From 8cb7c57d9b3c1e495c8792a4f6e5be7aaaf57891 Mon Sep 17 00:00:00 2001 From: Alvin Zhang Date: Wed, 15 Apr 2020 16:48:01 +0800 Subject: [PATCH] net/igc: support device initialization Update base codes, add readme. Add OS specific functions and definitions. Add device initialization codes. Signed-off-by: Alvin Zhang Reviewed-by: Ferruh Yigit --- drivers/net/igc/Makefile | 12 + drivers/net/igc/base/README | 29 + drivers/net/igc/base/igc_82571.h | 36 + drivers/net/igc/base/igc_82575.h | 351 +++ drivers/net/igc/base/igc_api.c | 1845 ++++++++++++ drivers/net/igc/base/igc_api.h | 111 + drivers/net/igc/base/igc_base.c | 190 ++ drivers/net/igc/base/igc_base.h | 127 + drivers/net/igc/base/igc_defines.h | 1649 +++++++++++ drivers/net/igc/base/igc_hw.h | 1051 +++++++ drivers/net/igc/base/igc_i225.c | 1378 +++++++++ drivers/net/igc/base/igc_i225.h | 110 + drivers/net/igc/base/igc_ich8lan.h | 296 ++ drivers/net/igc/base/igc_mac.c | 2100 +++++++++++++ drivers/net/igc/base/igc_mac.h | 64 + drivers/net/igc/base/igc_manage.c | 547 ++++ drivers/net/igc/base/igc_manage.h | 65 + drivers/net/igc/base/igc_nvm.c | 1324 +++++++++ drivers/net/igc/base/igc_nvm.h | 69 + drivers/net/igc/base/igc_osdep.c | 64 + drivers/net/igc/base/igc_osdep.h | 163 + drivers/net/igc/base/igc_phy.c | 4422 ++++++++++++++++++++++++++++ drivers/net/igc/base/igc_phy.h | 337 +++ drivers/net/igc/base/igc_regs.h | 724 +++++ drivers/net/igc/base/meson.build | 18 + drivers/net/igc/igc_ethdev.c | 265 +- drivers/net/igc/igc_ethdev.h | 19 + drivers/net/igc/meson.build | 5 + 28 files changed, 17361 insertions(+), 10 deletions(-) create mode 100644 drivers/net/igc/base/README create mode 100644 drivers/net/igc/base/igc_82571.h create mode 100644 drivers/net/igc/base/igc_82575.h create mode 100644 drivers/net/igc/base/igc_api.c create mode 100644 drivers/net/igc/base/igc_api.h create mode 100644 drivers/net/igc/base/igc_base.c create mode 100644 drivers/net/igc/base/igc_base.h create mode 100644 drivers/net/igc/base/igc_defines.h create mode 100644 drivers/net/igc/base/igc_hw.h create mode 100644 drivers/net/igc/base/igc_i225.c create mode 100644 drivers/net/igc/base/igc_i225.h create mode 100644 drivers/net/igc/base/igc_ich8lan.h create mode 100644 drivers/net/igc/base/igc_mac.c create mode 100644 drivers/net/igc/base/igc_mac.h create mode 100644 drivers/net/igc/base/igc_manage.c create mode 100644 drivers/net/igc/base/igc_manage.h create mode 100644 drivers/net/igc/base/igc_nvm.c create mode 100644 drivers/net/igc/base/igc_nvm.h create mode 100644 drivers/net/igc/base/igc_osdep.c create mode 100644 drivers/net/igc/base/igc_osdep.h create mode 100644 drivers/net/igc/base/igc_phy.c create mode 100644 drivers/net/igc/base/igc_phy.h create mode 100644 drivers/net/igc/base/igc_regs.h create mode 100644 drivers/net/igc/base/meson.build diff --git a/drivers/net/igc/Makefile b/drivers/net/igc/Makefile index ee1d8d8869..0902811e93 100644 --- a/drivers/net/igc/Makefile +++ b/drivers/net/igc/Makefile @@ -13,12 +13,24 @@ CFLAGS += $(WERROR_FLAGS) LDLIBS += -lrte_eal LDLIBS += -lrte_ethdev LDLIBS += -lrte_bus_pci +LDLIBS += -lrte_mbuf +LDLIBS += -lrte_mempool EXPORT_MAP := rte_pmd_igc_version.map +VPATH += $(SRCDIR)/base + # # all source are stored in SRCS-y # +SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_api.c +SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_base.c +SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_i225.c +SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_mac.c +SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_manage.c +SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_nvm.c +SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_osdep.c +SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_phy.c SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_logs.c SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_ethdev.c diff --git a/drivers/net/igc/base/README b/drivers/net/igc/base/README new file mode 100644 index 0000000000..0ff8307004 --- /dev/null +++ b/drivers/net/igc/base/README @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2020 Intel Corporation + */ + +Intel® IGC driver +================== + +This directory contains source code of FreeBSD igc driver of version +2019.10.18 released by the team which develops basic drivers for any +i225 NIC. +The directory of base/ contains the original source package. +This driver is valid for the product(s) listed below + +* Intel® Ethernet Network Adapters I225 + +Updating the driver +=================== + +NOTE: +- To avoid namespace issues with e1000 PMD, all prefix e1000_ or E1000_ +of the definition, macro and file names ware replaced with igc_ or IGC_. +- Since some codes are not required, they have been removed from the +base codes, such as the I350 and I210 series NICs related codes. +- Some registers are used by the base codes but not defined in the base +codes, so they ware added to them. +- OS and DPDK specified definitions and macros ware added in following +files: + igc_osdep.h + igc_osdep.c diff --git a/drivers/net/igc/base/igc_82571.h b/drivers/net/igc/base/igc_82571.h new file mode 100644 index 0000000000..6d1f8accdd --- /dev/null +++ b/drivers/net/igc/base/igc_82571.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_82571_H_ +#define _IGC_82571_H_ + +#define ID_LED_RESERVED_F746 0xF746 +#define ID_LED_DEFAULT_82573 ((ID_LED_DEF1_DEF2 << 12) | \ + (ID_LED_OFF1_ON2 << 8) | \ + (ID_LED_DEF1_DEF2 << 4) | \ + (ID_LED_DEF1_DEF2)) + +#define IGC_GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000 +#define AN_RETRY_COUNT 5 /* Autoneg Retry Count value */ + +/* Intr Throttling - RW */ +#define IGC_EITR_82574(_n) (0x000E8 + (0x4 * (_n))) + +#define IGC_EIAC_82574 0x000DC /* Ext. Interrupt Auto Clear - RW */ +#define IGC_EIAC_MASK_82574 0x01F00000 + +#define IGC_IVAR_INT_ALLOC_VALID 0x8 + +/* Manageability Operation Mode mask */ +#define IGC_NVM_INIT_CTRL2_MNGM 0x6000 + +#define IGC_BASE1000T_STATUS 10 +#define IGC_IDLE_ERROR_COUNT_MASK 0xFF +#define IGC_RECEIVE_ERROR_COUNTER 21 +#define IGC_RECEIVE_ERROR_MAX 0xFFFF +bool igc_check_phy_82574(struct igc_hw *hw); +bool igc_get_laa_state_82571(struct igc_hw *hw); +void igc_set_laa_state_82571(struct igc_hw *hw, bool state); + +#endif diff --git a/drivers/net/igc/base/igc_82575.h b/drivers/net/igc/base/igc_82575.h new file mode 100644 index 0000000000..9cd74cfa27 --- /dev/null +++ b/drivers/net/igc/base/igc_82575.h @@ -0,0 +1,351 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_82575_H_ +#define _IGC_82575_H_ + +#define ID_LED_DEFAULT_82575_SERDES ((ID_LED_DEF1_DEF2 << 12) | \ + (ID_LED_DEF1_DEF2 << 8) | \ + (ID_LED_DEF1_DEF2 << 4) | \ + (ID_LED_OFF1_ON2)) +/* + * Receive Address Register Count + * Number of high/low register pairs in the RAR. The RAR (Receive Address + * Registers) holds the directed and multicast addresses that we monitor. + * These entries are also used for MAC-based filtering. + */ +/* + * For 82576, there are an additional set of RARs that begin at an offset + * separate from the first set of RARs. + */ +#define IGC_RAR_ENTRIES_82575 16 +#define IGC_RAR_ENTRIES_82576 24 +#define IGC_RAR_ENTRIES_82580 24 +#define IGC_RAR_ENTRIES_I350 32 +#define IGC_SW_SYNCH_MB 0x00000100 +#define IGC_STAT_DEV_RST_SET 0x00100000 + +struct igc_adv_data_desc { + __le64 buffer_addr; /* Address of the descriptor's data buffer */ + union { + u32 data; + struct { + u32 datalen:16; /* Data buffer length */ + u32 rsvd:4; + u32 dtyp:4; /* Descriptor type */ + u32 dcmd:8; /* Descriptor command */ + } config; + } lower; + union { + u32 data; + struct { + u32 status:4; /* Descriptor status */ + u32 idx:4; + u32 popts:6; /* Packet Options */ + u32 paylen:18; /* Payload length */ + } options; + } upper; +}; + +#define IGC_TXD_DTYP_ADV_C 0x2 /* Advanced Context Descriptor */ +#define IGC_TXD_DTYP_ADV_D 0x3 /* Advanced Data Descriptor */ +#define IGC_ADV_TXD_CMD_DEXT 0x20 /* Descriptor extension (0 = legacy) */ +#define IGC_ADV_TUCMD_IPV4 0x2 /* IP Packet Type: 1=IPv4 */ +#define IGC_ADV_TUCMD_IPV6 0x0 /* IP Packet Type: 0=IPv6 */ +#define IGC_ADV_TUCMD_L4T_UDP 0x0 /* L4 Packet TYPE of UDP */ +#define IGC_ADV_TUCMD_L4T_TCP 0x4 /* L4 Packet TYPE of TCP */ +#define IGC_ADV_TUCMD_MKRREQ 0x10 /* Indicates markers are required */ +#define IGC_ADV_DCMD_EOP 0x1 /* End of Packet */ +#define IGC_ADV_DCMD_IFCS 0x2 /* Insert FCS (Ethernet CRC) */ +#define IGC_ADV_DCMD_RS 0x8 /* Report Status */ +#define IGC_ADV_DCMD_VLE 0x40 /* Add VLAN tag */ +#define IGC_ADV_DCMD_TSE 0x80 /* TCP Seg enable */ +/* Extended Device Control */ +#define IGC_CTRL_EXT_NSICR 0x00000001 /* Disable Intr Clear all on read */ + +struct igc_adv_context_desc { + union { + u32 ip_config; + struct { + u32 iplen:9; + u32 maclen:7; + u32 vlan_tag:16; + } fields; + } ip_setup; + u32 seq_num; + union { + u64 l4_config; + struct { + u32 mkrloc:9; + u32 tucmd:11; + u32 dtyp:4; + u32 adv:8; + u32 rsvd:4; + u32 idx:4; + u32 l4len:8; + u32 mss:16; + } fields; + } l4_setup; +}; + +/* SRRCTL bit definitions */ +#define IGC_SRRCTL_BSIZEHDRSIZE_MASK 0x00000F00 +#define IGC_SRRCTL_DESCTYPE_LEGACY 0x00000000 +#define IGC_SRRCTL_DESCTYPE_HDR_SPLIT 0x04000000 +#define IGC_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000 +#define IGC_SRRCTL_DESCTYPE_HDR_REPLICATION 0x06000000 +#define IGC_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000 +#define IGC_SRRCTL_DESCTYPE_MASK 0x0E000000 +#define IGC_SRRCTL_TIMESTAMP 0x40000000 +#define IGC_SRRCTL_DROP_EN 0x80000000 + +#define IGC_SRRCTL_BSIZEPKT_MASK 0x0000007F +#define IGC_SRRCTL_BSIZEHDR_MASK 0x00003F00 + +#define IGC_TX_HEAD_WB_ENABLE 0x1 +#define IGC_TX_SEQNUM_WB_ENABLE 0x2 + +#define IGC_MRQC_ENABLE_RSS_4Q 0x00000002 +#define IGC_MRQC_ENABLE_VMDQ 0x00000003 +#define IGC_MRQC_ENABLE_VMDQ_RSS_2Q 0x00000005 +#define IGC_MRQC_RSS_FIELD_IPV4_UDP 0x00400000 +#define IGC_MRQC_RSS_FIELD_IPV6_UDP 0x00800000 +#define IGC_MRQC_RSS_FIELD_IPV6_UDP_EX 0x01000000 +#define IGC_MRQC_ENABLE_RSS_8Q 0x00000002 + +#define IGC_VMRCTL_MIRROR_PORT_SHIFT 8 +#define IGC_VMRCTL_MIRROR_DSTPORT_MASK (7 << \ + IGC_VMRCTL_MIRROR_PORT_SHIFT) +#define IGC_VMRCTL_POOL_MIRROR_ENABLE (1 << 0) +#define IGC_VMRCTL_UPLINK_MIRROR_ENABLE (1 << 1) +#define IGC_VMRCTL_DOWNLINK_MIRROR_ENABLE (1 << 2) + +#define IGC_EICR_TX_QUEUE ( \ + IGC_EICR_TX_QUEUE0 | \ + IGC_EICR_TX_QUEUE1 | \ + IGC_EICR_TX_QUEUE2 | \ + IGC_EICR_TX_QUEUE3) + +#define IGC_EICR_RX_QUEUE ( \ + IGC_EICR_RX_QUEUE0 | \ + IGC_EICR_RX_QUEUE1 | \ + IGC_EICR_RX_QUEUE2 | \ + IGC_EICR_RX_QUEUE3) + +#define IGC_EIMS_RX_QUEUE IGC_EICR_RX_QUEUE +#define IGC_EIMS_TX_QUEUE IGC_EICR_TX_QUEUE + +#define EIMS_ENABLE_MASK ( \ + IGC_EIMS_RX_QUEUE | \ + IGC_EIMS_TX_QUEUE | \ + IGC_EIMS_TCP_TIMER | \ + IGC_EIMS_OTHER) + +/* Immediate Interrupt Rx (A.K.A. Low Latency Interrupt) */ +#define IGC_IMIR_PORT_IM_EN 0x00010000 /* TCP port enable */ +#define IGC_IMIR_PORT_BP 0x00020000 /* TCP port check bypass */ +#define IGC_IMIREXT_CTRL_URG 0x00002000 /* Check URG bit in header */ +#define IGC_IMIREXT_CTRL_ACK 0x00004000 /* Check ACK bit in header */ +#define IGC_IMIREXT_CTRL_PSH 0x00008000 /* Check PSH bit in header */ +#define IGC_IMIREXT_CTRL_RST 0x00010000 /* Check RST bit in header */ +#define IGC_IMIREXT_CTRL_SYN 0x00020000 /* Check SYN bit in header */ +#define IGC_IMIREXT_CTRL_FIN 0x00040000 /* Check FIN bit in header */ + +#define IGC_RXDADV_RSSTYPE_MASK 0x0000000F +#define IGC_RXDADV_RSSTYPE_SHIFT 12 +#define IGC_RXDADV_HDRBUFLEN_MASK 0x7FE0 +#define IGC_RXDADV_HDRBUFLEN_SHIFT 5 +#define IGC_RXDADV_SPLITHEADER_EN 0x00001000 +#define IGC_RXDADV_SPH 0x8000 +#define IGC_RXDADV_STAT_TS 0x10000 /* Pkt was time stamped */ +#define IGC_RXDADV_ERR_HBO 0x00800000 + +/* RSS Hash results */ +#define IGC_RXDADV_RSSTYPE_NONE 0x00000000 +#define IGC_RXDADV_RSSTYPE_IPV4_TCP 0x00000001 +#define IGC_RXDADV_RSSTYPE_IPV4 0x00000002 +#define IGC_RXDADV_RSSTYPE_IPV6_TCP 0x00000003 +#define IGC_RXDADV_RSSTYPE_IPV6_EX 0x00000004 +#define IGC_RXDADV_RSSTYPE_IPV6 0x00000005 +#define IGC_RXDADV_RSSTYPE_IPV6_TCP_EX 0x00000006 +#define IGC_RXDADV_RSSTYPE_IPV4_UDP 0x00000007 +#define IGC_RXDADV_RSSTYPE_IPV6_UDP 0x00000008 +#define IGC_RXDADV_RSSTYPE_IPV6_UDP_EX 0x00000009 + +/* RSS Packet Types as indicated in the receive descriptor */ +#define IGC_RXDADV_PKTTYPE_ILMASK 0x000000F0 +#define IGC_RXDADV_PKTTYPE_TLMASK 0x00000F00 +#define IGC_RXDADV_PKTTYPE_NONE 0x00000000 +#define IGC_RXDADV_PKTTYPE_IPV4 0x00000010 /* IPV4 hdr present */ +#define IGC_RXDADV_PKTTYPE_IPV4_EX 0x00000020 /* IPV4 hdr + extensions */ +#define IGC_RXDADV_PKTTYPE_IPV6 0x00000040 /* IPV6 hdr present */ +#define IGC_RXDADV_PKTTYPE_IPV6_EX 0x00000080 /* IPV6 hdr + extensions */ +#define IGC_RXDADV_PKTTYPE_TCP 0x00000100 /* TCP hdr present */ +#define IGC_RXDADV_PKTTYPE_UDP 0x00000200 /* UDP hdr present */ +#define IGC_RXDADV_PKTTYPE_SCTP 0x00000400 /* SCTP hdr present */ +#define IGC_RXDADV_PKTTYPE_NFS 0x00000800 /* NFS hdr present */ + +#define IGC_RXDADV_PKTTYPE_IPSEC_ESP 0x00001000 /* IPSec ESP */ +#define IGC_RXDADV_PKTTYPE_IPSEC_AH 0x00002000 /* IPSec AH */ +#define IGC_RXDADV_PKTTYPE_LINKSEC 0x00004000 /* LinkSec Encap */ +#define IGC_RXDADV_PKTTYPE_ETQF 0x00008000 /* PKTTYPE is ETQF index */ +#define IGC_RXDADV_PKTTYPE_ETQF_MASK 0x00000070 /* ETQF has 8 indices */ +#define IGC_RXDADV_PKTTYPE_ETQF_SHIFT 4 /* Right-shift 4 bits */ + +/* LinkSec results */ +/* Security Processing bit Indication */ +#define IGC_RXDADV_LNKSEC_STATUS_SECP 0x00020000 +#define IGC_RXDADV_LNKSEC_ERROR_BIT_MASK 0x18000000 +#define IGC_RXDADV_LNKSEC_ERROR_NO_SA_MATCH 0x08000000 +#define IGC_RXDADV_LNKSEC_ERROR_REPLAY_ERROR 0x10000000 +#define IGC_RXDADV_LNKSEC_ERROR_BAD_SIG 0x18000000 + +#define IGC_RXDADV_IPSEC_STATUS_SECP 0x00020000 +#define IGC_RXDADV_IPSEC_ERROR_BIT_MASK 0x18000000 +#define IGC_RXDADV_IPSEC_ERROR_INVALID_PROTOCOL 0x08000000 +#define IGC_RXDADV_IPSEC_ERROR_INVALID_LENGTH 0x10000000 +#define IGC_RXDADV_IPSEC_ERROR_AUTHENTICATION_FAILED 0x18000000 + +#define IGC_TXDCTL_SWFLSH 0x04000000 /* Tx Desc. wbk flushing */ +/* Tx Queue Arbitration Priority 0=low, 1=high */ +#define IGC_TXDCTL_PRIORITY 0x08000000 + +#define IGC_RXDCTL_SWFLSH 0x04000000 /* Rx Desc. wbk flushing */ + +/* Direct Cache Access (DCA) definitions */ +#define IGC_DCA_CTRL_DCA_ENABLE 0x00000000 /* DCA Enable */ +#define IGC_DCA_CTRL_DCA_DISABLE 0x00000001 /* DCA Disable */ + +#define IGC_DCA_CTRL_DCA_MODE_CB1 0x00 /* DCA Mode CB1 */ +#define IGC_DCA_CTRL_DCA_MODE_CB2 0x02 /* DCA Mode CB2 */ + +#define IGC_DCA_RXCTRL_CPUID_MASK 0x0000001F /* Rx CPUID Mask */ +#define IGC_DCA_RXCTRL_DESC_DCA_EN (1 << 5) /* DCA Rx Desc enable */ +#define IGC_DCA_RXCTRL_HEAD_DCA_EN (1 << 6) /* DCA Rx Desc header ena */ +#define IGC_DCA_RXCTRL_DATA_DCA_EN (1 << 7) /* DCA Rx Desc payload ena */ +#define IGC_DCA_RXCTRL_DESC_RRO_EN (1 << 9) /* DCA Rx Desc Relax Order */ + +#define IGC_DCA_TXCTRL_CPUID_MASK 0x0000001F /* Tx CPUID Mask */ +#define IGC_DCA_TXCTRL_DESC_DCA_EN (1 << 5) /* DCA Tx Desc enable */ +#define IGC_DCA_TXCTRL_DESC_RRO_EN (1 << 9) /* Tx rd Desc Relax Order */ +#define IGC_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */ +#define IGC_DCA_TXCTRL_DATA_RRO_EN (1 << 13) /* Tx rd data Relax Order */ + +#define IGC_DCA_TXCTRL_CPUID_MASK_82576 0xFF000000 /* Tx CPUID Mask */ +#define IGC_DCA_RXCTRL_CPUID_MASK_82576 0xFF000000 /* Rx CPUID Mask */ +#define IGC_DCA_TXCTRL_CPUID_SHIFT_82576 24 /* Tx CPUID */ +#define IGC_DCA_RXCTRL_CPUID_SHIFT_82576 24 /* Rx CPUID */ + +/* Additional interrupt register bit definitions */ +#define IGC_ICR_LSECPNS 0x00000020 /* PN threshold - server */ +#define IGC_IMS_LSECPNS IGC_ICR_LSECPNS /* PN threshold - server */ +#define IGC_ICS_LSECPNS IGC_ICR_LSECPNS /* PN threshold - server */ + +/* ETQF register bit definitions */ +#define IGC_ETQF_FILTER_ENABLE (1 << 26) +#define IGC_ETQF_IMM_INT (1 << 29) +#define IGC_ETQF_QUEUE_ENABLE (1 << 31) +/* + * ETQF filter list: one static filter per filter consumer. This is + * to avoid filter collisions later. Add new filters + * here!! + * + * Current filters: + * EAPOL 802.1x (0x888e): Filter 0 + */ +#define IGC_ETQF_FILTER_EAPOL 0 + +#define IGC_FTQF_MASK_SOURCE_ADDR_BP 0x20000000 +#define IGC_FTQF_MASK_DEST_ADDR_BP 0x40000000 +#define IGC_FTQF_MASK_SOURCE_PORT_BP 0x80000000 + +#define IGC_NVM_APME_82575 0x0400 +#define MAX_NUM_VFS 7 + +#define IGC_DTXSWC_MAC_SPOOF_MASK 0x000000FF /* Per VF MAC spoof cntrl */ +#define IGC_DTXSWC_VLAN_SPOOF_MASK 0x0000FF00 /* Per VF VLAN spoof cntrl */ +#define IGC_DTXSWC_LLE_MASK 0x00FF0000 /* Per VF Local LB enables */ +#define IGC_DTXSWC_VLAN_SPOOF_SHIFT 8 +#define IGC_DTXSWC_LLE_SHIFT 16 +#define IGC_DTXSWC_VMDQ_LOOPBACK_EN (1 << 31) /* global VF LB enable */ + +/* Easy defines for setting default pool, would normally be left a zero */ +#define IGC_VT_CTL_DEFAULT_POOL_SHIFT 7 +#define IGC_VT_CTL_DEFAULT_POOL_MASK (0x7 << IGC_VT_CTL_DEFAULT_POOL_SHIFT) + +/* Other useful VMD_CTL register defines */ +#define IGC_VT_CTL_IGNORE_MAC (1 << 28) +#define IGC_VT_CTL_DISABLE_DEF_POOL (1 << 29) +#define IGC_VT_CTL_VM_REPL_EN (1 << 30) + +/* Per VM Offload register setup */ +#define IGC_VMOLR_RLPML_MASK 0x00003FFF /* Long Packet Maximum Length mask */ +#define IGC_VMOLR_LPE 0x00010000 /* Accept Long packet */ +#define IGC_VMOLR_RSSE 0x00020000 /* Enable RSS */ +#define IGC_VMOLR_AUPE 0x01000000 /* Accept untagged packets */ +#define IGC_VMOLR_ROMPE 0x02000000 /* Accept overflow multicast */ +#define IGC_VMOLR_ROPE 0x04000000 /* Accept overflow unicast */ +#define IGC_VMOLR_BAM 0x08000000 /* Accept Broadcast packets */ +#define IGC_VMOLR_MPME 0x10000000 /* Multicast promiscuous mode */ +#define IGC_VMOLR_STRVLAN 0x40000000 /* Vlan stripping enable */ +#define IGC_VMOLR_STRCRC 0x80000000 /* CRC stripping enable */ + +#define IGC_VMOLR_VPE 0x00800000 /* VLAN promiscuous enable */ +#define IGC_VMOLR_UPE 0x20000000 /* Unicast promisuous enable */ +#define IGC_DVMOLR_HIDVLAN 0x20000000 /* Vlan hiding enable */ +#define IGC_DVMOLR_STRVLAN 0x40000000 /* Vlan stripping enable */ +#define IGC_DVMOLR_STRCRC 0x80000000 /* CRC stripping enable */ + +#define IGC_PBRWAC_WALPB 0x00000007 /* Wrap around event on LAN Rx PB */ +#define IGC_PBRWAC_PBE 0x00000008 /* Rx packet buffer empty */ + +#define IGC_VLVF_ARRAY_SIZE 32 +#define IGC_VLVF_VLANID_MASK 0x00000FFF +#define IGC_VLVF_POOLSEL_SHIFT 12 +#define IGC_VLVF_POOLSEL_MASK (0xFF << IGC_VLVF_POOLSEL_SHIFT) +#define IGC_VLVF_LVLAN 0x00100000 +#define IGC_VLVF_VLANID_ENABLE 0x80000000 + +#define IGC_VMVIR_VLANA_DEFAULT 0x40000000 /* Always use default VLAN */ +#define IGC_VMVIR_VLANA_NEVER 0x80000000 /* Never insert VLAN tag */ + +#define IGC_VF_INIT_TIMEOUT 200 /* Number of retries to clear RSTI */ + +#define IGC_IOVCTL 0x05BBC +#define IGC_IOVCTL_REUSE_VFQ 0x00000001 + +#define IGC_RPLOLR_STRVLAN 0x40000000 +#define IGC_RPLOLR_STRCRC 0x80000000 + +#define IGC_TCTL_EXT_COLD 0x000FFC00 +#define IGC_TCTL_EXT_COLD_SHIFT 10 + +#define IGC_DTXCTL_8023LL 0x0004 +#define IGC_DTXCTL_VLAN_ADDED 0x0008 +#define IGC_DTXCTL_OOS_ENABLE 0x0010 +#define IGC_DTXCTL_MDP_EN 0x0020 +#define IGC_DTXCTL_SPOOF_INT 0x0040 + +#define IGC_EEPROM_PCS_AUTONEG_DISABLE_BIT (1 << 14) + +#define ALL_QUEUES 0xFFFF + +s32 igc_reset_init_script_82575(struct igc_hw *hw); +s32 igc_init_nvm_params_82575(struct igc_hw *hw); + +/* Rx packet buffer size defines */ +#define IGC_RXPBS_SIZE_MASK_82576 0x0000007F +void igc_vmdq_set_loopback_pf(struct igc_hw *hw, bool enable); +void igc_vmdq_set_anti_spoofing_pf(struct igc_hw *hw, bool enable, int pf); +void igc_vmdq_set_replication_pf(struct igc_hw *hw, bool enable); + +enum igc_promisc_type { + igc_promisc_disabled = 0, /* all promisc modes disabled */ + igc_promisc_unicast = 1, /* unicast promiscuous enabled */ + igc_promisc_multicast = 2, /* multicast promiscuous enabled */ + igc_promisc_enabled = 3, /* both uni and multicast promisc */ + igc_num_promisc_types +}; + +#endif /* _IGC_82575_H_ */ diff --git a/drivers/net/igc/base/igc_api.c b/drivers/net/igc/base/igc_api.c new file mode 100644 index 0000000000..f5fde356cd --- /dev/null +++ b/drivers/net/igc/base/igc_api.c @@ -0,0 +1,1845 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#include "igc_api.h" + +/** + * igc_get_i2c_data - Reads the I2C SDA data bit + * @i2cctl: Current value of I2CCTL register + * + * Returns the I2C data bit value + **/ +static bool igc_get_i2c_data(u32 *i2cctl) +{ + bool data; + + DEBUGFUNC("igc_get_i2c_data"); + + if (*i2cctl & IGC_I2C_DATA_IN) + data = 1; + else + data = 0; + + return data; +} + +/** + * igc_set_i2c_data - Sets the I2C data bit + * @hw: pointer to hardware structure + * @i2cctl: Current value of I2CCTL register + * @data: I2C data value (0 or 1) to set + * + * Sets the I2C data bit + **/ +static s32 igc_set_i2c_data(struct igc_hw *hw, u32 *i2cctl, bool data) +{ + s32 status = IGC_SUCCESS; + + DEBUGFUNC("igc_set_i2c_data"); + + if (data) + *i2cctl |= IGC_I2C_DATA_OUT; + else + *i2cctl &= ~IGC_I2C_DATA_OUT; + + *i2cctl &= ~IGC_I2C_DATA_OE_N; + *i2cctl |= IGC_I2C_CLK_OE_N; + IGC_WRITE_REG(hw, IGC_I2CPARAMS, *i2cctl); + IGC_WRITE_FLUSH(hw); + + /* Data rise/fall (1000ns/300ns) and set-up time (250ns) */ + usec_delay(IGC_I2C_T_RISE + IGC_I2C_T_FALL + IGC_I2C_T_SU_DATA); + + *i2cctl = IGC_READ_REG(hw, IGC_I2CPARAMS); + if (data != igc_get_i2c_data(i2cctl)) { + status = IGC_ERR_I2C; + DEBUGOUT1("Error - I2C data was not set to %X.\n", data); + } + + return status; +} + +/** + * igc_raise_i2c_clk - Raises the I2C SCL clock + * @hw: pointer to hardware structure + * @i2cctl: Current value of I2CCTL register + * + * Raises the I2C clock line '0'->'1' + **/ +static void igc_raise_i2c_clk(struct igc_hw *hw, u32 *i2cctl) +{ + DEBUGFUNC("igc_raise_i2c_clk"); + + *i2cctl |= IGC_I2C_CLK_OUT; + *i2cctl &= ~IGC_I2C_CLK_OE_N; + IGC_WRITE_REG(hw, IGC_I2CPARAMS, *i2cctl); + IGC_WRITE_FLUSH(hw); + + /* SCL rise time (1000ns) */ + usec_delay(IGC_I2C_T_RISE); +} + +/** + * igc_lower_i2c_clk - Lowers the I2C SCL clock + * @hw: pointer to hardware structure + * @i2cctl: Current value of I2CCTL register + * + * Lowers the I2C clock line '1'->'0' + **/ +static void igc_lower_i2c_clk(struct igc_hw *hw, u32 *i2cctl) +{ + DEBUGFUNC("igc_lower_i2c_clk"); + + *i2cctl &= ~IGC_I2C_CLK_OUT; + *i2cctl &= ~IGC_I2C_CLK_OE_N; + IGC_WRITE_REG(hw, IGC_I2CPARAMS, *i2cctl); + IGC_WRITE_FLUSH(hw); + + /* SCL fall time (300ns) */ + usec_delay(IGC_I2C_T_FALL); +} + +/** + * igc_i2c_start - Sets I2C start condition + * @hw: pointer to hardware structure + * + * Sets I2C start condition (High -> Low on SDA while SCL is High) + **/ +static void igc_i2c_start(struct igc_hw *hw) +{ + u32 i2cctl = IGC_READ_REG(hw, IGC_I2CPARAMS); + + DEBUGFUNC("igc_i2c_start"); + + /* Start condition must begin with data and clock high */ + igc_set_i2c_data(hw, &i2cctl, 1); + igc_raise_i2c_clk(hw, &i2cctl); + + /* Setup time for start condition (4.7us) */ + usec_delay(IGC_I2C_T_SU_STA); + + igc_set_i2c_data(hw, &i2cctl, 0); + + /* Hold time for start condition (4us) */ + usec_delay(IGC_I2C_T_HD_STA); + + igc_lower_i2c_clk(hw, &i2cctl); + + /* Minimum low period of clock is 4.7 us */ + usec_delay(IGC_I2C_T_LOW); +} + +/** + * igc_i2c_stop - Sets I2C stop condition + * @hw: pointer to hardware structure + * + * Sets I2C stop condition (Low -> High on SDA while SCL is High) + **/ +static void igc_i2c_stop(struct igc_hw *hw) +{ + u32 i2cctl = IGC_READ_REG(hw, IGC_I2CPARAMS); + + DEBUGFUNC("igc_i2c_stop"); + + /* Stop condition must begin with data low and clock high */ + igc_set_i2c_data(hw, &i2cctl, 0); + igc_raise_i2c_clk(hw, &i2cctl); + + /* Setup time for stop condition (4us) */ + usec_delay(IGC_I2C_T_SU_STO); + + igc_set_i2c_data(hw, &i2cctl, 1); + + /* bus free time between stop and start (4.7us)*/ + usec_delay(IGC_I2C_T_BUF); +} + +/** + * igc_clock_in_i2c_bit - Clocks in one bit via I2C data/clock + * @hw: pointer to hardware structure + * @data: read data value + * + * Clocks in one bit via I2C data/clock + **/ +static void igc_clock_in_i2c_bit(struct igc_hw *hw, bool *data) +{ + u32 i2cctl = IGC_READ_REG(hw, IGC_I2CPARAMS); + + DEBUGFUNC("igc_clock_in_i2c_bit"); + + igc_raise_i2c_clk(hw, &i2cctl); + + /* Minimum high period of clock is 4us */ + usec_delay(IGC_I2C_T_HIGH); + + i2cctl = IGC_READ_REG(hw, IGC_I2CPARAMS); + *data = igc_get_i2c_data(&i2cctl); + + igc_lower_i2c_clk(hw, &i2cctl); + + /* Minimum low period of clock is 4.7 us */ + usec_delay(IGC_I2C_T_LOW); +} + +/** + * igc_clock_in_i2c_byte - Clocks in one byte via I2C + * @hw: pointer to hardware structure + * @data: data byte to clock in + * + * Clocks in one byte data via I2C data/clock + **/ +static void igc_clock_in_i2c_byte(struct igc_hw *hw, u8 *data) +{ + s32 i; + bool bit = 0; + + DEBUGFUNC("igc_clock_in_i2c_byte"); + + *data = 0; + for (i = 7; i >= 0; i--) { + igc_clock_in_i2c_bit(hw, &bit); + *data |= bit << i; + } +} + +/** + * igc_clock_out_i2c_bit - Clocks in/out one bit via I2C data/clock + * @hw: pointer to hardware structure + * @data: data value to write + * + * Clocks out one bit via I2C data/clock + **/ +static s32 igc_clock_out_i2c_bit(struct igc_hw *hw, bool data) +{ + s32 status; + u32 i2cctl = IGC_READ_REG(hw, IGC_I2CPARAMS); + + DEBUGFUNC("igc_clock_out_i2c_bit"); + + status = igc_set_i2c_data(hw, &i2cctl, data); + if (status == IGC_SUCCESS) { + igc_raise_i2c_clk(hw, &i2cctl); + + /* Minimum high period of clock is 4us */ + usec_delay(IGC_I2C_T_HIGH); + + igc_lower_i2c_clk(hw, &i2cctl); + + /* Minimum low period of clock is 4.7 us. + * This also takes care of the data hold time. + */ + usec_delay(IGC_I2C_T_LOW); + } else { + status = IGC_ERR_I2C; + DEBUGOUT1("I2C data was not set to %X\n", data); + } + + return status; +} + +/** + * igc_clock_out_i2c_byte - Clocks out one byte via I2C + * @hw: pointer to hardware structure + * @data: data byte clocked out + * + * Clocks out one byte data via I2C data/clock + **/ +static s32 igc_clock_out_i2c_byte(struct igc_hw *hw, u8 data) +{ + s32 status = IGC_SUCCESS; + s32 i; + u32 i2cctl; + bool bit = 0; + + DEBUGFUNC("igc_clock_out_i2c_byte"); + + for (i = 7; i >= 0; i--) { + bit = (data >> i) & 0x1; + status = igc_clock_out_i2c_bit(hw, bit); + + if (status != IGC_SUCCESS) + break; + } + + /* Release SDA line (set high) */ + i2cctl = IGC_READ_REG(hw, IGC_I2CPARAMS); + + i2cctl |= IGC_I2C_DATA_OE_N; + IGC_WRITE_REG(hw, IGC_I2CPARAMS, i2cctl); + IGC_WRITE_FLUSH(hw); + + return status; +} + +/** + * igc_get_i2c_ack - Polls for I2C ACK + * @hw: pointer to hardware structure + * + * Clocks in/out one bit via I2C data/clock + **/ +static s32 igc_get_i2c_ack(struct igc_hw *hw) +{ + s32 status = IGC_SUCCESS; + u32 i = 0; + u32 i2cctl = IGC_READ_REG(hw, IGC_I2CPARAMS); + u32 timeout = 10; + bool ack = true; + + DEBUGFUNC("igc_get_i2c_ack"); + + igc_raise_i2c_clk(hw, &i2cctl); + + /* Minimum high period of clock is 4us */ + usec_delay(IGC_I2C_T_HIGH); + + /* Wait until SCL returns high */ + for (i = 0; i < timeout; i++) { + usec_delay(1); + i2cctl = IGC_READ_REG(hw, IGC_I2CPARAMS); + if (i2cctl & IGC_I2C_CLK_IN) + break; + } + if (!(i2cctl & IGC_I2C_CLK_IN)) + return IGC_ERR_I2C; + + ack = igc_get_i2c_data(&i2cctl); + if (ack) { + DEBUGOUT("I2C ack was not received.\n"); + status = IGC_ERR_I2C; + } + + igc_lower_i2c_clk(hw, &i2cctl); + + /* Minimum low period of clock is 4.7 us */ + usec_delay(IGC_I2C_T_LOW); + + return status; +} + +/** + * igc_set_i2c_bb - Enable I2C bit-bang + * @hw: pointer to the HW structure + * + * Enable I2C bit-bang interface + * + **/ +s32 igc_set_i2c_bb(struct igc_hw *hw) +{ + s32 ret_val = IGC_SUCCESS; + u32 ctrl_ext, i2cparams; + + DEBUGFUNC("igc_set_i2c_bb"); + + ctrl_ext = IGC_READ_REG(hw, IGC_CTRL_EXT); + ctrl_ext |= IGC_CTRL_I2C_ENA; + IGC_WRITE_REG(hw, IGC_CTRL_EXT, ctrl_ext); + IGC_WRITE_FLUSH(hw); + + i2cparams = IGC_READ_REG(hw, IGC_I2CPARAMS); + i2cparams |= IGC_I2CBB_EN; + i2cparams |= IGC_I2C_DATA_OE_N; + i2cparams |= IGC_I2C_CLK_OE_N; + IGC_WRITE_REG(hw, IGC_I2CPARAMS, i2cparams); + IGC_WRITE_FLUSH(hw); + + return ret_val; +} + +/** + * igc_read_i2c_byte_generic - Reads 8 bit word over I2C + * @hw: pointer to hardware structure + * @byte_offset: byte offset to read + * @dev_addr: device address + * @data: value read + * + * Performs byte read operation over I2C interface at + * a specified device address. + **/ +s32 igc_read_i2c_byte_generic(struct igc_hw *hw, u8 byte_offset, + u8 dev_addr, u8 *data) +{ + s32 status = IGC_SUCCESS; + u32 max_retry = 10; + u32 retry = 1; + u16 swfw_mask = 0; + + bool nack = true; + + DEBUGFUNC("igc_read_i2c_byte_generic"); + + swfw_mask = IGC_SWFW_PHY0_SM; + + do { + if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask) + != IGC_SUCCESS) { + status = IGC_ERR_SWFW_SYNC; + goto read_byte_out; + } + + igc_i2c_start(hw); + + /* Device Address and write indication */ + status = igc_clock_out_i2c_byte(hw, dev_addr); + if (status != IGC_SUCCESS) + goto fail; + + status = igc_get_i2c_ack(hw); + if (status != IGC_SUCCESS) + goto fail; + + status = igc_clock_out_i2c_byte(hw, byte_offset); + if (status != IGC_SUCCESS) + goto fail; + + status = igc_get_i2c_ack(hw); + if (status != IGC_SUCCESS) + goto fail; + + igc_i2c_start(hw); + + /* Device Address and read indication */ + status = igc_clock_out_i2c_byte(hw, (dev_addr | 0x1)); + if (status != IGC_SUCCESS) + goto fail; + + status = igc_get_i2c_ack(hw); + if (status != IGC_SUCCESS) + goto fail; + + igc_clock_in_i2c_byte(hw, data); + + status = igc_clock_out_i2c_bit(hw, nack); + if (status != IGC_SUCCESS) + goto fail; + + igc_i2c_stop(hw); + break; + +fail: + hw->mac.ops.release_swfw_sync(hw, swfw_mask); + msec_delay(100); + igc_i2c_bus_clear(hw); + retry++; + if (retry < max_retry) + DEBUGOUT("I2C byte read error - Retrying.\n"); + else + DEBUGOUT("I2C byte read error.\n"); + + } while (retry < max_retry); + + hw->mac.ops.release_swfw_sync(hw, swfw_mask); + +read_byte_out: + + return status; +} + +/** + * igc_write_i2c_byte_generic - Writes 8 bit word over I2C + * @hw: pointer to hardware structure + * @byte_offset: byte offset to write + * @dev_addr: device address + * @data: value to write + * + * Performs byte write operation over I2C interface at + * a specified device address. + **/ +s32 igc_write_i2c_byte_generic(struct igc_hw *hw, u8 byte_offset, + u8 dev_addr, u8 data) +{ + s32 status = IGC_SUCCESS; + u32 max_retry = 1; + u32 retry = 0; + u16 swfw_mask = 0; + + DEBUGFUNC("igc_write_i2c_byte_generic"); + + swfw_mask = IGC_SWFW_PHY0_SM; + + if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask) != IGC_SUCCESS) { + status = IGC_ERR_SWFW_SYNC; + goto write_byte_out; + } + + do { + igc_i2c_start(hw); + + status = igc_clock_out_i2c_byte(hw, dev_addr); + if (status != IGC_SUCCESS) + goto fail; + + status = igc_get_i2c_ack(hw); + if (status != IGC_SUCCESS) + goto fail; + + status = igc_clock_out_i2c_byte(hw, byte_offset); + if (status != IGC_SUCCESS) + goto fail; + + status = igc_get_i2c_ack(hw); + if (status != IGC_SUCCESS) + goto fail; + + status = igc_clock_out_i2c_byte(hw, data); + if (status != IGC_SUCCESS) + goto fail; + + status = igc_get_i2c_ack(hw); + if (status != IGC_SUCCESS) + goto fail; + + igc_i2c_stop(hw); + break; + +fail: + igc_i2c_bus_clear(hw); + retry++; + if (retry < max_retry) + DEBUGOUT("I2C byte write error - Retrying.\n"); + else + DEBUGOUT("I2C byte write error.\n"); + } while (retry < max_retry); + + hw->mac.ops.release_swfw_sync(hw, swfw_mask); + +write_byte_out: + + return status; +} + +/** + * igc_i2c_bus_clear - Clears the I2C bus + * @hw: pointer to hardware structure + * + * Clears the I2C bus by sending nine clock pulses. + * Used when data line is stuck low. + **/ +void igc_i2c_bus_clear(struct igc_hw *hw) +{ + u32 i2cctl = IGC_READ_REG(hw, IGC_I2CPARAMS); + u32 i; + + DEBUGFUNC("igc_i2c_bus_clear"); + + igc_i2c_start(hw); + + igc_set_i2c_data(hw, &i2cctl, 1); + + for (i = 0; i < 9; i++) { + igc_raise_i2c_clk(hw, &i2cctl); + + /* Min high period of clock is 4us */ + usec_delay(IGC_I2C_T_HIGH); + + igc_lower_i2c_clk(hw, &i2cctl); + + /* Min low period of clock is 4.7us*/ + usec_delay(IGC_I2C_T_LOW); + } + + igc_i2c_start(hw); + + /* Put the i2c bus back to default state */ + igc_i2c_stop(hw); +} + +/** + * igc_init_mac_params - Initialize MAC function pointers + * @hw: pointer to the HW structure + * + * This function initializes the function pointers for the MAC + * set of functions. Called by drivers or by igc_setup_init_funcs. + **/ +s32 igc_init_mac_params(struct igc_hw *hw) +{ + s32 ret_val = IGC_SUCCESS; + + if (hw->mac.ops.init_params) { + ret_val = hw->mac.ops.init_params(hw); + if (ret_val) { + DEBUGOUT("MAC Initialization Error\n"); + goto out; + } + } else { + DEBUGOUT("mac.init_mac_params was NULL\n"); + ret_val = -IGC_ERR_CONFIG; + } + +out: + return ret_val; +} + +/** + * igc_init_nvm_params - Initialize NVM function pointers + * @hw: pointer to the HW structure + * + * This function initializes the function pointers for the NVM + * set of functions. Called by drivers or by igc_setup_init_funcs. + **/ +s32 igc_init_nvm_params(struct igc_hw *hw) +{ + s32 ret_val = IGC_SUCCESS; + + if (hw->nvm.ops.init_params) { + ret_val = hw->nvm.ops.init_params(hw); + if (ret_val) { + DEBUGOUT("NVM Initialization Error\n"); + goto out; + } + } else { + DEBUGOUT("nvm.init_nvm_params was NULL\n"); + ret_val = -IGC_ERR_CONFIG; + } + +out: + return ret_val; +} + +/** + * igc_init_phy_params - Initialize PHY function pointers + * @hw: pointer to the HW structure + * + * This function initializes the function pointers for the PHY + * set of functions. Called by drivers or by igc_setup_init_funcs. + **/ +s32 igc_init_phy_params(struct igc_hw *hw) +{ + s32 ret_val = IGC_SUCCESS; + + if (hw->phy.ops.init_params) { + ret_val = hw->phy.ops.init_params(hw); + if (ret_val) { + DEBUGOUT("PHY Initialization Error\n"); + goto out; + } + } else { + DEBUGOUT("phy.init_phy_params was NULL\n"); + ret_val = -IGC_ERR_CONFIG; + } + +out: + return ret_val; +} + +/** + * igc_init_mbx_params - Initialize mailbox function pointers + * @hw: pointer to the HW structure + * + * This function initializes the function pointers for the PHY + * set of functions. Called by drivers or by igc_setup_init_funcs. + **/ +s32 igc_init_mbx_params(struct igc_hw *hw) +{ + s32 ret_val = IGC_SUCCESS; + + if (hw->mbx.ops.init_params) { + ret_val = hw->mbx.ops.init_params(hw); + if (ret_val) { + DEBUGOUT("Mailbox Initialization Error\n"); + goto out; + } + } else { + DEBUGOUT("mbx.init_mbx_params was NULL\n"); + ret_val = -IGC_ERR_CONFIG; + } + +out: + return ret_val; +} + +/** + * igc_set_mac_type - Sets MAC type + * @hw: pointer to the HW structure + * + * This function sets the mac type of the adapter based on the + * device ID stored in the hw structure. + * MUST BE FIRST FUNCTION CALLED (explicitly or through + * igc_setup_init_funcs()). + **/ +s32 igc_set_mac_type(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + s32 ret_val = IGC_SUCCESS; + + DEBUGFUNC("igc_set_mac_type"); + + switch (hw->device_id) { + case IGC_DEV_ID_82542: + mac->type = igc_82542; + break; + case IGC_DEV_ID_82543GC_FIBER: + case IGC_DEV_ID_82543GC_COPPER: + mac->type = igc_82543; + break; + case IGC_DEV_ID_82544EI_COPPER: + case IGC_DEV_ID_82544EI_FIBER: + case IGC_DEV_ID_82544GC_COPPER: + case IGC_DEV_ID_82544GC_LOM: + mac->type = igc_82544; + break; + case IGC_DEV_ID_82540EM: + case IGC_DEV_ID_82540EM_LOM: + case IGC_DEV_ID_82540EP: + case IGC_DEV_ID_82540EP_LOM: + case IGC_DEV_ID_82540EP_LP: + mac->type = igc_82540; + break; + case IGC_DEV_ID_82545EM_COPPER: + case IGC_DEV_ID_82545EM_FIBER: + mac->type = igc_82545; + break; + case IGC_DEV_ID_82545GM_COPPER: + case IGC_DEV_ID_82545GM_FIBER: + case IGC_DEV_ID_82545GM_SERDES: + mac->type = igc_82545_rev_3; + break; + case IGC_DEV_ID_82546EB_COPPER: + case IGC_DEV_ID_82546EB_FIBER: + case IGC_DEV_ID_82546EB_QUAD_COPPER: + mac->type = igc_82546; + break; + case IGC_DEV_ID_82546GB_COPPER: + case IGC_DEV_ID_82546GB_FIBER: + case IGC_DEV_ID_82546GB_SERDES: + case IGC_DEV_ID_82546GB_PCIE: + case IGC_DEV_ID_82546GB_QUAD_COPPER: + case IGC_DEV_ID_82546GB_QUAD_COPPER_KSP3: + mac->type = igc_82546_rev_3; + break; + case IGC_DEV_ID_82541EI: + case IGC_DEV_ID_82541EI_MOBILE: + case IGC_DEV_ID_82541ER_LOM: + mac->type = igc_82541; + break; + case IGC_DEV_ID_82541ER: + case IGC_DEV_ID_82541GI: + case IGC_DEV_ID_82541GI_LF: + case IGC_DEV_ID_82541GI_MOBILE: + mac->type = igc_82541_rev_2; + break; + case IGC_DEV_ID_82547EI: + case IGC_DEV_ID_82547EI_MOBILE: + mac->type = igc_82547; + break; + case IGC_DEV_ID_82547GI: + mac->type = igc_82547_rev_2; + break; + case IGC_DEV_ID_82571EB_COPPER: + case IGC_DEV_ID_82571EB_FIBER: + case IGC_DEV_ID_82571EB_SERDES: + case IGC_DEV_ID_82571EB_SERDES_DUAL: + case IGC_DEV_ID_82571EB_SERDES_QUAD: + case IGC_DEV_ID_82571EB_QUAD_COPPER: + case IGC_DEV_ID_82571PT_QUAD_COPPER: + case IGC_DEV_ID_82571EB_QUAD_FIBER: + case IGC_DEV_ID_82571EB_QUAD_COPPER_LP: + mac->type = igc_82571; + break; + case IGC_DEV_ID_82572EI: + case IGC_DEV_ID_82572EI_COPPER: + case IGC_DEV_ID_82572EI_FIBER: + case IGC_DEV_ID_82572EI_SERDES: + mac->type = igc_82572; + break; + case IGC_DEV_ID_82573E: + case IGC_DEV_ID_82573E_IAMT: + case IGC_DEV_ID_82573L: + mac->type = igc_82573; + break; + case IGC_DEV_ID_82574L: + case IGC_DEV_ID_82574LA: + mac->type = igc_82574; + break; + case IGC_DEV_ID_82583V: + mac->type = igc_82583; + break; + case IGC_DEV_ID_80003ES2LAN_COPPER_DPT: + case IGC_DEV_ID_80003ES2LAN_SERDES_DPT: + case IGC_DEV_ID_80003ES2LAN_COPPER_SPT: + case IGC_DEV_ID_80003ES2LAN_SERDES_SPT: + mac->type = igc_80003es2lan; + break; + case IGC_DEV_ID_ICH8_IFE: + case IGC_DEV_ID_ICH8_IFE_GT: + case IGC_DEV_ID_ICH8_IFE_G: + case IGC_DEV_ID_ICH8_IGP_M: + case IGC_DEV_ID_ICH8_IGP_M_AMT: + case IGC_DEV_ID_ICH8_IGP_AMT: + case IGC_DEV_ID_ICH8_IGP_C: + case IGC_DEV_ID_ICH8_82567V_3: + mac->type = igc_ich8lan; + break; + case IGC_DEV_ID_ICH9_IFE: + case IGC_DEV_ID_ICH9_IFE_GT: + case IGC_DEV_ID_ICH9_IFE_G: + case IGC_DEV_ID_ICH9_IGP_M: + case IGC_DEV_ID_ICH9_IGP_M_AMT: + case IGC_DEV_ID_ICH9_IGP_M_V: + case IGC_DEV_ID_ICH9_IGP_AMT: + case IGC_DEV_ID_ICH9_BM: + case IGC_DEV_ID_ICH9_IGP_C: + case IGC_DEV_ID_ICH10_R_BM_LM: + case IGC_DEV_ID_ICH10_R_BM_LF: + case IGC_DEV_ID_ICH10_R_BM_V: + mac->type = igc_ich9lan; + break; + case IGC_DEV_ID_ICH10_D_BM_LM: + case IGC_DEV_ID_ICH10_D_BM_LF: + case IGC_DEV_ID_ICH10_D_BM_V: + mac->type = igc_ich10lan; + break; + case IGC_DEV_ID_PCH_D_HV_DM: + case IGC_DEV_ID_PCH_D_HV_DC: + case IGC_DEV_ID_PCH_M_HV_LM: + case IGC_DEV_ID_PCH_M_HV_LC: + mac->type = igc_pchlan; + break; + case IGC_DEV_ID_PCH2_LV_LM: + case IGC_DEV_ID_PCH2_LV_V: + mac->type = igc_pch2lan; + break; + case IGC_DEV_ID_PCH_LPT_I217_LM: + case IGC_DEV_ID_PCH_LPT_I217_V: + case IGC_DEV_ID_PCH_LPTLP_I218_LM: + case IGC_DEV_ID_PCH_LPTLP_I218_V: + case IGC_DEV_ID_PCH_I218_LM2: + case IGC_DEV_ID_PCH_I218_V2: + case IGC_DEV_ID_PCH_I218_LM3: + case IGC_DEV_ID_PCH_I218_V3: + mac->type = igc_pch_lpt; + break; + case IGC_DEV_ID_PCH_SPT_I219_LM: + case IGC_DEV_ID_PCH_SPT_I219_V: + case IGC_DEV_ID_PCH_SPT_I219_LM2: + case IGC_DEV_ID_PCH_SPT_I219_V2: + case IGC_DEV_ID_PCH_LBG_I219_LM3: + case IGC_DEV_ID_PCH_SPT_I219_LM4: + case IGC_DEV_ID_PCH_SPT_I219_V4: + case IGC_DEV_ID_PCH_SPT_I219_LM5: + case IGC_DEV_ID_PCH_SPT_I219_V5: + mac->type = igc_pch_spt; + break; + case IGC_DEV_ID_PCH_CNP_I219_LM6: + case IGC_DEV_ID_PCH_CNP_I219_V6: + case IGC_DEV_ID_PCH_CNP_I219_LM7: + case IGC_DEV_ID_PCH_CNP_I219_V7: + case IGC_DEV_ID_PCH_ICP_I219_LM8: + case IGC_DEV_ID_PCH_ICP_I219_V8: + case IGC_DEV_ID_PCH_ICP_I219_LM9: + case IGC_DEV_ID_PCH_ICP_I219_V9: + mac->type = igc_pch_cnp; + break; + case IGC_DEV_ID_82575EB_COPPER: + case IGC_DEV_ID_82575EB_FIBER_SERDES: + case IGC_DEV_ID_82575GB_QUAD_COPPER: + mac->type = igc_82575; + break; + case IGC_DEV_ID_82576: + case IGC_DEV_ID_82576_FIBER: + case IGC_DEV_ID_82576_SERDES: + case IGC_DEV_ID_82576_QUAD_COPPER: + case IGC_DEV_ID_82576_QUAD_COPPER_ET2: + case IGC_DEV_ID_82576_NS: + case IGC_DEV_ID_82576_NS_SERDES: + case IGC_DEV_ID_82576_SERDES_QUAD: + mac->type = igc_82576; + break; + case IGC_DEV_ID_82576_VF: + case IGC_DEV_ID_82576_VF_HV: + mac->type = igc_vfadapt; + break; + case IGC_DEV_ID_82580_COPPER: + case IGC_DEV_ID_82580_FIBER: + case IGC_DEV_ID_82580_SERDES: + case IGC_DEV_ID_82580_SGMII: + case IGC_DEV_ID_82580_COPPER_DUAL: + case IGC_DEV_ID_82580_QUAD_FIBER: + case IGC_DEV_ID_DH89XXCC_SGMII: + case IGC_DEV_ID_DH89XXCC_SERDES: + case IGC_DEV_ID_DH89XXCC_BACKPLANE: + case IGC_DEV_ID_DH89XXCC_SFP: + mac->type = igc_82580; + break; + case IGC_DEV_ID_I350_COPPER: + case IGC_DEV_ID_I350_FIBER: + case IGC_DEV_ID_I350_SERDES: + case IGC_DEV_ID_I350_SGMII: + case IGC_DEV_ID_I350_DA4: + mac->type = igc_i350; + break; + case IGC_DEV_ID_I210_COPPER_FLASHLESS: + case IGC_DEV_ID_I210_SERDES_FLASHLESS: + case IGC_DEV_ID_I210_SGMII_FLASHLESS: + case IGC_DEV_ID_I210_COPPER: + case IGC_DEV_ID_I210_COPPER_OEM1: + case IGC_DEV_ID_I210_COPPER_IT: + case IGC_DEV_ID_I210_FIBER: + case IGC_DEV_ID_I210_SERDES: + case IGC_DEV_ID_I210_SGMII: + mac->type = igc_i210; + break; + case IGC_DEV_ID_I211_COPPER: + mac->type = igc_i211; + break; + case IGC_DEV_ID_I225_LM: + case IGC_DEV_ID_I225_V: + case IGC_DEV_ID_I225_K: + case IGC_DEV_ID_I225_I: + case IGC_DEV_ID_I220_V: + case IGC_DEV_ID_I225_BLANK_NVM: + mac->type = igc_i225; + break; + case IGC_DEV_ID_I350_VF: + case IGC_DEV_ID_I350_VF_HV: + mac->type = igc_vfadapt_i350; + break; + case IGC_DEV_ID_I354_BACKPLANE_1GBPS: + case IGC_DEV_ID_I354_SGMII: + case IGC_DEV_ID_I354_BACKPLANE_2_5GBPS: + mac->type = igc_i354; + break; + default: + /* Should never have loaded on this device */ + ret_val = -IGC_ERR_MAC_INIT; + break; + } + + return ret_val; +} + +/** + * igc_setup_init_funcs - Initializes function pointers + * @hw: pointer to the HW structure + * @init_device: true will initialize the rest of the function pointers + * getting the device ready for use. false will only set + * MAC type and the function pointers for the other init + * functions. Passing false will not generate any hardware + * reads or writes. + * + * This function must be called by a driver in order to use the rest + * of the 'shared' code files. Called by drivers only. + **/ +s32 igc_setup_init_funcs(struct igc_hw *hw, bool init_device) +{ + s32 ret_val; + + /* Can't do much good without knowing the MAC type. */ + ret_val = igc_set_mac_type(hw); + if (ret_val) { + DEBUGOUT("ERROR: MAC type could not be set properly.\n"); + goto out; + } + + if (!hw->hw_addr) { + DEBUGOUT("ERROR: Registers not mapped\n"); + ret_val = -IGC_ERR_CONFIG; + goto out; + } + + /* + * Init function pointers to generic implementations. We do this first + * allowing a driver module to override it afterward. + */ + igc_init_mac_ops_generic(hw); + igc_init_phy_ops_generic(hw); + igc_init_nvm_ops_generic(hw); + + /* + * Set up the init function pointers. These are functions within the + * adapter family file that sets up function pointers for the rest of + * the functions in that family. + */ + switch (hw->mac.type) { + case igc_i225: + igc_init_function_pointers_i225(hw); + break; + default: + DEBUGOUT("Hardware not supported\n"); + ret_val = -IGC_ERR_CONFIG; + break; + } + + /* + * Initialize the rest of the function pointers. These require some + * register reads/writes in some cases. + */ + if (!(ret_val) && init_device) { + ret_val = igc_init_mac_params(hw); + if (ret_val) + goto out; + + ret_val = igc_init_nvm_params(hw); + if (ret_val) + goto out; + + ret_val = igc_init_phy_params(hw); + if (ret_val) + goto out; + } + +out: + return ret_val; +} + +/** + * igc_get_bus_info - Obtain bus information for adapter + * @hw: pointer to the HW structure + * + * This will obtain information about the HW bus for which the + * adapter is attached and stores it in the hw structure. This is a + * function pointer entry point called by drivers. + **/ +s32 igc_get_bus_info(struct igc_hw *hw) +{ + if (hw->mac.ops.get_bus_info) + return hw->mac.ops.get_bus_info(hw); + + return IGC_SUCCESS; +} + +/** + * igc_clear_vfta - Clear VLAN filter table + * @hw: pointer to the HW structure + * + * This clears the VLAN filter table on the adapter. This is a function + * pointer entry point called by drivers. + **/ +void igc_clear_vfta(struct igc_hw *hw) +{ + if (hw->mac.ops.clear_vfta) + hw->mac.ops.clear_vfta(hw); +} + +/** + * igc_write_vfta - Write value to VLAN filter table + * @hw: pointer to the HW structure + * @offset: the 32-bit offset in which to write the value to. + * @value: the 32-bit value to write at location offset. + * + * This writes a 32-bit value to a 32-bit offset in the VLAN filter + * table. This is a function pointer entry point called by drivers. + **/ +void igc_write_vfta(struct igc_hw *hw, u32 offset, u32 value) +{ + if (hw->mac.ops.write_vfta) + hw->mac.ops.write_vfta(hw, offset, value); +} + +/** + * igc_update_mc_addr_list - Update Multicast addresses + * @hw: pointer to the HW structure + * @mc_addr_list: array of multicast addresses to program + * @mc_addr_count: number of multicast addresses to program + * + * Updates the Multicast Table Array. + * The caller must have a packed mc_addr_list of multicast addresses. + **/ +void igc_update_mc_addr_list(struct igc_hw *hw, u8 *mc_addr_list, + u32 mc_addr_count) +{ + if (hw->mac.ops.update_mc_addr_list) + hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, + mc_addr_count); +} + +/** + * igc_force_mac_fc - Force MAC flow control + * @hw: pointer to the HW structure + * + * Force the MAC's flow control settings. Currently no func pointer exists + * and all implementations are handled in the generic version of this + * function. + **/ +s32 igc_force_mac_fc(struct igc_hw *hw) +{ + return igc_force_mac_fc_generic(hw); +} + +/** + * igc_check_for_link - Check/Store link connection + * @hw: pointer to the HW structure + * + * This checks the link condition of the adapter and stores the + * results in the hw->mac structure. This is a function pointer entry + * point called by drivers. + **/ +s32 igc_check_for_link(struct igc_hw *hw) +{ + if (hw->mac.ops.check_for_link) + return hw->mac.ops.check_for_link(hw); + + return -IGC_ERR_CONFIG; +} + +/** + * igc_check_mng_mode - Check management mode + * @hw: pointer to the HW structure + * + * This checks if the adapter has manageability enabled. + * This is a function pointer entry point called by drivers. + **/ +bool igc_check_mng_mode(struct igc_hw *hw) +{ + if (hw->mac.ops.check_mng_mode) + return hw->mac.ops.check_mng_mode(hw); + + return false; +} + +/** + * igc_mng_write_dhcp_info - Writes DHCP info to host interface + * @hw: pointer to the HW structure + * @buffer: pointer to the host interface + * @length: size of the buffer + * + * Writes the DHCP information to the host interface. + **/ +s32 igc_mng_write_dhcp_info(struct igc_hw *hw, u8 *buffer, u16 length) +{ + return igc_mng_write_dhcp_info_generic(hw, buffer, length); +} + +/** + * igc_reset_hw - Reset hardware + * @hw: pointer to the HW structure + * + * This resets the hardware into a known state. This is a function pointer + * entry point called by drivers. + **/ +s32 igc_reset_hw(struct igc_hw *hw) +{ + if (hw->mac.ops.reset_hw) + return hw->mac.ops.reset_hw(hw); + + return -IGC_ERR_CONFIG; +} + +/** + * igc_init_hw - Initialize hardware + * @hw: pointer to the HW structure + * + * This inits the hardware readying it for operation. This is a function + * pointer entry point called by drivers. + **/ +s32 igc_init_hw(struct igc_hw *hw) +{ + if (hw->mac.ops.init_hw) + return hw->mac.ops.init_hw(hw); + + return -IGC_ERR_CONFIG; +} + +/** + * igc_setup_link - Configures link and flow control + * @hw: pointer to the HW structure + * + * This configures link and flow control settings for the adapter. This + * is a function pointer entry point called by drivers. While modules can + * also call this, they probably call their own version of this function. + **/ +s32 igc_setup_link(struct igc_hw *hw) +{ + if (hw->mac.ops.setup_link) + return hw->mac.ops.setup_link(hw); + + return -IGC_ERR_CONFIG; +} + +/** + * igc_get_speed_and_duplex - Returns current speed and duplex + * @hw: pointer to the HW structure + * @speed: pointer to a 16-bit value to store the speed + * @duplex: pointer to a 16-bit value to store the duplex. + * + * This returns the speed and duplex of the adapter in the two 'out' + * variables passed in. This is a function pointer entry point called + * by drivers. + **/ +s32 igc_get_speed_and_duplex(struct igc_hw *hw, u16 *speed, u16 *duplex) +{ + if (hw->mac.ops.get_link_up_info) + return hw->mac.ops.get_link_up_info(hw, speed, duplex); + + return -IGC_ERR_CONFIG; +} + +/** + * igc_setup_led - Configures SW controllable LED + * @hw: pointer to the HW structure + * + * This prepares the SW controllable LED for use and saves the current state + * of the LED so it can be later restored. This is a function pointer entry + * point called by drivers. + **/ +s32 igc_setup_led(struct igc_hw *hw) +{ + if (hw->mac.ops.setup_led) + return hw->mac.ops.setup_led(hw); + + return IGC_SUCCESS; +} + +/** + * igc_cleanup_led - Restores SW controllable LED + * @hw: pointer to the HW structure + * + * This restores the SW controllable LED to the value saved off by + * igc_setup_led. This is a function pointer entry point called by drivers. + **/ +s32 igc_cleanup_led(struct igc_hw *hw) +{ + if (hw->mac.ops.cleanup_led) + return hw->mac.ops.cleanup_led(hw); + + return IGC_SUCCESS; +} + +/** + * igc_blink_led - Blink SW controllable LED + * @hw: pointer to the HW structure + * + * This starts the adapter LED blinking. Request the LED to be setup first + * and cleaned up after. This is a function pointer entry point called by + * drivers. + **/ +s32 igc_blink_led(struct igc_hw *hw) +{ + if (hw->mac.ops.blink_led) + return hw->mac.ops.blink_led(hw); + + return IGC_SUCCESS; +} + +/** + * igc_id_led_init - store LED configurations in SW + * @hw: pointer to the HW structure + * + * Initializes the LED config in SW. This is a function pointer entry point + * called by drivers. + **/ +s32 igc_id_led_init(struct igc_hw *hw) +{ + if (hw->mac.ops.id_led_init) + return hw->mac.ops.id_led_init(hw); + + return IGC_SUCCESS; +} + +/** + * igc_led_on - Turn on SW controllable LED + * @hw: pointer to the HW structure + * + * Turns the SW defined LED on. This is a function pointer entry point + * called by drivers. + **/ +s32 igc_led_on(struct igc_hw *hw) +{ + if (hw->mac.ops.led_on) + return hw->mac.ops.led_on(hw); + + return IGC_SUCCESS; +} + +/** + * igc_led_off - Turn off SW controllable LED + * @hw: pointer to the HW structure + * + * Turns the SW defined LED off. This is a function pointer entry point + * called by drivers. + **/ +s32 igc_led_off(struct igc_hw *hw) +{ + if (hw->mac.ops.led_off) + return hw->mac.ops.led_off(hw); + + return IGC_SUCCESS; +} + +/** + * igc_reset_adaptive - Reset adaptive IFS + * @hw: pointer to the HW structure + * + * Resets the adaptive IFS. Currently no func pointer exists and all + * implementations are handled in the generic version of this function. + **/ +void igc_reset_adaptive(struct igc_hw *hw) +{ + igc_reset_adaptive_generic(hw); +} + +/** + * igc_update_adaptive - Update adaptive IFS + * @hw: pointer to the HW structure + * + * Updates adapter IFS. Currently no func pointer exists and all + * implementations are handled in the generic version of this function. + **/ +void igc_update_adaptive(struct igc_hw *hw) +{ + igc_update_adaptive_generic(hw); +} + +/** + * igc_disable_pcie_master - Disable PCI-Express master access + * @hw: pointer to the HW structure + * + * Disables PCI-Express master access and verifies there are no pending + * requests. Currently no func pointer exists and all implementations are + * handled in the generic version of this function. + **/ +s32 igc_disable_pcie_master(struct igc_hw *hw) +{ + return igc_disable_pcie_master_generic(hw); +} + +/** + * igc_config_collision_dist - Configure collision distance + * @hw: pointer to the HW structure + * + * Configures the collision distance to the default value and is used + * during link setup. + **/ +void igc_config_collision_dist(struct igc_hw *hw) +{ + if (hw->mac.ops.config_collision_dist) + hw->mac.ops.config_collision_dist(hw); +} + +/** + * igc_rar_set - Sets a receive address register + * @hw: pointer to the HW structure + * @addr: address to set the RAR to + * @index: the RAR to set + * + * Sets a Receive Address Register (RAR) to the specified address. + **/ +int igc_rar_set(struct igc_hw *hw, u8 *addr, u32 index) +{ + if (hw->mac.ops.rar_set) + return hw->mac.ops.rar_set(hw, addr, index); + + return IGC_SUCCESS; +} + +/** + * igc_validate_mdi_setting - Ensures valid MDI/MDIX SW state + * @hw: pointer to the HW structure + * + * Ensures that the MDI/MDIX SW state is valid. + **/ +s32 igc_validate_mdi_setting(struct igc_hw *hw) +{ + if (hw->mac.ops.validate_mdi_setting) + return hw->mac.ops.validate_mdi_setting(hw); + + return IGC_SUCCESS; +} + +/** + * igc_hash_mc_addr - Determines address location in multicast table + * @hw: pointer to the HW structure + * @mc_addr: Multicast address to hash. + * + * This hashes an address to determine its location in the multicast + * table. Currently no func pointer exists and all implementations + * are handled in the generic version of this function. + **/ +u32 igc_hash_mc_addr(struct igc_hw *hw, u8 *mc_addr) +{ + return igc_hash_mc_addr_generic(hw, mc_addr); +} + +/** + * igc_enable_tx_pkt_filtering - Enable packet filtering on TX + * @hw: pointer to the HW structure + * + * Enables packet filtering on transmit packets if manageability is enabled + * and host interface is enabled. + * Currently no func pointer exists and all implementations are handled in the + * generic version of this function. + **/ +bool igc_enable_tx_pkt_filtering(struct igc_hw *hw) +{ + return igc_enable_tx_pkt_filtering_generic(hw); +} + +/** + * igc_mng_host_if_write - Writes to the manageability host interface + * @hw: pointer to the HW structure + * @buffer: pointer to the host interface buffer + * @length: size of the buffer + * @offset: location in the buffer to write to + * @sum: sum of the data (not checksum) + * + * This function writes the buffer content at the offset given on the host if. + * It also does alignment considerations to do the writes in most efficient + * way. Also fills up the sum of the buffer in *buffer parameter. + **/ +s32 igc_mng_host_if_write(struct igc_hw *hw, u8 *buffer, u16 length, + u16 offset, u8 *sum) +{ + return igc_mng_host_if_write_generic(hw, buffer, length, offset, sum); +} + +/** + * igc_mng_write_cmd_header - Writes manageability command header + * @hw: pointer to the HW structure + * @hdr: pointer to the host interface command header + * + * Writes the command header after does the checksum calculation. + **/ +s32 igc_mng_write_cmd_header(struct igc_hw *hw, + struct igc_host_mng_command_header *hdr) +{ + return igc_mng_write_cmd_header_generic(hw, hdr); +} + +/** + * igc_mng_enable_host_if - Checks host interface is enabled + * @hw: pointer to the HW structure + * + * Returns IGC_success upon success, else IGC_ERR_HOST_INTERFACE_COMMAND + * + * This function checks whether the HOST IF is enabled for command operation + * and also checks whether the previous command is completed. It busy waits + * in case of previous command is not completed. + **/ +s32 igc_mng_enable_host_if(struct igc_hw *hw) +{ + return igc_mng_enable_host_if_generic(hw); +} + +/** + * igc_check_reset_block - Verifies PHY can be reset + * @hw: pointer to the HW structure + * + * Checks if the PHY is in a state that can be reset or if manageability + * has it tied up. This is a function pointer entry point called by drivers. + **/ +s32 igc_check_reset_block(struct igc_hw *hw) +{ + if (hw->phy.ops.check_reset_block) + return hw->phy.ops.check_reset_block(hw); + + return IGC_SUCCESS; +} + +/** + * igc_read_phy_reg - Reads PHY register + * @hw: pointer to the HW structure + * @offset: the register to read + * @data: the buffer to store the 16-bit read. + * + * Reads the PHY register and returns the value in data. + * This is a function pointer entry point called by drivers. + **/ +s32 igc_read_phy_reg(struct igc_hw *hw, u32 offset, u16 *data) +{ + if (hw->phy.ops.read_reg) + return hw->phy.ops.read_reg(hw, offset, data); + + return IGC_SUCCESS; +} + +/** + * igc_write_phy_reg - Writes PHY register + * @hw: pointer to the HW structure + * @offset: the register to write + * @data: the value to write. + * + * Writes the PHY register at offset with the value in data. + * This is a function pointer entry point called by drivers. + **/ +s32 igc_write_phy_reg(struct igc_hw *hw, u32 offset, u16 data) +{ + if (hw->phy.ops.write_reg) + return hw->phy.ops.write_reg(hw, offset, data); + + return IGC_SUCCESS; +} + +/** + * igc_release_phy - Generic release PHY + * @hw: pointer to the HW structure + * + * Return if silicon family does not require a semaphore when accessing the + * PHY. + **/ +void igc_release_phy(struct igc_hw *hw) +{ + if (hw->phy.ops.release) + hw->phy.ops.release(hw); +} + +/** + * igc_acquire_phy - Generic acquire PHY + * @hw: pointer to the HW structure + * + * Return success if silicon family does not require a semaphore when + * accessing the PHY. + **/ +s32 igc_acquire_phy(struct igc_hw *hw) +{ + if (hw->phy.ops.acquire) + return hw->phy.ops.acquire(hw); + + return IGC_SUCCESS; +} + +/** + * igc_cfg_on_link_up - Configure PHY upon link up + * @hw: pointer to the HW structure + **/ +s32 igc_cfg_on_link_up(struct igc_hw *hw) +{ + if (hw->phy.ops.cfg_on_link_up) + return hw->phy.ops.cfg_on_link_up(hw); + + return IGC_SUCCESS; +} + +/** + * igc_read_kmrn_reg - Reads register using Kumeran interface + * @hw: pointer to the HW structure + * @offset: the register to read + * @data: the location to store the 16-bit value read. + * + * Reads a register out of the Kumeran interface. Currently no func pointer + * exists and all implementations are handled in the generic version of + * this function. + **/ +s32 igc_read_kmrn_reg(struct igc_hw *hw, u32 offset, u16 *data) +{ + return igc_read_kmrn_reg_generic(hw, offset, data); +} + +/** + * igc_write_kmrn_reg - Writes register using Kumeran interface + * @hw: pointer to the HW structure + * @offset: the register to write + * @data: the value to write. + * + * Writes a register to the Kumeran interface. Currently no func pointer + * exists and all implementations are handled in the generic version of + * this function. + **/ +s32 igc_write_kmrn_reg(struct igc_hw *hw, u32 offset, u16 data) +{ + return igc_write_kmrn_reg_generic(hw, offset, data); +} + +/** + * igc_get_cable_length - Retrieves cable length estimation + * @hw: pointer to the HW structure + * + * This function estimates the cable length and stores them in + * hw->phy.min_length and hw->phy.max_length. This is a function pointer + * entry point called by drivers. + **/ +s32 igc_get_cable_length(struct igc_hw *hw) +{ + if (hw->phy.ops.get_cable_length) + return hw->phy.ops.get_cable_length(hw); + + return IGC_SUCCESS; +} + +/** + * igc_get_phy_info - Retrieves PHY information from registers + * @hw: pointer to the HW structure + * + * This function gets some information from various PHY registers and + * populates hw->phy values with it. This is a function pointer entry + * point called by drivers. + **/ +s32 igc_get_phy_info(struct igc_hw *hw) +{ + if (hw->phy.ops.get_info) + return hw->phy.ops.get_info(hw); + + return IGC_SUCCESS; +} + +/** + * igc_phy_hw_reset - Hard PHY reset + * @hw: pointer to the HW structure + * + * Performs a hard PHY reset. This is a function pointer entry point called + * by drivers. + **/ +s32 igc_phy_hw_reset(struct igc_hw *hw) +{ + if (hw->phy.ops.reset) + return hw->phy.ops.reset(hw); + + return IGC_SUCCESS; +} + +/** + * igc_phy_commit - Soft PHY reset + * @hw: pointer to the HW structure + * + * Performs a soft PHY reset on those that apply. This is a function pointer + * entry point called by drivers. + **/ +s32 igc_phy_commit(struct igc_hw *hw) +{ + if (hw->phy.ops.commit) + return hw->phy.ops.commit(hw); + + return IGC_SUCCESS; +} + +/** + * igc_set_d0_lplu_state - Sets low power link up state for D0 + * @hw: pointer to the HW structure + * @active: boolean used to enable/disable lplu + * + * Success returns 0, Failure returns 1 + * + * The low power link up (lplu) state is set to the power management level D0 + * and SmartSpeed is disabled when active is true, else clear lplu for D0 + * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU + * is used during Dx states where the power conservation is most important. + * During driver activity, SmartSpeed should be enabled so performance is + * maintained. This is a function pointer entry point called by drivers. + **/ +s32 igc_set_d0_lplu_state(struct igc_hw *hw, bool active) +{ + if (hw->phy.ops.set_d0_lplu_state) + return hw->phy.ops.set_d0_lplu_state(hw, active); + + return IGC_SUCCESS; +} + +/** + * igc_set_d3_lplu_state - Sets low power link up state for D3 + * @hw: pointer to the HW structure + * @active: boolean used to enable/disable lplu + * + * Success returns 0, Failure returns 1 + * + * The low power link up (lplu) state is set to the power management level D3 + * and SmartSpeed is disabled when active is true, else clear lplu for D3 + * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU + * is used during Dx states where the power conservation is most important. + * During driver activity, SmartSpeed should be enabled so performance is + * maintained. This is a function pointer entry point called by drivers. + **/ +s32 igc_set_d3_lplu_state(struct igc_hw *hw, bool active) +{ + if (hw->phy.ops.set_d3_lplu_state) + return hw->phy.ops.set_d3_lplu_state(hw, active); + + return IGC_SUCCESS; +} + +/** + * igc_read_mac_addr - Reads MAC address + * @hw: pointer to the HW structure + * + * Reads the MAC address out of the adapter and stores it in the HW structure. + * Currently no func pointer exists and all implementations are handled in the + * generic version of this function. + **/ +s32 igc_read_mac_addr(struct igc_hw *hw) +{ + if (hw->mac.ops.read_mac_addr) + return hw->mac.ops.read_mac_addr(hw); + + return igc_read_mac_addr_generic(hw); +} + +/** + * igc_read_pba_string - Read device part number string + * @hw: pointer to the HW structure + * @pba_num: pointer to device part number + * @pba_num_size: size of part number buffer + * + * Reads the product board assembly (PBA) number from the EEPROM and stores + * the value in pba_num. + * Currently no func pointer exists and all implementations are handled in the + * generic version of this function. + **/ +s32 igc_read_pba_string(struct igc_hw *hw, u8 *pba_num, u32 pba_num_size) +{ + return igc_read_pba_string_generic(hw, pba_num, pba_num_size); +} + +/** + * igc_read_pba_length - Read device part number string length + * @hw: pointer to the HW structure + * @pba_num_size: size of part number buffer + * + * Reads the product board assembly (PBA) number length from the EEPROM and + * stores the value in pba_num. + * Currently no func pointer exists and all implementations are handled in the + * generic version of this function. + **/ +s32 igc_read_pba_length(struct igc_hw *hw, u32 *pba_num_size) +{ + return igc_read_pba_length_generic(hw, pba_num_size); +} + +/** + * igc_read_pba_num - Read device part number + * @hw: pointer to the HW structure + * @pba_num: pointer to device part number + * + * Reads the product board assembly (PBA) number from the EEPROM and stores + * the value in pba_num. + * Currently no func pointer exists and all implementations are handled in the + * generic version of this function. + **/ +s32 igc_read_pba_num(struct igc_hw *hw, u32 *pba_num) +{ + return igc_read_pba_num_generic(hw, pba_num); +} + +/** + * igc_validate_nvm_checksum - Verifies NVM (EEPROM) checksum + * @hw: pointer to the HW structure + * + * Validates the NVM checksum is correct. This is a function pointer entry + * point called by drivers. + **/ +s32 igc_validate_nvm_checksum(struct igc_hw *hw) +{ + if (hw->nvm.ops.validate) + return hw->nvm.ops.validate(hw); + + return -IGC_ERR_CONFIG; +} + +/** + * igc_update_nvm_checksum - Updates NVM (EEPROM) checksum + * @hw: pointer to the HW structure + * + * Updates the NVM checksum. Currently no func pointer exists and all + * implementations are handled in the generic version of this function. + **/ +s32 igc_update_nvm_checksum(struct igc_hw *hw) +{ + if (hw->nvm.ops.update) + return hw->nvm.ops.update(hw); + + return -IGC_ERR_CONFIG; +} + +/** + * igc_reload_nvm - Reloads EEPROM + * @hw: pointer to the HW structure + * + * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the + * extended control register. + **/ +void igc_reload_nvm(struct igc_hw *hw) +{ + if (hw->nvm.ops.reload) + hw->nvm.ops.reload(hw); +} + +/** + * igc_read_nvm - Reads NVM (EEPROM) + * @hw: pointer to the HW structure + * @offset: the word offset to read + * @words: number of 16-bit words to read + * @data: pointer to the properly sized buffer for the data. + * + * Reads 16-bit chunks of data from the NVM (EEPROM). This is a function + * pointer entry point called by drivers. + **/ +s32 igc_read_nvm(struct igc_hw *hw, u16 offset, u16 words, u16 *data) +{ + if (hw->nvm.ops.read) + return hw->nvm.ops.read(hw, offset, words, data); + + return -IGC_ERR_CONFIG; +} + +/** + * igc_write_nvm - Writes to NVM (EEPROM) + * @hw: pointer to the HW structure + * @offset: the word offset to read + * @words: number of 16-bit words to write + * @data: pointer to the properly sized buffer for the data. + * + * Writes 16-bit chunks of data to the NVM (EEPROM). This is a function + * pointer entry point called by drivers. + **/ +s32 igc_write_nvm(struct igc_hw *hw, u16 offset, u16 words, u16 *data) +{ + if (hw->nvm.ops.write) + return hw->nvm.ops.write(hw, offset, words, data); + + return IGC_SUCCESS; +} + +/** + * igc_write_8bit_ctrl_reg - Writes 8bit Control register + * @hw: pointer to the HW structure + * @reg: 32bit register offset + * @offset: the register to write + * @data: the value to write. + * + * Writes the PHY register at offset with the value in data. + * This is a function pointer entry point called by drivers. + **/ +s32 igc_write_8bit_ctrl_reg(struct igc_hw *hw, u32 reg, u32 offset, + u8 data) +{ + return igc_write_8bit_ctrl_reg_generic(hw, reg, offset, data); +} + +/** + * igc_power_up_phy - Restores link in case of PHY power down + * @hw: pointer to the HW structure + * + * The phy may be powered down to save power, to turn off link when the + * driver is unloaded, or wake on lan is not enabled (among others). + **/ +void igc_power_up_phy(struct igc_hw *hw) +{ + if (hw->phy.ops.power_up) + hw->phy.ops.power_up(hw); + + igc_setup_link(hw); +} + +/** + * igc_power_down_phy - Power down PHY + * @hw: pointer to the HW structure + * + * The phy may be powered down to save power, to turn off link when the + * driver is unloaded, or wake on lan is not enabled (among others). + **/ +void igc_power_down_phy(struct igc_hw *hw) +{ + if (hw->phy.ops.power_down) + hw->phy.ops.power_down(hw); +} + +/** + * igc_power_up_fiber_serdes_link - Power up serdes link + * @hw: pointer to the HW structure + * + * Power on the optics and PCS. + **/ +void igc_power_up_fiber_serdes_link(struct igc_hw *hw) +{ + if (hw->mac.ops.power_up_serdes) + hw->mac.ops.power_up_serdes(hw); +} + +/** + * igc_shutdown_fiber_serdes_link - Remove link during power down + * @hw: pointer to the HW structure + * + * Shutdown the optics and PCS on driver unload. + **/ +void igc_shutdown_fiber_serdes_link(struct igc_hw *hw) +{ + if (hw->mac.ops.shutdown_serdes) + hw->mac.ops.shutdown_serdes(hw); +} diff --git a/drivers/net/igc/base/igc_api.h b/drivers/net/igc/base/igc_api.h new file mode 100644 index 0000000000..94d802b2e3 --- /dev/null +++ b/drivers/net/igc/base/igc_api.h @@ -0,0 +1,111 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_API_H_ +#define _IGC_API_H_ + +#include "igc_hw.h" + +/* I2C SDA and SCL timing parameters for standard mode */ +#define IGC_I2C_T_HD_STA 4 +#define IGC_I2C_T_LOW 5 +#define IGC_I2C_T_HIGH 4 +#define IGC_I2C_T_SU_STA 5 +#define IGC_I2C_T_HD_DATA 5 +#define IGC_I2C_T_SU_DATA 1 +#define IGC_I2C_T_RISE 1 +#define IGC_I2C_T_FALL 1 +#define IGC_I2C_T_SU_STO 4 +#define IGC_I2C_T_BUF 5 + +s32 igc_set_i2c_bb(struct igc_hw *hw); +s32 igc_read_i2c_byte_generic(struct igc_hw *hw, u8 byte_offset, + u8 dev_addr, u8 *data); +s32 igc_write_i2c_byte_generic(struct igc_hw *hw, u8 byte_offset, + u8 dev_addr, u8 data); +void igc_i2c_bus_clear(struct igc_hw *hw); + +void igc_init_function_pointers_82542(struct igc_hw *hw); +void igc_init_function_pointers_82543(struct igc_hw *hw); +void igc_init_function_pointers_82540(struct igc_hw *hw); +void igc_init_function_pointers_82571(struct igc_hw *hw); +void igc_init_function_pointers_82541(struct igc_hw *hw); +void igc_init_function_pointers_80003es2lan(struct igc_hw *hw); +void igc_init_function_pointers_ich8lan(struct igc_hw *hw); +void igc_init_function_pointers_82575(struct igc_hw *hw); +void igc_init_function_pointers_vf(struct igc_hw *hw); +void igc_power_up_fiber_serdes_link(struct igc_hw *hw); +void igc_shutdown_fiber_serdes_link(struct igc_hw *hw); +void igc_init_function_pointers_i210(struct igc_hw *hw); +void igc_init_function_pointers_i225(struct igc_hw *hw); + +s32 igc_set_obff_timer(struct igc_hw *hw, u32 itr); +s32 igc_set_mac_type(struct igc_hw *hw); +s32 igc_setup_init_funcs(struct igc_hw *hw, bool init_device); +s32 igc_init_mac_params(struct igc_hw *hw); +s32 igc_init_nvm_params(struct igc_hw *hw); +s32 igc_init_phy_params(struct igc_hw *hw); +s32 igc_init_mbx_params(struct igc_hw *hw); +s32 igc_get_bus_info(struct igc_hw *hw); +void igc_clear_vfta(struct igc_hw *hw); +void igc_write_vfta(struct igc_hw *hw, u32 offset, u32 value); +s32 igc_force_mac_fc(struct igc_hw *hw); +s32 igc_check_for_link(struct igc_hw *hw); +s32 igc_reset_hw(struct igc_hw *hw); +s32 igc_init_hw(struct igc_hw *hw); +s32 igc_setup_link(struct igc_hw *hw); +s32 igc_get_speed_and_duplex(struct igc_hw *hw, u16 *speed, u16 *duplex); +s32 igc_disable_pcie_master(struct igc_hw *hw); +void igc_config_collision_dist(struct igc_hw *hw); +int igc_rar_set(struct igc_hw *hw, u8 *addr, u32 index); +u32 igc_hash_mc_addr(struct igc_hw *hw, u8 *mc_addr); +void igc_update_mc_addr_list(struct igc_hw *hw, u8 *mc_addr_list, + u32 mc_addr_count); +s32 igc_setup_led(struct igc_hw *hw); +s32 igc_cleanup_led(struct igc_hw *hw); +s32 igc_check_reset_block(struct igc_hw *hw); +s32 igc_blink_led(struct igc_hw *hw); +s32 igc_led_on(struct igc_hw *hw); +s32 igc_led_off(struct igc_hw *hw); +s32 igc_id_led_init(struct igc_hw *hw); +void igc_reset_adaptive(struct igc_hw *hw); +void igc_update_adaptive(struct igc_hw *hw); +s32 igc_get_cable_length(struct igc_hw *hw); +s32 igc_validate_mdi_setting(struct igc_hw *hw); +s32 igc_read_phy_reg(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_write_phy_reg(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_write_8bit_ctrl_reg(struct igc_hw *hw, u32 reg, u32 offset, + u8 data); +s32 igc_get_phy_info(struct igc_hw *hw); +void igc_release_phy(struct igc_hw *hw); +s32 igc_acquire_phy(struct igc_hw *hw); +s32 igc_cfg_on_link_up(struct igc_hw *hw); +s32 igc_phy_hw_reset(struct igc_hw *hw); +s32 igc_phy_commit(struct igc_hw *hw); +void igc_power_up_phy(struct igc_hw *hw); +void igc_power_down_phy(struct igc_hw *hw); +s32 igc_read_mac_addr(struct igc_hw *hw); +s32 igc_read_pba_num(struct igc_hw *hw, u32 *part_num); +s32 igc_read_pba_string(struct igc_hw *hw, u8 *pba_num, u32 pba_num_size); +s32 igc_read_pba_length(struct igc_hw *hw, u32 *pba_num_size); +void igc_reload_nvm(struct igc_hw *hw); +s32 igc_update_nvm_checksum(struct igc_hw *hw); +s32 igc_validate_nvm_checksum(struct igc_hw *hw); +s32 igc_read_nvm(struct igc_hw *hw, u16 offset, u16 words, u16 *data); +s32 igc_read_kmrn_reg(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_write_kmrn_reg(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_write_nvm(struct igc_hw *hw, u16 offset, u16 words, u16 *data); +s32 igc_set_d3_lplu_state(struct igc_hw *hw, bool active); +s32 igc_set_d0_lplu_state(struct igc_hw *hw, bool active); +bool igc_check_mng_mode(struct igc_hw *hw); +bool igc_enable_tx_pkt_filtering(struct igc_hw *hw); +s32 igc_mng_enable_host_if(struct igc_hw *hw); +s32 igc_mng_host_if_write(struct igc_hw *hw, u8 *buffer, u16 length, + u16 offset, u8 *sum); +s32 igc_mng_write_cmd_header(struct igc_hw *hw, + struct igc_host_mng_command_header *hdr); +s32 igc_mng_write_dhcp_info(struct igc_hw *hw, u8 *buffer, u16 length); +u32 igc_translate_register_82542(u32 reg); + +#endif /* _IGC_API_H_ */ diff --git a/drivers/net/igc/base/igc_base.c b/drivers/net/igc/base/igc_base.c new file mode 100644 index 0000000000..f3ef0f92db --- /dev/null +++ b/drivers/net/igc/base/igc_base.c @@ -0,0 +1,190 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#include "igc_hw.h" +#include "igc_i225.h" +#include "igc_mac.h" +#include "igc_base.h" +#include "igc_manage.h" + +/** + * igc_acquire_phy_base - Acquire rights to access PHY + * @hw: pointer to the HW structure + * + * Acquire access rights to the correct PHY. + **/ +s32 igc_acquire_phy_base(struct igc_hw *hw) +{ + u16 mask = IGC_SWFW_PHY0_SM; + + DEBUGFUNC("igc_acquire_phy_base"); + + if (hw->bus.func == IGC_FUNC_1) + mask = IGC_SWFW_PHY1_SM; + else if (hw->bus.func == IGC_FUNC_2) + mask = IGC_SWFW_PHY2_SM; + else if (hw->bus.func == IGC_FUNC_3) + mask = IGC_SWFW_PHY3_SM; + + return hw->mac.ops.acquire_swfw_sync(hw, mask); +} + +/** + * igc_release_phy_base - Release rights to access PHY + * @hw: pointer to the HW structure + * + * A wrapper to release access rights to the correct PHY. + **/ +void igc_release_phy_base(struct igc_hw *hw) +{ + u16 mask = IGC_SWFW_PHY0_SM; + + DEBUGFUNC("igc_release_phy_base"); + + if (hw->bus.func == IGC_FUNC_1) + mask = IGC_SWFW_PHY1_SM; + else if (hw->bus.func == IGC_FUNC_2) + mask = IGC_SWFW_PHY2_SM; + else if (hw->bus.func == IGC_FUNC_3) + mask = IGC_SWFW_PHY3_SM; + + hw->mac.ops.release_swfw_sync(hw, mask); +} + +/** + * igc_init_hw_base - Initialize hardware + * @hw: pointer to the HW structure + * + * This inits the hardware readying it for operation. + **/ +s32 igc_init_hw_base(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + s32 ret_val; + u16 i, rar_count = mac->rar_entry_count; + + DEBUGFUNC("igc_init_hw_base"); + + /* Setup the receive address */ + igc_init_rx_addrs_generic(hw, rar_count); + + /* Zero out the Multicast HASH table */ + DEBUGOUT("Zeroing the MTA\n"); + for (i = 0; i < mac->mta_reg_count; i++) + IGC_WRITE_REG_ARRAY(hw, IGC_MTA, i, 0); + + /* Zero out the Unicast HASH table */ + DEBUGOUT("Zeroing the UTA\n"); + for (i = 0; i < mac->uta_reg_count; i++) + IGC_WRITE_REG_ARRAY(hw, IGC_UTA, i, 0); + + /* Setup link and flow control */ + ret_val = mac->ops.setup_link(hw); + /* + * Clear all of the statistics registers (clear on read). It is + * important that we do this after we have tried to establish link + * because the symbol error count will increment wildly if there + * is no link. + */ + igc_clear_hw_cntrs_base_generic(hw); + + return ret_val; +} + +/** + * igc_power_down_phy_copper_base - Remove link during PHY power down + * @hw: pointer to the HW structure + * + * In the case of a PHY power down to save power, or to turn off link during a + * driver unload, or wake on lan is not enabled, remove the link. + **/ +void igc_power_down_phy_copper_base(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + + if (!(phy->ops.check_reset_block)) + return; + + /* If the management interface is not enabled, then power down */ + if (!phy->ops.check_reset_block(hw)) + igc_power_down_phy_copper(hw); +} + +/** + * igc_rx_fifo_flush_base - Clean Rx FIFO after Rx enable + * @hw: pointer to the HW structure + * + * After Rx enable, if manageability is enabled then there is likely some + * bad data at the start of the FIFO and possibly in the DMA FIFO. This + * function clears the FIFOs and flushes any packets that came in as Rx was + * being enabled. + **/ +void igc_rx_fifo_flush_base(struct igc_hw *hw) +{ + u32 rctl, rlpml, rxdctl[4], rfctl, temp_rctl, rx_enabled; + int i, ms_wait; + + DEBUGFUNC("igc_rx_fifo_flush_base"); + + /* disable IPv6 options as per hardware errata */ + rfctl = IGC_READ_REG(hw, IGC_RFCTL); + rfctl |= IGC_RFCTL_IPV6_EX_DIS; + IGC_WRITE_REG(hw, IGC_RFCTL, rfctl); + + if (!(IGC_READ_REG(hw, IGC_MANC) & IGC_MANC_RCV_TCO_EN)) + return; + + /* Disable all Rx queues */ + for (i = 0; i < 4; i++) { + rxdctl[i] = IGC_READ_REG(hw, IGC_RXDCTL(i)); + IGC_WRITE_REG(hw, IGC_RXDCTL(i), + rxdctl[i] & ~IGC_RXDCTL_QUEUE_ENABLE); + } + /* Poll all queues to verify they have shut down */ + for (ms_wait = 0; ms_wait < 10; ms_wait++) { + msec_delay(1); + rx_enabled = 0; + for (i = 0; i < 4; i++) + rx_enabled |= IGC_READ_REG(hw, IGC_RXDCTL(i)); + if (!(rx_enabled & IGC_RXDCTL_QUEUE_ENABLE)) + break; + } + + if (ms_wait == 10) + DEBUGOUT("Queue disable timed out after 10ms\n"); + + /* Clear RLPML, RCTL.SBP, RFCTL.LEF, and set RCTL.LPE so that all + * incoming packets are rejected. Set enable and wait 2ms so that + * any packet that was coming in as RCTL.EN was set is flushed + */ + IGC_WRITE_REG(hw, IGC_RFCTL, rfctl & ~IGC_RFCTL_LEF); + + rlpml = IGC_READ_REG(hw, IGC_RLPML); + IGC_WRITE_REG(hw, IGC_RLPML, 0); + + rctl = IGC_READ_REG(hw, IGC_RCTL); + temp_rctl = rctl & ~(IGC_RCTL_EN | IGC_RCTL_SBP); + temp_rctl |= IGC_RCTL_LPE; + + IGC_WRITE_REG(hw, IGC_RCTL, temp_rctl); + IGC_WRITE_REG(hw, IGC_RCTL, temp_rctl | IGC_RCTL_EN); + IGC_WRITE_FLUSH(hw); + msec_delay(2); + + /* Enable Rx queues that were previously enabled and restore our + * previous state + */ + for (i = 0; i < 4; i++) + IGC_WRITE_REG(hw, IGC_RXDCTL(i), rxdctl[i]); + IGC_WRITE_REG(hw, IGC_RCTL, rctl); + IGC_WRITE_FLUSH(hw); + + IGC_WRITE_REG(hw, IGC_RLPML, rlpml); + IGC_WRITE_REG(hw, IGC_RFCTL, rfctl); + + /* Flush receive errors generated by workaround */ + IGC_READ_REG(hw, IGC_ROC); + IGC_READ_REG(hw, IGC_RNBC); + IGC_READ_REG(hw, IGC_MPC); +} diff --git a/drivers/net/igc/base/igc_base.h b/drivers/net/igc/base/igc_base.h new file mode 100644 index 0000000000..2817a29b39 --- /dev/null +++ b/drivers/net/igc/base/igc_base.h @@ -0,0 +1,127 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_BASE_H_ +#define _IGC_BASE_H_ + +/* forward declaration */ +s32 igc_init_hw_base(struct igc_hw *hw); +void igc_power_down_phy_copper_base(struct igc_hw *hw); +void igc_rx_fifo_flush_base(struct igc_hw *hw); +s32 igc_acquire_phy_base(struct igc_hw *hw); +void igc_release_phy_base(struct igc_hw *hw); + +/* Transmit Descriptor - Advanced */ +union igc_adv_tx_desc { + struct { + __le64 buffer_addr; /* Address of descriptor's data buf */ + __le32 cmd_type_len; + __le32 olinfo_status; + } read; + struct { + __le64 rsvd; /* Reserved */ + __le32 nxtseq_seed; + __le32 status; + } wb; +}; + +/* Context descriptors */ +struct igc_adv_tx_context_desc { + __le32 vlan_macip_lens; + union { + __le32 launch_time; + __le32 seqnum_seed; + } u; + __le32 type_tucmd_mlhl; + __le32 mss_l4len_idx; +}; + +/* Adv Transmit Descriptor Config Masks */ +#define IGC_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */ +#define IGC_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */ +#define IGC_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */ +#define IGC_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */ +#define IGC_ADVTXD_DCMD_RS 0x08000000 /* Report Status */ +#define IGC_ADVTXD_DCMD_DDTYP_ISCSI 0x10000000 /* DDP hdr type or iSCSI */ +#define IGC_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */ +#define IGC_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */ +#define IGC_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */ +#define IGC_ADVTXD_MAC_LINKSEC 0x00040000 /* Apply LinkSec on pkt */ +#define IGC_ADVTXD_MAC_TSTAMP 0x00080000 /* IEEE1588 Timestamp pkt */ +#define IGC_ADVTXD_STAT_SN_CRC 0x00000002 /* NXTSEQ/SEED prsnt in WB */ +#define IGC_ADVTXD_IDX_SHIFT 4 /* Adv desc Index shift */ +#define IGC_ADVTXD_POPTS_ISCO_1ST 0x00000000 /* 1st TSO of iSCSI PDU */ +#define IGC_ADVTXD_POPTS_ISCO_MDL 0x00000800 /* Middle TSO of iSCSI PDU */ +#define IGC_ADVTXD_POPTS_ISCO_LAST 0x00001000 /* Last TSO of iSCSI PDU */ +/* 1st & Last TSO-full iSCSI PDU*/ +#define IGC_ADVTXD_POPTS_ISCO_FULL 0x00001800 +#define IGC_ADVTXD_POPTS_IPSEC 0x00000400 /* IPSec offload request */ +#define IGC_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */ + +/* Advanced Transmit Context Descriptor Config */ +#define IGC_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */ +#define IGC_ADVTXD_VLAN_SHIFT 16 /* Adv ctxt vlan tag shift */ +#define IGC_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */ +#define IGC_ADVTXD_TUCMD_IPV6 0x00000000 /* IP Packet Type: 0=IPv6 */ +#define IGC_ADVTXD_TUCMD_L4T_UDP 0x00000000 /* L4 Packet TYPE of UDP */ +#define IGC_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */ +#define IGC_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 Packet TYPE of SCTP */ +#define IGC_ADVTXD_TUCMD_IPSEC_TYPE_ESP 0x00002000 /* IPSec Type ESP */ +/* IPSec Encrypt Enable for ESP */ +#define IGC_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN 0x00004000 +/* Req requires Markers and CRC */ +#define IGC_ADVTXD_TUCMD_MKRREQ 0x00002000 +#define IGC_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */ +#define IGC_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */ +/* Adv ctxt IPSec SA IDX mask */ +#define IGC_ADVTXD_IPSEC_SA_INDEX_MASK 0x000000FF +/* Adv ctxt IPSec ESP len mask */ +#define IGC_ADVTXD_IPSEC_ESP_LEN_MASK 0x000000FF + +#define IGC_RAR_ENTRIES_BASE 16 + +/* Receive Descriptor - Advanced */ +union igc_adv_rx_desc { + struct { + __le64 pkt_addr; /* Packet buffer address */ + __le64 hdr_addr; /* Header buffer address */ + } read; + struct { + struct { + union { + __le32 data; + struct { + __le16 pkt_info; /*RSS type, Pkt type*/ + /* Split Header, header buffer len */ + __le16 hdr_info; + } hs_rss; + } lo_dword; + union { + __le32 rss; /* RSS Hash */ + struct { + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ + } csum_ip; + } hi_dword; + } lower; + struct { + __le32 status_error; /* ext status/error */ + __le16 length; /* Packet length */ + __le16 vlan; /* VLAN tag */ + } upper; + } wb; /* writeback */ +}; + +/* Additional Transmit Descriptor Control definitions */ +#define IGC_TXDCTL_QUEUE_ENABLE 0x02000000 /* Ena specific Tx Queue */ + +/* Additional Receive Descriptor Control definitions */ +#define IGC_RXDCTL_QUEUE_ENABLE 0x02000000 /* Ena specific Rx Queue */ + +/* SRRCTL bit definitions */ +#define IGC_SRRCTL_BSIZEPKT_SHIFT 10 /* Shift _right_ */ +#define IGC_SRRCTL_BSIZEHDRSIZE_SHIFT 2 /* Shift _left_ */ +#define IGC_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000 + +#endif /* _IGC_BASE_H_ */ diff --git a/drivers/net/igc/base/igc_defines.h b/drivers/net/igc/base/igc_defines.h new file mode 100644 index 0000000000..b9e2916fd6 --- /dev/null +++ b/drivers/net/igc/base/igc_defines.h @@ -0,0 +1,1649 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_DEFINES_H_ +#define _IGC_DEFINES_H_ + +/* Number of Transmit and Receive Descriptors must be a multiple of 8 */ +#define REQ_TX_DESCRIPTOR_MULTIPLE 8 +#define REQ_RX_DESCRIPTOR_MULTIPLE 8 + +/* Definitions for power management and wakeup registers */ +/* Wake Up Control */ +#define IGC_WUC_APME 0x00000001 /* APM Enable */ +#define IGC_WUC_PME_EN 0x00000002 /* PME Enable */ +#define IGC_WUC_PME_STATUS 0x00000004 /* PME Status */ +#define IGC_WUC_APMPME 0x00000008 /* Assert PME on APM Wakeup */ +#define IGC_WUC_PHY_WAKE 0x00000100 /* if PHY supports wakeup */ + +/* Wake Up Filter Control */ +#define IGC_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ +#define IGC_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ +#define IGC_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ +#define IGC_WUFC_MC 0x00000008 /* Directed Multicast Wakeup Enable */ +#define IGC_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ +#define IGC_WUFC_ARP 0x00000020 /* ARP Request Packet Wakeup Enable */ +#define IGC_WUFC_IPV4 0x00000040 /* Directed IPv4 Packet Wakeup Enable */ +#define IGC_WUFC_FLX0 0x00010000 /* Flexible Filter 0 Enable */ + +/* Wake Up Status */ +#define IGC_WUS_LNKC IGC_WUFC_LNKC +#define IGC_WUS_MAG IGC_WUFC_MAG +#define IGC_WUS_EX IGC_WUFC_EX +#define IGC_WUS_MC IGC_WUFC_MC +#define IGC_WUS_BC IGC_WUFC_BC + +/* Extended Device Control */ +#define IGC_CTRL_EXT_LPCD 0x00000004 /* LCD Power Cycle Done */ +#define IGC_CTRL_EXT_SDP4_DATA 0x00000010 /* SW Definable Pin 4 data */ +#define IGC_CTRL_EXT_SDP6_DATA 0x00000040 /* SW Definable Pin 6 data */ +#define IGC_CTRL_EXT_SDP3_DATA 0x00000080 /* SW Definable Pin 3 data */ +/* SDP 4/5 (bits 8,9) are reserved in >= 82575 */ +#define IGC_CTRL_EXT_SDP4_DIR 0x00000100 /* Direction of SDP4 0=in 1=out */ +#define IGC_CTRL_EXT_SDP6_DIR 0x00000400 /* Direction of SDP6 0=in 1=out */ +#define IGC_CTRL_EXT_SDP3_DIR 0x00000800 /* Direction of SDP3 0=in 1=out */ +#define IGC_CTRL_EXT_FORCE_SMBUS 0x00000800 /* Force SMBus mode */ +#define IGC_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */ +/* Physical Func Reset Done Indication */ +#define IGC_CTRL_EXT_PFRSTD 0x00004000 +#define IGC_CTRL_EXT_SDLPE 0X00040000 /* SerDes Low Power Enable */ +#define IGC_CTRL_EXT_SPD_BYPS 0x00008000 /* Speed Select Bypass */ +#define IGC_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */ +#define IGC_CTRL_EXT_DMA_DYN_CLK_EN 0x00080000 /* DMA Dynamic Clk Gating */ +#define IGC_CTRL_EXT_LINK_MODE_MASK 0x00C00000 +/* Offset of the link mode field in Ctrl Ext register */ +#define IGC_CTRL_EXT_LINK_MODE_OFFSET 22 +#define IGC_CTRL_EXT_LINK_MODE_1000BASE_KX 0x00400000 +#define IGC_CTRL_EXT_LINK_MODE_GMII 0x00000000 +#define IGC_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000 +#define IGC_CTRL_EXT_LINK_MODE_SGMII 0x00800000 +#define IGC_CTRL_EXT_EIAME 0x01000000 +#define IGC_CTRL_EXT_IRCA 0x00000001 +#define IGC_CTRL_EXT_DRV_LOAD 0x10000000 /* Drv loaded bit for FW */ +#define IGC_CTRL_EXT_IAME 0x08000000 /* Int ACK Auto-mask */ +#define IGC_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */ +#define IGC_CTRL_EXT_LSECCK 0x00001000 +#define IGC_CTRL_EXT_PHYPDEN 0x00100000 +#define IGC_I2CCMD_REG_ADDR_SHIFT 16 +#define IGC_I2CCMD_PHY_ADDR_SHIFT 24 +#define IGC_I2CCMD_OPCODE_READ 0x08000000 +#define IGC_I2CCMD_OPCODE_WRITE 0x00000000 +#define IGC_I2CCMD_READY 0x20000000 +#define IGC_I2CCMD_ERROR 0x80000000 +#define IGC_I2CCMD_SFP_DATA_ADDR(a) (0x0000 + (a)) +#define IGC_I2CCMD_SFP_DIAG_ADDR(a) (0x0100 + (a)) +#define IGC_MAX_SGMII_PHY_REG_ADDR 255 +#define IGC_I2CCMD_PHY_TIMEOUT 200 +#define IGC_IVAR_VALID 0x80 +#define IGC_GPIE_NSICR 0x00000001 +#define IGC_GPIE_MSIX_MODE 0x00000010 +#define IGC_GPIE_EIAME 0x40000000 +#define IGC_GPIE_PBA 0x80000000 + +/* Receive Descriptor bit definitions */ +#define IGC_RXD_STAT_DD 0x01 /* Descriptor Done */ +#define IGC_RXD_STAT_EOP 0x02 /* End of Packet */ +#define IGC_RXD_STAT_IXSM 0x04 /* Ignore checksum */ +#define IGC_RXD_STAT_VP 0x08 /* IEEE VLAN Packet */ +#define IGC_RXD_STAT_UDPCS 0x10 /* UDP xsum calculated */ +#define IGC_RXD_STAT_TCPCS 0x20 /* TCP xsum calculated */ +#define IGC_RXD_STAT_IPCS 0x40 /* IP xsum calculated */ +#define IGC_RXD_STAT_PIF 0x80 /* passed in-exact filter */ +#define IGC_RXD_STAT_IPIDV 0x200 /* IP identification valid */ +#define IGC_RXD_STAT_UDPV 0x400 /* Valid UDP checksum */ +#define IGC_RXD_STAT_DYNINT 0x800 /* Pkt caused INT via DYNINT */ +#define IGC_RXD_ERR_CE 0x01 /* CRC Error */ +#define IGC_RXD_ERR_SE 0x02 /* Symbol Error */ +#define IGC_RXD_ERR_SEQ 0x04 /* Sequence Error */ +#define IGC_RXD_ERR_CXE 0x10 /* Carrier Extension Error */ +#define IGC_RXD_ERR_TCPE 0x20 /* TCP/UDP Checksum Error */ +#define IGC_RXD_ERR_IPE 0x40 /* IP Checksum Error */ +#define IGC_RXD_ERR_RXE 0x80 /* Rx Data Error */ +#define IGC_RXD_SPC_VLAN_MASK 0x0FFF /* VLAN ID is in lower 12 bits */ + +#define IGC_RXDEXT_STATERR_TST 0x00000100 /* Time Stamp taken */ +#define IGC_RXDEXT_STATERR_LB 0x00040000 +#define IGC_RXDEXT_STATERR_CE 0x01000000 +#define IGC_RXDEXT_STATERR_SE 0x02000000 +#define IGC_RXDEXT_STATERR_SEQ 0x04000000 +#define IGC_RXDEXT_STATERR_CXE 0x10000000 +#define IGC_RXDEXT_STATERR_TCPE 0x20000000 +#define IGC_RXDEXT_STATERR_IPE 0x40000000 +#define IGC_RXDEXT_STATERR_RXE 0x80000000 + +/* mask to determine if packets should be dropped due to frame errors */ +#define IGC_RXD_ERR_FRAME_ERR_MASK ( \ + IGC_RXD_ERR_CE | \ + IGC_RXD_ERR_SE | \ + IGC_RXD_ERR_SEQ | \ + IGC_RXD_ERR_CXE | \ + IGC_RXD_ERR_RXE) + +/* Same mask, but for extended and packet split descriptors */ +#define IGC_RXDEXT_ERR_FRAME_ERR_MASK ( \ + IGC_RXDEXT_STATERR_CE | \ + IGC_RXDEXT_STATERR_SE | \ + IGC_RXDEXT_STATERR_SEQ | \ + IGC_RXDEXT_STATERR_CXE | \ + IGC_RXDEXT_STATERR_RXE) + +#define IGC_MRQC_ENABLE_RSS_2Q 0x00000001 +#define IGC_MRQC_RSS_FIELD_MASK 0xFFFF0000 +#define IGC_MRQC_RSS_FIELD_IPV4_TCP 0x00010000 +#define IGC_MRQC_RSS_FIELD_IPV4 0x00020000 +#define IGC_MRQC_RSS_FIELD_IPV6_TCP_EX 0x00040000 +#define IGC_MRQC_RSS_FIELD_IPV6 0x00100000 +#define IGC_MRQC_RSS_FIELD_IPV6_TCP 0x00200000 + +#define IGC_RXDPS_HDRSTAT_HDRSP 0x00008000 + +/* Management Control */ +#define IGC_MANC_SMBUS_EN 0x00000001 /* SMBus Enabled - RO */ +#define IGC_MANC_ASF_EN 0x00000002 /* ASF Enabled - RO */ +#define IGC_MANC_ARP_EN 0x00002000 /* Enable ARP Request Filtering */ +#define IGC_MANC_RCV_TCO_EN 0x00020000 /* Receive TCO Packets Enabled */ +#define IGC_MANC_BLK_PHY_RST_ON_IDE 0x00040000 /* Block phy resets */ +/* Enable MAC address filtering */ +#define IGC_MANC_EN_MAC_ADDR_FILTER 0x00100000 +/* Enable MNG packets to host memory */ +#define IGC_MANC_EN_MNG2HOST 0x00200000 + +#define IGC_MANC2H_PORT_623 0x00000020 /* Port 0x26f */ +#define IGC_MANC2H_PORT_664 0x00000040 /* Port 0x298 */ +#define IGC_MDEF_PORT_623 0x00000800 /* Port 0x26f */ +#define IGC_MDEF_PORT_664 0x00000400 /* Port 0x298 */ + +/* Receive Control */ +#define IGC_RCTL_RST 0x00000001 /* Software reset */ +#define IGC_RCTL_EN 0x00000002 /* enable */ +#define IGC_RCTL_SBP 0x00000004 /* store bad packet */ +#define IGC_RCTL_UPE 0x00000008 /* unicast promisc enable */ +#define IGC_RCTL_MPE 0x00000010 /* multicast promisc enable */ +#define IGC_RCTL_LPE 0x00000020 /* long packet enable */ +#define IGC_RCTL_LBM_NO 0x00000000 /* no loopback mode */ +#define IGC_RCTL_LBM_MAC 0x00000040 /* MAC loopback mode */ +#define IGC_RCTL_LBM_TCVR 0x000000C0 /* tcvr loopback mode */ +#define IGC_RCTL_DTYP_PS 0x00000400 /* Packet Split descriptor */ +#define IGC_RCTL_RDMTS_HALF 0x00000000 /* Rx desc min thresh size */ +#define IGC_RCTL_RDMTS_HEX 0x00010000 +#define IGC_RCTL_RDMTS1_HEX IGC_RCTL_RDMTS_HEX +#define IGC_RCTL_MO_SHIFT 12 /* multicast offset shift */ +#define IGC_RCTL_MO_3 0x00003000 /* multicast offset 15:4 */ +#define IGC_RCTL_BAM 0x00008000 /* broadcast enable */ +/* these buffer sizes are valid if IGC_RCTL_BSEX is 0 */ +#define IGC_RCTL_SZ_2048 0x00000000 /* Rx buffer size 2048 */ +#define IGC_RCTL_SZ_1024 0x00010000 /* Rx buffer size 1024 */ +#define IGC_RCTL_SZ_512 0x00020000 /* Rx buffer size 512 */ +#define IGC_RCTL_SZ_256 0x00030000 /* Rx buffer size 256 */ +/* these buffer sizes are valid if IGC_RCTL_BSEX is 1 */ +#define IGC_RCTL_SZ_16384 0x00010000 /* Rx buffer size 16384 */ +#define IGC_RCTL_SZ_8192 0x00020000 /* Rx buffer size 8192 */ +#define IGC_RCTL_SZ_4096 0x00030000 /* Rx buffer size 4096 */ +#define IGC_RCTL_VFE 0x00040000 /* vlan filter enable */ +#define IGC_RCTL_CFIEN 0x00080000 /* canonical form enable */ +#define IGC_RCTL_CFI 0x00100000 /* canonical form indicator */ +#define IGC_RCTL_DPF 0x00400000 /* discard pause frames */ +#define IGC_RCTL_PMCF 0x00800000 /* pass MAC control frames */ +#define IGC_RCTL_BSEX 0x02000000 /* Buffer size extension */ +#define IGC_RCTL_SECRC 0x04000000 /* Strip Ethernet CRC */ + +/* Use byte values for the following shift parameters + * Usage: + * psrctl |= (((ROUNDUP(value0, 128) >> IGC_PSRCTL_BSIZE0_SHIFT) & + * IGC_PSRCTL_BSIZE0_MASK) | + * ((ROUNDUP(value1, 1024) >> IGC_PSRCTL_BSIZE1_SHIFT) & + * IGC_PSRCTL_BSIZE1_MASK) | + * ((ROUNDUP(value2, 1024) << IGC_PSRCTL_BSIZE2_SHIFT) & + * IGC_PSRCTL_BSIZE2_MASK) | + * ((ROUNDUP(value3, 1024) << IGC_PSRCTL_BSIZE3_SHIFT) |; + * IGC_PSRCTL_BSIZE3_MASK)) + * where value0 = [128..16256], default=256 + * value1 = [1024..64512], default=4096 + * value2 = [0..64512], default=4096 + * value3 = [0..64512], default=0 + */ + +#define IGC_PSRCTL_BSIZE0_MASK 0x0000007F +#define IGC_PSRCTL_BSIZE1_MASK 0x00003F00 +#define IGC_PSRCTL_BSIZE2_MASK 0x003F0000 +#define IGC_PSRCTL_BSIZE3_MASK 0x3F000000 + +#define IGC_PSRCTL_BSIZE0_SHIFT 7 /* Shift _right_ 7 */ +#define IGC_PSRCTL_BSIZE1_SHIFT 2 /* Shift _right_ 2 */ +#define IGC_PSRCTL_BSIZE2_SHIFT 6 /* Shift _left_ 6 */ +#define IGC_PSRCTL_BSIZE3_SHIFT 14 /* Shift _left_ 14 */ + +/* SWFW_SYNC Definitions */ +#define IGC_SWFW_EEP_SM 0x01 +#define IGC_SWFW_PHY0_SM 0x02 +#define IGC_SWFW_PHY1_SM 0x04 +#define IGC_SWFW_CSR_SM 0x08 +#define IGC_SWFW_PHY2_SM 0x20 +#define IGC_SWFW_PHY3_SM 0x40 +#define IGC_SWFW_SW_MNG_SM 0x400 + +/* Device Control */ +#define IGC_CTRL_FD 0x00000001 /* Full duplex.0=half; 1=full */ +#define IGC_CTRL_PRIOR 0x00000004 /* Priority on PCI. 0=rx,1=fair */ +#define IGC_CTRL_GIO_MASTER_DISABLE 0x00000004 /*Blocks new Master reqs */ +#define IGC_CTRL_LRST 0x00000008 /* Link reset. 0=normal,1=reset */ +#define IGC_CTRL_ASDE 0x00000020 /* Auto-speed detect enable */ +#define IGC_CTRL_SLU 0x00000040 /* Set link up (Force Link) */ +#define IGC_CTRL_ILOS 0x00000080 /* Invert Loss-Of Signal */ +#define IGC_CTRL_SPD_SEL 0x00000300 /* Speed Select Mask */ +#define IGC_CTRL_SPD_10 0x00000000 /* Force 10Mb */ +#define IGC_CTRL_SPD_100 0x00000100 /* Force 100Mb */ +#define IGC_CTRL_SPD_1000 0x00000200 /* Force 1Gb */ +#define IGC_CTRL_FRCSPD 0x00000800 /* Force Speed */ +#define IGC_CTRL_FRCDPX 0x00001000 /* Force Duplex */ +#define IGC_CTRL_LANPHYPC_OVERRIDE 0x00010000 /* SW control of LANPHYPC */ +#define IGC_CTRL_LANPHYPC_VALUE 0x00020000 /* SW value of LANPHYPC */ +#define IGC_CTRL_MEHE 0x00080000 /* Memory Error Handling Enable */ +#define IGC_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */ +#define IGC_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */ +#define IGC_CTRL_SWDPIN2 0x00100000 /* SWDPIN 2 value */ +#define IGC_CTRL_ADVD3WUC 0x00100000 /* D3 WUC */ +#define IGC_CTRL_EN_PHY_PWR_MGMT 0x00200000 /* PHY PM enable */ +#define IGC_CTRL_SWDPIN3 0x00200000 /* SWDPIN 3 value */ +#define IGC_CTRL_SWDPIO0 0x00400000 /* SWDPIN 0 Input or output */ +#define IGC_CTRL_SWDPIO2 0x01000000 /* SWDPIN 2 input or output */ +#define IGC_CTRL_SWDPIO3 0x02000000 /* SWDPIN 3 input or output */ +#define IGC_CTRL_DEV_RST 0x20000000 /* Device reset */ +#define IGC_CTRL_RST 0x04000000 /* Global reset */ +#define IGC_CTRL_RFCE 0x08000000 /* Receive Flow Control enable */ +#define IGC_CTRL_TFCE 0x10000000 /* Transmit flow control enable */ +#define IGC_CTRL_VME 0x40000000 /* IEEE VLAN mode enable */ +#define IGC_CTRL_PHY_RST 0x80000000 /* PHY Reset */ +#define IGC_CTRL_I2C_ENA 0x02000000 /* I2C enable */ + +#define IGC_CTRL_MDIO_DIR IGC_CTRL_SWDPIO2 +#define IGC_CTRL_MDIO IGC_CTRL_SWDPIN2 +#define IGC_CTRL_MDC_DIR IGC_CTRL_SWDPIO3 +#define IGC_CTRL_MDC IGC_CTRL_SWDPIN3 + +#define IGC_CONNSW_AUTOSENSE_EN 0x1 +#define IGC_CONNSW_ENRGSRC 0x4 +#define IGC_CONNSW_PHYSD 0x400 +#define IGC_CONNSW_PHY_PDN 0x800 +#define IGC_CONNSW_SERDESD 0x200 +#define IGC_CONNSW_AUTOSENSE_CONF 0x2 +#define IGC_PCS_CFG_PCS_EN 8 +#define IGC_PCS_LCTL_FLV_LINK_UP 1 +#define IGC_PCS_LCTL_FSV_10 0 +#define IGC_PCS_LCTL_FSV_100 2 +#define IGC_PCS_LCTL_FSV_1000 4 +#define IGC_PCS_LCTL_FDV_FULL 8 +#define IGC_PCS_LCTL_FSD 0x10 +#define IGC_PCS_LCTL_FORCE_LINK 0x20 +#define IGC_PCS_LCTL_FORCE_FCTRL 0x80 +#define IGC_PCS_LCTL_AN_ENABLE 0x10000 +#define IGC_PCS_LCTL_AN_RESTART 0x20000 +#define IGC_PCS_LCTL_AN_TIMEOUT 0x40000 +#define IGC_ENABLE_SERDES_LOOPBACK 0x0410 + +#define IGC_PCS_LSTS_LINK_OK 1 +#define IGC_PCS_LSTS_SPEED_100 2 +#define IGC_PCS_LSTS_SPEED_1000 4 +#define IGC_PCS_LSTS_DUPLEX_FULL 8 +#define IGC_PCS_LSTS_SYNK_OK 0x10 +#define IGC_PCS_LSTS_AN_COMPLETE 0x10000 + +/* Device Status */ +#define IGC_STATUS_FD 0x00000001 /* Duplex 0=half 1=full */ +#define IGC_STATUS_LU 0x00000002 /* Link up.0=no,1=link */ +#define IGC_STATUS_FUNC_MASK 0x0000000C /* PCI Function Mask */ +#define IGC_STATUS_FUNC_SHIFT 2 +#define IGC_STATUS_FUNC_1 0x00000004 /* Function 1 */ +#define IGC_STATUS_TXOFF 0x00000010 /* transmission paused */ +#define IGC_STATUS_SPEED_MASK 0x000000C0 +#define IGC_STATUS_SPEED_10 0x00000000 /* Speed 10Mb/s */ +#define IGC_STATUS_SPEED_100 0x00000040 /* Speed 100Mb/s */ +#define IGC_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */ +/* Speed 2.5Gb/s indication for I225 */ +#define IGC_STATUS_SPEED_2500 0x00400000 +#define IGC_STATUS_LAN_INIT_DONE 0x00000200 /* Lan Init Compltn by NVM */ +#define IGC_STATUS_PHYRA 0x00000400 /* PHY Reset Asserted */ +#define IGC_STATUS_GIO_MASTER_ENABLE 0x00080000 /* Master request status */ +#define IGC_STATUS_PCI66 0x00000800 /* In 66Mhz slot */ +#define IGC_STATUS_BUS64 0x00001000 /* In 64 bit slot */ +#define IGC_STATUS_2P5_SKU 0x00001000 /* Val of 2.5GBE SKU strap */ +#define IGC_STATUS_2P5_SKU_OVER 0x00002000 /* Val of 2.5GBE SKU Over */ +#define IGC_STATUS_PCIX_MODE 0x00002000 /* PCI-X mode */ +#define IGC_STATUS_PCIX_SPEED 0x0000C000 /* PCI-X bus speed */ + +/* Constants used to interpret the masked PCI-X bus speed. */ +#define IGC_STATUS_PCIX_SPEED_66 0x00000000 /* PCI-X bus spd 50-66MHz */ +#define IGC_STATUS_PCIX_SPEED_100 0x00004000 /* PCI-X bus spd 66-100MHz */ +#define IGC_STATUS_PCIX_SPEED_133 0x00008000 /* PCI-X bus spd 100-133MHz*/ +#define IGC_STATUS_PCIM_STATE 0x40000000 /* PCIm function state */ + +#define SPEED_10 10 +#define SPEED_100 100 +#define SPEED_1000 1000 +#define SPEED_2500 2500 +#define HALF_DUPLEX 1 +#define FULL_DUPLEX 2 + +#define PHY_FORCE_TIME 20 + +#define ADVERTISE_10_HALF 0x0001 +#define ADVERTISE_10_FULL 0x0002 +#define ADVERTISE_100_HALF 0x0004 +#define ADVERTISE_100_FULL 0x0008 +#define ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */ +#define ADVERTISE_1000_FULL 0x0020 +#define ADVERTISE_2500_HALF 0x0040 /* NOT used, just FYI */ +#define ADVERTISE_2500_FULL 0x0080 + +/* 1000/H is not supported, nor spec-compliant. */ +#define IGC_ALL_SPEED_DUPLEX ( \ + ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \ + ADVERTISE_100_FULL | ADVERTISE_1000_FULL) +#define IGC_ALL_SPEED_DUPLEX_2500 ( \ + ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \ + ADVERTISE_100_FULL | ADVERTISE_1000_FULL | ADVERTISE_2500_FULL) +#define IGC_ALL_NOT_GIG ( \ + ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \ + ADVERTISE_100_FULL) +#define IGC_ALL_100_SPEED (ADVERTISE_100_HALF | ADVERTISE_100_FULL) +#define IGC_ALL_10_SPEED (ADVERTISE_10_HALF | ADVERTISE_10_FULL) +#define IGC_ALL_HALF_DUPLEX (ADVERTISE_10_HALF | ADVERTISE_100_HALF) + +#define AUTONEG_ADVERTISE_SPEED_DEFAULT IGC_ALL_SPEED_DUPLEX +#define AUTONEG_ADVERTISE_SPEED_DEFAULT_2500 IGC_ALL_SPEED_DUPLEX_2500 + +/* LED Control */ +#define IGC_PHY_LED0_MODE_MASK 0x00000007 +#define IGC_PHY_LED0_IVRT 0x00000008 +#define IGC_PHY_LED0_MASK 0x0000001F + +#define IGC_LEDCTL_LED0_MODE_MASK 0x0000000F +#define IGC_LEDCTL_LED0_MODE_SHIFT 0 +#define IGC_LEDCTL_LED0_IVRT 0x00000040 +#define IGC_LEDCTL_LED0_BLINK 0x00000080 + +#define IGC_LEDCTL_MODE_LINK_UP 0x2 +#define IGC_LEDCTL_MODE_LED_ON 0xE +#define IGC_LEDCTL_MODE_LED_OFF 0xF + +/* Transmit Descriptor bit definitions */ +#define IGC_TXD_DTYP_D 0x00100000 /* Data Descriptor */ +#define IGC_TXD_DTYP_C 0x00000000 /* Context Descriptor */ +#define IGC_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */ +#define IGC_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */ +#define IGC_TXD_CMD_EOP 0x01000000 /* End of Packet */ +#define IGC_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */ +#define IGC_TXD_CMD_IC 0x04000000 /* Insert Checksum */ +#define IGC_TXD_CMD_RS 0x08000000 /* Report Status */ +#define IGC_TXD_CMD_RPS 0x10000000 /* Report Packet Sent */ +#define IGC_TXD_CMD_DEXT 0x20000000 /* Desc extension (0 = legacy) */ +#define IGC_TXD_CMD_VLE 0x40000000 /* Add VLAN tag */ +#define IGC_TXD_CMD_IDE 0x80000000 /* Enable Tidv register */ +#define IGC_TXD_STAT_DD 0x00000001 /* Descriptor Done */ +#define IGC_TXD_STAT_EC 0x00000002 /* Excess Collisions */ +#define IGC_TXD_STAT_LC 0x00000004 /* Late Collisions */ +#define IGC_TXD_STAT_TU 0x00000008 /* Transmit underrun */ +#define IGC_TXD_CMD_TCP 0x01000000 /* TCP packet */ +#define IGC_TXD_CMD_IP 0x02000000 /* IP packet */ +#define IGC_TXD_CMD_TSE 0x04000000 /* TCP Seg enable */ +#define IGC_TXD_STAT_TC 0x00000004 /* Tx Underrun */ +#define IGC_TXD_EXTCMD_TSTAMP 0x00000010 /* IEEE1588 Timestamp packet */ + +/* Transmit Control */ +#define IGC_TCTL_EN 0x00000002 /* enable Tx */ +#define IGC_TCTL_PSP 0x00000008 /* pad short packets */ +#define IGC_TCTL_CT 0x00000ff0 /* collision threshold */ +#define IGC_TCTL_COLD 0x003ff000 /* collision distance */ +#define IGC_TCTL_RTLC 0x01000000 /* Re-transmit on late collision */ +#define IGC_TCTL_MULR 0x10000000 /* Multiple request support */ + +/* Transmit Arbitration Count */ +#define IGC_TARC0_ENABLE 0x00000400 /* Enable Tx Queue 0 */ + +/* SerDes Control */ +#define IGC_SCTL_DISABLE_SERDES_LOOPBACK 0x0400 +#define IGC_SCTL_ENABLE_SERDES_LOOPBACK 0x0410 + +/* Receive Checksum Control */ +#define IGC_RXCSUM_IPOFL 0x00000100 /* IPv4 checksum offload */ +#define IGC_RXCSUM_TUOFL 0x00000200 /* TCP / UDP checksum offload */ +#define IGC_RXCSUM_CRCOFL 0x00000800 /* CRC32 offload enable */ +#define IGC_RXCSUM_IPPCSE 0x00001000 /* IP payload checksum enable */ +#define IGC_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */ + +/* GPY211 - I225 defines */ +#define GPY_MMD_MASK 0xFFFF0000 +#define GPY_MMD_SHIFT 16 +#define GPY_REG_MASK 0x0000FFFF +/* Header split receive */ +#define IGC_RFCTL_NFSW_DIS 0x00000040 +#define IGC_RFCTL_NFSR_DIS 0x00000080 +#define IGC_RFCTL_ACK_DIS 0x00001000 +#define IGC_RFCTL_EXTEN 0x00008000 +#define IGC_RFCTL_IPV6_EX_DIS 0x00010000 +#define IGC_RFCTL_NEW_IPV6_EXT_DIS 0x00020000 +#define IGC_RFCTL_LEF 0x00040000 + +/* Collision related configuration parameters */ +#define IGC_CT_SHIFT 4 +#define IGC_COLLISION_THRESHOLD 15 +#define IGC_COLLISION_DISTANCE 63 +#define IGC_COLD_SHIFT 12 + +/* Default values for the transmit IPG register */ +#define DEFAULT_82542_TIPG_IPGT 10 +#define DEFAULT_82543_TIPG_IPGT_FIBER 9 +#define DEFAULT_82543_TIPG_IPGT_COPPER 8 + +#define IGC_TIPG_IPGT_MASK 0x000003FF + +#define DEFAULT_82542_TIPG_IPGR1 2 +#define DEFAULT_82543_TIPG_IPGR1 8 +#define IGC_TIPG_IPGR1_SHIFT 10 + +#define DEFAULT_82542_TIPG_IPGR2 10 +#define DEFAULT_82543_TIPG_IPGR2 6 +#define DEFAULT_80003ES2LAN_TIPG_IPGR2 7 +#define IGC_TIPG_IPGR2_SHIFT 20 + +/* Ethertype field values */ +#define ETHERNET_IEEE_VLAN_TYPE 0x8100 /* 802.3ac packet */ + +#define ETHERNET_FCS_SIZE 4 +#define MAX_JUMBO_FRAME_SIZE 0x3F00 +/* The datasheet maximum supported RX size is 9.5KB (9728 bytes) */ +#define MAX_RX_JUMBO_FRAME_SIZE 0x2600 +#define IGC_TX_PTR_GAP 0x1F + +/* Extended Configuration Control and Size */ +#define IGC_EXTCNF_CTRL_MDIO_SW_OWNERSHIP 0x00000020 +#define IGC_EXTCNF_CTRL_LCD_WRITE_ENABLE 0x00000001 +#define IGC_EXTCNF_CTRL_OEM_WRITE_ENABLE 0x00000008 +#define IGC_EXTCNF_CTRL_SWFLAG 0x00000020 +#define IGC_EXTCNF_CTRL_GATE_PHY_CFG 0x00000080 +#define IGC_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK 0x00FF0000 +#define IGC_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT 16 +#define IGC_EXTCNF_CTRL_EXT_CNF_POINTER_MASK 0x0FFF0000 +#define IGC_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT 16 + +#define IGC_PHY_CTRL_D0A_LPLU 0x00000002 +#define IGC_PHY_CTRL_NOND0A_LPLU 0x00000004 +#define IGC_PHY_CTRL_NOND0A_GBE_DISABLE 0x00000008 +#define IGC_PHY_CTRL_GBE_DISABLE 0x00000040 + +#define IGC_KABGTXD_BGSQLBIAS 0x00050000 + +/* Low Power IDLE Control */ +#define IGC_LPIC_LPIET_SHIFT 24 /* Low Power Idle Entry Time */ + +/* PBA constants */ +#define IGC_PBA_8K 0x0008 /* 8KB */ +#define IGC_PBA_10K 0x000A /* 10KB */ +#define IGC_PBA_12K 0x000C /* 12KB */ +#define IGC_PBA_14K 0x000E /* 14KB */ +#define IGC_PBA_16K 0x0010 /* 16KB */ +#define IGC_PBA_18K 0x0012 +#define IGC_PBA_20K 0x0014 +#define IGC_PBA_22K 0x0016 +#define IGC_PBA_24K 0x0018 +#define IGC_PBA_26K 0x001A +#define IGC_PBA_30K 0x001E +#define IGC_PBA_32K 0x0020 +#define IGC_PBA_34K 0x0022 +#define IGC_PBA_35K 0x0023 +#define IGC_PBA_38K 0x0026 +#define IGC_PBA_40K 0x0028 +#define IGC_PBA_48K 0x0030 /* 48KB */ +#define IGC_PBA_64K 0x0040 /* 64KB */ + +#define IGC_PBA_RXA_MASK 0xFFFF + +#define IGC_PBS_16K IGC_PBA_16K + +/* Uncorrectable/correctable ECC Error counts and enable bits */ +#define IGC_PBECCSTS_CORR_ERR_CNT_MASK 0x000000FF +#define IGC_PBECCSTS_UNCORR_ERR_CNT_MASK 0x0000FF00 +#define IGC_PBECCSTS_UNCORR_ERR_CNT_SHIFT 8 +#define IGC_PBECCSTS_ECC_ENABLE 0x00010000 + +#define IFS_MAX 80 +#define IFS_MIN 40 +#define IFS_RATIO 4 +#define IFS_STEP 10 +#define MIN_NUM_XMITS 1000 + +/* SW Semaphore Register */ +#define IGC_SWSM_SMBI 0x00000001 /* Driver Semaphore bit */ +#define IGC_SWSM_SWESMBI 0x00000002 /* FW Semaphore bit */ +#define IGC_SWSM_DRV_LOAD 0x00000008 /* Driver Loaded Bit */ + +#define IGC_SWSM2_LOCK 0x00000002 /* Secondary driver semaphore bit */ + +/* Interrupt Cause Read */ +#define IGC_ICR_TXDW 0x00000001 /* Transmit desc written back */ +#define IGC_ICR_TXQE 0x00000002 /* Transmit Queue empty */ +#define IGC_ICR_LSC 0x00000004 /* Link Status Change */ +#define IGC_ICR_RXSEQ 0x00000008 /* Rx sequence error */ +#define IGC_ICR_RXDMT0 0x00000010 /* Rx desc min. threshold (0) */ +#define IGC_ICR_RXO 0x00000040 /* Rx overrun */ +#define IGC_ICR_RXT0 0x00000080 /* Rx timer intr (ring 0) */ +#define IGC_ICR_VMMB 0x00000100 /* VM MB event */ +#define IGC_ICR_RXCFG 0x00000400 /* Rx /c/ ordered set */ +#define IGC_ICR_GPI_EN0 0x00000800 /* GP Int 0 */ +#define IGC_ICR_GPI_EN1 0x00001000 /* GP Int 1 */ +#define IGC_ICR_GPI_EN2 0x00002000 /* GP Int 2 */ +#define IGC_ICR_GPI_EN3 0x00004000 /* GP Int 3 */ +#define IGC_ICR_TXD_LOW 0x00008000 +#define IGC_ICR_MNG 0x00040000 /* Manageability event */ +#define IGC_ICR_ECCER 0x00400000 /* Uncorrectable ECC Error */ +#define IGC_ICR_TS 0x00080000 /* Time Sync Interrupt */ +#define IGC_ICR_DRSTA 0x40000000 /* Device Reset Asserted */ +/* If this bit asserted, the driver should claim the interrupt */ +#define IGC_ICR_INT_ASSERTED 0x80000000 +#define IGC_ICR_DOUTSYNC 0x10000000 /* NIC DMA out of sync */ +#define IGC_ICR_RXQ0 0x00100000 /* Rx Queue 0 Interrupt */ +#define IGC_ICR_RXQ1 0x00200000 /* Rx Queue 1 Interrupt */ +#define IGC_ICR_TXQ0 0x00400000 /* Tx Queue 0 Interrupt */ +#define IGC_ICR_TXQ1 0x00800000 /* Tx Queue 1 Interrupt */ +#define IGC_ICR_OTHER 0x01000000 /* Other Interrupts */ +#define IGC_ICR_FER 0x00400000 /* Fatal Error */ + +#define IGC_ICR_THS 0x00800000 /* ICR.THS: Thermal Sensor Event*/ +#define IGC_ICR_MDDET 0x10000000 /* Malicious Driver Detect */ + +/* PBA ECC Register */ +#define IGC_PBA_ECC_COUNTER_MASK 0xFFF00000 /* ECC counter mask */ +#define IGC_PBA_ECC_COUNTER_SHIFT 20 /* ECC counter shift value */ +#define IGC_PBA_ECC_CORR_EN 0x00000001 /* Enable ECC error correction */ +#define IGC_PBA_ECC_STAT_CLR 0x00000002 /* Clear ECC error counter */ +#define IGC_PBA_ECC_INT_EN 0x00000004 /* Enable ICR bit 5 on ECC error */ + +/* Extended Interrupt Cause Read */ +#define IGC_EICR_RX_QUEUE0 0x00000001 /* Rx Queue 0 Interrupt */ +#define IGC_EICR_RX_QUEUE1 0x00000002 /* Rx Queue 1 Interrupt */ +#define IGC_EICR_RX_QUEUE2 0x00000004 /* Rx Queue 2 Interrupt */ +#define IGC_EICR_RX_QUEUE3 0x00000008 /* Rx Queue 3 Interrupt */ +#define IGC_EICR_TX_QUEUE0 0x00000100 /* Tx Queue 0 Interrupt */ +#define IGC_EICR_TX_QUEUE1 0x00000200 /* Tx Queue 1 Interrupt */ +#define IGC_EICR_TX_QUEUE2 0x00000400 /* Tx Queue 2 Interrupt */ +#define IGC_EICR_TX_QUEUE3 0x00000800 /* Tx Queue 3 Interrupt */ +#define IGC_EICR_TCP_TIMER 0x40000000 /* TCP Timer */ +#define IGC_EICR_OTHER 0x80000000 /* Interrupt Cause Active */ +/* TCP Timer */ +#define IGC_TCPTIMER_KS 0x00000100 /* KickStart */ +#define IGC_TCPTIMER_COUNT_ENABLE 0x00000200 /* Count Enable */ +#define IGC_TCPTIMER_COUNT_FINISH 0x00000400 /* Count finish */ +#define IGC_TCPTIMER_LOOP 0x00000800 /* Loop */ + +/* This defines the bits that are set in the Interrupt Mask + * Set/Read Register. Each bit is documented below: + * o RXT0 = Receiver Timer Interrupt (ring 0) + * o TXDW = Transmit Descriptor Written Back + * o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0) + * o RXSEQ = Receive Sequence Error + * o LSC = Link Status Change + */ +#define IMS_ENABLE_MASK ( \ + IGC_IMS_RXT0 | \ + IGC_IMS_TXDW | \ + IGC_IMS_RXDMT0 | \ + IGC_IMS_RXSEQ | \ + IGC_IMS_LSC) + +/* Interrupt Mask Set */ +#define IGC_IMS_TXDW IGC_ICR_TXDW /* Tx desc written back */ +#define IGC_IMS_TXQE IGC_ICR_TXQE /* Transmit Queue empty */ +#define IGC_IMS_LSC IGC_ICR_LSC /* Link Status Change */ +#define IGC_IMS_VMMB IGC_ICR_VMMB /* Mail box activity */ +#define IGC_IMS_RXSEQ IGC_ICR_RXSEQ /* Rx sequence error */ +#define IGC_IMS_RXDMT0 IGC_ICR_RXDMT0 /* Rx desc min. threshold */ +#define IGC_QVECTOR_MASK 0x7FFC /* Q-vector mask */ +#define IGC_ITR_VAL_MASK 0x04 /* ITR value mask */ +#define IGC_IMS_RXO IGC_ICR_RXO /* Rx overrun */ +#define IGC_IMS_RXT0 IGC_ICR_RXT0 /* Rx timer intr */ +#define IGC_IMS_TXD_LOW IGC_ICR_TXD_LOW +#define IGC_IMS_ECCER IGC_ICR_ECCER /* Uncorrectable ECC Error */ +#define IGC_IMS_TS IGC_ICR_TS /* Time Sync Interrupt */ +#define IGC_IMS_DRSTA IGC_ICR_DRSTA /* Device Reset Asserted */ +#define IGC_IMS_DOUTSYNC IGC_ICR_DOUTSYNC /* NIC DMA out of sync */ +#define IGC_IMS_RXQ0 IGC_ICR_RXQ0 /* Rx Queue 0 Interrupt */ +#define IGC_IMS_RXQ1 IGC_ICR_RXQ1 /* Rx Queue 1 Interrupt */ +#define IGC_IMS_TXQ0 IGC_ICR_TXQ0 /* Tx Queue 0 Interrupt */ +#define IGC_IMS_TXQ1 IGC_ICR_TXQ1 /* Tx Queue 1 Interrupt */ +#define IGC_IMS_OTHER IGC_ICR_OTHER /* Other Interrupts */ +#define IGC_IMS_FER IGC_ICR_FER /* Fatal Error */ + +#define IGC_IMS_THS IGC_ICR_THS /* ICR.TS: Thermal Sensor Event*/ +#define IGC_IMS_MDDET IGC_ICR_MDDET /* Malicious Driver Detect */ +/* Extended Interrupt Mask Set */ +#define IGC_EIMS_RX_QUEUE0 IGC_EICR_RX_QUEUE0 /* Rx Queue 0 Interrupt */ +#define IGC_EIMS_RX_QUEUE1 IGC_EICR_RX_QUEUE1 /* Rx Queue 1 Interrupt */ +#define IGC_EIMS_RX_QUEUE2 IGC_EICR_RX_QUEUE2 /* Rx Queue 2 Interrupt */ +#define IGC_EIMS_RX_QUEUE3 IGC_EICR_RX_QUEUE3 /* Rx Queue 3 Interrupt */ +#define IGC_EIMS_TX_QUEUE0 IGC_EICR_TX_QUEUE0 /* Tx Queue 0 Interrupt */ +#define IGC_EIMS_TX_QUEUE1 IGC_EICR_TX_QUEUE1 /* Tx Queue 1 Interrupt */ +#define IGC_EIMS_TX_QUEUE2 IGC_EICR_TX_QUEUE2 /* Tx Queue 2 Interrupt */ +#define IGC_EIMS_TX_QUEUE3 IGC_EICR_TX_QUEUE3 /* Tx Queue 3 Interrupt */ +#define IGC_EIMS_TCP_TIMER IGC_EICR_TCP_TIMER /* TCP Timer */ +#define IGC_EIMS_OTHER IGC_EICR_OTHER /* Interrupt Cause Active */ + +/* Interrupt Cause Set */ +#define IGC_ICS_LSC IGC_ICR_LSC /* Link Status Change */ +#define IGC_ICS_RXSEQ IGC_ICR_RXSEQ /* Rx sequence error */ +#define IGC_ICS_RXDMT0 IGC_ICR_RXDMT0 /* Rx desc min. threshold */ +#define IGC_ICS_DRSTA IGC_ICR_DRSTA /* Device Reset Aserted */ + +/* Extended Interrupt Cause Set */ +#define IGC_EICS_RX_QUEUE0 IGC_EICR_RX_QUEUE0 /* Rx Queue 0 Interrupt */ +#define IGC_EICS_RX_QUEUE1 IGC_EICR_RX_QUEUE1 /* Rx Queue 1 Interrupt */ +#define IGC_EICS_RX_QUEUE2 IGC_EICR_RX_QUEUE2 /* Rx Queue 2 Interrupt */ +#define IGC_EICS_RX_QUEUE3 IGC_EICR_RX_QUEUE3 /* Rx Queue 3 Interrupt */ +#define IGC_EICS_TX_QUEUE0 IGC_EICR_TX_QUEUE0 /* Tx Queue 0 Interrupt */ +#define IGC_EICS_TX_QUEUE1 IGC_EICR_TX_QUEUE1 /* Tx Queue 1 Interrupt */ +#define IGC_EICS_TX_QUEUE2 IGC_EICR_TX_QUEUE2 /* Tx Queue 2 Interrupt */ +#define IGC_EICS_TX_QUEUE3 IGC_EICR_TX_QUEUE3 /* Tx Queue 3 Interrupt */ +#define IGC_EICS_TCP_TIMER IGC_EICR_TCP_TIMER /* TCP Timer */ +#define IGC_EICS_OTHER IGC_EICR_OTHER /* Interrupt Cause Active */ + +#define IGC_EITR_ITR_INT_MASK 0x0000FFFF +#define IGC_EITR_INTERVAL 0x00007FFC +/* IGC_EITR_CNT_IGNR is only for 82576 and newer */ +#define IGC_EITR_CNT_IGNR 0x80000000 /* Don't reset counters on write */ + +/* Transmit Descriptor Control */ +#define IGC_TXDCTL_PTHRESH 0x0000003F /* TXDCTL Prefetch Threshold */ +#define IGC_TXDCTL_HTHRESH 0x00003F00 /* TXDCTL Host Threshold */ +#define IGC_TXDCTL_WTHRESH 0x003F0000 /* TXDCTL Writeback Threshold */ +#define IGC_TXDCTL_GRAN 0x01000000 /* TXDCTL Granularity */ +#define IGC_TXDCTL_FULL_TX_DESC_WB 0x01010000 /* GRAN=1, WTHRESH=1 */ +#define IGC_TXDCTL_MAX_TX_DESC_PREFETCH 0x0100001F /* GRAN=1, PTHRESH=31 */ +/* Enable the counting of descriptors still to be processed. */ +#define IGC_TXDCTL_COUNT_DESC 0x00400000 + +/* Flow Control Constants */ +#define FLOW_CONTROL_ADDRESS_LOW 0x00C28001 +#define FLOW_CONTROL_ADDRESS_HIGH 0x00000100 +#define FLOW_CONTROL_TYPE 0x8808 + +/* 802.1q VLAN Packet Size */ +#define VLAN_TAG_SIZE 4 /* 802.3ac tag (not DMA'd) */ +#define IGC_VLAN_FILTER_TBL_SIZE 128 /* VLAN Filter Table (4096 bits) */ + +/* Receive Address + * Number of high/low register pairs in the RAR. The RAR (Receive Address + * Registers) holds the directed and multicast addresses that we monitor. + * Technically, we have 16 spots. However, we reserve one of these spots + * (RAR[15]) for our directed address used by controllers with + * manageability enabled, allowing us room for 15 multicast addresses. + */ +#define IGC_RAR_ENTRIES 15 +#define IGC_RAH_AV 0x80000000 /* Receive descriptor valid */ +#define IGC_RAL_MAC_ADDR_LEN 4 +#define IGC_RAH_MAC_ADDR_LEN 2 +#define IGC_RAH_QUEUE_MASK_82575 0x000C0000 +#define IGC_RAH_POOL_1 0x00040000 + +/* Error Codes */ +#define IGC_SUCCESS 0 +#define IGC_ERR_NVM 1 +#define IGC_ERR_PHY 2 +#define IGC_ERR_CONFIG 3 +#define IGC_ERR_PARAM 4 +#define IGC_ERR_MAC_INIT 5 +#define IGC_ERR_PHY_TYPE 6 +#define IGC_ERR_RESET 9 +#define IGC_ERR_MASTER_REQUESTS_PENDING 10 +#define IGC_ERR_HOST_INTERFACE_COMMAND 11 +#define IGC_BLK_PHY_RESET 12 +#define IGC_ERR_SWFW_SYNC 13 +#define IGC_NOT_IMPLEMENTED 14 +#define IGC_ERR_MBX 15 +#define IGC_ERR_INVALID_ARGUMENT 16 +#define IGC_ERR_NO_SPACE 17 +#define IGC_ERR_NVM_PBA_SECTION 18 +#define IGC_ERR_I2C 19 +#define IGC_ERR_INVM_VALUE_NOT_FOUND 20 + +/* Loop limit on how long we wait for auto-negotiation to complete */ +#define FIBER_LINK_UP_LIMIT 50 +#define COPPER_LINK_UP_LIMIT 10 +#define PHY_AUTO_NEG_LIMIT 45 +#define PHY_FORCE_LIMIT 20 +/* Number of 100 microseconds we wait for PCI Express master disable */ +#define MASTER_DISABLE_TIMEOUT 800 +/* Number of milliseconds we wait for PHY configuration done after MAC reset */ +#define PHY_CFG_TIMEOUT 100 +/* Number of 2 milliseconds we wait for acquiring MDIO ownership. */ +#define MDIO_OWNERSHIP_TIMEOUT 10 +/* Number of milliseconds for NVM auto read done after MAC reset. */ +#define AUTO_READ_DONE_TIMEOUT 10 + +/* Flow Control */ +#define IGC_FCRTH_RTH 0x0000FFF8 /* Mask Bits[15:3] for RTH */ +#define IGC_FCRTL_RTL 0x0000FFF8 /* Mask Bits[15:3] for RTL */ +#define IGC_FCRTL_XONE 0x80000000 /* Enable XON frame transmission */ + +/* Transmit Configuration Word */ +#define IGC_TXCW_FD 0x00000020 /* TXCW full duplex */ +#define IGC_TXCW_PAUSE 0x00000080 /* TXCW sym pause request */ +#define IGC_TXCW_ASM_DIR 0x00000100 /* TXCW astm pause direction */ +#define IGC_TXCW_PAUSE_MASK 0x00000180 /* TXCW pause request mask */ +#define IGC_TXCW_ANE 0x80000000 /* Auto-neg enable */ + +/* Receive Configuration Word */ +#define IGC_RXCW_CW 0x0000ffff /* RxConfigWord mask */ +#define IGC_RXCW_IV 0x08000000 /* Receive config invalid */ +#define IGC_RXCW_C 0x20000000 /* Receive config */ +#define IGC_RXCW_SYNCH 0x40000000 /* Receive config synch */ + +#define IGC_TSYNCTXCTL_VALID 0x00000001 /* Tx timestamp valid */ +#define IGC_TSYNCTXCTL_ENABLED 0x00000010 /* enable Tx timestamping */ + +/* HH Time Sync */ +#define IGC_TSYNCTXCTL_MAX_ALLOWED_DLY_MASK 0x0000F000 /* max delay */ +#define IGC_TSYNCTXCTL_SYNC_COMP_ERR 0x20000000 /* sync err */ +#define IGC_TSYNCTXCTL_SYNC_COMP 0x40000000 /* sync complete */ +#define IGC_TSYNCTXCTL_START_SYNC 0x80000000 /* initiate sync */ + +#define IGC_TSYNCRXCTL_VALID 0x00000001 /* Rx timestamp valid */ +#define IGC_TSYNCRXCTL_TYPE_MASK 0x0000000E /* Rx type mask */ +#define IGC_TSYNCRXCTL_TYPE_L2_V2 0x00 +#define IGC_TSYNCRXCTL_TYPE_L4_V1 0x02 +#define IGC_TSYNCRXCTL_TYPE_L2_L4_V2 0x04 +#define IGC_TSYNCRXCTL_TYPE_ALL 0x08 +#define IGC_TSYNCRXCTL_TYPE_EVENT_V2 0x0A +#define IGC_TSYNCRXCTL_ENABLED 0x00000010 /* enable Rx timestamping */ +#define IGC_TSYNCRXCTL_SYSCFI 0x00000020 /* Sys clock frequency */ + +#define IGC_RXMTRL_PTP_V1_SYNC_MESSAGE 0x00000000 +#define IGC_RXMTRL_PTP_V1_DELAY_REQ_MESSAGE 0x00010000 + +#define IGC_RXMTRL_PTP_V2_SYNC_MESSAGE 0x00000000 +#define IGC_RXMTRL_PTP_V2_DELAY_REQ_MESSAGE 0x01000000 + +#define IGC_TSYNCRXCFG_PTP_V1_CTRLT_MASK 0x000000FF +#define IGC_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE 0x00 +#define IGC_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE 0x01 +#define IGC_TSYNCRXCFG_PTP_V1_FOLLOWUP_MESSAGE 0x02 +#define IGC_TSYNCRXCFG_PTP_V1_DELAY_RESP_MESSAGE 0x03 +#define IGC_TSYNCRXCFG_PTP_V1_MANAGEMENT_MESSAGE 0x04 + +#define IGC_TSYNCRXCFG_PTP_V2_MSGID_MASK 0x00000F00 +#define IGC_TSYNCRXCFG_PTP_V2_SYNC_MESSAGE 0x0000 +#define IGC_TSYNCRXCFG_PTP_V2_DELAY_REQ_MESSAGE 0x0100 +#define IGC_TSYNCRXCFG_PTP_V2_PATH_DELAY_REQ_MESSAGE 0x0200 +#define IGC_TSYNCRXCFG_PTP_V2_PATH_DELAY_RESP_MESSAGE 0x0300 +#define IGC_TSYNCRXCFG_PTP_V2_FOLLOWUP_MESSAGE 0x0800 +#define IGC_TSYNCRXCFG_PTP_V2_DELAY_RESP_MESSAGE 0x0900 +#define IGC_TSYNCRXCFG_PTP_V2_PATH_DELAY_FOLLOWUP_MESSAGE 0x0A00 +#define IGC_TSYNCRXCFG_PTP_V2_ANNOUNCE_MESSAGE 0x0B00 +#define IGC_TSYNCRXCFG_PTP_V2_SIGNALLING_MESSAGE 0x0C00 +#define IGC_TSYNCRXCFG_PTP_V2_MANAGEMENT_MESSAGE 0x0D00 + +#define IGC_TIMINCA_16NS_SHIFT 24 +#define IGC_TIMINCA_INCPERIOD_SHIFT 24 +#define IGC_TIMINCA_INCVALUE_MASK 0x00FFFFFF + +/* Time Sync Interrupt Cause/Mask Register Bits */ +#define TSINTR_SYS_WRAP (1 << 0) /* SYSTIM Wrap around. */ +#define TSINTR_TXTS (1 << 1) /* Transmit Timestamp. */ +#define TSINTR_TT0 (1 << 3) /* Target Time 0 Trigger. */ +#define TSINTR_TT1 (1 << 4) /* Target Time 1 Trigger. */ +#define TSINTR_AUTT0 (1 << 5) /* Auxiliary Timestamp 0 Taken. */ +#define TSINTR_AUTT1 (1 << 6) /* Auxiliary Timestamp 1 Taken. */ + +#define TSYNC_INTERRUPTS TSINTR_TXTS + +/* TSAUXC Configuration Bits */ +#define TSAUXC_EN_TT0 (1 << 0) /* Enable target time 0. */ +#define TSAUXC_EN_TT1 (1 << 1) /* Enable target time 1. */ +#define TSAUXC_EN_CLK0 (1 << 2) /* Enable Configurable Frequency Clock 0. */ +#define TSAUXC_ST0 (1 << 4) /* Start Clock 0 Toggle on Target Time 0. */ +#define TSAUXC_EN_CLK1 (1 << 5) /* Enable Configurable Frequency Clock 1. */ +#define TSAUXC_ST1 (1 << 7) /* Start Clock 1 Toggle on Target Time 1. */ +#define TSAUXC_EN_TS0 (1 << 8) /* Enable hardware timestamp 0. */ +#define TSAUXC_EN_TS1 (1 << 10) /* Enable hardware timestamp 0. */ + +/* SDP Configuration Bits */ +#define AUX0_SEL_SDP0 (0u << 0) /* Assign SDP0 to auxiliary time stamp 0. */ +#define AUX0_SEL_SDP1 (1u << 0) /* Assign SDP1 to auxiliary time stamp 0. */ +#define AUX0_SEL_SDP2 (2u << 0) /* Assign SDP2 to auxiliary time stamp 0. */ +#define AUX0_SEL_SDP3 (3u << 0) /* Assign SDP3 to auxiliary time stamp 0. */ +#define AUX0_TS_SDP_EN (1u << 2) /* Enable auxiliary time stamp trigger 0. */ +#define AUX1_SEL_SDP0 (0u << 3) /* Assign SDP0 to auxiliary time stamp 1. */ +#define AUX1_SEL_SDP1 (1u << 3) /* Assign SDP1 to auxiliary time stamp 1. */ +#define AUX1_SEL_SDP2 (2u << 3) /* Assign SDP2 to auxiliary time stamp 1. */ +#define AUX1_SEL_SDP3 (3u << 3) /* Assign SDP3 to auxiliary time stamp 1. */ +#define AUX1_TS_SDP_EN (1u << 5) /* Enable auxiliary time stamp trigger 1. */ +#define TS_SDP0_EN (1u << 8) /* SDP0 is assigned to Tsync. */ +#define TS_SDP1_EN (1u << 11) /* SDP1 is assigned to Tsync. */ +#define TS_SDP2_EN (1u << 14) /* SDP2 is assigned to Tsync. */ +#define TS_SDP3_EN (1u << 17) /* SDP3 is assigned to Tsync. */ +#define TS_SDP0_SEL_TT0 (0u << 6) /* Target time 0 is output on SDP0. */ +#define TS_SDP0_SEL_TT1 (1u << 6) /* Target time 1 is output on SDP0. */ +#define TS_SDP1_SEL_TT0 (0u << 9) /* Target time 0 is output on SDP1. */ +#define TS_SDP1_SEL_TT1 (1u << 9) /* Target time 1 is output on SDP1. */ +#define TS_SDP0_SEL_FC0 (2u << 6) /* Freq clock 0 is output on SDP0. */ +#define TS_SDP0_SEL_FC1 (3u << 6) /* Freq clock 1 is output on SDP0. */ +#define TS_SDP1_SEL_FC0 (2u << 9) /* Freq clock 0 is output on SDP1. */ +#define TS_SDP1_SEL_FC1 (3u << 9) /* Freq clock 1 is output on SDP1. */ +#define TS_SDP2_SEL_TT0 (0u << 12) /* Target time 0 is output on SDP2. */ +#define TS_SDP2_SEL_TT1 (1u << 12) /* Target time 1 is output on SDP2. */ +#define TS_SDP2_SEL_FC0 (2u << 12) /* Freq clock 0 is output on SDP2. */ +#define TS_SDP2_SEL_FC1 (3u << 12) /* Freq clock 1 is output on SDP2. */ +#define TS_SDP3_SEL_TT0 (0u << 15) /* Target time 0 is output on SDP3. */ +#define TS_SDP3_SEL_TT1 (1u << 15) /* Target time 1 is output on SDP3. */ +#define TS_SDP3_SEL_FC0 (2u << 15) /* Freq clock 0 is output on SDP3. */ +#define TS_SDP3_SEL_FC1 (3u << 15) /* Freq clock 1 is output on SDP3. */ + +#define IGC_CTRL_SDP0_DIR 0x00400000 /* SDP0 Data direction */ +#define IGC_CTRL_SDP1_DIR 0x00800000 /* SDP1 Data direction */ + +/* Extended Device Control */ +#define IGC_CTRL_EXT_SDP2_DIR 0x00000400 /* SDP2 Data direction */ + +/* ETQF register bit definitions */ +#define IGC_ETQF_1588 (1 << 30) +#define IGC_FTQF_VF_BP 0x00008000 +#define IGC_FTQF_1588_TIME_STAMP 0x08000000 +#define IGC_FTQF_MASK 0xF0000000 +#define IGC_FTQF_MASK_PROTO_BP 0x10000000 +/* Immediate Interrupt Rx (A.K.A. Low Latency Interrupt) */ +#define IGC_IMIREXT_CTRL_BP 0x00080000 /* Bypass check of ctrl bits */ +#define IGC_IMIREXT_SIZE_BP 0x00001000 /* Packet size bypass */ + +#define IGC_RXDADV_STAT_TSIP 0x08000 /* timestamp in packet */ +#define IGC_TSICR_TXTS 0x00000002 +#define IGC_TSIM_TXTS 0x00000002 +/* TUPLE Filtering Configuration */ +#define IGC_TTQF_DISABLE_MASK 0xF0008000 /* TTQF Disable Mask */ +#define IGC_TTQF_QUEUE_ENABLE 0x100 /* TTQF Queue Enable Bit */ +#define IGC_TTQF_PROTOCOL_MASK 0xFF /* TTQF Protocol Mask */ +/* TTQF TCP Bit, shift with IGC_TTQF_PROTOCOL SHIFT */ +#define IGC_TTQF_PROTOCOL_TCP 0x0 +/* TTQF UDP Bit, shift with IGC_TTQF_PROTOCOL_SHIFT */ +#define IGC_TTQF_PROTOCOL_UDP 0x1 +/* TTQF SCTP Bit, shift with IGC_TTQF_PROTOCOL_SHIFT */ +#define IGC_TTQF_PROTOCOL_SCTP 0x2 +#define IGC_TTQF_PROTOCOL_SHIFT 5 /* TTQF Protocol Shift */ +#define IGC_TTQF_QUEUE_SHIFT 16 /* TTQF Queue Shfit */ +#define IGC_TTQF_RX_QUEUE_MASK 0x70000 /* TTQF Queue Mask */ +#define IGC_TTQF_MASK_ENABLE 0x10000000 /* TTQF Mask Enable Bit */ +#define IGC_IMIR_CLEAR_MASK 0xF001FFFF /* IMIR Reg Clear Mask */ +#define IGC_IMIR_PORT_BYPASS 0x20000 /* IMIR Port Bypass Bit */ +#define IGC_IMIR_PRIORITY_SHIFT 29 /* IMIR Priority Shift */ +#define IGC_IMIREXT_CLEAR_MASK 0x7FFFF /* IMIREXT Reg Clear Mask */ + +#define IGC_MDICNFG_EXT_MDIO 0x80000000 /* MDI ext/int destination */ +#define IGC_MDICNFG_COM_MDIO 0x40000000 /* MDI shared w/ lan 0 */ +#define IGC_MDICNFG_PHY_MASK 0x03E00000 +#define IGC_MDICNFG_PHY_SHIFT 21 + +#define IGC_MEDIA_PORT_COPPER 1 +#define IGC_MEDIA_PORT_OTHER 2 +#define IGC_M88E1112_AUTO_COPPER_SGMII 0x2 +#define IGC_M88E1112_AUTO_COPPER_BASEX 0x3 +#define IGC_M88E1112_STATUS_LINK 0x0004 /* Interface Link Bit */ +#define IGC_M88E1112_MAC_CTRL_1 0x10 +#define IGC_M88E1112_MAC_CTRL_1_MODE_MASK 0x0380 /* Mode Select */ +#define IGC_M88E1112_MAC_CTRL_1_MODE_SHIFT 7 +#define IGC_M88E1112_PAGE_ADDR 0x16 +#define IGC_M88E1112_STATUS 0x01 + +#define IGC_THSTAT_LOW_EVENT 0x20000000 /* Low thermal threshold */ +#define IGC_THSTAT_MID_EVENT 0x00200000 /* Mid thermal threshold */ +#define IGC_THSTAT_HIGH_EVENT 0x00002000 /* High thermal threshold */ +#define IGC_THSTAT_PWR_DOWN 0x00000001 /* Power Down Event */ +#define IGC_THSTAT_LINK_THROTTLE 0x00000002 /* Link Spd Throttle Event */ + +/* EEE defines */ +#define IGC_IPCNFG_EEE_2_5G_AN 0x00000010 /* IPCNFG EEE Ena 2.5G AN */ +#define IGC_IPCNFG_EEE_1G_AN 0x00000008 /* IPCNFG EEE Ena 1G AN */ +#define IGC_IPCNFG_EEE_100M_AN 0x00000004 /* IPCNFG EEE Ena 100M AN */ +#define IGC_EEER_TX_LPI_EN 0x00010000 /* EEER Tx LPI Enable */ +#define IGC_EEER_RX_LPI_EN 0x00020000 /* EEER Rx LPI Enable */ +#define IGC_EEER_LPI_FC 0x00040000 /* EEER Ena on Flow Cntrl */ +/* EEE status */ +#define IGC_EEER_EEE_NEG 0x20000000 /* EEE capability nego */ +#define IGC_EEER_RX_LPI_STATUS 0x40000000 /* Rx in LPI state */ +#define IGC_EEER_TX_LPI_STATUS 0x80000000 /* Tx in LPI state */ +#define IGC_EEE_LP_ADV_ADDR_I350 0x040F /* EEE LP Advertisement */ +#define IGC_M88E1543_PAGE_ADDR 0x16 /* Page Offset Register */ +#define IGC_M88E1543_EEE_CTRL_1 0x0 +#define IGC_M88E1543_EEE_CTRL_1_MS 0x0001 /* EEE Master/Slave */ +#define IGC_M88E1543_FIBER_CTRL 0x0 /* Fiber Control Register */ +#define IGC_EEE_ADV_DEV_I354 7 +#define IGC_EEE_ADV_ADDR_I354 60 +#define IGC_EEE_ADV_100_SUPPORTED (1 << 1) /* 100BaseTx EEE Supported */ +#define IGC_EEE_ADV_1000_SUPPORTED (1 << 2) /* 1000BaseT EEE Supported */ +#define IGC_PCS_STATUS_DEV_I354 3 +#define IGC_PCS_STATUS_ADDR_I354 1 +#define IGC_PCS_STATUS_RX_LPI_RCVD 0x0400 +#define IGC_PCS_STATUS_TX_LPI_RCVD 0x0800 +#define IGC_M88E1512_CFG_REG_1 0x0010 +#define IGC_M88E1512_CFG_REG_2 0x0011 +#define IGC_M88E1512_CFG_REG_3 0x0007 +#define IGC_M88E1512_MODE 0x0014 +#define IGC_EEE_SU_LPI_CLK_STP 0x00800000 /* EEE LPI Clock Stop */ +#define IGC_EEE_LP_ADV_DEV_I210 7 /* EEE LP Adv Device */ +#define IGC_EEE_LP_ADV_ADDR_I210 61 /* EEE LP Adv Register */ +#define IGC_EEE_SU_LPI_CLK_STP 0x00800000 /* EEE LPI Clock Stop */ +#define IGC_EEE_LP_ADV_DEV_I225 7 /* EEE LP Adv Device */ +#define IGC_EEE_LP_ADV_ADDR_I225 61 /* EEE LP Adv Register */ + +/* PCI Express Control */ +#define IGC_GCR_RXD_NO_SNOOP 0x00000001 +#define IGC_GCR_RXDSCW_NO_SNOOP 0x00000002 +#define IGC_GCR_RXDSCR_NO_SNOOP 0x00000004 +#define IGC_GCR_TXD_NO_SNOOP 0x00000008 +#define IGC_GCR_TXDSCW_NO_SNOOP 0x00000010 +#define IGC_GCR_TXDSCR_NO_SNOOP 0x00000020 +#define IGC_GCR_CMPL_TMOUT_MASK 0x0000F000 +#define IGC_GCR_CMPL_TMOUT_10ms 0x00001000 +#define IGC_GCR_CMPL_TMOUT_RESEND 0x00010000 +#define IGC_GCR_CAP_VER2 0x00040000 + +#define PCIE_NO_SNOOP_ALL (IGC_GCR_RXD_NO_SNOOP | \ + IGC_GCR_RXDSCW_NO_SNOOP | \ + IGC_GCR_RXDSCR_NO_SNOOP | \ + IGC_GCR_TXD_NO_SNOOP | \ + IGC_GCR_TXDSCW_NO_SNOOP | \ + IGC_GCR_TXDSCR_NO_SNOOP) + +#define IGC_MMDAC_FUNC_DATA 0x4000 /* Data, no post increment */ + +/* mPHY address control and data registers */ +#define IGC_MPHY_ADDR_CTL 0x0024 /* Address Control Reg */ +#define IGC_MPHY_ADDR_CTL_OFFSET_MASK 0xFFFF0000 +#define IGC_MPHY_DATA 0x0E10 /* Data Register */ + +/* AFE CSR Offset for PCS CLK */ +#define IGC_MPHY_PCS_CLK_REG_OFFSET 0x0004 +/* Override for near end digital loopback. */ +#define IGC_MPHY_PCS_CLK_REG_DIGINELBEN 0x10 + +/* PHY Control Register */ +#define MII_CR_SPEED_SELECT_MSB 0x0040 /* bits 6,13: 10=1000, 01=100, 00=10 */ +#define MII_CR_COLL_TEST_ENABLE 0x0080 /* Collision test enable */ +#define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */ +#define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */ +#define MII_CR_ISOLATE 0x0400 /* Isolate PHY from MII */ +#define MII_CR_POWER_DOWN 0x0800 /* Power down */ +#define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */ +#define MII_CR_SPEED_SELECT_LSB 0x2000 /* bits 6,13: 10=1000, 01=100, 00=10 */ +#define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */ +#define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */ +#define MII_CR_SPEED_1000 0x0040 +#define MII_CR_SPEED_100 0x2000 +#define MII_CR_SPEED_10 0x0000 + +/* PHY Status Register */ +#define MII_SR_EXTENDED_CAPS 0x0001 /* Extended register capabilities */ +#define MII_SR_JABBER_DETECT 0x0002 /* Jabber Detected */ +#define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */ +#define MII_SR_AUTONEG_CAPS 0x0008 /* Auto Neg Capable */ +#define MII_SR_REMOTE_FAULT 0x0010 /* Remote Fault Detect */ +#define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */ +#define MII_SR_PREAMBLE_SUPPRESS 0x0040 /* Preamble may be suppressed */ +#define MII_SR_EXTENDED_STATUS 0x0100 /* Ext. status info in Reg 0x0F */ +#define MII_SR_100T2_HD_CAPS 0x0200 /* 100T2 Half Duplex Capable */ +#define MII_SR_100T2_FD_CAPS 0x0400 /* 100T2 Full Duplex Capable */ +#define MII_SR_10T_HD_CAPS 0x0800 /* 10T Half Duplex Capable */ +#define MII_SR_10T_FD_CAPS 0x1000 /* 10T Full Duplex Capable */ +#define MII_SR_100X_HD_CAPS 0x2000 /* 100X Half Duplex Capable */ +#define MII_SR_100X_FD_CAPS 0x4000 /* 100X Full Duplex Capable */ +#define MII_SR_100T4_CAPS 0x8000 /* 100T4 Capable */ + +/* Autoneg Advertisement Register */ +#define NWAY_AR_SELECTOR_FIELD 0x0001 /* indicates IEEE 802.3 CSMA/CD */ +#define NWAY_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */ +#define NWAY_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */ +#define NWAY_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */ +#define NWAY_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */ +#define NWAY_AR_100T4_CAPS 0x0200 /* 100T4 Capable */ +#define NWAY_AR_PAUSE 0x0400 /* Pause operation desired */ +#define NWAY_AR_ASM_DIR 0x0800 /* Asymmetric Pause Direction bit */ +#define NWAY_AR_REMOTE_FAULT 0x2000 /* Remote Fault detected */ +#define NWAY_AR_NEXT_PAGE 0x8000 /* Next Page ability supported */ + +/* Link Partner Ability Register (Base Page) */ +#define NWAY_LPAR_SELECTOR_FIELD 0x0000 /* LP protocol selector field */ +#define NWAY_LPAR_10T_HD_CAPS 0x0020 /* LP 10T Half Dplx Capable */ +#define NWAY_LPAR_10T_FD_CAPS 0x0040 /* LP 10T Full Dplx Capable */ +#define NWAY_LPAR_100TX_HD_CAPS 0x0080 /* LP 100TX Half Dplx Capable */ +#define NWAY_LPAR_100TX_FD_CAPS 0x0100 /* LP 100TX Full Dplx Capable */ +#define NWAY_LPAR_100T4_CAPS 0x0200 /* LP is 100T4 Capable */ +#define NWAY_LPAR_PAUSE 0x0400 /* LP Pause operation desired */ +#define NWAY_LPAR_ASM_DIR 0x0800 /* LP Asym Pause Direction bit */ +#define NWAY_LPAR_REMOTE_FAULT 0x2000 /* LP detected Remote Fault */ +#define NWAY_LPAR_ACKNOWLEDGE 0x4000 /* LP rx'd link code word */ +#define NWAY_LPAR_NEXT_PAGE 0x8000 /* Next Page ability supported */ + +/* Autoneg Expansion Register */ +#define NWAY_ER_LP_NWAY_CAPS 0x0001 /* LP has Auto Neg Capability */ +#define NWAY_ER_PAGE_RXD 0x0002 /* LP 10T Half Dplx Capable */ +#define NWAY_ER_NEXT_PAGE_CAPS 0x0004 /* LP 10T Full Dplx Capable */ +#define NWAY_ER_LP_NEXT_PAGE_CAPS 0x0008 /* LP 100TX Half Dplx Capable */ +#define NWAY_ER_PAR_DETECT_FAULT 0x0010 /* LP 100TX Full Dplx Capable */ + +/* 1000BASE-T Control Register */ +#define CR_1000T_ASYM_PAUSE 0x0080 /* Advertise asymmetric pause bit */ +#define CR_1000T_HD_CAPS 0x0100 /* Advertise 1000T HD capability */ +#define CR_1000T_FD_CAPS 0x0200 /* Advertise 1000T FD capability */ +/* 1=Repeater/switch device port 0=DTE device */ +#define CR_1000T_REPEATER_DTE 0x0400 +/* 1=Configure PHY as Master 0=Configure PHY as Slave */ +#define CR_1000T_MS_VALUE 0x0800 +/* 1=Master/Slave manual config value 0=Automatic Master/Slave config */ +#define CR_1000T_MS_ENABLE 0x1000 +#define CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */ +#define CR_1000T_TEST_MODE_1 0x2000 /* Transmit Waveform test */ +#define CR_1000T_TEST_MODE_2 0x4000 /* Master Transmit Jitter test */ +#define CR_1000T_TEST_MODE_3 0x6000 /* Slave Transmit Jitter test */ +#define CR_1000T_TEST_MODE_4 0x8000 /* Transmitter Distortion test */ + +/* 1000BASE-T Status Register */ +#define SR_1000T_IDLE_ERROR_CNT 0x00FF /* Num idle err since last rd */ +#define SR_1000T_ASYM_PAUSE_DIR 0x0100 /* LP asym pause direction bit */ +#define SR_1000T_LP_HD_CAPS 0x0400 /* LP is 1000T HD capable */ +#define SR_1000T_LP_FD_CAPS 0x0800 /* LP is 1000T FD capable */ +#define SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */ +#define SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */ +#define SR_1000T_MS_CONFIG_RES 0x4000 /* 1=Local Tx Master, 0=Slave */ +#define SR_1000T_MS_CONFIG_FAULT 0x8000 /* Master/Slave config fault */ + +#define SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT 5 + +/* PHY 1000 MII Register/Bit Definitions */ +/* PHY Registers defined by IEEE */ +#define PHY_CONTROL 0x00 /* Control Register */ +#define PHY_STATUS 0x01 /* Status Register */ +#define PHY_ID1 0x02 /* Phy Id Reg (word 1) */ +#define PHY_ID2 0x03 /* Phy Id Reg (word 2) */ +#define PHY_AUTONEG_ADV 0x04 /* Autoneg Advertisement */ +#define PHY_LP_ABILITY 0x05 /* Link Partner Ability (Base Page) */ +#define PHY_AUTONEG_EXP 0x06 /* Autoneg Expansion Reg */ +#define PHY_NEXT_PAGE_TX 0x07 /* Next Page Tx */ +#define PHY_LP_NEXT_PAGE 0x08 /* Link Partner Next Page */ +#define PHY_1000T_CTRL 0x09 /* 1000Base-T Control Reg */ +#define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */ +#define PHY_EXT_STATUS 0x0F /* Extended Status Reg */ + +/* PHY GPY 211 registers */ +#define STANDARD_AN_REG_MASK 0x0007 /* MMD */ +#define ANEG_MULTIGBT_AN_CTRL 0x0020 /* MULTI GBT AN Control Register */ +#define MMD_DEVADDR_SHIFT 16 /* Shift MMD to higher bits */ +#define CR_2500T_FD_CAPS 0x0080 /* Advertise 2500T FD capability */ + +#define PHY_CONTROL_LB 0x4000 /* PHY Loopback bit */ + +/* NVM Control */ +#define IGC_EECD_SK 0x00000001 /* NVM Clock */ +#define IGC_EECD_CS 0x00000002 /* NVM Chip Select */ +#define IGC_EECD_DI 0x00000004 /* NVM Data In */ +#define IGC_EECD_DO 0x00000008 /* NVM Data Out */ +#define IGC_EECD_REQ 0x00000040 /* NVM Access Request */ +#define IGC_EECD_GNT 0x00000080 /* NVM Access Grant */ +#define IGC_EECD_PRES 0x00000100 /* NVM Present */ +#define IGC_EECD_SIZE 0x00000200 /* NVM Size (0=64 word 1=256 word) */ +#define IGC_EECD_BLOCKED 0x00008000 /* Bit banging access blocked flag */ +#define IGC_EECD_ABORT 0x00010000 /* NVM operation aborted flag */ +#define IGC_EECD_TIMEOUT 0x00020000 /* NVM read operation timeout flag */ +#define IGC_EECD_ERROR_CLR 0x00040000 /* NVM error status clear bit */ +/* NVM Addressing bits based on type 0=small, 1=large */ +#define IGC_EECD_ADDR_BITS 0x00000400 +#define IGC_EECD_TYPE 0x00002000 /* NVM Type (1-SPI, 0-Microwire) */ +#define IGC_NVM_GRANT_ATTEMPTS 1000 /* NVM # attempts to gain grant */ +#define IGC_EECD_AUTO_RD 0x00000200 /* NVM Auto Read done */ +#define IGC_EECD_SIZE_EX_MASK 0x00007800 /* NVM Size */ +#define IGC_EECD_SIZE_EX_SHIFT 11 +#define IGC_EECD_FLUPD 0x00080000 /* Update FLASH */ +#define IGC_EECD_AUPDEN 0x00100000 /* Ena Auto FLASH update */ +#define IGC_EECD_SEC1VAL 0x00400000 /* Sector One Valid */ +#define IGC_EECD_SEC1VAL_VALID_MASK (IGC_EECD_AUTO_RD | IGC_EECD_PRES) +#define IGC_EECD_FLUPD_I210 0x00800000 /* Update FLASH */ +#define IGC_EECD_FLUDONE_I210 0x04000000 /* Update FLASH done */ +#define IGC_EECD_FLASH_DETECTED_I210 0x00080000 /* FLASH detected */ +#define IGC_EECD_SEC1VAL_I210 0x02000000 /* Sector One Valid */ +#define IGC_FLUDONE_ATTEMPTS 20000 +#define IGC_EERD_EEWR_MAX_COUNT 512 /* buffered EEPROM words rw */ +#define IGC_I210_FIFO_SEL_RX 0x00 +#define IGC_I210_FIFO_SEL_TX_QAV(_i) (0x02 + (_i)) +#define IGC_I210_FIFO_SEL_TX_LEGACY IGC_I210_FIFO_SEL_TX_QAV(0) +#define IGC_I210_FIFO_SEL_BMC2OS_TX 0x06 +#define IGC_I210_FIFO_SEL_BMC2OS_RX 0x01 + +#define IGC_I210_FLASH_SECTOR_SIZE 0x1000 /* 4KB FLASH sector unit size */ +/* Secure FLASH mode requires removing MSb */ +#define IGC_I210_FW_PTR_MASK 0x7FFF +/* Firmware code revision field word offset*/ +#define IGC_I210_FW_VER_OFFSET 328 + +#define IGC_EECD_FLUPD_I225 0x00800000 /* Update FLASH */ +#define IGC_EECD_FLUDONE_I225 0x04000000 /* Update FLASH done */ +#define IGC_EECD_FLASH_DETECTED_I225 0x00080000 /* FLASH detected */ +#define IGC_FLUDONE_ATTEMPTS 20000 +#define IGC_EERD_EEWR_MAX_COUNT 512 /* buffered EEPROM words rw */ +#define IGC_EECD_SEC1VAL_I225 0x02000000 /* Sector One Valid */ +#define IGC_FLSECU_BLK_SW_ACCESS_I225 0x00000004 /* Block SW access */ +#define IGC_FWSM_FW_VALID_I225 0x8000 /* FW valid bit */ + +#define IGC_NVM_RW_REG_DATA 16 /* Offset to data in NVM read/write regs */ +#define IGC_NVM_RW_REG_DONE 2 /* Offset to READ/WRITE done bit */ +#define IGC_NVM_RW_REG_START 1 /* Start operation */ +#define IGC_NVM_RW_ADDR_SHIFT 2 /* Shift to the address bits */ +#define IGC_NVM_POLL_WRITE 1 /* Flag for polling for write complete */ +#define IGC_NVM_POLL_READ 0 /* Flag for polling for read complete */ +#define IGC_FLASH_UPDATES 2000 + +/* NVM Word Offsets */ +#define NVM_COMPAT 0x0003 +#define NVM_ID_LED_SETTINGS 0x0004 +#define NVM_VERSION 0x0005 +#define NVM_SERDES_AMPLITUDE 0x0006 /* SERDES output amplitude */ +#define NVM_PHY_CLASS_WORD 0x0007 +#define IGC_I210_NVM_FW_MODULE_PTR 0x0010 +#define IGC_I350_NVM_FW_MODULE_PTR 0x0051 +#define NVM_FUTURE_INIT_WORD1 0x0019 +#define NVM_ETRACK_WORD 0x0042 +#define NVM_ETRACK_HIWORD 0x0043 +#define NVM_COMB_VER_OFF 0x0083 +#define NVM_COMB_VER_PTR 0x003d + +/* NVM version defines */ +#define NVM_MAJOR_MASK 0xF000 +#define NVM_MINOR_MASK 0x0FF0 +#define NVM_IMAGE_ID_MASK 0x000F +#define NVM_COMB_VER_MASK 0x00FF +#define NVM_MAJOR_SHIFT 12 +#define NVM_MINOR_SHIFT 4 +#define NVM_COMB_VER_SHFT 8 +#define NVM_VER_INVALID 0xFFFF +#define NVM_ETRACK_SHIFT 16 +#define NVM_ETRACK_VALID 0x8000 +#define NVM_NEW_DEC_MASK 0x0F00 +#define NVM_HEX_CONV 16 +#define NVM_HEX_TENS 10 + +/* FW version defines */ +/* Offset of "Loader patch ptr" in Firmware Header */ +#define IGC_I350_NVM_FW_LOADER_PATCH_PTR_OFFSET 0x01 +/* Patch generation hour & minutes */ +#define IGC_I350_NVM_FW_VER_WORD1_OFFSET 0x04 +/* Patch generation month & day */ +#define IGC_I350_NVM_FW_VER_WORD2_OFFSET 0x05 +/* Patch generation year */ +#define IGC_I350_NVM_FW_VER_WORD3_OFFSET 0x06 +/* Patch major & minor numbers */ +#define IGC_I350_NVM_FW_VER_WORD4_OFFSET 0x07 + +#define NVM_MAC_ADDR 0x0000 +#define NVM_SUB_DEV_ID 0x000B +#define NVM_SUB_VEN_ID 0x000C +#define NVM_DEV_ID 0x000D +#define NVM_VEN_ID 0x000E +#define NVM_INIT_CTRL_2 0x000F +#define NVM_INIT_CTRL_4 0x0013 +#define NVM_LED_1_CFG 0x001C +#define NVM_LED_0_2_CFG 0x001F + +#define NVM_COMPAT_VALID_CSUM 0x0001 +#define NVM_FUTURE_INIT_WORD1_VALID_CSUM 0x0040 + +#define NVM_INIT_CONTROL2_REG 0x000F +#define NVM_INIT_CONTROL3_PORT_B 0x0014 +#define NVM_INIT_3GIO_3 0x001A +#define NVM_SWDEF_PINS_CTRL_PORT_0 0x0020 +#define NVM_INIT_CONTROL3_PORT_A 0x0024 +#define NVM_CFG 0x0012 +#define NVM_ALT_MAC_ADDR_PTR 0x0037 +#define NVM_CHECKSUM_REG 0x003F +#define NVM_COMPATIBILITY_REG_3 0x0003 +#define NVM_COMPATIBILITY_BIT_MASK 0x8000 + +#define IGC_NVM_CFG_DONE_PORT_0 0x040000 /* MNG config cycle done */ +#define IGC_NVM_CFG_DONE_PORT_1 0x080000 /* ...for second port */ +#define IGC_NVM_CFG_DONE_PORT_2 0x100000 /* ...for third port */ +#define IGC_NVM_CFG_DONE_PORT_3 0x200000 /* ...for fourth port */ + +#define NVM_82580_LAN_FUNC_OFFSET(a) ( \ + __extension__ ({ \ + typeof(a) _a = (a); \ + _a ? (0x40 + 0x40 * _a) : 0; \ + })) + +/* Mask bits for fields in Word 0x24 of the NVM */ +#define NVM_WORD24_COM_MDIO 0x0008 /* MDIO interface shared */ +#define NVM_WORD24_EXT_MDIO 0x0004 /* MDIO accesses routed extrnl */ +/* Offset of Link Mode bits for 82575/82576 */ +#define NVM_WORD24_LNK_MODE_OFFSET 8 +/* Offset of Link Mode bits for 82580 up */ +#define NVM_WORD24_82580_LNK_MODE_OFFSET 4 + + +/* Mask bits for fields in Word 0x0f of the NVM */ +#define NVM_WORD0F_PAUSE_MASK 0x3000 +#define NVM_WORD0F_PAUSE 0x1000 +#define NVM_WORD0F_ASM_DIR 0x2000 +#define NVM_WORD0F_SWPDIO_EXT_MASK 0x00F0 + +/* Mask bits for fields in Word 0x1a of the NVM */ +#define NVM_WORD1A_ASPM_MASK 0x000C + +/* Mask bits for fields in Word 0x03 of the EEPROM */ +#define NVM_COMPAT_LOM 0x0800 + +/* length of string needed to store PBA number */ +#define IGC_PBANUM_LENGTH 11 + +/* For checksumming, the sum of all words in the NVM should equal 0xBABA. */ +#define NVM_SUM 0xBABA + +/* PBA (printed board assembly) number words */ +#define NVM_PBA_OFFSET_0 8 +#define NVM_PBA_OFFSET_1 9 +#define NVM_PBA_PTR_GUARD 0xFAFA +#define NVM_RESERVED_WORD 0xFFFF +#define NVM_PHY_CLASS_A 0x8000 +#define NVM_SERDES_AMPLITUDE_MASK 0x000F +#define NVM_SIZE_MASK 0x1C00 +#define NVM_SIZE_SHIFT 10 +#define NVM_WORD_SIZE_BASE_SHIFT 6 +#define NVM_SWDPIO_EXT_SHIFT 4 + +/* NVM Commands - Microwire */ +#define NVM_READ_OPCODE_MICROWIRE 0x6 /* NVM read opcode */ +#define NVM_WRITE_OPCODE_MICROWIRE 0x5 /* NVM write opcode */ +#define NVM_ERASE_OPCODE_MICROWIRE 0x7 /* NVM erase opcode */ +#define NVM_EWEN_OPCODE_MICROWIRE 0x13 /* NVM erase/write enable */ +#define NVM_EWDS_OPCODE_MICROWIRE 0x10 /* NVM erase/write disable */ + +/* NVM Commands - SPI */ +#define NVM_MAX_RETRY_SPI 5000 /* Max wait of 5ms, for RDY signal */ +#define NVM_READ_OPCODE_SPI 0x03 /* NVM read opcode */ +#define NVM_WRITE_OPCODE_SPI 0x02 /* NVM write opcode */ +#define NVM_A8_OPCODE_SPI 0x08 /* opcode bit-3 = address bit-8 */ +#define NVM_WREN_OPCODE_SPI 0x06 /* NVM set Write Enable latch */ +#define NVM_RDSR_OPCODE_SPI 0x05 /* NVM read Status register */ + +/* SPI NVM Status Register */ +#define NVM_STATUS_RDY_SPI 0x01 + +/* Word definitions for ID LED Settings */ +#define ID_LED_RESERVED_0000 0x0000 +#define ID_LED_RESERVED_FFFF 0xFFFF +#define ID_LED_DEFAULT ((ID_LED_OFF1_ON2 << 12) | \ + (ID_LED_OFF1_OFF2 << 8) | \ + (ID_LED_DEF1_DEF2 << 4) | \ + (ID_LED_DEF1_DEF2)) +#define ID_LED_DEF1_DEF2 0x1 +#define ID_LED_DEF1_ON2 0x2 +#define ID_LED_DEF1_OFF2 0x3 +#define ID_LED_ON1_DEF2 0x4 +#define ID_LED_ON1_ON2 0x5 +#define ID_LED_ON1_OFF2 0x6 +#define ID_LED_OFF1_DEF2 0x7 +#define ID_LED_OFF1_ON2 0x8 +#define ID_LED_OFF1_OFF2 0x9 + +#define IGP_ACTIVITY_LED_MASK 0xFFFFF0FF +#define IGP_ACTIVITY_LED_ENABLE 0x0300 +#define IGP_LED3_MODE 0x07000000 + +/* PCI/PCI-X/PCI-EX Config space */ +#define PCIX_COMMAND_REGISTER 0xE6 +#define PCIX_STATUS_REGISTER_LO 0xE8 +#define PCIX_STATUS_REGISTER_HI 0xEA +#define PCI_HEADER_TYPE_REGISTER 0x0E +#define PCIE_LINK_STATUS 0x12 +#define PCIE_DEVICE_CONTROL2 0x28 + +#define PCIX_COMMAND_MMRBC_MASK 0x000C +#define PCIX_COMMAND_MMRBC_SHIFT 0x2 +#define PCIX_STATUS_HI_MMRBC_MASK 0x0060 +#define PCIX_STATUS_HI_MMRBC_SHIFT 0x5 +#define PCIX_STATUS_HI_MMRBC_4K 0x3 +#define PCIX_STATUS_HI_MMRBC_2K 0x2 +#define PCIX_STATUS_LO_FUNC_MASK 0x7 +#define PCI_HEADER_TYPE_MULTIFUNC 0x80 +#define PCIE_LINK_WIDTH_MASK 0x3F0 +#define PCIE_LINK_WIDTH_SHIFT 4 +#define PCIE_LINK_SPEED_MASK 0x0F +#define PCIE_LINK_SPEED_2500 0x01 +#define PCIE_LINK_SPEED_5000 0x02 +#define PCIE_DEVICE_CONTROL2_16ms 0x0005 + +#define ETH_ADDR_LEN 6 + +#define PHY_REVISION_MASK 0xFFFFFFF0 +#define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */ +#define MAX_PHY_MULTI_PAGE_REG 0xF + +/* Bit definitions for valid PHY IDs. + * I = Integrated + * E = External + */ +#define M88IGC_E_PHY_ID 0x01410C50 +#define M88IGC_I_PHY_ID 0x01410C30 +#define M88E1011_I_PHY_ID 0x01410C20 +#define IGP01IGC_I_PHY_ID 0x02A80380 +#define M88E1111_I_PHY_ID 0x01410CC0 +#define M88E1543_E_PHY_ID 0x01410EA0 +#define M88E1512_E_PHY_ID 0x01410DD0 +#define M88E1112_E_PHY_ID 0x01410C90 +#define I347AT4_E_PHY_ID 0x01410DC0 +#define M88E1340M_E_PHY_ID 0x01410DF0 +#define GG82563_E_PHY_ID 0x01410CA0 +#define IGP03IGC_E_PHY_ID 0x02A80390 +#define IFE_E_PHY_ID 0x02A80330 +#define IFE_PLUS_E_PHY_ID 0x02A80320 +#define IFE_C_E_PHY_ID 0x02A80310 +#define BMIGC_E_PHY_ID 0x01410CB0 +#define BMIGC_E_PHY_ID_R2 0x01410CB1 +#define I82577_E_PHY_ID 0x01540050 +#define I82578_E_PHY_ID 0x004DD040 +#define I82579_E_PHY_ID 0x01540090 +#define I217_E_PHY_ID 0x015400A0 +#define I82580_I_PHY_ID 0x015403A0 +#define I350_I_PHY_ID 0x015403B0 +#define I210_I_PHY_ID 0x01410C00 +#define IGP04IGC_E_PHY_ID 0x02A80391 +#define M88_VENDOR 0x0141 +#define I225_I_PHY_ID 0x67C9DC00 + +/* M88E1000 Specific Registers */ +#define M88IGC_PHY_SPEC_CTRL 0x10 /* PHY Specific Control Reg */ +#define M88IGC_PHY_SPEC_STATUS 0x11 /* PHY Specific Status Reg */ +#define M88IGC_EXT_PHY_SPEC_CTRL 0x14 /* Extended PHY Specific Cntrl */ +#define M88IGC_RX_ERR_CNTR 0x15 /* Receive Error Counter */ + +#define M88IGC_PHY_EXT_CTRL 0x1A /* PHY extend control register */ +#define M88IGC_PHY_PAGE_SELECT 0x1D /* Reg 29 for pg number setting */ +#define M88IGC_PHY_GEN_CONTROL 0x1E /* meaning depends on reg 29 */ +#define M88IGC_PHY_VCO_REG_BIT8 0x100 /* Bits 8 & 11 are adjusted for */ +#define M88IGC_PHY_VCO_REG_BIT11 0x800 /* improved BER performance */ + +/* M88E1000 PHY Specific Control Register */ +#define M88IGC_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reverse enabled */ +/* MDI Crossover Mode bits 6:5 Manual MDI configuration */ +#define M88IGC_PSCR_MDI_MANUAL_MODE 0x0000 +#define M88IGC_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */ +/* 1000BASE-T: Auto crossover, 100BASE-TX/10BASE-T: MDI Mode */ +#define M88IGC_PSCR_AUTO_X_1000T 0x0040 +/* Auto crossover enabled all speeds */ +#define M88IGC_PSCR_AUTO_X_MODE 0x0060 +#define M88IGC_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Tx */ + +/* M88E1000 PHY Specific Status Register */ +#define M88IGC_PSSR_REV_POLARITY 0x0002 /* 1=Polarity reversed */ +#define M88IGC_PSSR_DOWNSHIFT 0x0020 /* 1=Downshifted */ +#define M88IGC_PSSR_MDIX 0x0040 /* 1=MDIX; 0=MDI */ +/* 0 = <50M + * 1 = 50-80M + * 2 = 80-110M + * 3 = 110-140M + * 4 = >140M + */ +#define M88IGC_PSSR_CABLE_LENGTH 0x0380 +#define M88IGC_PSSR_LINK 0x0400 /* 1=Link up, 0=Link down */ +#define M88IGC_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */ +#define M88IGC_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */ +#define M88IGC_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */ +#define M88IGC_PSSR_100MBS 0x4000 /* 01=100Mbs */ +#define M88IGC_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ + +#define M88IGC_PSSR_CABLE_LENGTH_SHIFT 7 + +/* Number of times we will attempt to autonegotiate before downshifting if we + * are the master + */ +#define M88IGC_EPSCR_MASTER_DOWNSHIFT_MASK 0x0C00 +#define M88IGC_EPSCR_MASTER_DOWNSHIFT_1X 0x0000 +/* Number of times we will attempt to autonegotiate before downshifting if we + * are the slave + */ +#define M88IGC_EPSCR_SLAVE_DOWNSHIFT_MASK 0x0300 +#define M88IGC_EPSCR_SLAVE_DOWNSHIFT_1X 0x0100 +#define M88IGC_EPSCR_TX_CLK_25 0x0070 /* 25 MHz TX_CLK */ + +/* Intel I347AT4 Registers */ +#define I347AT4_PCDL 0x10 /* PHY Cable Diagnostics Length */ +#define I347AT4_PCDC 0x15 /* PHY Cable Diagnostics Control */ +#define I347AT4_PAGE_SELECT 0x16 + +/* I347AT4 Extended PHY Specific Control Register */ + +/* Number of times we will attempt to autonegotiate before downshifting if we + * are the master + */ +#define I347AT4_PSCR_DOWNSHIFT_ENABLE 0x0800 +#define I347AT4_PSCR_DOWNSHIFT_MASK 0x7000 +#define I347AT4_PSCR_DOWNSHIFT_1X 0x0000 +#define I347AT4_PSCR_DOWNSHIFT_2X 0x1000 +#define I347AT4_PSCR_DOWNSHIFT_3X 0x2000 +#define I347AT4_PSCR_DOWNSHIFT_4X 0x3000 +#define I347AT4_PSCR_DOWNSHIFT_5X 0x4000 +#define I347AT4_PSCR_DOWNSHIFT_6X 0x5000 +#define I347AT4_PSCR_DOWNSHIFT_7X 0x6000 +#define I347AT4_PSCR_DOWNSHIFT_8X 0x7000 + +/* I347AT4 PHY Cable Diagnostics Control */ +#define I347AT4_PCDC_CABLE_LENGTH_UNIT 0x0400 /* 0=cm 1=meters */ + +/* M88E1112 only registers */ +#define M88E1112_VCT_DSP_DISTANCE 0x001A + +/* M88EC018 Rev 2 specific DownShift settings */ +#define M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK 0x0E00 +#define M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X 0x0800 + +#define I82578_EPSCR_DOWNSHIFT_ENABLE 0x0020 +#define I82578_EPSCR_DOWNSHIFT_COUNTER_MASK 0x001C + +/* BME1000 PHY Specific Control Register */ +#define BMIGC_PSCR_ENABLE_DOWNSHIFT 0x0800 /* 1 = enable downshift */ + +/* Bits... + * 15-5: page + * 4-0: register offset + */ +#define GG82563_PAGE_SHIFT 5 +#define GG82563_REG(page, reg) \ + (((page) << GG82563_PAGE_SHIFT) | ((reg) & MAX_PHY_REG_ADDRESS)) +#define GG82563_MIN_ALT_REG 30 + +/* GG82563 Specific Registers */ +#define GG82563_PHY_SPEC_CTRL GG82563_REG(0, 16) /* PHY Spec Cntrl */ +#define GG82563_PHY_PAGE_SELECT GG82563_REG(0, 22) /* Page Select */ +#define GG82563_PHY_SPEC_CTRL_2 GG82563_REG(0, 26) /* PHY Spec Cntrl2 */ +#define GG82563_PHY_PAGE_SELECT_ALT GG82563_REG(0, 29) /* Alt Page Select */ + +/* MAC Specific Control Register */ +#define GG82563_PHY_MAC_SPEC_CTRL GG82563_REG(2, 21) + +#define GG82563_PHY_DSP_DISTANCE GG82563_REG(5, 26) /* DSP Distance */ + +/* Page 193 - Port Control Registers */ +/* Kumeran Mode Control */ +#define GG82563_PHY_KMRN_MODE_CTRL GG82563_REG(193, 16) +#define GG82563_PHY_PWR_MGMT_CTRL GG82563_REG(193, 20) /* Pwr Mgt Ctrl */ + +/* Page 194 - KMRN Registers */ +#define GG82563_PHY_INBAND_CTRL GG82563_REG(194, 18) /* Inband Ctrl */ + +/* MDI Control */ +#define IGC_MDIC_DATA_MASK 0x0000FFFF +#define IGC_MDIC_INT_EN 0x20000000 +#define IGC_MDIC_REG_MASK 0x001F0000 +#define IGC_MDIC_REG_SHIFT 16 +#define IGC_MDIC_PHY_MASK 0x03E00000 +#define IGC_MDIC_PHY_SHIFT 21 +#define IGC_MDIC_OP_WRITE 0x04000000 +#define IGC_MDIC_OP_READ 0x08000000 +#define IGC_MDIC_READY 0x10000000 +#define IGC_MDIC_ERROR 0x40000000 +#define IGC_MDIC_DEST 0x80000000 + +#define IGC_N0_QUEUE -1 + +#define IGC_MAX_MAC_HDR_LEN 127 +#define IGC_MAX_NETWORK_HDR_LEN 511 + +#define IGC_VLAPQF_QUEUE_SEL(_n, q_idx) ((q_idx) << ((_n) * 4)) +#define IGC_VLAPQF_P_VALID(_n) (0x1 << (3 + (_n) * 4)) +#define IGC_VLAPQF_QUEUE_MASK 0x03 +#define IGC_VFTA_BLOCK_SIZE 8 +/* SerDes Control */ +#define IGC_GEN_CTL_READY 0x80000000 +#define IGC_GEN_CTL_ADDRESS_SHIFT 8 +#define IGC_GEN_POLL_TIMEOUT 640 + +/* LinkSec register fields */ +#define IGC_LSECTXCAP_SUM_MASK 0x00FF0000 +#define IGC_LSECTXCAP_SUM_SHIFT 16 +#define IGC_LSECRXCAP_SUM_MASK 0x00FF0000 +#define IGC_LSECRXCAP_SUM_SHIFT 16 + +#define IGC_LSECTXCTRL_EN_MASK 0x00000003 +#define IGC_LSECTXCTRL_DISABLE 0x0 +#define IGC_LSECTXCTRL_AUTH 0x1 +#define IGC_LSECTXCTRL_AUTH_ENCRYPT 0x2 +#define IGC_LSECTXCTRL_AISCI 0x00000020 +#define IGC_LSECTXCTRL_PNTHRSH_MASK 0xFFFFFF00 +#define IGC_LSECTXCTRL_RSV_MASK 0x000000D8 + +#define IGC_LSECRXCTRL_EN_MASK 0x0000000C +#define IGC_LSECRXCTRL_EN_SHIFT 2 +#define IGC_LSECRXCTRL_DISABLE 0x0 +#define IGC_LSECRXCTRL_CHECK 0x1 +#define IGC_LSECRXCTRL_STRICT 0x2 +#define IGC_LSECRXCTRL_DROP 0x3 +#define IGC_LSECRXCTRL_PLSH 0x00000040 +#define IGC_LSECRXCTRL_RP 0x00000080 +#define IGC_LSECRXCTRL_RSV_MASK 0xFFFFFF33 + +/* Tx Rate-Scheduler Config fields */ +#define IGC_RTTBCNRC_RS_ENA 0x80000000 +#define IGC_RTTBCNRC_RF_DEC_MASK 0x00003FFF +#define IGC_RTTBCNRC_RF_INT_SHIFT 14 +#define IGC_RTTBCNRC_RF_INT_MASK \ + (IGC_RTTBCNRC_RF_DEC_MASK << IGC_RTTBCNRC_RF_INT_SHIFT) + +/* DMA Coalescing register fields */ +/* DMA Coalescing Watchdog Timer */ +#define IGC_DMACR_DMACWT_MASK 0x00003FFF +/* DMA Coalescing Rx Threshold */ +#define IGC_DMACR_DMACTHR_MASK 0x00FF0000 +#define IGC_DMACR_DMACTHR_SHIFT 16 +/* Lx when no PCIe transactions */ +#define IGC_DMACR_DMAC_LX_MASK 0x30000000 +#define IGC_DMACR_DMAC_LX_SHIFT 28 +#define IGC_DMACR_DMAC_EN 0x80000000 /* Enable DMA Coalescing */ +/* DMA Coalescing BMC-to-OS Watchdog Enable */ +#define IGC_DMACR_DC_BMC2OSW_EN 0x00008000 + +/* DMA Coalescing Transmit Threshold */ +#define IGC_DMCTXTH_DMCTTHR_MASK 0x00000FFF + +#define IGC_DMCTLX_TTLX_MASK 0x00000FFF /* Time to LX request */ + +/* Rx Traffic Rate Threshold */ +#define IGC_DMCRTRH_UTRESH_MASK 0x0007FFFF +/* Rx packet rate in current window */ +#define IGC_DMCRTRH_LRPRCW 0x80000000 + +/* DMA Coal Rx Traffic Current Count */ +#define IGC_DMCCNT_CCOUNT_MASK 0x01FFFFFF + +/* Flow ctrl Rx Threshold High val */ +#define IGC_FCRTC_RTH_COAL_MASK 0x0003FFF0 +#define IGC_FCRTC_RTH_COAL_SHIFT 4 +/* Lx power decision based on DMA coal */ +#define IGC_PCIEMISC_LX_DECISION 0x00000080 + +#define IGC_RXPBS_CFG_TS_EN 0x80000000 /* Timestamp in Rx buffer */ +#define IGC_RXPBS_SIZE_I210_MASK 0x0000003F /* Rx packet buffer size */ +#define IGC_TXPB0S_SIZE_I210_MASK 0x0000003F /* Tx packet buffer 0 size */ +#define I210_RXPBSIZE_DEFAULT 0x000000A2 /* RXPBSIZE default */ +#define I210_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */ + + +#define I225_RXPBSIZE_DEFAULT 0x000000A2 /* RXPBSIZE default */ +#define I225_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */ +#define IGC_RXPBS_SIZE_I225_MASK 0x0000003F /* Rx packet buffer size */ +#define IGC_TXPB0S_SIZE_I225_MASK 0x0000003F /* Tx packet buffer 0 size */ +#define IGC_STM_OPCODE 0xDB00 +#define IGC_EEPROM_FLASH_SIZE_WORD 0x11 +#define INVM_DWORD_TO_RECORD_TYPE(invm_dword) \ + (u8)((invm_dword) & 0x7) +#define INVM_DWORD_TO_WORD_ADDRESS(invm_dword) \ + (u8)(((invm_dword) & 0x0000FE00) >> 9) +#define INVM_DWORD_TO_WORD_DATA(invm_dword) \ + (u16)(((invm_dword) & 0xFFFF0000) >> 16) +#define IGC_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS 8 +#define IGC_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS 1 +#define IGC_INVM_ULT_BYTES_SIZE 8 +#define IGC_INVM_RECORD_SIZE_IN_BYTES 4 +#define IGC_INVM_VER_FIELD_ONE 0x1FF8 +#define IGC_INVM_VER_FIELD_TWO 0x7FE000 +#define IGC_INVM_IMGTYPE_FIELD 0x1F800000 + +#define IGC_INVM_MAJOR_MASK 0x3F0 +#define IGC_INVM_MINOR_MASK 0xF +#define IGC_INVM_MAJOR_SHIFT 4 + +/* PLL Defines */ +#define IGC_PCI_PMCSR 0x44 +#define IGC_PCI_PMCSR_D3 0x03 +#define IGC_MAX_PLL_TRIES 5 +#define IGC_PHY_PLL_UNCONF 0xFF +#define IGC_PHY_PLL_FREQ_PAGE 0xFC0000 +#define IGC_PHY_PLL_FREQ_REG 0x000E +#define IGC_INVM_DEFAULT_AL 0x202F +#define IGC_INVM_AUTOLOAD 0x0A +#define IGC_INVM_PLL_WO_VAL 0x0010 + +/* Proxy Filter Control Extended */ +#define IGC_PROXYFCEX_MDNS 0x00000001 /* mDNS */ +#define IGC_PROXYFCEX_MDNS_M 0x00000002 /* mDNS Multicast */ +#define IGC_PROXYFCEX_MDNS_U 0x00000004 /* mDNS Unicast */ +#define IGC_PROXYFCEX_IPV4_M 0x00000008 /* IPv4 Multicast */ +#define IGC_PROXYFCEX_IPV6_M 0x00000010 /* IPv6 Multicast */ +#define IGC_PROXYFCEX_IGMP 0x00000020 /* IGMP */ +#define IGC_PROXYFCEX_IGMP_M 0x00000040 /* IGMP Multicast */ +#define IGC_PROXYFCEX_ARPRES 0x00000080 /* ARP Response */ +#define IGC_PROXYFCEX_ARPRES_D 0x00000100 /* ARP Response Directed */ +#define IGC_PROXYFCEX_ICMPV4 0x00000200 /* ICMPv4 */ +#define IGC_PROXYFCEX_ICMPV4_D 0x00000400 /* ICMPv4 Directed */ +#define IGC_PROXYFCEX_ICMPV6 0x00000800 /* ICMPv6 */ +#define IGC_PROXYFCEX_ICMPV6_D 0x00001000 /* ICMPv6 Directed */ +#define IGC_PROXYFCEX_DNS 0x00002000 /* DNS */ + +/* Proxy Filter Control */ +#define IGC_PROXYFC_D0 0x00000001 /* Enable offload in D0 */ +#define IGC_PROXYFC_EX 0x00000004 /* Directed exact proxy */ +#define IGC_PROXYFC_MC 0x00000008 /* Directed MC Proxy */ +#define IGC_PROXYFC_BC 0x00000010 /* Broadcast Proxy Enable */ +#define IGC_PROXYFC_ARP_DIRECTED 0x00000020 /* Directed ARP Proxy Ena */ +#define IGC_PROXYFC_IPV4 0x00000040 /* Directed IPv4 Enable */ +#define IGC_PROXYFC_IPV6 0x00000080 /* Directed IPv6 Enable */ +#define IGC_PROXYFC_NS 0x00000200 /* IPv6 Neighbor Solicitation */ +#define IGC_PROXYFC_NS_DIRECTED 0x00000400 /* Directed NS Proxy Ena */ +#define IGC_PROXYFC_ARP 0x00000800 /* ARP Request Proxy Ena */ +/* Proxy Status */ +#define IGC_PROXYS_CLEAR 0xFFFFFFFF /* Clear */ + +/* Firmware Status */ +#define IGC_FWSTS_FWRI 0x80000000 /* FW Reset Indication */ +/* VF Control */ +#define IGC_VTCTRL_RST 0x04000000 /* Reset VF */ + +#define IGC_STATUS_LAN_ID_MASK 0x00000000C /* Mask for Lan ID field */ +/* Lan ID bit field offset in status register */ +#define IGC_STATUS_LAN_ID_OFFSET 2 +#define IGC_VFTA_ENTRIES 128 + +#define IGC_UNUSEDARG +#define ERROR_REPORT(fmt) do { } while (0) +#endif /* _IGC_DEFINES_H_ */ diff --git a/drivers/net/igc/base/igc_hw.h b/drivers/net/igc/base/igc_hw.h new file mode 100644 index 0000000000..89c57b224c --- /dev/null +++ b/drivers/net/igc/base/igc_hw.h @@ -0,0 +1,1051 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_HW_H_ +#define _IGC_HW_H_ + +#include "igc_osdep.h" +#include "igc_regs.h" +#include "igc_defines.h" + +struct igc_hw; + +#define IGC_DEV_ID_82542 0x1000 +#define IGC_DEV_ID_82543GC_FIBER 0x1001 +#define IGC_DEV_ID_82543GC_COPPER 0x1004 +#define IGC_DEV_ID_82544EI_COPPER 0x1008 +#define IGC_DEV_ID_82544EI_FIBER 0x1009 +#define IGC_DEV_ID_82544GC_COPPER 0x100C +#define IGC_DEV_ID_82544GC_LOM 0x100D +#define IGC_DEV_ID_82540EM 0x100E +#define IGC_DEV_ID_82540EM_LOM 0x1015 +#define IGC_DEV_ID_82540EP_LOM 0x1016 +#define IGC_DEV_ID_82540EP 0x1017 +#define IGC_DEV_ID_82540EP_LP 0x101E +#define IGC_DEV_ID_82545EM_COPPER 0x100F +#define IGC_DEV_ID_82545EM_FIBER 0x1011 +#define IGC_DEV_ID_82545GM_COPPER 0x1026 +#define IGC_DEV_ID_82545GM_FIBER 0x1027 +#define IGC_DEV_ID_82545GM_SERDES 0x1028 +#define IGC_DEV_ID_82546EB_COPPER 0x1010 +#define IGC_DEV_ID_82546EB_FIBER 0x1012 +#define IGC_DEV_ID_82546EB_QUAD_COPPER 0x101D +#define IGC_DEV_ID_82546GB_COPPER 0x1079 +#define IGC_DEV_ID_82546GB_FIBER 0x107A +#define IGC_DEV_ID_82546GB_SERDES 0x107B +#define IGC_DEV_ID_82546GB_PCIE 0x108A +#define IGC_DEV_ID_82546GB_QUAD_COPPER 0x1099 +#define IGC_DEV_ID_82546GB_QUAD_COPPER_KSP3 0x10B5 +#define IGC_DEV_ID_82541EI 0x1013 +#define IGC_DEV_ID_82541EI_MOBILE 0x1018 +#define IGC_DEV_ID_82541ER_LOM 0x1014 +#define IGC_DEV_ID_82541ER 0x1078 +#define IGC_DEV_ID_82541GI 0x1076 +#define IGC_DEV_ID_82541GI_LF 0x107C +#define IGC_DEV_ID_82541GI_MOBILE 0x1077 +#define IGC_DEV_ID_82547EI 0x1019 +#define IGC_DEV_ID_82547EI_MOBILE 0x101A +#define IGC_DEV_ID_82547GI 0x1075 +#define IGC_DEV_ID_82571EB_COPPER 0x105E +#define IGC_DEV_ID_82571EB_FIBER 0x105F +#define IGC_DEV_ID_82571EB_SERDES 0x1060 +#define IGC_DEV_ID_82571EB_SERDES_DUAL 0x10D9 +#define IGC_DEV_ID_82571EB_SERDES_QUAD 0x10DA +#define IGC_DEV_ID_82571EB_QUAD_COPPER 0x10A4 +#define IGC_DEV_ID_82571PT_QUAD_COPPER 0x10D5 +#define IGC_DEV_ID_82571EB_QUAD_FIBER 0x10A5 +#define IGC_DEV_ID_82571EB_QUAD_COPPER_LP 0x10BC +#define IGC_DEV_ID_82572EI_COPPER 0x107D +#define IGC_DEV_ID_82572EI_FIBER 0x107E +#define IGC_DEV_ID_82572EI_SERDES 0x107F +#define IGC_DEV_ID_82572EI 0x10B9 +#define IGC_DEV_ID_82573E 0x108B +#define IGC_DEV_ID_82573E_IAMT 0x108C +#define IGC_DEV_ID_82573L 0x109A +#define IGC_DEV_ID_82574L 0x10D3 +#define IGC_DEV_ID_82574LA 0x10F6 +#define IGC_DEV_ID_82583V 0x150C +#define IGC_DEV_ID_80003ES2LAN_COPPER_DPT 0x1096 +#define IGC_DEV_ID_80003ES2LAN_SERDES_DPT 0x1098 +#define IGC_DEV_ID_80003ES2LAN_COPPER_SPT 0x10BA +#define IGC_DEV_ID_80003ES2LAN_SERDES_SPT 0x10BB +#define IGC_DEV_ID_ICH8_82567V_3 0x1501 +#define IGC_DEV_ID_ICH8_IGP_M_AMT 0x1049 +#define IGC_DEV_ID_ICH8_IGP_AMT 0x104A +#define IGC_DEV_ID_ICH8_IGP_C 0x104B +#define IGC_DEV_ID_ICH8_IFE 0x104C +#define IGC_DEV_ID_ICH8_IFE_GT 0x10C4 +#define IGC_DEV_ID_ICH8_IFE_G 0x10C5 +#define IGC_DEV_ID_ICH8_IGP_M 0x104D +#define IGC_DEV_ID_ICH9_IGP_M 0x10BF +#define IGC_DEV_ID_ICH9_IGP_M_AMT 0x10F5 +#define IGC_DEV_ID_ICH9_IGP_M_V 0x10CB +#define IGC_DEV_ID_ICH9_IGP_AMT 0x10BD +#define IGC_DEV_ID_ICH9_BM 0x10E5 +#define IGC_DEV_ID_ICH9_IGP_C 0x294C +#define IGC_DEV_ID_ICH9_IFE 0x10C0 +#define IGC_DEV_ID_ICH9_IFE_GT 0x10C3 +#define IGC_DEV_ID_ICH9_IFE_G 0x10C2 +#define IGC_DEV_ID_ICH10_R_BM_LM 0x10CC +#define IGC_DEV_ID_ICH10_R_BM_LF 0x10CD +#define IGC_DEV_ID_ICH10_R_BM_V 0x10CE +#define IGC_DEV_ID_ICH10_D_BM_LM 0x10DE +#define IGC_DEV_ID_ICH10_D_BM_LF 0x10DF +#define IGC_DEV_ID_ICH10_D_BM_V 0x1525 +#define IGC_DEV_ID_PCH_M_HV_LM 0x10EA +#define IGC_DEV_ID_PCH_M_HV_LC 0x10EB +#define IGC_DEV_ID_PCH_D_HV_DM 0x10EF +#define IGC_DEV_ID_PCH_D_HV_DC 0x10F0 +#define IGC_DEV_ID_PCH2_LV_LM 0x1502 +#define IGC_DEV_ID_PCH2_LV_V 0x1503 +#define IGC_DEV_ID_PCH_LPT_I217_LM 0x153A +#define IGC_DEV_ID_PCH_LPT_I217_V 0x153B +#define IGC_DEV_ID_PCH_LPTLP_I218_LM 0x155A +#define IGC_DEV_ID_PCH_LPTLP_I218_V 0x1559 +#define IGC_DEV_ID_PCH_I218_LM2 0x15A0 +#define IGC_DEV_ID_PCH_I218_V2 0x15A1 +#define IGC_DEV_ID_PCH_I218_LM3 0x15A2 /* Wildcat Point PCH */ +#define IGC_DEV_ID_PCH_I218_V3 0x15A3 /* Wildcat Point PCH */ +#define IGC_DEV_ID_PCH_SPT_I219_LM 0x156F /* Sunrise Point PCH */ +#define IGC_DEV_ID_PCH_SPT_I219_V 0x1570 /* Sunrise Point PCH */ +#define IGC_DEV_ID_PCH_SPT_I219_LM2 0x15B7 /* Sunrise Point-H PCH */ +#define IGC_DEV_ID_PCH_SPT_I219_V2 0x15B8 /* Sunrise Point-H PCH */ +#define IGC_DEV_ID_PCH_LBG_I219_LM3 0x15B9 /* LEWISBURG PCH */ +#define IGC_DEV_ID_PCH_SPT_I219_LM4 0x15D7 +#define IGC_DEV_ID_PCH_SPT_I219_V4 0x15D8 +#define IGC_DEV_ID_PCH_SPT_I219_LM5 0x15E3 +#define IGC_DEV_ID_PCH_SPT_I219_V5 0x15D6 +#define IGC_DEV_ID_PCH_CNP_I219_LM6 0x15BD +#define IGC_DEV_ID_PCH_CNP_I219_V6 0x15BE +#define IGC_DEV_ID_PCH_CNP_I219_LM7 0x15BB +#define IGC_DEV_ID_PCH_CNP_I219_V7 0x15BC +#define IGC_DEV_ID_PCH_ICP_I219_LM8 0x15DF +#define IGC_DEV_ID_PCH_ICP_I219_V8 0x15E0 +#define IGC_DEV_ID_PCH_ICP_I219_LM9 0x15E1 +#define IGC_DEV_ID_PCH_ICP_I219_V9 0x15E2 +#define IGC_DEV_ID_82576 0x10C9 +#define IGC_DEV_ID_82576_FIBER 0x10E6 +#define IGC_DEV_ID_82576_SERDES 0x10E7 +#define IGC_DEV_ID_82576_QUAD_COPPER 0x10E8 +#define IGC_DEV_ID_82576_QUAD_COPPER_ET2 0x1526 +#define IGC_DEV_ID_82576_NS 0x150A +#define IGC_DEV_ID_82576_NS_SERDES 0x1518 +#define IGC_DEV_ID_82576_SERDES_QUAD 0x150D +#define IGC_DEV_ID_82576_VF 0x10CA +#define IGC_DEV_ID_82576_VF_HV 0x152D +#define IGC_DEV_ID_I350_VF 0x1520 +#define IGC_DEV_ID_I350_VF_HV 0x152F +#define IGC_DEV_ID_82575EB_COPPER 0x10A7 +#define IGC_DEV_ID_82575EB_FIBER_SERDES 0x10A9 +#define IGC_DEV_ID_82575GB_QUAD_COPPER 0x10D6 +#define IGC_DEV_ID_82580_COPPER 0x150E +#define IGC_DEV_ID_82580_FIBER 0x150F +#define IGC_DEV_ID_82580_SERDES 0x1510 +#define IGC_DEV_ID_82580_SGMII 0x1511 +#define IGC_DEV_ID_82580_COPPER_DUAL 0x1516 +#define IGC_DEV_ID_82580_QUAD_FIBER 0x1527 +#define IGC_DEV_ID_I350_COPPER 0x1521 +#define IGC_DEV_ID_I350_FIBER 0x1522 +#define IGC_DEV_ID_I350_SERDES 0x1523 +#define IGC_DEV_ID_I350_SGMII 0x1524 +#define IGC_DEV_ID_I350_DA4 0x1546 +#define IGC_DEV_ID_I210_COPPER 0x1533 +#define IGC_DEV_ID_I210_COPPER_OEM1 0x1534 +#define IGC_DEV_ID_I210_COPPER_IT 0x1535 +#define IGC_DEV_ID_I210_FIBER 0x1536 +#define IGC_DEV_ID_I210_SERDES 0x1537 +#define IGC_DEV_ID_I210_SGMII 0x1538 +#define IGC_DEV_ID_I210_COPPER_FLASHLESS 0x157B +#define IGC_DEV_ID_I210_SERDES_FLASHLESS 0x157C +#define IGC_DEV_ID_I210_SGMII_FLASHLESS 0x15F6 +#define IGC_DEV_ID_I211_COPPER 0x1539 +#define IGC_DEV_ID_I225_LM 0x15F2 +#define IGC_DEV_ID_I225_V 0x15F3 +#define IGC_DEV_ID_I225_K 0x3100 +#define IGC_DEV_ID_I225_I 0x15F8 +#define IGC_DEV_ID_I220_V 0x15F7 +#define IGC_DEV_ID_I225_BLANK_NVM 0x15FD +#define IGC_DEV_ID_I354_BACKPLANE_1GBPS 0x1F40 +#define IGC_DEV_ID_I354_SGMII 0x1F41 +#define IGC_DEV_ID_I354_BACKPLANE_2_5GBPS 0x1F45 +#define IGC_DEV_ID_DH89XXCC_SGMII 0x0438 +#define IGC_DEV_ID_DH89XXCC_SERDES 0x043A +#define IGC_DEV_ID_DH89XXCC_BACKPLANE 0x043C +#define IGC_DEV_ID_DH89XXCC_SFP 0x0440 + +#define IGC_REVISION_0 0 +#define IGC_REVISION_1 1 +#define IGC_REVISION_2 2 +#define IGC_REVISION_3 3 +#define IGC_REVISION_4 4 + +#define IGC_FUNC_0 0 +#define IGC_FUNC_1 1 +#define IGC_FUNC_2 2 +#define IGC_FUNC_3 3 + +#define IGC_ALT_MAC_ADDRESS_OFFSET_LAN0 0 +#define IGC_ALT_MAC_ADDRESS_OFFSET_LAN1 3 +#define IGC_ALT_MAC_ADDRESS_OFFSET_LAN2 6 +#define IGC_ALT_MAC_ADDRESS_OFFSET_LAN3 9 + +enum igc_mac_type { + igc_undefined = 0, + igc_82542, + igc_82543, + igc_82544, + igc_82540, + igc_82545, + igc_82545_rev_3, + igc_82546, + igc_82546_rev_3, + igc_82541, + igc_82541_rev_2, + igc_82547, + igc_82547_rev_2, + igc_82571, + igc_82572, + igc_82573, + igc_82574, + igc_82583, + igc_80003es2lan, + igc_ich8lan, + igc_ich9lan, + igc_ich10lan, + igc_pchlan, + igc_pch2lan, + igc_pch_lpt, + igc_pch_spt, + igc_pch_cnp, + igc_82575, + igc_82576, + igc_82580, + igc_i350, + igc_i354, + igc_i210, + igc_i211, + igc_i225, + igc_vfadapt, + igc_vfadapt_i350, + igc_num_macs /* List is 1-based, so subtract 1 for true count. */ +}; + +enum igc_media_type { + igc_media_type_unknown = 0, + igc_media_type_copper = 1, + igc_media_type_fiber = 2, + igc_media_type_internal_serdes = 3, + igc_num_media_types +}; + +enum igc_nvm_type { + igc_nvm_unknown = 0, + igc_nvm_none, + igc_nvm_eeprom_spi, + igc_nvm_eeprom_microwire, + igc_nvm_flash_hw, + igc_nvm_invm, + igc_nvm_flash_sw +}; + +enum igc_nvm_override { + igc_nvm_override_none = 0, + igc_nvm_override_spi_small, + igc_nvm_override_spi_large, + igc_nvm_override_microwire_small, + igc_nvm_override_microwire_large +}; + +enum igc_phy_type { + igc_phy_unknown = 0, + igc_phy_none, + igc_phy_m88, + igc_phy_igp, + igc_phy_igp_2, + igc_phy_gg82563, + igc_phy_igp_3, + igc_phy_ife, + igc_phy_bm, + igc_phy_82578, + igc_phy_82577, + igc_phy_82579, + igc_phy_i217, + igc_phy_82580, + igc_phy_vf, + igc_phy_i210, + igc_phy_i225, +}; + +enum igc_bus_type { + igc_bus_type_unknown = 0, + igc_bus_type_pci, + igc_bus_type_pcix, + igc_bus_type_pci_express, + igc_bus_type_reserved +}; + +enum igc_bus_speed { + igc_bus_speed_unknown = 0, + igc_bus_speed_33, + igc_bus_speed_66, + igc_bus_speed_100, + igc_bus_speed_120, + igc_bus_speed_133, + igc_bus_speed_2500, + igc_bus_speed_5000, + igc_bus_speed_reserved +}; + +enum igc_bus_width { + igc_bus_width_unknown = 0, + igc_bus_width_pcie_x1, + igc_bus_width_pcie_x2, + igc_bus_width_pcie_x4 = 4, + igc_bus_width_pcie_x8 = 8, + igc_bus_width_32, + igc_bus_width_64, + igc_bus_width_reserved +}; + +enum igc_1000t_rx_status { + igc_1000t_rx_status_not_ok = 0, + igc_1000t_rx_status_ok, + igc_1000t_rx_status_undefined = 0xFF +}; + +enum igc_rev_polarity { + igc_rev_polarity_normal = 0, + igc_rev_polarity_reversed, + igc_rev_polarity_undefined = 0xFF +}; + +enum igc_fc_mode { + igc_fc_none = 0, + igc_fc_rx_pause, + igc_fc_tx_pause, + igc_fc_full, + igc_fc_default = 0xFF +}; + +enum igc_ffe_config { + igc_ffe_config_enabled = 0, + igc_ffe_config_active, + igc_ffe_config_blocked +}; + +enum igc_dsp_config { + igc_dsp_config_disabled = 0, + igc_dsp_config_enabled, + igc_dsp_config_activated, + igc_dsp_config_undefined = 0xFF +}; + +enum igc_ms_type { + igc_ms_hw_default = 0, + igc_ms_force_master, + igc_ms_force_slave, + igc_ms_auto +}; + +enum igc_smart_speed { + igc_smart_speed_default = 0, + igc_smart_speed_on, + igc_smart_speed_off +}; + +enum igc_serdes_link_state { + igc_serdes_link_down = 0, + igc_serdes_link_autoneg_progress, + igc_serdes_link_autoneg_complete, + igc_serdes_link_forced_up +}; + +enum igc_invm_structure_type { + igc_invm_uninitialized_structure = 0x00, + igc_invm_word_autoload_structure = 0x01, + igc_invm_csr_autoload_structure = 0x02, + igc_invm_phy_register_autoload_structure = 0x03, + igc_invm_rsa_key_sha256_structure = 0x04, + igc_invm_invalidated_structure = 0x0f, +}; + +#define __le16 u16 +#define __le32 u32 +#define __le64 u64 +/* Receive Descriptor */ +struct igc_rx_desc { + __le64 buffer_addr; /* Address of the descriptor's data buffer */ + __le16 length; /* Length of data DMAed into data buffer */ + __le16 csum; /* Packet checksum */ + u8 status; /* Descriptor status */ + u8 errors; /* Descriptor Errors */ + __le16 special; +}; + +/* Receive Descriptor - Extended */ +union igc_rx_desc_extended { + struct { + __le64 buffer_addr; + __le64 reserved; + } read; + struct { + struct { + __le32 mrq; /* Multiple Rx Queues */ + union { + __le32 rss; /* RSS Hash */ + struct { + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ + } csum_ip; + } hi_dword; + } lower; + struct { + __le32 status_error; /* ext status/error */ + __le16 length; + __le16 vlan; /* VLAN tag */ + } upper; + } wb; /* writeback */ +}; + +#define MAX_PS_BUFFERS 4 + +/* Number of packet split data buffers (not including the header buffer) */ +#define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1) + +/* Receive Descriptor - Packet Split */ +union igc_rx_desc_packet_split { + struct { + /* one buffer for protocol header(s), three data buffers */ + __le64 buffer_addr[MAX_PS_BUFFERS]; + } read; + struct { + struct { + __le32 mrq; /* Multiple Rx Queues */ + union { + __le32 rss; /* RSS Hash */ + struct { + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ + } csum_ip; + } hi_dword; + } lower; + struct { + __le32 status_error; /* ext status/error */ + __le16 length0; /* length of buffer 0 */ + __le16 vlan; /* VLAN tag */ + } middle; + struct { + __le16 header_status; + /* length of buffers 1-3 */ + __le16 length[PS_PAGE_BUFFERS]; + } upper; + __le64 reserved; + } wb; /* writeback */ +}; + +/* Transmit Descriptor */ +struct igc_tx_desc { + __le64 buffer_addr; /* Address of the descriptor's data buffer */ + union { + __le32 data; + struct { + __le16 length; /* Data buffer length */ + u8 cso; /* Checksum offset */ + u8 cmd; /* Descriptor control */ + } flags; + } lower; + union { + __le32 data; + struct { + u8 status; /* Descriptor status */ + u8 css; /* Checksum start */ + __le16 special; + } fields; + } upper; +}; + +/* Offload Context Descriptor */ +struct igc_context_desc { + union { + __le32 ip_config; + struct { + u8 ipcss; /* IP checksum start */ + u8 ipcso; /* IP checksum offset */ + __le16 ipcse; /* IP checksum end */ + } ip_fields; + } lower_setup; + union { + __le32 tcp_config; + struct { + u8 tucss; /* TCP checksum start */ + u8 tucso; /* TCP checksum offset */ + __le16 tucse; /* TCP checksum end */ + } tcp_fields; + } upper_setup; + __le32 cmd_and_length; + union { + __le32 data; + struct { + u8 status; /* Descriptor status */ + u8 hdr_len; /* Header length */ + __le16 mss; /* Maximum segment size */ + } fields; + } tcp_seg_setup; +}; + +/* Offload data descriptor */ +struct igc_data_desc { + __le64 buffer_addr; /* Address of the descriptor's buffer address */ + union { + __le32 data; + struct { + __le16 length; /* Data buffer length */ + u8 typ_len_ext; + u8 cmd; + } flags; + } lower; + union { + __le32 data; + struct { + u8 status; /* Descriptor status */ + u8 popts; /* Packet Options */ + __le16 special; + } fields; + } upper; +}; + +/* Statistics counters collected by the MAC */ +struct igc_hw_stats { + u64 crcerrs; + u64 algnerrc; + u64 symerrs; + u64 rxerrc; + u64 mpc; + u64 scc; + u64 ecol; + u64 mcc; + u64 latecol; + u64 colc; + u64 dc; + u64 tncrs; + u64 sec; + u64 cexterr; + u64 rlec; + u64 xonrxc; + u64 xontxc; + u64 xoffrxc; + u64 xofftxc; + u64 fcruc; + u64 prc64; + u64 prc127; + u64 prc255; + u64 prc511; + u64 prc1023; + u64 prc1522; + u64 gprc; + u64 bprc; + u64 mprc; + u64 gptc; + u64 gorc; + u64 gotc; + u64 rnbc; + u64 ruc; + u64 rfc; + u64 roc; + u64 rjc; + u64 mgprc; + u64 mgpdc; + u64 mgptc; + u64 tor; + u64 tot; + u64 tpr; + u64 tpt; + u64 ptc64; + u64 ptc127; + u64 ptc255; + u64 ptc511; + u64 ptc1023; + u64 ptc1522; + u64 mptc; + u64 bptc; + u64 tsctc; + u64 tsctfc; + u64 iac; + u64 icrxptc; + u64 icrxatc; + u64 ictxptc; + u64 ictxatc; + u64 ictxqec; + u64 ictxqmtc; + u64 icrxdmtc; + u64 icrxoc; + u64 cbtmpc; + u64 htdpmc; + u64 cbrdpc; + u64 cbrmpc; + u64 rpthc; + u64 hgptc; + u64 htcbdpc; + u64 hgorc; + u64 hgotc; + u64 lenerrs; + u64 scvpc; + u64 hrmpc; + u64 doosync; + u64 o2bgptc; + u64 o2bspc; + u64 b2ospc; + u64 b2ogprc; +}; + +struct igc_vf_stats { + u64 base_gprc; + u64 base_gptc; + u64 base_gorc; + u64 base_gotc; + u64 base_mprc; + u64 base_gotlbc; + u64 base_gptlbc; + u64 base_gorlbc; + u64 base_gprlbc; + + u32 last_gprc; + u32 last_gptc; + u32 last_gorc; + u32 last_gotc; + u32 last_mprc; + u32 last_gotlbc; + u32 last_gptlbc; + u32 last_gorlbc; + u32 last_gprlbc; + + u64 gprc; + u64 gptc; + u64 gorc; + u64 gotc; + u64 mprc; + u64 gotlbc; + u64 gptlbc; + u64 gorlbc; + u64 gprlbc; +}; + +struct igc_phy_stats { + u32 idle_errors; + u32 receive_errors; +}; + +struct igc_host_mng_dhcp_cookie { + u32 signature; + u8 status; + u8 reserved0; + u16 vlan_id; + u32 reserved1; + u16 reserved2; + u8 reserved3; + u8 checksum; +}; + +/* Host Interface "Rev 1" */ +struct igc_host_command_header { + u8 command_id; + u8 command_length; + u8 command_options; + u8 checksum; +}; + +#define IGC_HI_MAX_DATA_LENGTH 252 +struct igc_host_command_info { + struct igc_host_command_header command_header; + u8 command_data[IGC_HI_MAX_DATA_LENGTH]; +}; + +/* Host Interface "Rev 2" */ +struct igc_host_mng_command_header { + u8 command_id; + u8 checksum; + u16 reserved1; + u16 reserved2; + u16 command_length; +}; + +#define IGC_HI_MAX_MNG_DATA_LENGTH 0x6F8 +struct igc_host_mng_command_info { + struct igc_host_mng_command_header command_header; + u8 command_data[IGC_HI_MAX_MNG_DATA_LENGTH]; +}; + +#include "igc_mac.h" +#include "igc_phy.h" +#include "igc_nvm.h" +#include "igc_manage.h" + +/* Function pointers for the MAC. */ +struct igc_mac_operations { + s32 (*init_params)(struct igc_hw *hw); + s32 (*id_led_init)(struct igc_hw *hw); + s32 (*blink_led)(struct igc_hw *hw); + bool (*check_mng_mode)(struct igc_hw *hw); + s32 (*check_for_link)(struct igc_hw *hw); + s32 (*cleanup_led)(struct igc_hw *hw); + void (*clear_hw_cntrs)(struct igc_hw *hw); + void (*clear_vfta)(struct igc_hw *hw); + s32 (*get_bus_info)(struct igc_hw *hw); + void (*set_lan_id)(struct igc_hw *hw); + s32 (*get_link_up_info)(struct igc_hw *hw, u16 *speed, u16 *duplex); + s32 (*led_on)(struct igc_hw *hw); + s32 (*led_off)(struct igc_hw *hw); + void (*update_mc_addr_list)(struct igc_hw *hw, + u8 *mc_addr_list, u32 count); + s32 (*reset_hw)(struct igc_hw *hw); + s32 (*init_hw)(struct igc_hw *hw); + void (*shutdown_serdes)(struct igc_hw *hw); + void (*power_up_serdes)(struct igc_hw *hw); + s32 (*setup_link)(struct igc_hw *hw); + s32 (*setup_physical_interface)(struct igc_hw *hw); + s32 (*setup_led)(struct igc_hw *hw); + void (*write_vfta)(struct igc_hw *hw, u32 offset, u32 value); + void (*config_collision_dist)(struct igc_hw *hw); + int (*rar_set)(struct igc_hw *hw, u8 *addr, u32 index); + s32 (*read_mac_addr)(struct igc_hw *hw); + s32 (*validate_mdi_setting)(struct igc_hw *hw); + s32 (*acquire_swfw_sync)(struct igc_hw *hw, u16 mask); + void (*release_swfw_sync)(struct igc_hw *hw, u16 mask); +}; + +/* When to use various PHY register access functions: + * + * Func Caller + * Function Does Does When to use + * ~~~~~~~~~~~~ ~~~~~ ~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * X_reg L,P,A n/a for simple PHY reg accesses + * X_reg_locked P,A L for multiple accesses of different regs + * on different pages + * X_reg_page A L,P for multiple accesses of different regs + * on the same page + * + * Where X=[read|write], L=locking, P=sets page, A=register access + * + */ +struct igc_phy_operations { + s32 (*init_params)(struct igc_hw *hw); + s32 (*acquire)(struct igc_hw *hw); + s32 (*cfg_on_link_up)(struct igc_hw *hw); + s32 (*check_polarity)(struct igc_hw *hw); + s32 (*check_reset_block)(struct igc_hw *hw); + s32 (*commit)(struct igc_hw *hw); + s32 (*force_speed_duplex)(struct igc_hw *hw); + s32 (*get_cfg_done)(struct igc_hw *hw); + s32 (*get_cable_length)(struct igc_hw *hw); + s32 (*get_info)(struct igc_hw *hw); + s32 (*set_page)(struct igc_hw *hw, u16 page); + s32 (*read_reg)(struct igc_hw *hw, u32 offset, u16 *data); + s32 (*read_reg_locked)(struct igc_hw *hw, u32 offset, u16 *data); + s32 (*read_reg_page)(struct igc_hw *hw, u32 offset, u16 *data); + void (*release)(struct igc_hw *hw); + s32 (*reset)(struct igc_hw *hw); + s32 (*set_d0_lplu_state)(struct igc_hw *hw, bool active); + s32 (*set_d3_lplu_state)(struct igc_hw *hw, bool active); + s32 (*write_reg)(struct igc_hw *hw, u32 offset, u16 data); + s32 (*write_reg_locked)(struct igc_hw *hw, u32 offset, u16 data); + s32 (*write_reg_page)(struct igc_hw *hw, u32 offset, u16 data); + void (*power_up)(struct igc_hw *hw); + void (*power_down)(struct igc_hw *hw); + s32 (*read_i2c_byte)(struct igc_hw *hw, u8 byte_offset, + u8 dev_addr, u8 *data); + s32 (*write_i2c_byte)(struct igc_hw *hw, u8 byte_offset, + u8 dev_addr, u8 data); +}; + +/* Function pointers for the NVM. */ +struct igc_nvm_operations { + s32 (*init_params)(struct igc_hw *hw); + s32 (*acquire)(struct igc_hw *hw); + s32 (*read)(struct igc_hw *hw, u16 offset, u16 words, u16 *data); + void (*release)(struct igc_hw *hw); + void (*reload)(struct igc_hw *hw); + s32 (*update)(struct igc_hw *hw); + s32 (*valid_led_default)(struct igc_hw *hw, u16 *data); + s32 (*validate)(struct igc_hw *hw); + s32 (*write)(struct igc_hw *hw, u16 offset, u16 words, u16 *data); +}; + +struct igc_info { + s32 (*get_invariants)(struct igc_hw *hw); + struct igc_mac_operations *mac_ops; + const struct igc_phy_operations *phy_ops; + struct igc_nvm_operations *nvm_ops; +}; + +extern const struct igc_info igc_i225_info; + +struct igc_mac_info { + struct igc_mac_operations ops; + u8 addr[ETH_ADDR_LEN]; + u8 perm_addr[ETH_ADDR_LEN]; + + enum igc_mac_type type; + + u32 collision_delta; + u32 ledctl_default; + u32 ledctl_mode1; + u32 ledctl_mode2; + u32 mc_filter_type; + u32 tx_packet_delta; + u32 txcw; + + u16 current_ifs_val; + u16 ifs_max_val; + u16 ifs_min_val; + u16 ifs_ratio; + u16 ifs_step_size; + u16 mta_reg_count; + u16 uta_reg_count; + + /* Maximum size of the MTA register table in all supported adapters */ +#define MAX_MTA_REG 128 + u32 mta_shadow[MAX_MTA_REG]; + u16 rar_entry_count; + + u8 forced_speed_duplex; + + bool adaptive_ifs; + bool has_fwsm; + bool arc_subsystem_valid; + bool asf_firmware_present; + bool autoneg; + bool autoneg_failed; + bool get_link_status; + bool in_ifs_mode; + bool report_tx_early; + enum igc_serdes_link_state serdes_link_state; + bool serdes_has_link; + bool tx_pkt_filtering; +}; + +struct igc_phy_info { + struct igc_phy_operations ops; + enum igc_phy_type type; + + enum igc_1000t_rx_status local_rx; + enum igc_1000t_rx_status remote_rx; + enum igc_ms_type ms_type; + enum igc_ms_type original_ms_type; + enum igc_rev_polarity cable_polarity; + enum igc_smart_speed smart_speed; + + u32 addr; + u32 id; + u32 reset_delay_us; /* in usec */ + u32 revision; + + enum igc_media_type media_type; + + u16 autoneg_advertised; + u16 autoneg_mask; + u16 cable_length; + u16 max_cable_length; + u16 min_cable_length; + + u8 mdix; + + bool disable_polarity_correction; + bool is_mdix; + bool polarity_correction; + bool speed_downgraded; + bool autoneg_wait_to_complete; +}; + +struct igc_nvm_info { + struct igc_nvm_operations ops; + enum igc_nvm_type type; + enum igc_nvm_override override; + + u32 flash_bank_size; + u32 flash_base_addr; + + u16 word_size; + u16 delay_usec; + u16 address_bits; + u16 opcode_bits; + u16 page_size; +}; + +struct igc_bus_info { + enum igc_bus_type type; + enum igc_bus_speed speed; + enum igc_bus_width width; + + u16 func; + u16 pci_cmd_word; +}; + +struct igc_fc_info { + u32 high_water; /* Flow control high-water mark */ + u32 low_water; /* Flow control low-water mark */ + u16 pause_time; /* Flow control pause timer */ + u16 refresh_time; /* Flow control refresh timer */ + bool send_xon; /* Flow control send XON */ + bool strict_ieee; /* Strict IEEE mode */ + enum igc_fc_mode current_mode; /* FC mode in effect */ + enum igc_fc_mode requested_mode; /* FC mode requested by caller */ +}; + +struct igc_mbx_operations { + s32 (*init_params)(struct igc_hw *hw); +}; + +struct igc_mbx_stats { + u32 msgs_tx; + u32 msgs_rx; + + u32 acks; + u32 reqs; + u32 rsts; +}; + +struct igc_mbx_info { + struct igc_mbx_operations ops; + struct igc_mbx_stats stats; + u32 timeout; + u32 usec_delay; + u16 size; +}; + +struct igc_dev_spec_82541 { + enum igc_dsp_config dsp_config; + enum igc_ffe_config ffe_config; + u16 spd_default; + bool phy_init_script; +}; + +struct igc_dev_spec_82542 { + bool dma_fairness; +}; + +struct igc_dev_spec_82543 { + u32 tbi_compatibility; + bool dma_fairness; + bool init_phy_disabled; +}; + +struct igc_dev_spec_82571 { + bool laa_is_present; + u32 smb_counter; + IGC_MUTEX swflag_mutex; +}; + +struct igc_dev_spec_80003es2lan { + bool mdic_wa_enable; +}; + +struct igc_shadow_ram { + u16 value; + bool modified; +}; + +#define IGC_SHADOW_RAM_WORDS 2048 + +/* I218 PHY Ultra Low Power (ULP) states */ +enum igc_ulp_state { + igc_ulp_state_unknown, + igc_ulp_state_off, + igc_ulp_state_on, +}; + +struct igc_dev_spec_ich8lan { + bool kmrn_lock_loss_workaround_enabled; + struct igc_shadow_ram shadow_ram[IGC_SHADOW_RAM_WORDS]; + IGC_MUTEX nvm_mutex; + IGC_MUTEX swflag_mutex; + bool nvm_k1_enabled; + bool disable_k1_off; + bool eee_disable; + u16 eee_lp_ability; + enum igc_ulp_state ulp_state; + bool ulp_capability_disabled; + bool during_suspend_flow; + bool during_dpg_exit; + u16 lat_enc; + u16 max_ltr_enc; + bool smbus_disable; +}; + +struct igc_dev_spec_82575 { + bool sgmii_active; + bool global_device_reset; + bool eee_disable; + bool module_plugged; + bool clear_semaphore_once; + u32 mtu; + struct sfp_igc_flags eth_flags; + u8 media_port; + bool media_changed; +}; + +struct igc_dev_spec_vf { + u32 vf_number; + u32 v2p_mailbox; +}; + +struct igc_dev_spec_i225 { + bool global_device_reset; + bool eee_disable; + bool clear_semaphore_once; + bool module_plugged; + u8 media_port; + bool mas_capable; + u32 mtu; +}; + +struct igc_hw { + void *back; + + u8 *hw_addr; + u8 *flash_address; + unsigned long io_base; + + struct igc_mac_info mac; + struct igc_fc_info fc; + struct igc_phy_info phy; + struct igc_nvm_info nvm; + struct igc_bus_info bus; + struct igc_mbx_info mbx; + struct igc_host_mng_dhcp_cookie mng_cookie; + + union { + struct igc_dev_spec_82541 _82541; + struct igc_dev_spec_82542 _82542; + struct igc_dev_spec_82543 _82543; + struct igc_dev_spec_82571 _82571; + struct igc_dev_spec_80003es2lan _80003es2lan; + struct igc_dev_spec_ich8lan ich8lan; + struct igc_dev_spec_82575 _82575; + struct igc_dev_spec_vf vf; + struct igc_dev_spec_i225 _i225; + } dev_spec; + + u16 device_id; + u16 subsystem_vendor_id; + u16 subsystem_device_id; + u16 vendor_id; + + u8 revision_id; +}; + +#include "igc_82571.h" +#include "igc_ich8lan.h" +#include "igc_82575.h" +#include "igc_i225.h" +#include "igc_base.h" + +/* These functions must be implemented by drivers */ +void igc_pci_clear_mwi(struct igc_hw *hw); +void igc_pci_set_mwi(struct igc_hw *hw); +s32 igc_read_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value); +s32 igc_write_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value); +void igc_read_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value); +void igc_write_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value); + +#endif diff --git a/drivers/net/igc/base/igc_i225.c b/drivers/net/igc/base/igc_i225.c new file mode 100644 index 0000000000..7a6051c284 --- /dev/null +++ b/drivers/net/igc/base/igc_i225.c @@ -0,0 +1,1378 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#include "igc_api.h" + +static s32 igc_init_nvm_params_i225(struct igc_hw *hw); +static s32 igc_init_mac_params_i225(struct igc_hw *hw); +static s32 igc_init_phy_params_i225(struct igc_hw *hw); +static s32 igc_reset_hw_i225(struct igc_hw *hw); +static s32 igc_acquire_nvm_i225(struct igc_hw *hw); +static void igc_release_nvm_i225(struct igc_hw *hw); +static s32 igc_get_hw_semaphore_i225(struct igc_hw *hw); +static s32 __igc_write_nvm_srwr(struct igc_hw *hw, u16 offset, u16 words, + u16 *data); +static s32 igc_pool_flash_update_done_i225(struct igc_hw *hw); +static s32 igc_valid_led_default_i225(struct igc_hw *hw, u16 *data); + +/** + * igc_init_nvm_params_i225 - Init NVM func ptrs. + * @hw: pointer to the HW structure + **/ +static s32 igc_init_nvm_params_i225(struct igc_hw *hw) +{ + struct igc_nvm_info *nvm = &hw->nvm; + u32 eecd = IGC_READ_REG(hw, IGC_EECD); + u16 size; + + DEBUGFUNC("igc_init_nvm_params_i225"); + + size = (u16)((eecd & IGC_EECD_SIZE_EX_MASK) >> + IGC_EECD_SIZE_EX_SHIFT); + /* + * Added to a constant, "size" becomes the left-shift value + * for setting word_size. + */ + size += NVM_WORD_SIZE_BASE_SHIFT; + + /* Just in case size is out of range, cap it to the largest + * EEPROM size supported + */ + if (size > 15) + size = 15; + + nvm->word_size = 1 << size; + nvm->opcode_bits = 8; + nvm->delay_usec = 1; + nvm->type = igc_nvm_eeprom_spi; + + + nvm->page_size = eecd & IGC_EECD_ADDR_BITS ? 32 : 8; + nvm->address_bits = eecd & IGC_EECD_ADDR_BITS ? + 16 : 8; + + if (nvm->word_size == (1 << 15)) + nvm->page_size = 128; + + nvm->ops.acquire = igc_acquire_nvm_i225; + nvm->ops.release = igc_release_nvm_i225; + nvm->ops.valid_led_default = igc_valid_led_default_i225; + if (igc_get_flash_presence_i225(hw)) { + hw->nvm.type = igc_nvm_flash_hw; + nvm->ops.read = igc_read_nvm_srrd_i225; + nvm->ops.write = igc_write_nvm_srwr_i225; + nvm->ops.validate = igc_validate_nvm_checksum_i225; + nvm->ops.update = igc_update_nvm_checksum_i225; + } else { + hw->nvm.type = igc_nvm_invm; + nvm->ops.write = igc_null_write_nvm; + nvm->ops.validate = igc_null_ops_generic; + nvm->ops.update = igc_null_ops_generic; + } + + return IGC_SUCCESS; +} + +/** + * igc_init_mac_params_i225 - Init MAC func ptrs. + * @hw: pointer to the HW structure + **/ +static s32 igc_init_mac_params_i225(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + struct igc_dev_spec_i225 *dev_spec = &hw->dev_spec._i225; + + DEBUGFUNC("igc_init_mac_params_i225"); + + /* Initialize function pointer */ + igc_init_mac_ops_generic(hw); + + /* Set media type */ + hw->phy.media_type = igc_media_type_copper; + /* Set mta register count */ + mac->mta_reg_count = 128; + /* Set rar entry count */ + mac->rar_entry_count = IGC_RAR_ENTRIES_BASE; + + /* reset */ + mac->ops.reset_hw = igc_reset_hw_i225; + /* hw initialization */ + mac->ops.init_hw = igc_init_hw_i225; + /* link setup */ + mac->ops.setup_link = igc_setup_link_generic; + /* check for link */ + mac->ops.check_for_link = igc_check_for_link_i225; + /* link info */ + mac->ops.get_link_up_info = igc_get_speed_and_duplex_copper_generic; + /* acquire SW_FW sync */ + mac->ops.acquire_swfw_sync = igc_acquire_swfw_sync_i225; + /* release SW_FW sync */ + mac->ops.release_swfw_sync = igc_release_swfw_sync_i225; + + /* Allow a single clear of the SW semaphore on I225 */ + dev_spec->clear_semaphore_once = true; + mac->ops.setup_physical_interface = igc_setup_copper_link_i225; + + /* Set if part includes ASF firmware */ + mac->asf_firmware_present = true; + + /* multicast address update */ + mac->ops.update_mc_addr_list = igc_update_mc_addr_list_generic; + + mac->ops.write_vfta = igc_write_vfta_generic; + + return IGC_SUCCESS; +} + +/** + * igc_init_phy_params_i225 - Init PHY func ptrs. + * @hw: pointer to the HW structure + **/ +static s32 igc_init_phy_params_i225(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val = IGC_SUCCESS; + u32 ctrl_ext; + + DEBUGFUNC("igc_init_phy_params_i225"); + + phy->ops.read_i2c_byte = igc_read_i2c_byte_generic; + phy->ops.write_i2c_byte = igc_write_i2c_byte_generic; + + if (hw->phy.media_type != igc_media_type_copper) { + phy->type = igc_phy_none; + goto out; + } + + phy->ops.power_up = igc_power_up_phy_copper; + phy->ops.power_down = igc_power_down_phy_copper_base; + + phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT_2500; + + phy->reset_delay_us = 100; + + phy->ops.acquire = igc_acquire_phy_base; + phy->ops.check_reset_block = igc_check_reset_block_generic; + phy->ops.commit = igc_phy_sw_reset_generic; + phy->ops.release = igc_release_phy_base; + + ctrl_ext = IGC_READ_REG(hw, IGC_CTRL_EXT); + + /* Make sure the PHY is in a good state. Several people have reported + * firmware leaving the PHY's page select register set to something + * other than the default of zero, which causes the PHY ID read to + * access something other than the intended register. + */ + ret_val = hw->phy.ops.reset(hw); + if (ret_val) + goto out; + + IGC_WRITE_REG(hw, IGC_CTRL_EXT, ctrl_ext); + phy->ops.read_reg = igc_read_phy_reg_gpy; + phy->ops.write_reg = igc_write_phy_reg_gpy; + + ret_val = igc_get_phy_id(hw); + /* Verify phy id and set remaining function pointers */ + switch (phy->id) { + case I225_I_PHY_ID: + phy->type = igc_phy_i225; + phy->ops.set_d0_lplu_state = igc_set_d0_lplu_state_i225; + phy->ops.set_d3_lplu_state = igc_set_d3_lplu_state_i225; + /* TODO - complete with GPY PHY information */ + break; + default: + ret_val = -IGC_ERR_PHY; + goto out; + } + +out: + return ret_val; +} + +/** + * igc_reset_hw_i225 - Reset hardware + * @hw: pointer to the HW structure + * + * This resets the hardware into a known state. + **/ +static s32 igc_reset_hw_i225(struct igc_hw *hw) +{ + u32 ctrl; + s32 ret_val; + + DEBUGFUNC("igc_reset_hw_i225"); + + /* + * Prevent the PCI-E bus from sticking if there is no TLP connection + * on the last TLP read/write transaction when MAC is reset. + */ + ret_val = igc_disable_pcie_master_generic(hw); + if (ret_val) + DEBUGOUT("PCI-E Master disable polling has failed.\n"); + + DEBUGOUT("Masking off all interrupts\n"); + IGC_WRITE_REG(hw, IGC_IMC, 0xffffffff); + + IGC_WRITE_REG(hw, IGC_RCTL, 0); + IGC_WRITE_REG(hw, IGC_TCTL, IGC_TCTL_PSP); + IGC_WRITE_FLUSH(hw); + + msec_delay(10); + + ctrl = IGC_READ_REG(hw, IGC_CTRL); + + DEBUGOUT("Issuing a global reset to MAC\n"); + IGC_WRITE_REG(hw, IGC_CTRL, ctrl | IGC_CTRL_RST); + + ret_val = igc_get_auto_rd_done_generic(hw); + if (ret_val) { + /* + * When auto config read does not complete, do not + * return with an error. This can happen in situations + * where there is no eeprom and prevents getting link. + */ + DEBUGOUT("Auto Read Done did not complete\n"); + } + + /* Clear any pending interrupt events. */ + IGC_WRITE_REG(hw, IGC_IMC, 0xffffffff); + IGC_READ_REG(hw, IGC_ICR); + + /* Install any alternate MAC address into RAR0 */ + ret_val = igc_check_alt_mac_addr_generic(hw); + + return ret_val; +} + +/* igc_acquire_nvm_i225 - Request for access to EEPROM + * @hw: pointer to the HW structure + * + * Acquire the necessary semaphores for exclusive access to the EEPROM. + * Set the EEPROM access request bit and wait for EEPROM access grant bit. + * Return successful if access grant bit set, else clear the request for + * EEPROM access and return -IGC_ERR_NVM (-1). + */ +static s32 igc_acquire_nvm_i225(struct igc_hw *hw) +{ + s32 ret_val; + + DEBUGFUNC("igc_acquire_nvm_i225"); + + ret_val = igc_acquire_swfw_sync_i225(hw, IGC_SWFW_EEP_SM); + + return ret_val; +} + +/* igc_release_nvm_i225 - Release exclusive access to EEPROM + * @hw: pointer to the HW structure + * + * Stop any current commands to the EEPROM and clear the EEPROM request bit, + * then release the semaphores acquired. + */ +static void igc_release_nvm_i225(struct igc_hw *hw) +{ + DEBUGFUNC("igc_release_nvm_i225"); + + igc_release_swfw_sync_i225(hw, IGC_SWFW_EEP_SM); +} + +/* igc_acquire_swfw_sync_i225 - Acquire SW/FW semaphore + * @hw: pointer to the HW structure + * @mask: specifies which semaphore to acquire + * + * Acquire the SW/FW semaphore to access the PHY or NVM. The mask + * will also specify which port we're acquiring the lock for. + */ +s32 igc_acquire_swfw_sync_i225(struct igc_hw *hw, u16 mask) +{ + u32 swfw_sync; + u32 swmask = mask; + u32 fwmask = mask << 16; + s32 ret_val = IGC_SUCCESS; + s32 i = 0, timeout = 200; /* FIXME: find real value to use here */ + + DEBUGFUNC("igc_acquire_swfw_sync_i225"); + + while (i < timeout) { + if (igc_get_hw_semaphore_i225(hw)) { + ret_val = -IGC_ERR_SWFW_SYNC; + goto out; + } + + swfw_sync = IGC_READ_REG(hw, IGC_SW_FW_SYNC); + if (!(swfw_sync & (fwmask | swmask))) + break; + + /* Firmware currently using resource (fwmask) + * or other software thread using resource (swmask) + */ + igc_put_hw_semaphore_generic(hw); + msec_delay_irq(5); + i++; + } + + if (i == timeout) { + DEBUGOUT("Driver can't access resource, SW_FW_SYNC timeout.\n"); + ret_val = -IGC_ERR_SWFW_SYNC; + goto out; + } + + swfw_sync |= swmask; + IGC_WRITE_REG(hw, IGC_SW_FW_SYNC, swfw_sync); + + igc_put_hw_semaphore_generic(hw); + +out: + return ret_val; +} + +/* igc_release_swfw_sync_i225 - Release SW/FW semaphore + * @hw: pointer to the HW structure + * @mask: specifies which semaphore to acquire + * + * Release the SW/FW semaphore used to access the PHY or NVM. The mask + * will also specify which port we're releasing the lock for. + */ +void igc_release_swfw_sync_i225(struct igc_hw *hw, u16 mask) +{ + u32 swfw_sync; + + DEBUGFUNC("igc_release_swfw_sync_i225"); + + while (igc_get_hw_semaphore_i225(hw) != IGC_SUCCESS) + ; /* Empty */ + + swfw_sync = IGC_READ_REG(hw, IGC_SW_FW_SYNC); + swfw_sync &= ~mask; + IGC_WRITE_REG(hw, IGC_SW_FW_SYNC, swfw_sync); + + igc_put_hw_semaphore_generic(hw); +} + +/* + * igc_setup_copper_link_i225 - Configure copper link settings + * @hw: pointer to the HW structure + * + * Configures the link for auto-neg or forced speed and duplex. Then we check + * for link, once link is established calls to configure collision distance + * and flow control are called. + */ +s32 igc_setup_copper_link_i225(struct igc_hw *hw) +{ + u32 phpm_reg; + s32 ret_val; + u32 ctrl; + + DEBUGFUNC("igc_setup_copper_link_i225"); + + ctrl = IGC_READ_REG(hw, IGC_CTRL); + ctrl |= IGC_CTRL_SLU; + ctrl &= ~(IGC_CTRL_FRCSPD | IGC_CTRL_FRCDPX); + IGC_WRITE_REG(hw, IGC_CTRL, ctrl); + + phpm_reg = IGC_READ_REG(hw, IGC_I225_PHPM); + phpm_reg &= ~IGC_I225_PHPM_GO_LINKD; + IGC_WRITE_REG(hw, IGC_I225_PHPM, phpm_reg); + + ret_val = igc_setup_copper_link_generic(hw); + + return ret_val; +} + +/* igc_get_hw_semaphore_i225 - Acquire hardware semaphore + * @hw: pointer to the HW structure + * + * Acquire the HW semaphore to access the PHY or NVM + */ +static s32 igc_get_hw_semaphore_i225(struct igc_hw *hw) +{ + u32 swsm; + s32 timeout = hw->nvm.word_size + 1; + s32 i = 0; + + DEBUGFUNC("igc_get_hw_semaphore_i225"); + + /* Get the SW semaphore */ + while (i < timeout) { + swsm = IGC_READ_REG(hw, IGC_SWSM); + if (!(swsm & IGC_SWSM_SMBI)) + break; + + usec_delay(50); + i++; + } + + if (i == timeout) { + /* In rare circumstances, the SW semaphore may already be held + * unintentionally. Clear the semaphore once before giving up. + */ + if (hw->dev_spec._i225.clear_semaphore_once) { + hw->dev_spec._i225.clear_semaphore_once = false; + igc_put_hw_semaphore_generic(hw); + for (i = 0; i < timeout; i++) { + swsm = IGC_READ_REG(hw, IGC_SWSM); + if (!(swsm & IGC_SWSM_SMBI)) + break; + + usec_delay(50); + } + } + + /* If we do not have the semaphore here, we have to give up. */ + if (i == timeout) { + DEBUGOUT("Driver can't access device -\n"); + DEBUGOUT("SMBI bit is set.\n"); + return -IGC_ERR_NVM; + } + } + + /* Get the FW semaphore. */ + for (i = 0; i < timeout; i++) { + swsm = IGC_READ_REG(hw, IGC_SWSM); + IGC_WRITE_REG(hw, IGC_SWSM, swsm | IGC_SWSM_SWESMBI); + + /* Semaphore acquired if bit latched */ + if (IGC_READ_REG(hw, IGC_SWSM) & IGC_SWSM_SWESMBI) + break; + + usec_delay(50); + } + + if (i == timeout) { + /* Release semaphores */ + igc_put_hw_semaphore_generic(hw); + DEBUGOUT("Driver can't access the NVM\n"); + return -IGC_ERR_NVM; + } + + return IGC_SUCCESS; +} + +/* igc_read_nvm_srrd_i225 - Reads Shadow Ram using EERD register + * @hw: pointer to the HW structure + * @offset: offset of word in the Shadow Ram to read + * @words: number of words to read + * @data: word read from the Shadow Ram + * + * Reads a 16 bit word from the Shadow Ram using the EERD register. + * Uses necessary synchronization semaphores. + */ +s32 igc_read_nvm_srrd_i225(struct igc_hw *hw, u16 offset, u16 words, + u16 *data) +{ + s32 status = IGC_SUCCESS; + u16 i, count; + + DEBUGFUNC("igc_read_nvm_srrd_i225"); + + /* We cannot hold synchronization semaphores for too long, + * because of forceful takeover procedure. However it is more efficient + * to read in bursts than synchronizing access for each word. + */ + for (i = 0; i < words; i += IGC_EERD_EEWR_MAX_COUNT) { + count = (words - i) / IGC_EERD_EEWR_MAX_COUNT > 0 ? + IGC_EERD_EEWR_MAX_COUNT : (words - i); + if (hw->nvm.ops.acquire(hw) == IGC_SUCCESS) { + status = igc_read_nvm_eerd(hw, offset, count, + data + i); + hw->nvm.ops.release(hw); + } else { + status = IGC_ERR_SWFW_SYNC; + } + + if (status != IGC_SUCCESS) + break; + } + + return status; +} + +/* igc_write_nvm_srwr_i225 - Write to Shadow RAM using EEWR + * @hw: pointer to the HW structure + * @offset: offset within the Shadow RAM to be written to + * @words: number of words to write + * @data: 16 bit word(s) to be written to the Shadow RAM + * + * Writes data to Shadow RAM at offset using EEWR register. + * + * If igc_update_nvm_checksum is not called after this function , the + * data will not be committed to FLASH and also Shadow RAM will most likely + * contain an invalid checksum. + * + * If error code is returned, data and Shadow RAM may be inconsistent - buffer + * partially written. + */ +s32 igc_write_nvm_srwr_i225(struct igc_hw *hw, u16 offset, u16 words, + u16 *data) +{ + s32 status = IGC_SUCCESS; + u16 i, count; + + DEBUGFUNC("igc_write_nvm_srwr_i225"); + + /* We cannot hold synchronization semaphores for too long, + * because of forceful takeover procedure. However it is more efficient + * to write in bursts than synchronizing access for each word. + */ + for (i = 0; i < words; i += IGC_EERD_EEWR_MAX_COUNT) { + count = (words - i) / IGC_EERD_EEWR_MAX_COUNT > 0 ? + IGC_EERD_EEWR_MAX_COUNT : (words - i); + if (hw->nvm.ops.acquire(hw) == IGC_SUCCESS) { + status = __igc_write_nvm_srwr(hw, offset, count, + data + i); + hw->nvm.ops.release(hw); + } else { + status = IGC_ERR_SWFW_SYNC; + } + + if (status != IGC_SUCCESS) + break; + } + + return status; +} + +/* __igc_write_nvm_srwr - Write to Shadow Ram using EEWR + * @hw: pointer to the HW structure + * @offset: offset within the Shadow Ram to be written to + * @words: number of words to write + * @data: 16 bit word(s) to be written to the Shadow Ram + * + * Writes data to Shadow Ram at offset using EEWR register. + * + * If igc_update_nvm_checksum is not called after this function , the + * Shadow Ram will most likely contain an invalid checksum. + */ +static s32 __igc_write_nvm_srwr(struct igc_hw *hw, u16 offset, u16 words, + u16 *data) +{ + struct igc_nvm_info *nvm = &hw->nvm; + u32 i, k, eewr = 0; + u32 attempts = 100000; + s32 ret_val = IGC_SUCCESS; + + DEBUGFUNC("__igc_write_nvm_srwr"); + + /* A check for invalid values: offset too large, too many words, + * too many words for the offset, and not enough words. + */ + if (offset >= nvm->word_size || words > (nvm->word_size - offset) || + words == 0) { + DEBUGOUT("nvm parameter(s) out of bounds\n"); + ret_val = -IGC_ERR_NVM; + goto out; + } + + for (i = 0; i < words; i++) { + eewr = ((offset + i) << IGC_NVM_RW_ADDR_SHIFT) | + (data[i] << IGC_NVM_RW_REG_DATA) | + IGC_NVM_RW_REG_START; + + IGC_WRITE_REG(hw, IGC_SRWR, eewr); + + for (k = 0; k < attempts; k++) { + if (IGC_NVM_RW_REG_DONE & + IGC_READ_REG(hw, IGC_SRWR)) { + ret_val = IGC_SUCCESS; + break; + } + usec_delay(5); + } + + if (ret_val != IGC_SUCCESS) { + DEBUGOUT("Shadow RAM write EEWR timed out\n"); + break; + } + } + +out: + return ret_val; +} + +/* igc_read_invm_version_i225 - Reads iNVM version and image type + * @hw: pointer to the HW structure + * @invm_ver: version structure for the version read + * + * Reads iNVM version and image type. + */ +s32 igc_read_invm_version_i225(struct igc_hw *hw, + struct igc_fw_version *invm_ver) +{ + u32 *record = NULL; + u32 *next_record = NULL; + u32 i = 0; + u32 invm_dword = 0; + u32 invm_blocks = IGC_INVM_SIZE - (IGC_INVM_ULT_BYTES_SIZE / + IGC_INVM_RECORD_SIZE_IN_BYTES); + u32 buffer[IGC_INVM_SIZE]; + s32 status = -IGC_ERR_INVM_VALUE_NOT_FOUND; + u16 version = 0; + + DEBUGFUNC("igc_read_invm_version_i225"); + + /* Read iNVM memory */ + for (i = 0; i < IGC_INVM_SIZE; i++) { + invm_dword = IGC_READ_REG(hw, IGC_INVM_DATA_REG(i)); + buffer[i] = invm_dword; + } + + /* Read version number */ + for (i = 1; i < invm_blocks; i++) { + record = &buffer[invm_blocks - i]; + next_record = &buffer[invm_blocks - i + 1]; + + /* Check if we have first version location used */ + if (i == 1 && (*record & IGC_INVM_VER_FIELD_ONE) == 0) { + version = 0; + status = IGC_SUCCESS; + break; + } + /* Check if we have second version location used */ + else if ((i == 1) && + ((*record & IGC_INVM_VER_FIELD_TWO) == 0)) { + version = (*record & IGC_INVM_VER_FIELD_ONE) >> 3; + status = IGC_SUCCESS; + break; + } + /* Check if we have odd version location + * used and it is the last one used + */ + else if ((((*record & IGC_INVM_VER_FIELD_ONE) == 0) && + ((*record & 0x3) == 0)) || (((*record & 0x3) != 0) && + (i != 1))) { + version = (*next_record & IGC_INVM_VER_FIELD_TWO) + >> 13; + status = IGC_SUCCESS; + break; + } + /* Check if we have even version location + * used and it is the last one used + */ + else if (((*record & IGC_INVM_VER_FIELD_TWO) == 0) && + ((*record & 0x3) == 0)) { + version = (*record & IGC_INVM_VER_FIELD_ONE) >> 3; + status = IGC_SUCCESS; + break; + } + } + + if (status == IGC_SUCCESS) { + invm_ver->invm_major = (version & IGC_INVM_MAJOR_MASK) + >> IGC_INVM_MAJOR_SHIFT; + invm_ver->invm_minor = version & IGC_INVM_MINOR_MASK; + } + /* Read Image Type */ + for (i = 1; i < invm_blocks; i++) { + record = &buffer[invm_blocks - i]; + next_record = &buffer[invm_blocks - i + 1]; + + /* Check if we have image type in first location used */ + if (i == 1 && (*record & IGC_INVM_IMGTYPE_FIELD) == 0) { + invm_ver->invm_img_type = 0; + status = IGC_SUCCESS; + break; + } + /* Check if we have image type in first location used */ + else if ((((*record & 0x3) == 0) && + ((*record & IGC_INVM_IMGTYPE_FIELD) == 0)) || + ((((*record & 0x3) != 0) && (i != 1)))) { + invm_ver->invm_img_type = + (*next_record & IGC_INVM_IMGTYPE_FIELD) >> 23; + status = IGC_SUCCESS; + break; + } + } + return status; +} + +/* igc_validate_nvm_checksum_i225 - Validate EEPROM checksum + * @hw: pointer to the HW structure + * + * Calculates the EEPROM checksum by reading/adding each word of the EEPROM + * and then verifies that the sum of the EEPROM is equal to 0xBABA. + */ +s32 igc_validate_nvm_checksum_i225(struct igc_hw *hw) +{ + s32 status = IGC_SUCCESS; + s32 (*read_op_ptr)(struct igc_hw *hw, u16 offset, + u16 count, u16 *data); + + DEBUGFUNC("igc_validate_nvm_checksum_i225"); + + if (hw->nvm.ops.acquire(hw) == IGC_SUCCESS) { + /* Replace the read function with semaphore grabbing with + * the one that skips this for a while. + * We have semaphore taken already here. + */ + read_op_ptr = hw->nvm.ops.read; + hw->nvm.ops.read = igc_read_nvm_eerd; + + status = igc_validate_nvm_checksum_generic(hw); + + /* Revert original read operation. */ + hw->nvm.ops.read = read_op_ptr; + + hw->nvm.ops.release(hw); + } else { + status = IGC_ERR_SWFW_SYNC; + } + + return status; +} + +/* igc_update_nvm_checksum_i225 - Update EEPROM checksum + * @hw: pointer to the HW structure + * + * Updates the EEPROM checksum by reading/adding each word of the EEPROM + * up to the checksum. Then calculates the EEPROM checksum and writes the + * value to the EEPROM. Next commit EEPROM data onto the Flash. + */ +s32 igc_update_nvm_checksum_i225(struct igc_hw *hw) +{ + s32 ret_val; + u16 checksum = 0; + u16 i, nvm_data; + + DEBUGFUNC("igc_update_nvm_checksum_i225"); + + /* Read the first word from the EEPROM. If this times out or fails, do + * not continue or we could be in for a very long wait while every + * EEPROM read fails + */ + ret_val = igc_read_nvm_eerd(hw, 0, 1, &nvm_data); + if (ret_val != IGC_SUCCESS) { + DEBUGOUT("EEPROM read failed\n"); + goto out; + } + + if (hw->nvm.ops.acquire(hw) == IGC_SUCCESS) { + /* Do not use hw->nvm.ops.write, hw->nvm.ops.read + * because we do not want to take the synchronization + * semaphores twice here. + */ + + for (i = 0; i < NVM_CHECKSUM_REG; i++) { + ret_val = igc_read_nvm_eerd(hw, i, 1, &nvm_data); + if (ret_val) { + hw->nvm.ops.release(hw); + DEBUGOUT("NVM Read Error while updating\n"); + DEBUGOUT("checksum.\n"); + goto out; + } + checksum += nvm_data; + } + checksum = (u16)NVM_SUM - checksum; + ret_val = __igc_write_nvm_srwr(hw, NVM_CHECKSUM_REG, 1, + &checksum); + if (ret_val != IGC_SUCCESS) { + hw->nvm.ops.release(hw); + DEBUGOUT("NVM Write Error while updating checksum.\n"); + goto out; + } + + hw->nvm.ops.release(hw); + + ret_val = igc_update_flash_i225(hw); + } else { + ret_val = IGC_ERR_SWFW_SYNC; + } +out: + return ret_val; +} + +/* igc_get_flash_presence_i225 - Check if flash device is detected. + * @hw: pointer to the HW structure + */ +bool igc_get_flash_presence_i225(struct igc_hw *hw) +{ + u32 eec = 0; + bool ret_val = false; + + DEBUGFUNC("igc_get_flash_presence_i225"); + + eec = IGC_READ_REG(hw, IGC_EECD); + + if (eec & IGC_EECD_FLASH_DETECTED_I225) + ret_val = true; + + return ret_val; +} + +/* igc_set_flsw_flash_burst_counter_i225 - sets FLSW NVM Burst + * Counter in FLSWCNT register. + * + * @hw: pointer to the HW structure + * @burst_counter: size in bytes of the Flash burst to read or write + */ +s32 igc_set_flsw_flash_burst_counter_i225(struct igc_hw *hw, + u32 burst_counter) +{ + s32 ret_val = IGC_SUCCESS; + + DEBUGFUNC("igc_set_flsw_flash_burst_counter_i225"); + + /* Validate input data */ + if (burst_counter < IGC_I225_SHADOW_RAM_SIZE) { + /* Write FLSWCNT - burst counter */ + IGC_WRITE_REG(hw, IGC_I225_FLSWCNT, burst_counter); + } else { + ret_val = IGC_ERR_INVALID_ARGUMENT; + } + + return ret_val; +} + +/* igc_write_erase_flash_command_i225 - write/erase to a sector + * region on a given address. + * + * @hw: pointer to the HW structure + * @opcode: opcode to be used for the write command + * @address: the offset to write into the FLASH image + */ +s32 igc_write_erase_flash_command_i225(struct igc_hw *hw, u32 opcode, + u32 address) +{ + u32 flswctl = 0; + s32 timeout = IGC_NVM_GRANT_ATTEMPTS; + s32 ret_val = IGC_SUCCESS; + + DEBUGFUNC("igc_write_erase_flash_command_i225"); + + flswctl = IGC_READ_REG(hw, IGC_I225_FLSWCTL); + /* Polling done bit on FLSWCTL register */ + while (timeout) { + if (flswctl & IGC_FLSWCTL_DONE) + break; + usec_delay(5); + flswctl = IGC_READ_REG(hw, IGC_I225_FLSWCTL); + timeout--; + } + + if (!timeout) { + DEBUGOUT("Flash transaction was not done\n"); + return -IGC_ERR_NVM; + } + + /* Build and issue command on FLSWCTL register */ + flswctl = address | opcode; + IGC_WRITE_REG(hw, IGC_I225_FLSWCTL, flswctl); + + /* Check if issued command is valid on FLSWCTL register */ + flswctl = IGC_READ_REG(hw, IGC_I225_FLSWCTL); + if (!(flswctl & IGC_FLSWCTL_CMDV)) { + DEBUGOUT("Write flash command failed\n"); + ret_val = IGC_ERR_INVALID_ARGUMENT; + } + + return ret_val; +} + +/* igc_update_flash_i225 - Commit EEPROM to the flash + * if fw_valid_bit is set, FW is active. setting FLUPD bit in EEC + * register makes the FW load the internal shadow RAM into the flash. + * Otherwise, fw_valid_bit is 0. if FL_SECU.block_prtotected_sw = 0 + * then FW is not active so the SW is responsible shadow RAM dump. + * + * @hw: pointer to the HW structure + */ +s32 igc_update_flash_i225(struct igc_hw *hw) +{ + u16 current_offset_data = 0; + u32 block_sw_protect = 1; + u16 base_address = 0x0; + u32 i, fw_valid_bit; + u16 current_offset; + s32 ret_val = 0; + u32 flup; + + DEBUGFUNC("igc_update_flash_i225"); + + block_sw_protect = IGC_READ_REG(hw, IGC_I225_FLSECU) & + IGC_FLSECU_BLK_SW_ACCESS_I225; + fw_valid_bit = IGC_READ_REG(hw, IGC_FWSM) & + IGC_FWSM_FW_VALID_I225; + if (fw_valid_bit) { + ret_val = igc_pool_flash_update_done_i225(hw); + if (ret_val == -IGC_ERR_NVM) { + DEBUGOUT("Flash update time out\n"); + goto out; + } + + flup = IGC_READ_REG(hw, IGC_EECD) | IGC_EECD_FLUPD_I225; + IGC_WRITE_REG(hw, IGC_EECD, flup); + + ret_val = igc_pool_flash_update_done_i225(hw); + if (ret_val == IGC_SUCCESS) + DEBUGOUT("Flash update complete\n"); + else + DEBUGOUT("Flash update time out\n"); + } else if (!block_sw_protect) { + /* FW is not active and security protection is disabled. + * therefore, SW is in charge of shadow RAM dump. + * Check which sector is valid. if sector 0 is valid, + * base address remains 0x0. otherwise, sector 1 is + * valid and it's base address is 0x1000 + */ + if (IGC_READ_REG(hw, IGC_EECD) & IGC_EECD_SEC1VAL_I225) + base_address = 0x1000; + + /* Valid sector erase */ + ret_val = igc_write_erase_flash_command_i225(hw, + IGC_I225_ERASE_CMD_OPCODE, + base_address); + if (!ret_val) { + DEBUGOUT("Sector erase failed\n"); + goto out; + } + + current_offset = base_address; + + /* Write */ + for (i = 0; i < IGC_I225_SHADOW_RAM_SIZE / 2; i++) { + /* Set burst write length */ + ret_val = igc_set_flsw_flash_burst_counter_i225(hw, + 0x2); + if (ret_val != IGC_SUCCESS) + break; + + /* Set address and opcode */ + ret_val = igc_write_erase_flash_command_i225(hw, + IGC_I225_WRITE_CMD_OPCODE, + 2 * current_offset); + if (ret_val != IGC_SUCCESS) + break; + + ret_val = igc_read_nvm_eerd(hw, current_offset, + 1, ¤t_offset_data); + if (ret_val) { + DEBUGOUT("Failed to read from EEPROM\n"); + goto out; + } + + /* Write CurrentOffseData to FLSWDATA register */ + IGC_WRITE_REG(hw, IGC_I225_FLSWDATA, + current_offset_data); + current_offset++; + + /* Wait till operation has finished */ + ret_val = igc_poll_eerd_eewr_done(hw, + IGC_NVM_POLL_READ); + if (ret_val) + break; + + usec_delay(1000); + } + } +out: + return ret_val; +} + +/* igc_pool_flash_update_done_i225 - Pool FLUDONE status. + * @hw: pointer to the HW structure + */ +s32 igc_pool_flash_update_done_i225(struct igc_hw *hw) +{ + s32 ret_val = -IGC_ERR_NVM; + u32 i, reg; + + DEBUGFUNC("igc_pool_flash_update_done_i225"); + + for (i = 0; i < IGC_FLUDONE_ATTEMPTS; i++) { + reg = IGC_READ_REG(hw, IGC_EECD); + if (reg & IGC_EECD_FLUDONE_I225) { + ret_val = IGC_SUCCESS; + break; + } + usec_delay(5); + } + + return ret_val; +} + +/* igc_set_ltr_i225 - Set Latency Tolerance Reporting thresholds. + * @hw: pointer to the HW structure + * @link: bool indicating link status + * + * Set the LTR thresholds based on the link speed (Mbps), EEE, and DMAC + * settings, otherwise specify that there is no LTR requirement. + */ +static s32 igc_set_ltr_i225(struct igc_hw *hw, bool link) +{ + u16 speed, duplex; + u32 tw_system, ltrc, ltrv, ltr_min, ltr_max, scale_min, scale_max; + s32 size; + + DEBUGFUNC("igc_set_ltr_i225"); + + /* If we do not have link, LTR thresholds are zero. */ + if (link) { + hw->mac.ops.get_link_up_info(hw, &speed, &duplex); + + /* Check if using copper interface with EEE enabled or if the + * link speed is 10 Mbps. + */ + if (hw->phy.media_type == igc_media_type_copper && + !hw->dev_spec._i225.eee_disable && + speed != SPEED_10) { + /* EEE enabled, so send LTRMAX threshold. */ + ltrc = IGC_READ_REG(hw, IGC_LTRC) | + IGC_LTRC_EEEMS_EN; + IGC_WRITE_REG(hw, IGC_LTRC, ltrc); + + /* Calculate tw_system (nsec). */ + if (speed == SPEED_100) + tw_system = ((IGC_READ_REG(hw, IGC_EEE_SU) & + IGC_TW_SYSTEM_100_MASK) >> + IGC_TW_SYSTEM_100_SHIFT) * 500; + else + tw_system = (IGC_READ_REG(hw, IGC_EEE_SU) & + IGC_TW_SYSTEM_1000_MASK) * 500; + } else { + tw_system = 0; + } + + /* Get the Rx packet buffer size. */ + size = IGC_READ_REG(hw, IGC_RXPBS) & + IGC_RXPBS_SIZE_I225_MASK; + + /* Calculations vary based on DMAC settings. */ + if (IGC_READ_REG(hw, IGC_DMACR) & IGC_DMACR_DMAC_EN) { + size -= (IGC_READ_REG(hw, IGC_DMACR) & + IGC_DMACR_DMACTHR_MASK) >> + IGC_DMACR_DMACTHR_SHIFT; + /* Convert size to bits. */ + size *= 1024 * 8; + } else { + /* Convert size to bytes, subtract the MTU, and then + * convert the size to bits. + */ + size *= 1024; + size -= hw->dev_spec._i225.mtu; + size *= 8; + } + + if (size < 0) { + DEBUGOUT1("Invalid effective Rx buffer size %d\n", + size); + return -IGC_ERR_CONFIG; + } + + /* Calculate the thresholds. Since speed is in Mbps, simplify + * the calculation by multiplying size/speed by 1000 for result + * to be in nsec before dividing by the scale in nsec. Set the + * scale such that the LTR threshold fits in the register. + */ + ltr_min = (1000 * size) / speed; + ltr_max = ltr_min + tw_system; + scale_min = (ltr_min / 1024) < 1024 ? IGC_LTRMINV_SCALE_1024 : + IGC_LTRMINV_SCALE_32768; + scale_max = (ltr_max / 1024) < 1024 ? IGC_LTRMAXV_SCALE_1024 : + IGC_LTRMAXV_SCALE_32768; + ltr_min /= scale_min == IGC_LTRMINV_SCALE_1024 ? 1024 : 32768; + ltr_max /= scale_max == IGC_LTRMAXV_SCALE_1024 ? 1024 : 32768; + + /* Only write the LTR thresholds if they differ from before. */ + ltrv = IGC_READ_REG(hw, IGC_LTRMINV); + if (ltr_min != (ltrv & IGC_LTRMINV_LTRV_MASK)) { + ltrv = IGC_LTRMINV_LSNP_REQ | ltr_min | + (scale_min << IGC_LTRMINV_SCALE_SHIFT); + IGC_WRITE_REG(hw, IGC_LTRMINV, ltrv); + } + + ltrv = IGC_READ_REG(hw, IGC_LTRMAXV); + if (ltr_max != (ltrv & IGC_LTRMAXV_LTRV_MASK)) { + ltrv = IGC_LTRMAXV_LSNP_REQ | ltr_max | + (scale_min << IGC_LTRMAXV_SCALE_SHIFT); + IGC_WRITE_REG(hw, IGC_LTRMAXV, ltrv); + } + } + + return IGC_SUCCESS; +} + +/* igc_check_for_link_i225 - Check for link + * @hw: pointer to the HW structure + * + * Checks to see of the link status of the hardware has changed. If a + * change in link status has been detected, then we read the PHY registers + * to get the current speed/duplex if link exists. + */ +s32 igc_check_for_link_i225(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + s32 ret_val; + bool link = false; + + DEBUGFUNC("igc_check_for_link_i225"); + + /* We only want to go out to the PHY registers to see if + * Auto-Neg has completed and/or if our link status has + * changed. The get_link_status flag is set upon receiving + * a Link Status Change or Rx Sequence Error interrupt. + */ + if (!mac->get_link_status) { + ret_val = IGC_SUCCESS; + goto out; + } + + /* First we want to see if the MII Status Register reports + * link. If so, then we want to get the current speed/duplex + * of the PHY. + */ + ret_val = igc_phy_has_link_generic(hw, 1, 0, &link); + if (ret_val) + goto out; + + if (!link) + goto out; /* No link detected */ + + mac->get_link_status = false; + + /* Check if there was DownShift, must be checked + * immediately after link-up + */ + igc_check_downshift_generic(hw); + + /* If we are forcing speed/duplex, then we simply return since + * we have already determined whether we have link or not. + */ + if (!mac->autoneg) + goto out; + + /* Auto-Neg is enabled. Auto Speed Detection takes care + * of MAC speed/duplex configuration. So we only need to + * configure Collision Distance in the MAC. + */ + mac->ops.config_collision_dist(hw); + + /* Configure Flow Control now that Auto-Neg has completed. + * First, we need to restore the desired flow control + * settings because we may have had to re-autoneg with a + * different link partner. + */ + ret_val = igc_config_fc_after_link_up_generic(hw); + if (ret_val) + DEBUGOUT("Error configuring flow control\n"); +out: + /* Now that we are aware of our link settings, we can set the LTR + * thresholds. + */ + ret_val = igc_set_ltr_i225(hw, link); + + return ret_val; +} + +/* igc_init_function_pointers_i225 - Init func ptrs. + * @hw: pointer to the HW structure + * + * Called to initialize all function pointers and parameters. + */ +void igc_init_function_pointers_i225(struct igc_hw *hw) +{ + igc_init_mac_ops_generic(hw); + igc_init_phy_ops_generic(hw); + igc_init_nvm_ops_generic(hw); + hw->mac.ops.init_params = igc_init_mac_params_i225; + hw->nvm.ops.init_params = igc_init_nvm_params_i225; + hw->phy.ops.init_params = igc_init_phy_params_i225; +} + +/* igc_valid_led_default_i225 - Verify a valid default LED config + * @hw: pointer to the HW structure + * @data: pointer to the NVM (EEPROM) + * + * Read the EEPROM for the current default LED configuration. If the + * LED configuration is not valid, set to a valid LED configuration. + */ +static s32 igc_valid_led_default_i225(struct igc_hw *hw, u16 *data) +{ + s32 ret_val; + + DEBUGFUNC("igc_valid_led_default_i225"); + + ret_val = hw->nvm.ops.read(hw, NVM_ID_LED_SETTINGS, 1, data); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + goto out; + } + + if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) { + switch (hw->phy.media_type) { + case igc_media_type_internal_serdes: + *data = ID_LED_DEFAULT_I225_SERDES; + break; + case igc_media_type_copper: + default: + *data = ID_LED_DEFAULT_I225; + break; + } + } +out: + return ret_val; +} + +/* igc_get_cfg_done_i225 - Read config done bit + * @hw: pointer to the HW structure + * + * Read the management control register for the config done bit for + * completion status. NOTE: silicon which is EEPROM-less will fail trying + * to read the config done bit, so an error is *ONLY* logged and returns + * IGC_SUCCESS. If we were to return with error, EEPROM-less silicon + * would not be able to be reset or change link. + */ +static s32 igc_get_cfg_done_i225(struct igc_hw *hw) +{ + s32 timeout = PHY_CFG_TIMEOUT; + u32 mask = IGC_NVM_CFG_DONE_PORT_0; + + DEBUGFUNC("igc_get_cfg_done_i225"); + + while (timeout) { + if (IGC_READ_REG(hw, IGC_EEMNGCTL_I225) & mask) + break; + msec_delay(1); + timeout--; + } + if (!timeout) + DEBUGOUT("MNG configuration cycle has not completed.\n"); + + return IGC_SUCCESS; +} + +/* igc_init_hw_i225 - Init hw for I225 + * @hw: pointer to the HW structure + * + * Called to initialize hw for i225 hw family. + */ +s32 igc_init_hw_i225(struct igc_hw *hw) +{ + s32 ret_val; + + DEBUGFUNC("igc_init_hw_i225"); + + hw->phy.ops.get_cfg_done = igc_get_cfg_done_i225; + ret_val = igc_init_hw_base(hw); + return ret_val; +} + +/* + * igc_set_d0_lplu_state_i225 - Set Low-Power-Link-Up (LPLU) D0 state + * @hw: pointer to the HW structure + * @active: true to enable LPLU, false to disable + * + * Note: since I225 does not actually support LPLU, this function + * simply enables/disables 1G and 2.5G speeds in D0. + */ +s32 igc_set_d0_lplu_state_i225(struct igc_hw *hw, bool active) +{ + u32 data; + + DEBUGFUNC("igc_set_d0_lplu_state_i225"); + + data = IGC_READ_REG(hw, IGC_I225_PHPM); + + if (active) { + data |= IGC_I225_PHPM_DIS_1000; + data |= IGC_I225_PHPM_DIS_2500; + } else { + data &= ~IGC_I225_PHPM_DIS_1000; + data &= ~IGC_I225_PHPM_DIS_2500; + } + + IGC_WRITE_REG(hw, IGC_I225_PHPM, data); + return IGC_SUCCESS; +} + +/* + * igc_set_d3_lplu_state_i225 - Set Low-Power-Link-Up (LPLU) D3 state + * @hw: pointer to the HW structure + * @active: true to enable LPLU, false to disable + * + * Note: since I225 does not actually support LPLU, this function + * simply enables/disables 100M, 1G and 2.5G speeds in D3. + */ +s32 igc_set_d3_lplu_state_i225(struct igc_hw *hw, bool active) +{ + u32 data; + + DEBUGFUNC("igc_set_d3_lplu_state_i225"); + + data = IGC_READ_REG(hw, IGC_I225_PHPM); + + if (active) { + data |= IGC_I225_PHPM_DIS_100_D3; + data |= IGC_I225_PHPM_DIS_1000_D3; + data |= IGC_I225_PHPM_DIS_2500_D3; + } else { + data &= ~IGC_I225_PHPM_DIS_100_D3; + data &= ~IGC_I225_PHPM_DIS_1000_D3; + data &= ~IGC_I225_PHPM_DIS_2500_D3; + } + + IGC_WRITE_REG(hw, IGC_I225_PHPM, data); + return IGC_SUCCESS; +} + +/** + * igc_set_eee_i225 - Enable/disable EEE support + * @hw: pointer to the HW structure + * @adv2p5G: boolean flag enabling 2.5G EEE advertisement + * @adv1G: boolean flag enabling 1G EEE advertisement + * @adv100M: boolean flag enabling 100M EEE advertisement + * + * Enable/disable EEE based on setting in dev_spec structure. + * + **/ +s32 igc_set_eee_i225(struct igc_hw *hw, bool adv2p5G, bool adv1G, + bool adv100M) +{ + u32 ipcnfg, eeer; + + DEBUGFUNC("igc_set_eee_i225"); + + if (hw->mac.type != igc_i225 || + hw->phy.media_type != igc_media_type_copper) + goto out; + ipcnfg = IGC_READ_REG(hw, IGC_IPCNFG); + eeer = IGC_READ_REG(hw, IGC_EEER); + + /* enable or disable per user setting */ + if (!(hw->dev_spec._i225.eee_disable)) { + u32 eee_su = IGC_READ_REG(hw, IGC_EEE_SU); + + if (adv100M) + ipcnfg |= IGC_IPCNFG_EEE_100M_AN; + else + ipcnfg &= ~IGC_IPCNFG_EEE_100M_AN; + + if (adv1G) + ipcnfg |= IGC_IPCNFG_EEE_1G_AN; + else + ipcnfg &= ~IGC_IPCNFG_EEE_1G_AN; + + if (adv2p5G) + ipcnfg |= IGC_IPCNFG_EEE_2_5G_AN; + else + ipcnfg &= ~IGC_IPCNFG_EEE_2_5G_AN; + + eeer |= (IGC_EEER_TX_LPI_EN | IGC_EEER_RX_LPI_EN | + IGC_EEER_LPI_FC); + + /* This bit should not be set in normal operation. */ + if (eee_su & IGC_EEE_SU_LPI_CLK_STP) + DEBUGOUT("LPI Clock Stop Bit should not be set!\n"); + } else { + ipcnfg &= ~(IGC_IPCNFG_EEE_2_5G_AN | IGC_IPCNFG_EEE_1G_AN | + IGC_IPCNFG_EEE_100M_AN); + eeer &= ~(IGC_EEER_TX_LPI_EN | IGC_EEER_RX_LPI_EN | + IGC_EEER_LPI_FC); + } + IGC_WRITE_REG(hw, IGC_IPCNFG, ipcnfg); + IGC_WRITE_REG(hw, IGC_EEER, eeer); + IGC_READ_REG(hw, IGC_IPCNFG); + IGC_READ_REG(hw, IGC_EEER); +out: + + return IGC_SUCCESS; +} diff --git a/drivers/net/igc/base/igc_i225.h b/drivers/net/igc/base/igc_i225.h new file mode 100644 index 0000000000..bae75acee0 --- /dev/null +++ b/drivers/net/igc/base/igc_i225.h @@ -0,0 +1,110 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_I225_H_ +#define _IGC_I225_H_ + +bool igc_get_flash_presence_i225(struct igc_hw *hw); +s32 igc_update_flash_i225(struct igc_hw *hw); +s32 igc_update_nvm_checksum_i225(struct igc_hw *hw); +s32 igc_validate_nvm_checksum_i225(struct igc_hw *hw); +s32 igc_write_nvm_srwr_i225(struct igc_hw *hw, u16 offset, + u16 words, u16 *data); +s32 igc_read_nvm_srrd_i225(struct igc_hw *hw, u16 offset, + u16 words, u16 *data); +s32 igc_read_invm_version_i225(struct igc_hw *hw, + struct igc_fw_version *invm_ver); +s32 igc_set_flsw_flash_burst_counter_i225(struct igc_hw *hw, + u32 burst_counter); +s32 igc_write_erase_flash_command_i225(struct igc_hw *hw, u32 opcode, + u32 address); +s32 igc_check_for_link_i225(struct igc_hw *hw); +s32 igc_acquire_swfw_sync_i225(struct igc_hw *hw, u16 mask); +void igc_release_swfw_sync_i225(struct igc_hw *hw, u16 mask); +s32 igc_init_hw_i225(struct igc_hw *hw); +s32 igc_setup_copper_link_i225(struct igc_hw *hw); +s32 igc_set_d0_lplu_state_i225(struct igc_hw *hw, bool active); +s32 igc_set_d3_lplu_state_i225(struct igc_hw *hw, bool active); +s32 igc_set_eee_i225(struct igc_hw *hw, bool adv2p5G, bool adv1G, + bool adv100M); + +#define ID_LED_DEFAULT_I225 ((ID_LED_OFF1_ON2 << 8) | \ + (ID_LED_DEF1_DEF2 << 4) | \ + (ID_LED_OFF1_OFF2)) +#define ID_LED_DEFAULT_I225_SERDES ((ID_LED_DEF1_DEF2 << 8) | \ + (ID_LED_DEF1_DEF2 << 4) | \ + (ID_LED_OFF1_ON2)) + +/* NVM offset defaults for I225 devices */ +#define NVM_INIT_CTRL_2_DEFAULT_I225 0X7243 +#define NVM_INIT_CTRL_4_DEFAULT_I225 0x00C1 +#define NVM_LED_1_CFG_DEFAULT_I225 0x0184 +#define NVM_LED_0_2_CFG_DEFAULT_I225 0x200C + +#define IGC_MRQC_ENABLE_RSS_4Q 0x00000002 +#define IGC_MRQC_ENABLE_VMDQ 0x00000003 +#define IGC_MRQC_ENABLE_VMDQ_RSS_2Q 0x00000005 +#define IGC_MRQC_RSS_FIELD_IPV4_UDP 0x00400000 +#define IGC_MRQC_RSS_FIELD_IPV6_UDP 0x00800000 +#define IGC_MRQC_RSS_FIELD_IPV6_UDP_EX 0x01000000 +#define IGC_I225_SHADOW_RAM_SIZE 4096 +#define IGC_I225_ERASE_CMD_OPCODE 0x02000000 +#define IGC_I225_WRITE_CMD_OPCODE 0x01000000 +#define IGC_FLSWCTL_DONE 0x40000000 +#define IGC_FLSWCTL_CMDV 0x10000000 + +/* SRRCTL bit definitions */ +#define IGC_SRRCTL_BSIZEHDRSIZE_MASK 0x00000F00 +#define IGC_SRRCTL_DESCTYPE_LEGACY 0x00000000 +#define IGC_SRRCTL_DESCTYPE_HDR_SPLIT 0x04000000 +#define IGC_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000 +#define IGC_SRRCTL_DESCTYPE_HDR_REPLICATION 0x06000000 +#define IGC_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000 +#define IGC_SRRCTL_DESCTYPE_MASK 0x0E000000 +#define IGC_SRRCTL_DROP_EN 0x80000000 +#define IGC_SRRCTL_BSIZEPKT_MASK 0x0000007F +#define IGC_SRRCTL_BSIZEHDR_MASK 0x00003F00 + +#define IGC_RXDADV_RSSTYPE_MASK 0x0000000F +#define IGC_RXDADV_RSSTYPE_SHIFT 12 +#define IGC_RXDADV_HDRBUFLEN_MASK 0x7FE0 +#define IGC_RXDADV_HDRBUFLEN_SHIFT 5 +#define IGC_RXDADV_SPLITHEADER_EN 0x00001000 +#define IGC_RXDADV_SPH 0x8000 +#define IGC_RXDADV_STAT_TS 0x10000 /* Pkt was time stamped */ +#define IGC_RXDADV_ERR_HBO 0x00800000 + +/* RSS Hash results */ +#define IGC_RXDADV_RSSTYPE_NONE 0x00000000 +#define IGC_RXDADV_RSSTYPE_IPV4_TCP 0x00000001 +#define IGC_RXDADV_RSSTYPE_IPV4 0x00000002 +#define IGC_RXDADV_RSSTYPE_IPV6_TCP 0x00000003 +#define IGC_RXDADV_RSSTYPE_IPV6_EX 0x00000004 +#define IGC_RXDADV_RSSTYPE_IPV6 0x00000005 +#define IGC_RXDADV_RSSTYPE_IPV6_TCP_EX 0x00000006 +#define IGC_RXDADV_RSSTYPE_IPV4_UDP 0x00000007 +#define IGC_RXDADV_RSSTYPE_IPV6_UDP 0x00000008 +#define IGC_RXDADV_RSSTYPE_IPV6_UDP_EX 0x00000009 + +/* RSS Packet Types as indicated in the receive descriptor */ +#define IGC_RXDADV_PKTTYPE_ILMASK 0x000000F0 +#define IGC_RXDADV_PKTTYPE_TLMASK 0x00000F00 +#define IGC_RXDADV_PKTTYPE_NONE 0x00000000 +#define IGC_RXDADV_PKTTYPE_IPV4 0x00000010 /* IPV4 hdr present */ +#define IGC_RXDADV_PKTTYPE_IPV4_EX 0x00000020 /* IPV4 hdr + extensions */ +#define IGC_RXDADV_PKTTYPE_IPV6 0x00000040 /* IPV6 hdr present */ +#define IGC_RXDADV_PKTTYPE_IPV6_EX 0x00000080 /* IPV6 hdr + extensions */ +#define IGC_RXDADV_PKTTYPE_TCP 0x00000100 /* TCP hdr present */ +#define IGC_RXDADV_PKTTYPE_UDP 0x00000200 /* UDP hdr present */ +#define IGC_RXDADV_PKTTYPE_SCTP 0x00000400 /* SCTP hdr present */ +#define IGC_RXDADV_PKTTYPE_NFS 0x00000800 /* NFS hdr present */ + +#define IGC_RXDADV_PKTTYPE_IPSEC_ESP 0x00001000 /* IPSec ESP */ +#define IGC_RXDADV_PKTTYPE_IPSEC_AH 0x00002000 /* IPSec AH */ +#define IGC_RXDADV_PKTTYPE_LINKSEC 0x00004000 /* LinkSec Encap */ +#define IGC_RXDADV_PKTTYPE_ETQF 0x00008000 /* PKTTYPE is ETQF index */ +#define IGC_RXDADV_PKTTYPE_ETQF_MASK 0x00000070 /* ETQF has 8 indices */ +#define IGC_RXDADV_PKTTYPE_ETQF_SHIFT 4 /* Right-shift 4 bits */ + +#endif diff --git a/drivers/net/igc/base/igc_ich8lan.h b/drivers/net/igc/base/igc_ich8lan.h new file mode 100644 index 0000000000..608716c6e0 --- /dev/null +++ b/drivers/net/igc/base/igc_ich8lan.h @@ -0,0 +1,296 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_ICH8LAN_H_ +#define _IGC_ICH8LAN_H_ + +#define ICH_FLASH_GFPREG 0x0000 +#define ICH_FLASH_HSFSTS 0x0004 +#define ICH_FLASH_HSFCTL 0x0006 +#define ICH_FLASH_FADDR 0x0008 +#define ICH_FLASH_FDATA0 0x0010 + +/* Requires up to 10 seconds when MNG might be accessing part. */ +#define ICH_FLASH_READ_COMMAND_TIMEOUT 10000000 +#define ICH_FLASH_WRITE_COMMAND_TIMEOUT 10000000 +#define ICH_FLASH_ERASE_COMMAND_TIMEOUT 10000000 +#define ICH_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF +#define ICH_FLASH_CYCLE_REPEAT_COUNT 10 + +#define ICH_CYCLE_READ 0 +#define ICH_CYCLE_WRITE 2 +#define ICH_CYCLE_ERASE 3 + +#define FLASH_GFPREG_BASE_MASK 0x1FFF +#define FLASH_SECTOR_ADDR_SHIFT 12 + +#define ICH_FLASH_SEG_SIZE_256 256 +#define ICH_FLASH_SEG_SIZE_4K 4096 +#define ICH_FLASH_SEG_SIZE_8K 8192 +#define ICH_FLASH_SEG_SIZE_64K 65536 + +#define IGC_ICH_FWSM_RSPCIPHY 0x00000040 /* Reset PHY on PCI Reset */ +/* FW established a valid mode */ +#define IGC_ICH_FWSM_FW_VALID 0x00008000 +#define IGC_ICH_FWSM_PCIM2PCI 0x01000000 /* ME PCIm-to-PCI active */ +#define IGC_ICH_FWSM_PCIM2PCI_COUNT 2000 + +#define IGC_ICH_MNG_IAMT_MODE 0x2 + +#define IGC_FWSM_WLOCK_MAC_MASK 0x0380 +#define IGC_FWSM_WLOCK_MAC_SHIFT 7 +#define IGC_FWSM_ULP_CFG_DONE 0x00000400 /* Low power cfg done */ + +/* Shared Receive Address Registers */ +#define IGC_SHRAL_PCH_LPT(_i) (0x05408 + ((_i) * 8)) +#define IGC_SHRAH_PCH_LPT(_i) (0x0540C + ((_i) * 8)) + +#define IGC_H2ME 0x05B50 /* Host to ME */ +#define IGC_H2ME_ULP 0x00000800 /* ULP Indication Bit */ +#define IGC_H2ME_ENFORCE_SETTINGS 0x00001000 /* Enforce Settings */ + +#define ID_LED_DEFAULT_ICH8LAN ((ID_LED_DEF1_DEF2 << 12) | \ + (ID_LED_OFF1_OFF2 << 8) | \ + (ID_LED_OFF1_ON2 << 4) | \ + (ID_LED_DEF1_DEF2)) + +#define IGC_ICH_NVM_SIG_WORD 0x13 +#define IGC_ICH_NVM_SIG_MASK 0xC000 +#define IGC_ICH_NVM_VALID_SIG_MASK 0xC0 +#define IGC_ICH_NVM_SIG_VALUE 0x80 + +#define IGC_ICH8_LAN_INIT_TIMEOUT 1500 + +/* FEXT register bit definition */ +#define IGC_FEXT_PHY_CABLE_DISCONNECTED 0x00000004 + +#define IGC_FEXTNVM_SW_CONFIG 1 +#define IGC_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* different on ICH8M */ + +#define IGC_FEXTNVM3_PHY_CFG_COUNTER_MASK 0x0C000000 +#define IGC_FEXTNVM3_PHY_CFG_COUNTER_50MSEC 0x08000000 + +#define IGC_FEXTNVM4_BEACON_DURATION_MASK 0x7 +#define IGC_FEXTNVM4_BEACON_DURATION_8USEC 0x7 +#define IGC_FEXTNVM4_BEACON_DURATION_16USEC 0x3 + +#define IGC_FEXTNVM6_REQ_PLL_CLK 0x00000100 +#define IGC_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION 0x00000200 +#define IGC_FEXTNVM6_K1_OFF_ENABLE 0x80000000 +/* bit for disabling packet buffer read */ +#define IGC_FEXTNVM7_DISABLE_PB_READ 0x00040000 +#define IGC_FEXTNVM7_SIDE_CLK_UNGATE 0x00000004 +#define IGC_FEXTNVM7_DISABLE_SMB_PERST 0x00000020 +#define IGC_FEXTNVM9_IOSFSB_CLKGATE_DIS 0x00000800 +#define IGC_FEXTNVM9_IOSFSB_CLKREQ_DIS 0x00001000 +#define IGC_FEXTNVM11_DISABLE_PB_READ 0x00000200 +#define IGC_FEXTNVM11_DISABLE_MULR_FIX 0x00002000 + +/* bit24: RXDCTL thresholds granularity: 0 - cache lines, 1 - descriptors */ +#define IGC_RXDCTL_THRESH_UNIT_DESC 0x01000000 + +#define NVM_SIZE_MULTIPLIER 4096 /*multiplier for NVMS field*/ +#define IGC_FLASH_BASE_ADDR 0xE000 /*offset of NVM access regs*/ +#define IGC_CTRL_EXT_NVMVS 0x3 /*NVM valid sector */ +#define IGC_TARC0_CB_MULTIQ_3_REQ 0x30000000 +#define IGC_TARC0_CB_MULTIQ_2_REQ 0x20000000 +#define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL + +#define IGC_ICH_RAR_ENTRIES 7 +#define IGC_PCH2_RAR_ENTRIES 5 /* RAR[0], SHRA[0-3] */ +#define IGC_PCH_LPT_RAR_ENTRIES 12 /* RAR[0], SHRA[0-10] */ + +#define PHY_PAGE_SHIFT 5 +#define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \ + ((reg) & MAX_PHY_REG_ADDRESS)) +#define IGP3_KMRN_DIAG PHY_REG(770, 19) /* KMRN Diagnostic */ +#define IGP3_VR_CTRL PHY_REG(776, 18) /* Voltage Regulator Control */ + +#define IGP3_KMRN_DIAG_PCS_LOCK_LOSS 0x0002 +#define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300 +#define IGP3_VR_CTRL_MODE_SHUTDOWN 0x0200 + +/* PHY Wakeup Registers and defines */ +#define BM_PORT_GEN_CFG PHY_REG(BM_PORT_CTRL_PAGE, 17) +#define BM_RCTL PHY_REG(BM_WUC_PAGE, 0) +#define BM_WUC PHY_REG(BM_WUC_PAGE, 1) +#define BM_WUFC PHY_REG(BM_WUC_PAGE, 2) +#define BM_WUS PHY_REG(BM_WUC_PAGE, 3) +#define BM_RAR_L(_i) (BM_PHY_REG(BM_WUC_PAGE, 16 + ((_i) << 2))) +#define BM_RAR_M(_i) (BM_PHY_REG(BM_WUC_PAGE, 17 + ((_i) << 2))) +#define BM_RAR_H(_i) (BM_PHY_REG(BM_WUC_PAGE, 18 + ((_i) << 2))) +#define BM_RAR_CTRL(_i) (BM_PHY_REG(BM_WUC_PAGE, 19 + ((_i) << 2))) +#define BM_MTA(_i) (BM_PHY_REG(BM_WUC_PAGE, 128 + ((_i) << 1))) + +#define BM_RCTL_UPE 0x0001 /* Unicast Promiscuous Mode */ +#define BM_RCTL_MPE 0x0002 /* Multicast Promiscuous Mode */ +#define BM_RCTL_MO_SHIFT 3 /* Multicast Offset Shift */ +#define BM_RCTL_MO_MASK (3 << 3) /* Multicast Offset Mask */ +#define BM_RCTL_BAM 0x0020 /* Broadcast Accept Mode */ +#define BM_RCTL_PMCF 0x0040 /* Pass MAC Control Frames */ +#define BM_RCTL_RFCE 0x0080 /* Rx Flow Control Enable */ + +#define HV_LED_CONFIG PHY_REG(768, 30) /* LED Configuration */ +#define HV_MUX_DATA_CTRL PHY_REG(776, 16) +#define HV_MUX_DATA_CTRL_GEN_TO_MAC 0x0400 +#define HV_MUX_DATA_CTRL_FORCE_SPEED 0x0004 +#define HV_STATS_PAGE 778 +/* Half-duplex collision counts */ +#define HV_SCC_UPPER PHY_REG(HV_STATS_PAGE, 16) /* Single Collision */ +#define HV_SCC_LOWER PHY_REG(HV_STATS_PAGE, 17) +#define HV_ECOL_UPPER PHY_REG(HV_STATS_PAGE, 18) /* Excessive Coll. */ +#define HV_ECOL_LOWER PHY_REG(HV_STATS_PAGE, 19) +#define HV_MCC_UPPER PHY_REG(HV_STATS_PAGE, 20) /* Multiple Collision */ +#define HV_MCC_LOWER PHY_REG(HV_STATS_PAGE, 21) +#define HV_LATECOL_UPPER PHY_REG(HV_STATS_PAGE, 23) /* Late Collision */ +#define HV_LATECOL_LOWER PHY_REG(HV_STATS_PAGE, 24) +#define HV_COLC_UPPER PHY_REG(HV_STATS_PAGE, 25) /* Collision */ +#define HV_COLC_LOWER PHY_REG(HV_STATS_PAGE, 26) +#define HV_DC_UPPER PHY_REG(HV_STATS_PAGE, 27) /* Defer Count */ +#define HV_DC_LOWER PHY_REG(HV_STATS_PAGE, 28) +#define HV_TNCRS_UPPER PHY_REG(HV_STATS_PAGE, 29) /* Tx with no CRS */ +#define HV_TNCRS_LOWER PHY_REG(HV_STATS_PAGE, 30) + +#define IGC_FCRTV_PCH 0x05F40 /* PCH Flow Control Refresh Timer Value */ + +#define IGC_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */ +#define IGC_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */ +#define K1_ENTRY_LATENCY 0 +#define K1_MIN_TIME 1 + +/* SMBus Control Phy Register */ +#define CV_SMB_CTRL PHY_REG(769, 23) +#define CV_SMB_CTRL_FORCE_SMBUS 0x0001 + +/* I218 Ultra Low Power Configuration 1 Register */ +#define I218_ULP_CONFIG1 PHY_REG(779, 16) +#define I218_ULP_CONFIG1_START 0x0001 /* Start auto ULP config */ +#define I218_ULP_CONFIG1_IND 0x0004 /* Pwr up from ULP indication */ +#define I218_ULP_CONFIG1_STICKY_ULP 0x0010 /* Set sticky ULP mode */ +#define I218_ULP_CONFIG1_INBAND_EXIT 0x0020 /* Inband on ULP exit */ +#define I218_ULP_CONFIG1_WOL_HOST 0x0040 /* WoL Host on ULP exit */ +#define I218_ULP_CONFIG1_RESET_TO_SMBUS 0x0100 /* Reset to SMBus mode */ +/* enable ULP even if when phy powered down via lanphypc */ +#define I218_ULP_CONFIG1_EN_ULP_LANPHYPC 0x0400 +/* disable clear of sticky ULP on PERST */ +#define I218_ULP_CONFIG1_DIS_CLR_STICKY_ON_PERST 0x0800 +#define I218_ULP_CONFIG1_DISABLE_SMB_PERST 0x1000 /* Disable on PERST# */ + + +/* SMBus Address Phy Register */ +#define HV_SMB_ADDR PHY_REG(768, 26) +#define HV_SMB_ADDR_MASK 0x007F +#define HV_SMB_ADDR_PEC_EN 0x0200 +#define HV_SMB_ADDR_VALID 0x0080 +#define HV_SMB_ADDR_FREQ_MASK 0x1100 +#define HV_SMB_ADDR_FREQ_LOW_SHIFT 8 +#define HV_SMB_ADDR_FREQ_HIGH_SHIFT 12 + +/* Strapping Option Register - RO */ +#define IGC_STRAP 0x0000C +#define IGC_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000 +#define IGC_STRAP_SMBUS_ADDRESS_SHIFT 17 +#define IGC_STRAP_SMT_FREQ_MASK 0x00003000 +#define IGC_STRAP_SMT_FREQ_SHIFT 12 + +/* OEM Bits Phy Register */ +#define HV_OEM_BITS PHY_REG(768, 25) +#define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */ +#define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */ +#define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */ + +/* KMRN Mode Control */ +#define HV_KMRN_MODE_CTRL PHY_REG(769, 16) +#define HV_KMRN_MDIO_SLOW 0x0400 + +/* KMRN FIFO Control and Status */ +#define HV_KMRN_FIFO_CTRLSTA PHY_REG(770, 16) +#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK 0x7000 +#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT 12 + +/* PHY Power Management Control */ +#define HV_PM_CTRL PHY_REG(770, 17) +#define HV_PM_CTRL_K1_CLK_REQ 0x200 +#define HV_PM_CTRL_K1_ENABLE 0x4000 + +#define I217_PLL_CLOCK_GATE_REG PHY_REG(772, 28) +#define I217_PLL_CLOCK_GATE_MASK 0x07FF + +#define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in ms */ + +/* Inband Control */ +#define I217_INBAND_CTRL PHY_REG(770, 18) +#define I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_MASK 0x3F00 +#define I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT 8 + +/* Low Power Idle GPIO Control */ +#define I217_LPI_GPIO_CTRL PHY_REG(772, 18) +#define I217_LPI_GPIO_CTRL_AUTO_EN_LPI 0x0800 + +/* PHY Low Power Idle Control */ +#define I82579_LPI_CTRL PHY_REG(772, 20) +#define I82579_LPI_CTRL_100_ENABLE 0x2000 +#define I82579_LPI_CTRL_1000_ENABLE 0x4000 +#define I82579_LPI_CTRL_ENABLE_MASK 0x6000 + +/* 82579 DFT Control */ +#define I82579_DFT_CTRL PHY_REG(769, 20) +#define I82579_DFT_CTRL_GATE_PHY_RESET 0x0040 /* Gate PHY Reset on MAC Reset */ + +/* Extended Management Interface (EMI) Registers */ +#define I82579_EMI_ADDR 0x10 +#define I82579_EMI_DATA 0x11 +#define I82579_LPI_UPDATE_TIMER 0x4805 /* in 40ns units + 40 ns base value */ +#define I82579_MSE_THRESHOLD 0x084F /* 82579 Mean Square Error Threshold */ +#define I82577_MSE_THRESHOLD 0x0887 /* 82577 Mean Square Error Threshold */ +#define I82579_MSE_LINK_DOWN 0x2411 /* MSE count before dropping link */ +#define I82579_RX_CONFIG 0x3412 /* Receive configuration */ +#define I82579_LPI_PLL_SHUT 0x4412 /* LPI PLL Shut Enable */ +#define I82579_EEE_PCS_STATUS 0x182E /* IEEE MMD Register 3.1 >> 8 */ +#define I82579_EEE_CAPABILITY 0x0410 /* IEEE MMD Register 3.20 */ +#define I82579_EEE_ADVERTISEMENT 0x040E /* IEEE MMD Register 7.60 */ +#define I82579_EEE_LP_ABILITY 0x040F /* IEEE MMD Register 7.61 */ +#define I82579_EEE_100_SUPPORTED (1 << 1) /* 100BaseTx EEE */ +#define I82579_EEE_1000_SUPPORTED (1 << 2) /* 1000BaseTx EEE */ +#define I82579_LPI_100_PLL_SHUT (1 << 2) /* 100M LPI PLL Shut Enabled */ +#define I217_EEE_PCS_STATUS 0x9401 /* IEEE MMD Register 3.1 */ +#define I217_EEE_CAPABILITY 0x8000 /* IEEE MMD Register 3.20 */ +#define I217_EEE_ADVERTISEMENT 0x8001 /* IEEE MMD Register 7.60 */ +#define I217_EEE_LP_ABILITY 0x8002 /* IEEE MMD Register 7.61 */ +#define I217_RX_CONFIG 0xB20C /* Receive configuration */ + +#define IGC_EEE_RX_LPI_RCVD 0x0400 /* Tx LP idle received */ +#define IGC_EEE_TX_LPI_RCVD 0x0800 /* Rx LP idle received */ + +/* Intel Rapid Start Technology Support */ +#define I217_PROXY_CTRL BM_PHY_REG(BM_WUC_PAGE, 70) +#define I217_PROXY_CTRL_AUTO_DISABLE 0x0080 +#define I217_CGFREG PHY_REG(772, 29) +#define I217_CGFREG_ENABLE_MTA_RESET 0x0002 +#define I217_MEMPWR PHY_REG(772, 26) +#define I217_MEMPWR_DISABLE_SMB_RELEASE 0x0010 + +/* Receive Address Initial CRC Calculation */ +#define IGC_PCH_RAICC(_n) (0x05F50 + ((_n) * 4)) + +#define IGC_PCI_VENDOR_ID_REGISTER 0x00 + +#define IGC_PCI_REVISION_ID_REG 0x08 +void igc_set_kmrn_lock_loss_workaround_ich8lan(struct igc_hw *hw, + bool state); +void igc_igp3_phy_powerdown_workaround_ich8lan(struct igc_hw *hw); +void igc_gig_downshift_workaround_ich8lan(struct igc_hw *hw); +void igc_suspend_workarounds_ich8lan(struct igc_hw *hw); +u32 igc_resume_workarounds_pchlan(struct igc_hw *hw); +s32 igc_configure_k1_ich8lan(struct igc_hw *hw, bool k1_enable); +s32 igc_configure_k0s_lpt(struct igc_hw *hw, u8 entry_latency, u8 min_time); +void igc_copy_rx_addrs_to_phy_ich8lan(struct igc_hw *hw); +s32 igc_lv_jumbo_workaround_ich8lan(struct igc_hw *hw, bool enable); +s32 igc_read_emi_reg_locked(struct igc_hw *hw, u16 addr, u16 *data); +s32 igc_write_emi_reg_locked(struct igc_hw *hw, u16 addr, u16 data); +s32 igc_set_eee_pchlan(struct igc_hw *hw); +s32 igc_enable_ulp_lpt_lp(struct igc_hw *hw, bool to_sx); +s32 igc_disable_ulp_lpt_lp(struct igc_hw *hw, bool force); +#endif /* _IGC_ICH8LAN_H_ */ +void igc_demote_ltr(struct igc_hw *hw, bool demote, bool link); diff --git a/drivers/net/igc/base/igc_mac.c b/drivers/net/igc/base/igc_mac.c new file mode 100644 index 0000000000..e64415f313 --- /dev/null +++ b/drivers/net/igc/base/igc_mac.c @@ -0,0 +1,2100 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#include "igc_api.h" + +static s32 igc_validate_mdi_setting_generic(struct igc_hw *hw); +static void igc_set_lan_id_multi_port_pcie(struct igc_hw *hw); +static void igc_config_collision_dist_generic(struct igc_hw *hw); +static int igc_rar_set_generic(struct igc_hw *hw, u8 *addr, u32 index); + +/** + * igc_init_mac_ops_generic - Initialize MAC function pointers + * @hw: pointer to the HW structure + * + * Setups up the function pointers to no-op functions + **/ +void igc_init_mac_ops_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + DEBUGFUNC("igc_init_mac_ops_generic"); + + /* General Setup */ + mac->ops.init_params = igc_null_ops_generic; + mac->ops.init_hw = igc_null_ops_generic; + mac->ops.reset_hw = igc_null_ops_generic; + mac->ops.setup_physical_interface = igc_null_ops_generic; + mac->ops.get_bus_info = igc_null_ops_generic; + mac->ops.set_lan_id = igc_set_lan_id_multi_port_pcie; + mac->ops.read_mac_addr = igc_read_mac_addr_generic; + mac->ops.config_collision_dist = igc_config_collision_dist_generic; + mac->ops.clear_hw_cntrs = igc_null_mac_generic; + /* LED */ + mac->ops.cleanup_led = igc_null_ops_generic; + mac->ops.setup_led = igc_null_ops_generic; + mac->ops.blink_led = igc_null_ops_generic; + mac->ops.led_on = igc_null_ops_generic; + mac->ops.led_off = igc_null_ops_generic; + /* LINK */ + mac->ops.setup_link = igc_null_ops_generic; + mac->ops.get_link_up_info = igc_null_link_info; + mac->ops.check_for_link = igc_null_ops_generic; + /* Management */ + mac->ops.check_mng_mode = igc_null_mng_mode; + /* VLAN, MC, etc. */ + mac->ops.update_mc_addr_list = igc_null_update_mc; + mac->ops.clear_vfta = igc_null_mac_generic; + mac->ops.write_vfta = igc_null_write_vfta; + mac->ops.rar_set = igc_rar_set_generic; + mac->ops.validate_mdi_setting = igc_validate_mdi_setting_generic; +} + +/** + * igc_null_ops_generic - No-op function, returns 0 + * @hw: pointer to the HW structure + **/ +s32 igc_null_ops_generic(struct igc_hw IGC_UNUSEDARG * hw) +{ + DEBUGFUNC("igc_null_ops_generic"); + UNREFERENCED_1PARAMETER(hw); + return IGC_SUCCESS; +} + +/** + * igc_null_mac_generic - No-op function, return void + * @hw: pointer to the HW structure + **/ +void igc_null_mac_generic(struct igc_hw IGC_UNUSEDARG * hw) +{ + DEBUGFUNC("igc_null_mac_generic"); + UNREFERENCED_1PARAMETER(hw); +} + +/** + * igc_null_link_info - No-op function, return 0 + * @hw: pointer to the HW structure + * @s: dummy variable + * @d: dummy variable + **/ +s32 igc_null_link_info(struct igc_hw IGC_UNUSEDARG * hw, + u16 IGC_UNUSEDARG * s, u16 IGC_UNUSEDARG * d) +{ + DEBUGFUNC("igc_null_link_info"); + UNREFERENCED_3PARAMETER(hw, s, d); + return IGC_SUCCESS; +} + +/** + * igc_null_mng_mode - No-op function, return false + * @hw: pointer to the HW structure + **/ +bool igc_null_mng_mode(struct igc_hw IGC_UNUSEDARG * hw) +{ + DEBUGFUNC("igc_null_mng_mode"); + UNREFERENCED_1PARAMETER(hw); + return false; +} + +/** + * igc_null_update_mc - No-op function, return void + * @hw: pointer to the HW structure + * @h: dummy variable + * @a: dummy variable + **/ +void igc_null_update_mc(struct igc_hw IGC_UNUSEDARG * hw, + u8 IGC_UNUSEDARG * h, u32 IGC_UNUSEDARG a) +{ + DEBUGFUNC("igc_null_update_mc"); + UNREFERENCED_3PARAMETER(hw, h, a); +} + +/** + * igc_null_write_vfta - No-op function, return void + * @hw: pointer to the HW structure + * @a: dummy variable + * @b: dummy variable + **/ +void igc_null_write_vfta(struct igc_hw IGC_UNUSEDARG * hw, + u32 IGC_UNUSEDARG a, u32 IGC_UNUSEDARG b) +{ + DEBUGFUNC("igc_null_write_vfta"); + UNREFERENCED_3PARAMETER(hw, a, b); +} + +/** + * igc_null_rar_set - No-op function, return 0 + * @hw: pointer to the HW structure + * @h: dummy variable + * @a: dummy variable + **/ +int igc_null_rar_set(struct igc_hw IGC_UNUSEDARG * hw, + u8 IGC_UNUSEDARG * h, u32 IGC_UNUSEDARG a) +{ + DEBUGFUNC("igc_null_rar_set"); + UNREFERENCED_3PARAMETER(hw, h, a); + return IGC_SUCCESS; +} + +/** + * igc_get_bus_info_pci_generic - Get PCI(x) bus information + * @hw: pointer to the HW structure + * + * Determines and stores the system bus information for a particular + * network interface. The following bus information is determined and stored: + * bus speed, bus width, type (PCI/PCIx), and PCI(-x) function. + **/ +s32 igc_get_bus_info_pci_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + struct igc_bus_info *bus = &hw->bus; + u32 status = IGC_READ_REG(hw, IGC_STATUS); + s32 ret_val = IGC_SUCCESS; + + DEBUGFUNC("igc_get_bus_info_pci_generic"); + + /* PCI or PCI-X? */ + bus->type = (status & IGC_STATUS_PCIX_MODE) + ? igc_bus_type_pcix + : igc_bus_type_pci; + + /* Bus speed */ + if (bus->type == igc_bus_type_pci) { + bus->speed = (status & IGC_STATUS_PCI66) + ? igc_bus_speed_66 + : igc_bus_speed_33; + } else { + switch (status & IGC_STATUS_PCIX_SPEED) { + case IGC_STATUS_PCIX_SPEED_66: + bus->speed = igc_bus_speed_66; + break; + case IGC_STATUS_PCIX_SPEED_100: + bus->speed = igc_bus_speed_100; + break; + case IGC_STATUS_PCIX_SPEED_133: + bus->speed = igc_bus_speed_133; + break; + default: + bus->speed = igc_bus_speed_reserved; + break; + } + } + + /* Bus width */ + bus->width = (status & IGC_STATUS_BUS64) + ? igc_bus_width_64 + : igc_bus_width_32; + + /* Which PCI(-X) function? */ + mac->ops.set_lan_id(hw); + + return ret_val; +} + +/** + * igc_get_bus_info_pcie_generic - Get PCIe bus information + * @hw: pointer to the HW structure + * + * Determines and stores the system bus information for a particular + * network interface. The following bus information is determined and stored: + * bus speed, bus width, type (PCIe), and PCIe function. + **/ +s32 igc_get_bus_info_pcie_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + struct igc_bus_info *bus = &hw->bus; + s32 ret_val; + u16 pcie_link_status; + + DEBUGFUNC("igc_get_bus_info_pcie_generic"); + + bus->type = igc_bus_type_pci_express; + + ret_val = igc_read_pcie_cap_reg(hw, PCIE_LINK_STATUS, + &pcie_link_status); + if (ret_val) { + bus->width = igc_bus_width_unknown; + bus->speed = igc_bus_speed_unknown; + } else { + switch (pcie_link_status & PCIE_LINK_SPEED_MASK) { + case PCIE_LINK_SPEED_2500: + bus->speed = igc_bus_speed_2500; + break; + case PCIE_LINK_SPEED_5000: + bus->speed = igc_bus_speed_5000; + break; + default: + bus->speed = igc_bus_speed_unknown; + break; + } + + bus->width = (enum igc_bus_width)((pcie_link_status & + PCIE_LINK_WIDTH_MASK) >> PCIE_LINK_WIDTH_SHIFT); + } + + mac->ops.set_lan_id(hw); + + return IGC_SUCCESS; +} + +/** + * igc_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices + * + * @hw: pointer to the HW structure + * + * Determines the LAN function id by reading memory-mapped registers + * and swaps the port value if requested. + **/ +static void igc_set_lan_id_multi_port_pcie(struct igc_hw *hw) +{ + struct igc_bus_info *bus = &hw->bus; + u32 reg; + + /* The status register reports the correct function number + * for the device regardless of function swap state. + */ + reg = IGC_READ_REG(hw, IGC_STATUS); + bus->func = (reg & IGC_STATUS_FUNC_MASK) >> IGC_STATUS_FUNC_SHIFT; +} + +/** + * igc_set_lan_id_multi_port_pci - Set LAN id for PCI multiple port devices + * @hw: pointer to the HW structure + * + * Determines the LAN function id by reading PCI config space. + **/ +void igc_set_lan_id_multi_port_pci(struct igc_hw *hw) +{ + struct igc_bus_info *bus = &hw->bus; + u16 pci_header_type; + u32 status; + + igc_read_pci_cfg(hw, PCI_HEADER_TYPE_REGISTER, &pci_header_type); + if (pci_header_type & PCI_HEADER_TYPE_MULTIFUNC) { + status = IGC_READ_REG(hw, IGC_STATUS); + bus->func = (status & IGC_STATUS_FUNC_MASK) + >> IGC_STATUS_FUNC_SHIFT; + } else { + bus->func = 0; + } +} + +/** + * igc_set_lan_id_single_port - Set LAN id for a single port device + * @hw: pointer to the HW structure + * + * Sets the LAN function id to zero for a single port device. + **/ +void igc_set_lan_id_single_port(struct igc_hw *hw) +{ + struct igc_bus_info *bus = &hw->bus; + + bus->func = 0; +} + +/** + * igc_clear_vfta_generic - Clear VLAN filter table + * @hw: pointer to the HW structure + * + * Clears the register array which contains the VLAN filter table by + * setting all the values to 0. + **/ +void igc_clear_vfta_generic(struct igc_hw *hw) +{ + u32 offset; + + DEBUGFUNC("igc_clear_vfta_generic"); + + for (offset = 0; offset < IGC_VLAN_FILTER_TBL_SIZE; offset++) { + IGC_WRITE_REG_ARRAY(hw, IGC_VFTA, offset, 0); + IGC_WRITE_FLUSH(hw); + } +} + +/** + * igc_write_vfta_generic - Write value to VLAN filter table + * @hw: pointer to the HW structure + * @offset: register offset in VLAN filter table + * @value: register value written to VLAN filter table + * + * Writes value at the given offset in the register array which stores + * the VLAN filter table. + **/ +void igc_write_vfta_generic(struct igc_hw *hw, u32 offset, u32 value) +{ + DEBUGFUNC("igc_write_vfta_generic"); + + IGC_WRITE_REG_ARRAY(hw, IGC_VFTA, offset, value); + IGC_WRITE_FLUSH(hw); +} + +/** + * igc_init_rx_addrs_generic - Initialize receive address's + * @hw: pointer to the HW structure + * @rar_count: receive address registers + * + * Setup the receive address registers by setting the base receive address + * register to the devices MAC address and clearing all the other receive + * address registers to 0. + **/ +void igc_init_rx_addrs_generic(struct igc_hw *hw, u16 rar_count) +{ + u32 i; + u8 mac_addr[ETH_ADDR_LEN] = {0}; + + DEBUGFUNC("igc_init_rx_addrs_generic"); + + /* Setup the receive address */ + DEBUGOUT("Programming MAC Address into RAR[0]\n"); + + hw->mac.ops.rar_set(hw, hw->mac.addr, 0); + + /* Zero out the other (rar_entry_count - 1) receive addresses */ + DEBUGOUT1("Clearing RAR[1-%u]\n", rar_count - 1); + for (i = 1; i < rar_count; i++) + hw->mac.ops.rar_set(hw, mac_addr, i); +} + +/** + * igc_check_alt_mac_addr_generic - Check for alternate MAC addr + * @hw: pointer to the HW structure + * + * Checks the nvm for an alternate MAC address. An alternate MAC address + * can be setup by pre-boot software and must be treated like a permanent + * address and must override the actual permanent MAC address. If an + * alternate MAC address is found it is programmed into RAR0, replacing + * the permanent address that was installed into RAR0 by the Si on reset. + * This function will return SUCCESS unless it encounters an error while + * reading the EEPROM. + **/ +s32 igc_check_alt_mac_addr_generic(struct igc_hw *hw) +{ + u32 i; + s32 ret_val; + u16 offset, nvm_alt_mac_addr_offset, nvm_data; + u8 alt_mac_addr[ETH_ADDR_LEN]; + + DEBUGFUNC("igc_check_alt_mac_addr_generic"); + + ret_val = hw->nvm.ops.read(hw, NVM_COMPAT, 1, &nvm_data); + if (ret_val) + return ret_val; + + /* not supported on older hardware or 82573 */ + if (hw->mac.type < igc_82571 || hw->mac.type == igc_82573) + return IGC_SUCCESS; + + /* Alternate MAC address is handled by the option ROM for 82580 + * and newer. SW support not required. + */ + if (hw->mac.type >= igc_82580) + return IGC_SUCCESS; + + ret_val = hw->nvm.ops.read(hw, NVM_ALT_MAC_ADDR_PTR, 1, + &nvm_alt_mac_addr_offset); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + + if (nvm_alt_mac_addr_offset == 0xFFFF || + nvm_alt_mac_addr_offset == 0x0000) + /* There is no Alternate MAC Address */ + return IGC_SUCCESS; + + if (hw->bus.func == IGC_FUNC_1) + nvm_alt_mac_addr_offset += IGC_ALT_MAC_ADDRESS_OFFSET_LAN1; + if (hw->bus.func == IGC_FUNC_2) + nvm_alt_mac_addr_offset += IGC_ALT_MAC_ADDRESS_OFFSET_LAN2; + + if (hw->bus.func == IGC_FUNC_3) + nvm_alt_mac_addr_offset += IGC_ALT_MAC_ADDRESS_OFFSET_LAN3; + for (i = 0; i < ETH_ADDR_LEN; i += 2) { + offset = nvm_alt_mac_addr_offset + (i >> 1); + ret_val = hw->nvm.ops.read(hw, offset, 1, &nvm_data); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + + alt_mac_addr[i] = (u8)(nvm_data & 0xFF); + alt_mac_addr[i + 1] = (u8)(nvm_data >> 8); + } + + /* if multicast bit is set, the alternate address will not be used */ + if (alt_mac_addr[0] & 0x01) { + DEBUGOUT("Ignoring Alternate Mac Address with MC bit set\n"); + return IGC_SUCCESS; + } + + /* We have a valid alternate MAC address, and we want to treat it the + * same as the normal permanent MAC address stored by the HW into the + * RAR. Do this by mapping this address into RAR0. + */ + hw->mac.ops.rar_set(hw, alt_mac_addr, 0); + + return IGC_SUCCESS; +} + +/** + * igc_rar_set_generic - Set receive address register + * @hw: pointer to the HW structure + * @addr: pointer to the receive address + * @index: receive address array register + * + * Sets the receive address array register at index to the address passed + * in by addr. + **/ +static int igc_rar_set_generic(struct igc_hw *hw, u8 *addr, u32 index) +{ + u32 rar_low, rar_high; + + DEBUGFUNC("igc_rar_set_generic"); + + /* HW expects these in little endian so we reverse the byte order + * from network order (big endian) to little endian + */ + rar_low = ((u32)addr[0] | ((u32)addr[1] << 8) | + ((u32)addr[2] << 16) | ((u32)addr[3] << 24)); + + rar_high = ((u32)addr[4] | ((u32)addr[5] << 8)); + + /* If MAC address zero, no need to set the AV bit */ + if (rar_low || rar_high) + rar_high |= IGC_RAH_AV; + + /* Some bridges will combine consecutive 32-bit writes into + * a single burst write, which will malfunction on some parts. + * The flushes avoid this. + */ + IGC_WRITE_REG(hw, IGC_RAL(index), rar_low); + IGC_WRITE_FLUSH(hw); + IGC_WRITE_REG(hw, IGC_RAH(index), rar_high); + IGC_WRITE_FLUSH(hw); + + return IGC_SUCCESS; +} + +/** + * igc_hash_mc_addr_generic - Generate a multicast hash value + * @hw: pointer to the HW structure + * @mc_addr: pointer to a multicast address + * + * Generates a multicast address hash value which is used to determine + * the multicast filter table array address and new table value. + **/ +u32 igc_hash_mc_addr_generic(struct igc_hw *hw, u8 *mc_addr) +{ + u32 hash_value, hash_mask; + u8 bit_shift = 0; + + DEBUGFUNC("igc_hash_mc_addr_generic"); + + /* Register count multiplied by bits per register */ + hash_mask = (hw->mac.mta_reg_count * 32) - 1; + + /* For a mc_filter_type of 0, bit_shift is the number of left-shifts + * where 0xFF would still fall within the hash mask. + */ + while (hash_mask >> bit_shift != 0xFF) + bit_shift++; + + /* The portion of the address that is used for the hash table + * is determined by the mc_filter_type setting. + * The algorithm is such that there is a total of 8 bits of shifting. + * The bit_shift for a mc_filter_type of 0 represents the number of + * left-shifts where the MSB of mc_addr[5] would still fall within + * the hash_mask. Case 0 does this exactly. Since there are a total + * of 8 bits of shifting, then mc_addr[4] will shift right the + * remaining number of bits. Thus 8 - bit_shift. The rest of the + * cases are a variation of this algorithm...essentially raising the + * number of bits to shift mc_addr[5] left, while still keeping the + * 8-bit shifting total. + * + * For example, given the following Destination MAC Address and an + * mta register count of 128 (thus a 4096-bit vector and 0xFFF mask), + * we can see that the bit_shift for case 0 is 4. These are the hash + * values resulting from each mc_filter_type... + * [0] [1] [2] [3] [4] [5] + * 01 AA 00 12 34 56 + * LSB MSB + * + * case 0: hash_value = ((0x34 >> 4) | (0x56 << 4)) & 0xFFF = 0x563 + * case 1: hash_value = ((0x34 >> 3) | (0x56 << 5)) & 0xFFF = 0xAC6 + * case 2: hash_value = ((0x34 >> 2) | (0x56 << 6)) & 0xFFF = 0x163 + * case 3: hash_value = ((0x34 >> 0) | (0x56 << 8)) & 0xFFF = 0x634 + */ + switch (hw->mac.mc_filter_type) { + default: + case 0: + break; + case 1: + bit_shift += 1; + break; + case 2: + bit_shift += 2; + break; + case 3: + bit_shift += 4; + break; + } + + hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) | + (((u16)mc_addr[5]) << bit_shift))); + + return hash_value; +} + +/** + * igc_update_mc_addr_list_generic - Update Multicast addresses + * @hw: pointer to the HW structure + * @mc_addr_list: array of multicast addresses to program + * @mc_addr_count: number of multicast addresses to program + * + * Updates entire Multicast Table Array. + * The caller must have a packed mc_addr_list of multicast addresses. + **/ +void igc_update_mc_addr_list_generic(struct igc_hw *hw, + u8 *mc_addr_list, u32 mc_addr_count) +{ + u32 hash_value, hash_bit, hash_reg; + int i; + + DEBUGFUNC("igc_update_mc_addr_list_generic"); + + /* clear mta_shadow */ + memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow)); + + /* update mta_shadow from mc_addr_list */ + for (i = 0; (u32)i < mc_addr_count; i++) { + hash_value = igc_hash_mc_addr_generic(hw, mc_addr_list); + + hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1); + hash_bit = hash_value & 0x1F; + + hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit); + mc_addr_list += (ETH_ADDR_LEN); + } + + /* replace the entire MTA table */ + for (i = hw->mac.mta_reg_count - 1; i >= 0; i--) + IGC_WRITE_REG_ARRAY(hw, IGC_MTA, i, hw->mac.mta_shadow[i]); + IGC_WRITE_FLUSH(hw); +} + +/** + * igc_pcix_mmrbc_workaround_generic - Fix incorrect MMRBC value + * @hw: pointer to the HW structure + * + * In certain situations, a system BIOS may report that the PCIx maximum + * memory read byte count (MMRBC) value is higher than than the actual + * value. We check the PCIx command register with the current PCIx status + * register. + **/ +void igc_pcix_mmrbc_workaround_generic(struct igc_hw *hw) +{ + u16 cmd_mmrbc; + u16 pcix_cmd; + u16 pcix_stat_hi_word; + u16 stat_mmrbc; + + DEBUGFUNC("igc_pcix_mmrbc_workaround_generic"); + + /* Workaround for PCI-X issue when BIOS sets MMRBC incorrectly */ + if (hw->bus.type != igc_bus_type_pcix) + return; + + igc_read_pci_cfg(hw, PCIX_COMMAND_REGISTER, &pcix_cmd); + igc_read_pci_cfg(hw, PCIX_STATUS_REGISTER_HI, &pcix_stat_hi_word); + cmd_mmrbc = (pcix_cmd & PCIX_COMMAND_MMRBC_MASK) >> + PCIX_COMMAND_MMRBC_SHIFT; + stat_mmrbc = (pcix_stat_hi_word & PCIX_STATUS_HI_MMRBC_MASK) >> + PCIX_STATUS_HI_MMRBC_SHIFT; + if (stat_mmrbc == PCIX_STATUS_HI_MMRBC_4K) + stat_mmrbc = PCIX_STATUS_HI_MMRBC_2K; + if (cmd_mmrbc > stat_mmrbc) { + pcix_cmd &= ~PCIX_COMMAND_MMRBC_MASK; + pcix_cmd |= stat_mmrbc << PCIX_COMMAND_MMRBC_SHIFT; + igc_write_pci_cfg(hw, PCIX_COMMAND_REGISTER, &pcix_cmd); + } +} + +/** + * igc_clear_hw_cntrs_base_generic - Clear base hardware counters + * @hw: pointer to the HW structure + * + * Clears the base hardware counters by reading the counter registers. + **/ +void igc_clear_hw_cntrs_base_generic(struct igc_hw *hw) +{ + DEBUGFUNC("igc_clear_hw_cntrs_base_generic"); + + IGC_READ_REG(hw, IGC_CRCERRS); + IGC_READ_REG(hw, IGC_SYMERRS); + IGC_READ_REG(hw, IGC_MPC); + IGC_READ_REG(hw, IGC_SCC); + IGC_READ_REG(hw, IGC_ECOL); + IGC_READ_REG(hw, IGC_MCC); + IGC_READ_REG(hw, IGC_LATECOL); + IGC_READ_REG(hw, IGC_COLC); + IGC_READ_REG(hw, IGC_DC); + IGC_READ_REG(hw, IGC_SEC); + IGC_READ_REG(hw, IGC_RLEC); + IGC_READ_REG(hw, IGC_XONRXC); + IGC_READ_REG(hw, IGC_XONTXC); + IGC_READ_REG(hw, IGC_XOFFRXC); + IGC_READ_REG(hw, IGC_XOFFTXC); + IGC_READ_REG(hw, IGC_FCRUC); + IGC_READ_REG(hw, IGC_GPRC); + IGC_READ_REG(hw, IGC_BPRC); + IGC_READ_REG(hw, IGC_MPRC); + IGC_READ_REG(hw, IGC_GPTC); + IGC_READ_REG(hw, IGC_GORCL); + IGC_READ_REG(hw, IGC_GORCH); + IGC_READ_REG(hw, IGC_GOTCL); + IGC_READ_REG(hw, IGC_GOTCH); + IGC_READ_REG(hw, IGC_RNBC); + IGC_READ_REG(hw, IGC_RUC); + IGC_READ_REG(hw, IGC_RFC); + IGC_READ_REG(hw, IGC_ROC); + IGC_READ_REG(hw, IGC_RJC); + IGC_READ_REG(hw, IGC_TORL); + IGC_READ_REG(hw, IGC_TORH); + IGC_READ_REG(hw, IGC_TOTL); + IGC_READ_REG(hw, IGC_TOTH); + IGC_READ_REG(hw, IGC_TPR); + IGC_READ_REG(hw, IGC_TPT); + IGC_READ_REG(hw, IGC_MPTC); + IGC_READ_REG(hw, IGC_BPTC); +} + +/** + * igc_check_for_copper_link_generic - Check for link (Copper) + * @hw: pointer to the HW structure + * + * Checks to see of the link status of the hardware has changed. If a + * change in link status has been detected, then we read the PHY registers + * to get the current speed/duplex if link exists. + **/ +s32 igc_check_for_copper_link_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + s32 ret_val; + bool link; + + DEBUGFUNC("igc_check_for_copper_link"); + + /* We only want to go out to the PHY registers to see if Auto-Neg + * has completed and/or if our link status has changed. The + * get_link_status flag is set upon receiving a Link Status + * Change or Rx Sequence Error interrupt. + */ + if (!mac->get_link_status) + return IGC_SUCCESS; + + /* First we want to see if the MII Status Register reports + * link. If so, then we want to get the current speed/duplex + * of the PHY. + */ + ret_val = igc_phy_has_link_generic(hw, 1, 0, &link); + if (ret_val) + return ret_val; + + if (!link) + return IGC_SUCCESS; /* No link detected */ + + mac->get_link_status = false; + + /* Check if there was DownShift, must be checked + * immediately after link-up + */ + igc_check_downshift_generic(hw); + + /* If we are forcing speed/duplex, then we simply return since + * we have already determined whether we have link or not. + */ + if (!mac->autoneg) + return -IGC_ERR_CONFIG; + + /* Auto-Neg is enabled. Auto Speed Detection takes care + * of MAC speed/duplex configuration. So we only need to + * configure Collision Distance in the MAC. + */ + mac->ops.config_collision_dist(hw); + + /* Configure Flow Control now that Auto-Neg has completed. + * First, we need to restore the desired flow control + * settings because we may have had to re-autoneg with a + * different link partner. + */ + ret_val = igc_config_fc_after_link_up_generic(hw); + if (ret_val) + DEBUGOUT("Error configuring flow control\n"); + + return ret_val; +} + +/** + * igc_check_for_fiber_link_generic - Check for link (Fiber) + * @hw: pointer to the HW structure + * + * Checks for link up on the hardware. If link is not up and we have + * a signal, then we need to force link up. + **/ +s32 igc_check_for_fiber_link_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + u32 rxcw; + u32 ctrl; + u32 status; + s32 ret_val; + + DEBUGFUNC("igc_check_for_fiber_link_generic"); + + ctrl = IGC_READ_REG(hw, IGC_CTRL); + status = IGC_READ_REG(hw, IGC_STATUS); + rxcw = IGC_READ_REG(hw, IGC_RXCW); + + /* If we don't have link (auto-negotiation failed or link partner + * cannot auto-negotiate), the cable is plugged in (we have signal), + * and our link partner is not trying to auto-negotiate with us (we + * are receiving idles or data), we need to force link up. We also + * need to give auto-negotiation time to complete, in case the cable + * was just plugged in. The autoneg_failed flag does this. + */ + /* (ctrl & IGC_CTRL_SWDPIN1) == 1 == have signal */ + if ((ctrl & IGC_CTRL_SWDPIN1) && !(status & IGC_STATUS_LU) && + !(rxcw & IGC_RXCW_C)) { + if (!mac->autoneg_failed) { + mac->autoneg_failed = true; + return IGC_SUCCESS; + } + DEBUGOUT("NOT Rx'ing /C/, disable AutoNeg and force link.\n"); + + /* Disable auto-negotiation in the TXCW register */ + IGC_WRITE_REG(hw, IGC_TXCW, (mac->txcw & ~IGC_TXCW_ANE)); + + /* Force link-up and also force full-duplex. */ + ctrl = IGC_READ_REG(hw, IGC_CTRL); + ctrl |= (IGC_CTRL_SLU | IGC_CTRL_FD); + IGC_WRITE_REG(hw, IGC_CTRL, ctrl); + + /* Configure Flow Control after forcing link up. */ + ret_val = igc_config_fc_after_link_up_generic(hw); + if (ret_val) { + DEBUGOUT("Error configuring flow control\n"); + return ret_val; + } + } else if ((ctrl & IGC_CTRL_SLU) && (rxcw & IGC_RXCW_C)) { + /* If we are forcing link and we are receiving /C/ ordered + * sets, re-enable auto-negotiation in the TXCW register + * and disable forced link in the Device Control register + * in an attempt to auto-negotiate with our link partner. + */ + DEBUGOUT("Rx'ing /C/, enable AutoNeg and stop forcing link.\n"); + IGC_WRITE_REG(hw, IGC_TXCW, mac->txcw); + IGC_WRITE_REG(hw, IGC_CTRL, (ctrl & ~IGC_CTRL_SLU)); + + mac->serdes_has_link = true; + } + + return IGC_SUCCESS; +} + +/** + * igc_check_for_serdes_link_generic - Check for link (Serdes) + * @hw: pointer to the HW structure + * + * Checks for link up on the hardware. If link is not up and we have + * a signal, then we need to force link up. + **/ +s32 igc_check_for_serdes_link_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + u32 rxcw; + u32 ctrl; + u32 status; + s32 ret_val; + + DEBUGFUNC("igc_check_for_serdes_link_generic"); + + ctrl = IGC_READ_REG(hw, IGC_CTRL); + status = IGC_READ_REG(hw, IGC_STATUS); + rxcw = IGC_READ_REG(hw, IGC_RXCW); + + /* If we don't have link (auto-negotiation failed or link partner + * cannot auto-negotiate), and our link partner is not trying to + * auto-negotiate with us (we are receiving idles or data), + * we need to force link up. We also need to give auto-negotiation + * time to complete. + */ + /* (ctrl & IGC_CTRL_SWDPIN1) == 1 == have signal */ + if (!(status & IGC_STATUS_LU) && !(rxcw & IGC_RXCW_C)) { + if (!mac->autoneg_failed) { + mac->autoneg_failed = true; + return IGC_SUCCESS; + } + DEBUGOUT("NOT Rx'ing /C/, disable AutoNeg and force link.\n"); + + /* Disable auto-negotiation in the TXCW register */ + IGC_WRITE_REG(hw, IGC_TXCW, (mac->txcw & ~IGC_TXCW_ANE)); + + /* Force link-up and also force full-duplex. */ + ctrl = IGC_READ_REG(hw, IGC_CTRL); + ctrl |= (IGC_CTRL_SLU | IGC_CTRL_FD); + IGC_WRITE_REG(hw, IGC_CTRL, ctrl); + + /* Configure Flow Control after forcing link up. */ + ret_val = igc_config_fc_after_link_up_generic(hw); + if (ret_val) { + DEBUGOUT("Error configuring flow control\n"); + return ret_val; + } + } else if ((ctrl & IGC_CTRL_SLU) && (rxcw & IGC_RXCW_C)) { + /* If we are forcing link and we are receiving /C/ ordered + * sets, re-enable auto-negotiation in the TXCW register + * and disable forced link in the Device Control register + * in an attempt to auto-negotiate with our link partner. + */ + DEBUGOUT("Rx'ing /C/, enable AutoNeg and stop forcing link.\n"); + IGC_WRITE_REG(hw, IGC_TXCW, mac->txcw); + IGC_WRITE_REG(hw, IGC_CTRL, (ctrl & ~IGC_CTRL_SLU)); + + mac->serdes_has_link = true; + } else if (!(IGC_TXCW_ANE & IGC_READ_REG(hw, IGC_TXCW))) { + /* If we force link for non-auto-negotiation switch, check + * link status based on MAC synchronization for internal + * serdes media type. + */ + /* SYNCH bit and IV bit are sticky. */ + usec_delay(10); + rxcw = IGC_READ_REG(hw, IGC_RXCW); + if (rxcw & IGC_RXCW_SYNCH) { + if (!(rxcw & IGC_RXCW_IV)) { + mac->serdes_has_link = true; + DEBUGOUT("SERDES: Link up - forced.\n"); + } + } else { + mac->serdes_has_link = false; + DEBUGOUT("SERDES: Link down - force failed.\n"); + } + } + + if (IGC_TXCW_ANE & IGC_READ_REG(hw, IGC_TXCW)) { + status = IGC_READ_REG(hw, IGC_STATUS); + if (status & IGC_STATUS_LU) { + /* SYNCH bit and IV bit are sticky, so reread rxcw. */ + usec_delay(10); + rxcw = IGC_READ_REG(hw, IGC_RXCW); + if (rxcw & IGC_RXCW_SYNCH) { + if (!(rxcw & IGC_RXCW_IV)) { + mac->serdes_has_link = true; + DEBUGOUT("SERDES: Link up - autoneg completed successfully.\n"); + } else { + mac->serdes_has_link = false; + DEBUGOUT("SERDES: Link down - invalid codewords detected in autoneg.\n"); + } + } else { + mac->serdes_has_link = false; + DEBUGOUT("SERDES: Link down - no sync.\n"); + } + } else { + mac->serdes_has_link = false; + DEBUGOUT("SERDES: Link down - autoneg failed\n"); + } + } + + return IGC_SUCCESS; +} + +/** + * igc_set_default_fc_generic - Set flow control default values + * @hw: pointer to the HW structure + * + * Read the EEPROM for the default values for flow control and store the + * values. + **/ +s32 igc_set_default_fc_generic(struct igc_hw *hw) +{ + s32 ret_val; + u16 nvm_data; + u16 nvm_offset = 0; + + DEBUGFUNC("igc_set_default_fc_generic"); + + /* Read and store word 0x0F of the EEPROM. This word contains bits + * that determine the hardware's default PAUSE (flow control) mode, + * a bit that determines whether the HW defaults to enabling or + * disabling auto-negotiation, and the direction of the + * SW defined pins. If there is no SW over-ride of the flow + * control setting, then the variable hw->fc will + * be initialized based on a value in the EEPROM. + */ + if (hw->mac.type == igc_i350) { + nvm_offset = NVM_82580_LAN_FUNC_OFFSET(hw->bus.func); + ret_val = hw->nvm.ops.read(hw, + NVM_INIT_CONTROL2_REG + + nvm_offset, + 1, &nvm_data); + } else { + ret_val = hw->nvm.ops.read(hw, + NVM_INIT_CONTROL2_REG, + 1, &nvm_data); + } + + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + + if (!(nvm_data & NVM_WORD0F_PAUSE_MASK)) + hw->fc.requested_mode = igc_fc_none; + else if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == + NVM_WORD0F_ASM_DIR) + hw->fc.requested_mode = igc_fc_tx_pause; + else + hw->fc.requested_mode = igc_fc_full; + + return IGC_SUCCESS; +} + +/** + * igc_setup_link_generic - Setup flow control and link settings + * @hw: pointer to the HW structure + * + * Determines which flow control settings to use, then configures flow + * control. Calls the appropriate media-specific link configuration + * function. Assuming the adapter has a valid link partner, a valid link + * should be established. Assumes the hardware has previously been reset + * and the transmitter and receiver are not enabled. + **/ +s32 igc_setup_link_generic(struct igc_hw *hw) +{ + s32 ret_val; + + DEBUGFUNC("igc_setup_link_generic"); + + /* In the case of the phy reset being blocked, we already have a link. + * We do not need to set it up again. + */ + if (hw->phy.ops.check_reset_block && hw->phy.ops.check_reset_block(hw)) + return IGC_SUCCESS; + + /* If requested flow control is set to default, set flow control + * based on the EEPROM flow control settings. + */ + if (hw->fc.requested_mode == igc_fc_default) + hw->fc.requested_mode = igc_fc_full; + + /* Save off the requested flow control mode for use later. Depending + * on the link partner's capabilities, we may or may not use this mode. + */ + hw->fc.current_mode = hw->fc.requested_mode; + + DEBUGOUT1("After fix-ups FlowControl is now = %x\n", + hw->fc.current_mode); + + /* Call the necessary media_type subroutine to configure the link. */ + ret_val = hw->mac.ops.setup_physical_interface(hw); + if (ret_val) + return ret_val; + + /* Initialize the flow control address, type, and PAUSE timer + * registers to their default values. This is done even if flow + * control is disabled, because it does not hurt anything to + * initialize these registers. + */ + DEBUGOUT("Initializing the Flow Control address, type and timer regs\n"); + IGC_WRITE_REG(hw, IGC_FCT, FLOW_CONTROL_TYPE); + IGC_WRITE_REG(hw, IGC_FCAH, FLOW_CONTROL_ADDRESS_HIGH); + IGC_WRITE_REG(hw, IGC_FCAL, FLOW_CONTROL_ADDRESS_LOW); + + IGC_WRITE_REG(hw, IGC_FCTTV, hw->fc.pause_time); + + return igc_set_fc_watermarks_generic(hw); +} + +/** + * igc_commit_fc_settings_generic - Configure flow control + * @hw: pointer to the HW structure + * + * Write the flow control settings to the Transmit Config Word Register (TXCW) + * base on the flow control settings in igc_mac_info. + **/ +s32 igc_commit_fc_settings_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + u32 txcw; + + DEBUGFUNC("igc_commit_fc_settings_generic"); + + /* Check for a software override of the flow control settings, and + * setup the device accordingly. If auto-negotiation is enabled, then + * software will have to set the "PAUSE" bits to the correct value in + * the Transmit Config Word Register (TXCW) and re-start auto- + * negotiation. However, if auto-negotiation is disabled, then + * software will have to manually configure the two flow control enable + * bits in the CTRL register. + * + * The possible values of the "fc" parameter are: + * 0: Flow control is completely disabled + * 1: Rx flow control is enabled (we can receive pause frames, + * but not send pause frames). + * 2: Tx flow control is enabled (we can send pause frames but we + * do not support receiving pause frames). + * 3: Both Rx and Tx flow control (symmetric) are enabled. + */ + switch (hw->fc.current_mode) { + case igc_fc_none: + /* Flow control completely disabled by a software over-ride. */ + txcw = (IGC_TXCW_ANE | IGC_TXCW_FD); + break; + case igc_fc_rx_pause: + /* Rx Flow control is enabled and Tx Flow control is disabled + * by a software over-ride. Since there really isn't a way to + * advertise that we are capable of Rx Pause ONLY, we will + * advertise that we support both symmetric and asymmetric Rx + * PAUSE. Later, we will disable the adapter's ability to send + * PAUSE frames. + */ + txcw = (IGC_TXCW_ANE | IGC_TXCW_FD | IGC_TXCW_PAUSE_MASK); + break; + case igc_fc_tx_pause: + /* Tx Flow control is enabled, and Rx Flow control is disabled, + * by a software over-ride. + */ + txcw = (IGC_TXCW_ANE | IGC_TXCW_FD | IGC_TXCW_ASM_DIR); + break; + case igc_fc_full: + /* Flow control (both Rx and Tx) is enabled by a software + * over-ride. + */ + txcw = (IGC_TXCW_ANE | IGC_TXCW_FD | IGC_TXCW_PAUSE_MASK); + break; + default: + DEBUGOUT("Flow control param set incorrectly\n"); + return -IGC_ERR_CONFIG; + } + + IGC_WRITE_REG(hw, IGC_TXCW, txcw); + mac->txcw = txcw; + + return IGC_SUCCESS; +} + +/** + * igc_poll_fiber_serdes_link_generic - Poll for link up + * @hw: pointer to the HW structure + * + * Polls for link up by reading the status register, if link fails to come + * up with auto-negotiation, then the link is forced if a signal is detected. + **/ +s32 igc_poll_fiber_serdes_link_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + u32 i, status; + s32 ret_val; + + DEBUGFUNC("igc_poll_fiber_serdes_link_generic"); + + /* If we have a signal (the cable is plugged in, or assumed true for + * serdes media) then poll for a "Link-Up" indication in the Device + * Status Register. Time-out if a link isn't seen in 500 milliseconds + * seconds (Auto-negotiation should complete in less than 500 + * milliseconds even if the other end is doing it in SW). + */ + for (i = 0; i < FIBER_LINK_UP_LIMIT; i++) { + msec_delay(10); + status = IGC_READ_REG(hw, IGC_STATUS); + if (status & IGC_STATUS_LU) + break; + } + if (i == FIBER_LINK_UP_LIMIT) { + DEBUGOUT("Never got a valid link from auto-neg!!!\n"); + mac->autoneg_failed = true; + /* AutoNeg failed to achieve a link, so we'll call + * mac->check_for_link. This routine will force the + * link up if we detect a signal. This will allow us to + * communicate with non-autonegotiating link partners. + */ + ret_val = mac->ops.check_for_link(hw); + if (ret_val) { + DEBUGOUT("Error while checking for link\n"); + return ret_val; + } + mac->autoneg_failed = false; + } else { + mac->autoneg_failed = false; + DEBUGOUT("Valid Link Found\n"); + } + + return IGC_SUCCESS; +} + +/** + * igc_setup_fiber_serdes_link_generic - Setup link for fiber/serdes + * @hw: pointer to the HW structure + * + * Configures collision distance and flow control for fiber and serdes + * links. Upon successful setup, poll for link. + **/ +s32 igc_setup_fiber_serdes_link_generic(struct igc_hw *hw) +{ + u32 ctrl; + s32 ret_val; + + DEBUGFUNC("igc_setup_fiber_serdes_link_generic"); + + ctrl = IGC_READ_REG(hw, IGC_CTRL); + + /* Take the link out of reset */ + ctrl &= ~IGC_CTRL_LRST; + + hw->mac.ops.config_collision_dist(hw); + + ret_val = igc_commit_fc_settings_generic(hw); + if (ret_val) + return ret_val; + + /* Since auto-negotiation is enabled, take the link out of reset (the + * link will be in reset, because we previously reset the chip). This + * will restart auto-negotiation. If auto-negotiation is successful + * then the link-up status bit will be set and the flow control enable + * bits (RFCE and TFCE) will be set according to their negotiated value. + */ + DEBUGOUT("Auto-negotiation enabled\n"); + + IGC_WRITE_REG(hw, IGC_CTRL, ctrl); + IGC_WRITE_FLUSH(hw); + msec_delay(1); + + /* For these adapters, the SW definable pin 1 is set when the optics + * detect a signal. If we have a signal, then poll for a "Link-Up" + * indication. + */ + if (hw->phy.media_type == igc_media_type_internal_serdes || + (IGC_READ_REG(hw, IGC_CTRL) & IGC_CTRL_SWDPIN1)) { + ret_val = igc_poll_fiber_serdes_link_generic(hw); + } else { + DEBUGOUT("No signal detected\n"); + } + + return ret_val; +} + +/** + * igc_config_collision_dist_generic - Configure collision distance + * @hw: pointer to the HW structure + * + * Configures the collision distance to the default value and is used + * during link setup. + **/ +static void igc_config_collision_dist_generic(struct igc_hw *hw) +{ + u32 tctl; + + DEBUGFUNC("igc_config_collision_dist_generic"); + + tctl = IGC_READ_REG(hw, IGC_TCTL); + + tctl &= ~IGC_TCTL_COLD; + tctl |= IGC_COLLISION_DISTANCE << IGC_COLD_SHIFT; + + IGC_WRITE_REG(hw, IGC_TCTL, tctl); + IGC_WRITE_FLUSH(hw); +} + +/** + * igc_set_fc_watermarks_generic - Set flow control high/low watermarks + * @hw: pointer to the HW structure + * + * Sets the flow control high/low threshold (watermark) registers. If + * flow control XON frame transmission is enabled, then set XON frame + * transmission as well. + **/ +s32 igc_set_fc_watermarks_generic(struct igc_hw *hw) +{ + u32 fcrtl = 0, fcrth = 0; + + DEBUGFUNC("igc_set_fc_watermarks_generic"); + + /* Set the flow control receive threshold registers. Normally, + * these registers will be set to a default threshold that may be + * adjusted later by the driver's runtime code. However, if the + * ability to transmit pause frames is not enabled, then these + * registers will be set to 0. + */ + if (hw->fc.current_mode & igc_fc_tx_pause) { + /* We need to set up the Receive Threshold high and low water + * marks as well as (optionally) enabling the transmission of + * XON frames. + */ + fcrtl = hw->fc.low_water; + if (hw->fc.send_xon) + fcrtl |= IGC_FCRTL_XONE; + + fcrth = hw->fc.high_water; + } + IGC_WRITE_REG(hw, IGC_FCRTL, fcrtl); + IGC_WRITE_REG(hw, IGC_FCRTH, fcrth); + + return IGC_SUCCESS; +} + +/** + * igc_force_mac_fc_generic - Force the MAC's flow control settings + * @hw: pointer to the HW structure + * + * Force the MAC's flow control settings. Sets the TFCE and RFCE bits in the + * device control register to reflect the adapter settings. TFCE and RFCE + * need to be explicitly set by software when a copper PHY is used because + * autonegotiation is managed by the PHY rather than the MAC. Software must + * also configure these bits when link is forced on a fiber connection. + **/ +s32 igc_force_mac_fc_generic(struct igc_hw *hw) +{ + u32 ctrl; + + DEBUGFUNC("igc_force_mac_fc_generic"); + + ctrl = IGC_READ_REG(hw, IGC_CTRL); + + /* Because we didn't get link via the internal auto-negotiation + * mechanism (we either forced link or we got link via PHY + * auto-neg), we have to manually enable/disable transmit an + * receive flow control. + * + * The "Case" statement below enables/disable flow control + * according to the "hw->fc.current_mode" parameter. + * + * The possible values of the "fc" parameter are: + * 0: Flow control is completely disabled + * 1: Rx flow control is enabled (we can receive pause + * frames but not send pause frames). + * 2: Tx flow control is enabled (we can send pause frames + * frames but we do not receive pause frames). + * 3: Both Rx and Tx flow control (symmetric) is enabled. + * other: No other values should be possible at this point. + */ + DEBUGOUT1("hw->fc.current_mode = %u\n", hw->fc.current_mode); + + switch (hw->fc.current_mode) { + case igc_fc_none: + ctrl &= (~(IGC_CTRL_TFCE | IGC_CTRL_RFCE)); + break; + case igc_fc_rx_pause: + ctrl &= (~IGC_CTRL_TFCE); + ctrl |= IGC_CTRL_RFCE; + break; + case igc_fc_tx_pause: + ctrl &= (~IGC_CTRL_RFCE); + ctrl |= IGC_CTRL_TFCE; + break; + case igc_fc_full: + ctrl |= (IGC_CTRL_TFCE | IGC_CTRL_RFCE); + break; + default: + DEBUGOUT("Flow control param set incorrectly\n"); + return -IGC_ERR_CONFIG; + } + + IGC_WRITE_REG(hw, IGC_CTRL, ctrl); + + return IGC_SUCCESS; +} + +/** + * igc_config_fc_after_link_up_generic - Configures flow control after link + * @hw: pointer to the HW structure + * + * Checks the status of auto-negotiation after link up to ensure that the + * speed and duplex were not forced. If the link needed to be forced, then + * flow control needs to be forced also. If auto-negotiation is enabled + * and did not fail, then we configure flow control based on our link + * partner. + **/ +s32 igc_config_fc_after_link_up_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + s32 ret_val = IGC_SUCCESS; + u16 mii_status_reg, mii_nway_adv_reg, mii_nway_lp_ability_reg; + u16 speed, duplex; + + DEBUGFUNC("igc_config_fc_after_link_up_generic"); + + /* Check for the case where we have fiber media and auto-neg failed + * so we had to force link. In this case, we need to force the + * configuration of the MAC to match the "fc" parameter. + */ + if (mac->autoneg_failed) { + if (hw->phy.media_type == igc_media_type_copper) + ret_val = igc_force_mac_fc_generic(hw); + } + + if (ret_val) { + DEBUGOUT("Error forcing flow control settings\n"); + return ret_val; + } + + /* Check for the case where we have copper media and auto-neg is + * enabled. In this case, we need to check and see if Auto-Neg + * has completed, and if so, how the PHY and link partner has + * flow control configured. + */ + if (hw->phy.media_type == igc_media_type_copper && mac->autoneg) { + /* Read the MII Status Register and check to see if AutoNeg + * has completed. We read this twice because this reg has + * some "sticky" (latched) bits. + */ + ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &mii_status_reg); + if (ret_val) + return ret_val; + ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &mii_status_reg); + if (ret_val) + return ret_val; + + if (!(mii_status_reg & MII_SR_AUTONEG_COMPLETE)) { + DEBUGOUT("Copper PHY and Auto Neg has not completed.\n"); + return ret_val; + } + + /* The AutoNeg process has completed, so we now need to + * read both the Auto Negotiation Advertisement + * Register (Address 4) and the Auto_Negotiation Base + * Page Ability Register (Address 5) to determine how + * flow control was negotiated. + */ + ret_val = hw->phy.ops.read_reg(hw, PHY_AUTONEG_ADV, + &mii_nway_adv_reg); + if (ret_val) + return ret_val; + ret_val = hw->phy.ops.read_reg(hw, PHY_LP_ABILITY, + &mii_nway_lp_ability_reg); + if (ret_val) + return ret_val; + + /* Two bits in the Auto Negotiation Advertisement Register + * (Address 4) and two bits in the Auto Negotiation Base + * Page Ability Register (Address 5) determine flow control + * for both the PHY and the link partner. The following + * table, taken out of the IEEE 802.3ab/D6.0 dated March 25, + * 1999, describes these PAUSE resolution bits and how flow + * control is determined based upon these settings. + * NOTE: DC = Don't Care + * + * LOCAL DEVICE | LINK PARTNER + * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution + *-------|---------|-------|---------|-------------------- + * 0 | 0 | DC | DC | igc_fc_none + * 0 | 1 | 0 | DC | igc_fc_none + * 0 | 1 | 1 | 0 | igc_fc_none + * 0 | 1 | 1 | 1 | igc_fc_tx_pause + * 1 | 0 | 0 | DC | igc_fc_none + * 1 | DC | 1 | DC | igc_fc_full + * 1 | 1 | 0 | 0 | igc_fc_none + * 1 | 1 | 0 | 1 | igc_fc_rx_pause + * + * Are both PAUSE bits set to 1? If so, this implies + * Symmetric Flow Control is enabled at both ends. The + * ASM_DIR bits are irrelevant per the spec. + * + * For Symmetric Flow Control: + * + * LOCAL DEVICE | LINK PARTNER + * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result + *-------|---------|-------|---------|-------------------- + * 1 | DC | 1 | DC | IGC_fc_full + * + */ + if ((mii_nway_adv_reg & NWAY_AR_PAUSE) && + (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) { + /* Now we need to check if the user selected Rx ONLY + * of pause frames. In this case, we had to advertise + * FULL flow control because we could not advertise Rx + * ONLY. Hence, we must now check to see if we need to + * turn OFF the TRANSMISSION of PAUSE frames. + */ + if (hw->fc.requested_mode == igc_fc_full) { + hw->fc.current_mode = igc_fc_full; + DEBUGOUT("Flow Control = FULL.\n"); + } else { + hw->fc.current_mode = igc_fc_rx_pause; + DEBUGOUT("Flow Control = Rx PAUSE frames only.\n"); + } + } + /* For receiving PAUSE frames ONLY. + * + * LOCAL DEVICE | LINK PARTNER + * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result + *-------|---------|-------|---------|-------------------- + * 0 | 1 | 1 | 1 | igc_fc_tx_pause + */ + else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) && + (mii_nway_adv_reg & NWAY_AR_ASM_DIR) && + (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) && + (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) { + hw->fc.current_mode = igc_fc_tx_pause; + DEBUGOUT("Flow Control = Tx PAUSE frames only.\n"); + } + /* For transmitting PAUSE frames ONLY. + * + * LOCAL DEVICE | LINK PARTNER + * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result + *-------|---------|-------|---------|-------------------- + * 1 | 1 | 0 | 1 | igc_fc_rx_pause + */ + else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) && + (mii_nway_adv_reg & NWAY_AR_ASM_DIR) && + !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) && + (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) { + hw->fc.current_mode = igc_fc_rx_pause; + DEBUGOUT("Flow Control = Rx PAUSE frames only.\n"); + } else { + /* Per the IEEE spec, at this point flow control + * should be disabled. + */ + hw->fc.current_mode = igc_fc_none; + DEBUGOUT("Flow Control = NONE.\n"); + } + + /* Now we need to do one last check... If we auto- + * negotiated to HALF DUPLEX, flow control should not be + * enabled per IEEE 802.3 spec. + */ + ret_val = mac->ops.get_link_up_info(hw, &speed, &duplex); + if (ret_val) { + DEBUGOUT("Error getting link speed and duplex\n"); + return ret_val; + } + + if (duplex == HALF_DUPLEX) + hw->fc.current_mode = igc_fc_none; + + /* Now we call a subroutine to actually force the MAC + * controller to use the correct flow control settings. + */ + ret_val = igc_force_mac_fc_generic(hw); + if (ret_val) { + DEBUGOUT("Error forcing flow control settings\n"); + return ret_val; + } + } + + return IGC_SUCCESS; +} + +/** + * igc_get_speed_and_duplex_copper_generic - Retrieve current speed/duplex + * @hw: pointer to the HW structure + * @speed: stores the current speed + * @duplex: stores the current duplex + * + * Read the status register for the current speed/duplex and store the current + * speed and duplex for copper connections. + **/ +s32 igc_get_speed_and_duplex_copper_generic(struct igc_hw *hw, u16 *speed, + u16 *duplex) +{ + u32 status; + + DEBUGFUNC("igc_get_speed_and_duplex_copper_generic"); + + status = IGC_READ_REG(hw, IGC_STATUS); + if (status & IGC_STATUS_SPEED_1000) { + /* For I225, STATUS will indicate 1G speed in both 1 Gbps + * and 2.5 Gbps link modes. An additional bit is used + * to differentiate between 1 Gbps and 2.5 Gbps. + */ + if (hw->mac.type == igc_i225 && + (status & IGC_STATUS_SPEED_2500)) { + *speed = SPEED_2500; + DEBUGOUT("2500 Mbs, "); + } else { + *speed = SPEED_1000; + DEBUGOUT("1000 Mbs, "); + } + } else if (status & IGC_STATUS_SPEED_100) { + *speed = SPEED_100; + DEBUGOUT("100 Mbs, "); + } else { + *speed = SPEED_10; + DEBUGOUT("10 Mbs, "); + } + + if (status & IGC_STATUS_FD) { + *duplex = FULL_DUPLEX; + DEBUGOUT("Full Duplex\n"); + } else { + *duplex = HALF_DUPLEX; + DEBUGOUT("Half Duplex\n"); + } + + return IGC_SUCCESS; +} + +/** + * igc_get_speed_and_duplex_fiber_generic - Retrieve current speed/duplex + * @hw: pointer to the HW structure + * @speed: stores the current speed + * @duplex: stores the current duplex + * + * Sets the speed and duplex to gigabit full duplex (the only possible option) + * for fiber/serdes links. + **/ +s32 +igc_get_speed_and_duplex_fiber_serdes_generic(struct igc_hw *hw, + u16 *speed, u16 *duplex) +{ + DEBUGFUNC("igc_get_speed_and_duplex_fiber_serdes_generic"); + UNREFERENCED_1PARAMETER(hw); + + *speed = SPEED_1000; + *duplex = FULL_DUPLEX; + + return IGC_SUCCESS; +} + +/** + * igc_get_hw_semaphore_generic - Acquire hardware semaphore + * @hw: pointer to the HW structure + * + * Acquire the HW semaphore to access the PHY or NVM + **/ +s32 igc_get_hw_semaphore_generic(struct igc_hw *hw) +{ + u32 swsm; + s32 timeout = hw->nvm.word_size + 1; + s32 i = 0; + + DEBUGFUNC("igc_get_hw_semaphore_generic"); + + /* Get the SW semaphore */ + while (i < timeout) { + swsm = IGC_READ_REG(hw, IGC_SWSM); + if (!(swsm & IGC_SWSM_SMBI)) + break; + + usec_delay(50); + i++; + } + + if (i == timeout) { + DEBUGOUT("Driver can't access device - SMBI bit is set.\n"); + return -IGC_ERR_NVM; + } + + /* Get the FW semaphore. */ + for (i = 0; i < timeout; i++) { + swsm = IGC_READ_REG(hw, IGC_SWSM); + IGC_WRITE_REG(hw, IGC_SWSM, swsm | IGC_SWSM_SWESMBI); + + /* Semaphore acquired if bit latched */ + if (IGC_READ_REG(hw, IGC_SWSM) & IGC_SWSM_SWESMBI) + break; + + usec_delay(50); + } + + if (i == timeout) { + /* Release semaphores */ + igc_put_hw_semaphore_generic(hw); + DEBUGOUT("Driver can't access the NVM\n"); + return -IGC_ERR_NVM; + } + + return IGC_SUCCESS; +} + +/** + * igc_put_hw_semaphore_generic - Release hardware semaphore + * @hw: pointer to the HW structure + * + * Release hardware semaphore used to access the PHY or NVM + **/ +void igc_put_hw_semaphore_generic(struct igc_hw *hw) +{ + u32 swsm; + + DEBUGFUNC("igc_put_hw_semaphore_generic"); + + swsm = IGC_READ_REG(hw, IGC_SWSM); + + swsm &= ~(IGC_SWSM_SMBI | IGC_SWSM_SWESMBI); + + IGC_WRITE_REG(hw, IGC_SWSM, swsm); +} + +/** + * igc_get_auto_rd_done_generic - Check for auto read completion + * @hw: pointer to the HW structure + * + * Check EEPROM for Auto Read done bit. + **/ +s32 igc_get_auto_rd_done_generic(struct igc_hw *hw) +{ + s32 i = 0; + + DEBUGFUNC("igc_get_auto_rd_done_generic"); + + while (i < AUTO_READ_DONE_TIMEOUT) { + if (IGC_READ_REG(hw, IGC_EECD) & IGC_EECD_AUTO_RD) + break; + msec_delay(1); + i++; + } + + if (i == AUTO_READ_DONE_TIMEOUT) { + DEBUGOUT("Auto read by HW from NVM has not completed.\n"); + return -IGC_ERR_RESET; + } + + return IGC_SUCCESS; +} + +/** + * igc_valid_led_default_generic - Verify a valid default LED config + * @hw: pointer to the HW structure + * @data: pointer to the NVM (EEPROM) + * + * Read the EEPROM for the current default LED configuration. If the + * LED configuration is not valid, set to a valid LED configuration. + **/ +s32 igc_valid_led_default_generic(struct igc_hw *hw, u16 *data) +{ + s32 ret_val; + + DEBUGFUNC("igc_valid_led_default_generic"); + + ret_val = hw->nvm.ops.read(hw, NVM_ID_LED_SETTINGS, 1, data); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + + if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) + *data = ID_LED_DEFAULT; + + return IGC_SUCCESS; +} + +/** + * igc_id_led_init_generic - + * @hw: pointer to the HW structure + * + **/ +s32 igc_id_led_init_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + s32 ret_val; + const u32 ledctl_mask = 0x000000FF; + const u32 ledctl_on = IGC_LEDCTL_MODE_LED_ON; + const u32 ledctl_off = IGC_LEDCTL_MODE_LED_OFF; + u16 data, i, temp; + const u16 led_mask = 0x0F; + + DEBUGFUNC("igc_id_led_init_generic"); + + ret_val = hw->nvm.ops.valid_led_default(hw, &data); + if (ret_val) + return ret_val; + + mac->ledctl_default = IGC_READ_REG(hw, IGC_LEDCTL); + mac->ledctl_mode1 = mac->ledctl_default; + mac->ledctl_mode2 = mac->ledctl_default; + + for (i = 0; i < 4; i++) { + temp = (data >> (i << 2)) & led_mask; + switch (temp) { + case ID_LED_ON1_DEF2: + case ID_LED_ON1_ON2: + case ID_LED_ON1_OFF2: + mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3)); + mac->ledctl_mode1 |= ledctl_on << (i << 3); + break; + case ID_LED_OFF1_DEF2: + case ID_LED_OFF1_ON2: + case ID_LED_OFF1_OFF2: + mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3)); + mac->ledctl_mode1 |= ledctl_off << (i << 3); + break; + default: + /* Do nothing */ + break; + } + switch (temp) { + case ID_LED_DEF1_ON2: + case ID_LED_ON1_ON2: + case ID_LED_OFF1_ON2: + mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3)); + mac->ledctl_mode2 |= ledctl_on << (i << 3); + break; + case ID_LED_DEF1_OFF2: + case ID_LED_ON1_OFF2: + case ID_LED_OFF1_OFF2: + mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3)); + mac->ledctl_mode2 |= ledctl_off << (i << 3); + break; + default: + /* Do nothing */ + break; + } + } + + return IGC_SUCCESS; +} + +/** + * igc_setup_led_generic - Configures SW controllable LED + * @hw: pointer to the HW structure + * + * This prepares the SW controllable LED for use and saves the current state + * of the LED so it can be later restored. + **/ +s32 igc_setup_led_generic(struct igc_hw *hw) +{ + u32 ledctl; + + DEBUGFUNC("igc_setup_led_generic"); + + if (hw->mac.ops.setup_led != igc_setup_led_generic) + return -IGC_ERR_CONFIG; + + if (hw->phy.media_type == igc_media_type_fiber) { + ledctl = IGC_READ_REG(hw, IGC_LEDCTL); + hw->mac.ledctl_default = ledctl; + /* Turn off LED0 */ + ledctl &= ~(IGC_LEDCTL_LED0_IVRT | IGC_LEDCTL_LED0_BLINK | + IGC_LEDCTL_LED0_MODE_MASK); + ledctl |= (IGC_LEDCTL_MODE_LED_OFF << + IGC_LEDCTL_LED0_MODE_SHIFT); + IGC_WRITE_REG(hw, IGC_LEDCTL, ledctl); + } else if (hw->phy.media_type == igc_media_type_copper) { + IGC_WRITE_REG(hw, IGC_LEDCTL, hw->mac.ledctl_mode1); + } + + return IGC_SUCCESS; +} + +/** + * igc_cleanup_led_generic - Set LED config to default operation + * @hw: pointer to the HW structure + * + * Remove the current LED configuration and set the LED configuration + * to the default value, saved from the EEPROM. + **/ +s32 igc_cleanup_led_generic(struct igc_hw *hw) +{ + DEBUGFUNC("igc_cleanup_led_generic"); + + IGC_WRITE_REG(hw, IGC_LEDCTL, hw->mac.ledctl_default); + return IGC_SUCCESS; +} + +/** + * igc_blink_led_generic - Blink LED + * @hw: pointer to the HW structure + * + * Blink the LEDs which are set to be on. + **/ +s32 igc_blink_led_generic(struct igc_hw *hw) +{ + u32 ledctl_blink = 0; + u32 i; + + DEBUGFUNC("igc_blink_led_generic"); + + if (hw->phy.media_type == igc_media_type_fiber) { + /* always blink LED0 for PCI-E fiber */ + ledctl_blink = IGC_LEDCTL_LED0_BLINK | + (IGC_LEDCTL_MODE_LED_ON << IGC_LEDCTL_LED0_MODE_SHIFT); + } else { + /* Set the blink bit for each LED that's "on" (0x0E) + * (or "off" if inverted) in ledctl_mode2. The blink + * logic in hardware only works when mode is set to "on" + * so it must be changed accordingly when the mode is + * "off" and inverted. + */ + ledctl_blink = hw->mac.ledctl_mode2; + for (i = 0; i < 32; i += 8) { + u32 mode = (hw->mac.ledctl_mode2 >> i) & + IGC_LEDCTL_LED0_MODE_MASK; + u32 led_default = hw->mac.ledctl_default >> i; + + if ((!(led_default & IGC_LEDCTL_LED0_IVRT) && + mode == IGC_LEDCTL_MODE_LED_ON) || + ((led_default & IGC_LEDCTL_LED0_IVRT) && + mode == IGC_LEDCTL_MODE_LED_OFF)) { + ledctl_blink &= + ~(IGC_LEDCTL_LED0_MODE_MASK << i); + ledctl_blink |= (IGC_LEDCTL_LED0_BLINK | + IGC_LEDCTL_MODE_LED_ON) << i; + } + } + } + + IGC_WRITE_REG(hw, IGC_LEDCTL, ledctl_blink); + + return IGC_SUCCESS; +} + +/** + * igc_led_on_generic - Turn LED on + * @hw: pointer to the HW structure + * + * Turn LED on. + **/ +s32 igc_led_on_generic(struct igc_hw *hw) +{ + u32 ctrl; + + DEBUGFUNC("igc_led_on_generic"); + + switch (hw->phy.media_type) { + case igc_media_type_fiber: + ctrl = IGC_READ_REG(hw, IGC_CTRL); + ctrl &= ~IGC_CTRL_SWDPIN0; + ctrl |= IGC_CTRL_SWDPIO0; + IGC_WRITE_REG(hw, IGC_CTRL, ctrl); + break; + case igc_media_type_copper: + IGC_WRITE_REG(hw, IGC_LEDCTL, hw->mac.ledctl_mode2); + break; + default: + break; + } + + return IGC_SUCCESS; +} + +/** + * igc_led_off_generic - Turn LED off + * @hw: pointer to the HW structure + * + * Turn LED off. + **/ +s32 igc_led_off_generic(struct igc_hw *hw) +{ + u32 ctrl; + + DEBUGFUNC("igc_led_off_generic"); + + switch (hw->phy.media_type) { + case igc_media_type_fiber: + ctrl = IGC_READ_REG(hw, IGC_CTRL); + ctrl |= IGC_CTRL_SWDPIN0; + ctrl |= IGC_CTRL_SWDPIO0; + IGC_WRITE_REG(hw, IGC_CTRL, ctrl); + break; + case igc_media_type_copper: + IGC_WRITE_REG(hw, IGC_LEDCTL, hw->mac.ledctl_mode1); + break; + default: + break; + } + + return IGC_SUCCESS; +} + +/** + * igc_set_pcie_no_snoop_generic - Set PCI-express capabilities + * @hw: pointer to the HW structure + * @no_snoop: bitmap of snoop events + * + * Set the PCI-express register to snoop for events enabled in 'no_snoop'. + **/ +void igc_set_pcie_no_snoop_generic(struct igc_hw *hw, u32 no_snoop) +{ + u32 gcr; + + DEBUGFUNC("igc_set_pcie_no_snoop_generic"); + + if (hw->bus.type != igc_bus_type_pci_express) + return; + + if (no_snoop) { + gcr = IGC_READ_REG(hw, IGC_GCR); + gcr &= ~(PCIE_NO_SNOOP_ALL); + gcr |= no_snoop; + IGC_WRITE_REG(hw, IGC_GCR, gcr); + } +} + +/** + * igc_disable_pcie_master_generic - Disables PCI-express master access + * @hw: pointer to the HW structure + * + * Returns IGC_SUCCESS if successful, else returns -10 + * (-IGC_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not caused + * the master requests to be disabled. + * + * Disables PCI-Express master access and verifies there are no pending + * requests. + **/ +s32 igc_disable_pcie_master_generic(struct igc_hw *hw) +{ + u32 ctrl; + s32 timeout = MASTER_DISABLE_TIMEOUT; + + DEBUGFUNC("igc_disable_pcie_master_generic"); + + ctrl = IGC_READ_REG(hw, IGC_CTRL); + ctrl |= IGC_CTRL_GIO_MASTER_DISABLE; + IGC_WRITE_REG(hw, IGC_CTRL, ctrl); + + while (timeout) { + if (!(IGC_READ_REG(hw, IGC_STATUS) & + IGC_STATUS_GIO_MASTER_ENABLE) || + IGC_REMOVED(hw->hw_addr)) + break; + usec_delay(100); + timeout--; + } + + if (!timeout) { + DEBUGOUT("Master requests are pending.\n"); + return -IGC_ERR_MASTER_REQUESTS_PENDING; + } + + return IGC_SUCCESS; +} + +/** + * igc_reset_adaptive_generic - Reset Adaptive Interframe Spacing + * @hw: pointer to the HW structure + * + * Reset the Adaptive Interframe Spacing throttle to default values. + **/ +void igc_reset_adaptive_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + + DEBUGFUNC("igc_reset_adaptive_generic"); + + if (!mac->adaptive_ifs) { + DEBUGOUT("Not in Adaptive IFS mode!\n"); + return; + } + + mac->current_ifs_val = 0; + mac->ifs_min_val = IFS_MIN; + mac->ifs_max_val = IFS_MAX; + mac->ifs_step_size = IFS_STEP; + mac->ifs_ratio = IFS_RATIO; + + mac->in_ifs_mode = false; + IGC_WRITE_REG(hw, IGC_AIT, 0); +} + +/** + * igc_update_adaptive_generic - Update Adaptive Interframe Spacing + * @hw: pointer to the HW structure + * + * Update the Adaptive Interframe Spacing Throttle value based on the + * time between transmitted packets and time between collisions. + **/ +void igc_update_adaptive_generic(struct igc_hw *hw) +{ + struct igc_mac_info *mac = &hw->mac; + + DEBUGFUNC("igc_update_adaptive_generic"); + + if (!mac->adaptive_ifs) { + DEBUGOUT("Not in Adaptive IFS mode!\n"); + return; + } + + if ((mac->collision_delta * mac->ifs_ratio) > mac->tx_packet_delta) { + if (mac->tx_packet_delta > MIN_NUM_XMITS) { + mac->in_ifs_mode = true; + if (mac->current_ifs_val < mac->ifs_max_val) { + if (!mac->current_ifs_val) + mac->current_ifs_val = mac->ifs_min_val; + else + mac->current_ifs_val += + mac->ifs_step_size; + IGC_WRITE_REG(hw, IGC_AIT, + mac->current_ifs_val); + } + } + } else { + if (mac->in_ifs_mode && + mac->tx_packet_delta <= MIN_NUM_XMITS) { + mac->current_ifs_val = 0; + mac->in_ifs_mode = false; + IGC_WRITE_REG(hw, IGC_AIT, 0); + } + } +} + +/** + * igc_validate_mdi_setting_generic - Verify MDI/MDIx settings + * @hw: pointer to the HW structure + * + * Verify that when not using auto-negotiation that MDI/MDIx is correctly + * set, which is forced to MDI mode only. + **/ +static s32 igc_validate_mdi_setting_generic(struct igc_hw *hw) +{ + DEBUGFUNC("igc_validate_mdi_setting_generic"); + + if (!hw->mac.autoneg && (hw->phy.mdix == 0 || hw->phy.mdix == 3)) { + DEBUGOUT("Invalid MDI setting detected\n"); + hw->phy.mdix = 1; + return -IGC_ERR_CONFIG; + } + + return IGC_SUCCESS; +} + +/** + * igc_validate_mdi_setting_crossover_generic - Verify MDI/MDIx settings + * @hw: pointer to the HW structure + * + * Validate the MDI/MDIx setting, allowing for auto-crossover during forced + * operation. + **/ +s32 +igc_validate_mdi_setting_crossover_generic(struct igc_hw IGC_UNUSEDARG * hw) +{ + DEBUGFUNC("igc_validate_mdi_setting_crossover_generic"); + UNREFERENCED_1PARAMETER(hw); + + return IGC_SUCCESS; +} + +/** + * igc_write_8bit_ctrl_reg_generic - Write a 8bit CTRL register + * @hw: pointer to the HW structure + * @reg: 32bit register offset such as IGC_SCTL + * @offset: register offset to write to + * @data: data to write at register offset + * + * Writes an address/data control type register. There are several of these + * and they all have the format address << 8 | data and bit 31 is polled for + * completion. + **/ +s32 igc_write_8bit_ctrl_reg_generic(struct igc_hw *hw, u32 reg, + u32 offset, u8 data) +{ + u32 i, regvalue = 0; + + DEBUGFUNC("igc_write_8bit_ctrl_reg_generic"); + + /* Set up the address and data */ + regvalue = ((u32)data) | (offset << IGC_GEN_CTL_ADDRESS_SHIFT); + IGC_WRITE_REG(hw, reg, regvalue); + + /* Poll the ready bit to see if the MDI read completed */ + for (i = 0; i < IGC_GEN_POLL_TIMEOUT; i++) { + usec_delay(5); + regvalue = IGC_READ_REG(hw, reg); + if (regvalue & IGC_GEN_CTL_READY) + break; + } + if (!(regvalue & IGC_GEN_CTL_READY)) { + DEBUGOUT1("Reg %08x did not indicate ready\n", reg); + return -IGC_ERR_PHY; + } + + return IGC_SUCCESS; +} diff --git a/drivers/net/igc/base/igc_mac.h b/drivers/net/igc/base/igc_mac.h new file mode 100644 index 0000000000..f3c029df13 --- /dev/null +++ b/drivers/net/igc/base/igc_mac.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_MAC_H_ +#define _IGC_MAC_H_ + +void igc_init_mac_ops_generic(struct igc_hw *hw); +#define IGC_REMOVED(a) (0) +void igc_null_mac_generic(struct igc_hw *hw); +s32 igc_null_ops_generic(struct igc_hw *hw); +s32 igc_null_link_info(struct igc_hw *hw, u16 *s, u16 *d); +bool igc_null_mng_mode(struct igc_hw *hw); +void igc_null_update_mc(struct igc_hw *hw, u8 *h, u32 a); +void igc_null_write_vfta(struct igc_hw *hw, u32 a, u32 b); +int igc_null_rar_set(struct igc_hw *hw, u8 *h, u32 a); +s32 igc_blink_led_generic(struct igc_hw *hw); +s32 igc_check_for_copper_link_generic(struct igc_hw *hw); +s32 igc_check_for_fiber_link_generic(struct igc_hw *hw); +s32 igc_check_for_serdes_link_generic(struct igc_hw *hw); +s32 igc_cleanup_led_generic(struct igc_hw *hw); +s32 igc_commit_fc_settings_generic(struct igc_hw *hw); +s32 igc_poll_fiber_serdes_link_generic(struct igc_hw *hw); +s32 igc_config_fc_after_link_up_generic(struct igc_hw *hw); +s32 igc_disable_pcie_master_generic(struct igc_hw *hw); +s32 igc_force_mac_fc_generic(struct igc_hw *hw); +s32 igc_get_auto_rd_done_generic(struct igc_hw *hw); +s32 igc_get_bus_info_pci_generic(struct igc_hw *hw); +s32 igc_get_bus_info_pcie_generic(struct igc_hw *hw); +void igc_set_lan_id_single_port(struct igc_hw *hw); +void igc_set_lan_id_multi_port_pci(struct igc_hw *hw); +s32 igc_get_hw_semaphore_generic(struct igc_hw *hw); +s32 igc_get_speed_and_duplex_copper_generic(struct igc_hw *hw, u16 *speed, + u16 *duplex); +s32 igc_get_speed_and_duplex_fiber_serdes_generic(struct igc_hw *hw, + u16 *speed, u16 *duplex); +s32 igc_id_led_init_generic(struct igc_hw *hw); +s32 igc_led_on_generic(struct igc_hw *hw); +s32 igc_led_off_generic(struct igc_hw *hw); +void igc_update_mc_addr_list_generic(struct igc_hw *hw, + u8 *mc_addr_list, u32 mc_addr_count); +s32 igc_set_default_fc_generic(struct igc_hw *hw); +s32 igc_set_fc_watermarks_generic(struct igc_hw *hw); +s32 igc_setup_fiber_serdes_link_generic(struct igc_hw *hw); +s32 igc_setup_led_generic(struct igc_hw *hw); +s32 igc_setup_link_generic(struct igc_hw *hw); +s32 igc_validate_mdi_setting_crossover_generic(struct igc_hw *hw); +s32 igc_write_8bit_ctrl_reg_generic(struct igc_hw *hw, u32 reg, + u32 offset, u8 data); + +u32 igc_hash_mc_addr_generic(struct igc_hw *hw, u8 *mc_addr); + +void igc_clear_hw_cntrs_base_generic(struct igc_hw *hw); +void igc_clear_vfta_generic(struct igc_hw *hw); +void igc_init_rx_addrs_generic(struct igc_hw *hw, u16 rar_count); +void igc_pcix_mmrbc_workaround_generic(struct igc_hw *hw); +void igc_put_hw_semaphore_generic(struct igc_hw *hw); +s32 igc_check_alt_mac_addr_generic(struct igc_hw *hw); +void igc_reset_adaptive_generic(struct igc_hw *hw); +void igc_set_pcie_no_snoop_generic(struct igc_hw *hw, u32 no_snoop); +void igc_update_adaptive_generic(struct igc_hw *hw); +void igc_write_vfta_generic(struct igc_hw *hw, u32 offset, u32 value); + +#endif diff --git a/drivers/net/igc/base/igc_manage.c b/drivers/net/igc/base/igc_manage.c new file mode 100644 index 0000000000..3c056f62f5 --- /dev/null +++ b/drivers/net/igc/base/igc_manage.c @@ -0,0 +1,547 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#include "igc_api.h" +#include "igc_manage.h" + +/** + * igc_calculate_checksum - Calculate checksum for buffer + * @buffer: pointer to EEPROM + * @length: size of EEPROM to calculate a checksum for + * + * Calculates the checksum for some buffer on a specified length. The + * checksum calculated is returned. + **/ +u8 igc_calculate_checksum(u8 *buffer, u32 length) +{ + u32 i; + u8 sum = 0; + + DEBUGFUNC("igc_calculate_checksum"); + + if (!buffer) + return 0; + + for (i = 0; i < length; i++) + sum += buffer[i]; + + return (u8)(0 - sum); +} + +/** + * igc_mng_enable_host_if_generic - Checks host interface is enabled + * @hw: pointer to the HW structure + * + * Returns IGC_success upon success, else IGC_ERR_HOST_INTERFACE_COMMAND + * + * This function checks whether the HOST IF is enabled for command operation + * and also checks whether the previous command is completed. It busy waits + * in case of previous command is not completed. + **/ +s32 igc_mng_enable_host_if_generic(struct igc_hw *hw) +{ + u32 hicr; + u8 i; + + DEBUGFUNC("igc_mng_enable_host_if_generic"); + + if (!hw->mac.arc_subsystem_valid) { + DEBUGOUT("ARC subsystem not valid.\n"); + return -IGC_ERR_HOST_INTERFACE_COMMAND; + } + + /* Check that the host interface is enabled. */ + hicr = IGC_READ_REG(hw, IGC_HICR); + if (!(hicr & IGC_HICR_EN)) { + DEBUGOUT("IGC_HOST_EN bit disabled.\n"); + return -IGC_ERR_HOST_INTERFACE_COMMAND; + } + /* check the previous command is completed */ + for (i = 0; i < IGC_MNG_DHCP_COMMAND_TIMEOUT; i++) { + hicr = IGC_READ_REG(hw, IGC_HICR); + if (!(hicr & IGC_HICR_C)) + break; + msec_delay_irq(1); + } + + if (i == IGC_MNG_DHCP_COMMAND_TIMEOUT) { + DEBUGOUT("Previous command timeout failed .\n"); + return -IGC_ERR_HOST_INTERFACE_COMMAND; + } + + return IGC_SUCCESS; +} + +/** + * igc_check_mng_mode_generic - Generic check management mode + * @hw: pointer to the HW structure + * + * Reads the firmware semaphore register and returns true (>0) if + * manageability is enabled, else false (0). + **/ +bool igc_check_mng_mode_generic(struct igc_hw *hw) +{ + u32 fwsm = IGC_READ_REG(hw, IGC_FWSM); + + DEBUGFUNC("igc_check_mng_mode_generic"); + + + return (fwsm & IGC_FWSM_MODE_MASK) == + (IGC_MNG_IAMT_MODE << IGC_FWSM_MODE_SHIFT); +} + +/** + * igc_enable_tx_pkt_filtering_generic - Enable packet filtering on Tx + * @hw: pointer to the HW structure + * + * Enables packet filtering on transmit packets if manageability is enabled + * and host interface is enabled. + **/ +bool igc_enable_tx_pkt_filtering_generic(struct igc_hw *hw) +{ + struct igc_host_mng_dhcp_cookie *hdr = &hw->mng_cookie; + u32 *buffer = (u32 *)&hw->mng_cookie; + u32 offset; + s32 ret_val, hdr_csum, csum; + u8 i, len; + + DEBUGFUNC("igc_enable_tx_pkt_filtering_generic"); + + hw->mac.tx_pkt_filtering = true; + + /* No manageability, no filtering */ + if (!hw->mac.ops.check_mng_mode(hw)) { + hw->mac.tx_pkt_filtering = false; + return hw->mac.tx_pkt_filtering; + } + + /* If we can't read from the host interface for whatever + * reason, disable filtering. + */ + ret_val = igc_mng_enable_host_if_generic(hw); + if (ret_val != IGC_SUCCESS) { + hw->mac.tx_pkt_filtering = false; + return hw->mac.tx_pkt_filtering; + } + + /* Read in the header. Length and offset are in dwords. */ + len = IGC_MNG_DHCP_COOKIE_LENGTH >> 2; + offset = IGC_MNG_DHCP_COOKIE_OFFSET >> 2; + for (i = 0; i < len; i++) + *(buffer + i) = IGC_READ_REG_ARRAY_DWORD(hw, IGC_HOST_IF, + offset + i); + hdr_csum = hdr->checksum; + hdr->checksum = 0; + csum = igc_calculate_checksum((u8 *)hdr, + IGC_MNG_DHCP_COOKIE_LENGTH); + /* If either the checksums or signature don't match, then + * the cookie area isn't considered valid, in which case we + * take the safe route of assuming Tx filtering is enabled. + */ + if (hdr_csum != csum || hdr->signature != IGC_IAMT_SIGNATURE) { + hw->mac.tx_pkt_filtering = true; + return hw->mac.tx_pkt_filtering; + } + + /* Cookie area is valid, make the final check for filtering. */ + if (!(hdr->status & IGC_MNG_DHCP_COOKIE_STATUS_PARSING)) + hw->mac.tx_pkt_filtering = false; + + return hw->mac.tx_pkt_filtering; +} + +/** + * igc_mng_write_cmd_header_generic - Writes manageability command header + * @hw: pointer to the HW structure + * @hdr: pointer to the host interface command header + * + * Writes the command header after does the checksum calculation. + **/ +s32 igc_mng_write_cmd_header_generic(struct igc_hw *hw, + struct igc_host_mng_command_header *hdr) +{ + u16 i, length = sizeof(struct igc_host_mng_command_header); + + DEBUGFUNC("igc_mng_write_cmd_header_generic"); + + /* Write the whole command header structure with new checksum. */ + + hdr->checksum = igc_calculate_checksum((u8 *)hdr, length); + + length >>= 2; + /* Write the relevant command block into the ram area. */ + for (i = 0; i < length; i++) { + IGC_WRITE_REG_ARRAY_DWORD(hw, IGC_HOST_IF, i, + *((u32 *)hdr + i)); + IGC_WRITE_FLUSH(hw); + } + + return IGC_SUCCESS; +} + +/** + * igc_mng_host_if_write_generic - Write to the manageability host interface + * @hw: pointer to the HW structure + * @buffer: pointer to the host interface buffer + * @length: size of the buffer + * @offset: location in the buffer to write to + * @sum: sum of the data (not checksum) + * + * This function writes the buffer content at the offset given on the host if. + * It also does alignment considerations to do the writes in most efficient + * way. Also fills up the sum of the buffer in *buffer parameter. + **/ +s32 igc_mng_host_if_write_generic(struct igc_hw *hw, u8 *buffer, + u16 length, u16 offset, u8 *sum) +{ + u8 *tmp; + u8 *bufptr = buffer; + u32 data = 0; + u16 remaining, i, j, prev_bytes; + + DEBUGFUNC("igc_mng_host_if_write_generic"); + + /* sum = only sum of the data and it is not checksum */ + + if (length == 0 || offset + length > IGC_HI_MAX_MNG_DATA_LENGTH) + return -IGC_ERR_PARAM; + + tmp = (u8 *)&data; + prev_bytes = offset & 0x3; + offset >>= 2; + + if (prev_bytes) { + data = IGC_READ_REG_ARRAY_DWORD(hw, IGC_HOST_IF, offset); + for (j = prev_bytes; j < sizeof(u32); j++) { + *(tmp + j) = *bufptr++; + *sum += *(tmp + j); + } + IGC_WRITE_REG_ARRAY_DWORD(hw, IGC_HOST_IF, offset, data); + length -= j - prev_bytes; + offset++; + } + + remaining = length & 0x3; + length -= remaining; + + /* Calculate length in DWORDs */ + length >>= 2; + + /* The device driver writes the relevant command block into the + * ram area. + */ + for (i = 0; i < length; i++) { + for (j = 0; j < sizeof(u32); j++) { + *(tmp + j) = *bufptr++; + *sum += *(tmp + j); + } + + IGC_WRITE_REG_ARRAY_DWORD(hw, IGC_HOST_IF, offset + i, + data); + } + if (remaining) { + for (j = 0; j < sizeof(u32); j++) { + if (j < remaining) + *(tmp + j) = *bufptr++; + else + *(tmp + j) = 0; + + *sum += *(tmp + j); + } + IGC_WRITE_REG_ARRAY_DWORD(hw, IGC_HOST_IF, offset + i, + data); + } + + return IGC_SUCCESS; +} + +/** + * igc_mng_write_dhcp_info_generic - Writes DHCP info to host interface + * @hw: pointer to the HW structure + * @buffer: pointer to the host interface + * @length: size of the buffer + * + * Writes the DHCP information to the host interface. + **/ +s32 igc_mng_write_dhcp_info_generic(struct igc_hw *hw, u8 *buffer, + u16 length) +{ + struct igc_host_mng_command_header hdr; + s32 ret_val; + u32 hicr; + + DEBUGFUNC("igc_mng_write_dhcp_info_generic"); + + hdr.command_id = IGC_MNG_DHCP_TX_PAYLOAD_CMD; + hdr.command_length = length; + hdr.reserved1 = 0; + hdr.reserved2 = 0; + hdr.checksum = 0; + + /* Enable the host interface */ + ret_val = igc_mng_enable_host_if_generic(hw); + if (ret_val) + return ret_val; + + /* Populate the host interface with the contents of "buffer". */ + ret_val = igc_mng_host_if_write_generic(hw, buffer, length, + sizeof(hdr), &hdr.checksum); + if (ret_val) + return ret_val; + + /* Write the manageability command header */ + ret_val = igc_mng_write_cmd_header_generic(hw, &hdr); + if (ret_val) + return ret_val; + + /* Tell the ARC a new command is pending. */ + hicr = IGC_READ_REG(hw, IGC_HICR); + IGC_WRITE_REG(hw, IGC_HICR, hicr | IGC_HICR_C); + + return IGC_SUCCESS; +} + +/** + * igc_enable_mng_pass_thru - Check if management passthrough is needed + * @hw: pointer to the HW structure + * + * Verifies the hardware needs to leave interface enabled so that frames can + * be directed to and from the management interface. + **/ +bool igc_enable_mng_pass_thru(struct igc_hw *hw) +{ + u32 manc; + u32 fwsm, factps; + + DEBUGFUNC("igc_enable_mng_pass_thru"); + + if (!hw->mac.asf_firmware_present) + return false; + + manc = IGC_READ_REG(hw, IGC_MANC); + + if (!(manc & IGC_MANC_RCV_TCO_EN)) + return false; + + if (hw->mac.has_fwsm) { + fwsm = IGC_READ_REG(hw, IGC_FWSM); + factps = IGC_READ_REG(hw, IGC_FACTPS); + + if (!(factps & IGC_FACTPS_MNGCG) && + ((fwsm & IGC_FWSM_MODE_MASK) == + (igc_mng_mode_pt << IGC_FWSM_MODE_SHIFT))) + return true; + } else if ((hw->mac.type == igc_82574) || + (hw->mac.type == igc_82583)) { + u16 data; + s32 ret_val; + + factps = IGC_READ_REG(hw, IGC_FACTPS); + ret_val = igc_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data); + if (ret_val) + return false; + + if (!(factps & IGC_FACTPS_MNGCG) && + ((data & IGC_NVM_INIT_CTRL2_MNGM) == + (igc_mng_mode_pt << 13))) + return true; + } else if ((manc & IGC_MANC_SMBUS_EN) && + !(manc & IGC_MANC_ASF_EN)) { + return true; + } + + return false; +} + +/** + * igc_host_interface_command - Writes buffer to host interface + * @hw: pointer to the HW structure + * @buffer: contains a command to write + * @length: the byte length of the buffer, must be multiple of 4 bytes + * + * Writes a buffer to the Host Interface. Upon success, returns IGC_SUCCESS + * else returns IGC_ERR_HOST_INTERFACE_COMMAND. + **/ +s32 igc_host_interface_command(struct igc_hw *hw, u8 *buffer, u32 length) +{ + u32 hicr, i; + + DEBUGFUNC("igc_host_interface_command"); + + if (!(hw->mac.arc_subsystem_valid)) { + DEBUGOUT("Hardware doesn't support host interface command.\n"); + return IGC_SUCCESS; + } + + if (!hw->mac.asf_firmware_present) { + DEBUGOUT("Firmware is not present.\n"); + return IGC_SUCCESS; + } + + if (length == 0 || length & 0x3 || + length > IGC_HI_MAX_BLOCK_BYTE_LENGTH) { + DEBUGOUT("Buffer length failure.\n"); + return -IGC_ERR_HOST_INTERFACE_COMMAND; + } + + /* Check that the host interface is enabled. */ + hicr = IGC_READ_REG(hw, IGC_HICR); + if (!(hicr & IGC_HICR_EN)) { + DEBUGOUT("IGC_HOST_EN bit disabled.\n"); + return -IGC_ERR_HOST_INTERFACE_COMMAND; + } + + /* Calculate length in DWORDs */ + length >>= 2; + + /* The device driver writes the relevant command block + * into the ram area. + */ + for (i = 0; i < length; i++) + IGC_WRITE_REG_ARRAY_DWORD(hw, IGC_HOST_IF, i, + *((u32 *)buffer + i)); + + /* Setting this bit tells the ARC that a new command is pending. */ + IGC_WRITE_REG(hw, IGC_HICR, hicr | IGC_HICR_C); + + for (i = 0; i < IGC_HI_COMMAND_TIMEOUT; i++) { + hicr = IGC_READ_REG(hw, IGC_HICR); + if (!(hicr & IGC_HICR_C)) + break; + msec_delay(1); + } + + /* Check command successful completion. */ + if (i == IGC_HI_COMMAND_TIMEOUT || + (!(IGC_READ_REG(hw, IGC_HICR) & IGC_HICR_SV))) { + DEBUGOUT("Command has failed with no status valid.\n"); + return -IGC_ERR_HOST_INTERFACE_COMMAND; + } + + for (i = 0; i < length; i++) + *((u32 *)buffer + i) = IGC_READ_REG_ARRAY_DWORD(hw, + IGC_HOST_IF, + i); + + return IGC_SUCCESS; +} + +/** + * igc_load_firmware - Writes proxy FW code buffer to host interface + * and execute. + * @hw: pointer to the HW structure + * @buffer: contains a firmware to write + * @length: the byte length of the buffer, must be multiple of 4 bytes + * + * Upon success returns IGC_SUCCESS, returns IGC_ERR_CONFIG if not enabled + * in HW else returns IGC_ERR_HOST_INTERFACE_COMMAND. + **/ +s32 igc_load_firmware(struct igc_hw *hw, u8 *buffer, u32 length) +{ + u32 hicr, hibba, fwsm, icr, i; + + DEBUGFUNC("igc_load_firmware"); + + if (hw->mac.type < igc_i210) { + DEBUGOUT("Hardware doesn't support loading FW by the driver\n"); + return -IGC_ERR_CONFIG; + } + + /* Check that the host interface is enabled. */ + hicr = IGC_READ_REG(hw, IGC_HICR); + if (!(hicr & IGC_HICR_EN)) { + DEBUGOUT("IGC_HOST_EN bit disabled.\n"); + return -IGC_ERR_CONFIG; + } + if (!(hicr & IGC_HICR_MEMORY_BASE_EN)) { + DEBUGOUT("IGC_HICR_MEMORY_BASE_EN bit disabled.\n"); + return -IGC_ERR_CONFIG; + } + + if (length == 0 || length & 0x3 || length > IGC_HI_FW_MAX_LENGTH) { + DEBUGOUT("Buffer length failure.\n"); + return -IGC_ERR_INVALID_ARGUMENT; + } + + /* Clear notification from ROM-FW by reading ICR register */ + icr = IGC_READ_REG(hw, IGC_ICR_V2); + + /* Reset ROM-FW */ + hicr = IGC_READ_REG(hw, IGC_HICR); + hicr |= IGC_HICR_FW_RESET_ENABLE; + IGC_WRITE_REG(hw, IGC_HICR, hicr); + hicr |= IGC_HICR_FW_RESET; + IGC_WRITE_REG(hw, IGC_HICR, hicr); + IGC_WRITE_FLUSH(hw); + + /* Wait till MAC notifies about its readiness after ROM-FW reset */ + for (i = 0; i < (IGC_HI_COMMAND_TIMEOUT * 2); i++) { + icr = IGC_READ_REG(hw, IGC_ICR_V2); + if (icr & IGC_ICR_MNG) + break; + msec_delay(1); + } + + /* Check for timeout */ + if (i == IGC_HI_COMMAND_TIMEOUT) { + DEBUGOUT("FW reset failed.\n"); + return -IGC_ERR_HOST_INTERFACE_COMMAND; + } + + /* Wait till MAC is ready to accept new FW code */ + for (i = 0; i < IGC_HI_COMMAND_TIMEOUT; i++) { + fwsm = IGC_READ_REG(hw, IGC_FWSM); + if ((fwsm & IGC_FWSM_FW_VALID) && + ((fwsm & IGC_FWSM_MODE_MASK) >> IGC_FWSM_MODE_SHIFT == + IGC_FWSM_HI_EN_ONLY_MODE)) + break; + msec_delay(1); + } + + /* Check for timeout */ + if (i == IGC_HI_COMMAND_TIMEOUT) { + DEBUGOUT("FW reset failed.\n"); + return -IGC_ERR_HOST_INTERFACE_COMMAND; + } + + /* Calculate length in DWORDs */ + length >>= 2; + + /* The device driver writes the relevant FW code block + * into the ram area in DWORDs via 1kB ram addressing window. + */ + for (i = 0; i < length; i++) { + if (!(i % IGC_HI_FW_BLOCK_DWORD_LENGTH)) { + /* Point to correct 1kB ram window */ + hibba = IGC_HI_FW_BASE_ADDRESS + + ((IGC_HI_FW_BLOCK_DWORD_LENGTH << 2) * + (i / IGC_HI_FW_BLOCK_DWORD_LENGTH)); + + IGC_WRITE_REG(hw, IGC_HIBBA, hibba); + } + + IGC_WRITE_REG_ARRAY_DWORD(hw, IGC_HOST_IF, + i % IGC_HI_FW_BLOCK_DWORD_LENGTH, + *((u32 *)buffer + i)); + } + + /* Setting this bit tells the ARC that a new FW is ready to execute. */ + hicr = IGC_READ_REG(hw, IGC_HICR); + IGC_WRITE_REG(hw, IGC_HICR, hicr | IGC_HICR_C); + + for (i = 0; i < IGC_HI_COMMAND_TIMEOUT; i++) { + hicr = IGC_READ_REG(hw, IGC_HICR); + if (!(hicr & IGC_HICR_C)) + break; + msec_delay(1); + } + + /* Check for successful FW start. */ + if (i == IGC_HI_COMMAND_TIMEOUT) { + DEBUGOUT("New FW did not start within timeout period.\n"); + return -IGC_ERR_HOST_INTERFACE_COMMAND; + } + + return IGC_SUCCESS; +} diff --git a/drivers/net/igc/base/igc_manage.h b/drivers/net/igc/base/igc_manage.h new file mode 100644 index 0000000000..e4e5459fd1 --- /dev/null +++ b/drivers/net/igc/base/igc_manage.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_MANAGE_H_ +#define _IGC_MANAGE_H_ + +bool igc_check_mng_mode_generic(struct igc_hw *hw); +bool igc_enable_tx_pkt_filtering_generic(struct igc_hw *hw); +s32 igc_mng_enable_host_if_generic(struct igc_hw *hw); +s32 igc_mng_host_if_write_generic(struct igc_hw *hw, u8 *buffer, + u16 length, u16 offset, u8 *sum); +s32 igc_mng_write_cmd_header_generic(struct igc_hw *hw, + struct igc_host_mng_command_header *hdr); +s32 igc_mng_write_dhcp_info_generic(struct igc_hw *hw, + u8 *buffer, u16 length); +bool igc_enable_mng_pass_thru(struct igc_hw *hw); +u8 igc_calculate_checksum(u8 *buffer, u32 length); +s32 igc_host_interface_command(struct igc_hw *hw, u8 *buffer, u32 length); +s32 igc_load_firmware(struct igc_hw *hw, u8 *buffer, u32 length); + +enum igc_mng_mode { + igc_mng_mode_none = 0, + igc_mng_mode_asf, + igc_mng_mode_pt, + igc_mng_mode_ipmi, + igc_mng_mode_host_if_only +}; + +#define IGC_FACTPS_MNGCG 0x20000000 + +#define IGC_FWSM_MODE_MASK 0xE +#define IGC_FWSM_MODE_SHIFT 1 +#define IGC_FWSM_FW_VALID 0x00008000 +#define IGC_FWSM_HI_EN_ONLY_MODE 0x4 + +#define IGC_MNG_IAMT_MODE 0x3 +#define IGC_MNG_DHCP_COOKIE_LENGTH 0x10 +#define IGC_MNG_DHCP_COOKIE_OFFSET 0x6F0 +#define IGC_MNG_DHCP_COMMAND_TIMEOUT 10 +#define IGC_MNG_DHCP_TX_PAYLOAD_CMD 64 +#define IGC_MNG_DHCP_COOKIE_STATUS_PARSING 0x1 +#define IGC_MNG_DHCP_COOKIE_STATUS_VLAN 0x2 + +#define IGC_VFTA_ENTRY_SHIFT 5 +#define IGC_VFTA_ENTRY_MASK 0x7F +#define IGC_VFTA_ENTRY_BIT_SHIFT_MASK 0x1F + +#define IGC_HI_MAX_BLOCK_BYTE_LENGTH 1792 /* Num of bytes in range */ +#define IGC_HI_MAX_BLOCK_DWORD_LENGTH 448 /* Num of dwords in range */ +#define IGC_HI_COMMAND_TIMEOUT 500 /* Process HI cmd limit */ +#define IGC_HI_FW_BASE_ADDRESS 0x10000 +#define IGC_HI_FW_MAX_LENGTH (64 * 1024) /* Num of bytes */ +#define IGC_HI_FW_BLOCK_DWORD_LENGTH 256 /* Num of DWORDs per page */ +#define IGC_HICR_MEMORY_BASE_EN 0x200 /* MB Enable bit - RO */ +#define IGC_HICR_EN 0x01 /* Enable bit - RO */ +/* Driver sets this bit when done to put command in RAM */ +#define IGC_HICR_C 0x02 +#define IGC_HICR_SV 0x04 /* Status Validity */ +#define IGC_HICR_FW_RESET_ENABLE 0x40 +#define IGC_HICR_FW_RESET 0x80 + +/* Intel(R) Active Management Technology signature */ +#define IGC_IAMT_SIGNATURE 0x544D4149 +#endif diff --git a/drivers/net/igc/base/igc_nvm.c b/drivers/net/igc/base/igc_nvm.c new file mode 100644 index 0000000000..9dc88a25a8 --- /dev/null +++ b/drivers/net/igc/base/igc_nvm.c @@ -0,0 +1,1324 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#include "igc_api.h" + +static void igc_reload_nvm_generic(struct igc_hw *hw); + +/** + * igc_init_nvm_ops_generic - Initialize NVM function pointers + * @hw: pointer to the HW structure + * + * Setups up the function pointers to no-op functions + **/ +void igc_init_nvm_ops_generic(struct igc_hw *hw) +{ + struct igc_nvm_info *nvm = &hw->nvm; + DEBUGFUNC("igc_init_nvm_ops_generic"); + + /* Initialize function pointers */ + nvm->ops.init_params = igc_null_ops_generic; + nvm->ops.acquire = igc_null_ops_generic; + nvm->ops.read = igc_null_read_nvm; + nvm->ops.release = igc_null_nvm_generic; + nvm->ops.reload = igc_reload_nvm_generic; + nvm->ops.update = igc_null_ops_generic; + nvm->ops.valid_led_default = igc_null_led_default; + nvm->ops.validate = igc_null_ops_generic; + nvm->ops.write = igc_null_write_nvm; +} + +/** + * igc_null_nvm_read - No-op function, return 0 + * @hw: pointer to the HW structure + * @a: dummy variable + * @b: dummy variable + * @c: dummy variable + **/ +s32 igc_null_read_nvm(struct igc_hw IGC_UNUSEDARG * hw, + u16 IGC_UNUSEDARG a, u16 IGC_UNUSEDARG b, + u16 IGC_UNUSEDARG * c) +{ + DEBUGFUNC("igc_null_read_nvm"); + UNREFERENCED_4PARAMETER(hw, a, b, c); + return IGC_SUCCESS; +} + +/** + * igc_null_nvm_generic - No-op function, return void + * @hw: pointer to the HW structure + **/ +void igc_null_nvm_generic(struct igc_hw IGC_UNUSEDARG * hw) +{ + DEBUGFUNC("igc_null_nvm_generic"); + UNREFERENCED_1PARAMETER(hw); +} + +/** + * igc_null_led_default - No-op function, return 0 + * @hw: pointer to the HW structure + * @data: dummy variable + **/ +s32 igc_null_led_default(struct igc_hw IGC_UNUSEDARG * hw, + u16 IGC_UNUSEDARG * data) +{ + DEBUGFUNC("igc_null_led_default"); + UNREFERENCED_2PARAMETER(hw, data); + return IGC_SUCCESS; +} + +/** + * igc_null_write_nvm - No-op function, return 0 + * @hw: pointer to the HW structure + * @a: dummy variable + * @b: dummy variable + * @c: dummy variable + **/ +s32 igc_null_write_nvm(struct igc_hw IGC_UNUSEDARG * hw, + u16 IGC_UNUSEDARG a, u16 IGC_UNUSEDARG b, + u16 IGC_UNUSEDARG * c) +{ + DEBUGFUNC("igc_null_write_nvm"); + UNREFERENCED_4PARAMETER(hw, a, b, c); + return IGC_SUCCESS; +} + +/** + * igc_raise_eec_clk - Raise EEPROM clock + * @hw: pointer to the HW structure + * @eecd: pointer to the EEPROM + * + * Enable/Raise the EEPROM clock bit. + **/ +static void igc_raise_eec_clk(struct igc_hw *hw, u32 *eecd) +{ + *eecd = *eecd | IGC_EECD_SK; + IGC_WRITE_REG(hw, IGC_EECD, *eecd); + IGC_WRITE_FLUSH(hw); + usec_delay(hw->nvm.delay_usec); +} + +/** + * igc_lower_eec_clk - Lower EEPROM clock + * @hw: pointer to the HW structure + * @eecd: pointer to the EEPROM + * + * Clear/Lower the EEPROM clock bit. + **/ +static void igc_lower_eec_clk(struct igc_hw *hw, u32 *eecd) +{ + *eecd = *eecd & ~IGC_EECD_SK; + IGC_WRITE_REG(hw, IGC_EECD, *eecd); + IGC_WRITE_FLUSH(hw); + usec_delay(hw->nvm.delay_usec); +} + +/** + * igc_shift_out_eec_bits - Shift data bits our to the EEPROM + * @hw: pointer to the HW structure + * @data: data to send to the EEPROM + * @count: number of bits to shift out + * + * We need to shift 'count' bits out to the EEPROM. So, the value in the + * "data" parameter will be shifted out to the EEPROM one bit at a time. + * In order to do this, "data" must be broken down into bits. + **/ +static void igc_shift_out_eec_bits(struct igc_hw *hw, u16 data, u16 count) +{ + struct igc_nvm_info *nvm = &hw->nvm; + u32 eecd = IGC_READ_REG(hw, IGC_EECD); + u32 mask; + + DEBUGFUNC("igc_shift_out_eec_bits"); + + mask = 0x01 << (count - 1); + if (nvm->type == igc_nvm_eeprom_microwire) + eecd &= ~IGC_EECD_DO; + else if (nvm->type == igc_nvm_eeprom_spi) + eecd |= IGC_EECD_DO; + + do { + eecd &= ~IGC_EECD_DI; + + if (data & mask) + eecd |= IGC_EECD_DI; + + IGC_WRITE_REG(hw, IGC_EECD, eecd); + IGC_WRITE_FLUSH(hw); + + usec_delay(nvm->delay_usec); + + igc_raise_eec_clk(hw, &eecd); + igc_lower_eec_clk(hw, &eecd); + + mask >>= 1; + } while (mask); + + eecd &= ~IGC_EECD_DI; + IGC_WRITE_REG(hw, IGC_EECD, eecd); +} + +/** + * igc_shift_in_eec_bits - Shift data bits in from the EEPROM + * @hw: pointer to the HW structure + * @count: number of bits to shift in + * + * In order to read a register from the EEPROM, we need to shift 'count' bits + * in from the EEPROM. Bits are "shifted in" by raising the clock input to + * the EEPROM (setting the SK bit), and then reading the value of the data out + * "DO" bit. During this "shifting in" process the data in "DI" bit should + * always be clear. + **/ +static u16 igc_shift_in_eec_bits(struct igc_hw *hw, u16 count) +{ + u32 eecd; + u32 i; + u16 data; + + DEBUGFUNC("igc_shift_in_eec_bits"); + + eecd = IGC_READ_REG(hw, IGC_EECD); + + eecd &= ~(IGC_EECD_DO | IGC_EECD_DI); + data = 0; + + for (i = 0; i < count; i++) { + data <<= 1; + igc_raise_eec_clk(hw, &eecd); + + eecd = IGC_READ_REG(hw, IGC_EECD); + + eecd &= ~IGC_EECD_DI; + if (eecd & IGC_EECD_DO) + data |= 1; + + igc_lower_eec_clk(hw, &eecd); + } + + return data; +} + +/** + * igc_poll_eerd_eewr_done - Poll for EEPROM read/write completion + * @hw: pointer to the HW structure + * @ee_reg: EEPROM flag for polling + * + * Polls the EEPROM status bit for either read or write completion based + * upon the value of 'ee_reg'. + **/ +s32 igc_poll_eerd_eewr_done(struct igc_hw *hw, int ee_reg) +{ + u32 attempts = 100000; + u32 i, reg = 0; + + DEBUGFUNC("igc_poll_eerd_eewr_done"); + + for (i = 0; i < attempts; i++) { + if (ee_reg == IGC_NVM_POLL_READ) + reg = IGC_READ_REG(hw, IGC_EERD); + else + reg = IGC_READ_REG(hw, IGC_EEWR); + + if (reg & IGC_NVM_RW_REG_DONE) + return IGC_SUCCESS; + + usec_delay(5); + } + + return -IGC_ERR_NVM; +} + +/** + * igc_acquire_nvm_generic - Generic request for access to EEPROM + * @hw: pointer to the HW structure + * + * Set the EEPROM access request bit and wait for EEPROM access grant bit. + * Return successful if access grant bit set, else clear the request for + * EEPROM access and return -IGC_ERR_NVM (-1). + **/ +s32 igc_acquire_nvm_generic(struct igc_hw *hw) +{ + u32 eecd = IGC_READ_REG(hw, IGC_EECD); + s32 timeout = IGC_NVM_GRANT_ATTEMPTS; + + DEBUGFUNC("igc_acquire_nvm_generic"); + + IGC_WRITE_REG(hw, IGC_EECD, eecd | IGC_EECD_REQ); + eecd = IGC_READ_REG(hw, IGC_EECD); + + while (timeout) { + if (eecd & IGC_EECD_GNT) + break; + usec_delay(5); + eecd = IGC_READ_REG(hw, IGC_EECD); + timeout--; + } + + if (!timeout) { + eecd &= ~IGC_EECD_REQ; + IGC_WRITE_REG(hw, IGC_EECD, eecd); + DEBUGOUT("Could not acquire NVM grant\n"); + return -IGC_ERR_NVM; + } + + return IGC_SUCCESS; +} + +/** + * igc_standby_nvm - Return EEPROM to standby state + * @hw: pointer to the HW structure + * + * Return the EEPROM to a standby state. + **/ +static void igc_standby_nvm(struct igc_hw *hw) +{ + struct igc_nvm_info *nvm = &hw->nvm; + u32 eecd = IGC_READ_REG(hw, IGC_EECD); + + DEBUGFUNC("igc_standby_nvm"); + + if (nvm->type == igc_nvm_eeprom_microwire) { + eecd &= ~(IGC_EECD_CS | IGC_EECD_SK); + IGC_WRITE_REG(hw, IGC_EECD, eecd); + IGC_WRITE_FLUSH(hw); + usec_delay(nvm->delay_usec); + + igc_raise_eec_clk(hw, &eecd); + + /* Select EEPROM */ + eecd |= IGC_EECD_CS; + IGC_WRITE_REG(hw, IGC_EECD, eecd); + IGC_WRITE_FLUSH(hw); + usec_delay(nvm->delay_usec); + + igc_lower_eec_clk(hw, &eecd); + } else if (nvm->type == igc_nvm_eeprom_spi) { + /* Toggle CS to flush commands */ + eecd |= IGC_EECD_CS; + IGC_WRITE_REG(hw, IGC_EECD, eecd); + IGC_WRITE_FLUSH(hw); + usec_delay(nvm->delay_usec); + eecd &= ~IGC_EECD_CS; + IGC_WRITE_REG(hw, IGC_EECD, eecd); + IGC_WRITE_FLUSH(hw); + usec_delay(nvm->delay_usec); + } +} + +/** + * igc_stop_nvm - Terminate EEPROM command + * @hw: pointer to the HW structure + * + * Terminates the current command by inverting the EEPROM's chip select pin. + **/ +void igc_stop_nvm(struct igc_hw *hw) +{ + u32 eecd; + + DEBUGFUNC("igc_stop_nvm"); + + eecd = IGC_READ_REG(hw, IGC_EECD); + if (hw->nvm.type == igc_nvm_eeprom_spi) { + /* Pull CS high */ + eecd |= IGC_EECD_CS; + igc_lower_eec_clk(hw, &eecd); + } else if (hw->nvm.type == igc_nvm_eeprom_microwire) { + /* CS on Microwire is active-high */ + eecd &= ~(IGC_EECD_CS | IGC_EECD_DI); + IGC_WRITE_REG(hw, IGC_EECD, eecd); + igc_raise_eec_clk(hw, &eecd); + igc_lower_eec_clk(hw, &eecd); + } +} + +/** + * igc_release_nvm_generic - Release exclusive access to EEPROM + * @hw: pointer to the HW structure + * + * Stop any current commands to the EEPROM and clear the EEPROM request bit. + **/ +void igc_release_nvm_generic(struct igc_hw *hw) +{ + u32 eecd; + + DEBUGFUNC("igc_release_nvm_generic"); + + igc_stop_nvm(hw); + + eecd = IGC_READ_REG(hw, IGC_EECD); + eecd &= ~IGC_EECD_REQ; + IGC_WRITE_REG(hw, IGC_EECD, eecd); +} + +/** + * igc_ready_nvm_eeprom - Prepares EEPROM for read/write + * @hw: pointer to the HW structure + * + * Setups the EEPROM for reading and writing. + **/ +static s32 igc_ready_nvm_eeprom(struct igc_hw *hw) +{ + struct igc_nvm_info *nvm = &hw->nvm; + u32 eecd = IGC_READ_REG(hw, IGC_EECD); + u8 spi_stat_reg; + + DEBUGFUNC("igc_ready_nvm_eeprom"); + + if (nvm->type == igc_nvm_eeprom_microwire) { + /* Clear SK and DI */ + eecd &= ~(IGC_EECD_DI | IGC_EECD_SK); + IGC_WRITE_REG(hw, IGC_EECD, eecd); + /* Set CS */ + eecd |= IGC_EECD_CS; + IGC_WRITE_REG(hw, IGC_EECD, eecd); + } else if (nvm->type == igc_nvm_eeprom_spi) { + u16 timeout = NVM_MAX_RETRY_SPI; + + /* Clear SK and CS */ + eecd &= ~(IGC_EECD_CS | IGC_EECD_SK); + IGC_WRITE_REG(hw, IGC_EECD, eecd); + IGC_WRITE_FLUSH(hw); + usec_delay(1); + + /* Read "Status Register" repeatedly until the LSB is cleared. + * The EEPROM will signal that the command has been completed + * by clearing bit 0 of the internal status register. If it's + * not cleared within 'timeout', then error out. + */ + while (timeout) { + igc_shift_out_eec_bits(hw, NVM_RDSR_OPCODE_SPI, + hw->nvm.opcode_bits); + spi_stat_reg = (u8)igc_shift_in_eec_bits(hw, 8); + if (!(spi_stat_reg & NVM_STATUS_RDY_SPI)) + break; + + usec_delay(5); + igc_standby_nvm(hw); + timeout--; + } + + if (!timeout) { + DEBUGOUT("SPI NVM Status error\n"); + return -IGC_ERR_NVM; + } + } + + return IGC_SUCCESS; +} + +/** + * igc_read_nvm_spi - Read EEPROM's using SPI + * @hw: pointer to the HW structure + * @offset: offset of word in the EEPROM to read + * @words: number of words to read + * @data: word read from the EEPROM + * + * Reads a 16 bit word from the EEPROM. + **/ +s32 igc_read_nvm_spi(struct igc_hw *hw, u16 offset, u16 words, u16 *data) +{ + struct igc_nvm_info *nvm = &hw->nvm; + u32 i = 0; + s32 ret_val; + u16 word_in; + u8 read_opcode = NVM_READ_OPCODE_SPI; + + DEBUGFUNC("igc_read_nvm_spi"); + + /* A check for invalid values: offset too large, too many words, + * and not enough words. + */ + if (offset >= nvm->word_size || words > (nvm->word_size - offset) || + words == 0) { + DEBUGOUT("nvm parameter(s) out of bounds\n"); + return -IGC_ERR_NVM; + } + + ret_val = nvm->ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = igc_ready_nvm_eeprom(hw); + if (ret_val) + goto release; + + igc_standby_nvm(hw); + + if (nvm->address_bits == 8 && offset >= 128) + read_opcode |= NVM_A8_OPCODE_SPI; + + /* Send the READ command (opcode + addr) */ + igc_shift_out_eec_bits(hw, read_opcode, nvm->opcode_bits); + igc_shift_out_eec_bits(hw, (u16)(offset * 2), nvm->address_bits); + + /* Read the data. SPI NVMs increment the address with each byte + * read and will roll over if reading beyond the end. This allows + * us to read the whole NVM from any offset + */ + for (i = 0; i < words; i++) { + word_in = igc_shift_in_eec_bits(hw, 16); + data[i] = (word_in >> 8) | (word_in << 8); + } + +release: + nvm->ops.release(hw); + + return ret_val; +} + +/** + * igc_read_nvm_microwire - Reads EEPROM's using microwire + * @hw: pointer to the HW structure + * @offset: offset of word in the EEPROM to read + * @words: number of words to read + * @data: word read from the EEPROM + * + * Reads a 16 bit word from the EEPROM. + **/ +s32 igc_read_nvm_microwire(struct igc_hw *hw, u16 offset, u16 words, + u16 *data) +{ + struct igc_nvm_info *nvm = &hw->nvm; + u32 i = 0; + s32 ret_val; + u8 read_opcode = NVM_READ_OPCODE_MICROWIRE; + + DEBUGFUNC("igc_read_nvm_microwire"); + + /* A check for invalid values: offset too large, too many words, + * and not enough words. + */ + if (offset >= nvm->word_size || words > (nvm->word_size - offset) || + words == 0) { + DEBUGOUT("nvm parameter(s) out of bounds\n"); + return -IGC_ERR_NVM; + } + + ret_val = nvm->ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = igc_ready_nvm_eeprom(hw); + if (ret_val) + goto release; + + for (i = 0; i < words; i++) { + /* Send the READ command (opcode + addr) */ + igc_shift_out_eec_bits(hw, read_opcode, nvm->opcode_bits); + igc_shift_out_eec_bits(hw, (u16)(offset + i), + nvm->address_bits); + + /* Read the data. For microwire, each word requires the + * overhead of setup and tear-down. + */ + data[i] = igc_shift_in_eec_bits(hw, 16); + igc_standby_nvm(hw); + } + +release: + nvm->ops.release(hw); + + return ret_val; +} + +/** + * igc_read_nvm_eerd - Reads EEPROM using EERD register + * @hw: pointer to the HW structure + * @offset: offset of word in the EEPROM to read + * @words: number of words to read + * @data: word read from the EEPROM + * + * Reads a 16 bit word from the EEPROM using the EERD register. + **/ +s32 igc_read_nvm_eerd(struct igc_hw *hw, u16 offset, u16 words, u16 *data) +{ + struct igc_nvm_info *nvm = &hw->nvm; + u32 i, eerd = 0; + s32 ret_val = IGC_SUCCESS; + + DEBUGFUNC("igc_read_nvm_eerd"); + + /* A check for invalid values: offset too large, too many words, + * too many words for the offset, and not enough words. + */ + if (offset >= nvm->word_size || words > (nvm->word_size - offset) || + words == 0) { + DEBUGOUT("nvm parameter(s) out of bounds\n"); + return -IGC_ERR_NVM; + } + + for (i = 0; i < words; i++) { + eerd = ((offset + i) << IGC_NVM_RW_ADDR_SHIFT) + + IGC_NVM_RW_REG_START; + + IGC_WRITE_REG(hw, IGC_EERD, eerd); + ret_val = igc_poll_eerd_eewr_done(hw, IGC_NVM_POLL_READ); + if (ret_val) + break; + + data[i] = (IGC_READ_REG(hw, IGC_EERD) >> + IGC_NVM_RW_REG_DATA); + } + + if (ret_val) + DEBUGOUT1("NVM read error: %d\n", ret_val); + + return ret_val; +} + +/** + * igc_write_nvm_spi - Write to EEPROM using SPI + * @hw: pointer to the HW structure + * @offset: offset within the EEPROM to be written to + * @words: number of words to write + * @data: 16 bit word(s) to be written to the EEPROM + * + * Writes data to EEPROM at offset using SPI interface. + * + * If igc_update_nvm_checksum is not called after this function , the + * EEPROM will most likely contain an invalid checksum. + **/ +s32 igc_write_nvm_spi(struct igc_hw *hw, u16 offset, u16 words, u16 *data) +{ + struct igc_nvm_info *nvm = &hw->nvm; + s32 ret_val = -IGC_ERR_NVM; + u16 widx = 0; + + DEBUGFUNC("igc_write_nvm_spi"); + + /* A check for invalid values: offset too large, too many words, + * and not enough words. + */ + if (offset >= nvm->word_size || words > (nvm->word_size - offset) || + words == 0) { + DEBUGOUT("nvm parameter(s) out of bounds\n"); + return -IGC_ERR_NVM; + } + + while (widx < words) { + u8 write_opcode = NVM_WRITE_OPCODE_SPI; + + ret_val = nvm->ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = igc_ready_nvm_eeprom(hw); + if (ret_val) { + nvm->ops.release(hw); + return ret_val; + } + + igc_standby_nvm(hw); + + /* Send the WRITE ENABLE command (8 bit opcode) */ + igc_shift_out_eec_bits(hw, NVM_WREN_OPCODE_SPI, + nvm->opcode_bits); + + igc_standby_nvm(hw); + + /* Some SPI eeproms use the 8th address bit embedded in the + * opcode + */ + if (nvm->address_bits == 8 && offset >= 128) + write_opcode |= NVM_A8_OPCODE_SPI; + + /* Send the Write command (8-bit opcode + addr) */ + igc_shift_out_eec_bits(hw, write_opcode, nvm->opcode_bits); + igc_shift_out_eec_bits(hw, (u16)((offset + widx) * 2), + nvm->address_bits); + + /* Loop to allow for up to whole page write of eeprom */ + while (widx < words) { + u16 word_out = data[widx]; + word_out = (word_out >> 8) | (word_out << 8); + igc_shift_out_eec_bits(hw, word_out, 16); + widx++; + + if ((((offset + widx) * 2) % nvm->page_size) == 0) { + igc_standby_nvm(hw); + break; + } + } + msec_delay(10); + nvm->ops.release(hw); + } + + return ret_val; +} + +/** + * igc_write_nvm_microwire - Writes EEPROM using microwire + * @hw: pointer to the HW structure + * @offset: offset within the EEPROM to be written to + * @words: number of words to write + * @data: 16 bit word(s) to be written to the EEPROM + * + * Writes data to EEPROM at offset using microwire interface. + * + * If igc_update_nvm_checksum is not called after this function , the + * EEPROM will most likely contain an invalid checksum. + **/ +s32 igc_write_nvm_microwire(struct igc_hw *hw, u16 offset, u16 words, + u16 *data) +{ + struct igc_nvm_info *nvm = &hw->nvm; + s32 ret_val; + u32 eecd; + u16 words_written = 0; + u16 widx = 0; + + DEBUGFUNC("igc_write_nvm_microwire"); + + /* A check for invalid values: offset too large, too many words, + * and not enough words. + */ + if (offset >= nvm->word_size || words > (nvm->word_size - offset) || + words == 0) { + DEBUGOUT("nvm parameter(s) out of bounds\n"); + return -IGC_ERR_NVM; + } + + ret_val = nvm->ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = igc_ready_nvm_eeprom(hw); + if (ret_val) + goto release; + + igc_shift_out_eec_bits(hw, NVM_EWEN_OPCODE_MICROWIRE, + (u16)(nvm->opcode_bits + 2)); + + igc_shift_out_eec_bits(hw, 0, (u16)(nvm->address_bits - 2)); + + igc_standby_nvm(hw); + + while (words_written < words) { + igc_shift_out_eec_bits(hw, NVM_WRITE_OPCODE_MICROWIRE, + nvm->opcode_bits); + + igc_shift_out_eec_bits(hw, (u16)(offset + words_written), + nvm->address_bits); + + igc_shift_out_eec_bits(hw, data[words_written], 16); + + igc_standby_nvm(hw); + + for (widx = 0; widx < 200; widx++) { + eecd = IGC_READ_REG(hw, IGC_EECD); + if (eecd & IGC_EECD_DO) + break; + usec_delay(50); + } + + if (widx == 200) { + DEBUGOUT("NVM Write did not complete\n"); + ret_val = -IGC_ERR_NVM; + goto release; + } + + igc_standby_nvm(hw); + + words_written++; + } + + igc_shift_out_eec_bits(hw, NVM_EWDS_OPCODE_MICROWIRE, + (u16)(nvm->opcode_bits + 2)); + + igc_shift_out_eec_bits(hw, 0, (u16)(nvm->address_bits - 2)); + +release: + nvm->ops.release(hw); + + return ret_val; +} + +/** + * igc_read_pba_string_generic - Read device part number + * @hw: pointer to the HW structure + * @pba_num: pointer to device part number + * @pba_num_size: size of part number buffer + * + * Reads the product board assembly (PBA) number from the EEPROM and stores + * the value in pba_num. + **/ +s32 igc_read_pba_string_generic(struct igc_hw *hw, u8 *pba_num, + u32 pba_num_size) +{ + s32 ret_val; + u16 nvm_data; + u16 pba_ptr; + u16 offset; + u16 length; + + DEBUGFUNC("igc_read_pba_string_generic"); + + if (pba_num == NULL) { + DEBUGOUT("PBA string buffer was null\n"); + return -IGC_ERR_INVALID_ARGUMENT; + } + + ret_val = hw->nvm.ops.read(hw, NVM_PBA_OFFSET_0, 1, &nvm_data); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + + ret_val = hw->nvm.ops.read(hw, NVM_PBA_OFFSET_1, 1, &pba_ptr); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + + /* if nvm_data is not ptr guard the PBA must be in legacy format which + * means pba_ptr is actually our second data word for the PBA number + * and we can decode it into an ascii string + */ + if (nvm_data != NVM_PBA_PTR_GUARD) { + DEBUGOUT("NVM PBA number is not stored as string\n"); + + /* make sure callers buffer is big enough to store the PBA */ + if (pba_num_size < IGC_PBANUM_LENGTH) { + DEBUGOUT("PBA string buffer too small\n"); + return IGC_ERR_NO_SPACE; + } + + /* extract hex string from data and pba_ptr */ + pba_num[0] = (nvm_data >> 12) & 0xF; + pba_num[1] = (nvm_data >> 8) & 0xF; + pba_num[2] = (nvm_data >> 4) & 0xF; + pba_num[3] = nvm_data & 0xF; + pba_num[4] = (pba_ptr >> 12) & 0xF; + pba_num[5] = (pba_ptr >> 8) & 0xF; + pba_num[6] = '-'; + pba_num[7] = 0; + pba_num[8] = (pba_ptr >> 4) & 0xF; + pba_num[9] = pba_ptr & 0xF; + + /* put a null character on the end of our string */ + pba_num[10] = '\0'; + + /* switch all the data but the '-' to hex char */ + for (offset = 0; offset < 10; offset++) { + if (pba_num[offset] < 0xA) + pba_num[offset] += '0'; + else if (pba_num[offset] < 0x10) + pba_num[offset] += 'A' - 0xA; + } + + return IGC_SUCCESS; + } + + ret_val = hw->nvm.ops.read(hw, pba_ptr, 1, &length); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + + if (length == 0xFFFF || length == 0) { + DEBUGOUT("NVM PBA number section invalid length\n"); + return -IGC_ERR_NVM_PBA_SECTION; + } + /* check if pba_num buffer is big enough */ + if (pba_num_size < (((u32)length * 2) - 1)) { + DEBUGOUT("PBA string buffer too small\n"); + return -IGC_ERR_NO_SPACE; + } + + /* trim pba length from start of string */ + pba_ptr++; + length--; + + for (offset = 0; offset < length; offset++) { + ret_val = hw->nvm.ops.read(hw, pba_ptr + offset, 1, &nvm_data); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + pba_num[offset * 2] = (u8)(nvm_data >> 8); + pba_num[(offset * 2) + 1] = (u8)(nvm_data & 0xFF); + } + pba_num[offset * 2] = '\0'; + + return IGC_SUCCESS; +} + +/** + * igc_read_pba_length_generic - Read device part number length + * @hw: pointer to the HW structure + * @pba_num_size: size of part number buffer + * + * Reads the product board assembly (PBA) number length from the EEPROM and + * stores the value in pba_num_size. + **/ +s32 igc_read_pba_length_generic(struct igc_hw *hw, u32 *pba_num_size) +{ + s32 ret_val; + u16 nvm_data; + u16 pba_ptr; + u16 length; + + DEBUGFUNC("igc_read_pba_length_generic"); + + if (pba_num_size == NULL) { + DEBUGOUT("PBA buffer size was null\n"); + return -IGC_ERR_INVALID_ARGUMENT; + } + + ret_val = hw->nvm.ops.read(hw, NVM_PBA_OFFSET_0, 1, &nvm_data); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + + ret_val = hw->nvm.ops.read(hw, NVM_PBA_OFFSET_1, 1, &pba_ptr); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + + /* if data is not ptr guard the PBA must be in legacy format */ + if (nvm_data != NVM_PBA_PTR_GUARD) { + *pba_num_size = IGC_PBANUM_LENGTH; + return IGC_SUCCESS; + } + + ret_val = hw->nvm.ops.read(hw, pba_ptr, 1, &length); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + + if (length == 0xFFFF || length == 0) { + DEBUGOUT("NVM PBA number section invalid length\n"); + return -IGC_ERR_NVM_PBA_SECTION; + } + + /* Convert from length in u16 values to u8 chars, add 1 for NULL, + * and subtract 2 because length field is included in length. + */ + *pba_num_size = ((u32)length * 2) - 1; + + return IGC_SUCCESS; +} + +/** + * igc_read_pba_num_generic - Read device part number + * @hw: pointer to the HW structure + * @pba_num: pointer to device part number + * + * Reads the product board assembly (PBA) number from the EEPROM and stores + * the value in pba_num. + **/ +s32 igc_read_pba_num_generic(struct igc_hw *hw, u32 *pba_num) +{ + s32 ret_val; + u16 nvm_data; + + DEBUGFUNC("igc_read_pba_num_generic"); + + ret_val = hw->nvm.ops.read(hw, NVM_PBA_OFFSET_0, 1, &nvm_data); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } else if (nvm_data == NVM_PBA_PTR_GUARD) { + DEBUGOUT("NVM Not Supported\n"); + return -IGC_NOT_IMPLEMENTED; + } + *pba_num = (u32)(nvm_data << 16); + + ret_val = hw->nvm.ops.read(hw, NVM_PBA_OFFSET_1, 1, &nvm_data); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + *pba_num |= nvm_data; + + return IGC_SUCCESS; +} + + +/** + * igc_read_pba_raw + * @hw: pointer to the HW structure + * @eeprom_buf: optional pointer to EEPROM image + * @eeprom_buf_size: size of EEPROM image in words + * @max_pba_block_size: PBA block size limit + * @pba: pointer to output PBA structure + * + * Reads PBA from EEPROM image when eeprom_buf is not NULL. + * Reads PBA from physical EEPROM device when eeprom_buf is NULL. + * + **/ +s32 igc_read_pba_raw(struct igc_hw *hw, u16 *eeprom_buf, + u32 eeprom_buf_size, u16 max_pba_block_size, + struct igc_pba *pba) +{ + s32 ret_val; + u16 pba_block_size; + + if (pba == NULL) + return -IGC_ERR_PARAM; + + if (eeprom_buf == NULL) { + ret_val = igc_read_nvm(hw, NVM_PBA_OFFSET_0, 2, + &pba->word[0]); + if (ret_val) + return ret_val; + } else { + if (eeprom_buf_size > NVM_PBA_OFFSET_1) { + pba->word[0] = eeprom_buf[NVM_PBA_OFFSET_0]; + pba->word[1] = eeprom_buf[NVM_PBA_OFFSET_1]; + } else { + return -IGC_ERR_PARAM; + } + } + + if (pba->word[0] == NVM_PBA_PTR_GUARD) { + if (pba->pba_block == NULL) + return -IGC_ERR_PARAM; + + ret_val = igc_get_pba_block_size(hw, eeprom_buf, + eeprom_buf_size, + &pba_block_size); + if (ret_val) + return ret_val; + + if (pba_block_size > max_pba_block_size) + return -IGC_ERR_PARAM; + + if (eeprom_buf == NULL) { + ret_val = igc_read_nvm(hw, pba->word[1], + pba_block_size, + pba->pba_block); + if (ret_val) + return ret_val; + } else { + if (eeprom_buf_size > (u32)(pba->word[1] + + pba_block_size)) { + memcpy(pba->pba_block, + &eeprom_buf[pba->word[1]], + pba_block_size * sizeof(u16)); + } else { + return -IGC_ERR_PARAM; + } + } + } + + return IGC_SUCCESS; +} + +/** + * igc_write_pba_raw + * @hw: pointer to the HW structure + * @eeprom_buf: optional pointer to EEPROM image + * @eeprom_buf_size: size of EEPROM image in words + * @pba: pointer to PBA structure + * + * Writes PBA to EEPROM image when eeprom_buf is not NULL. + * Writes PBA to physical EEPROM device when eeprom_buf is NULL. + * + **/ +s32 igc_write_pba_raw(struct igc_hw *hw, u16 *eeprom_buf, + u32 eeprom_buf_size, struct igc_pba *pba) +{ + s32 ret_val; + + if (pba == NULL) + return -IGC_ERR_PARAM; + + if (eeprom_buf == NULL) { + ret_val = igc_write_nvm(hw, NVM_PBA_OFFSET_0, 2, + &pba->word[0]); + if (ret_val) + return ret_val; + } else { + if (eeprom_buf_size > NVM_PBA_OFFSET_1) { + eeprom_buf[NVM_PBA_OFFSET_0] = pba->word[0]; + eeprom_buf[NVM_PBA_OFFSET_1] = pba->word[1]; + } else { + return -IGC_ERR_PARAM; + } + } + + if (pba->word[0] == NVM_PBA_PTR_GUARD) { + if (pba->pba_block == NULL) + return -IGC_ERR_PARAM; + + if (eeprom_buf == NULL) { + ret_val = igc_write_nvm(hw, pba->word[1], + pba->pba_block[0], + pba->pba_block); + if (ret_val) + return ret_val; + } else { + if (eeprom_buf_size > (u32)(pba->word[1] + + pba->pba_block[0])) { + memcpy(&eeprom_buf[pba->word[1]], + pba->pba_block, + pba->pba_block[0] * sizeof(u16)); + } else { + return -IGC_ERR_PARAM; + } + } + } + + return IGC_SUCCESS; +} + +/** + * igc_get_pba_block_size + * @hw: pointer to the HW structure + * @eeprom_buf: optional pointer to EEPROM image + * @eeprom_buf_size: size of EEPROM image in words + * @pba_data_size: pointer to output variable + * + * Returns the size of the PBA block in words. Function operates on EEPROM + * image if the eeprom_buf pointer is not NULL otherwise it accesses physical + * EEPROM device. + * + **/ +s32 igc_get_pba_block_size(struct igc_hw *hw, u16 *eeprom_buf, + u32 eeprom_buf_size, u16 *pba_block_size) +{ + s32 ret_val; + u16 pba_word[2]; + u16 length; + + DEBUGFUNC("igc_get_pba_block_size"); + + if (eeprom_buf == NULL) { + ret_val = igc_read_nvm(hw, NVM_PBA_OFFSET_0, 2, &pba_word[0]); + if (ret_val) + return ret_val; + } else { + if (eeprom_buf_size > NVM_PBA_OFFSET_1) { + pba_word[0] = eeprom_buf[NVM_PBA_OFFSET_0]; + pba_word[1] = eeprom_buf[NVM_PBA_OFFSET_1]; + } else { + return -IGC_ERR_PARAM; + } + } + + if (pba_word[0] == NVM_PBA_PTR_GUARD) { + if (eeprom_buf == NULL) { + ret_val = igc_read_nvm(hw, pba_word[1] + 0, 1, + &length); + if (ret_val) + return ret_val; + } else { + if (eeprom_buf_size > pba_word[1]) + length = eeprom_buf[pba_word[1] + 0]; + else + return -IGC_ERR_PARAM; + } + + if (length == 0xFFFF || length == 0) + return -IGC_ERR_NVM_PBA_SECTION; + } else { + /* PBA number in legacy format, there is no PBA Block. */ + length = 0; + } + + if (pba_block_size != NULL) + *pba_block_size = length; + + return IGC_SUCCESS; +} + +/** + * igc_read_mac_addr_generic - Read device MAC address + * @hw: pointer to the HW structure + * + * Reads the device MAC address from the EEPROM and stores the value. + * Since devices with two ports use the same EEPROM, we increment the + * last bit in the MAC address for the second port. + **/ +s32 igc_read_mac_addr_generic(struct igc_hw *hw) +{ + u32 rar_high; + u32 rar_low; + u16 i; + + rar_high = IGC_READ_REG(hw, IGC_RAH(0)); + rar_low = IGC_READ_REG(hw, IGC_RAL(0)); + + for (i = 0; i < IGC_RAL_MAC_ADDR_LEN; i++) + hw->mac.perm_addr[i] = (u8)(rar_low >> (i * 8)); + + for (i = 0; i < IGC_RAH_MAC_ADDR_LEN; i++) + hw->mac.perm_addr[i + 4] = (u8)(rar_high >> (i * 8)); + + for (i = 0; i < ETH_ADDR_LEN; i++) + hw->mac.addr[i] = hw->mac.perm_addr[i]; + + return IGC_SUCCESS; +} + +/** + * igc_validate_nvm_checksum_generic - Validate EEPROM checksum + * @hw: pointer to the HW structure + * + * Calculates the EEPROM checksum by reading/adding each word of the EEPROM + * and then verifies that the sum of the EEPROM is equal to 0xBABA. + **/ +s32 igc_validate_nvm_checksum_generic(struct igc_hw *hw) +{ + s32 ret_val; + u16 checksum = 0; + u16 i, nvm_data; + + DEBUGFUNC("igc_validate_nvm_checksum_generic"); + + for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { + ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + return ret_val; + } + checksum += nvm_data; + } + + if (checksum != (u16)NVM_SUM) { + DEBUGOUT("NVM Checksum Invalid\n"); + return -IGC_ERR_NVM; + } + + return IGC_SUCCESS; +} + +/** + * igc_update_nvm_checksum_generic - Update EEPROM checksum + * @hw: pointer to the HW structure + * + * Updates the EEPROM checksum by reading/adding each word of the EEPROM + * up to the checksum. Then calculates the EEPROM checksum and writes the + * value to the EEPROM. + **/ +s32 igc_update_nvm_checksum_generic(struct igc_hw *hw) +{ + s32 ret_val; + u16 checksum = 0; + u16 i, nvm_data; + + DEBUGFUNC("igc_update_nvm_checksum"); + + for (i = 0; i < NVM_CHECKSUM_REG; i++) { + ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data); + if (ret_val) { + DEBUGOUT("NVM Read Error while updating checksum.\n"); + return ret_val; + } + checksum += nvm_data; + } + checksum = (u16)NVM_SUM - checksum; + ret_val = hw->nvm.ops.write(hw, NVM_CHECKSUM_REG, 1, &checksum); + if (ret_val) + DEBUGOUT("NVM Write Error while updating checksum.\n"); + + return ret_val; +} + +/** + * igc_reload_nvm_generic - Reloads EEPROM + * @hw: pointer to the HW structure + * + * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the + * extended control register. + **/ +static void igc_reload_nvm_generic(struct igc_hw *hw) +{ + u32 ctrl_ext; + + DEBUGFUNC("igc_reload_nvm_generic"); + + usec_delay(10); + ctrl_ext = IGC_READ_REG(hw, IGC_CTRL_EXT); + ctrl_ext |= IGC_CTRL_EXT_EE_RST; + IGC_WRITE_REG(hw, IGC_CTRL_EXT, ctrl_ext); + IGC_WRITE_FLUSH(hw); +} + +/** + * igc_get_fw_version - Get firmware version information + * @hw: pointer to the HW structure + * @fw_vers: pointer to output version structure + * + * unsupported/not present features return 0 in version structure + **/ +void igc_get_fw_version(struct igc_hw *hw, struct igc_fw_version *fw_vers) +{ + u16 eeprom_verh, eeprom_verl, etrack_test, fw_version; + u8 q, hval, rem, result; + u16 comb_verh, comb_verl, comb_offset; + + memset(fw_vers, 0, sizeof(struct igc_fw_version)); + + /* + * basic eeprom version numbers, bits used vary by part and by tool + * used to create the nvm images. Check which data format we have. + */ + switch (hw->mac.type) { + case igc_i225: + hw->nvm.ops.read(hw, NVM_ETRACK_HIWORD, 1, &etrack_test); + /* find combo image version */ + hw->nvm.ops.read(hw, NVM_COMB_VER_PTR, 1, &comb_offset); + if (comb_offset && comb_offset != NVM_VER_INVALID) { + hw->nvm.ops.read(hw, NVM_COMB_VER_OFF + comb_offset + 1, + 1, &comb_verh); + hw->nvm.ops.read(hw, NVM_COMB_VER_OFF + comb_offset, + 1, &comb_verl); + + /* get Option Rom version if it exists and is valid */ + if (comb_verh && comb_verl && + comb_verh != NVM_VER_INVALID && + comb_verl != NVM_VER_INVALID) { + fw_vers->or_valid = true; + fw_vers->or_major = comb_verl >> + NVM_COMB_VER_SHFT; + fw_vers->or_build = (comb_verl << + NVM_COMB_VER_SHFT) | + (comb_verh >> + NVM_COMB_VER_SHFT); + fw_vers->or_patch = comb_verh & + NVM_COMB_VER_MASK; + } + } + break; + default: + hw->nvm.ops.read(hw, NVM_ETRACK_HIWORD, 1, &etrack_test); + return; + } + hw->nvm.ops.read(hw, NVM_VERSION, 1, &fw_version); + fw_vers->eep_major = (fw_version & NVM_MAJOR_MASK) + >> NVM_MAJOR_SHIFT; + + /* check for old style version format in newer images*/ + if ((fw_version & NVM_NEW_DEC_MASK) == 0x0) { + eeprom_verl = (fw_version & NVM_COMB_VER_MASK); + } else { + eeprom_verl = (fw_version & NVM_MINOR_MASK) + >> NVM_MINOR_SHIFT; + } + /* Convert minor value to hex before assigning to output struct + * Val to be converted will not be higher than 99, per tool output + */ + q = eeprom_verl / NVM_HEX_CONV; + hval = q * NVM_HEX_TENS; + rem = eeprom_verl % NVM_HEX_CONV; + result = hval + rem; + fw_vers->eep_minor = result; + + if ((etrack_test & NVM_MAJOR_MASK) == NVM_ETRACK_VALID) { + hw->nvm.ops.read(hw, NVM_ETRACK_WORD, 1, &eeprom_verl); + hw->nvm.ops.read(hw, (NVM_ETRACK_WORD + 1), 1, &eeprom_verh); + fw_vers->etrack_id = (eeprom_verh << NVM_ETRACK_SHIFT) + | eeprom_verl; + } else if ((etrack_test & NVM_ETRACK_VALID) == 0) { + hw->nvm.ops.read(hw, NVM_ETRACK_WORD, 1, &eeprom_verh); + hw->nvm.ops.read(hw, (NVM_ETRACK_WORD + 1), 1, &eeprom_verl); + fw_vers->etrack_id = (eeprom_verh << NVM_ETRACK_SHIFT) | + eeprom_verl; + } +} diff --git a/drivers/net/igc/base/igc_nvm.h b/drivers/net/igc/base/igc_nvm.h new file mode 100644 index 0000000000..5e66547977 --- /dev/null +++ b/drivers/net/igc/base/igc_nvm.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_NVM_H_ +#define _IGC_NVM_H_ + +struct igc_pba { + u16 word[2]; + u16 *pba_block; +}; + +struct igc_fw_version { + u32 etrack_id; + u16 eep_major; + u16 eep_minor; + u16 eep_build; + + u8 invm_major; + u8 invm_minor; + u8 invm_img_type; + + bool or_valid; + u16 or_major; + u16 or_build; + u16 or_patch; +}; + + +void igc_init_nvm_ops_generic(struct igc_hw *hw); +s32 igc_null_read_nvm(struct igc_hw *hw, u16 a, u16 b, u16 *c); +void igc_null_nvm_generic(struct igc_hw *hw); +s32 igc_null_led_default(struct igc_hw *hw, u16 *data); +s32 igc_null_write_nvm(struct igc_hw *hw, u16 a, u16 b, u16 *c); +s32 igc_acquire_nvm_generic(struct igc_hw *hw); + +s32 igc_poll_eerd_eewr_done(struct igc_hw *hw, int ee_reg); +s32 igc_read_mac_addr_generic(struct igc_hw *hw); +s32 igc_read_pba_num_generic(struct igc_hw *hw, u32 *pba_num); +s32 igc_read_pba_string_generic(struct igc_hw *hw, u8 *pba_num, + u32 pba_num_size); +s32 igc_read_pba_length_generic(struct igc_hw *hw, u32 *pba_num_size); +s32 igc_read_pba_raw(struct igc_hw *hw, u16 *eeprom_buf, + u32 eeprom_buf_size, u16 max_pba_block_size, + struct igc_pba *pba); +s32 igc_write_pba_raw(struct igc_hw *hw, u16 *eeprom_buf, + u32 eeprom_buf_size, struct igc_pba *pba); +s32 igc_get_pba_block_size(struct igc_hw *hw, u16 *eeprom_buf, + u32 eeprom_buf_size, u16 *pba_block_size); +s32 igc_read_nvm_spi(struct igc_hw *hw, u16 offset, u16 words, u16 *data); +s32 igc_read_nvm_microwire(struct igc_hw *hw, u16 offset, + u16 words, u16 *data); +s32 igc_read_nvm_eerd(struct igc_hw *hw, u16 offset, u16 words, + u16 *data); +s32 igc_valid_led_default_generic(struct igc_hw *hw, u16 *data); +s32 igc_validate_nvm_checksum_generic(struct igc_hw *hw); +s32 igc_write_nvm_microwire(struct igc_hw *hw, u16 offset, + u16 words, u16 *data); +s32 igc_write_nvm_spi(struct igc_hw *hw, u16 offset, u16 words, + u16 *data); +s32 igc_update_nvm_checksum_generic(struct igc_hw *hw); +void igc_stop_nvm(struct igc_hw *hw); +void igc_release_nvm_generic(struct igc_hw *hw); +void igc_get_fw_version(struct igc_hw *hw, + struct igc_fw_version *fw_vers); + +#define IGC_STM_OPCODE 0xDB00 + +#endif diff --git a/drivers/net/igc/base/igc_osdep.c b/drivers/net/igc/base/igc_osdep.c new file mode 100644 index 0000000000..aadcaa6f3f --- /dev/null +++ b/drivers/net/igc/base/igc_osdep.c @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2019-2020 + */ + +#include "igc_api.h" + +/* + * NOTE: the following routines using the igc + * naming style are provided to the shared + * code but are OS specific + */ + +void +igc_write_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value) +{ + (void)hw; + (void)reg; + (void)value; +} + +void +igc_read_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value) +{ + (void)hw; + (void)reg; + *value = 0; +} + +void +igc_pci_set_mwi(struct igc_hw *hw) +{ + (void)hw; +} + +void +igc_pci_clear_mwi(struct igc_hw *hw) +{ + (void)hw; +} + +/* + * Read the PCI Express capabilities + */ +int32_t +igc_read_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value) +{ + (void)hw; + (void)reg; + (void)value; + return IGC_NOT_IMPLEMENTED; +} + +/* + * Write the PCI Express capabilities + */ +int32_t +igc_write_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value) +{ + (void)hw; + (void)reg; + (void)value; + + return IGC_NOT_IMPLEMENTED; +} diff --git a/drivers/net/igc/base/igc_osdep.h b/drivers/net/igc/base/igc_osdep.h new file mode 100644 index 0000000000..798a4b8f96 --- /dev/null +++ b/drivers/net/igc/base/igc_osdep.h @@ -0,0 +1,163 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2019-2020 + */ + + +#ifndef _IGC_OSDEP_H_ +#define _IGC_OSDEP_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "../igc_logs.h" + +#define DELAY(x) rte_delay_us(x) +#define usec_delay(x) DELAY(x) +#define usec_delay_irq(x) DELAY(x) +#define msec_delay(x) DELAY(1000 * (x)) +#define msec_delay_irq(x) DELAY(1000 * (x)) + +#define DEBUGFUNC(F) DEBUGOUT(F "\n") +#define DEBUGOUT(S, args...) PMD_DRV_LOG_RAW(DEBUG, S, ##args) +#define DEBUGOUT1(S, args...) DEBUGOUT(S, ##args) +#define DEBUGOUT2(S, args...) DEBUGOUT(S, ##args) +#define DEBUGOUT3(S, args...) DEBUGOUT(S, ##args) +#define DEBUGOUT6(S, args...) DEBUGOUT(S, ##args) +#define DEBUGOUT7(S, args...) DEBUGOUT(S, ##args) + +#define UNREFERENCED_PARAMETER(_p) (void)(_p) +#define UNREFERENCED_1PARAMETER(_p) (void)(_p) +#define UNREFERENCED_2PARAMETER(_p, _q) \ + do { \ + (void)(_p); \ + (void)(_q); \ + } while (0) +#define UNREFERENCED_3PARAMETER(_p, _q, _r) \ + do { \ + (void)(_p); \ + (void)(_q); \ + (void)(_r); \ + } while (0) +#define UNREFERENCED_4PARAMETER(_p, _q, _r, _s) \ + do { \ + (void)(_p); \ + (void)(_q); \ + (void)(_r); \ + (void)(_s); \ + } while (0) + +#define CMD_MEM_WRT_INVALIDATE 0x0010 /* BIT_4 */ + +/* Mutex used in the shared code */ +#define IGC_MUTEX uintptr_t +#define IGC_MUTEX_INIT(mutex) (*(mutex) = 0) +#define IGC_MUTEX_LOCK(mutex) (*(mutex) = 1) +#define IGC_MUTEX_UNLOCK(mutex) (*(mutex) = 0) + +typedef uint64_t u64; +typedef uint32_t u32; +typedef uint16_t u16; +typedef uint8_t u8; +typedef int64_t s64; +typedef int32_t s32; +typedef int16_t s16; +typedef int8_t s8; + +#define __le16 u16 +#define __le32 u32 +#define __le64 u64 + +#define IGC_WRITE_FLUSH(a) IGC_READ_REG(a, IGC_STATUS) + +#define IGC_PCI_REG(reg) rte_read32(reg) + +#define IGC_PCI_REG16(reg) rte_read16(reg) + +#define IGC_PCI_REG_WRITE(reg, value) \ + rte_write32((rte_cpu_to_le_32(value)), reg) + +#define IGC_PCI_REG_WRITE_RELAXED(reg, value) \ + rte_write32_relaxed((rte_cpu_to_le_32(value)), reg) + +#define IGC_PCI_REG_WRITE16(reg, value) \ + rte_write16((rte_cpu_to_le_16(value)), reg) + +#define IGC_PCI_REG_ADDR(hw, reg) \ + ((volatile uint32_t *)((char *)(hw)->hw_addr + (reg))) + +#define IGC_PCI_REG_ARRAY_ADDR(hw, reg, index) \ + IGC_PCI_REG_ADDR((hw), (reg) + ((index) << 2)) + +#define IGC_PCI_REG_FLASH_ADDR(hw, reg) \ + ((volatile uint32_t *)((char *)(hw)->flash_address + (reg))) + +static inline uint32_t igc_read_addr(volatile void *addr) +{ + return rte_le_to_cpu_32(IGC_PCI_REG(addr)); +} + +static inline uint16_t igc_read_addr16(volatile void *addr) +{ + return rte_le_to_cpu_16(IGC_PCI_REG16(addr)); +} + +/* Register READ/WRITE macros */ + +#define IGC_READ_REG(hw, reg) \ + igc_read_addr(IGC_PCI_REG_ADDR((hw), (reg))) + +#define IGC_READ_REG_LE_VALUE(hw, reg) \ + rte_read32(IGC_PCI_REG_ADDR((hw), (reg))) + +#define IGC_WRITE_REG(hw, reg, value) \ + IGC_PCI_REG_WRITE(IGC_PCI_REG_ADDR((hw), (reg)), (value)) + +#define IGC_WRITE_REG_LE_VALUE(hw, reg, value) \ + rte_write32(value, IGC_PCI_REG_ADDR((hw), (reg))) + +#define IGC_READ_REG_ARRAY(hw, reg, index) \ + IGC_PCI_REG(IGC_PCI_REG_ARRAY_ADDR((hw), (reg), (index))) + +#define IGC_WRITE_REG_ARRAY(hw, reg, index, value) \ + IGC_PCI_REG_WRITE(IGC_PCI_REG_ARRAY_ADDR((hw), (reg), (index)), \ + (value)) + +#define IGC_READ_REG_ARRAY_DWORD IGC_READ_REG_ARRAY +#define IGC_WRITE_REG_ARRAY_DWORD IGC_WRITE_REG_ARRAY + +/* + * To be able to do IO write, we need to map IO BAR + * (bar 2/4 depending on device). + * Right now mapping multiple BARs is not supported by DPDK. + * Fortunatelly we need it only for legacy hw support. + */ + +#define IGC_WRITE_REG_IO(hw, reg, value) \ + IGC_WRITE_REG(hw, reg, value) + +/* + * Tested on I217/I218 chipset. + */ + +#define IGC_READ_FLASH_REG(hw, reg) \ + igc_read_addr(IGC_PCI_REG_FLASH_ADDR((hw), (reg))) + +#define IGC_READ_FLASH_REG16(hw, reg) \ + igc_read_addr16(IGC_PCI_REG_FLASH_ADDR((hw), (reg))) + +#define IGC_WRITE_FLASH_REG(hw, reg, value) \ + IGC_PCI_REG_WRITE(IGC_PCI_REG_FLASH_ADDR((hw), (reg)), (value)) + +#define IGC_WRITE_FLASH_REG16(hw, reg, value) \ + IGC_PCI_REG_WRITE16(IGC_PCI_REG_FLASH_ADDR((hw), (reg)), (value)) + +#endif /* _IGC_OSDEP_H_ */ diff --git a/drivers/net/igc/base/igc_phy.c b/drivers/net/igc/base/igc_phy.c new file mode 100644 index 0000000000..394278c2cb --- /dev/null +++ b/drivers/net/igc/base/igc_phy.c @@ -0,0 +1,4422 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#include "igc_api.h" + +static s32 igc_wait_autoneg(struct igc_hw *hw); +static s32 igc_access_phy_wakeup_reg_bm(struct igc_hw *hw, u32 offset, + u16 *data, bool read, bool page_set); +static u32 igc_get_phy_addr_for_hv_page(u32 page); +static s32 igc_access_phy_debug_regs_hv(struct igc_hw *hw, u32 offset, + u16 *data, bool read); + +/* Cable length tables */ +static const u16 igc_m88_cable_length_table[] = { + 0, 50, 80, 110, 140, 140, IGC_CABLE_LENGTH_UNDEFINED }; +#define M88IGC_CABLE_LENGTH_TABLE_SIZE \ + (sizeof(igc_m88_cable_length_table) / \ + sizeof(igc_m88_cable_length_table[0])) + +static const u16 igc_igp_2_cable_length_table[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, 0, 0, 0, 3, + 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, 6, 10, 14, 18, 22, + 26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61, 21, 26, 31, 35, 40, + 44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82, 40, 45, 51, 56, 61, + 66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104, 60, 66, 72, 77, 82, + 87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121, 83, 89, 95, + 100, 105, 109, 113, 116, 119, 122, 124, 104, 109, 114, 118, 121, + 124}; +#define IGP02IGC_CABLE_LENGTH_TABLE_SIZE \ + (sizeof(igc_igp_2_cable_length_table) / \ + sizeof(igc_igp_2_cable_length_table[0])) + +/** + * igc_init_phy_ops_generic - Initialize PHY function pointers + * @hw: pointer to the HW structure + * + * Setups up the function pointers to no-op functions + **/ +void igc_init_phy_ops_generic(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + DEBUGFUNC("igc_init_phy_ops_generic"); + + /* Initialize function pointers */ + phy->ops.init_params = igc_null_ops_generic; + phy->ops.acquire = igc_null_ops_generic; + phy->ops.check_polarity = igc_null_ops_generic; + phy->ops.check_reset_block = igc_null_ops_generic; + phy->ops.commit = igc_null_ops_generic; + phy->ops.force_speed_duplex = igc_null_ops_generic; + phy->ops.get_cfg_done = igc_null_ops_generic; + phy->ops.get_cable_length = igc_null_ops_generic; + phy->ops.get_info = igc_null_ops_generic; + phy->ops.set_page = igc_null_set_page; + phy->ops.read_reg = igc_null_read_reg; + phy->ops.read_reg_locked = igc_null_read_reg; + phy->ops.read_reg_page = igc_null_read_reg; + phy->ops.release = igc_null_phy_generic; + phy->ops.reset = igc_null_ops_generic; + phy->ops.set_d0_lplu_state = igc_null_lplu_state; + phy->ops.set_d3_lplu_state = igc_null_lplu_state; + phy->ops.write_reg = igc_null_write_reg; + phy->ops.write_reg_locked = igc_null_write_reg; + phy->ops.write_reg_page = igc_null_write_reg; + phy->ops.power_up = igc_null_phy_generic; + phy->ops.power_down = igc_null_phy_generic; + phy->ops.read_i2c_byte = igc_read_i2c_byte_null; + phy->ops.write_i2c_byte = igc_write_i2c_byte_null; + phy->ops.cfg_on_link_up = igc_null_ops_generic; +} + +/** + * igc_null_set_page - No-op function, return 0 + * @hw: pointer to the HW structure + * @data: dummy variable + **/ +s32 igc_null_set_page(struct igc_hw IGC_UNUSEDARG * hw, + u16 IGC_UNUSEDARG data) +{ + DEBUGFUNC("igc_null_set_page"); + UNREFERENCED_2PARAMETER(hw, data); + return IGC_SUCCESS; +} + +/** + * igc_null_read_reg - No-op function, return 0 + * @hw: pointer to the HW structure + * @offset: dummy variable + * @data: dummy variable + **/ +s32 igc_null_read_reg(struct igc_hw IGC_UNUSEDARG * hw, + u32 IGC_UNUSEDARG offset, u16 IGC_UNUSEDARG * data) +{ + DEBUGFUNC("igc_null_read_reg"); + UNREFERENCED_3PARAMETER(hw, offset, data); + return IGC_SUCCESS; +} + +/** + * igc_null_phy_generic - No-op function, return void + * @hw: pointer to the HW structure + **/ +void igc_null_phy_generic(struct igc_hw IGC_UNUSEDARG * hw) +{ + DEBUGFUNC("igc_null_phy_generic"); + UNREFERENCED_1PARAMETER(hw); +} + +/** + * igc_null_lplu_state - No-op function, return 0 + * @hw: pointer to the HW structure + * @active: dummy variable + **/ +s32 igc_null_lplu_state(struct igc_hw IGC_UNUSEDARG * hw, + bool IGC_UNUSEDARG active) +{ + DEBUGFUNC("igc_null_lplu_state"); + UNREFERENCED_2PARAMETER(hw, active); + return IGC_SUCCESS; +} + +/** + * igc_null_write_reg - No-op function, return 0 + * @hw: pointer to the HW structure + * @offset: dummy variable + * @data: dummy variable + **/ +s32 igc_null_write_reg(struct igc_hw IGC_UNUSEDARG * hw, + u32 IGC_UNUSEDARG offset, u16 IGC_UNUSEDARG data) +{ + DEBUGFUNC("igc_null_write_reg"); + UNREFERENCED_3PARAMETER(hw, offset, data); + return IGC_SUCCESS; +} + +/** + * igc_read_i2c_byte_null - No-op function, return 0 + * @hw: pointer to hardware structure + * @byte_offset: byte offset to write + * @dev_addr: device address + * @data: data value read + * + **/ +s32 igc_read_i2c_byte_null(struct igc_hw IGC_UNUSEDARG * hw, + u8 IGC_UNUSEDARG byte_offset, + u8 IGC_UNUSEDARG dev_addr, + u8 IGC_UNUSEDARG * data) +{ + DEBUGFUNC("igc_read_i2c_byte_null"); + UNREFERENCED_4PARAMETER(hw, byte_offset, dev_addr, data); + return IGC_SUCCESS; +} + +/** + * igc_write_i2c_byte_null - No-op function, return 0 + * @hw: pointer to hardware structure + * @byte_offset: byte offset to write + * @dev_addr: device address + * @data: data value to write + * + **/ +s32 igc_write_i2c_byte_null(struct igc_hw IGC_UNUSEDARG * hw, + u8 IGC_UNUSEDARG byte_offset, + u8 IGC_UNUSEDARG dev_addr, + u8 IGC_UNUSEDARG data) +{ + DEBUGFUNC("igc_write_i2c_byte_null"); + UNREFERENCED_4PARAMETER(hw, byte_offset, dev_addr, data); + return IGC_SUCCESS; +} + +/** + * igc_check_reset_block_generic - Check if PHY reset is blocked + * @hw: pointer to the HW structure + * + * Read the PHY management control register and check whether a PHY reset + * is blocked. If a reset is not blocked return IGC_SUCCESS, otherwise + * return IGC_BLK_PHY_RESET (12). + **/ +s32 igc_check_reset_block_generic(struct igc_hw *hw) +{ + u32 manc; + + DEBUGFUNC("igc_check_reset_block"); + + manc = IGC_READ_REG(hw, IGC_MANC); + + return (manc & IGC_MANC_BLK_PHY_RST_ON_IDE) ? + IGC_BLK_PHY_RESET : IGC_SUCCESS; +} + +/** + * igc_get_phy_id - Retrieve the PHY ID and revision + * @hw: pointer to the HW structure + * + * Reads the PHY registers and stores the PHY ID and possibly the PHY + * revision in the hardware structure. + **/ +s32 igc_get_phy_id(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val = IGC_SUCCESS; + u16 phy_id; + u16 retry_count = 0; + + DEBUGFUNC("igc_get_phy_id"); + + if (!phy->ops.read_reg) + return IGC_SUCCESS; + + while (retry_count < 2) { + ret_val = phy->ops.read_reg(hw, PHY_ID1, &phy_id); + if (ret_val) + return ret_val; + + phy->id = (u32)(phy_id << 16); + usec_delay(20); + ret_val = phy->ops.read_reg(hw, PHY_ID2, &phy_id); + if (ret_val) + return ret_val; + + phy->id |= (u32)(phy_id & PHY_REVISION_MASK); + phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); + + if (phy->id != 0 && phy->id != PHY_REVISION_MASK) + return IGC_SUCCESS; + + retry_count++; + } + + return IGC_SUCCESS; +} + +/** + * igc_phy_reset_dsp_generic - Reset PHY DSP + * @hw: pointer to the HW structure + * + * Reset the digital signal processor. + **/ +s32 igc_phy_reset_dsp_generic(struct igc_hw *hw) +{ + s32 ret_val; + + DEBUGFUNC("igc_phy_reset_dsp_generic"); + + if (!hw->phy.ops.write_reg) + return IGC_SUCCESS; + + ret_val = hw->phy.ops.write_reg(hw, M88IGC_PHY_GEN_CONTROL, 0xC1); + if (ret_val) + return ret_val; + + return hw->phy.ops.write_reg(hw, M88IGC_PHY_GEN_CONTROL, 0); +} + +/** + * igc_read_phy_reg_mdic - Read MDI control register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Reads the MDI control register in the PHY at offset and stores the + * information read to data. + **/ +s32 igc_read_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 *data) +{ + struct igc_phy_info *phy = &hw->phy; + u32 i, mdic = 0; + + DEBUGFUNC("igc_read_phy_reg_mdic"); + + if (offset > MAX_PHY_REG_ADDRESS) { + DEBUGOUT1("PHY Address %d is out of range\n", offset); + return -IGC_ERR_PARAM; + } + + /* Set up Op-code, Phy Address, and register offset in the MDI + * Control register. The MAC will take care of interfacing with the + * PHY to retrieve the desired data. + */ + mdic = ((offset << IGC_MDIC_REG_SHIFT) | + (phy->addr << IGC_MDIC_PHY_SHIFT) | + (IGC_MDIC_OP_READ)); + + IGC_WRITE_REG(hw, IGC_MDIC, mdic); + + /* Poll the ready bit to see if the MDI read completed + * Increasing the time out as testing showed failures with + * the lower time out + */ + for (i = 0; i < (IGC_GEN_POLL_TIMEOUT * 3); i++) { + usec_delay_irq(50); + mdic = IGC_READ_REG(hw, IGC_MDIC); + if (mdic & IGC_MDIC_READY) + break; + } + if (!(mdic & IGC_MDIC_READY)) { + DEBUGOUT("MDI Read did not complete\n"); + return -IGC_ERR_PHY; + } + if (mdic & IGC_MDIC_ERROR) { + DEBUGOUT("MDI Error\n"); + return -IGC_ERR_PHY; + } + if (((mdic & IGC_MDIC_REG_MASK) >> IGC_MDIC_REG_SHIFT) != offset) { + DEBUGOUT2("MDI Read offset error - requested %d, returned %d\n", + offset, + (mdic & IGC_MDIC_REG_MASK) >> IGC_MDIC_REG_SHIFT); + return -IGC_ERR_PHY; + } + *data = (u16)mdic; + + /* Allow some time after each MDIC transaction to avoid + * reading duplicate data in the next MDIC transaction. + */ + if (hw->mac.type == igc_pch2lan) + usec_delay_irq(100); + + return IGC_SUCCESS; +} + +/** + * igc_write_phy_reg_mdic - Write MDI control register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write to register at offset + * + * Writes data to MDI control register in the PHY at offset. + **/ +s32 igc_write_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 data) +{ + struct igc_phy_info *phy = &hw->phy; + u32 i, mdic = 0; + + DEBUGFUNC("igc_write_phy_reg_mdic"); + + if (offset > MAX_PHY_REG_ADDRESS) { + DEBUGOUT1("PHY Address %d is out of range\n", offset); + return -IGC_ERR_PARAM; + } + + /* Set up Op-code, Phy Address, and register offset in the MDI + * Control register. The MAC will take care of interfacing with the + * PHY to retrieve the desired data. + */ + mdic = (((u32)data) | + (offset << IGC_MDIC_REG_SHIFT) | + (phy->addr << IGC_MDIC_PHY_SHIFT) | + (IGC_MDIC_OP_WRITE)); + + IGC_WRITE_REG(hw, IGC_MDIC, mdic); + + /* Poll the ready bit to see if the MDI read completed + * Increasing the time out as testing showed failures with + * the lower time out + */ + for (i = 0; i < (IGC_GEN_POLL_TIMEOUT * 3); i++) { + usec_delay_irq(50); + mdic = IGC_READ_REG(hw, IGC_MDIC); + if (mdic & IGC_MDIC_READY) + break; + } + if (!(mdic & IGC_MDIC_READY)) { + DEBUGOUT("MDI Write did not complete\n"); + return -IGC_ERR_PHY; + } + if (mdic & IGC_MDIC_ERROR) { + DEBUGOUT("MDI Error\n"); + return -IGC_ERR_PHY; + } + if (((mdic & IGC_MDIC_REG_MASK) >> IGC_MDIC_REG_SHIFT) != offset) { + DEBUGOUT2("MDI Write offset error - requested %d, returned %d\n", + offset, + (mdic & IGC_MDIC_REG_MASK) >> IGC_MDIC_REG_SHIFT); + return -IGC_ERR_PHY; + } + + /* Allow some time after each MDIC transaction to avoid + * reading duplicate data in the next MDIC transaction. + */ + if (hw->mac.type == igc_pch2lan) + usec_delay_irq(100); + + return IGC_SUCCESS; +} + +/** + * igc_read_phy_reg_i2c - Read PHY register using i2c + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Reads the PHY register at offset using the i2c interface and stores the + * retrieved information in data. + **/ +s32 igc_read_phy_reg_i2c(struct igc_hw *hw, u32 offset, u16 *data) +{ + struct igc_phy_info *phy = &hw->phy; + u32 i, i2ccmd = 0; + + DEBUGFUNC("igc_read_phy_reg_i2c"); + + /* Set up Op-code, Phy Address, and register address in the I2CCMD + * register. The MAC will take care of interfacing with the + * PHY to retrieve the desired data. + */ + i2ccmd = ((offset << IGC_I2CCMD_REG_ADDR_SHIFT) | + (phy->addr << IGC_I2CCMD_PHY_ADDR_SHIFT) | + (IGC_I2CCMD_OPCODE_READ)); + + IGC_WRITE_REG(hw, IGC_I2CCMD, i2ccmd); + + /* Poll the ready bit to see if the I2C read completed */ + for (i = 0; i < IGC_I2CCMD_PHY_TIMEOUT; i++) { + usec_delay(50); + i2ccmd = IGC_READ_REG(hw, IGC_I2CCMD); + if (i2ccmd & IGC_I2CCMD_READY) + break; + } + if (!(i2ccmd & IGC_I2CCMD_READY)) { + DEBUGOUT("I2CCMD Read did not complete\n"); + return -IGC_ERR_PHY; + } + if (i2ccmd & IGC_I2CCMD_ERROR) { + DEBUGOUT("I2CCMD Error bit set\n"); + return -IGC_ERR_PHY; + } + + /* Need to byte-swap the 16-bit value. */ + *data = ((i2ccmd >> 8) & 0x00FF) | ((i2ccmd << 8) & 0xFF00); + + return IGC_SUCCESS; +} + +/** + * igc_write_phy_reg_i2c - Write PHY register using i2c + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Writes the data to PHY register at the offset using the i2c interface. + **/ +s32 igc_write_phy_reg_i2c(struct igc_hw *hw, u32 offset, u16 data) +{ + struct igc_phy_info *phy = &hw->phy; + u32 i, i2ccmd = 0; + u16 phy_data_swapped; + + DEBUGFUNC("igc_write_phy_reg_i2c"); + + /* Prevent overwriting SFP I2C EEPROM which is at A0 address. */ + if (hw->phy.addr == 0 || hw->phy.addr > 7) { + DEBUGOUT1("PHY I2C Address %d is out of range.\n", + hw->phy.addr); + return -IGC_ERR_CONFIG; + } + + /* Swap the data bytes for the I2C interface */ + phy_data_swapped = ((data >> 8) & 0x00FF) | ((data << 8) & 0xFF00); + + /* Set up Op-code, Phy Address, and register address in the I2CCMD + * register. The MAC will take care of interfacing with the + * PHY to retrieve the desired data. + */ + i2ccmd = ((offset << IGC_I2CCMD_REG_ADDR_SHIFT) | + (phy->addr << IGC_I2CCMD_PHY_ADDR_SHIFT) | + IGC_I2CCMD_OPCODE_WRITE | + phy_data_swapped); + + IGC_WRITE_REG(hw, IGC_I2CCMD, i2ccmd); + + /* Poll the ready bit to see if the I2C read completed */ + for (i = 0; i < IGC_I2CCMD_PHY_TIMEOUT; i++) { + usec_delay(50); + i2ccmd = IGC_READ_REG(hw, IGC_I2CCMD); + if (i2ccmd & IGC_I2CCMD_READY) + break; + } + if (!(i2ccmd & IGC_I2CCMD_READY)) { + DEBUGOUT("I2CCMD Write did not complete\n"); + return -IGC_ERR_PHY; + } + if (i2ccmd & IGC_I2CCMD_ERROR) { + DEBUGOUT("I2CCMD Error bit set\n"); + return -IGC_ERR_PHY; + } + + return IGC_SUCCESS; +} + +/** + * igc_read_sfp_data_byte - Reads SFP module data. + * @hw: pointer to the HW structure + * @offset: byte location offset to be read + * @data: read data buffer pointer + * + * Reads one byte from SFP module data stored + * in SFP resided EEPROM memory or SFP diagnostic area. + * Function should be called with + * IGC_I2CCMD_SFP_DATA_ADDR() for SFP module database access + * IGC_I2CCMD_SFP_DIAG_ADDR() for SFP diagnostics parameters + * access + **/ +s32 igc_read_sfp_data_byte(struct igc_hw *hw, u16 offset, u8 *data) +{ + u32 i = 0; + u32 i2ccmd = 0; + u32 data_local = 0; + + DEBUGFUNC("igc_read_sfp_data_byte"); + + if (offset > IGC_I2CCMD_SFP_DIAG_ADDR(255)) { + DEBUGOUT("I2CCMD command address exceeds upper limit\n"); + return -IGC_ERR_PHY; + } + + /* Set up Op-code, EEPROM Address,in the I2CCMD + * register. The MAC will take care of interfacing with the + * EEPROM to retrieve the desired data. + */ + i2ccmd = ((offset << IGC_I2CCMD_REG_ADDR_SHIFT) | + IGC_I2CCMD_OPCODE_READ); + + IGC_WRITE_REG(hw, IGC_I2CCMD, i2ccmd); + + /* Poll the ready bit to see if the I2C read completed */ + for (i = 0; i < IGC_I2CCMD_PHY_TIMEOUT; i++) { + usec_delay(50); + data_local = IGC_READ_REG(hw, IGC_I2CCMD); + if (data_local & IGC_I2CCMD_READY) + break; + } + if (!(data_local & IGC_I2CCMD_READY)) { + DEBUGOUT("I2CCMD Read did not complete\n"); + return -IGC_ERR_PHY; + } + if (data_local & IGC_I2CCMD_ERROR) { + DEBUGOUT("I2CCMD Error bit set\n"); + return -IGC_ERR_PHY; + } + *data = (u8)data_local & 0xFF; + + return IGC_SUCCESS; +} + +/** + * igc_write_sfp_data_byte - Writes SFP module data. + * @hw: pointer to the HW structure + * @offset: byte location offset to write to + * @data: data to write + * + * Writes one byte to SFP module data stored + * in SFP resided EEPROM memory or SFP diagnostic area. + * Function should be called with + * IGC_I2CCMD_SFP_DATA_ADDR() for SFP module database access + * IGC_I2CCMD_SFP_DIAG_ADDR() for SFP diagnostics parameters + * access + **/ +s32 igc_write_sfp_data_byte(struct igc_hw *hw, u16 offset, u8 data) +{ + u32 i = 0; + u32 i2ccmd = 0; + u32 data_local = 0; + + DEBUGFUNC("igc_write_sfp_data_byte"); + + if (offset > IGC_I2CCMD_SFP_DIAG_ADDR(255)) { + DEBUGOUT("I2CCMD command address exceeds upper limit\n"); + return -IGC_ERR_PHY; + } + /* The programming interface is 16 bits wide + * so we need to read the whole word first + * then update appropriate byte lane and write + * the updated word back. + */ + /* Set up Op-code, EEPROM Address,in the I2CCMD + * register. The MAC will take care of interfacing + * with an EEPROM to write the data given. + */ + i2ccmd = ((offset << IGC_I2CCMD_REG_ADDR_SHIFT) | + IGC_I2CCMD_OPCODE_READ); + /* Set a command to read single word */ + IGC_WRITE_REG(hw, IGC_I2CCMD, i2ccmd); + for (i = 0; i < IGC_I2CCMD_PHY_TIMEOUT; i++) { + usec_delay(50); + /* Poll the ready bit to see if lastly + * launched I2C operation completed + */ + i2ccmd = IGC_READ_REG(hw, IGC_I2CCMD); + if (i2ccmd & IGC_I2CCMD_READY) { + /* Check if this is READ or WRITE phase */ + if ((i2ccmd & IGC_I2CCMD_OPCODE_READ) == + IGC_I2CCMD_OPCODE_READ) { + /* Write the selected byte + * lane and update whole word + */ + data_local = i2ccmd & 0xFF00; + data_local |= (u32)data; + i2ccmd = ((offset << + IGC_I2CCMD_REG_ADDR_SHIFT) | + IGC_I2CCMD_OPCODE_WRITE | data_local); + IGC_WRITE_REG(hw, IGC_I2CCMD, i2ccmd); + } else { + break; + } + } + } + if (!(i2ccmd & IGC_I2CCMD_READY)) { + DEBUGOUT("I2CCMD Write did not complete\n"); + return -IGC_ERR_PHY; + } + if (i2ccmd & IGC_I2CCMD_ERROR) { + DEBUGOUT("I2CCMD Error bit set\n"); + return -IGC_ERR_PHY; + } + return IGC_SUCCESS; +} + +/** + * igc_read_phy_reg_m88 - Read m88 PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore, if necessary, then reads the PHY register at offset + * and storing the retrieved information in data. Release any acquired + * semaphores before exiting. + **/ +s32 igc_read_phy_reg_m88(struct igc_hw *hw, u32 offset, u16 *data) +{ + s32 ret_val; + + DEBUGFUNC("igc_read_phy_reg_m88"); + + if (!hw->phy.ops.acquire) + return IGC_SUCCESS; + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = igc_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, + data); + + hw->phy.ops.release(hw); + + return ret_val; +} + +/** + * igc_write_phy_reg_m88 - Write m88 PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore, if necessary, then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 igc_write_phy_reg_m88(struct igc_hw *hw, u32 offset, u16 data) +{ + s32 ret_val; + + DEBUGFUNC("igc_write_phy_reg_m88"); + + if (!hw->phy.ops.acquire) + return IGC_SUCCESS; + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = igc_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, + data); + + hw->phy.ops.release(hw); + + return ret_val; +} + +/** + * igc_set_page_igp - Set page as on IGP-like PHY(s) + * @hw: pointer to the HW structure + * @page: page to set (shifted left when necessary) + * + * Sets PHY page required for PHY register access. Assumes semaphore is + * already acquired. Note, this function sets phy.addr to 1 so the caller + * must set it appropriately (if necessary) after this function returns. + **/ +s32 igc_set_page_igp(struct igc_hw *hw, u16 page) +{ + DEBUGFUNC("igc_set_page_igp"); + + DEBUGOUT1("Setting page 0x%x\n", page); + + hw->phy.addr = 1; + + return igc_write_phy_reg_mdic(hw, IGP01IGC_PHY_PAGE_SELECT, page); +} + +/** + * __igc_read_phy_reg_igp - Read igp PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * @locked: semaphore has already been acquired or not + * + * Acquires semaphore, if necessary, then reads the PHY register at offset + * and stores the retrieved information in data. Release any acquired + * semaphores before exiting. + **/ +static s32 __igc_read_phy_reg_igp(struct igc_hw *hw, u32 offset, u16 *data, + bool locked) +{ + s32 ret_val = IGC_SUCCESS; + + DEBUGFUNC("__igc_read_phy_reg_igp"); + + if (!locked) { + if (!hw->phy.ops.acquire) + return IGC_SUCCESS; + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + } + + if (offset > MAX_PHY_MULTI_PAGE_REG) + ret_val = igc_write_phy_reg_mdic(hw, + IGP01IGC_PHY_PAGE_SELECT, + (u16)offset); + if (!ret_val) + ret_val = igc_read_phy_reg_mdic(hw, + MAX_PHY_REG_ADDRESS & offset, + data); + if (!locked) + hw->phy.ops.release(hw); + + return ret_val; +} + +/** + * igc_read_phy_reg_igp - Read igp PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore then reads the PHY register at offset and stores the + * retrieved information in data. + * Release the acquired semaphore before exiting. + **/ +s32 igc_read_phy_reg_igp(struct igc_hw *hw, u32 offset, u16 *data) +{ + return __igc_read_phy_reg_igp(hw, offset, data, false); +} + +/** + * igc_read_phy_reg_igp_locked - Read igp PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Reads the PHY register at offset and stores the retrieved information + * in data. Assumes semaphore already acquired. + **/ +s32 igc_read_phy_reg_igp_locked(struct igc_hw *hw, u32 offset, u16 *data) +{ + return __igc_read_phy_reg_igp(hw, offset, data, true); +} + +/** + * igc_write_phy_reg_igp - Write igp PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * @locked: semaphore has already been acquired or not + * + * Acquires semaphore, if necessary, then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +static s32 __igc_write_phy_reg_igp(struct igc_hw *hw, u32 offset, u16 data, + bool locked) +{ + s32 ret_val = IGC_SUCCESS; + + DEBUGFUNC("igc_write_phy_reg_igp"); + + if (!locked) { + if (!hw->phy.ops.acquire) + return IGC_SUCCESS; + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + } + + if (offset > MAX_PHY_MULTI_PAGE_REG) + ret_val = igc_write_phy_reg_mdic(hw, + IGP01IGC_PHY_PAGE_SELECT, + (u16)offset); + if (!ret_val) + ret_val = igc_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & + offset, + data); + if (!locked) + hw->phy.ops.release(hw); + + return ret_val; +} + +/** + * igc_write_phy_reg_igp - Write igp PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 igc_write_phy_reg_igp(struct igc_hw *hw, u32 offset, u16 data) +{ + return __igc_write_phy_reg_igp(hw, offset, data, false); +} + +/** + * igc_write_phy_reg_igp_locked - Write igp PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Writes the data to PHY register at the offset. + * Assumes semaphore already acquired. + **/ +s32 igc_write_phy_reg_igp_locked(struct igc_hw *hw, u32 offset, u16 data) +{ + return __igc_write_phy_reg_igp(hw, offset, data, true); +} + +/** + * __igc_read_kmrn_reg - Read kumeran register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * @locked: semaphore has already been acquired or not + * + * Acquires semaphore, if necessary. Then reads the PHY register at offset + * using the kumeran interface. The information retrieved is stored in data. + * Release any acquired semaphores before exiting. + **/ +static s32 __igc_read_kmrn_reg(struct igc_hw *hw, u32 offset, u16 *data, + bool locked) +{ + u32 kmrnctrlsta; + + DEBUGFUNC("__igc_read_kmrn_reg"); + + if (!locked) { + s32 ret_val = IGC_SUCCESS; + + if (!hw->phy.ops.acquire) + return IGC_SUCCESS; + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + } + + kmrnctrlsta = ((offset << IGC_KMRNCTRLSTA_OFFSET_SHIFT) & + IGC_KMRNCTRLSTA_OFFSET) | IGC_KMRNCTRLSTA_REN; + IGC_WRITE_REG(hw, IGC_KMRNCTRLSTA, kmrnctrlsta); + IGC_WRITE_FLUSH(hw); + + usec_delay(2); + + kmrnctrlsta = IGC_READ_REG(hw, IGC_KMRNCTRLSTA); + *data = (u16)kmrnctrlsta; + + if (!locked) + hw->phy.ops.release(hw); + + return IGC_SUCCESS; +} + +/** + * igc_read_kmrn_reg_generic - Read kumeran register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore then reads the PHY register at offset using the + * kumeran interface. The information retrieved is stored in data. + * Release the acquired semaphore before exiting. + **/ +s32 igc_read_kmrn_reg_generic(struct igc_hw *hw, u32 offset, u16 *data) +{ + return __igc_read_kmrn_reg(hw, offset, data, false); +} + +/** + * igc_read_kmrn_reg_locked - Read kumeran register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Reads the PHY register at offset using the kumeran interface. The + * information retrieved is stored in data. + * Assumes semaphore already acquired. + **/ +s32 igc_read_kmrn_reg_locked(struct igc_hw *hw, u32 offset, u16 *data) +{ + return __igc_read_kmrn_reg(hw, offset, data, true); +} + +/** + * __igc_write_kmrn_reg - Write kumeran register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * @locked: semaphore has already been acquired or not + * + * Acquires semaphore, if necessary. Then write the data to PHY register + * at the offset using the kumeran interface. Release any acquired semaphores + * before exiting. + **/ +static s32 __igc_write_kmrn_reg(struct igc_hw *hw, u32 offset, u16 data, + bool locked) +{ + u32 kmrnctrlsta; + + DEBUGFUNC("igc_write_kmrn_reg_generic"); + + if (!locked) { + s32 ret_val = IGC_SUCCESS; + + if (!hw->phy.ops.acquire) + return IGC_SUCCESS; + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + } + + kmrnctrlsta = ((offset << IGC_KMRNCTRLSTA_OFFSET_SHIFT) & + IGC_KMRNCTRLSTA_OFFSET) | data; + IGC_WRITE_REG(hw, IGC_KMRNCTRLSTA, kmrnctrlsta); + IGC_WRITE_FLUSH(hw); + + usec_delay(2); + + if (!locked) + hw->phy.ops.release(hw); + + return IGC_SUCCESS; +} + +/** + * igc_write_kmrn_reg_generic - Write kumeran register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore then writes the data to the PHY register at the offset + * using the kumeran interface. Release the acquired semaphore before exiting. + **/ +s32 igc_write_kmrn_reg_generic(struct igc_hw *hw, u32 offset, u16 data) +{ + return __igc_write_kmrn_reg(hw, offset, data, false); +} + +/** + * igc_write_kmrn_reg_locked - Write kumeran register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Write the data to PHY register at the offset using the kumeran interface. + * Assumes semaphore already acquired. + **/ +s32 igc_write_kmrn_reg_locked(struct igc_hw *hw, u32 offset, u16 data) +{ + return __igc_write_kmrn_reg(hw, offset, data, true); +} + +/** + * igc_set_master_slave_mode - Setup PHY for Master/slave mode + * @hw: pointer to the HW structure + * + * Sets up Master/slave mode + **/ +static s32 igc_set_master_slave_mode(struct igc_hw *hw) +{ + s32 ret_val; + u16 phy_data; + + /* Resolve Master/Slave mode */ + ret_val = hw->phy.ops.read_reg(hw, PHY_1000T_CTRL, &phy_data); + if (ret_val) + return ret_val; + + /* load defaults for future use */ + hw->phy.original_ms_type = (phy_data & CR_1000T_MS_ENABLE) ? + ((phy_data & CR_1000T_MS_VALUE) ? + igc_ms_force_master : + igc_ms_force_slave) : igc_ms_auto; + + switch (hw->phy.ms_type) { + case igc_ms_force_master: + phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE); + break; + case igc_ms_force_slave: + phy_data |= CR_1000T_MS_ENABLE; + phy_data &= ~(CR_1000T_MS_VALUE); + break; + case igc_ms_auto: + phy_data &= ~CR_1000T_MS_ENABLE; + /* fall-through */ + default: + break; + } + + return hw->phy.ops.write_reg(hw, PHY_1000T_CTRL, phy_data); +} + +/** + * igc_copper_link_setup_82577 - Setup 82577 PHY for copper link + * @hw: pointer to the HW structure + * + * Sets up Carrier-sense on Transmit and downshift values. + **/ +s32 igc_copper_link_setup_82577(struct igc_hw *hw) +{ + s32 ret_val; + u16 phy_data; + + DEBUGFUNC("igc_copper_link_setup_82577"); + + if (hw->phy.type == igc_phy_82580) { + ret_val = hw->phy.ops.reset(hw); + if (ret_val) { + DEBUGOUT("Error resetting the PHY.\n"); + return ret_val; + } + } + + /* Enable CRS on Tx. This must be set for half-duplex operation. */ + ret_val = hw->phy.ops.read_reg(hw, I82577_CFG_REG, &phy_data); + if (ret_val) + return ret_val; + + phy_data |= I82577_CFG_ASSERT_CRS_ON_TX; + + /* Enable downshift */ + phy_data |= I82577_CFG_ENABLE_DOWNSHIFT; + + ret_val = hw->phy.ops.write_reg(hw, I82577_CFG_REG, phy_data); + if (ret_val) + return ret_val; + + /* Set MDI/MDIX mode */ + ret_val = hw->phy.ops.read_reg(hw, I82577_PHY_CTRL_2, &phy_data); + if (ret_val) + return ret_val; + phy_data &= ~I82577_PHY_CTRL2_MDIX_CFG_MASK; + /* Options: + * 0 - Auto (default) + * 1 - MDI mode + * 2 - MDI-X mode + */ + switch (hw->phy.mdix) { + case 1: + break; + case 2: + phy_data |= I82577_PHY_CTRL2_MANUAL_MDIX; + break; + case 0: + default: + phy_data |= I82577_PHY_CTRL2_AUTO_MDI_MDIX; + break; + } + ret_val = hw->phy.ops.write_reg(hw, I82577_PHY_CTRL_2, phy_data); + if (ret_val) + return ret_val; + + return igc_set_master_slave_mode(hw); +} + +/** + * igc_copper_link_setup_m88 - Setup m88 PHY's for copper link + * @hw: pointer to the HW structure + * + * Sets up MDI/MDI-X and polarity for m88 PHY's. If necessary, transmit clock + * and downshift values are set also. + **/ +s32 igc_copper_link_setup_m88(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data; + + DEBUGFUNC("igc_copper_link_setup_m88"); + + + /* Enable CRS on Tx. This must be set for half-duplex operation. */ + ret_val = phy->ops.read_reg(hw, M88IGC_PHY_SPEC_CTRL, &phy_data); + if (ret_val) + return ret_val; + + /* For BM PHY this bit is downshift enable */ + if (phy->type != igc_phy_bm) + phy_data |= M88IGC_PSCR_ASSERT_CRS_ON_TX; + + /* Options: + * MDI/MDI-X = 0 (default) + * 0 - Auto for all speeds + * 1 - MDI mode + * 2 - MDI-X mode + * 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes) + */ + phy_data &= ~M88IGC_PSCR_AUTO_X_MODE; + + switch (phy->mdix) { + case 1: + phy_data |= M88IGC_PSCR_MDI_MANUAL_MODE; + break; + case 2: + phy_data |= M88IGC_PSCR_MDIX_MANUAL_MODE; + break; + case 3: + phy_data |= M88IGC_PSCR_AUTO_X_1000T; + break; + case 0: + default: + phy_data |= M88IGC_PSCR_AUTO_X_MODE; + break; + } + + /* Options: + * disable_polarity_correction = 0 (default) + * Automatic Correction for Reversed Cable Polarity + * 0 - Disabled + * 1 - Enabled + */ + phy_data &= ~M88IGC_PSCR_POLARITY_REVERSAL; + if (phy->disable_polarity_correction) + phy_data |= M88IGC_PSCR_POLARITY_REVERSAL; + + /* Enable downshift on BM (disabled by default) */ + if (phy->type == igc_phy_bm) { + /* For 82574/82583, first disable then enable downshift */ + if (phy->id == BMIGC_E_PHY_ID_R2) { + phy_data &= ~BMIGC_PSCR_ENABLE_DOWNSHIFT; + ret_val = phy->ops.write_reg(hw, M88IGC_PHY_SPEC_CTRL, + phy_data); + if (ret_val) + return ret_val; + /* Commit the changes. */ + ret_val = phy->ops.commit(hw); + if (ret_val) { + DEBUGOUT("Error committing the PHY changes\n"); + return ret_val; + } + } + + phy_data |= BMIGC_PSCR_ENABLE_DOWNSHIFT; + } + + ret_val = phy->ops.write_reg(hw, M88IGC_PHY_SPEC_CTRL, phy_data); + if (ret_val) + return ret_val; + + if (phy->type == igc_phy_m88 && phy->revision < IGC_REVISION_4 && + phy->id != BMIGC_E_PHY_ID_R2) { + /* Force TX_CLK in the Extended PHY Specific Control Register + * to 25MHz clock. + */ + ret_val = phy->ops.read_reg(hw, M88IGC_EXT_PHY_SPEC_CTRL, + &phy_data); + if (ret_val) + return ret_val; + + phy_data |= M88IGC_EPSCR_TX_CLK_25; + + if (phy->revision == IGC_REVISION_2 && + phy->id == M88E1111_I_PHY_ID) { + /* 82573L PHY - set the downshift counter to 5x. */ + phy_data &= ~M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK; + phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X; + } else { + /* Configure Master and Slave downshift values */ + phy_data &= ~(M88IGC_EPSCR_MASTER_DOWNSHIFT_MASK | + M88IGC_EPSCR_SLAVE_DOWNSHIFT_MASK); + phy_data |= (M88IGC_EPSCR_MASTER_DOWNSHIFT_1X | + M88IGC_EPSCR_SLAVE_DOWNSHIFT_1X); + } + ret_val = phy->ops.write_reg(hw, M88IGC_EXT_PHY_SPEC_CTRL, + phy_data); + if (ret_val) + return ret_val; + } + + if (phy->type == igc_phy_bm && phy->id == BMIGC_E_PHY_ID_R2) { + /* Set PHY page 0, register 29 to 0x0003 */ + ret_val = phy->ops.write_reg(hw, 29, 0x0003); + if (ret_val) + return ret_val; + + /* Set PHY page 0, register 30 to 0x0000 */ + ret_val = phy->ops.write_reg(hw, 30, 0x0000); + if (ret_val) + return ret_val; + } + + /* Commit the changes. */ + ret_val = phy->ops.commit(hw); + if (ret_val) { + DEBUGOUT("Error committing the PHY changes\n"); + return ret_val; + } + + if (phy->type == igc_phy_82578) { + ret_val = phy->ops.read_reg(hw, M88IGC_EXT_PHY_SPEC_CTRL, + &phy_data); + if (ret_val) + return ret_val; + + /* 82578 PHY - set the downshift count to 1x. */ + phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE; + phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK; + ret_val = phy->ops.write_reg(hw, M88IGC_EXT_PHY_SPEC_CTRL, + phy_data); + if (ret_val) + return ret_val; + } + + return IGC_SUCCESS; +} + +/** + * igc_copper_link_setup_m88_gen2 - Setup m88 PHY's for copper link + * @hw: pointer to the HW structure + * + * Sets up MDI/MDI-X and polarity for i347-AT4, m88e1322 and m88e1112 PHY's. + * Also enables and sets the downshift parameters. + **/ +s32 igc_copper_link_setup_m88_gen2(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data; + + DEBUGFUNC("igc_copper_link_setup_m88_gen2"); + + + /* Enable CRS on Tx. This must be set for half-duplex operation. */ + ret_val = phy->ops.read_reg(hw, M88IGC_PHY_SPEC_CTRL, &phy_data); + if (ret_val) + return ret_val; + + /* Options: + * MDI/MDI-X = 0 (default) + * 0 - Auto for all speeds + * 1 - MDI mode + * 2 - MDI-X mode + * 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes) + */ + phy_data &= ~M88IGC_PSCR_AUTO_X_MODE; + + switch (phy->mdix) { + case 1: + phy_data |= M88IGC_PSCR_MDI_MANUAL_MODE; + break; + case 2: + phy_data |= M88IGC_PSCR_MDIX_MANUAL_MODE; + break; + case 3: + /* M88E1112 does not support this mode) */ + if (phy->id != M88E1112_E_PHY_ID) { + phy_data |= M88IGC_PSCR_AUTO_X_1000T; + break; + } + /* Fall through */ + case 0: + default: + phy_data |= M88IGC_PSCR_AUTO_X_MODE; + break; + } + + /* Options: + * disable_polarity_correction = 0 (default) + * Automatic Correction for Reversed Cable Polarity + * 0 - Disabled + * 1 - Enabled + */ + phy_data &= ~M88IGC_PSCR_POLARITY_REVERSAL; + if (phy->disable_polarity_correction) + phy_data |= M88IGC_PSCR_POLARITY_REVERSAL; + + /* Enable downshift and setting it to X6 */ + if (phy->id == M88E1543_E_PHY_ID) { + phy_data &= ~I347AT4_PSCR_DOWNSHIFT_ENABLE; + ret_val = + phy->ops.write_reg(hw, M88IGC_PHY_SPEC_CTRL, phy_data); + if (ret_val) + return ret_val; + + ret_val = phy->ops.commit(hw); + if (ret_val) { + DEBUGOUT("Error committing the PHY changes\n"); + return ret_val; + } + } + + phy_data &= ~I347AT4_PSCR_DOWNSHIFT_MASK; + phy_data |= I347AT4_PSCR_DOWNSHIFT_6X; + phy_data |= I347AT4_PSCR_DOWNSHIFT_ENABLE; + + ret_val = phy->ops.write_reg(hw, M88IGC_PHY_SPEC_CTRL, phy_data); + if (ret_val) + return ret_val; + + /* Commit the changes. */ + ret_val = phy->ops.commit(hw); + if (ret_val) { + DEBUGOUT("Error committing the PHY changes\n"); + return ret_val; + } + + ret_val = igc_set_master_slave_mode(hw); + if (ret_val) + return ret_val; + + return IGC_SUCCESS; +} + +/** + * igc_copper_link_setup_igp - Setup igp PHY's for copper link + * @hw: pointer to the HW structure + * + * Sets up LPLU, MDI/MDI-X, polarity, Smartspeed and Master/Slave config for + * igp PHY's. + **/ +s32 igc_copper_link_setup_igp(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + + DEBUGFUNC("igc_copper_link_setup_igp"); + + + ret_val = hw->phy.ops.reset(hw); + if (ret_val) { + DEBUGOUT("Error resetting the PHY.\n"); + return ret_val; + } + + /* Wait 100ms for MAC to configure PHY from NVM settings, to avoid + * timeout issues when LFS is enabled. + */ + msec_delay(100); + + /* The NVM settings will configure LPLU in D3 for + * non-IGP1 PHYs. + */ + if (phy->type == igc_phy_igp) { + /* disable lplu d3 during driver init */ + ret_val = hw->phy.ops.set_d3_lplu_state(hw, false); + if (ret_val) { + DEBUGOUT("Error Disabling LPLU D3\n"); + return ret_val; + } + } + + /* disable lplu d0 during driver init */ + if (hw->phy.ops.set_d0_lplu_state) { + ret_val = hw->phy.ops.set_d0_lplu_state(hw, false); + if (ret_val) { + DEBUGOUT("Error Disabling LPLU D0\n"); + return ret_val; + } + } + /* Configure mdi-mdix settings */ + ret_val = phy->ops.read_reg(hw, IGP01IGC_PHY_PORT_CTRL, &data); + if (ret_val) + return ret_val; + + data &= ~IGP01IGC_PSCR_AUTO_MDIX; + + switch (phy->mdix) { + case 1: + data &= ~IGP01IGC_PSCR_FORCE_MDI_MDIX; + break; + case 2: + data |= IGP01IGC_PSCR_FORCE_MDI_MDIX; + break; + case 0: + default: + data |= IGP01IGC_PSCR_AUTO_MDIX; + break; + } + ret_val = phy->ops.write_reg(hw, IGP01IGC_PHY_PORT_CTRL, data); + if (ret_val) + return ret_val; + + /* set auto-master slave resolution settings */ + if (hw->mac.autoneg) { + /* when autonegotiation advertisement is only 1000Mbps then we + * should disable SmartSpeed and enable Auto MasterSlave + * resolution as hardware default. + */ + if (phy->autoneg_advertised == ADVERTISE_1000_FULL) { + /* Disable SmartSpeed */ + ret_val = phy->ops.read_reg(hw, + IGP01IGC_PHY_PORT_CONFIG, + &data); + if (ret_val) + return ret_val; + + data &= ~IGP01IGC_PSCFR_SMART_SPEED; + ret_val = phy->ops.write_reg(hw, + IGP01IGC_PHY_PORT_CONFIG, + data); + if (ret_val) + return ret_val; + + /* Set auto Master/Slave resolution process */ + ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL, &data); + if (ret_val) + return ret_val; + + data &= ~CR_1000T_MS_ENABLE; + ret_val = phy->ops.write_reg(hw, PHY_1000T_CTRL, data); + if (ret_val) + return ret_val; + } + + ret_val = igc_set_master_slave_mode(hw); + } + + return ret_val; +} + +/** + * igc_phy_setup_autoneg - Configure PHY for auto-negotiation + * @hw: pointer to the HW structure + * + * Reads the MII auto-neg advertisement register and/or the 1000T control + * register and if the PHY is already setup for auto-negotiation, then + * return successful. Otherwise, setup advertisement and flow control to + * the appropriate values for the wanted auto-negotiation. + **/ +s32 igc_phy_setup_autoneg(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 mii_autoneg_adv_reg; + u16 mii_1000t_ctrl_reg = 0; + u16 aneg_multigbt_an_ctrl = 0; + + DEBUGFUNC("igc_phy_setup_autoneg"); + + phy->autoneg_advertised &= phy->autoneg_mask; + + /* Read the MII Auto-Neg Advertisement Register (Address 4). */ + ret_val = phy->ops.read_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg); + if (ret_val) + return ret_val; + + if (phy->autoneg_mask & ADVERTISE_1000_FULL) { + /* Read the MII 1000Base-T Control Register (Address 9). */ + ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL, + &mii_1000t_ctrl_reg); + if (ret_val) + return ret_val; + } + + if ((phy->autoneg_mask & ADVERTISE_2500_FULL) && + hw->phy.id == I225_I_PHY_ID) { + /* Read the MULTI GBT AN Control Register - reg 7.32 */ + ret_val = phy->ops.read_reg(hw, (STANDARD_AN_REG_MASK << + MMD_DEVADDR_SHIFT) | + ANEG_MULTIGBT_AN_CTRL, + &aneg_multigbt_an_ctrl); + + if (ret_val) + return ret_val; + } + + /* Need to parse both autoneg_advertised and fc and set up + * the appropriate PHY registers. First we will parse for + * autoneg_advertised software override. Since we can advertise + * a plethora of combinations, we need to check each bit + * individually. + */ + + /* First we clear all the 10/100 mb speed bits in the Auto-Neg + * Advertisement Register (Address 4) and the 1000 mb speed bits in + * the 1000Base-T Control Register (Address 9). + */ + mii_autoneg_adv_reg &= ~(NWAY_AR_100TX_FD_CAPS | + NWAY_AR_100TX_HD_CAPS | + NWAY_AR_10T_FD_CAPS | + NWAY_AR_10T_HD_CAPS); + mii_1000t_ctrl_reg &= ~(CR_1000T_HD_CAPS | CR_1000T_FD_CAPS); + + DEBUGOUT1("autoneg_advertised %x\n", phy->autoneg_advertised); + + /* Do we want to advertise 10 Mb Half Duplex? */ + if (phy->autoneg_advertised & ADVERTISE_10_HALF) { + DEBUGOUT("Advertise 10mb Half duplex\n"); + mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS; + } + + /* Do we want to advertise 10 Mb Full Duplex? */ + if (phy->autoneg_advertised & ADVERTISE_10_FULL) { + DEBUGOUT("Advertise 10mb Full duplex\n"); + mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS; + } + + /* Do we want to advertise 100 Mb Half Duplex? */ + if (phy->autoneg_advertised & ADVERTISE_100_HALF) { + DEBUGOUT("Advertise 100mb Half duplex\n"); + mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS; + } + + /* Do we want to advertise 100 Mb Full Duplex? */ + if (phy->autoneg_advertised & ADVERTISE_100_FULL) { + DEBUGOUT("Advertise 100mb Full duplex\n"); + mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS; + } + + /* We do not allow the Phy to advertise 1000 Mb Half Duplex */ + if (phy->autoneg_advertised & ADVERTISE_1000_HALF) + DEBUGOUT("Advertise 1000mb Half duplex request denied!\n"); + + /* Do we want to advertise 1000 Mb Full Duplex? */ + if (phy->autoneg_advertised & ADVERTISE_1000_FULL) { + DEBUGOUT("Advertise 1000mb Full duplex\n"); + mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS; + } + + /* We do not allow the Phy to advertise 2500 Mb Half Duplex */ + if (phy->autoneg_advertised & ADVERTISE_2500_HALF) + DEBUGOUT("Advertise 2500mb Half duplex request denied!\n"); + + /* Do we want to advertise 2500 Mb Full Duplex? */ + if (phy->autoneg_advertised & ADVERTISE_2500_FULL) { + DEBUGOUT("Advertise 2500mb Full duplex\n"); + aneg_multigbt_an_ctrl |= CR_2500T_FD_CAPS; + } else { + aneg_multigbt_an_ctrl &= ~CR_2500T_FD_CAPS; + } + + /* Check for a software override of the flow control settings, and + * setup the PHY advertisement registers accordingly. If + * auto-negotiation is enabled, then software will have to set the + * "PAUSE" bits to the correct value in the Auto-Negotiation + * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto- + * negotiation. + * + * The possible values of the "fc" parameter are: + * 0: Flow control is completely disabled + * 1: Rx flow control is enabled (we can receive pause frames + * but not send pause frames). + * 2: Tx flow control is enabled (we can send pause frames + * but we do not support receiving pause frames). + * 3: Both Rx and Tx flow control (symmetric) are enabled. + * other: No software override. The flow control configuration + * in the EEPROM is used. + */ + switch (hw->fc.current_mode) { + case igc_fc_none: + /* Flow control (Rx & Tx) is completely disabled by a + * software over-ride. + */ + mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE); + break; + case igc_fc_rx_pause: + /* Rx Flow control is enabled, and Tx Flow control is + * disabled, by a software over-ride. + * + * Since there really isn't a way to advertise that we are + * capable of Rx Pause ONLY, we will advertise that we + * support both symmetric and asymmetric Rx PAUSE. Later + * (in igc_config_fc_after_link_up) we will disable the + * hw's ability to send PAUSE frames. + */ + mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE); + break; + case igc_fc_tx_pause: + /* Tx Flow control is enabled, and Rx Flow control is + * disabled, by a software over-ride. + */ + mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR; + mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE; + break; + case igc_fc_full: + /* Flow control (both Rx and Tx) is enabled by a software + * over-ride. + */ + mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE); + break; + default: + DEBUGOUT("Flow control param set incorrectly\n"); + return -IGC_ERR_CONFIG; + } + + ret_val = phy->ops.write_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg); + if (ret_val) + return ret_val; + + DEBUGOUT1("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg); + + if (phy->autoneg_mask & ADVERTISE_1000_FULL) + ret_val = phy->ops.write_reg(hw, PHY_1000T_CTRL, + mii_1000t_ctrl_reg); + + if ((phy->autoneg_mask & ADVERTISE_2500_FULL) && + hw->phy.id == I225_I_PHY_ID) + ret_val = phy->ops.write_reg(hw, + (STANDARD_AN_REG_MASK << + MMD_DEVADDR_SHIFT) | + ANEG_MULTIGBT_AN_CTRL, + aneg_multigbt_an_ctrl); + + return ret_val; +} + +/** + * igc_copper_link_autoneg - Setup/Enable autoneg for copper link + * @hw: pointer to the HW structure + * + * Performs initial bounds checking on autoneg advertisement parameter, then + * configure to advertise the full capability. Setup the PHY to autoneg + * and restart the negotiation process between the link partner. If + * autoneg_wait_to_complete, then wait for autoneg to complete before exiting. + **/ +s32 igc_copper_link_autoneg(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_ctrl; + + DEBUGFUNC("igc_copper_link_autoneg"); + + /* Perform some bounds checking on the autoneg advertisement + * parameter. + */ + phy->autoneg_advertised &= phy->autoneg_mask; + + /* If autoneg_advertised is zero, we assume it was not defaulted + * by the calling code so we set to advertise full capability. + */ + if (!phy->autoneg_advertised) + phy->autoneg_advertised = phy->autoneg_mask; + + DEBUGOUT("Reconfiguring auto-neg advertisement params\n"); + ret_val = igc_phy_setup_autoneg(hw); + if (ret_val) { + DEBUGOUT("Error Setting up Auto-Negotiation\n"); + return ret_val; + } + DEBUGOUT("Restarting Auto-Neg\n"); + + /* Restart auto-negotiation by setting the Auto Neg Enable bit and + * the Auto Neg Restart bit in the PHY control register. + */ + ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_ctrl); + if (ret_val) + return ret_val; + + phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG); + ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_ctrl); + if (ret_val) + return ret_val; + + /* Does the user want to wait for Auto-Neg to complete here, or + * check at a later time (for example, callback routine). + */ + if (phy->autoneg_wait_to_complete) { + ret_val = igc_wait_autoneg(hw); + if (ret_val) { + DEBUGOUT("Error while waiting for autoneg to complete\n"); + return ret_val; + } + } + + hw->mac.get_link_status = true; + + return ret_val; +} + +/** + * igc_setup_copper_link_generic - Configure copper link settings + * @hw: pointer to the HW structure + * + * Calls the appropriate function to configure the link for auto-neg or forced + * speed and duplex. Then we check for link, once link is established calls + * to configure collision distance and flow control are called. If link is + * not established, we return -IGC_ERR_PHY (-2). + **/ +s32 igc_setup_copper_link_generic(struct igc_hw *hw) +{ + s32 ret_val; + bool link = false; + + DEBUGFUNC("igc_setup_copper_link_generic"); + + if (hw->mac.autoneg) { + /* Setup autoneg and flow control advertisement and perform + * autonegotiation. + */ + ret_val = igc_copper_link_autoneg(hw); + if (ret_val) + return ret_val; + } else { + /* PHY will be set to 10H, 10F, 100H or 100F + * depending on user settings. + */ + DEBUGOUT("Forcing Speed and Duplex\n"); + ret_val = hw->phy.ops.force_speed_duplex(hw); + if (ret_val) { + DEBUGOUT("Error Forcing Speed and Duplex\n"); + return ret_val; + } + } + + /* Check link status. Wait up to 100 microseconds for link to become + * valid. + */ + ret_val = igc_phy_has_link_generic(hw, COPPER_LINK_UP_LIMIT, 10, + &link); + if (ret_val) + return ret_val; + + if (link) { + DEBUGOUT("Valid link established!!!\n"); + hw->mac.ops.config_collision_dist(hw); + ret_val = igc_config_fc_after_link_up_generic(hw); + } else { + DEBUGOUT("Unable to establish link!!!\n"); + } + + return ret_val; +} + +/** + * igc_phy_force_speed_duplex_igp - Force speed/duplex for igp PHY + * @hw: pointer to the HW structure + * + * Calls the PHY setup function to force speed and duplex. Clears the + * auto-crossover to force MDI manually. Waits for link and returns + * successful if link up is successful, else -IGC_ERR_PHY (-2). + **/ +s32 igc_phy_force_speed_duplex_igp(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data; + bool link; + + DEBUGFUNC("igc_phy_force_speed_duplex_igp"); + + ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data); + if (ret_val) + return ret_val; + + igc_phy_force_speed_duplex_setup(hw, &phy_data); + + ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data); + if (ret_val) + return ret_val; + + /* Clear Auto-Crossover to force MDI manually. IGP requires MDI + * forced whenever speed and duplex are forced. + */ + ret_val = phy->ops.read_reg(hw, IGP01IGC_PHY_PORT_CTRL, &phy_data); + if (ret_val) + return ret_val; + + phy_data &= ~IGP01IGC_PSCR_AUTO_MDIX; + phy_data &= ~IGP01IGC_PSCR_FORCE_MDI_MDIX; + + ret_val = phy->ops.write_reg(hw, IGP01IGC_PHY_PORT_CTRL, phy_data); + if (ret_val) + return ret_val; + + DEBUGOUT1("IGP PSCR: %X\n", phy_data); + + usec_delay(1); + + if (phy->autoneg_wait_to_complete) { + DEBUGOUT("Waiting for forced speed/duplex link on IGP phy.\n"); + + ret_val = igc_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); + if (ret_val) + return ret_val; + + if (!link) + DEBUGOUT("Link taking longer than expected.\n"); + + /* Try once more */ + ret_val = igc_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); + } + + return ret_val; +} + +/** + * igc_phy_force_speed_duplex_m88 - Force speed/duplex for m88 PHY + * @hw: pointer to the HW structure + * + * Calls the PHY setup function to force speed and duplex. Clears the + * auto-crossover to force MDI manually. Resets the PHY to commit the + * changes. If time expires while waiting for link up, we reset the DSP. + * After reset, TX_CLK and CRS on Tx must be set. Return successful upon + * successful completion, else return corresponding error code. + **/ +s32 igc_phy_force_speed_duplex_m88(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data; + bool link; + + DEBUGFUNC("igc_phy_force_speed_duplex_m88"); + + /* I210 and I211 devices support Auto-Crossover in forced operation. */ + if (phy->type != igc_phy_i210) { + /* Clear Auto-Crossover to force MDI manually. M88E1000 + * requires MDI forced whenever speed and duplex are forced. + */ + ret_val = phy->ops.read_reg(hw, M88IGC_PHY_SPEC_CTRL, + &phy_data); + if (ret_val) + return ret_val; + + phy_data &= ~M88IGC_PSCR_AUTO_X_MODE; + ret_val = phy->ops.write_reg(hw, M88IGC_PHY_SPEC_CTRL, + phy_data); + if (ret_val) + return ret_val; + + DEBUGOUT1("M88E1000 PSCR: %X\n", phy_data); + } + + ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data); + if (ret_val) + return ret_val; + + igc_phy_force_speed_duplex_setup(hw, &phy_data); + + ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data); + if (ret_val) + return ret_val; + + /* Reset the phy to commit changes. */ + ret_val = hw->phy.ops.commit(hw); + if (ret_val) + return ret_val; + + if (phy->autoneg_wait_to_complete) { + DEBUGOUT("Waiting for forced speed/duplex link on M88 phy.\n"); + + ret_val = igc_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); + if (ret_val) + return ret_val; + + if (!link) { + bool reset_dsp = true; + + switch (hw->phy.id) { + case I347AT4_E_PHY_ID: + case M88E1340M_E_PHY_ID: + case M88E1112_E_PHY_ID: + case M88E1543_E_PHY_ID: + case M88E1512_E_PHY_ID: + case I210_I_PHY_ID: + /* fall-through */ + case I225_I_PHY_ID: + /* fall-through */ + reset_dsp = false; + break; + default: + if (hw->phy.type != igc_phy_m88) + reset_dsp = false; + break; + } + + if (!reset_dsp) { + DEBUGOUT("Link taking longer than expected.\n"); + } else { + /* We didn't get link. + * Reset the DSP and cross our fingers. + */ + ret_val = phy->ops.write_reg(hw, + M88IGC_PHY_PAGE_SELECT, + 0x001d); + if (ret_val) + return ret_val; + ret_val = igc_phy_reset_dsp_generic(hw); + if (ret_val) + return ret_val; + } + } + + /* Try once more */ + ret_val = igc_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); + if (ret_val) + return ret_val; + } + + if (hw->phy.type != igc_phy_m88) + return IGC_SUCCESS; + + if (hw->phy.id == I347AT4_E_PHY_ID || + hw->phy.id == M88E1340M_E_PHY_ID || + hw->phy.id == M88E1112_E_PHY_ID) + return IGC_SUCCESS; + if (hw->phy.id == I210_I_PHY_ID) + return IGC_SUCCESS; + if (hw->phy.id == I225_I_PHY_ID) + return IGC_SUCCESS; + if (hw->phy.id == M88E1543_E_PHY_ID || hw->phy.id == M88E1512_E_PHY_ID) + return IGC_SUCCESS; + ret_val = phy->ops.read_reg(hw, M88IGC_EXT_PHY_SPEC_CTRL, &phy_data); + if (ret_val) + return ret_val; + + /* Resetting the phy means we need to re-force TX_CLK in the + * Extended PHY Specific Control Register to 25MHz clock from + * the reset value of 2.5MHz. + */ + phy_data |= M88IGC_EPSCR_TX_CLK_25; + ret_val = phy->ops.write_reg(hw, M88IGC_EXT_PHY_SPEC_CTRL, phy_data); + if (ret_val) + return ret_val; + + /* In addition, we must re-enable CRS on Tx for both half and full + * duplex. + */ + ret_val = phy->ops.read_reg(hw, M88IGC_PHY_SPEC_CTRL, &phy_data); + if (ret_val) + return ret_val; + + phy_data |= M88IGC_PSCR_ASSERT_CRS_ON_TX; + ret_val = phy->ops.write_reg(hw, M88IGC_PHY_SPEC_CTRL, phy_data); + + return ret_val; +} + +/** + * igc_phy_force_speed_duplex_ife - Force PHY speed & duplex + * @hw: pointer to the HW structure + * + * Forces the speed and duplex settings of the PHY. + * This is a function pointer entry point only called by + * PHY setup routines. + **/ +s32 igc_phy_force_speed_duplex_ife(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + bool link; + + DEBUGFUNC("igc_phy_force_speed_duplex_ife"); + + ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &data); + if (ret_val) + return ret_val; + + igc_phy_force_speed_duplex_setup(hw, &data); + + ret_val = phy->ops.write_reg(hw, PHY_CONTROL, data); + if (ret_val) + return ret_val; + + /* Disable MDI-X support for 10/100 */ + ret_val = phy->ops.read_reg(hw, IFE_PHY_MDIX_CONTROL, &data); + if (ret_val) + return ret_val; + + data &= ~IFE_PMC_AUTO_MDIX; + data &= ~IFE_PMC_FORCE_MDIX; + + ret_val = phy->ops.write_reg(hw, IFE_PHY_MDIX_CONTROL, data); + if (ret_val) + return ret_val; + + DEBUGOUT1("IFE PMC: %X\n", data); + + usec_delay(1); + + if (phy->autoneg_wait_to_complete) { + DEBUGOUT("Waiting for forced speed/duplex link on IFE phy.\n"); + + ret_val = igc_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); + if (ret_val) + return ret_val; + + if (!link) + DEBUGOUT("Link taking longer than expected.\n"); + + /* Try once more */ + ret_val = igc_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); + if (ret_val) + return ret_val; + } + + return IGC_SUCCESS; +} + +/** + * igc_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex + * @hw: pointer to the HW structure + * @phy_ctrl: pointer to current value of PHY_CONTROL + * + * Forces speed and duplex on the PHY by doing the following: disable flow + * control, force speed/duplex on the MAC, disable auto speed detection, + * disable auto-negotiation, configure duplex, configure speed, configure + * the collision distance, write configuration to CTRL register. The + * caller must write to the PHY_CONTROL register for these settings to + * take affect. + **/ +void igc_phy_force_speed_duplex_setup(struct igc_hw *hw, u16 *phy_ctrl) +{ + struct igc_mac_info *mac = &hw->mac; + u32 ctrl; + + DEBUGFUNC("igc_phy_force_speed_duplex_setup"); + + /* Turn off flow control when forcing speed/duplex */ + hw->fc.current_mode = igc_fc_none; + + /* Force speed/duplex on the mac */ + ctrl = IGC_READ_REG(hw, IGC_CTRL); + ctrl |= (IGC_CTRL_FRCSPD | IGC_CTRL_FRCDPX); + ctrl &= ~IGC_CTRL_SPD_SEL; + + /* Disable Auto Speed Detection */ + ctrl &= ~IGC_CTRL_ASDE; + + /* Disable autoneg on the phy */ + *phy_ctrl &= ~MII_CR_AUTO_NEG_EN; + + /* Forcing Full or Half Duplex? */ + if (mac->forced_speed_duplex & IGC_ALL_HALF_DUPLEX) { + ctrl &= ~IGC_CTRL_FD; + *phy_ctrl &= ~MII_CR_FULL_DUPLEX; + DEBUGOUT("Half Duplex\n"); + } else { + ctrl |= IGC_CTRL_FD; + *phy_ctrl |= MII_CR_FULL_DUPLEX; + DEBUGOUT("Full Duplex\n"); + } + + /* Forcing 10mb or 100mb? */ + if (mac->forced_speed_duplex & IGC_ALL_100_SPEED) { + ctrl |= IGC_CTRL_SPD_100; + *phy_ctrl |= MII_CR_SPEED_100; + *phy_ctrl &= ~MII_CR_SPEED_1000; + DEBUGOUT("Forcing 100mb\n"); + } else { + ctrl &= ~(IGC_CTRL_SPD_1000 | IGC_CTRL_SPD_100); + *phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100); + DEBUGOUT("Forcing 10mb\n"); + } + + hw->mac.ops.config_collision_dist(hw); + + IGC_WRITE_REG(hw, IGC_CTRL, ctrl); +} + +/** + * igc_set_d3_lplu_state_generic - Sets low power link up state for D3 + * @hw: pointer to the HW structure + * @active: boolean used to enable/disable lplu + * + * Success returns 0, Failure returns 1 + * + * The low power link up (lplu) state is set to the power management level D3 + * and SmartSpeed is disabled when active is true, else clear lplu for D3 + * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU + * is used during Dx states where the power conservation is most important. + * During driver activity, SmartSpeed should be enabled so performance is + * maintained. + **/ +s32 igc_set_d3_lplu_state_generic(struct igc_hw *hw, bool active) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + + DEBUGFUNC("igc_set_d3_lplu_state_generic"); + + if (!hw->phy.ops.read_reg) + return IGC_SUCCESS; + + ret_val = phy->ops.read_reg(hw, IGP02IGC_PHY_POWER_MGMT, &data); + if (ret_val) + return ret_val; + + if (!active) { + data &= ~IGP02IGC_PM_D3_LPLU; + ret_val = phy->ops.write_reg(hw, IGP02IGC_PHY_POWER_MGMT, + data); + if (ret_val) + return ret_val; + /* LPLU and SmartSpeed are mutually exclusive. LPLU is used + * during Dx states where the power conservation is most + * important. During driver activity we should enable + * SmartSpeed, so performance is maintained. + */ + if (phy->smart_speed == igc_smart_speed_on) { + ret_val = phy->ops.read_reg(hw, + IGP01IGC_PHY_PORT_CONFIG, + &data); + if (ret_val) + return ret_val; + + data |= IGP01IGC_PSCFR_SMART_SPEED; + ret_val = phy->ops.write_reg(hw, + IGP01IGC_PHY_PORT_CONFIG, + data); + if (ret_val) + return ret_val; + } else if (phy->smart_speed == igc_smart_speed_off) { + ret_val = phy->ops.read_reg(hw, + IGP01IGC_PHY_PORT_CONFIG, + &data); + if (ret_val) + return ret_val; + + data &= ~IGP01IGC_PSCFR_SMART_SPEED; + ret_val = phy->ops.write_reg(hw, + IGP01IGC_PHY_PORT_CONFIG, + data); + if (ret_val) + return ret_val; + } + } else if ((phy->autoneg_advertised == IGC_ALL_SPEED_DUPLEX) || + (phy->autoneg_advertised == IGC_ALL_NOT_GIG) || + (phy->autoneg_advertised == IGC_ALL_10_SPEED)) { + data |= IGP02IGC_PM_D3_LPLU; + ret_val = phy->ops.write_reg(hw, IGP02IGC_PHY_POWER_MGMT, + data); + if (ret_val) + return ret_val; + + /* When LPLU is enabled, we should disable SmartSpeed */ + ret_val = phy->ops.read_reg(hw, IGP01IGC_PHY_PORT_CONFIG, + &data); + if (ret_val) + return ret_val; + + data &= ~IGP01IGC_PSCFR_SMART_SPEED; + ret_val = phy->ops.write_reg(hw, IGP01IGC_PHY_PORT_CONFIG, + data); + } + + return ret_val; +} + +/** + * igc_check_downshift_generic - Checks whether a downshift in speed occurred + * @hw: pointer to the HW structure + * + * Success returns 0, Failure returns 1 + * + * A downshift is detected by querying the PHY link health. + **/ +s32 igc_check_downshift_generic(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data, offset, mask; + + DEBUGFUNC("igc_check_downshift_generic"); + + switch (phy->type) { + case igc_phy_i210: + case igc_phy_m88: + case igc_phy_gg82563: + case igc_phy_bm: + case igc_phy_82578: + offset = M88IGC_PHY_SPEC_STATUS; + mask = M88IGC_PSSR_DOWNSHIFT; + break; + case igc_phy_igp: + case igc_phy_igp_2: + case igc_phy_igp_3: + offset = IGP01IGC_PHY_LINK_HEALTH; + mask = IGP01IGC_PLHR_SS_DOWNGRADE; + break; + default: + /* speed downshift not supported */ + phy->speed_downgraded = false; + return IGC_SUCCESS; + } + + ret_val = phy->ops.read_reg(hw, offset, &phy_data); + + if (!ret_val) + phy->speed_downgraded = !!(phy_data & mask); + + return ret_val; +} + +/** + * igc_check_polarity_m88 - Checks the polarity. + * @hw: pointer to the HW structure + * + * Success returns 0, Failure returns -IGC_ERR_PHY (-2) + * + * Polarity is determined based on the PHY specific status register. + **/ +s32 igc_check_polarity_m88(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + + DEBUGFUNC("igc_check_polarity_m88"); + + ret_val = phy->ops.read_reg(hw, M88IGC_PHY_SPEC_STATUS, &data); + + if (!ret_val) + phy->cable_polarity = ((data & M88IGC_PSSR_REV_POLARITY) + ? igc_rev_polarity_reversed + : igc_rev_polarity_normal); + + return ret_val; +} + +/** + * igc_check_polarity_igp - Checks the polarity. + * @hw: pointer to the HW structure + * + * Success returns 0, Failure returns -IGC_ERR_PHY (-2) + * + * Polarity is determined based on the PHY port status register, and the + * current speed (since there is no polarity at 100Mbps). + **/ +s32 igc_check_polarity_igp(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data, offset, mask; + + DEBUGFUNC("igc_check_polarity_igp"); + + /* Polarity is determined based on the speed of + * our connection. + */ + ret_val = phy->ops.read_reg(hw, IGP01IGC_PHY_PORT_STATUS, &data); + if (ret_val) + return ret_val; + + if ((data & IGP01IGC_PSSR_SPEED_MASK) == + IGP01IGC_PSSR_SPEED_1000MBPS) { + offset = IGP01IGC_PHY_PCS_INIT_REG; + mask = IGP01IGC_PHY_POLARITY_MASK; + } else { + /* This really only applies to 10Mbps since + * there is no polarity for 100Mbps (always 0). + */ + offset = IGP01IGC_PHY_PORT_STATUS; + mask = IGP01IGC_PSSR_POLARITY_REVERSED; + } + + ret_val = phy->ops.read_reg(hw, offset, &data); + + if (!ret_val) + phy->cable_polarity = ((data & mask) + ? igc_rev_polarity_reversed + : igc_rev_polarity_normal); + + return ret_val; +} + +/** + * igc_check_polarity_ife - Check cable polarity for IFE PHY + * @hw: pointer to the HW structure + * + * Polarity is determined on the polarity reversal feature being enabled. + **/ +s32 igc_check_polarity_ife(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data, offset, mask; + + DEBUGFUNC("igc_check_polarity_ife"); + + /* Polarity is determined based on the reversal feature being enabled. + */ + if (phy->polarity_correction) { + offset = IFE_PHY_EXTENDED_STATUS_CONTROL; + mask = IFE_PESC_POLARITY_REVERSED; + } else { + offset = IFE_PHY_SPECIAL_CONTROL; + mask = IFE_PSC_FORCE_POLARITY; + } + + ret_val = phy->ops.read_reg(hw, offset, &phy_data); + + if (!ret_val) + phy->cable_polarity = ((phy_data & mask) + ? igc_rev_polarity_reversed + : igc_rev_polarity_normal); + + return ret_val; +} + +/** + * igc_wait_autoneg - Wait for auto-neg completion + * @hw: pointer to the HW structure + * + * Waits for auto-negotiation to complete or for the auto-negotiation time + * limit to expire, which ever happens first. + **/ +static s32 igc_wait_autoneg(struct igc_hw *hw) +{ + s32 ret_val = IGC_SUCCESS; + u16 i, phy_status; + + DEBUGFUNC("igc_wait_autoneg"); + + if (!hw->phy.ops.read_reg) + return IGC_SUCCESS; + + /* Break after autoneg completes or PHY_AUTO_NEG_LIMIT expires. */ + for (i = PHY_AUTO_NEG_LIMIT; i > 0; i--) { + ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status); + if (ret_val) + break; + ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status); + if (ret_val) + break; + if (phy_status & MII_SR_AUTONEG_COMPLETE) + break; + msec_delay(100); + } + + /* PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation + * has completed. + */ + return ret_val; +} + +/** + * igc_phy_has_link_generic - Polls PHY for link + * @hw: pointer to the HW structure + * @iterations: number of times to poll for link + * @usec_interval: delay between polling attempts + * @success: pointer to whether polling was successful or not + * + * Polls the PHY status register for link, 'iterations' number of times. + **/ +s32 igc_phy_has_link_generic(struct igc_hw *hw, u32 iterations, + u32 usec_interval, bool *success) +{ + s32 ret_val = IGC_SUCCESS; + u16 i, phy_status; + + DEBUGFUNC("igc_phy_has_link_generic"); + + if (!hw->phy.ops.read_reg) + return IGC_SUCCESS; + + for (i = 0; i < iterations; i++) { + /* Some PHYs require the PHY_STATUS register to be read + * twice due to the link bit being sticky. No harm doing + * it across the board. + */ + ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status); + if (ret_val) { + /* If the first read fails, another entity may have + * ownership of the resources, wait and try again to + * see if they have relinquished the resources yet. + */ + if (usec_interval >= 1000) + msec_delay(usec_interval / 1000); + else + usec_delay(usec_interval); + } + ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status); + if (ret_val) + break; + if (phy_status & MII_SR_LINK_STATUS) + break; + if (usec_interval >= 1000) + msec_delay(usec_interval / 1000); + else + usec_delay(usec_interval); + } + + *success = (i < iterations); + + return ret_val; +} + +/** + * igc_get_cable_length_m88 - Determine cable length for m88 PHY + * @hw: pointer to the HW structure + * + * Reads the PHY specific status register to retrieve the cable length + * information. The cable length is determined by averaging the minimum and + * maximum values to get the "average" cable length. The m88 PHY has four + * possible cable length values, which are: + * Register Value Cable Length + * 0 < 50 meters + * 1 50 - 80 meters + * 2 80 - 110 meters + * 3 110 - 140 meters + * 4 > 140 meters + **/ +s32 igc_get_cable_length_m88(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data, index; + + DEBUGFUNC("igc_get_cable_length_m88"); + + ret_val = phy->ops.read_reg(hw, M88IGC_PHY_SPEC_STATUS, &phy_data); + if (ret_val) + return ret_val; + + index = ((phy_data & M88IGC_PSSR_CABLE_LENGTH) >> + M88IGC_PSSR_CABLE_LENGTH_SHIFT); + + if (index >= M88IGC_CABLE_LENGTH_TABLE_SIZE - 1) + return -IGC_ERR_PHY; + + phy->min_cable_length = igc_m88_cable_length_table[index]; + phy->max_cable_length = igc_m88_cable_length_table[index + 1]; + + phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2; + + return IGC_SUCCESS; +} + +s32 igc_get_cable_length_m88_gen2(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val = 0; + u16 phy_data, phy_data2, is_cm; + u16 index, default_page; + + DEBUGFUNC("igc_get_cable_length_m88_gen2"); + + switch (hw->phy.id) { + case I210_I_PHY_ID: + /* Get cable length from PHY Cable Diagnostics Control Reg */ + ret_val = phy->ops.read_reg(hw, (0x7 << GS40G_PAGE_SHIFT) + + (I347AT4_PCDL + phy->addr), + &phy_data); + if (ret_val) + return ret_val; + + /* Check if the unit of cable length is meters or cm */ + ret_val = phy->ops.read_reg(hw, (0x7 << GS40G_PAGE_SHIFT) + + I347AT4_PCDC, &phy_data2); + if (ret_val) + return ret_val; + + is_cm = !(phy_data2 & I347AT4_PCDC_CABLE_LENGTH_UNIT); + + /* Populate the phy structure with cable length in meters */ + phy->min_cable_length = phy_data / (is_cm ? 100 : 1); + phy->max_cable_length = phy_data / (is_cm ? 100 : 1); + phy->cable_length = phy_data / (is_cm ? 100 : 1); + break; + case I225_I_PHY_ID: + if (ret_val) + return ret_val; + /* TODO - complete with Foxville data */ + break; + case M88E1543_E_PHY_ID: + case M88E1512_E_PHY_ID: + case M88E1340M_E_PHY_ID: + case I347AT4_E_PHY_ID: + /* Remember the original page select and set it to 7 */ + ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT, + &default_page); + if (ret_val) + return ret_val; + + ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0x07); + if (ret_val) + return ret_val; + + /* Get cable length from PHY Cable Diagnostics Control Reg */ + ret_val = phy->ops.read_reg(hw, (I347AT4_PCDL + phy->addr), + &phy_data); + if (ret_val) + return ret_val; + + /* Check if the unit of cable length is meters or cm */ + ret_val = phy->ops.read_reg(hw, I347AT4_PCDC, &phy_data2); + if (ret_val) + return ret_val; + + is_cm = !(phy_data2 & I347AT4_PCDC_CABLE_LENGTH_UNIT); + + /* Populate the phy structure with cable length in meters */ + phy->min_cable_length = phy_data / (is_cm ? 100 : 1); + phy->max_cable_length = phy_data / (is_cm ? 100 : 1); + phy->cable_length = phy_data / (is_cm ? 100 : 1); + + /* Reset the page select to its original value */ + ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, + default_page); + if (ret_val) + return ret_val; + break; + + case M88E1112_E_PHY_ID: + /* Remember the original page select and set it to 5 */ + ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT, + &default_page); + if (ret_val) + return ret_val; + + ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0x05); + if (ret_val) + return ret_val; + + ret_val = phy->ops.read_reg(hw, M88E1112_VCT_DSP_DISTANCE, + &phy_data); + if (ret_val) + return ret_val; + + index = (phy_data & M88IGC_PSSR_CABLE_LENGTH) >> + M88IGC_PSSR_CABLE_LENGTH_SHIFT; + + if (index >= M88IGC_CABLE_LENGTH_TABLE_SIZE - 1) + return -IGC_ERR_PHY; + + phy->min_cable_length = igc_m88_cable_length_table[index]; + phy->max_cable_length = igc_m88_cable_length_table[index + 1]; + + phy->cable_length = (phy->min_cable_length + + phy->max_cable_length) / 2; + + /* Reset the page select to its original value */ + ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, + default_page); + if (ret_val) + return ret_val; + + break; + default: + return -IGC_ERR_PHY; + } + + return ret_val; +} + +/** + * igc_get_cable_length_igp_2 - Determine cable length for igp2 PHY + * @hw: pointer to the HW structure + * + * The automatic gain control (agc) normalizes the amplitude of the + * received signal, adjusting for the attenuation produced by the + * cable. By reading the AGC registers, which represent the + * combination of coarse and fine gain value, the value can be put + * into a lookup table to obtain the approximate cable length + * for each channel. + **/ +s32 igc_get_cable_length_igp_2(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data, i, agc_value = 0; + u16 cur_agc_index, max_agc_index = 0; + u16 min_agc_index = IGP02IGC_CABLE_LENGTH_TABLE_SIZE - 1; + static const u16 agc_reg_array[IGP02IGC_PHY_CHANNEL_NUM] = { + IGP02IGC_PHY_AGC_A, + IGP02IGC_PHY_AGC_B, + IGP02IGC_PHY_AGC_C, + IGP02IGC_PHY_AGC_D + }; + + DEBUGFUNC("igc_get_cable_length_igp_2"); + + /* Read the AGC registers for all channels */ + for (i = 0; i < IGP02IGC_PHY_CHANNEL_NUM; i++) { + ret_val = phy->ops.read_reg(hw, agc_reg_array[i], &phy_data); + if (ret_val) + return ret_val; + + /* Getting bits 15:9, which represent the combination of + * coarse and fine gain values. The result is a number + * that can be put into the lookup table to obtain the + * approximate cable length. + */ + cur_agc_index = ((phy_data >> IGP02IGC_AGC_LENGTH_SHIFT) & + IGP02IGC_AGC_LENGTH_MASK); + + /* Array index bound check. */ + if (cur_agc_index >= IGP02IGC_CABLE_LENGTH_TABLE_SIZE || + cur_agc_index == 0) + return -IGC_ERR_PHY; + + /* Remove min & max AGC values from calculation. */ + if (igc_igp_2_cable_length_table[min_agc_index] > + igc_igp_2_cable_length_table[cur_agc_index]) + min_agc_index = cur_agc_index; + if (igc_igp_2_cable_length_table[max_agc_index] < + igc_igp_2_cable_length_table[cur_agc_index]) + max_agc_index = cur_agc_index; + + agc_value += igc_igp_2_cable_length_table[cur_agc_index]; + } + + agc_value -= (igc_igp_2_cable_length_table[min_agc_index] + + igc_igp_2_cable_length_table[max_agc_index]); + agc_value /= (IGP02IGC_PHY_CHANNEL_NUM - 2); + + /* Calculate cable length with the error range of +/- 10 meters. */ + phy->min_cable_length = (((agc_value - IGP02IGC_AGC_RANGE) > 0) ? + (agc_value - IGP02IGC_AGC_RANGE) : 0); + phy->max_cable_length = agc_value + IGP02IGC_AGC_RANGE; + + phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2; + + return IGC_SUCCESS; +} + +/** + * igc_get_phy_info_m88 - Retrieve PHY information + * @hw: pointer to the HW structure + * + * Valid for only copper links. Read the PHY status register (sticky read) + * to verify that link is up. Read the PHY special control register to + * determine the polarity and 10base-T extended distance. Read the PHY + * special status register to determine MDI/MDIx and current speed. If + * speed is 1000, then determine cable length, local and remote receiver. + **/ +s32 igc_get_phy_info_m88(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data; + bool link; + + DEBUGFUNC("igc_get_phy_info_m88"); + + if (phy->media_type != igc_media_type_copper) { + DEBUGOUT("Phy info is only valid for copper media\n"); + return -IGC_ERR_CONFIG; + } + + ret_val = igc_phy_has_link_generic(hw, 1, 0, &link); + if (ret_val) + return ret_val; + + if (!link) { + DEBUGOUT("Phy info is only valid if link is up\n"); + return -IGC_ERR_CONFIG; + } + + ret_val = phy->ops.read_reg(hw, M88IGC_PHY_SPEC_CTRL, &phy_data); + if (ret_val) + return ret_val; + + phy->polarity_correction = !!(phy_data & + M88IGC_PSCR_POLARITY_REVERSAL); + + ret_val = igc_check_polarity_m88(hw); + if (ret_val) + return ret_val; + + ret_val = phy->ops.read_reg(hw, M88IGC_PHY_SPEC_STATUS, &phy_data); + if (ret_val) + return ret_val; + + phy->is_mdix = !!(phy_data & M88IGC_PSSR_MDIX); + + if ((phy_data & M88IGC_PSSR_SPEED) == M88IGC_PSSR_1000MBS) { + ret_val = hw->phy.ops.get_cable_length(hw); + if (ret_val) + return ret_val; + + ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &phy_data); + if (ret_val) + return ret_val; + + phy->local_rx = (phy_data & SR_1000T_LOCAL_RX_STATUS) + ? igc_1000t_rx_status_ok + : igc_1000t_rx_status_not_ok; + + phy->remote_rx = (phy_data & SR_1000T_REMOTE_RX_STATUS) + ? igc_1000t_rx_status_ok + : igc_1000t_rx_status_not_ok; + } else { + /* Set values to "undefined" */ + phy->cable_length = IGC_CABLE_LENGTH_UNDEFINED; + phy->local_rx = igc_1000t_rx_status_undefined; + phy->remote_rx = igc_1000t_rx_status_undefined; + } + + return ret_val; +} + +/** + * igc_get_phy_info_igp - Retrieve igp PHY information + * @hw: pointer to the HW structure + * + * Read PHY status to determine if link is up. If link is up, then + * set/determine 10base-T extended distance and polarity correction. Read + * PHY port status to determine MDI/MDIx and speed. Based on the speed, + * determine on the cable length, local and remote receiver. + **/ +s32 igc_get_phy_info_igp(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + bool link; + + DEBUGFUNC("igc_get_phy_info_igp"); + + ret_val = igc_phy_has_link_generic(hw, 1, 0, &link); + if (ret_val) + return ret_val; + + if (!link) { + DEBUGOUT("Phy info is only valid if link is up\n"); + return -IGC_ERR_CONFIG; + } + + phy->polarity_correction = true; + + ret_val = igc_check_polarity_igp(hw); + if (ret_val) + return ret_val; + + ret_val = phy->ops.read_reg(hw, IGP01IGC_PHY_PORT_STATUS, &data); + if (ret_val) + return ret_val; + + phy->is_mdix = !!(data & IGP01IGC_PSSR_MDIX); + + if ((data & IGP01IGC_PSSR_SPEED_MASK) == + IGP01IGC_PSSR_SPEED_1000MBPS) { + ret_val = phy->ops.get_cable_length(hw); + if (ret_val) + return ret_val; + + ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data); + if (ret_val) + return ret_val; + + phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS) + ? igc_1000t_rx_status_ok + : igc_1000t_rx_status_not_ok; + + phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS) + ? igc_1000t_rx_status_ok + : igc_1000t_rx_status_not_ok; + } else { + phy->cable_length = IGC_CABLE_LENGTH_UNDEFINED; + phy->local_rx = igc_1000t_rx_status_undefined; + phy->remote_rx = igc_1000t_rx_status_undefined; + } + + return ret_val; +} + +/** + * igc_get_phy_info_ife - Retrieves various IFE PHY states + * @hw: pointer to the HW structure + * + * Populates "phy" structure with various feature states. + **/ +s32 igc_get_phy_info_ife(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + bool link; + + DEBUGFUNC("igc_get_phy_info_ife"); + + ret_val = igc_phy_has_link_generic(hw, 1, 0, &link); + if (ret_val) + return ret_val; + + if (!link) { + DEBUGOUT("Phy info is only valid if link is up\n"); + return -IGC_ERR_CONFIG; + } + + ret_val = phy->ops.read_reg(hw, IFE_PHY_SPECIAL_CONTROL, &data); + if (ret_val) + return ret_val; + phy->polarity_correction = !(data & IFE_PSC_AUTO_POLARITY_DISABLE); + + if (phy->polarity_correction) { + ret_val = igc_check_polarity_ife(hw); + if (ret_val) + return ret_val; + } else { + /* Polarity is forced */ + phy->cable_polarity = ((data & IFE_PSC_FORCE_POLARITY) + ? igc_rev_polarity_reversed + : igc_rev_polarity_normal); + } + + ret_val = phy->ops.read_reg(hw, IFE_PHY_MDIX_CONTROL, &data); + if (ret_val) + return ret_val; + + phy->is_mdix = !!(data & IFE_PMC_MDIX_STATUS); + + /* The following parameters are undefined for 10/100 operation. */ + phy->cable_length = IGC_CABLE_LENGTH_UNDEFINED; + phy->local_rx = igc_1000t_rx_status_undefined; + phy->remote_rx = igc_1000t_rx_status_undefined; + + return IGC_SUCCESS; +} + +/** + * igc_phy_sw_reset_generic - PHY software reset + * @hw: pointer to the HW structure + * + * Does a software reset of the PHY by reading the PHY control register and + * setting/write the control register reset bit to the PHY. + **/ +s32 igc_phy_sw_reset_generic(struct igc_hw *hw) +{ + s32 ret_val; + u16 phy_ctrl; + + DEBUGFUNC("igc_phy_sw_reset_generic"); + + if (!hw->phy.ops.read_reg) + return IGC_SUCCESS; + + ret_val = hw->phy.ops.read_reg(hw, PHY_CONTROL, &phy_ctrl); + if (ret_val) + return ret_val; + + phy_ctrl |= MII_CR_RESET; + ret_val = hw->phy.ops.write_reg(hw, PHY_CONTROL, phy_ctrl); + if (ret_val) + return ret_val; + + usec_delay(1); + + return ret_val; +} + +/** + * igc_phy_hw_reset_generic - PHY hardware reset + * @hw: pointer to the HW structure + * + * Verify the reset block is not blocking us from resetting. Acquire + * semaphore (if necessary) and read/set/write the device control reset + * bit in the PHY. Wait the appropriate delay time for the device to + * reset and release the semaphore (if necessary). + **/ +s32 igc_phy_hw_reset_generic(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u32 ctrl; + + DEBUGFUNC("igc_phy_hw_reset_generic"); + + if (phy->ops.check_reset_block) { + ret_val = phy->ops.check_reset_block(hw); + if (ret_val) + return IGC_SUCCESS; + } + + ret_val = phy->ops.acquire(hw); + if (ret_val) + return ret_val; + + ctrl = IGC_READ_REG(hw, IGC_CTRL); + IGC_WRITE_REG(hw, IGC_CTRL, ctrl | IGC_CTRL_PHY_RST); + IGC_WRITE_FLUSH(hw); + + usec_delay(phy->reset_delay_us); + + IGC_WRITE_REG(hw, IGC_CTRL, ctrl); + IGC_WRITE_FLUSH(hw); + + usec_delay(150); + + phy->ops.release(hw); + + return ret_val; +} + +/** + * igc_get_cfg_done_generic - Generic configuration done + * @hw: pointer to the HW structure + * + * Generic function to wait 10 milli-seconds for configuration to complete + * and return success. + **/ +s32 igc_get_cfg_done_generic(struct igc_hw IGC_UNUSEDARG * hw) +{ + DEBUGFUNC("igc_get_cfg_done_generic"); + UNREFERENCED_1PARAMETER(hw); + + msec_delay_irq(10); + + return IGC_SUCCESS; +} + +/** + * igc_phy_init_script_igp3 - Inits the IGP3 PHY + * @hw: pointer to the HW structure + * + * Initializes a Intel Gigabit PHY3 when an EEPROM is not present. + **/ +s32 igc_phy_init_script_igp3(struct igc_hw *hw) +{ + DEBUGOUT("Running IGP 3 PHY init script\n"); + + /* PHY init IGP 3 */ + /* Enable rise/fall, 10-mode work in class-A */ + hw->phy.ops.write_reg(hw, 0x2F5B, 0x9018); + /* Remove all caps from Replica path filter */ + hw->phy.ops.write_reg(hw, 0x2F52, 0x0000); + /* Bias trimming for ADC, AFE and Driver (Default) */ + hw->phy.ops.write_reg(hw, 0x2FB1, 0x8B24); + /* Increase Hybrid poly bias */ + hw->phy.ops.write_reg(hw, 0x2FB2, 0xF8F0); + /* Add 4% to Tx amplitude in Gig mode */ + hw->phy.ops.write_reg(hw, 0x2010, 0x10B0); + /* Disable trimming (TTT) */ + hw->phy.ops.write_reg(hw, 0x2011, 0x0000); + /* Poly DC correction to 94.6% + 2% for all channels */ + hw->phy.ops.write_reg(hw, 0x20DD, 0x249A); + /* ABS DC correction to 95.9% */ + hw->phy.ops.write_reg(hw, 0x20DE, 0x00D3); + /* BG temp curve trim */ + hw->phy.ops.write_reg(hw, 0x28B4, 0x04CE); + /* Increasing ADC OPAMP stage 1 currents to max */ + hw->phy.ops.write_reg(hw, 0x2F70, 0x29E4); + /* Force 1000 ( required for enabling PHY regs configuration) */ + hw->phy.ops.write_reg(hw, 0x0000, 0x0140); + /* Set upd_freq to 6 */ + hw->phy.ops.write_reg(hw, 0x1F30, 0x1606); + /* Disable NPDFE */ + hw->phy.ops.write_reg(hw, 0x1F31, 0xB814); + /* Disable adaptive fixed FFE (Default) */ + hw->phy.ops.write_reg(hw, 0x1F35, 0x002A); + /* Enable FFE hysteresis */ + hw->phy.ops.write_reg(hw, 0x1F3E, 0x0067); + /* Fixed FFE for short cable lengths */ + hw->phy.ops.write_reg(hw, 0x1F54, 0x0065); + /* Fixed FFE for medium cable lengths */ + hw->phy.ops.write_reg(hw, 0x1F55, 0x002A); + /* Fixed FFE for long cable lengths */ + hw->phy.ops.write_reg(hw, 0x1F56, 0x002A); + /* Enable Adaptive Clip Threshold */ + hw->phy.ops.write_reg(hw, 0x1F72, 0x3FB0); + /* AHT reset limit to 1 */ + hw->phy.ops.write_reg(hw, 0x1F76, 0xC0FF); + /* Set AHT master delay to 127 msec */ + hw->phy.ops.write_reg(hw, 0x1F77, 0x1DEC); + /* Set scan bits for AHT */ + hw->phy.ops.write_reg(hw, 0x1F78, 0xF9EF); + /* Set AHT Preset bits */ + hw->phy.ops.write_reg(hw, 0x1F79, 0x0210); + /* Change integ_factor of channel A to 3 */ + hw->phy.ops.write_reg(hw, 0x1895, 0x0003); + /* Change prop_factor of channels BCD to 8 */ + hw->phy.ops.write_reg(hw, 0x1796, 0x0008); + /* Change cg_icount + enable integbp for channels BCD */ + hw->phy.ops.write_reg(hw, 0x1798, 0xD008); + /* Change cg_icount + enable integbp + change prop_factor_master + * to 8 for channel A + */ + hw->phy.ops.write_reg(hw, 0x1898, 0xD918); + /* Disable AHT in Slave mode on channel A */ + hw->phy.ops.write_reg(hw, 0x187A, 0x0800); + /* Enable LPLU and disable AN to 1000 in non-D0a states, + * Enable SPD+B2B + */ + hw->phy.ops.write_reg(hw, 0x0019, 0x008D); + /* Enable restart AN on an1000_dis change */ + hw->phy.ops.write_reg(hw, 0x001B, 0x2080); + /* Enable wh_fifo read clock in 10/100 modes */ + hw->phy.ops.write_reg(hw, 0x0014, 0x0045); + /* Restart AN, Speed selection is 1000 */ + hw->phy.ops.write_reg(hw, 0x0000, 0x1340); + + return IGC_SUCCESS; +} + +/** + * igc_get_phy_type_from_id - Get PHY type from id + * @phy_id: phy_id read from the phy + * + * Returns the phy type from the id. + **/ +enum igc_phy_type igc_get_phy_type_from_id(u32 phy_id) +{ + enum igc_phy_type phy_type = igc_phy_unknown; + + switch (phy_id) { + case M88IGC_I_PHY_ID: + case M88IGC_E_PHY_ID: + case M88E1111_I_PHY_ID: + case M88E1011_I_PHY_ID: + case M88E1543_E_PHY_ID: + case M88E1512_E_PHY_ID: + case I347AT4_E_PHY_ID: + case M88E1112_E_PHY_ID: + case M88E1340M_E_PHY_ID: + phy_type = igc_phy_m88; + break; + case IGP01IGC_I_PHY_ID: /* IGP 1 & 2 share this */ + phy_type = igc_phy_igp_2; + break; + case GG82563_E_PHY_ID: + phy_type = igc_phy_gg82563; + break; + case IGP03IGC_E_PHY_ID: + phy_type = igc_phy_igp_3; + break; + case IFE_E_PHY_ID: + case IFE_PLUS_E_PHY_ID: + case IFE_C_E_PHY_ID: + phy_type = igc_phy_ife; + break; + case BMIGC_E_PHY_ID: + case BMIGC_E_PHY_ID_R2: + phy_type = igc_phy_bm; + break; + case I82578_E_PHY_ID: + phy_type = igc_phy_82578; + break; + case I82577_E_PHY_ID: + phy_type = igc_phy_82577; + break; + case I82579_E_PHY_ID: + phy_type = igc_phy_82579; + break; + case I217_E_PHY_ID: + phy_type = igc_phy_i217; + break; + case I82580_I_PHY_ID: + phy_type = igc_phy_82580; + break; + case I210_I_PHY_ID: + phy_type = igc_phy_i210; + break; + case I225_I_PHY_ID: + phy_type = igc_phy_i225; + break; + default: + phy_type = igc_phy_unknown; + break; + } + return phy_type; +} + +/** + * igc_determine_phy_address - Determines PHY address. + * @hw: pointer to the HW structure + * + * This uses a trial and error method to loop through possible PHY + * addresses. It tests each by reading the PHY ID registers and + * checking for a match. + **/ +s32 igc_determine_phy_address(struct igc_hw *hw) +{ + u32 phy_addr = 0; + u32 i; + enum igc_phy_type phy_type = igc_phy_unknown; + + hw->phy.id = phy_type; + + for (phy_addr = 0; phy_addr < IGC_MAX_PHY_ADDR; phy_addr++) { + hw->phy.addr = phy_addr; + i = 0; + + do { + igc_get_phy_id(hw); + phy_type = igc_get_phy_type_from_id(hw->phy.id); + + /* If phy_type is valid, break - we found our + * PHY address + */ + if (phy_type != igc_phy_unknown) + return IGC_SUCCESS; + + msec_delay(1); + i++; + } while (i < 10); + } + + return -IGC_ERR_PHY_TYPE; +} + +/** + * igc_get_phy_addr_for_bm_page - Retrieve PHY page address + * @page: page to access + * @reg: register to access + * + * Returns the phy address for the page requested. + **/ +static u32 igc_get_phy_addr_for_bm_page(u32 page, u32 reg) +{ + u32 phy_addr = 2; + + if (page >= 768 || (page == 0 && reg == 25) || reg == 31) + phy_addr = 1; + + return phy_addr; +} + +/** + * igc_write_phy_reg_bm - Write BM PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore, if necessary, then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 igc_write_phy_reg_bm(struct igc_hw *hw, u32 offset, u16 data) +{ + s32 ret_val; + u32 page = offset >> IGP_PAGE_SHIFT; + + DEBUGFUNC("igc_write_phy_reg_bm"); + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + /* Page 800 works differently than the rest so it has its own func */ + if (page == BM_WUC_PAGE) { + ret_val = igc_access_phy_wakeup_reg_bm(hw, offset, &data, + false, false); + goto release; + } + + hw->phy.addr = igc_get_phy_addr_for_bm_page(page, offset); + + if (offset > MAX_PHY_MULTI_PAGE_REG) { + u32 page_shift, page_select; + + /* Page select is register 31 for phy address 1 and 22 for + * phy address 2 and 3. Page select is shifted only for + * phy address 1. + */ + if (hw->phy.addr == 1) { + page_shift = IGP_PAGE_SHIFT; + page_select = IGP01IGC_PHY_PAGE_SELECT; + } else { + page_shift = 0; + page_select = BM_PHY_PAGE_SELECT; + } + + /* Page is shifted left, PHY expects (page x 32) */ + ret_val = igc_write_phy_reg_mdic(hw, page_select, + (page << page_shift)); + if (ret_val) + goto release; + } + + ret_val = igc_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, + data); + +release: + hw->phy.ops.release(hw); + return ret_val; +} + +/** + * igc_read_phy_reg_bm - Read BM PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore, if necessary, then reads the PHY register at offset + * and storing the retrieved information in data. Release any acquired + * semaphores before exiting. + **/ +s32 igc_read_phy_reg_bm(struct igc_hw *hw, u32 offset, u16 *data) +{ + s32 ret_val; + u32 page = offset >> IGP_PAGE_SHIFT; + + DEBUGFUNC("igc_read_phy_reg_bm"); + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + /* Page 800 works differently than the rest so it has its own func */ + if (page == BM_WUC_PAGE) { + ret_val = igc_access_phy_wakeup_reg_bm(hw, offset, data, + true, false); + goto release; + } + + hw->phy.addr = igc_get_phy_addr_for_bm_page(page, offset); + + if (offset > MAX_PHY_MULTI_PAGE_REG) { + u32 page_shift, page_select; + + /* Page select is register 31 for phy address 1 and 22 for + * phy address 2 and 3. Page select is shifted only for + * phy address 1. + */ + if (hw->phy.addr == 1) { + page_shift = IGP_PAGE_SHIFT; + page_select = IGP01IGC_PHY_PAGE_SELECT; + } else { + page_shift = 0; + page_select = BM_PHY_PAGE_SELECT; + } + + /* Page is shifted left, PHY expects (page x 32) */ + ret_val = igc_write_phy_reg_mdic(hw, page_select, + (page << page_shift)); + if (ret_val) + goto release; + } + + ret_val = igc_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, + data); +release: + hw->phy.ops.release(hw); + return ret_val; +} + +/** + * igc_read_phy_reg_bm2 - Read BM PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore, if necessary, then reads the PHY register at offset + * and storing the retrieved information in data. Release any acquired + * semaphores before exiting. + **/ +s32 igc_read_phy_reg_bm2(struct igc_hw *hw, u32 offset, u16 *data) +{ + s32 ret_val; + u16 page = (u16)(offset >> IGP_PAGE_SHIFT); + + DEBUGFUNC("igc_read_phy_reg_bm2"); + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + /* Page 800 works differently than the rest so it has its own func */ + if (page == BM_WUC_PAGE) { + ret_val = igc_access_phy_wakeup_reg_bm(hw, offset, data, + true, false); + goto release; + } + + hw->phy.addr = 1; + + if (offset > MAX_PHY_MULTI_PAGE_REG) { + /* Page is shifted left, PHY expects (page x 32) */ + ret_val = igc_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT, + page); + + if (ret_val) + goto release; + } + + ret_val = igc_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, + data); +release: + hw->phy.ops.release(hw); + return ret_val; +} + +/** + * igc_write_phy_reg_bm2 - Write BM PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore, if necessary, then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 igc_write_phy_reg_bm2(struct igc_hw *hw, u32 offset, u16 data) +{ + s32 ret_val; + u16 page = (u16)(offset >> IGP_PAGE_SHIFT); + + DEBUGFUNC("igc_write_phy_reg_bm2"); + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + /* Page 800 works differently than the rest so it has its own func */ + if (page == BM_WUC_PAGE) { + ret_val = igc_access_phy_wakeup_reg_bm(hw, offset, &data, + false, false); + goto release; + } + + hw->phy.addr = 1; + + if (offset > MAX_PHY_MULTI_PAGE_REG) { + /* Page is shifted left, PHY expects (page x 32) */ + ret_val = igc_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT, + page); + + if (ret_val) + goto release; + } + + ret_val = igc_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, + data); + +release: + hw->phy.ops.release(hw); + return ret_val; +} + +/** + * igc_enable_phy_wakeup_reg_access_bm - enable access to BM wakeup registers + * @hw: pointer to the HW structure + * @phy_reg: pointer to store original contents of BM_WUC_ENABLE_REG + * + * Assumes semaphore already acquired and phy_reg points to a valid memory + * address to store contents of the BM_WUC_ENABLE_REG register. + **/ +s32 igc_enable_phy_wakeup_reg_access_bm(struct igc_hw *hw, u16 *phy_reg) +{ + s32 ret_val; + u16 temp; + + DEBUGFUNC("igc_enable_phy_wakeup_reg_access_bm"); + + if (!phy_reg) + return -IGC_ERR_PARAM; + + /* All page select, port ctrl and wakeup registers use phy address 1 */ + hw->phy.addr = 1; + + /* Select Port Control Registers page */ + ret_val = igc_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT)); + if (ret_val) { + DEBUGOUT("Could not set Port Control page\n"); + return ret_val; + } + + ret_val = igc_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg); + if (ret_val) { + DEBUGOUT2("Could not read PHY register %d.%d\n", + BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG); + return ret_val; + } + + /* Enable both PHY wakeup mode and Wakeup register page writes. + * Prevent a power state change by disabling ME and Host PHY wakeup. + */ + temp = *phy_reg; + temp |= BM_WUC_ENABLE_BIT; + temp &= ~(BM_WUC_ME_WU_BIT | BM_WUC_HOST_WU_BIT); + + ret_val = igc_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, temp); + if (ret_val) { + DEBUGOUT2("Could not write PHY register %d.%d\n", + BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG); + return ret_val; + } + + /* Select Host Wakeup Registers page - caller now able to write + * registers on the Wakeup registers page + */ + return igc_set_page_igp(hw, (BM_WUC_PAGE << IGP_PAGE_SHIFT)); +} + +/** + * igc_disable_phy_wakeup_reg_access_bm - disable access to BM wakeup regs + * @hw: pointer to the HW structure + * @phy_reg: pointer to original contents of BM_WUC_ENABLE_REG + * + * Restore BM_WUC_ENABLE_REG to its original value. + * + * Assumes semaphore already acquired and *phy_reg is the contents of the + * BM_WUC_ENABLE_REG before register(s) on BM_WUC_PAGE were accessed by + * caller. + **/ +s32 igc_disable_phy_wakeup_reg_access_bm(struct igc_hw *hw, u16 *phy_reg) +{ + s32 ret_val; + + DEBUGFUNC("igc_disable_phy_wakeup_reg_access_bm"); + + if (!phy_reg) + return -IGC_ERR_PARAM; + + /* Select Port Control Registers page */ + ret_val = igc_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT)); + if (ret_val) { + DEBUGOUT("Could not set Port Control page\n"); + return ret_val; + } + + /* Restore 769.17 to its original value */ + ret_val = igc_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, *phy_reg); + if (ret_val) + DEBUGOUT2("Could not restore PHY register %d.%d\n", + BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG); + + return ret_val; +} + +/** + * igc_access_phy_wakeup_reg_bm - Read/write BM PHY wakeup register + * @hw: pointer to the HW structure + * @offset: register offset to be read or written + * @data: pointer to the data to read or write + * @read: determines if operation is read or write + * @page_set: BM_WUC_PAGE already set and access enabled + * + * Read the PHY register at offset and store the retrieved information in + * data, or write data to PHY register at offset. Note the procedure to + * access the PHY wakeup registers is different than reading the other PHY + * registers. It works as such: + * 1) Set 769.17.2 (page 769, register 17, bit 2) = 1 + * 2) Set page to 800 for host (801 if we were manageability) + * 3) Write the address using the address opcode (0x11) + * 4) Read or write the data using the data opcode (0x12) + * 5) Restore 769.17.2 to its original value + * + * Steps 1 and 2 are done by igc_enable_phy_wakeup_reg_access_bm() and + * step 5 is done by igc_disable_phy_wakeup_reg_access_bm(). + * + * Assumes semaphore is already acquired. When page_set==true, assumes + * the PHY page is set to BM_WUC_PAGE (i.e. a function in the call stack + * is responsible for calls to igc_[enable|disable]_phy_wakeup_reg_bm()). + **/ +static s32 igc_access_phy_wakeup_reg_bm(struct igc_hw *hw, u32 offset, + u16 *data, bool read, bool page_set) +{ + s32 ret_val; + u16 reg = BM_PHY_REG_NUM(offset); + u16 page = BM_PHY_REG_PAGE(offset); + u16 phy_reg = 0; + + DEBUGFUNC("igc_access_phy_wakeup_reg_bm"); + + /* Gig must be disabled for MDIO accesses to Host Wakeup reg page */ + if (hw->mac.type == igc_pchlan && + !(IGC_READ_REG(hw, IGC_PHY_CTRL) & IGC_PHY_CTRL_GBE_DISABLE)) + DEBUGOUT1("Attempting to access page %d while gig enabled.\n", + page); + + if (!page_set) { + /* Enable access to PHY wakeup registers */ + ret_val = igc_enable_phy_wakeup_reg_access_bm(hw, &phy_reg); + if (ret_val) { + DEBUGOUT("Could not enable PHY wakeup reg access\n"); + return ret_val; + } + } + + DEBUGOUT2("Accessing PHY page %d reg 0x%x\n", page, reg); + + /* Write the Wakeup register page offset value using opcode 0x11 */ + ret_val = igc_write_phy_reg_mdic(hw, BM_WUC_ADDRESS_OPCODE, reg); + if (ret_val) { + DEBUGOUT1("Could not write address opcode to page %d\n", page); + return ret_val; + } + + if (read) { + /* Read the Wakeup register page value using opcode 0x12 */ + ret_val = igc_read_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE, + data); + } else { + /* Write the Wakeup register page value using opcode 0x12 */ + ret_val = igc_write_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE, + *data); + } + + if (ret_val) { + DEBUGOUT2("Could not access PHY reg %d.%d\n", page, reg); + return ret_val; + } + + if (!page_set) + ret_val = igc_disable_phy_wakeup_reg_access_bm(hw, &phy_reg); + + return ret_val; +} + +/** + * igc_power_up_phy_copper - Restore copper link in case of PHY power down + * @hw: pointer to the HW structure + * + * In the case of a PHY power down to save power, or to turn off link during a + * driver unload, or wake on lan is not enabled, restore the link to previous + * settings. + **/ +void igc_power_up_phy_copper(struct igc_hw *hw) +{ + u16 mii_reg = 0; + + /* The PHY will retain its settings across a power down/up cycle */ + hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg); + mii_reg &= ~MII_CR_POWER_DOWN; + hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg); +} + +/** + * igc_power_down_phy_copper - Restore copper link in case of PHY power down + * @hw: pointer to the HW structure + * + * In the case of a PHY power down to save power, or to turn off link during a + * driver unload, or wake on lan is not enabled, restore the link to previous + * settings. + **/ +void igc_power_down_phy_copper(struct igc_hw *hw) +{ + u16 mii_reg = 0; + + /* The PHY will retain its settings across a power down/up cycle */ + hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg); + mii_reg |= MII_CR_POWER_DOWN; + hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg); + msec_delay(1); +} + +/** + * __igc_read_phy_reg_hv - Read HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * @locked: semaphore has already been acquired or not + * @page_set: BM_WUC_PAGE already set and access enabled + * + * Acquires semaphore, if necessary, then reads the PHY register at offset + * and stores the retrieved information in data. Release any acquired + * semaphore before exiting. + **/ +static s32 __igc_read_phy_reg_hv(struct igc_hw *hw, u32 offset, u16 *data, + bool locked, bool page_set) +{ + s32 ret_val; + u16 page = BM_PHY_REG_PAGE(offset); + u16 reg = BM_PHY_REG_NUM(offset); + u32 phy_addr = hw->phy.addr = igc_get_phy_addr_for_hv_page(page); + + DEBUGFUNC("__igc_read_phy_reg_hv"); + + if (!locked) { + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + } + /* Page 800 works differently than the rest so it has its own func */ + if (page == BM_WUC_PAGE) { + ret_val = igc_access_phy_wakeup_reg_bm(hw, offset, data, + true, page_set); + goto out; + } + + if (page > 0 && page < HV_INTC_FC_PAGE_START) { + ret_val = igc_access_phy_debug_regs_hv(hw, offset, + data, true); + goto out; + } + + if (!page_set) { + if (page == HV_INTC_FC_PAGE_START) + page = 0; + + if (reg > MAX_PHY_MULTI_PAGE_REG) { + /* Page is shifted left, PHY expects (page x 32) */ + ret_val = igc_set_page_igp(hw, + (page << IGP_PAGE_SHIFT)); + + hw->phy.addr = phy_addr; + + if (ret_val) + goto out; + } + } + + DEBUGOUT3("reading PHY page %d (or 0x%x shifted) reg 0x%x\n", page, + page << IGP_PAGE_SHIFT, reg); + + ret_val = igc_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg, + data); +out: + if (!locked) + hw->phy.ops.release(hw); + + return ret_val; +} + +/** + * igc_read_phy_reg_hv - Read HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Acquires semaphore then reads the PHY register at offset and stores + * the retrieved information in data. Release the acquired semaphore + * before exiting. + **/ +s32 igc_read_phy_reg_hv(struct igc_hw *hw, u32 offset, u16 *data) +{ + return __igc_read_phy_reg_hv(hw, offset, data, false, false); +} + +/** + * igc_read_phy_reg_hv_locked - Read HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to be read + * @data: pointer to the read data + * + * Reads the PHY register at offset and stores the retrieved information + * in data. Assumes semaphore already acquired. + **/ +s32 igc_read_phy_reg_hv_locked(struct igc_hw *hw, u32 offset, u16 *data) +{ + return __igc_read_phy_reg_hv(hw, offset, data, true, false); +} + +/** + * igc_read_phy_reg_page_hv - Read HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Reads the PHY register at offset and stores the retrieved information + * in data. Assumes semaphore already acquired and page already set. + **/ +s32 igc_read_phy_reg_page_hv(struct igc_hw *hw, u32 offset, u16 *data) +{ + return __igc_read_phy_reg_hv(hw, offset, data, true, true); +} + +/** + * __igc_write_phy_reg_hv - Write HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * @locked: semaphore has already been acquired or not + * @page_set: BM_WUC_PAGE already set and access enabled + * + * Acquires semaphore, if necessary, then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +static s32 __igc_write_phy_reg_hv(struct igc_hw *hw, u32 offset, u16 data, + bool locked, bool page_set) +{ + s32 ret_val; + u16 page = BM_PHY_REG_PAGE(offset); + u16 reg = BM_PHY_REG_NUM(offset); + u32 phy_addr = hw->phy.addr = igc_get_phy_addr_for_hv_page(page); + + DEBUGFUNC("__igc_write_phy_reg_hv"); + + if (!locked) { + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + } + /* Page 800 works differently than the rest so it has its own func */ + if (page == BM_WUC_PAGE) { + ret_val = igc_access_phy_wakeup_reg_bm(hw, offset, &data, + false, page_set); + goto out; + } + + if (page > 0 && page < HV_INTC_FC_PAGE_START) { + ret_val = igc_access_phy_debug_regs_hv(hw, offset, + &data, false); + goto out; + } + + if (!page_set) { + if (page == HV_INTC_FC_PAGE_START) + page = 0; + + /* + * Workaround MDIO accesses being disabled after entering IEEE + * Power Down (when bit 11 of the PHY Control register is set) + */ + if (hw->phy.type == igc_phy_82578 && + hw->phy.revision >= 1 && + hw->phy.addr == 2 && + !(MAX_PHY_REG_ADDRESS & reg) && + (data & (1 << 11))) { + u16 data2 = 0x7EFF; + ret_val = igc_access_phy_debug_regs_hv(hw, + (1 << 6) | 0x3, + &data2, false); + if (ret_val) + goto out; + } + + if (reg > MAX_PHY_MULTI_PAGE_REG) { + /* Page is shifted left, PHY expects (page x 32) */ + ret_val = igc_set_page_igp(hw, + (page << IGP_PAGE_SHIFT)); + + hw->phy.addr = phy_addr; + + if (ret_val) + goto out; + } + } + + DEBUGOUT3("writing PHY page %d (or 0x%x shifted) reg 0x%x\n", page, + page << IGP_PAGE_SHIFT, reg); + + ret_val = igc_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg, + data); + +out: + if (!locked) + hw->phy.ops.release(hw); + + return ret_val; +} + +/** + * igc_write_phy_reg_hv - Write HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore then writes the data to PHY register at the offset. + * Release the acquired semaphores before exiting. + **/ +s32 igc_write_phy_reg_hv(struct igc_hw *hw, u32 offset, u16 data) +{ + return __igc_write_phy_reg_hv(hw, offset, data, false, false); +} + +/** + * igc_write_phy_reg_hv_locked - Write HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Writes the data to PHY register at the offset. Assumes semaphore + * already acquired. + **/ +s32 igc_write_phy_reg_hv_locked(struct igc_hw *hw, u32 offset, u16 data) +{ + return __igc_write_phy_reg_hv(hw, offset, data, true, false); +} + +/** + * igc_write_phy_reg_page_hv - Write HV PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Writes the data to PHY register at the offset. Assumes semaphore + * already acquired and page already set. + **/ +s32 igc_write_phy_reg_page_hv(struct igc_hw *hw, u32 offset, u16 data) +{ + return __igc_write_phy_reg_hv(hw, offset, data, true, true); +} + +/** + * igc_get_phy_addr_for_hv_page - Get PHY address based on page + * @page: page to be accessed + **/ +static u32 igc_get_phy_addr_for_hv_page(u32 page) +{ + u32 phy_addr = 2; + + if (page >= HV_INTC_FC_PAGE_START) + phy_addr = 1; + + return phy_addr; +} + +/** + * igc_access_phy_debug_regs_hv - Read HV PHY vendor specific high registers + * @hw: pointer to the HW structure + * @offset: register offset to be read or written + * @data: pointer to the data to be read or written + * @read: determines if operation is read or write + * + * Reads the PHY register at offset and stores the retrieved information + * in data. Assumes semaphore already acquired. Note that the procedure + * to access these regs uses the address port and data port to read/write. + * These accesses done with PHY address 2 and without using pages. + **/ +static s32 igc_access_phy_debug_regs_hv(struct igc_hw *hw, u32 offset, + u16 *data, bool read) +{ + s32 ret_val; + u32 addr_reg; + u32 data_reg; + + DEBUGFUNC("igc_access_phy_debug_regs_hv"); + + /* This takes care of the difference with desktop vs mobile phy */ + addr_reg = ((hw->phy.type == igc_phy_82578) ? + I82578_ADDR_REG : I82577_ADDR_REG); + data_reg = addr_reg + 1; + + /* All operations in this function are phy address 2 */ + hw->phy.addr = 2; + + /* masking with 0x3F to remove the page from offset */ + ret_val = igc_write_phy_reg_mdic(hw, addr_reg, (u16)offset & 0x3F); + if (ret_val) { + DEBUGOUT("Could not write the Address Offset port register\n"); + return ret_val; + } + + /* Read or write the data value next */ + if (read) + ret_val = igc_read_phy_reg_mdic(hw, data_reg, data); + else + ret_val = igc_write_phy_reg_mdic(hw, data_reg, *data); + + if (ret_val) + DEBUGOUT("Could not access the Data port register\n"); + + return ret_val; +} + +/** + * igc_link_stall_workaround_hv - Si workaround + * @hw: pointer to the HW structure + * + * This function works around a Si bug where the link partner can get + * a link up indication before the PHY does. If small packets are sent + * by the link partner they can be placed in the packet buffer without + * being properly accounted for by the PHY and will stall preventing + * further packets from being received. The workaround is to clear the + * packet buffer after the PHY detects link up. + **/ +s32 igc_link_stall_workaround_hv(struct igc_hw *hw) +{ + s32 ret_val = IGC_SUCCESS; + u16 data; + + DEBUGFUNC("igc_link_stall_workaround_hv"); + + if (hw->phy.type != igc_phy_82578) + return IGC_SUCCESS; + + /* Do not apply workaround if in PHY loopback bit 14 set */ + hw->phy.ops.read_reg(hw, PHY_CONTROL, &data); + if (data & PHY_CONTROL_LB) + return IGC_SUCCESS; + + /* check if link is up and at 1Gbps */ + ret_val = hw->phy.ops.read_reg(hw, BM_CS_STATUS, &data); + if (ret_val) + return ret_val; + + data &= (BM_CS_STATUS_LINK_UP | BM_CS_STATUS_RESOLVED | + BM_CS_STATUS_SPEED_MASK); + + if (data != (BM_CS_STATUS_LINK_UP | BM_CS_STATUS_RESOLVED | + BM_CS_STATUS_SPEED_1000)) + return IGC_SUCCESS; + + msec_delay(200); + + /* flush the packets in the fifo buffer */ + ret_val = hw->phy.ops.write_reg(hw, HV_MUX_DATA_CTRL, + (HV_MUX_DATA_CTRL_GEN_TO_MAC | + HV_MUX_DATA_CTRL_FORCE_SPEED)); + if (ret_val) + return ret_val; + + return hw->phy.ops.write_reg(hw, HV_MUX_DATA_CTRL, + HV_MUX_DATA_CTRL_GEN_TO_MAC); +} + +/** + * igc_check_polarity_82577 - Checks the polarity. + * @hw: pointer to the HW structure + * + * Success returns 0, Failure returns -IGC_ERR_PHY (-2) + * + * Polarity is determined based on the PHY specific status register. + **/ +s32 igc_check_polarity_82577(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + + DEBUGFUNC("igc_check_polarity_82577"); + + ret_val = phy->ops.read_reg(hw, I82577_PHY_STATUS_2, &data); + + if (!ret_val) + phy->cable_polarity = ((data & I82577_PHY_STATUS2_REV_POLARITY) + ? igc_rev_polarity_reversed + : igc_rev_polarity_normal); + + return ret_val; +} + +/** + * igc_phy_force_speed_duplex_82577 - Force speed/duplex for I82577 PHY + * @hw: pointer to the HW structure + * + * Calls the PHY setup function to force speed and duplex. + **/ +s32 igc_phy_force_speed_duplex_82577(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data; + bool link = false; + + DEBUGFUNC("igc_phy_force_speed_duplex_82577"); + + ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data); + if (ret_val) + return ret_val; + + igc_phy_force_speed_duplex_setup(hw, &phy_data); + + ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data); + if (ret_val) + return ret_val; + + usec_delay(1); + + if (phy->autoneg_wait_to_complete) { + DEBUGOUT("Waiting for forced speed/duplex link on 82577 phy\n"); + + ret_val = igc_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); + if (ret_val) + return ret_val; + + if (!link) + DEBUGOUT("Link taking longer than expected.\n"); + + /* Try once more */ + ret_val = igc_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); + } + + return ret_val; +} + +/** + * igc_get_phy_info_82577 - Retrieve I82577 PHY information + * @hw: pointer to the HW structure + * + * Read PHY status to determine if link is up. If link is up, then + * set/determine 10base-T extended distance and polarity correction. Read + * PHY port status to determine MDI/MDIx and speed. Based on the speed, + * determine on the cable length, local and remote receiver. + **/ +s32 igc_get_phy_info_82577(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + bool link; + + DEBUGFUNC("igc_get_phy_info_82577"); + + ret_val = igc_phy_has_link_generic(hw, 1, 0, &link); + if (ret_val) + return ret_val; + + if (!link) { + DEBUGOUT("Phy info is only valid if link is up\n"); + return -IGC_ERR_CONFIG; + } + + phy->polarity_correction = true; + + ret_val = igc_check_polarity_82577(hw); + if (ret_val) + return ret_val; + + ret_val = phy->ops.read_reg(hw, I82577_PHY_STATUS_2, &data); + if (ret_val) + return ret_val; + + phy->is_mdix = !!(data & I82577_PHY_STATUS2_MDIX); + + if ((data & I82577_PHY_STATUS2_SPEED_MASK) == + I82577_PHY_STATUS2_SPEED_1000MBPS) { + ret_val = hw->phy.ops.get_cable_length(hw); + if (ret_val) + return ret_val; + + ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data); + if (ret_val) + return ret_val; + + phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS) + ? igc_1000t_rx_status_ok + : igc_1000t_rx_status_not_ok; + + phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS) + ? igc_1000t_rx_status_ok + : igc_1000t_rx_status_not_ok; + } else { + phy->cable_length = IGC_CABLE_LENGTH_UNDEFINED; + phy->local_rx = igc_1000t_rx_status_undefined; + phy->remote_rx = igc_1000t_rx_status_undefined; + } + + return IGC_SUCCESS; +} + +/** + * igc_get_cable_length_82577 - Determine cable length for 82577 PHY + * @hw: pointer to the HW structure + * + * Reads the diagnostic status register and verifies result is valid before + * placing it in the phy_cable_length field. + **/ +s32 igc_get_cable_length_82577(struct igc_hw *hw) +{ + struct igc_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data, length; + + DEBUGFUNC("igc_get_cable_length_82577"); + + ret_val = phy->ops.read_reg(hw, I82577_PHY_DIAG_STATUS, &phy_data); + if (ret_val) + return ret_val; + + length = ((phy_data & I82577_DSTATUS_CABLE_LENGTH) >> + I82577_DSTATUS_CABLE_LENGTH_SHIFT); + + if (length == IGC_CABLE_LENGTH_UNDEFINED) + return -IGC_ERR_PHY; + + phy->cable_length = length; + + return IGC_SUCCESS; +} + +/** + * igc_write_phy_reg_gs40g - Write GS40G PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore, if necessary, then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 igc_write_phy_reg_gs40g(struct igc_hw *hw, u32 offset, u16 data) +{ + s32 ret_val; + u16 page = offset >> GS40G_PAGE_SHIFT; + + DEBUGFUNC("igc_write_phy_reg_gs40g"); + + offset = offset & GS40G_OFFSET_MASK; + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = igc_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, page); + if (ret_val) + goto release; + ret_val = igc_write_phy_reg_mdic(hw, offset, data); + +release: + hw->phy.ops.release(hw); + return ret_val; +} + +/** + * igc_read_phy_reg_gs40g - Read GS40G PHY register + * @hw: pointer to the HW structure + * @offset: lower half is register offset to read to + * upper half is page to use. + * @data: data to read at register offset + * + * Acquires semaphore, if necessary, then reads the data in the PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 igc_read_phy_reg_gs40g(struct igc_hw *hw, u32 offset, u16 *data) +{ + s32 ret_val; + u16 page = offset >> GS40G_PAGE_SHIFT; + + DEBUGFUNC("igc_read_phy_reg_gs40g"); + + offset = offset & GS40G_OFFSET_MASK; + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = igc_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, page); + if (ret_val) + goto release; + ret_val = igc_read_phy_reg_mdic(hw, offset, data); + +release: + hw->phy.ops.release(hw); + return ret_val; +} + +/** + * igc_write_phy_reg_gpy - Write GPY PHY register + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore, if necessary, then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 igc_write_phy_reg_gpy(struct igc_hw *hw, u32 offset, u16 data) +{ + s32 ret_val; + u8 dev_addr = (offset & GPY_MMD_MASK) >> GPY_MMD_SHIFT; + + DEBUGFUNC("igc_write_phy_reg_gpy"); + + offset = offset & GPY_REG_MASK; + + if (!dev_addr) { + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + ret_val = igc_write_phy_reg_mdic(hw, offset, data); + if (ret_val) + return ret_val; + hw->phy.ops.release(hw); + } else { + ret_val = igc_write_xmdio_reg(hw, (u16)offset, dev_addr, + data); + } + return ret_val; +} + +/** + * igc_read_phy_reg_gpy - Read GPY PHY register + * @hw: pointer to the HW structure + * @offset: lower half is register offset to read to + * upper half is MMD to use. + * @data: data to read at register offset + * + * Acquires semaphore, if necessary, then reads the data in the PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 igc_read_phy_reg_gpy(struct igc_hw *hw, u32 offset, u16 *data) +{ + s32 ret_val; + u8 dev_addr = (offset & GPY_MMD_MASK) >> GPY_MMD_SHIFT; + + DEBUGFUNC("igc_read_phy_reg_gpy"); + + offset = offset & GPY_REG_MASK; + + if (!dev_addr) { + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + ret_val = igc_read_phy_reg_mdic(hw, offset, data); + if (ret_val) + return ret_val; + hw->phy.ops.release(hw); + } else { + ret_val = igc_read_xmdio_reg(hw, (u16)offset, dev_addr, + data); + } + return ret_val; +} + +/** + * igc_read_phy_reg_mphy - Read mPHY control register + * @hw: pointer to the HW structure + * @address: address to be read + * @data: pointer to the read data + * + * Reads the mPHY control register in the PHY at offset and stores the + * information read to data. + **/ +s32 igc_read_phy_reg_mphy(struct igc_hw *hw, u32 address, u32 *data) +{ + u32 mphy_ctrl = 0; + bool locked = false; + bool ready; + + DEBUGFUNC("igc_read_phy_reg_mphy"); + + /* Check if mPHY is ready to read/write operations */ + ready = igc_is_mphy_ready(hw); + if (!ready) + return -IGC_ERR_PHY; + + /* Check if mPHY access is disabled and enable it if so */ + mphy_ctrl = IGC_READ_REG(hw, IGC_MPHY_ADDR_CTRL); + if (mphy_ctrl & IGC_MPHY_DIS_ACCESS) { + locked = true; + ready = igc_is_mphy_ready(hw); + if (!ready) + return -IGC_ERR_PHY; + mphy_ctrl |= IGC_MPHY_ENA_ACCESS; + IGC_WRITE_REG(hw, IGC_MPHY_ADDR_CTRL, mphy_ctrl); + } + + /* Set the address that we want to read */ + ready = igc_is_mphy_ready(hw); + if (!ready) + return -IGC_ERR_PHY; + + /* We mask address, because we want to use only current lane */ + mphy_ctrl = (mphy_ctrl & ~IGC_MPHY_ADDRESS_MASK & + ~IGC_MPHY_ADDRESS_FNC_OVERRIDE) | + (address & IGC_MPHY_ADDRESS_MASK); + IGC_WRITE_REG(hw, IGC_MPHY_ADDR_CTRL, mphy_ctrl); + + /* Read data from the address */ + ready = igc_is_mphy_ready(hw); + if (!ready) + return -IGC_ERR_PHY; + *data = IGC_READ_REG(hw, IGC_MPHY_DATA); + + /* Disable access to mPHY if it was originally disabled */ + if (locked) + ready = igc_is_mphy_ready(hw); + if (!ready) + return -IGC_ERR_PHY; + IGC_WRITE_REG(hw, IGC_MPHY_ADDR_CTRL, + IGC_MPHY_DIS_ACCESS); + + return IGC_SUCCESS; +} + +/** + * igc_write_phy_reg_mphy - Write mPHY control register + * @hw: pointer to the HW structure + * @address: address to write to + * @data: data to write to register at offset + * @line_override: used when we want to use different line than default one + * + * Writes data to mPHY control register. + **/ +s32 igc_write_phy_reg_mphy(struct igc_hw *hw, u32 address, u32 data, + bool line_override) +{ + u32 mphy_ctrl = 0; + bool locked = false; + bool ready; + + DEBUGFUNC("igc_write_phy_reg_mphy"); + + /* Check if mPHY is ready to read/write operations */ + ready = igc_is_mphy_ready(hw); + if (!ready) + return -IGC_ERR_PHY; + + /* Check if mPHY access is disabled and enable it if so */ + mphy_ctrl = IGC_READ_REG(hw, IGC_MPHY_ADDR_CTRL); + if (mphy_ctrl & IGC_MPHY_DIS_ACCESS) { + locked = true; + ready = igc_is_mphy_ready(hw); + if (!ready) + return -IGC_ERR_PHY; + mphy_ctrl |= IGC_MPHY_ENA_ACCESS; + IGC_WRITE_REG(hw, IGC_MPHY_ADDR_CTRL, mphy_ctrl); + } + + /* Set the address that we want to read */ + ready = igc_is_mphy_ready(hw); + if (!ready) + return -IGC_ERR_PHY; + + /* We mask address, because we want to use only current lane */ + if (line_override) + mphy_ctrl |= IGC_MPHY_ADDRESS_FNC_OVERRIDE; + else + mphy_ctrl &= ~IGC_MPHY_ADDRESS_FNC_OVERRIDE; + mphy_ctrl = (mphy_ctrl & ~IGC_MPHY_ADDRESS_MASK) | + (address & IGC_MPHY_ADDRESS_MASK); + IGC_WRITE_REG(hw, IGC_MPHY_ADDR_CTRL, mphy_ctrl); + + /* Read data from the address */ + ready = igc_is_mphy_ready(hw); + if (!ready) + return -IGC_ERR_PHY; + IGC_WRITE_REG(hw, IGC_MPHY_DATA, data); + + /* Disable access to mPHY if it was originally disabled */ + if (locked) + ready = igc_is_mphy_ready(hw); + if (!ready) + return -IGC_ERR_PHY; + IGC_WRITE_REG(hw, IGC_MPHY_ADDR_CTRL, + IGC_MPHY_DIS_ACCESS); + + return IGC_SUCCESS; +} + +/** + * igc_is_mphy_ready - Check if mPHY control register is not busy + * @hw: pointer to the HW structure + * + * Returns mPHY control register status. + **/ +bool igc_is_mphy_ready(struct igc_hw *hw) +{ + u16 retry_count = 0; + u32 mphy_ctrl = 0; + bool ready = false; + + while (retry_count < 2) { + mphy_ctrl = IGC_READ_REG(hw, IGC_MPHY_ADDR_CTRL); + if (mphy_ctrl & IGC_MPHY_BUSY) { + usec_delay(20); + retry_count++; + continue; + } + ready = true; + break; + } + + if (!ready) + DEBUGOUT("ERROR READING mPHY control register, phy is busy.\n"); + + return ready; +} + +/** + * __igc_access_xmdio_reg - Read/write XMDIO register + * @hw: pointer to the HW structure + * @address: XMDIO address to program + * @dev_addr: device address to program + * @data: pointer to value to read/write from/to the XMDIO address + * @read: boolean flag to indicate read or write + **/ +static s32 __igc_access_xmdio_reg(struct igc_hw *hw, u16 address, + u8 dev_addr, u16 *data, bool read) +{ + s32 ret_val; + + DEBUGFUNC("__igc_access_xmdio_reg"); + + ret_val = hw->phy.ops.write_reg(hw, IGC_MMDAC, dev_addr); + if (ret_val) + return ret_val; + + ret_val = hw->phy.ops.write_reg(hw, IGC_MMDAAD, address); + if (ret_val) + return ret_val; + + ret_val = hw->phy.ops.write_reg(hw, IGC_MMDAC, IGC_MMDAC_FUNC_DATA | + dev_addr); + if (ret_val) + return ret_val; + + if (read) + ret_val = hw->phy.ops.read_reg(hw, IGC_MMDAAD, data); + else + ret_val = hw->phy.ops.write_reg(hw, IGC_MMDAAD, *data); + if (ret_val) + return ret_val; + + /* Recalibrate the device back to 0 */ + ret_val = hw->phy.ops.write_reg(hw, IGC_MMDAC, 0); + if (ret_val) + return ret_val; + + return ret_val; +} + +/** + * igc_read_xmdio_reg - Read XMDIO register + * @hw: pointer to the HW structure + * @addr: XMDIO address to program + * @dev_addr: device address to program + * @data: value to be read from the EMI address + **/ +s32 igc_read_xmdio_reg(struct igc_hw *hw, u16 addr, u8 dev_addr, u16 *data) +{ + DEBUGFUNC("igc_read_xmdio_reg"); + + return __igc_access_xmdio_reg(hw, addr, dev_addr, data, true); +} + +/** + * igc_write_xmdio_reg - Write XMDIO register + * @hw: pointer to the HW structure + * @addr: XMDIO address to program + * @dev_addr: device address to program + * @data: value to be written to the XMDIO address + **/ +s32 igc_write_xmdio_reg(struct igc_hw *hw, u16 addr, u8 dev_addr, u16 data) +{ + DEBUGFUNC("igc_write_xmdio_reg"); + + return __igc_access_xmdio_reg(hw, addr, dev_addr, &data, + false); +} diff --git a/drivers/net/igc/base/igc_phy.h b/drivers/net/igc/base/igc_phy.h new file mode 100644 index 0000000000..5fae598b8f --- /dev/null +++ b/drivers/net/igc/base/igc_phy.h @@ -0,0 +1,337 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_PHY_H_ +#define _IGC_PHY_H_ + +void igc_init_phy_ops_generic(struct igc_hw *hw); +s32 igc_null_read_reg(struct igc_hw *hw, u32 offset, u16 *data); +void igc_null_phy_generic(struct igc_hw *hw); +s32 igc_null_lplu_state(struct igc_hw *hw, bool active); +s32 igc_null_write_reg(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_null_set_page(struct igc_hw *hw, u16 data); +s32 igc_read_i2c_byte_null(struct igc_hw *hw, u8 byte_offset, + u8 dev_addr, u8 *data); +s32 igc_write_i2c_byte_null(struct igc_hw *hw, u8 byte_offset, + u8 dev_addr, u8 data); +s32 igc_check_downshift_generic(struct igc_hw *hw); +s32 igc_check_polarity_m88(struct igc_hw *hw); +s32 igc_check_polarity_igp(struct igc_hw *hw); +s32 igc_check_polarity_ife(struct igc_hw *hw); +s32 igc_check_reset_block_generic(struct igc_hw *hw); +s32 igc_phy_setup_autoneg(struct igc_hw *hw); +s32 igc_copper_link_autoneg(struct igc_hw *hw); +s32 igc_copper_link_setup_igp(struct igc_hw *hw); +s32 igc_copper_link_setup_m88(struct igc_hw *hw); +s32 igc_copper_link_setup_m88_gen2(struct igc_hw *hw); +s32 igc_phy_force_speed_duplex_igp(struct igc_hw *hw); +s32 igc_phy_force_speed_duplex_m88(struct igc_hw *hw); +s32 igc_phy_force_speed_duplex_ife(struct igc_hw *hw); +s32 igc_get_cable_length_m88(struct igc_hw *hw); +s32 igc_get_cable_length_m88_gen2(struct igc_hw *hw); +s32 igc_get_cable_length_igp_2(struct igc_hw *hw); +s32 igc_get_cfg_done_generic(struct igc_hw *hw); +s32 igc_get_phy_id(struct igc_hw *hw); +s32 igc_get_phy_info_igp(struct igc_hw *hw); +s32 igc_get_phy_info_m88(struct igc_hw *hw); +s32 igc_get_phy_info_ife(struct igc_hw *hw); +s32 igc_phy_sw_reset_generic(struct igc_hw *hw); +void igc_phy_force_speed_duplex_setup(struct igc_hw *hw, u16 *phy_ctrl); +s32 igc_phy_hw_reset_generic(struct igc_hw *hw); +s32 igc_phy_reset_dsp_generic(struct igc_hw *hw); +s32 igc_read_kmrn_reg_generic(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_read_kmrn_reg_locked(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_set_page_igp(struct igc_hw *hw, u16 page); +s32 igc_read_phy_reg_igp(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_read_phy_reg_igp_locked(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_read_phy_reg_m88(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_set_d3_lplu_state_generic(struct igc_hw *hw, bool active); +s32 igc_setup_copper_link_generic(struct igc_hw *hw); +s32 igc_write_kmrn_reg_generic(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_write_kmrn_reg_locked(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_write_phy_reg_igp(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_write_phy_reg_igp_locked(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_write_phy_reg_m88(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_phy_has_link_generic(struct igc_hw *hw, u32 iterations, + u32 usec_interval, bool *success); +s32 igc_phy_init_script_igp3(struct igc_hw *hw); +enum igc_phy_type igc_get_phy_type_from_id(u32 phy_id); +s32 igc_determine_phy_address(struct igc_hw *hw); +s32 igc_write_phy_reg_bm(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_read_phy_reg_bm(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_enable_phy_wakeup_reg_access_bm(struct igc_hw *hw, u16 *phy_reg); +s32 igc_disable_phy_wakeup_reg_access_bm(struct igc_hw *hw, u16 *phy_reg); +s32 igc_read_phy_reg_bm2(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_write_phy_reg_bm2(struct igc_hw *hw, u32 offset, u16 data); +void igc_power_up_phy_copper(struct igc_hw *hw); +void igc_power_down_phy_copper(struct igc_hw *hw); +s32 igc_read_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_write_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_read_phy_reg_i2c(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_write_phy_reg_i2c(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_read_sfp_data_byte(struct igc_hw *hw, u16 offset, u8 *data); +s32 igc_write_sfp_data_byte(struct igc_hw *hw, u16 offset, u8 data); +s32 igc_read_phy_reg_hv(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_read_phy_reg_hv_locked(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_read_phy_reg_page_hv(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_write_phy_reg_hv(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_write_phy_reg_hv_locked(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_write_phy_reg_page_hv(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_link_stall_workaround_hv(struct igc_hw *hw); +s32 igc_copper_link_setup_82577(struct igc_hw *hw); +s32 igc_check_polarity_82577(struct igc_hw *hw); +s32 igc_get_phy_info_82577(struct igc_hw *hw); +s32 igc_phy_force_speed_duplex_82577(struct igc_hw *hw); +s32 igc_get_cable_length_82577(struct igc_hw *hw); +s32 igc_write_phy_reg_gs40g(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_read_phy_reg_gs40g(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_write_phy_reg_gpy(struct igc_hw *hw, u32 offset, u16 data); +s32 igc_read_phy_reg_gpy(struct igc_hw *hw, u32 offset, u16 *data); +s32 igc_read_phy_reg_mphy(struct igc_hw *hw, u32 address, u32 *data); +s32 igc_write_phy_reg_mphy(struct igc_hw *hw, u32 address, u32 data, + bool line_override); +bool igc_is_mphy_ready(struct igc_hw *hw); + +s32 igc_read_xmdio_reg(struct igc_hw *hw, u16 addr, u8 dev_addr, + u16 *data); +s32 igc_write_xmdio_reg(struct igc_hw *hw, u16 addr, u8 dev_addr, + u16 data); + +#define IGC_MAX_PHY_ADDR 8 + +/* IGP01E1000 Specific Registers */ +#define IGP01IGC_PHY_PORT_CONFIG 0x10 /* Port Config */ +#define IGP01IGC_PHY_PORT_STATUS 0x11 /* Status */ +#define IGP01IGC_PHY_PORT_CTRL 0x12 /* Control */ +#define IGP01IGC_PHY_LINK_HEALTH 0x13 /* PHY Link Health */ +#define IGP01IGC_GMII_FIFO 0x14 /* GMII FIFO */ +#define IGP02IGC_PHY_POWER_MGMT 0x19 /* Power Management */ +#define IGP01IGC_PHY_PAGE_SELECT 0x1F /* Page Select */ +#define BM_PHY_PAGE_SELECT 22 /* Page Select for BM */ +#define IGP_PAGE_SHIFT 5 +#define PHY_REG_MASK 0x1F + +/* GS40G - I210 PHY defines */ +#define GS40G_PAGE_SELECT 0x16 +#define GS40G_PAGE_SHIFT 16 +#define GS40G_OFFSET_MASK 0xFFFF +#define GS40G_PAGE_2 0x20000 +#define GS40G_MAC_REG2 0x15 +#define GS40G_MAC_LB 0x4140 +#define GS40G_MAC_SPEED_1G 0X0006 +#define GS40G_COPPER_SPEC 0x0010 + +#define IGC_I225_PHPM 0x0E14 /* I225 PHY Power Management */ +#define IGC_I225_PHPM_DIS_1000_D3 0x0008 /* Disable 1G in D3 */ +#define IGC_I225_PHPM_LINK_ENERGY 0x0010 /* Link Energy Detect */ +#define IGC_I225_PHPM_GO_LINKD 0x0020 /* Go Link Disconnect */ +#define IGC_I225_PHPM_DIS_1000 0x0040 /* Disable 1G globally */ +#define IGC_I225_PHPM_SPD_B2B_EN 0x0080 /* Smart Power Down Back2Back */ +#define IGC_I225_PHPM_RST_COMPL 0x0100 /* PHY Reset Completed */ +#define IGC_I225_PHPM_DIS_100_D3 0x0200 /* Disable 100M in D3 */ +#define IGC_I225_PHPM_ULP 0x0400 /* Ultra Low-Power Mode */ +#define IGC_I225_PHPM_DIS_2500 0x0800 /* Disable 2.5G globally */ +#define IGC_I225_PHPM_DIS_2500_D3 0x1000 /* Disable 2.5G in D3 */ +/* GPY211 - I225 defines */ +#define GPY_MMD_MASK 0xFFFF0000 +#define GPY_MMD_SHIFT 16 +#define GPY_REG_MASK 0x0000FFFF +/* BM/HV Specific Registers */ +#define BM_PORT_CTRL_PAGE 769 +#define BM_WUC_PAGE 800 +#define BM_WUC_ADDRESS_OPCODE 0x11 +#define BM_WUC_DATA_OPCODE 0x12 +#define BM_WUC_ENABLE_PAGE BM_PORT_CTRL_PAGE +#define BM_WUC_ENABLE_REG 17 +#define BM_WUC_ENABLE_BIT (1 << 2) +#define BM_WUC_HOST_WU_BIT (1 << 4) +#define BM_WUC_ME_WU_BIT (1 << 5) + +#define PHY_UPPER_SHIFT 21 + +#define BM_PHY_REG(page, reg) ( \ + __extension__ ({ \ + typeof(page) _page = (page); \ + typeof(reg) _reg = (reg); \ + (_reg & MAX_PHY_REG_ADDRESS) | \ + ((_page & 0xFFFF) << PHY_PAGE_SHIFT) | \ + ((_reg & ~MAX_PHY_REG_ADDRESS) << \ + (PHY_UPPER_SHIFT - PHY_PAGE_SHIFT)); \ + })) + +#define BM_PHY_REG_PAGE(offset) \ + ((u16)(((offset) >> PHY_PAGE_SHIFT) & 0xFFFF)) + +#define BM_PHY_REG_NUM(offset) ( \ + __extension__ ({ \ + typeof(offset) _offset = (offset); \ + (u16)((_offset & MAX_PHY_REG_ADDRESS) | \ + ((_offset >> (PHY_UPPER_SHIFT - PHY_PAGE_SHIFT)) & \ + ~MAX_PHY_REG_ADDRESS)); \ + })) + +#define HV_INTC_FC_PAGE_START 768 +#define I82578_ADDR_REG 29 +#define I82577_ADDR_REG 16 +#define I82577_CFG_REG 22 +#define I82577_CFG_ASSERT_CRS_ON_TX (1 << 15) +#define I82577_CFG_ENABLE_DOWNSHIFT (3 << 10) /* auto downshift */ +#define I82577_CTRL_REG 23 + +/* 82577 specific PHY registers */ +#define I82577_PHY_CTRL_2 18 +#define I82577_PHY_LBK_CTRL 19 +#define I82577_PHY_STATUS_2 26 +#define I82577_PHY_DIAG_STATUS 31 + +/* I82577 PHY Status 2 */ +#define I82577_PHY_STATUS2_REV_POLARITY 0x0400 +#define I82577_PHY_STATUS2_MDIX 0x0800 +#define I82577_PHY_STATUS2_SPEED_MASK 0x0300 +#define I82577_PHY_STATUS2_SPEED_1000MBPS 0x0200 + +/* I82577 PHY Control 2 */ +#define I82577_PHY_CTRL2_MANUAL_MDIX 0x0200 +#define I82577_PHY_CTRL2_AUTO_MDI_MDIX 0x0400 +#define I82577_PHY_CTRL2_MDIX_CFG_MASK 0x0600 + +/* I82577 PHY Diagnostics Status */ +#define I82577_DSTATUS_CABLE_LENGTH 0x03FC +#define I82577_DSTATUS_CABLE_LENGTH_SHIFT 2 + +/* 82580 PHY Power Management */ +#define IGC_82580_PHY_POWER_MGMT 0xE14 +#define IGC_82580_PM_SPD 0x0001 /* Smart Power Down */ +#define IGC_82580_PM_D0_LPLU 0x0002 /* For D0a states */ +#define IGC_82580_PM_D3_LPLU 0x0004 /* For all other states */ +#define IGC_82580_PM_GO_LINKD 0x0020 /* Go Link Disconnect */ + +#define IGC_MPHY_DIS_ACCESS 0x80000000 /* disable_access bit */ +#define IGC_MPHY_ENA_ACCESS 0x40000000 /* enable_access bit */ +#define IGC_MPHY_BUSY 0x00010000 /* busy bit */ +#define IGC_MPHY_ADDRESS_FNC_OVERRIDE 0x20000000 /* fnc_override bit */ +#define IGC_MPHY_ADDRESS_MASK 0x0000FFFF /* address mask */ + +/* BM PHY Copper Specific Control 1 */ +#define BM_CS_CTRL1 16 + +/* BM PHY Copper Specific Status */ +#define BM_CS_STATUS 17 +#define BM_CS_STATUS_LINK_UP 0x0400 +#define BM_CS_STATUS_RESOLVED 0x0800 +#define BM_CS_STATUS_SPEED_MASK 0xC000 +#define BM_CS_STATUS_SPEED_1000 0x8000 + +/* 82577 Mobile Phy Status Register */ +#define HV_M_STATUS 26 +#define HV_M_STATUS_AUTONEG_COMPLETE 0x1000 +#define HV_M_STATUS_SPEED_MASK 0x0300 +#define HV_M_STATUS_SPEED_1000 0x0200 +#define HV_M_STATUS_SPEED_100 0x0100 +#define HV_M_STATUS_LINK_UP 0x0040 + +#define IGP01IGC_PHY_PCS_INIT_REG 0x00B4 +#define IGP01IGC_PHY_POLARITY_MASK 0x0078 + +#define IGP01IGC_PSCR_AUTO_MDIX 0x1000 +#define IGP01IGC_PSCR_FORCE_MDI_MDIX 0x2000 /* 0=MDI, 1=MDIX */ + +#define IGP01IGC_PSCFR_SMART_SPEED 0x0080 + +/* Enable flexible speed on link-up */ +#define IGP01IGC_GMII_FLEX_SPD 0x0010 +#define IGP01IGC_GMII_SPD 0x0020 /* Enable SPD */ + +#define IGP02IGC_PM_SPD 0x0001 /* Smart Power Down */ +#define IGP02IGC_PM_D0_LPLU 0x0002 /* For D0a states */ +#define IGP02IGC_PM_D3_LPLU 0x0004 /* For all other states */ + +#define IGP01IGC_PLHR_SS_DOWNGRADE 0x8000 + +#define IGP01IGC_PSSR_POLARITY_REVERSED 0x0002 +#define IGP01IGC_PSSR_MDIX 0x0800 +#define IGP01IGC_PSSR_SPEED_MASK 0xC000 +#define IGP01IGC_PSSR_SPEED_1000MBPS 0xC000 + +#define IGP02IGC_PHY_CHANNEL_NUM 4 +#define IGP02IGC_PHY_AGC_A 0x11B1 +#define IGP02IGC_PHY_AGC_B 0x12B1 +#define IGP02IGC_PHY_AGC_C 0x14B1 +#define IGP02IGC_PHY_AGC_D 0x18B1 + +#define IGP02IGC_AGC_LENGTH_SHIFT 9 /* Course=15:13, Fine=12:9 */ +#define IGP02IGC_AGC_LENGTH_MASK 0x7F +#define IGP02IGC_AGC_RANGE 15 + +#define IGC_CABLE_LENGTH_UNDEFINED 0xFF + +#define IGC_KMRNCTRLSTA_OFFSET 0x001F0000 +#define IGC_KMRNCTRLSTA_OFFSET_SHIFT 16 +#define IGC_KMRNCTRLSTA_REN 0x00200000 +#define IGC_KMRNCTRLSTA_CTRL_OFFSET 0x1 /* Kumeran Control */ +#define IGC_KMRNCTRLSTA_DIAG_OFFSET 0x3 /* Kumeran Diagnostic */ +#define IGC_KMRNCTRLSTA_TIMEOUTS 0x4 /* Kumeran Timeouts */ +#define IGC_KMRNCTRLSTA_INBAND_PARAM 0x9 /* Kumeran InBand Parameters */ +#define IGC_KMRNCTRLSTA_IBIST_DISABLE 0x0200 /* Kumeran IBIST Disable */ +#define IGC_KMRNCTRLSTA_DIAG_NELPBK 0x1000 /* Nearend Loopback mode */ +#define IGC_KMRNCTRLSTA_K1_CONFIG 0x7 +#define IGC_KMRNCTRLSTA_K1_ENABLE 0x0002 /* enable K1 */ +#define IGC_KMRNCTRLSTA_HD_CTRL 0x10 /* Kumeran HD Control */ +#define IGC_KMRNCTRLSTA_K0S_CTRL 0x1E /* Kumeran K0s Control */ +#define IGC_KMRNCTRLSTA_K0S_CTRL_ENTRY_LTNCY_SHIFT 0 +#define IGC_KMRNCTRLSTA_K0S_CTRL_MIN_TIME_SHIFT 4 +#define IGC_KMRNCTRLSTA_K0S_CTRL_ENTRY_LTNCY_MASK \ + (3 << IGC_KMRNCTRLSTA_K0S_CTRL_ENTRY_LTNCY_SHIFT) +#define IGC_KMRNCTRLSTA_K0S_CTRL_MIN_TIME_MASK \ + (7 << IGC_KMRNCTRLSTA_K0S_CTRL_MIN_TIME_SHIFT) +#define IGC_KMRNCTRLSTA_OP_MODES 0x1F /* Kumeran Modes of Operation */ +#define IGC_KMRNCTRLSTA_OP_MODES_LSC2CSC 0x0002 /* change LSC to CSC */ + +#define IFE_PHY_EXTENDED_STATUS_CONTROL 0x10 +#define IFE_PHY_SPECIAL_CONTROL 0x11 /* 100BaseTx PHY Special Ctrl */ +#define IFE_PHY_SPECIAL_CONTROL_LED 0x1B /* PHY Special and LED Ctrl */ +#define IFE_PHY_MDIX_CONTROL 0x1C /* MDI/MDI-X Control */ + +/* IFE PHY Extended Status Control */ +#define IFE_PESC_POLARITY_REVERSED 0x0100 + +/* IFE PHY Special Control */ +#define IFE_PSC_AUTO_POLARITY_DISABLE 0x0010 +#define IFE_PSC_FORCE_POLARITY 0x0020 + +/* IFE PHY Special Control and LED Control */ +#define IFE_PSCL_PROBE_MODE 0x0020 +#define IFE_PSCL_PROBE_LEDS_OFF 0x0006 /* Force LEDs 0 and 2 off */ +#define IFE_PSCL_PROBE_LEDS_ON 0x0007 /* Force LEDs 0 and 2 on */ + +/* IFE PHY MDIX Control */ +#define IFE_PMC_MDIX_STATUS 0x0020 /* 1=MDI-X, 0=MDI */ +#define IFE_PMC_FORCE_MDIX 0x0040 /* 1=force MDI-X, 0=force MDI */ +#define IFE_PMC_AUTO_MDIX 0x0080 /* 1=enable auto, 0=disable */ + +/* SFP modules ID memory locations */ +#define IGC_SFF_IDENTIFIER_OFFSET 0x00 +#define IGC_SFF_IDENTIFIER_SFF 0x02 +#define IGC_SFF_IDENTIFIER_SFP 0x03 + +#define IGC_SFF_ETH_FLAGS_OFFSET 0x06 +/* Flags for SFP modules compatible with ETH up to 1Gb */ +struct sfp_igc_flags { + u8 igc_base_sx:1; + u8 igc_base_lx:1; + u8 igc_base_cx:1; + u8 igc_base_t:1; + u8 e100_base_lx:1; + u8 e100_base_fx:1; + u8 e10_base_bx10:1; + u8 e10_base_px:1; +}; + +/* Vendor OUIs: format of OUI is 0x[byte0][byte1][byte2][00] */ +#define IGC_SFF_VENDOR_OUI_TYCO 0x00407600 +#define IGC_SFF_VENDOR_OUI_FTL 0x00906500 +#define IGC_SFF_VENDOR_OUI_AVAGO 0x00176A00 +#define IGC_SFF_VENDOR_OUI_INTEL 0x001B2100 + +#endif diff --git a/drivers/net/igc/base/igc_regs.h b/drivers/net/igc/base/igc_regs.h new file mode 100644 index 0000000000..ceffe9bcce --- /dev/null +++ b/drivers/net/igc/base/igc_regs.h @@ -0,0 +1,724 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2019 + */ + +#ifndef _IGC_REGS_H_ +#define _IGC_REGS_H_ + +/* General Register Descriptions */ +#define IGC_CTRL 0x00000 /* Device Control - RW */ +#define IGC_CTRL_DUP 0x00004 /* Device Control Duplicate (Shadow) - RW */ +#define IGC_STATUS 0x00008 /* Device Status - RO */ +#define IGC_EECD 0x00010 /* EEPROM/Flash Control - RW */ +/* NVM Register Descriptions */ +#define IGC_EERD 0x12014 /* EEprom mode read - RW */ +#define IGC_EEWR 0x12018 /* EEprom mode write - RW */ +#define IGC_CTRL_EXT 0x00018 /* Extended Device Control - RW */ +#define IGC_MDIC 0x00020 /* MDI Control - RW */ +#define IGC_MDICNFG 0x00E04 /* MDI Config - RW */ +#define IGC_REGISTER_SET_SIZE 0x20000 /* CSR Size */ +#define IGC_EEPROM_INIT_CTRL_WORD_2 0x0F /* EEPROM Init Ctrl Word 2 */ +#define IGC_EEPROM_PCIE_CTRL_WORD_2 0x28 /* EEPROM PCIe Ctrl Word 2 */ +#define IGC_BARCTRL 0x5BBC /* BAR ctrl reg */ +#define IGC_BARCTRL_FLSIZE 0x0700 /* BAR ctrl Flsize */ +#define IGC_BARCTRL_CSRSIZE 0x2000 /* BAR ctrl CSR size */ +#define IGC_MPHY_ADDR_CTRL 0x0024 /* GbE MPHY Address Control */ +#define IGC_MPHY_DATA 0x0E10 /* GBE MPHY Data */ +#define IGC_MPHY_STAT 0x0E0C /* GBE MPHY Statistics */ +#define IGC_PPHY_CTRL 0x5b48 /* PCIe PHY Control */ +#define IGC_I350_BARCTRL 0x5BFC /* BAR ctrl reg */ +#define IGC_I350_DTXMXPKTSZ 0x355C /* Maximum sent packet size reg*/ +#define IGC_SCTL 0x00024 /* SerDes Control - RW */ +#define IGC_FCAL 0x00028 /* Flow Control Address Low - RW */ +#define IGC_FCAH 0x0002C /* Flow Control Address High -RW */ +#define IGC_FEXT 0x0002C /* Future Extended - RW */ +#define IGC_I225_FLSWCTL 0x12048 /* FLASH control register */ +#define IGC_I225_FLSWDATA 0x1204C /* FLASH data register */ +#define IGC_I225_FLSWCNT 0x12050 /* FLASH Access Counter */ +#define IGC_I225_FLSECU 0x12114 /* FLASH Security */ +#define IGC_FEXTNVM 0x00028 /* Future Extended NVM - RW */ +#define IGC_FEXTNVM3 0x0003C /* Future Extended NVM 3 - RW */ +#define IGC_FEXTNVM4 0x00024 /* Future Extended NVM 4 - RW */ +#define IGC_FEXTNVM5 0x00014 /* Future Extended NVM 5 - RW */ +#define IGC_FEXTNVM6 0x00010 /* Future Extended NVM 6 - RW */ +#define IGC_FEXTNVM7 0x000E4 /* Future Extended NVM 7 - RW */ +#define IGC_FEXTNVM9 0x5BB4 /* Future Extended NVM 9 - RW */ +#define IGC_FEXTNVM11 0x5BBC /* Future Extended NVM 11 - RW */ +#define IGC_PCIEANACFG 0x00F18 /* PCIE Analog Config */ +#define IGC_FCT 0x00030 /* Flow Control Type - RW */ +#define IGC_CONNSW 0x00034 /* Copper/Fiber switch control - RW */ +#define IGC_VET 0x00038 /* VLAN Ether Type - RW */ +#define IGC_ICR 0x01500 /* Intr Cause Read - RC/W1C */ +#define IGC_ITR 0x000C4 /* Interrupt Throttling Rate - RW */ +#define IGC_ICS 0x01504 /* Intr Cause Set - WO */ +#define IGC_IMS 0x01508 /* Intr Mask Set/Read - RW */ +#define IGC_IMC 0x0150C /* Intr Mask Clear - WO */ +#define IGC_IAM 0x01510 /* Intr Ack Auto Mask- RW */ +#define IGC_IVAR 0x000E4 /* Interrupt Vector Allocation Register - RW */ +#define IGC_SVCR 0x000F0 +#define IGC_SVT 0x000F4 +#define IGC_LPIC 0x000FC /* Low Power IDLE control */ +#define IGC_RCTL 0x00100 /* Rx Control - RW */ +#define IGC_FCTTV 0x00170 /* Flow Control Transmit Timer Value - RW */ +#define IGC_TXCW 0x00178 /* Tx Configuration Word - RW */ +#define IGC_RXCW 0x00180 /* Rx Configuration Word - RO */ +#define IGC_PBA_ECC 0x01100 /* PBA ECC Register */ +#define IGC_EICR 0x01580 /* Ext. Interrupt Cause Read - R/clr */ +#define IGC_EITR(_n) (0x01680 + (0x4 * (_n))) +#define IGC_EICS 0x01520 /* Ext. Interrupt Cause Set - W0 */ +#define IGC_EIMS 0x01524 /* Ext. Interrupt Mask Set/Read - RW */ +#define IGC_EIMC 0x01528 /* Ext. Interrupt Mask Clear - WO */ +#define IGC_EIAC 0x0152C /* Ext. Interrupt Auto Clear - RW */ +#define IGC_EIAM 0x01530 /* Ext. Interrupt Ack Auto Clear Mask - RW */ +#define IGC_GPIE 0x01514 /* General Purpose Interrupt Enable - RW */ +#define IGC_IVAR0 0x01700 /* Interrupt Vector Allocation (array) - RW */ +#define IGC_IVAR_MISC 0x01740 /* IVAR for "other" causes - RW */ +#define IGC_TCTL 0x00400 /* Tx Control - RW */ +#define IGC_TCTL_EXT 0x00404 /* Extended Tx Control - RW */ +#define IGC_TIPG 0x00410 /* Tx Inter-packet gap -RW */ +#define IGC_TBT 0x00448 /* Tx Burst Timer - RW */ +#define IGC_AIT 0x00458 /* Adaptive Interframe Spacing Throttle - RW */ +#define IGC_LEDCTL 0x00E00 /* LED Control - RW */ +#define IGC_LEDMUX 0x08130 /* LED MUX Control */ +#define IGC_EXTCNF_CTRL 0x00F00 /* Extended Configuration Control */ +#define IGC_EXTCNF_SIZE 0x00F08 /* Extended Configuration Size */ +#define IGC_PHY_CTRL 0x00F10 /* PHY Control Register in CSR */ +#define IGC_POEMB IGC_PHY_CTRL /* PHY OEM Bits */ +#define IGC_PBA 0x01000 /* Packet Buffer Allocation - RW */ +#define IGC_PBS 0x01008 /* Packet Buffer Size */ +#define IGC_PBECCSTS 0x0100C /* Packet Buffer ECC Status - RW */ +#define IGC_IOSFPC 0x00F28 /* TX corrupted data */ +#define IGC_EEMNGCTL 0x01010 /* MNG EEprom Control */ +#define IGC_EEMNGCTL_I210 0x01010 /* i210 MNG EEprom Mode Control */ +#define IGC_EEMNGCTL_I225 0x01010 /* i225 MNG EEprom Mode Control */ +#define IGC_EEARBC 0x01024 /* EEPROM Auto Read Bus Control */ +#define IGC_EEARBC_I210 0x12024 /* EEPROM Auto Read Bus Control */ +#define IGC_EEARBC_I225 0x12024 /* EEPROM Auto Read Bus Control */ +#define IGC_FLASHT 0x01028 /* FLASH Timer Register */ +#define IGC_FLSWCTL 0x01030 /* FLASH control register */ +#define IGC_FLSWDATA 0x01034 /* FLASH data register */ +#define IGC_FLSWCNT 0x01038 /* FLASH Access Counter */ +#define IGC_FLOP 0x0103C /* FLASH Opcode Register */ +#define IGC_I2CCMD 0x01028 /* SFPI2C Command Register - RW */ +#define IGC_I2CPARAMS 0x0102C /* SFPI2C Parameters Register - RW */ +#define IGC_I2CBB_EN 0x00000100 /* I2C - Bit Bang Enable */ +#define IGC_I2C_CLK_OUT 0x00000200 /* I2C- Clock */ +#define IGC_I2C_DATA_OUT 0x00000400 /* I2C- Data Out */ +#define IGC_I2C_DATA_OE_N 0x00000800 /* I2C- Data Output Enable */ +#define IGC_I2C_DATA_IN 0x00001000 /* I2C- Data In */ +#define IGC_I2C_CLK_OE_N 0x00002000 /* I2C- Clock Output Enable */ +#define IGC_I2C_CLK_IN 0x00004000 /* I2C- Clock In */ +#define IGC_I2C_CLK_STRETCH_DIS 0x00008000 /* I2C- Dis Clk Stretching */ +#define IGC_WDSTP 0x01040 /* Watchdog Setup - RW */ +#define IGC_SWDSTS 0x01044 /* SW Device Status - RW */ +#define IGC_FRTIMER 0x01048 /* Free Running Timer - RW */ +#define IGC_TCPTIMER 0x0104C /* TCP Timer - RW */ +#define IGC_VPDDIAG 0x01060 /* VPD Diagnostic - RO */ +#define IGC_ICR_V2 0x01500 /* Intr Cause - new location - RC */ +#define IGC_ICS_V2 0x01504 /* Intr Cause Set - new location - WO */ +#define IGC_IMS_V2 0x01508 /* Intr Mask Set/Read - new location - RW */ +#define IGC_IMC_V2 0x0150C /* Intr Mask Clear - new location - WO */ +#define IGC_IAM_V2 0x01510 /* Intr Ack Auto Mask - new location - RW */ +#define IGC_ERT 0x02008 /* Early Rx Threshold - RW */ +#define IGC_FCRTL 0x02160 /* Flow Control Receive Threshold Low - RW */ +#define IGC_FCRTH 0x02168 /* Flow Control Receive Threshold High - RW */ +#define IGC_PSRCTL 0x02170 /* Packet Split Receive Control - RW */ +#define IGC_RDFH 0x02410 /* Rx Data FIFO Head - RW */ +#define IGC_RDFT 0x02418 /* Rx Data FIFO Tail - RW */ +#define IGC_RDFHS 0x02420 /* Rx Data FIFO Head Saved - RW */ +#define IGC_RDFTS 0x02428 /* Rx Data FIFO Tail Saved - RW */ +#define IGC_RDFPC 0x02430 /* Rx Data FIFO Packet Count - RW */ +#define IGC_PBRTH 0x02458 /* PB Rx Arbitration Threshold - RW */ +#define IGC_FCRTV 0x02460 /* Flow Control Refresh Timer Value - RW */ +/* Split and Replication Rx Control - RW */ +#define IGC_RDPUMB 0x025CC /* DMA Rx Descriptor uC Mailbox - RW */ +#define IGC_RDPUAD 0x025D0 /* DMA Rx Descriptor uC Addr Command - RW */ +#define IGC_RDPUWD 0x025D4 /* DMA Rx Descriptor uC Data Write - RW */ +#define IGC_RDPURD 0x025D8 /* DMA Rx Descriptor uC Data Read - RW */ +#define IGC_RDPUCTL 0x025DC /* DMA Rx Descriptor uC Control - RW */ +#define IGC_PBDIAG 0x02458 /* Packet Buffer Diagnostic - RW */ +#define IGC_RXPBS 0x02404 /* Rx Packet Buffer Size - RW */ +#define IGC_IRPBS 0x02404 /* Same as RXPBS, renamed for newer Si - RW */ +#define IGC_PBRWAC 0x024E8 /* Rx packet buffer wrap around counter - RO */ +#define IGC_RDTR 0x02820 /* Rx Delay Timer - RW */ +#define IGC_RADV 0x0282C /* Rx Interrupt Absolute Delay Timer - RW */ +#define IGC_EMIADD 0x10 /* Extended Memory Indirect Address */ +#define IGC_EMIDATA 0x11 /* Extended Memory Indirect Data */ +/* Shadow Ram Write Register - RW */ +#define IGC_SRWR 0x12018 +#define IGC_EEC_REG 0x12010 + +#define IGC_I210_FLMNGCTL 0x12038 +#define IGC_I210_FLMNGDATA 0x1203C +#define IGC_I210_FLMNGCNT 0x12040 + +#define IGC_I210_FLSWCTL 0x12048 +#define IGC_I210_FLSWDATA 0x1204C +#define IGC_I210_FLSWCNT 0x12050 + +#define IGC_I210_FLA 0x1201C + +#define IGC_SHADOWINF 0x12068 +#define IGC_FLFWUPDATE 0x12108 + +#define IGC_INVM_DATA_REG(_n) (0x12120 + 4 * (_n)) +#define IGC_INVM_SIZE 64 /* Number of INVM Data Registers */ + +/* QAV Tx mode control register */ +#define IGC_I210_TQAVCTRL 0x3570 + +/* QAV Tx mode control register bitfields masks */ +/* QAV enable */ +#define IGC_TQAVCTRL_MODE (1 << 0) +/* Fetching arbitration type */ +#define IGC_TQAVCTRL_FETCH_ARB (1 << 4) +/* Fetching timer enable */ +#define IGC_TQAVCTRL_FETCH_TIMER_ENABLE (1 << 5) +/* Launch arbitration type */ +#define IGC_TQAVCTRL_LAUNCH_ARB (1 << 8) +/* Launch timer enable */ +#define IGC_TQAVCTRL_LAUNCH_TIMER_ENABLE (1 << 9) +/* SP waits for SR enable */ +#define IGC_TQAVCTRL_SP_WAIT_SR (1 << 10) +/* Fetching timer correction */ +#define IGC_TQAVCTRL_FETCH_TIMER_DELTA_OFFSET 16 +#define IGC_TQAVCTRL_FETCH_TIMER_DELTA \ + (0xFFFF << IGC_TQAVCTRL_FETCH_TIMER_DELTA_OFFSET) + +/* High credit registers where _n can be 0 or 1. */ +#define IGC_I210_TQAVHC(_n) (0x300C + 0x40 * (_n)) + +/* Queues fetch arbitration priority control register */ +#define IGC_I210_TQAVARBCTRL 0x3574 +/* Queues priority masks where _n and _p can be 0-3. */ +#define IGC_TQAVARBCTRL_QUEUE_PRI(_n, _p) ((_p) << (2 * (_n))) +/* QAV Tx mode control registers where _n can be 0 or 1. */ +#define IGC_I210_TQAVCC(_n) (0x3004 + 0x40 * (_n)) + +/* QAV Tx mode control register bitfields masks */ +#define IGC_TQAVCC_IDLE_SLOPE 0xFFFF /* Idle slope */ +#define IGC_TQAVCC_KEEP_CREDITS (1 << 30) /* Keep credits opt enable */ +#define IGC_TQAVCC_QUEUE_MODE (1 << 31) /* SP vs. SR Tx mode */ + +/* Good transmitted packets counter registers */ +#define IGC_PQGPTC(_n) (0x010014 + (0x100 * (_n))) + +/* Queues packet buffer size masks where _n can be 0-3 and _s 0-63 [kB] */ +#define IGC_I210_TXPBS_SIZE(_n, _s) ((_s) << (6 * (_n))) + +#define IGC_MMDAC 13 /* MMD Access Control */ +#define IGC_MMDAAD 14 /* MMD Access Address/Data */ + +/* Convenience macros + * + * Note: "_n" is the queue number of the register + * + * Example usage: + * IGC_RDBAL_REG(current_rx_queue) + */ +#define IGC_QUEUE_REG(n, low, high) ( \ + __extension__ ({ \ + typeof(n) _n = (n); \ + _n < 4 ? ((low) + _n * 0x100) : ((high) + _n * 0x40); \ + })) + +#define IGC_RDBAL(_n) IGC_QUEUE_REG(_n, 0x02800, 0x0C000) +#define IGC_RDBAH(_n) IGC_QUEUE_REG(_n, 0x02804, 0x0C004) +#define IGC_RDLEN(_n) IGC_QUEUE_REG(_n, 0x02808, 0x0C008) +#define IGC_SRRCTL(_n) IGC_QUEUE_REG(_n, 0x0280C, 0x0C00C) +#define IGC_RDH(_n) IGC_QUEUE_REG(_n, 0x02810, 0x0C010) +#define IGC_RXCTL(_n) IGC_QUEUE_REG(_n, 0x02814, 0x0C014) +#define IGC_DCA_RXCTRL(_n) IGC_RXCTL(_n) +#define IGC_RDT(_n) IGC_QUEUE_REG(_n, 0x02818, 0x0C018) +#define IGC_RXDCTL(_n) IGC_QUEUE_REG(_n, 0x02828, 0x0C028) +#define IGC_RQDPC(_n) IGC_QUEUE_REG(_n, 0x02830, 0x0C030) +#define IGC_TDBAL(_n) IGC_QUEUE_REG(_n, 0x03800, 0x0E000) +#define IGC_TDBAH(_n) IGC_QUEUE_REG(_n, 0x03804, 0x0E004) +#define IGC_TDLEN(_n) IGC_QUEUE_REG(_n, 0x03808, 0x0E008) +#define IGC_TDH(_n) IGC_QUEUE_REG(_n, 0x03810, 0x0E010) +#define IGC_TXCTL(_n) IGC_QUEUE_REG(_n, 0x03814, 0x0E014) +#define IGC_DCA_TXCTRL(_n) IGC_TXCTL(_n) +#define IGC_TDT(_n) IGC_QUEUE_REG(_n, 0x03818, 0x0E018) +#define IGC_TXDCTL(_n) IGC_QUEUE_REG(_n, 0x03828, 0x0E028) +#define IGC_TDWBAL(_n) IGC_QUEUE_REG(_n, 0x03838, 0x0E038) +#define IGC_TDWBAH(_n) IGC_QUEUE_REG(_n, 0x0383C, 0x0E03C) +#define IGC_TARC(_n) (0x03840 + (_n) * 0x100) +#define IGC_RSRPD 0x02C00 /* Rx Small Packet Detect - RW */ +#define IGC_RAID 0x02C08 /* Receive Ack Interrupt Delay - RW */ +#define IGC_TXDMAC 0x03000 /* Tx DMA Control - RW */ +#define IGC_KABGTXD 0x03004 /* AFE Band Gap Transmit Ref Data */ +#define IGC_PSRTYPE(_i) (0x05480 + ((_i) * 4)) + +#define IGC_RAL(n) ( \ + __extension__ ({ \ + typeof(n) _n = (n); \ + _n < 16 ? (0x05400 + _n * 8) : (0x054E0 + (_n - 16) * 8); \ + })) + +#define IGC_RAH(_n) (IGC_RAL(_n) + 4) + +#define IGC_VLAPQF 0x055B0 /* VLAN Priority Queue Filter VLAPQF */ + +#define IGC_SHRAL(_i) (0x05438 + ((_i) * 8)) +#define IGC_SHRAH(_i) (0x0543C + ((_i) * 8)) +#define IGC_IP4AT_REG(_i) (0x05840 + ((_i) * 8)) +#define IGC_IP6AT_REG(_i) (0x05880 + ((_i) * 4)) +#define IGC_WUPM_REG(_i) (0x05A00 + ((_i) * 4)) +#define IGC_FFMT_REG(_i) (0x09000 + ((_i) * 8)) +#define IGC_FFVT_REG(_i) (0x09800 + ((_i) * 8)) +#define IGC_FFLT_REG(_i) (0x05F00 + ((_i) * 8)) +#define IGC_PBSLAC 0x03100 /* Pkt Buffer Slave Access Control */ +#define IGC_PBSLAD(_n) (0x03110 + (0x4 * (_n))) /* Pkt Buffer DWORD */ +#define IGC_TXPBS 0x03404 /* Tx Packet Buffer Size - RW */ +/* Same as TXPBS, renamed for newer Si - RW */ +#define IGC_ITPBS 0x03404 +#define IGC_TDFH 0x03410 /* Tx Data FIFO Head - RW */ +#define IGC_TDFT 0x03418 /* Tx Data FIFO Tail - RW */ +#define IGC_TDFHS 0x03420 /* Tx Data FIFO Head Saved - RW */ +#define IGC_TDFTS 0x03428 /* Tx Data FIFO Tail Saved - RW */ +#define IGC_TDFPC 0x03430 /* Tx Data FIFO Packet Count - RW */ +#define IGC_TDPUMB 0x0357C /* DMA Tx Desc uC Mail Box - RW */ +#define IGC_TDPUAD 0x03580 /* DMA Tx Desc uC Addr Command - RW */ +#define IGC_TDPUWD 0x03584 /* DMA Tx Desc uC Data Write - RW */ +#define IGC_TDPURD 0x03588 /* DMA Tx Desc uC Data Read - RW */ +#define IGC_TDPUCTL 0x0358C /* DMA Tx Desc uC Control - RW */ +#define IGC_DTXCTL 0x03590 /* DMA Tx Control - RW */ +#define IGC_DTXTCPFLGL 0x0359C /* DMA Tx Control flag low - RW */ +#define IGC_DTXTCPFLGH 0x035A0 /* DMA Tx Control flag high - RW */ +/* DMA Tx Max Total Allow Size Reqs - RW */ +#define IGC_DTXMXSZRQ 0x03540 +#define IGC_TIDV 0x03820 /* Tx Interrupt Delay Value - RW */ +#define IGC_TADV 0x0382C /* Tx Interrupt Absolute Delay Val - RW */ +#define IGC_TSPMT 0x03830 /* TCP Segmentation PAD & Min Threshold - RW */ +/* Statistics Register Descriptions */ +#define IGC_CRCERRS 0x04000 /* CRC Error Count - R/clr */ +#define IGC_ALGNERRC 0x04004 /* Alignment Error Count - R/clr */ +#define IGC_SYMERRS 0x04008 /* Symbol Error Count - R/clr */ +#define IGC_RXERRC 0x0400C /* Receive Error Count - R/clr */ +#define IGC_MPC 0x04010 /* Missed Packet Count - R/clr */ +#define IGC_SCC 0x04014 /* Single Collision Count - R/clr */ +#define IGC_ECOL 0x04018 /* Excessive Collision Count - R/clr */ +#define IGC_MCC 0x0401C /* Multiple Collision Count - R/clr */ +#define IGC_LATECOL 0x04020 /* Late Collision Count - R/clr */ +#define IGC_COLC 0x04028 /* Collision Count - R/clr */ +#define IGC_DC 0x04030 /* Defer Count - R/clr */ +#define IGC_TNCRS 0x04034 /* Tx-No CRS - R/clr */ +#define IGC_SEC 0x04038 /* Sequence Error Count - R/clr */ +#define IGC_CEXTERR 0x0403C /* Carrier Extension Error Count - R/clr */ +#define IGC_RLEC 0x04040 /* Receive Length Error Count - R/clr */ +#define IGC_XONRXC 0x04048 /* XON Rx Count - R/clr */ +#define IGC_XONTXC 0x0404C /* XON Tx Count - R/clr */ +#define IGC_XOFFRXC 0x04050 /* XOFF Rx Count - R/clr */ +#define IGC_XOFFTXC 0x04054 /* XOFF Tx Count - R/clr */ +#define IGC_FCRUC 0x04058 /* Flow Control Rx Unsupported Count- R/clr */ +#define IGC_PRC64 0x0405C /* Packets Rx (64 bytes) - R/clr */ +#define IGC_PRC127 0x04060 /* Packets Rx (65-127 bytes) - R/clr */ +#define IGC_PRC255 0x04064 /* Packets Rx (128-255 bytes) - R/clr */ +#define IGC_PRC511 0x04068 /* Packets Rx (255-511 bytes) - R/clr */ +#define IGC_PRC1023 0x0406C /* Packets Rx (512-1023 bytes) - R/clr */ +#define IGC_PRC1522 0x04070 /* Packets Rx (1024-1522 bytes) - R/clr */ +#define IGC_GPRC 0x04074 /* Good Packets Rx Count - R/clr */ +#define IGC_BPRC 0x04078 /* Broadcast Packets Rx Count - R/clr */ +#define IGC_MPRC 0x0407C /* Multicast Packets Rx Count - R/clr */ +#define IGC_GPTC 0x04080 /* Good Packets Tx Count - R/clr */ +#define IGC_GORCL 0x04088 /* Good Octets Rx Count Low - R/clr */ +#define IGC_GORCH 0x0408C /* Good Octets Rx Count High - R/clr */ +#define IGC_GOTCL 0x04090 /* Good Octets Tx Count Low - R/clr */ +#define IGC_GOTCH 0x04094 /* Good Octets Tx Count High - R/clr */ +#define IGC_RNBC 0x040A0 /* Rx No Buffers Count - R/clr */ +#define IGC_RUC 0x040A4 /* Rx Undersize Count - R/clr */ +#define IGC_RFC 0x040A8 /* Rx Fragment Count - R/clr */ +#define IGC_ROC 0x040AC /* Rx Oversize Count - R/clr */ +#define IGC_RJC 0x040B0 /* Rx Jabber Count - R/clr */ +#define IGC_MGTPRC 0x040B4 /* Management Packets Rx Count - R/clr */ +#define IGC_MGTPDC 0x040B8 /* Management Packets Dropped Count - R/clr */ +#define IGC_MGTPTC 0x040BC /* Management Packets Tx Count - R/clr */ +#define IGC_TORL 0x040C0 /* Total Octets Rx Low - R/clr */ +#define IGC_TORH 0x040C4 /* Total Octets Rx High - R/clr */ +#define IGC_TOTL 0x040C8 /* Total Octets Tx Low - R/clr */ +#define IGC_TOTH 0x040CC /* Total Octets Tx High - R/clr */ +#define IGC_TPR 0x040D0 /* Total Packets Rx - R/clr */ +#define IGC_TPT 0x040D4 /* Total Packets Tx - R/clr */ +#define IGC_PTC64 0x040D8 /* Packets Tx (64 bytes) - R/clr */ +#define IGC_PTC127 0x040DC /* Packets Tx (65-127 bytes) - R/clr */ +#define IGC_PTC255 0x040E0 /* Packets Tx (128-255 bytes) - R/clr */ +#define IGC_PTC511 0x040E4 /* Packets Tx (256-511 bytes) - R/clr */ +#define IGC_PTC1023 0x040E8 /* Packets Tx (512-1023 bytes) - R/clr */ +#define IGC_PTC1522 0x040EC /* Packets Tx (1024-1522 Bytes) - R/clr */ +#define IGC_MPTC 0x040F0 /* Multicast Packets Tx Count - R/clr */ +#define IGC_BPTC 0x040F4 /* Broadcast Packets Tx Count - R/clr */ +#define IGC_TSCTC 0x040F8 /* TCP Segmentation Context Tx - R/clr */ +#define IGC_TSCTFC 0x040FC /* TCP Segmentation Context Tx Fail - R/clr */ +#define IGC_IAC 0x04100 /* Interrupt Assertion Count */ +/* Interrupt Cause */ +#define IGC_ICRXPTC 0x04104 /* Interrupt Cause Rx Pkt Timer Expire Count */ +#define IGC_ICRXATC 0x04108 /* Interrupt Cause Rx Abs Timer Expire Count */ +#define IGC_ICTXPTC 0x0410C /* Interrupt Cause Tx Pkt Timer Expire Count */ +#define IGC_ICTXATC 0x04110 /* Interrupt Cause Tx Abs Timer Expire Count */ +#define IGC_ICTXQEC 0x04118 /* Interrupt Cause Tx Queue Empty Count */ +#define IGC_ICTXQMTC 0x0411C /* Interrupt Cause Tx Queue Min Thresh Count */ +#define IGC_ICRXDMTC 0x04120 /* Interrupt Cause Rx Desc Min Thresh Count */ +#define IGC_ICRXOC 0x04124 /* Interrupt Cause Receiver Overrun Count */ +#define IGC_CRC_OFFSET 0x05F50 /* CRC Offset register */ + +#define IGC_VFGPRC 0x00F10 +#define IGC_VFGORC 0x00F18 +#define IGC_VFMPRC 0x00F3C +#define IGC_VFGPTC 0x00F14 +#define IGC_VFGOTC 0x00F34 +#define IGC_VFGOTLBC 0x00F50 +#define IGC_VFGPTLBC 0x00F44 +#define IGC_VFGORLBC 0x00F48 +#define IGC_VFGPRLBC 0x00F40 +/* Virtualization statistical counters */ +#define IGC_PFVFGPRC(_n) (0x010010 + (0x100 * (_n))) +#define IGC_PFVFGPTC(_n) (0x010014 + (0x100 * (_n))) +#define IGC_PFVFGORC(_n) (0x010018 + (0x100 * (_n))) +#define IGC_PFVFGOTC(_n) (0x010034 + (0x100 * (_n))) +#define IGC_PFVFMPRC(_n) (0x010038 + (0x100 * (_n))) +#define IGC_PFVFGPRLBC(_n) (0x010040 + (0x100 * (_n))) +#define IGC_PFVFGPTLBC(_n) (0x010044 + (0x100 * (_n))) +#define IGC_PFVFGORLBC(_n) (0x010048 + (0x100 * (_n))) +#define IGC_PFVFGOTLBC(_n) (0x010050 + (0x100 * (_n))) + +/* LinkSec */ +#define IGC_LSECTXUT 0x04300 /* Tx Untagged Pkt Cnt */ +#define IGC_LSECTXPKTE 0x04304 /* Encrypted Tx Pkts Cnt */ +#define IGC_LSECTXPKTP 0x04308 /* Protected Tx Pkt Cnt */ +#define IGC_LSECTXOCTE 0x0430C /* Encrypted Tx Octets Cnt */ +#define IGC_LSECTXOCTP 0x04310 /* Protected Tx Octets Cnt */ +#define IGC_LSECRXUT 0x04314 /* Untagged non-Strict Rx Pkt Cnt */ +#define IGC_LSECRXOCTD 0x0431C /* Rx Octets Decrypted Count */ +#define IGC_LSECRXOCTV 0x04320 /* Rx Octets Validated */ +#define IGC_LSECRXBAD 0x04324 /* Rx Bad Tag */ +#define IGC_LSECRXNOSCI 0x04328 /* Rx Packet No SCI Count */ +#define IGC_LSECRXUNSCI 0x0432C /* Rx Packet Unknown SCI Count */ +#define IGC_LSECRXUNCH 0x04330 /* Rx Unchecked Packets Count */ +#define IGC_LSECRXDELAY 0x04340 /* Rx Delayed Packet Count */ +#define IGC_LSECRXLATE 0x04350 /* Rx Late Packets Count */ +#define IGC_LSECRXOK(_n) (0x04360 + (0x04 * (_n))) /* Rx Pkt OK Cnt */ +#define IGC_LSECRXINV(_n) (0x04380 + (0x04 * (_n))) /* Rx Invalid Cnt */ +#define IGC_LSECRXNV(_n) (0x043A0 + (0x04 * (_n))) /* Rx Not Valid Cnt */ +#define IGC_LSECRXUNSA 0x043C0 /* Rx Unused SA Count */ +#define IGC_LSECRXNUSA 0x043D0 /* Rx Not Using SA Count */ +#define IGC_LSECTXCAP 0x0B000 /* Tx Capabilities Register - RO */ +#define IGC_LSECRXCAP 0x0B300 /* Rx Capabilities Register - RO */ +#define IGC_LSECTXCTRL 0x0B004 /* Tx Control - RW */ +#define IGC_LSECRXCTRL 0x0B304 /* Rx Control - RW */ +#define IGC_LSECTXSCL 0x0B008 /* Tx SCI Low - RW */ +#define IGC_LSECTXSCH 0x0B00C /* Tx SCI High - RW */ +#define IGC_LSECTXSA 0x0B010 /* Tx SA0 - RW */ +#define IGC_LSECTXPN0 0x0B018 /* Tx SA PN 0 - RW */ +#define IGC_LSECTXPN1 0x0B01C /* Tx SA PN 1 - RW */ +#define IGC_LSECRXSCL 0x0B3D0 /* Rx SCI Low - RW */ +#define IGC_LSECRXSCH 0x0B3E0 /* Rx SCI High - RW */ +/* LinkSec Tx 128-bit Key 0 - WO */ +#define IGC_LSECTXKEY0(_n) (0x0B020 + (0x04 * (_n))) +/* LinkSec Tx 128-bit Key 1 - WO */ +#define IGC_LSECTXKEY1(_n) (0x0B030 + (0x04 * (_n))) +#define IGC_LSECRXSA(_n) (0x0B310 + (0x04 * (_n))) /* Rx SAs - RW */ +#define IGC_LSECRXPN(_n) (0x0B330 + (0x04 * (_n))) /* Rx SAs - RW */ +/* LinkSec Rx Keys - where _n is the SA no. and _m the 4 dwords of the 128 bit + * key - RW. + */ +#define IGC_LSECRXKEY(_n, _m) (0x0B350 + (0x10 * (_n)) + (0x04 * (_m))) + +#define IGC_SSVPC 0x041A0 /* Switch Security Violation Pkt Cnt */ +#define IGC_IPSCTRL 0xB430 /* IpSec Control Register */ +#define IGC_IPSRXCMD 0x0B408 /* IPSec Rx Command Register - RW */ +#define IGC_IPSRXIDX 0x0B400 /* IPSec Rx Index - RW */ +/* IPSec Rx IPv4/v6 Address - RW */ +#define IGC_IPSRXIPADDR(_n) (0x0B420 + (0x04 * (_n))) +/* IPSec Rx 128-bit Key - RW */ +#define IGC_IPSRXKEY(_n) (0x0B410 + (0x04 * (_n))) +#define IGC_IPSRXSALT 0x0B404 /* IPSec Rx Salt - RW */ +#define IGC_IPSRXSPI 0x0B40C /* IPSec Rx SPI - RW */ +/* IPSec Tx 128-bit Key - RW */ +#define IGC_IPSTXKEY(_n) (0x0B460 + (0x04 * (_n))) +#define IGC_IPSTXSALT 0x0B454 /* IPSec Tx Salt - RW */ +#define IGC_IPSTXIDX 0x0B450 /* IPSec Tx SA IDX - RW */ +#define IGC_PCS_CFG0 0x04200 /* PCS Configuration 0 - RW */ +#define IGC_PCS_LCTL 0x04208 /* PCS Link Control - RW */ +#define IGC_PCS_LSTAT 0x0420C /* PCS Link Status - RO */ +#define IGC_CBTMPC 0x0402C /* Circuit Breaker Tx Packet Count */ +#define IGC_HTDPMC 0x0403C /* Host Transmit Discarded Packets */ +#define IGC_CBRDPC 0x04044 /* Circuit Breaker Rx Dropped Count */ +#define IGC_CBRMPC 0x040FC /* Circuit Breaker Rx Packet Count */ +#define IGC_RPTHC 0x04104 /* Rx Packets To Host */ +#define IGC_HGPTC 0x04118 /* Host Good Packets Tx Count */ +#define IGC_HTCBDPC 0x04124 /* Host Tx Circuit Breaker Dropped Count */ +#define IGC_HGORCL 0x04128 /* Host Good Octets Received Count Low */ +#define IGC_HGORCH 0x0412C /* Host Good Octets Received Count High */ +#define IGC_HGOTCL 0x04130 /* Host Good Octets Transmit Count Low */ +#define IGC_HGOTCH 0x04134 /* Host Good Octets Transmit Count High */ +#define IGC_LENERRS 0x04138 /* Length Errors Count */ +#define IGC_SCVPC 0x04228 /* SerDes/SGMII Code Violation Pkt Count */ +#define IGC_HRMPC 0x0A018 /* Header Redirection Missed Packet Count */ +#define IGC_PCS_ANADV 0x04218 /* AN advertisement - RW */ +#define IGC_PCS_LPAB 0x0421C /* Link Partner Ability - RW */ +#define IGC_PCS_NPTX 0x04220 /* AN Next Page Transmit - RW */ +#define IGC_PCS_LPABNP 0x04224 /* Link Partner Ability Next Pg - RW */ +#define IGC_RXCSUM 0x05000 /* Rx Checksum Control - RW */ +#define IGC_RLPML 0x05004 /* Rx Long Packet Max Length */ +#define IGC_RFCTL 0x05008 /* Receive Filter Control*/ +#define IGC_MTA 0x05200 /* Multicast Table Array - RW Array */ +#define IGC_RA 0x05400 /* Receive Address - RW Array */ +#define IGC_RA2 0x054E0 /* 2nd half of Rx address array - RW Array */ +#define IGC_VFTA 0x05600 /* VLAN Filter Table Array - RW Array */ +#define IGC_VT_CTL 0x0581C /* VMDq Control - RW */ +#define IGC_CIAA 0x05B88 /* Config Indirect Access Address - RW */ +#define IGC_CIAD 0x05B8C /* Config Indirect Access Data - RW */ +#define IGC_VFQA0 0x0B000 /* VLAN Filter Queue Array 0 - RW Array */ +#define IGC_VFQA1 0x0B200 /* VLAN Filter Queue Array 1 - RW Array */ +#define IGC_WUC 0x05800 /* Wakeup Control - RW */ +#define IGC_WUFC 0x05808 /* Wakeup Filter Control - RW */ +#define IGC_WUS 0x05810 /* Wakeup Status - RO */ +/* Management registers */ +#define IGC_MANC 0x05820 /* Management Control - RW */ +#define IGC_IPAV 0x05838 /* IP Address Valid - RW */ +#define IGC_IP4AT 0x05840 /* IPv4 Address Table - RW Array */ +#define IGC_IP6AT 0x05880 /* IPv6 Address Table - RW Array */ +#define IGC_WUPL 0x05900 /* Wakeup Packet Length - RW */ +#define IGC_WUPM 0x05A00 /* Wakeup Packet Memory - RO A */ +#define IGC_WUPM_EXT 0x0B800 /* Wakeup Packet Memory Extended - RO Array */ +#define IGC_WUFC_EXT 0x0580C /* Wakeup Filter Control Extended - RW */ +#define IGC_WUS_EXT 0x05814 /* Wakeup Status Extended - RW1C */ +#define IGC_FHFTSL 0x05804 /* Flex Filter Indirect Table Select - RW */ +#define IGC_PROXYFCEX 0x05590 /* Proxy Filter Control Extended - RW1C */ +#define IGC_PROXYEXS 0x05594 /* Proxy Extended Status - RO */ +#define IGC_WFUTPF 0x05500 /* Wake Flex UDP TCP Port Filter - RW Array */ +#define IGC_RFUTPF 0x05580 /* Range Flex UDP TCP Port Filter - RW */ +#define IGC_RWPFC 0x05584 /* Range Wake Port Filter Control - RW */ +#define IGC_WFUTPS 0x05588 /* Wake Filter UDP TCP Status - RW1C */ +#define IGC_WCS 0x0558C /* Wake Control Status - RW1C */ +/* MSI-X Table Register Descriptions */ +#define IGC_PBACL 0x05B68 /* MSIx PBA Clear - Read/Write 1's to clear */ +#define IGC_FFLT 0x05F00 /* Flexible Filter Length Table - RW Array */ +#define IGC_HOST_IF 0x08800 /* Host Interface */ +#define IGC_HIBBA 0x8F40 /* Host Interface Buffer Base Address */ +/* Flexible Host Filter Table */ +#define IGC_FHFT(_n) (0x09000 + ((_n) * 0x100)) +/* Ext Flexible Host Filter Table */ +#define IGC_FHFT_EXT(_n) (0x09A00 + ((_n) * 0x100)) + + +#define IGC_KMRNCTRLSTA 0x00034 /* MAC-PHY interface - RW */ +#define IGC_MANC2H 0x05860 /* Management Control To Host - RW */ +/* Management Decision Filters */ +#define IGC_MDEF(_n) (0x05890 + (4 * (_n))) +/* Semaphore registers */ +#define IGC_SW_FW_SYNC 0x05B5C /* SW-FW Synchronization - RW */ +#define IGC_CCMCTL 0x05B48 /* CCM Control Register */ +#define IGC_GIOCTL 0x05B44 /* GIO Analog Control Register */ +#define IGC_SCCTL 0x05B4C /* PCIc PLL Configuration Register */ +/* PCIe Register Description */ +#define IGC_GCR 0x05B00 /* PCI-Ex Control */ +#define IGC_GCR2 0x05B64 /* PCI-Ex Control #2 */ +#define IGC_GSCL_1 0x05B10 /* PCI-Ex Statistic Control #1 */ +#define IGC_GSCL_2 0x05B14 /* PCI-Ex Statistic Control #2 */ +#define IGC_GSCL_3 0x05B18 /* PCI-Ex Statistic Control #3 */ +#define IGC_GSCL_4 0x05B1C /* PCI-Ex Statistic Control #4 */ +/* Function Active and Power State to MNG */ +#define IGC_FACTPS 0x05B30 +#define IGC_SWSM 0x05B50 /* SW Semaphore */ +#define IGC_FWSM 0x05B54 /* FW Semaphore */ +/* Driver-only SW semaphore (not used by BOOT agents) */ +#define IGC_SWSM2 0x05B58 +#define IGC_DCA_ID 0x05B70 /* DCA Requester ID Information - RO */ +#define IGC_DCA_CTRL 0x05B74 /* DCA Control - RW */ +#define IGC_UFUSE 0x05B78 /* UFUSE - RO */ +#define IGC_FFLT_DBG 0x05F04 /* Debug Register */ +#define IGC_HICR 0x08F00 /* Host Interface Control */ +#define IGC_FWSTS 0x08F0C /* FW Status */ + +/* RSS registers */ +#define IGC_CPUVEC 0x02C10 /* CPU Vector Register - RW */ +#define IGC_MRQC 0x05818 /* Multiple Receive Control - RW */ +#define IGC_IMIR(_i) (0x05A80 + ((_i) * 4)) /* Immediate Interrupt */ +#define IGC_IMIREXT(_i) (0x05AA0 + ((_i) * 4)) /* Immediate INTR Ext*/ +#define IGC_IMIRVP 0x05AC0 /* Immediate INT Rx VLAN Priority -RW */ +#define IGC_MSIXBM(_i) (0x01600 + ((_i) * 4)) /* MSI-X Alloc Reg -RW */ +/* Redirection Table - RW Array */ +#define IGC_RETA(_i) (0x05C00 + ((_i) * 4)) +/* RSS Random Key - RW Array */ +#define IGC_RSSRK(_i) (0x05C80 + ((_i) * 4)) +#define IGC_RSSIM 0x05864 /* RSS Interrupt Mask */ +#define IGC_RSSIR 0x05868 /* RSS Interrupt Request */ +#define IGC_UTA 0x0A000 /* Unicast Table Array - RW */ +/* VT Registers */ +#define IGC_SWPBS 0x03004 /* Switch Packet Buffer Size - RW */ +#define IGC_MBVFICR 0x00C80 /* Mailbox VF Cause - RWC */ +#define IGC_MBVFIMR 0x00C84 /* Mailbox VF int Mask - RW */ +#define IGC_VFLRE 0x00C88 /* VF Register Events - RWC */ +#define IGC_VFRE 0x00C8C /* VF Receive Enables */ +#define IGC_VFTE 0x00C90 /* VF Transmit Enables */ +#define IGC_QDE 0x02408 /* Queue Drop Enable - RW */ +#define IGC_DTXSWC 0x03500 /* DMA Tx Switch Control - RW */ +#define IGC_WVBR 0x03554 /* VM Wrong Behavior - RWS */ +#define IGC_RPLOLR 0x05AF0 /* Replication Offload - RW */ +#define IGC_IOVTCL 0x05BBC /* IOV Control Register */ +#define IGC_VMRCTL 0X05D80 /* Virtual Mirror Rule Control */ +#define IGC_VMRVLAN 0x05D90 /* Virtual Mirror Rule VLAN */ +#define IGC_VMRVM 0x05DA0 /* Virtual Mirror Rule VM */ +#define IGC_MDFB 0x03558 /* Malicious Driver free block */ +#define IGC_LVMMC 0x03548 /* Last VM Misbehavior cause */ +#define IGC_TXSWC 0x05ACC /* Tx Switch Control */ +#define IGC_SCCRL 0x05DB0 /* Storm Control Control */ +#define IGC_BSCTRH 0x05DB8 /* Broadcast Storm Control Threshold */ +#define IGC_MSCTRH 0x05DBC /* Multicast Storm Control Threshold */ +/* These act per VF so an array friendly macro is used */ +#define IGC_V2PMAILBOX(_n) (0x00C40 + (4 * (_n))) +#define IGC_P2VMAILBOX(_n) (0x00C00 + (4 * (_n))) +#define IGC_VMBMEM(_n) (0x00800 + (64 * (_n))) +#define IGC_VFVMBMEM(_n) (0x00800 + (_n)) +#define IGC_VMOLR(_n) (0x05AD0 + (4 * (_n))) +/* VLAN Virtual Machine Filter - RW */ +#define IGC_VLVF(_n) (0x05D00 + (4 * (_n))) +#define IGC_VMVIR(_n) (0x03700 + (4 * (_n))) +#define IGC_DVMOLR(_n) (0x0C038 + (0x40 * (_n))) /* DMA VM offload */ +#define IGC_VTCTRL(_n) (0x10000 + (0x100 * (_n))) /* VT Control */ +#define IGC_TSYNCRXCTL 0x0B620 /* Rx Time Sync Control register - RW */ +#define IGC_TSYNCTXCTL 0x0B614 /* Tx Time Sync Control register - RW */ +#define IGC_TSYNCRXCFG 0x05F50 /* Time Sync Rx Configuration - RW */ +#define IGC_RXSTMPL 0x0B624 /* Rx timestamp Low - RO */ +#define IGC_RXSTMPH 0x0B628 /* Rx timestamp High - RO */ +#define IGC_RXSATRL 0x0B62C /* Rx timestamp attribute low - RO */ +#define IGC_RXSATRH 0x0B630 /* Rx timestamp attribute high - RO */ +#define IGC_TXSTMPL 0x0B618 /* Tx timestamp value Low - RO */ +#define IGC_TXSTMPH 0x0B61C /* Tx timestamp value High - RO */ +#define IGC_SYSTIML 0x0B600 /* System time register Low - RO */ +#define IGC_SYSTIMH 0x0B604 /* System time register High - RO */ +#define IGC_TIMINCA 0x0B608 /* Increment attributes register - RW */ +#define IGC_TIMADJL 0x0B60C /* Time sync time adjustment offset Low - RW */ +#define IGC_TIMADJH 0x0B610 /* Time sync time adjustment offset High - RW */ +#define IGC_TSAUXC 0x0B640 /* Timesync Auxiliary Control register */ +#define IGC_SYSSTMPL 0x0B648 /* HH Timesync system stamp low register */ +#define IGC_SYSSTMPH 0x0B64C /* HH Timesync system stamp hi register */ +#define IGC_PLTSTMPL 0x0B640 /* HH Timesync platform stamp low register */ +#define IGC_PLTSTMPH 0x0B644 /* HH Timesync platform stamp hi register */ +#define IGC_SYSTIMR 0x0B6F8 /* System time register Residue */ +#define IGC_TSICR 0x0B66C /* Interrupt Cause Register */ +#define IGC_TSIM 0x0B674 /* Interrupt Mask Register */ +#define IGC_RXMTRL 0x0B634 /* Time sync Rx EtherType and Msg Type - RW */ +#define IGC_RXUDP 0x0B638 /* Time Sync Rx UDP Port - RW */ + +/* Filtering Registers */ +#define IGC_SAQF(_n) (0x05980 + (4 * (_n))) /* Source Address Queue Fltr */ +#define IGC_DAQF(_n) (0x059A0 + (4 * (_n))) /* Dest Address Queue Fltr */ +#define IGC_SPQF(_n) (0x059C0 + (4 * (_n))) /* Source Port Queue Fltr */ +#define IGC_FTQF(_n) (0x059E0 + (4 * (_n))) /* 5-tuple Queue Fltr */ +#define IGC_TTQF(_n) (0x059E0 + (4 * (_n))) /* 2-tuple Queue Fltr */ +#define IGC_SYNQF(_n) (0x055FC + (4 * (_n))) /* SYN Packet Queue Fltr */ +#define IGC_ETQF(_n) (0x05CB0 + (4 * (_n))) /* EType Queue Fltr */ + +#define IGC_RTTDCS 0x3600 /* Reedtown Tx Desc plane control and status */ +#define IGC_RTTPCS 0x3474 /* Reedtown Tx Packet Plane control and status */ +#define IGC_RTRPCS 0x2474 /* Rx packet plane control and status */ +#define IGC_RTRUP2TC 0x05AC4 /* Rx User Priority to Traffic Class */ +#define IGC_RTTUP2TC 0x0418 /* Transmit User Priority to Traffic Class */ +/* Tx Desc plane TC Rate-scheduler config */ +#define IGC_RTTDTCRC(_n) (0x3610 + ((_n) * 4)) +/* Tx Packet plane TC Rate-Scheduler Config */ +#define IGC_RTTPTCRC(_n) (0x3480 + ((_n) * 4)) +/* Rx Packet plane TC Rate-Scheduler Config */ +#define IGC_RTRPTCRC(_n) (0x2480 + ((_n) * 4)) +/* Tx Desc Plane TC Rate-Scheduler Status */ +#define IGC_RTTDTCRS(_n) (0x3630 + ((_n) * 4)) +/* Tx Desc Plane TC Rate-Scheduler MMW */ +#define IGC_RTTDTCRM(_n) (0x3650 + ((_n) * 4)) +/* Tx Packet plane TC Rate-Scheduler Status */ +#define IGC_RTTPTCRS(_n) (0x34A0 + ((_n) * 4)) +/* Tx Packet plane TC Rate-scheduler MMW */ +#define IGC_RTTPTCRM(_n) (0x34C0 + ((_n) * 4)) +/* Rx Packet plane TC Rate-Scheduler Status */ +#define IGC_RTRPTCRS(_n) (0x24A0 + ((_n) * 4)) +/* Rx Packet plane TC Rate-Scheduler MMW */ +#define IGC_RTRPTCRM(_n) (0x24C0 + ((_n) * 4)) +/* Tx Desc plane VM Rate-Scheduler MMW*/ +#define IGC_RTTDVMRM(_n) (0x3670 + ((_n) * 4)) +/* Tx BCN Rate-Scheduler MMW */ +#define IGC_RTTBCNRM(_n) (0x3690 + ((_n) * 4)) +#define IGC_RTTDQSEL 0x3604 /* Tx Desc Plane Queue Select */ +#define IGC_RTTDVMRC 0x3608 /* Tx Desc Plane VM Rate-Scheduler Config */ +#define IGC_RTTDVMRS 0x360C /* Tx Desc Plane VM Rate-Scheduler Status */ +#define IGC_RTTBCNRC 0x36B0 /* Tx BCN Rate-Scheduler Config */ +#define IGC_RTTBCNRS 0x36B4 /* Tx BCN Rate-Scheduler Status */ +#define IGC_RTTBCNCR 0xB200 /* Tx BCN Control Register */ +#define IGC_RTTBCNTG 0x35A4 /* Tx BCN Tagging */ +#define IGC_RTTBCNCP 0xB208 /* Tx BCN Congestion point */ +#define IGC_RTRBCNCR 0xB20C /* Rx BCN Control Register */ +#define IGC_RTTBCNRD 0x36B8 /* Tx BCN Rate Drift */ +#define IGC_PFCTOP 0x1080 /* Priority Flow Control Type and Opcode */ +#define IGC_RTTBCNIDX 0xB204 /* Tx BCN Congestion Point */ +#define IGC_RTTBCNACH 0x0B214 /* Tx BCN Control High */ +#define IGC_RTTBCNACL 0x0B210 /* Tx BCN Control Low */ + +/* DMA Coalescing registers */ +#define IGC_DMACR 0x02508 /* Control Register */ +#define IGC_DMCTXTH 0x03550 /* Transmit Threshold */ +#define IGC_DMCTLX 0x02514 /* Time to Lx Request */ +#define IGC_DMCRTRH 0x05DD0 /* Receive Packet Rate Threshold */ +#define IGC_DMCCNT 0x05DD4 /* Current Rx Count */ +#define IGC_FCRTC 0x02170 /* Flow Control Rx high watermark */ +#define IGC_PCIEMISC 0x05BB8 /* PCIE misc config register */ + +/* PCIe Parity Status Register */ +#define IGC_PCIEERRSTS 0x05BA8 + +#define IGC_PROXYS 0x5F64 /* Proxying Status */ +#define IGC_PROXYFC 0x5F60 /* Proxying Filter Control */ +/* Thermal sensor configuration and status registers */ +#define IGC_THMJT 0x08100 /* Junction Temperature */ +#define IGC_THLOWTC 0x08104 /* Low Threshold Control */ +#define IGC_THMIDTC 0x08108 /* Mid Threshold Control */ +#define IGC_THHIGHTC 0x0810C /* High Threshold Control */ +#define IGC_THSTAT 0x08110 /* Thermal Sensor Status */ + +/* Energy Efficient Ethernet "EEE" registers */ +#define IGC_IPCNFG 0x0E38 /* Internal PHY Configuration */ +#define IGC_LTRC 0x01A0 /* Latency Tolerance Reporting Control */ +#define IGC_EEER 0x0E30 /* Energy Efficient Ethernet "EEE"*/ +#define IGC_EEE_SU 0x0E34 /* EEE Setup */ +#define IGC_EEE_SU_2P5 0x0E3C /* EEE 2.5G Setup */ +#define IGC_TLPIC 0x4148 /* EEE Tx LPI Count - TLPIC */ +#define IGC_RLPIC 0x414C /* EEE Rx LPI Count - RLPIC */ + +/* OS2BMC Registers */ +#define IGC_B2OSPC 0x08FE0 /* BMC2OS packets sent by BMC */ +#define IGC_B2OGPRC 0x04158 /* BMC2OS packets received by host */ +#define IGC_O2BGPTC 0x08FE4 /* OS2BMC packets received by BMC */ +#define IGC_O2BSPC 0x0415C /* OS2BMC packets transmitted by host */ + +#define IGC_LTRMINV 0x5BB0 /* LTR Minimum Value */ +#define IGC_LTRMAXV 0x5BB4 /* LTR Maximum Value */ + + +/* IEEE 1588 TIMESYNCH */ +#define IGC_TRGTTIML0 0x0B644 /* Target Time Register 0 Low - RW */ +#define IGC_TRGTTIMH0 0x0B648 /* Target Time Register 0 High - RW */ +#define IGC_TRGTTIML1 0x0B64C /* Target Time Register 1 Low - RW */ +#define IGC_TRGTTIMH1 0x0B650 /* Target Time Register 1 High - RW */ +#define IGC_FREQOUT0 0x0B654 /* Frequency Out 0 Control Register - RW */ +#define IGC_FREQOUT1 0x0B658 /* Frequency Out 1 Control Register - RW */ +#define IGC_TSSDP 0x0003C /* Time Sync SDP Configuration Register - RW */ + +#define IGC_LTRC_EEEMS_EN (1 << 5) +#define IGC_TW_SYSTEM_100_MASK 0xff00 +#define IGC_TW_SYSTEM_100_SHIFT 8 +#define IGC_TW_SYSTEM_1000_MASK 0xff +#define IGC_LTRMINV_SCALE_1024 0x02 +#define IGC_LTRMINV_SCALE_32768 0x03 +#define IGC_LTRMAXV_SCALE_1024 0x02 +#define IGC_LTRMAXV_SCALE_32768 0x03 +#define IGC_LTRMINV_LTRV_MASK 0x1ff +#define IGC_LTRMINV_LSNP_REQ 0x80 +#define IGC_LTRMINV_SCALE_SHIFT 10 +#define IGC_LTRMAXV_LTRV_MASK 0x1ff +#define IGC_LTRMAXV_LSNP_REQ 0x80 +#define IGC_LTRMAXV_SCALE_SHIFT 10 + +#define IGC_MRQC_ENABLE_MASK 0x00000007 +#define IGC_MRQC_RSS_FIELD_IPV6_EX 0x00080000 +#define IGC_RCTL_DTYP_MASK 0x00000C00 /* Descriptor type mask */ + +#endif diff --git a/drivers/net/igc/base/meson.build b/drivers/net/igc/base/meson.build new file mode 100644 index 0000000000..299985180e --- /dev/null +++ b/drivers/net/igc/base/meson.build @@ -0,0 +1,18 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2019-2020 Intel Corporation + +sources = [ + 'igc_api.c', + 'igc_base.c', + 'igc_i225.c', + 'igc_mac.c', + 'igc_manage.c', + 'igc_nvm.c', + 'igc_osdep.c', + 'igc_phy.c', +] + +base_lib = static_library('igc_base', sources, + dependencies: static_rte_eal) + +base_objs = base_lib.extract_all_objects() diff --git a/drivers/net/igc/igc_ethdev.c b/drivers/net/igc/igc_ethdev.c index c590ab2eee..f23543edd2 100644 --- a/drivers/net/igc/igc_ethdev.c +++ b/drivers/net/igc/igc_ethdev.c @@ -14,11 +14,8 @@ #include "igc_ethdev.h" #define IGC_INTEL_VENDOR_ID 0x8086 -#define IGC_DEV_ID_I225_LM 0x15F2 -#define IGC_DEV_ID_I225_V 0x15F3 -#define IGC_DEV_ID_I225_K 0x3100 -#define IGC_DEV_ID_I225_I 0x15F8 -#define IGC_DEV_ID_I220_V 0x15F7 + +#define IGC_FC_PAUSE_TIME 0x0680 static const struct rte_pci_id pci_id_igc_map[] = { { RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, IGC_DEV_ID_I225_LM) }, @@ -86,6 +83,90 @@ eth_igc_stop(struct rte_eth_dev *dev) RTE_SET_USED(dev); } +/* + * Get hardware rx-buffer size. + */ +static inline int +igc_get_rx_buffer_size(struct igc_hw *hw) +{ + return (IGC_READ_REG(hw, IGC_RXPBS) & 0x3f) << 10; +} + +/* + * igc_hw_control_acquire sets CTRL_EXT:DRV_LOAD bit. + * For ASF and Pass Through versions of f/w this means + * that the driver is loaded. + */ +static void +igc_hw_control_acquire(struct igc_hw *hw) +{ + uint32_t ctrl_ext; + + /* Let firmware know the driver has taken over */ + ctrl_ext = IGC_READ_REG(hw, IGC_CTRL_EXT); + IGC_WRITE_REG(hw, IGC_CTRL_EXT, ctrl_ext | IGC_CTRL_EXT_DRV_LOAD); +} + +/* + * igc_hw_control_release resets CTRL_EXT:DRV_LOAD bit. + * For ASF and Pass Through versions of f/w this means that the + * driver is no longer loaded. + */ +static void +igc_hw_control_release(struct igc_hw *hw) +{ + uint32_t ctrl_ext; + + /* Let firmware taken over control of h/w */ + ctrl_ext = IGC_READ_REG(hw, IGC_CTRL_EXT); + IGC_WRITE_REG(hw, IGC_CTRL_EXT, + ctrl_ext & ~IGC_CTRL_EXT_DRV_LOAD); +} + +static int +igc_hardware_init(struct igc_hw *hw) +{ + uint32_t rx_buf_size; + int diag; + + /* Let the firmware know the OS is in control */ + igc_hw_control_acquire(hw); + + /* Issue a global reset */ + igc_reset_hw(hw); + + /* disable all wake up */ + IGC_WRITE_REG(hw, IGC_WUC, 0); + + /* + * Hardware flow control + * - High water mark should allow for at least two standard size (1518) + * frames to be received after sending an XOFF. + * - Low water mark works best when it is very near the high water mark. + * This allows the receiver to restart by sending XON when it has + * drained a bit. Here we use an arbitrary value of 1500 which will + * restart after one full frame is pulled from the buffer. There + * could be several smaller frames in the buffer and if so they will + * not trigger the XON until their total number reduces the buffer + * by 1500. + */ + rx_buf_size = igc_get_rx_buffer_size(hw); + hw->fc.high_water = rx_buf_size - (RTE_ETHER_MAX_LEN * 2); + hw->fc.low_water = hw->fc.high_water - 1500; + hw->fc.pause_time = IGC_FC_PAUSE_TIME; + hw->fc.send_xon = 1; + hw->fc.requested_mode = igc_fc_full; + + diag = igc_init_hw(hw); + if (diag < 0) + return diag; + + igc_get_phy_info(hw); + igc_check_for_link(hw); + + return 0; +} + static int eth_igc_start(struct rte_eth_dev *dev) { @@ -94,17 +175,91 @@ eth_igc_start(struct rte_eth_dev *dev) return 0; } +static int +igc_reset_swfw_lock(struct igc_hw *hw) +{ + int ret_val; + + /* + * Do mac ops initialization manually here, since we will need + * some function pointers set by this call. + */ + ret_val = igc_init_mac_params(hw); + if (ret_val) + return ret_val; + + /* + * SMBI lock should not fail in this early stage. If this is the case, + * it is due to an improper exit of the application. + * So force the release of the faulty lock. + */ + if (igc_get_hw_semaphore_generic(hw) < 0) + PMD_DRV_LOG(DEBUG, "SMBI lock released"); + + igc_put_hw_semaphore_generic(hw); + + if (hw->mac.ops.acquire_swfw_sync != NULL) { + uint16_t mask; + + /* + * Phy lock should not fail in this early stage. + * If this is the case, it is due to an improper exit of the + * application. So force the release of the faulty lock. + */ + mask = IGC_SWFW_PHY0_SM; + if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) { + PMD_DRV_LOG(DEBUG, "SWFW phy%d lock released", + hw->bus.func); + } + hw->mac.ops.release_swfw_sync(hw, mask); + + /* + * This one is more tricky since it is common to all ports; but + * swfw_sync retries last long enough (1s) to be almost sure + * that if lock can not be taken it is due to an improper lock + * of the semaphore. + */ + mask = IGC_SWFW_EEP_SM; + if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) + PMD_DRV_LOG(DEBUG, "SWFW common locks released"); + + hw->mac.ops.release_swfw_sync(hw, mask); + } + + return IGC_SUCCESS; +} + static void eth_igc_close(struct rte_eth_dev *dev) { + struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev); + PMD_INIT_FUNC_TRACE(); - RTE_SET_USED(dev); + + igc_phy_hw_reset(hw); + igc_hw_control_release(hw); + + /* Reset any pending lock */ + igc_reset_swfw_lock(hw); +} + +static void +igc_identify_hardware(struct rte_eth_dev *dev, struct rte_pci_device *pci_dev) +{ + struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev); + + hw->vendor_id = pci_dev->id.vendor_id; + hw->device_id = pci_dev->id.device_id; + hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; + hw->subsystem_device_id = pci_dev->id.subsystem_device_id; } static int eth_igc_dev_init(struct rte_eth_dev *dev) { struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); + struct igc_hw *hw = IGC_DEV_PRIVATE_HW(dev); + int error = 0; PMD_INIT_FUNC_TRACE(); dev->dev_ops = ð_igc_ops; @@ -117,12 +272,90 @@ eth_igc_dev_init(struct rte_eth_dev *dev) if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0; + rte_eth_copy_pci_info(dev, pci_dev); + + hw->back = pci_dev; + hw->hw_addr = (void *)pci_dev->mem_resource[0].addr; + + igc_identify_hardware(dev, pci_dev); + if (igc_setup_init_funcs(hw, false) != IGC_SUCCESS) { + error = -EIO; + goto err_late; + } + + igc_get_bus_info(hw); + + /* Reset any pending lock */ + if (igc_reset_swfw_lock(hw) != IGC_SUCCESS) { + error = -EIO; + goto err_late; + } + + /* Finish initialization */ + if (igc_setup_init_funcs(hw, true) != IGC_SUCCESS) { + error = -EIO; + goto err_late; + } + + hw->mac.autoneg = 1; + hw->phy.autoneg_wait_to_complete = 0; + hw->phy.autoneg_advertised = IGC_ALL_SPEED_DUPLEX_2500; + + /* Copper options */ + if (hw->phy.media_type == igc_media_type_copper) { + hw->phy.mdix = 0; /* AUTO_ALL_MODES */ + hw->phy.disable_polarity_correction = 0; + hw->phy.ms_type = igc_ms_hw_default; + } + + /* + * Start from a known state, this is important in reading the nvm + * and mac from that. + */ + igc_reset_hw(hw); + + /* Make sure we have a good EEPROM before we read from it */ + if (igc_validate_nvm_checksum(hw) < 0) { + /* + * Some PCI-E parts fail the first check due to + * the link being in sleep state, call it again, + * if it fails a second time its a real issue. + */ + if (igc_validate_nvm_checksum(hw) < 0) { + PMD_INIT_LOG(ERR, "EEPROM checksum invalid"); + error = -EIO; + goto err_late; + } + } + + /* Read the permanent MAC address out of the EEPROM */ + if (igc_read_mac_addr(hw) != 0) { + PMD_INIT_LOG(ERR, "EEPROM error while reading MAC address"); + error = -EIO; + goto err_late; + } + + /* Allocate memory for storing MAC addresses */ dev->data->mac_addrs = rte_zmalloc("igc", - RTE_ETHER_ADDR_LEN, 0); + RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count, 0); if (dev->data->mac_addrs == NULL) { PMD_INIT_LOG(ERR, "Failed to allocate %d bytes for storing MAC", - RTE_ETHER_ADDR_LEN); - return -ENOMEM; + RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count); + error = -ENOMEM; + goto err_late; + } + + /* Copy the permanent MAC address */ + rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr, + &dev->data->mac_addrs[0]); + + /* Now initialize the hardware */ + if (igc_hardware_init(hw) != 0) { + PMD_INIT_LOG(ERR, "Hardware initialization failed"); + rte_free(dev->data->mac_addrs); + dev->data->mac_addrs = NULL; + error = -ENODEV; + goto err_late; } /* Pass the information to the rte_eth_dev_close() that it should also @@ -130,11 +363,22 @@ eth_igc_dev_init(struct rte_eth_dev *dev) */ dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; + hw->mac.get_link_status = 1; + + /* Indicate SOL/IDER usage */ + if (igc_check_reset_block(hw) < 0) + PMD_INIT_LOG(ERR, + "PHY reset is blocked due to SOL/IDER session."); + PMD_INIT_LOG(DEBUG, "port_id %d vendorID=0x%x deviceID=0x%x", dev->data->port_id, pci_dev->id.vendor_id, pci_dev->id.device_id); return 0; + +err_late: + igc_hw_control_release(hw); + return error; } static int @@ -224,7 +468,8 @@ eth_igc_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, struct rte_pci_device *pci_dev) { PMD_INIT_FUNC_TRACE(); - return rte_eth_dev_pci_generic_probe(pci_dev, 0, eth_igc_dev_init); + return rte_eth_dev_pci_generic_probe(pci_dev, + sizeof(struct igc_adapter), eth_igc_dev_init); } static int diff --git a/drivers/net/igc/igc_ethdev.h b/drivers/net/igc/igc_ethdev.h index d696b6e604..4cff0e3e42 100644 --- a/drivers/net/igc/igc_ethdev.h +++ b/drivers/net/igc/igc_ethdev.h @@ -5,12 +5,31 @@ #ifndef _IGC_ETHDEV_H_ #define _IGC_ETHDEV_H_ +#include + +#include "base/igc_osdep.h" +#include "base/igc_hw.h" +#include "base/igc_i225.h" +#include "base/igc_api.h" + #ifdef __cplusplus extern "C" { #endif #define IGC_QUEUE_PAIRS_NUM 4 +/* + * Structure to store private data for each driver instance (for each port). + */ +struct igc_adapter { + struct igc_hw hw; +}; + +#define IGC_DEV_PRIVATE(_dev) ((_dev)->data->dev_private) + +#define IGC_DEV_PRIVATE_HW(_dev) \ + (&((struct igc_adapter *)(_dev)->data->dev_private)->hw) + #ifdef __cplusplus } #endif diff --git a/drivers/net/igc/meson.build b/drivers/net/igc/meson.build index 22dd1cfbb1..aa211d6a56 100644 --- a/drivers/net/igc/meson.build +++ b/drivers/net/igc/meson.build @@ -1,7 +1,12 @@ # SPDX-License-Identifier: BSD-3-Clause # Copyright(c) 2019-2020 Intel Corporation +subdir('base') +objs = [base_objs] + sources = files( 'igc_logs.c', 'igc_ethdev.c' ) + +includes += include_directories('base') -- 2.20.1