X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fixgbe%2Fbase%2Fixgbe_x550.c;h=f2e885cfaaedfccbdf12bb52a461d1e2b818712c;hb=607599ae9915841b10a75fea8a35bc84559abe54;hp=f129e8cc49ccb26929fb9d01ffadbbf471034535;hpb=fc0559bdb5e3f0171c73e48665a872800c5de99b;p=dpdk.git diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c index f129e8cc49..f2e885cfaa 100644 --- a/drivers/net/ixgbe/base/ixgbe_x550.c +++ b/drivers/net/ixgbe/base/ixgbe_x550.c @@ -39,8 +39,8 @@ POSSIBILITY OF SUCH DAMAGE. #include "ixgbe_phy.h" STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed); -static s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *, u32 mask); -static void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *, u32 mask); +STATIC s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *, u32 mask); +STATIC void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *, u32 mask); /** * ixgbe_init_ops_X550 - Inits func ptrs and MAC type @@ -329,36 +329,95 @@ STATIC void ixgbe_setup_mux_ctl(struct ixgbe_hw *hw) } /** - * ixgbe_identify_phy_1g - Get 1g PHY type based on device id + * ixgbe_read_phy_reg_mdi_22 - Read from a clause 22 PHY register without lock * @hw: pointer to hardware structure - * - * Returns error code + * @reg_addr: 32 bit address of PHY register to read + * @dev_type: always unused + * @phy_data: Pointer to read data from PHY register */ -static s32 ixgbe_identify_phy_1g(struct ixgbe_hw *hw) +STATIC s32 ixgbe_read_phy_reg_mdi_22(struct ixgbe_hw *hw, u32 reg_addr, + u32 dev_type, u16 *phy_data) { - u16 phy_id_high; - u16 phy_id_low; - u32 val = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL); + u32 i, data, command; + UNREFERENCED_1PARAMETER(dev_type); - hw->phy.addr = (val >> 3) & 0x1F; - val = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_ID_HIGH, - hw->phy.addr, &phy_id_high); - if (val || phy_id_high == 0xFFFF) { - hw->phy.type = ixgbe_phy_sgmii; - return 0; + /* Setup and write the read command */ + command = (reg_addr << IXGBE_MSCA_DEV_TYPE_SHIFT) | + (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) | + IXGBE_MSCA_OLD_PROTOCOL | IXGBE_MSCA_READ_AUTOINC | + IXGBE_MSCA_MDI_COMMAND; + + IXGBE_WRITE_REG(hw, IXGBE_MSCA, command); + + /* Check every 10 usec to see if the access completed. + * The MDI Command bit will clear when the operation is + * complete + */ + for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) { + usec_delay(10); + + command = IXGBE_READ_REG(hw, IXGBE_MSCA); + if (!(command & IXGBE_MSCA_MDI_COMMAND)) + break; } - val = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_ID_LOW, - hw->phy.addr, &phy_id_low); - if (val) - return val; + if (command & IXGBE_MSCA_MDI_COMMAND) { + ERROR_REPORT1(IXGBE_ERROR_POLLING, + "PHY read command did not complete.\n"); + return IXGBE_ERR_PHY; + } - hw->phy.id = (u32)phy_id_high << 16; - hw->phy.id |= phy_id_low & IXGBE_PHY_REVISION_MASK; - hw->phy.revision = (u32)phy_id_low & ~IXGBE_PHY_REVISION_MASK; - hw->phy.type = ixgbe_phy_m88; + /* Read operation is complete. Get the data from MSRWD */ + data = IXGBE_READ_REG(hw, IXGBE_MSRWD); + data >>= IXGBE_MSRWD_READ_DATA_SHIFT; + *phy_data = (u16)data; - return 0; + return IXGBE_SUCCESS; +} + +/** + * ixgbe_write_phy_reg_mdi_22 - Write to a clause 22 PHY register without lock + * @hw: pointer to hardware structure + * @reg_addr: 32 bit PHY register to write + * @dev_type: always unused + * @phy_data: Data to write to the PHY register + */ +STATIC s32 ixgbe_write_phy_reg_mdi_22(struct ixgbe_hw *hw, u32 reg_addr, + u32 dev_type, u16 phy_data) +{ + u32 i, command; + UNREFERENCED_1PARAMETER(dev_type); + + /* Put the data in the MDI single read and write data register*/ + IXGBE_WRITE_REG(hw, IXGBE_MSRWD, (u32)phy_data); + + /* Setup and write the write command */ + command = (reg_addr << IXGBE_MSCA_DEV_TYPE_SHIFT) | + (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) | + IXGBE_MSCA_OLD_PROTOCOL | IXGBE_MSCA_WRITE | + IXGBE_MSCA_MDI_COMMAND; + + IXGBE_WRITE_REG(hw, IXGBE_MSCA, command); + + /* Check every 10 usec to see if the access completed. + * The MDI Command bit will clear when the operation is + * complete + */ + for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) { + usec_delay(10); + + command = IXGBE_READ_REG(hw, IXGBE_MSCA); + if (!(command & IXGBE_MSCA_MDI_COMMAND)) + break; + } + + if (command & IXGBE_MSCA_MDI_COMMAND) { + ERROR_REPORT1(IXGBE_ERROR_POLLING, + "PHY write cmd didn't complete\n"); + return IXGBE_ERR_PHY; + } + + return IXGBE_SUCCESS; } /** @@ -371,7 +430,8 @@ STATIC s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw) { switch (hw->device_id) { case IXGBE_DEV_ID_X550EM_A_SFP: - hw->phy.phy_semaphore_mask = IXGBE_GSSR_TOKEN_SM; + hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a; + hw->phy.ops.write_reg = ixgbe_write_phy_reg_x550a; if (hw->bus.lan_id) hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM; else @@ -395,13 +455,15 @@ STATIC s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw) case IXGBE_DEV_ID_X550EM_A_KR_L: hw->phy.type = ixgbe_phy_x550em_kr; break; - case IXGBE_DEV_ID_X550EM_X_1G_T: - case IXGBE_DEV_ID_X550EM_X_10G_T: case IXGBE_DEV_ID_X550EM_A_10G_T: - return ixgbe_identify_phy_generic(hw); + hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a; + hw->phy.ops.write_reg = ixgbe_write_phy_reg_x550a; + /* Fallthrough to ixgbe_identify_phy_generic */ case IXGBE_DEV_ID_X550EM_A_1G_T: case IXGBE_DEV_ID_X550EM_A_1G_T_L: - return ixgbe_identify_phy_1g(hw); + case IXGBE_DEV_ID_X550EM_X_1G_T: + case IXGBE_DEV_ID_X550EM_X_10G_T: + return ixgbe_identify_phy_generic(hw); default: break; } @@ -431,7 +493,7 @@ STATIC s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr, * * Returns an error code on error. **/ -static s32 ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr, +STATIC s32 ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 *val) { return ixgbe_read_i2c_combined_generic_int(hw, addr, reg, val, true); @@ -446,7 +508,7 @@ static s32 ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr, * * Returns an error code on error. **/ -static s32 +STATIC s32 ixgbe_read_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 *val) { @@ -462,7 +524,7 @@ ixgbe_read_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr, * * Returns an error code on error. **/ -static s32 ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw, +STATIC s32 ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 val) { return ixgbe_write_i2c_combined_generic_int(hw, addr, reg, val, true); @@ -477,7 +539,7 @@ static s32 ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw, * * Returns an error code on error. **/ -static s32 +STATIC s32 ixgbe_write_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 val) { @@ -496,7 +558,6 @@ s32 ixgbe_init_ops_X550EM(struct ixgbe_hw *hw) struct ixgbe_mac_info *mac = &hw->mac; struct ixgbe_eeprom_info *eeprom = &hw->eeprom; struct ixgbe_phy_info *phy = &hw->phy; - struct ixgbe_link_info *link = &hw->link; s32 ret_val; DEBUGFUNC("ixgbe_init_ops_X550EM"); @@ -532,25 +593,6 @@ s32 ixgbe_init_ops_X550EM(struct ixgbe_hw *hw) hw->bus.type = ixgbe_bus_type_internal; mac->ops.get_bus_info = ixgbe_get_bus_info_X550em; - if (hw->mac.type == ixgbe_mac_X550EM_x) { - mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550; - mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550; - mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550em; - mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550em; - link->ops.read_link = ixgbe_read_i2c_combined_generic; - link->ops.read_link_unlocked = - ixgbe_read_i2c_combined_generic_unlocked; - link->ops.write_link = ixgbe_write_i2c_combined_generic; - link->ops.write_link_unlocked = - ixgbe_write_i2c_combined_generic_unlocked; - link->addr = IXGBE_CS4227; - } - if (hw->mac.type == ixgbe_mac_X550EM_a) { - mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550; - mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550; - mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550a; - mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550a; - } mac->ops.get_media_type = ixgbe_get_media_type_X550em; mac->ops.setup_sfp = ixgbe_setup_sfp_modules_X550em; @@ -593,6 +635,88 @@ s32 ixgbe_init_ops_X550EM(struct ixgbe_hw *hw) return ret_val; } +/** +* ixgbe_init_ops_X550EM_a - Inits func ptrs and MAC type +* @hw: pointer to hardware structure +* +* Initialize the function pointers and for MAC type X550EM_a. +* Does not touch the hardware. +**/ +s32 ixgbe_init_ops_X550EM_a(struct ixgbe_hw *hw) +{ + struct ixgbe_mac_info *mac = &hw->mac; + s32 ret_val; + + DEBUGFUNC("ixgbe_init_ops_X550EM_a"); + + /* Start with generic X550EM init */ + ret_val = ixgbe_init_ops_X550EM(hw); + + if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII || + hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII_L) { + mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550; + mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550; + } else { + mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550a; + mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550a; + } + mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550a; + mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550a; + + switch (mac->ops.get_media_type(hw)) { + case ixgbe_media_type_fiber: + mac->ops.setup_fc = ixgbe_setup_fc_fiber_x550em_a; + mac->ops.fc_autoneg = ixgbe_fc_autoneg_fiber_x550em_a; + break; + case ixgbe_media_type_backplane: + mac->ops.fc_autoneg = ixgbe_fc_autoneg_backplane_x550em_a; + mac->ops.setup_fc = ixgbe_setup_fc_backplane_x550em_a; + break; + default: + break; + } + + if ((hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || + (hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { + mac->ops.fc_autoneg = ixgbe_fc_autoneg_sgmii_x550em_a; + mac->ops.setup_fc = ixgbe_setup_fc_sgmii_x550em_a; + } + + return ret_val; +} + +/** +* ixgbe_init_ops_X550EM_x - Inits func ptrs and MAC type +* @hw: pointer to hardware structure +* +* Initialize the function pointers and for MAC type X550EM_x. +* Does not touch the hardware. +**/ +s32 ixgbe_init_ops_X550EM_x(struct ixgbe_hw *hw) +{ + struct ixgbe_mac_info *mac = &hw->mac; + struct ixgbe_link_info *link = &hw->link; + s32 ret_val; + + DEBUGFUNC("ixgbe_init_ops_X550EM_x"); + + /* Start with generic X550EM init */ + ret_val = ixgbe_init_ops_X550EM(hw); + + mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550; + mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550; + mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550em; + mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550em; + link->ops.read_link = ixgbe_read_i2c_combined_generic; + link->ops.read_link_unlocked = ixgbe_read_i2c_combined_generic_unlocked; + link->ops.write_link = ixgbe_write_i2c_combined_generic; + link->ops.write_link_unlocked = + ixgbe_write_i2c_combined_generic_unlocked; + link->addr = IXGBE_CS4227; + + return ret_val; +} + /** * ixgbe_dmac_config_X550 * @hw: pointer to hardware structure @@ -656,6 +780,7 @@ s32 ixgbe_dmac_config_tcs_X550(struct ixgbe_hw *hw) /* Configure DMA coalescing enabled */ switch (hw->mac.dmac_config.link_speed) { + case IXGBE_LINK_SPEED_10_FULL: case IXGBE_LINK_SPEED_100_FULL: pb_headroom = IXGBE_DMACRXT_100M; break; @@ -759,7 +884,7 @@ s32 ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw) * ixgbe_enable_eee_x550 - Enable EEE support * @hw: pointer to hardware structure */ -static s32 ixgbe_enable_eee_x550(struct ixgbe_hw *hw) +STATIC s32 ixgbe_enable_eee_x550(struct ixgbe_hw *hw) { u16 autoneg_eee_reg; u32 link_reg; @@ -814,7 +939,7 @@ static s32 ixgbe_enable_eee_x550(struct ixgbe_hw *hw) * ixgbe_disable_eee_x550 - Disable EEE support * @hw: pointer to hardware structure */ -static s32 ixgbe_disable_eee_x550(struct ixgbe_hw *hw) +STATIC s32 ixgbe_disable_eee_x550(struct ixgbe_hw *hw) { u16 autoneg_eee_reg; u32 link_reg; @@ -993,8 +1118,8 @@ STATIC s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl) } /** - * ixgbe_write_iosf_sb_reg_x550 - Writes a value to specified register of the IOSF - * device + * ixgbe_write_iosf_sb_reg_x550 - Writes a value to specified register + * of the IOSF device * @hw: pointer to hardware structure * @reg_addr: 32 bit PHY register to write * @device_type: 3 bit device type @@ -1040,12 +1165,11 @@ out: } /** - * ixgbe_read_iosf_sb_reg_x550 - Writes a value to specified register of the IOSF - * device + * ixgbe_read_iosf_sb_reg_x550 - Reads specified register of the IOSF device * @hw: pointer to hardware structure * @reg_addr: 32 bit PHY register to write * @device_type: 3 bit device type - * @phy_data: Pointer to read data from the register + * @data: Pointer to read data from the register **/ s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u32 *data) @@ -1142,6 +1266,8 @@ s32 ixgbe_put_phy_token(struct ixgbe_hw *hw) return status; if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK) return IXGBE_SUCCESS; + + DEBUGOUT("Put PHY Token host interface command failed"); return IXGBE_ERR_FW_RESP_INVALID; } @@ -1166,8 +1292,8 @@ s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, write_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM; write_cmd.port_number = hw->bus.lan_id; write_cmd.command_type = FW_INT_PHY_REQ_WRITE; - write_cmd.address = (u16)reg_addr; - write_cmd.write_data = data; + write_cmd.address = IXGBE_CPU_TO_BE16(reg_addr); + write_cmd.write_data = IXGBE_CPU_TO_BE32(data); status = ixgbe_host_interface_command(hw, (u32 *)&write_cmd, sizeof(write_cmd), @@ -1177,8 +1303,7 @@ s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, } /** - * ixgbe_read_iosf_sb_reg_x550a - Writes a value to specified register - * of the IOSF device. + * ixgbe_read_iosf_sb_reg_x550a - Reads specified register of the IOSF device * @hw: pointer to hardware structure * @reg_addr: 32 bit PHY register to write * @device_type: 3 bit device type @@ -1187,24 +1312,27 @@ s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u32 *data) { - struct ixgbe_hic_internal_phy_req read_cmd; + union { + struct ixgbe_hic_internal_phy_req cmd; + struct ixgbe_hic_internal_phy_resp rsp; + } hic; s32 status; UNREFERENCED_1PARAMETER(device_type); - memset(&read_cmd, 0, sizeof(read_cmd)); - read_cmd.hdr.cmd = FW_INT_PHY_REQ_CMD; - read_cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN; - read_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM; - read_cmd.port_number = hw->bus.lan_id; - read_cmd.command_type = FW_INT_PHY_REQ_READ; - read_cmd.address = (u16)reg_addr; + memset(&hic, 0, sizeof(hic)); + hic.cmd.hdr.cmd = FW_INT_PHY_REQ_CMD; + hic.cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN; + hic.cmd.hdr.checksum = FW_DEFAULT_CHECKSUM; + hic.cmd.port_number = hw->bus.lan_id; + hic.cmd.command_type = FW_INT_PHY_REQ_READ; + hic.cmd.address = IXGBE_CPU_TO_BE16(reg_addr); - status = ixgbe_host_interface_command(hw, (u32 *)&read_cmd, - sizeof(read_cmd), + status = ixgbe_host_interface_command(hw, (u32 *)&hic.cmd, + sizeof(hic.cmd), IXGBE_HI_COMMAND_TIMEOUT, true); /* Extract the register value from the response. */ - *data = ((struct ixgbe_hic_internal_phy_resp *)&read_cmd)->read_data; + *data = IXGBE_BE32_TO_CPU(hic.rsp.read_data); return status; } @@ -1384,10 +1512,14 @@ enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw) case IXGBE_DEV_ID_X550EM_A_10G_T: media_type = ixgbe_media_type_copper; break; + case IXGBE_DEV_ID_X550EM_A_SGMII: + case IXGBE_DEV_ID_X550EM_A_SGMII_L: + media_type = ixgbe_media_type_backplane; + hw->phy.type = ixgbe_phy_sgmii; + break; case IXGBE_DEV_ID_X550EM_A_1G_T: case IXGBE_DEV_ID_X550EM_A_1G_T_L: - media_type = ixgbe_media_type_sgmii; - hw->phy.type = ixgbe_phy_sgmii; + media_type = ixgbe_media_type_copper; break; default: media_type = ixgbe_media_type_unknown; @@ -1483,13 +1615,12 @@ s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw) * ixgbe_setup_sgmii - Set up link for sgmii * @hw: pointer to hardware structure */ -static s32 ixgbe_setup_sgmii(struct ixgbe_hw *hw, ixgbe_link_speed speed, - bool autoneg_wait_to_complete) +STATIC s32 ixgbe_setup_sgmii(struct ixgbe_hw *hw, ixgbe_link_speed speed, + bool autoneg_wait) { struct ixgbe_mac_info *mac = &hw->mac; u32 lval, sval; s32 rc; - UNREFERENCED_2PARAMETER(speed, autoneg_wait_to_complete); rc = mac->ops.read_iosf_sb_reg(hw, IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), @@ -1526,8 +1657,62 @@ static s32 ixgbe_setup_sgmii(struct ixgbe_hw *hw, ixgbe_link_speed speed, rc = mac->ops.write_iosf_sb_reg(hw, IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, lval); + if (rc) + return rc; - return rc; + return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait); +} + + /** + * ixgbe_setup_sgmii_m88 - Set up link for sgmii with Marvell PHYs + * @hw: pointer to hardware structure + */ +STATIC s32 ixgbe_setup_sgmii_m88(struct ixgbe_hw *hw, ixgbe_link_speed speed, + bool autoneg_wait) +{ + struct ixgbe_mac_info *mac = &hw->mac; + u32 lval, sval; + s32 rc; + + rc = mac->ops.read_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &lval); + if (rc) + return rc; + + lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE; + lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK; + lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_SGMII_EN; + lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN; + lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G; + rc = mac->ops.write_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, lval); + if (rc) + return rc; + + rc = mac->ops.read_iosf_sb_reg(hw, + IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &sval); + if (rc) + return rc; + + sval &= ~IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_10_D; + sval &= ~IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_100_D; + rc = mac->ops.write_iosf_sb_reg(hw, + IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, sval); + if (rc) + return rc; + + lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART; + rc = mac->ops.write_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, lval); + if (rc) + return rc; + + return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait); } /** @@ -1560,13 +1745,23 @@ void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw) ixgbe_setup_mac_link_sfp_x550em; break; case ixgbe_media_type_copper: - mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em; - mac->ops.check_link = ixgbe_check_link_t_X550em; + if (hw->mac.type == ixgbe_mac_X550EM_a) { + if (hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T || + hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L) { + mac->ops.setup_link = ixgbe_setup_sgmii_m88; + } else { + mac->ops.setup_link = + ixgbe_setup_mac_link_t_X550em; + } + } else { + mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em; + mac->ops.check_link = ixgbe_check_link_t_X550em; + } break; case ixgbe_media_type_backplane: - break; - case ixgbe_media_type_sgmii: - mac->ops.setup_link = ixgbe_setup_sgmii; + if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII || + hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII_L) + mac->ops.setup_link = ixgbe_setup_sgmii; break; default: break; @@ -1609,8 +1804,9 @@ s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw, } else { switch (hw->phy.type) { case ixgbe_phy_m88: - *speed = IXGBE_LINK_SPEED_100_FULL | - IXGBE_LINK_SPEED_1GB_FULL; + *speed = IXGBE_LINK_SPEED_1GB_FULL | + IXGBE_LINK_SPEED_100_FULL | + IXGBE_LINK_SPEED_10_FULL; break; case ixgbe_phy_sgmii: *speed = IXGBE_LINK_SPEED_1GB_FULL; @@ -1843,97 +2039,389 @@ STATIC s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw, } /** - * ixgbe_init_phy_ops_X550em - PHY/SFP specific init - * @hw: pointer to hardware structure - * - * Initialize any function pointers that were not able to be - * set during init_shared_code because the PHY/SFP type was - * not known. Perform the SFP init if necessary. + * ixgbe_setup_m88 - setup m88 PHY + * @hw: pointer to hardware structure */ -s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) +STATIC s32 ixgbe_setup_m88(struct ixgbe_hw *hw) { - struct ixgbe_phy_info *phy = &hw->phy; - s32 ret_val; + u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM; + u16 reg; + s32 rc; - DEBUGFUNC("ixgbe_init_phy_ops_X550em"); + if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw)) + return IXGBE_SUCCESS; - hw->mac.ops.set_lan_id(hw); + rc = hw->mac.ops.acquire_swfw_sync(hw, mask); + if (rc) + return rc; - if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) { - phy->phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM; - ixgbe_setup_mux_ctl(hw); + rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, ®); + if (rc) + goto out; + if (reg & IXGBE_M88E1500_COPPER_CTRL_POWER_DOWN) { + reg &= ~IXGBE_M88E1500_COPPER_CTRL_POWER_DOWN; + hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, + reg); + } - /* Save NW management interface connected on board. This is used - * to determine internal PHY mode. - */ - phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL); - phy->ops.identify_sfp = ixgbe_identify_sfp_module_X550em; + rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_MAC_CTRL_1, 0, ®); + if (rc) + goto out; + if (reg & IXGBE_M88E1500_MAC_CTRL_1_POWER_DOWN) { + reg &= ~IXGBE_M88E1500_MAC_CTRL_1_POWER_DOWN; + hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_MAC_CTRL_1, 0, + reg); } - /* Identify the PHY or SFP module */ - ret_val = phy->ops.identify(hw); - if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED) - return ret_val; + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 2); + if (rc) + goto out; - /* Setup function pointers based on detected hardware */ - ixgbe_init_mac_link_ops_X550em(hw); - if (phy->sfp_type != ixgbe_sfp_type_unknown) - phy->ops.reset = NULL; + rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_MAC_SPEC_CTRL, 0, + ®); + if (rc) + goto out; + if (reg & IXGBE_M88E1500_MAC_SPEC_CTRL_POWER_DOWN) { + reg &= ~IXGBE_M88E1500_MAC_SPEC_CTRL_POWER_DOWN; + hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_MAC_SPEC_CTRL, 0, + reg); + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, + 0); + if (rc) + goto out; + rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, + ®); + if (rc) + goto out; + reg |= IXGBE_M88E1500_COPPER_CTRL_RESET; + hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, + reg); + usec_delay(50); + } else { + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, + 0); + if (rc) + goto out; + } - /* Set functions pointers based on phy type */ - switch (hw->phy.type) { - case ixgbe_phy_x550em_kx4: - phy->ops.setup_link = NULL; - phy->ops.read_reg = ixgbe_read_phy_reg_x550em; - phy->ops.write_reg = ixgbe_write_phy_reg_x550em; - break; - case ixgbe_phy_x550em_kr: - phy->ops.setup_link = ixgbe_setup_kr_x550em; - phy->ops.read_reg = ixgbe_read_phy_reg_x550em; - phy->ops.write_reg = ixgbe_write_phy_reg_x550em; - break; - case ixgbe_phy_x550em_ext_t: - /* Save NW management interface connected on board. This is used - * to determine internal PHY mode - */ - phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL); + rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, ®); + if (rc) + goto out; - /* If internal link mode is XFI, then setup iXFI internal link, - * else setup KR now. - */ - phy->ops.setup_internal_link = - ixgbe_setup_internal_phy_t_x550em; + if (!(reg & IXGBE_M88E1500_COPPER_CTRL_AN_EN)) { + reg |= IXGBE_M88E1500_COPPER_CTRL_AN_EN; + hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, + reg); + } - /* setup SW LPLU only for first revision of X550EM_x */ - if ((hw->mac.type == ixgbe_mac_X550EM_x) && - !(IXGBE_FUSES0_REV_MASK & - IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0)))) - phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em; + rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_1000T_CTRL, 0, ®); + if (rc) + goto out; + reg &= ~IXGBE_M88E1500_1000T_CTRL_HALF_DUPLEX; + reg &= ~IXGBE_M88E1500_1000T_CTRL_FULL_DUPLEX; + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) + reg |= IXGBE_M88E1500_1000T_CTRL_FULL_DUPLEX; + hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_1000T_CTRL, 0, reg); - phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em; - phy->ops.reset = ixgbe_reset_phy_t_X550em; - break; - case ixgbe_phy_sgmii: - phy->ops.setup_link = NULL; - break; - case ixgbe_phy_m88: - break; - default: - break; - } - return ret_val; + rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_AN, 0, ®); + if (rc) + goto out; + reg &= ~IXGBE_M88E1500_COPPER_AN_T4; + reg &= ~IXGBE_M88E1500_COPPER_AN_100TX_FD; + reg &= ~IXGBE_M88E1500_COPPER_AN_100TX_HD; + reg &= ~IXGBE_M88E1500_COPPER_AN_10TX_FD; + reg &= ~IXGBE_M88E1500_COPPER_AN_10TX_HD; + + /* Flow control auto negotiation configuration was moved from here to + * the function ixgbe_setup_fc_sgmii_x550em_a() + */ + + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL) + reg |= IXGBE_M88E1500_COPPER_AN_100TX_FD; + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10_FULL) + reg |= IXGBE_M88E1500_COPPER_AN_10TX_FD; + hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_AN, 0, reg); + + rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, ®); + if (rc) + goto out; + reg |= IXGBE_M88E1500_COPPER_CTRL_RESTART_AN; + hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, reg); + + + hw->mac.ops.release_swfw_sync(hw, mask); + return rc; + +out: + hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0); + hw->mac.ops.release_swfw_sync(hw, mask); + return rc; } /** - * ixgbe_set_mdio_speed - Set MDIO clock speed - * @hw: pointer to hardware structure + * ixgbe_reset_phy_m88e1500 - Reset m88e1500 PHY + * @hw: pointer to hardware structure + * + * The PHY token must be held when calling this function. + */ +static s32 ixgbe_reset_phy_m88e1500(struct ixgbe_hw *hw) +{ + u16 reg; + s32 rc; + + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0); + if (rc) + return rc; + + rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, ®); + if (rc) + return rc; + + reg |= IXGBE_M88E1500_COPPER_CTRL_RESET; + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, reg); + + usec_delay(10); + + return rc; +} + +/** + * ixgbe_reset_phy_m88e1543 - Reset m88e1543 PHY + * @hw: pointer to hardware structure + * + * The PHY token must be held when calling this function. + */ +static s32 ixgbe_reset_phy_m88e1543(struct ixgbe_hw *hw) +{ + return hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0); +} + +/** + * ixgbe_reset_phy_m88 - Reset m88 PHY + * @hw: pointer to hardware structure + */ +STATIC s32 ixgbe_reset_phy_m88(struct ixgbe_hw *hw) +{ + u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM; + u16 reg; + s32 rc; + + if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw)) + return IXGBE_SUCCESS; + + rc = hw->mac.ops.acquire_swfw_sync(hw, mask); + if (rc) + return rc; + + switch (hw->phy.id) { + case IXGBE_M88E1500_E_PHY_ID: + rc = ixgbe_reset_phy_m88e1500(hw); + break; + case IXGBE_M88E1543_E_PHY_ID: + rc = ixgbe_reset_phy_m88e1543(hw); + break; + default: + rc = IXGBE_ERR_PHY; + break; + } + + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 1); + if (rc) + goto out; + + reg = IXGBE_M88E1500_FIBER_CTRL_RESET | + IXGBE_M88E1500_FIBER_CTRL_DUPLEX_FULL | + IXGBE_M88E1500_FIBER_CTRL_SPEED_MSB; + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_FIBER_CTRL, 0, reg); + if (rc) + goto out; + + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 18); + if (rc) + goto out; + + reg = IXGBE_M88E1500_GEN_CTRL_RESET | + IXGBE_M88E1500_GEN_CTRL_MODE_SGMII_COPPER; + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_GEN_CTRL, 0, reg); + if (rc) + goto out; + + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 1); + if (rc) + goto out; + + reg = IXGBE_M88E1500_FIBER_CTRL_RESET | + IXGBE_M88E1500_FIBER_CTRL_AN_EN | + IXGBE_M88E1500_FIBER_CTRL_DUPLEX_FULL | + IXGBE_M88E1500_FIBER_CTRL_SPEED_MSB; + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_FIBER_CTRL, 0, reg); + if (rc) + goto out; + + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0); + if (rc) + goto out; + + reg = (IXGBE_M88E1500_MAC_CTRL_1_DWN_4X << + IXGBE_M88E1500_MAC_CTRL_1_DWN_SHIFT) | + (IXGBE_M88E1500_MAC_CTRL_1_ED_TM << + IXGBE_M88E1500_MAC_CTRL_1_ED_SHIFT) | + (IXGBE_M88E1500_MAC_CTRL_1_MDIX_AUTO << + IXGBE_M88E1500_MAC_CTRL_1_MDIX_SHIFT); + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_MAC_CTRL_1, 0, reg); + if (rc) + goto out; + + reg = IXGBE_M88E1500_COPPER_CTRL_RESET | + IXGBE_M88E1500_COPPER_CTRL_AN_EN | + IXGBE_M88E1500_COPPER_CTRL_RESTART_AN | + IXGBE_M88E1500_COPPER_CTRL_FULL_DUPLEX | + IXGBE_M88E1500_COPPER_CTRL_SPEED_MSB; + rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, reg); + if (rc) + goto out; + + hw->mac.ops.release_swfw_sync(hw, mask); + + /* In case of first reset set advertised speeds to default value */ + if (!hw->phy.autoneg_advertised) + hw->phy.autoneg_advertised = IXGBE_LINK_SPEED_1GB_FULL | + IXGBE_LINK_SPEED_100_FULL | + IXGBE_LINK_SPEED_10_FULL; + + return ixgbe_setup_m88(hw); + +out: + hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0); + hw->mac.ops.release_swfw_sync(hw, mask); + return rc; +} + +/** + * ixgbe_read_mng_if_sel_x550em - Read NW_MNG_IF_SEL register + * @hw: pointer to hardware structure + * + * Read NW_MNG_IF_SEL register and save field values, and check for valid field + * values. + **/ +STATIC s32 ixgbe_read_mng_if_sel_x550em(struct ixgbe_hw *hw) +{ + /* Save NW management interface connected on board. This is used + * to determine internal PHY mode. + */ + hw->phy.nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL); + + /* If X552 (X550EM_a) and MDIO is connected to external PHY, then set + * PHY address. This register field was has only been used for X552. + */ + if (hw->mac.type == ixgbe_mac_X550EM_a && + hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_MDIO_ACT) { + hw->phy.addr = (hw->phy.nw_mng_if_sel & + IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD) >> + IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT; + } + + return IXGBE_SUCCESS; +} + +/** + * ixgbe_init_phy_ops_X550em - PHY/SFP specific init + * @hw: pointer to hardware structure + * + * Initialize any function pointers that were not able to be + * set during init_shared_code because the PHY/SFP type was + * not known. Perform the SFP init if necessary. + */ +s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) +{ + struct ixgbe_phy_info *phy = &hw->phy; + s32 ret_val; + + DEBUGFUNC("ixgbe_init_phy_ops_X550em"); + + hw->mac.ops.set_lan_id(hw); + + ixgbe_read_mng_if_sel_x550em(hw); + + if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) { + phy->phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM; + ixgbe_setup_mux_ctl(hw); + phy->ops.identify_sfp = ixgbe_identify_sfp_module_X550em; + } + + switch (hw->device_id) { + case IXGBE_DEV_ID_X550EM_A_1G_T: + case IXGBE_DEV_ID_X550EM_A_1G_T_L: + phy->ops.read_reg_mdi = ixgbe_read_phy_reg_mdi_22; + phy->ops.write_reg_mdi = ixgbe_write_phy_reg_mdi_22; + break; + default: + break; + } + + /* Identify the PHY or SFP module */ + ret_val = phy->ops.identify(hw); + if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED) + return ret_val; + + /* Setup function pointers based on detected hardware */ + ixgbe_init_mac_link_ops_X550em(hw); + if (phy->sfp_type != ixgbe_sfp_type_unknown) + phy->ops.reset = NULL; + + /* Set functions pointers based on phy type */ + switch (hw->phy.type) { + case ixgbe_phy_x550em_kx4: + phy->ops.setup_link = NULL; + phy->ops.read_reg = ixgbe_read_phy_reg_x550em; + phy->ops.write_reg = ixgbe_write_phy_reg_x550em; + break; + case ixgbe_phy_x550em_kr: + phy->ops.setup_link = ixgbe_setup_kr_x550em; + phy->ops.read_reg = ixgbe_read_phy_reg_x550em; + phy->ops.write_reg = ixgbe_write_phy_reg_x550em; + break; + case ixgbe_phy_x550em_ext_t: + /* If internal link mode is XFI, then setup iXFI internal link, + * else setup KR now. + */ + phy->ops.setup_internal_link = + ixgbe_setup_internal_phy_t_x550em; + + /* setup SW LPLU only for first revision of X550EM_x */ + if ((hw->mac.type == ixgbe_mac_X550EM_x) && + !(IXGBE_FUSES0_REV_MASK & + IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0)))) + phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em; + + phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em; + phy->ops.reset = ixgbe_reset_phy_t_X550em; + break; + case ixgbe_phy_sgmii: + phy->ops.setup_link = NULL; + break; + case ixgbe_phy_m88: + phy->ops.setup_link = ixgbe_setup_m88; + phy->ops.reset = ixgbe_reset_phy_m88; + break; + default: + break; + } + return ret_val; +} + +/** + * ixgbe_set_mdio_speed - Set MDIO clock speed + * @hw: pointer to hardware structure */ -static void ixgbe_set_mdio_speed(struct ixgbe_hw *hw) +STATIC void ixgbe_set_mdio_speed(struct ixgbe_hw *hw) { u32 hlreg0; switch (hw->device_id) { case IXGBE_DEV_ID_X550EM_X_10G_T: + case IXGBE_DEV_ID_X550EM_A_SGMII: + case IXGBE_DEV_ID_X550EM_A_SGMII_L: case IXGBE_DEV_ID_X550EM_A_1G_T: case IXGBE_DEV_ID_X550EM_A_1G_T_L: case IXGBE_DEV_ID_X550EM_A_10G_T: @@ -2147,53 +2635,18 @@ s32 ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw, if (ret_val != IXGBE_SUCCESS) return ret_val; - if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) { - /* Configure CS4227 LINE side to 10G SR. */ - reg_slice = IXGBE_CS4227_LINE_SPARE22_MSB + - (hw->bus.lan_id << 12); - reg_val = IXGBE_CS4227_SPEED_10G; - ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice, - reg_val); - - reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB + - (hw->bus.lan_id << 12); - reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1; - ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice, - reg_val); - - /* Configure CS4227 for HOST connection rate then type. */ - reg_slice = IXGBE_CS4227_HOST_SPARE22_MSB + - (hw->bus.lan_id << 12); - reg_val = (speed & IXGBE_LINK_SPEED_10GB_FULL) ? - IXGBE_CS4227_SPEED_10G : IXGBE_CS4227_SPEED_1G; - ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice, - reg_val); - - reg_slice = IXGBE_CS4227_HOST_SPARE24_LSB + - (hw->bus.lan_id << 12); - if (setup_linear) - reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1; - else - reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1; - ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice, - reg_val); - - /* Setup XFI internal link. */ - ret_val = ixgbe_setup_ixfi_x550em(hw, &speed); - } else { - /* Configure internal PHY for KR/KX. */ - ixgbe_setup_kr_speed_x550em(hw, speed); + /* Configure internal PHY for KR/KX. */ + ixgbe_setup_kr_speed_x550em(hw, speed); - /* Configure CS4227 LINE side to proper mode. */ - reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB + - (hw->bus.lan_id << 12); - if (setup_linear) - reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1; - else - reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1; - ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice, - reg_val); - } + /* Configure CS4227 LINE side to proper mode. */ + reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB + + (hw->bus.lan_id << 12); + if (setup_linear) + reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1; + else + reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1; + ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice, + reg_val); return ret_val; } @@ -2256,12 +2709,6 @@ s32 ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, /* Configure internal PHY for KR/KX. */ ixgbe_setup_kr_speed_x550em(hw, speed); - /* Get CS4227 MDIO address */ - hw->phy.addr = - (hw->phy.nw_mng_if_sel & - IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD) - >> IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT; - if (hw->phy.addr == 0x0 || hw->phy.addr == 0xFFFF) { /* Find Address */ DEBUGOUT("Invalid NW_MNG_IF_SEL.MDIO_PHY_ADD value\n"); @@ -2304,24 +2751,25 @@ s32 ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, **/ STATIC s32 ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw) { + struct ixgbe_mac_info *mac = &hw->mac; s32 status; u32 reg_val; /* Disable training protocol FSM. */ - status = ixgbe_read_iosf_sb_reg_x550(hw, + status = mac->ops.read_iosf_sb_reg(hw, IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); if (status != IXGBE_SUCCESS) return status; reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_CONV_WO_PROTOCOL; - status = ixgbe_write_iosf_sb_reg_x550(hw, + status = mac->ops.write_iosf_sb_reg(hw, IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); if (status != IXGBE_SUCCESS) return status; /* Disable Flex from training TXFFE. */ - status = ixgbe_read_iosf_sb_reg_x550(hw, + status = mac->ops.read_iosf_sb_reg(hw, IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); if (status != IXGBE_SUCCESS) @@ -2329,12 +2777,12 @@ STATIC s32 ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw) reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN; reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN; reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN; - status = ixgbe_write_iosf_sb_reg_x550(hw, + status = mac->ops.write_iosf_sb_reg(hw, IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); if (status != IXGBE_SUCCESS) return status; - status = ixgbe_read_iosf_sb_reg_x550(hw, + status = mac->ops.read_iosf_sb_reg(hw, IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); if (status != IXGBE_SUCCESS) @@ -2342,14 +2790,14 @@ STATIC s32 ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw) reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN; reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN; reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN; - status = ixgbe_write_iosf_sb_reg_x550(hw, + status = mac->ops.write_iosf_sb_reg(hw, IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); if (status != IXGBE_SUCCESS) return status; /* Enable override for coefficients. */ - status = ixgbe_read_iosf_sb_reg_x550(hw, + status = mac->ops.read_iosf_sb_reg(hw, IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); if (status != IXGBE_SUCCESS) @@ -2358,7 +2806,7 @@ STATIC s32 ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw) reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CZERO_EN; reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CPLUS1_OVRRD_EN; reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CMINUS1_OVRRD_EN; - status = ixgbe_write_iosf_sb_reg_x550(hw, + status = mac->ops.write_iosf_sb_reg(hw, IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); return status; @@ -2374,11 +2822,12 @@ STATIC s32 ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw) **/ STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed) { + struct ixgbe_mac_info *mac = &hw->mac; s32 status; u32 reg_val; /* Disable AN and force speed to 10G Serial. */ - status = ixgbe_read_iosf_sb_reg_x550(hw, + status = mac->ops.read_iosf_sb_reg(hw, IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); if (status != IXGBE_SUCCESS) @@ -2400,7 +2849,7 @@ STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed) return IXGBE_ERR_LINK_SETUP; } - status = ixgbe_write_iosf_sb_reg_x550(hw, + status = mac->ops.write_iosf_sb_reg(hw, IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); if (status != IXGBE_SUCCESS) @@ -2414,13 +2863,13 @@ STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed) } /* Toggle port SW reset by AN reset. */ - status = ixgbe_read_iosf_sb_reg_x550(hw, + status = mac->ops.read_iosf_sb_reg(hw, IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); if (status != IXGBE_SUCCESS) return status; reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART; - status = ixgbe_write_iosf_sb_reg_x550(hw, + status = mac->ops.write_iosf_sb_reg(hw, IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); @@ -3456,54 +3905,581 @@ out: } /** - * ixgbe_set_mux - Set mux for port 1 access with CS4227 - * @hw: pointer to hardware structure - * @state: set mux if 1, clear if 0 - */ -STATIC void ixgbe_set_mux(struct ixgbe_hw *hw, u8 state) -{ - u32 esdp; - - if (!hw->bus.lan_id) - return; - esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); - if (state) - esdp |= IXGBE_ESDP_SDP1; - else - esdp &= ~IXGBE_ESDP_SDP1; - IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp); - IXGBE_WRITE_FLUSH(hw); -} - -/** - * ixgbe_acquire_swfw_sync_X550em - Acquire SWFW semaphore + * ixgbe_fc_autoneg_backplane_x550em_a - Enable flow control IEEE clause 37 * @hw: pointer to hardware structure - * @mask: Mask to specify which semaphore to acquire * - * Acquires the SWFW semaphore and sets the I2C MUX + * Enable flow control according to IEEE clause 37. **/ -s32 ixgbe_acquire_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask) +void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw) { - s32 status; + u32 link_s1, lp_an_page_low, an_cntl_1; + s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED; + ixgbe_link_speed speed; + bool link_up; - DEBUGFUNC("ixgbe_acquire_swfw_sync_X550em"); + /* AN should have completed when the cable was plugged in. + * Look for reasons to bail out. Bail out if: + * - FC autoneg is disabled, or if + * - link is not up. + */ + if (hw->fc.disable_fc_autoneg) { + ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED, + "Flow control autoneg is disabled"); + goto out; + } - status = ixgbe_acquire_swfw_sync_X540(hw, mask); - if (status) - return status; + hw->mac.ops.check_link(hw, &speed, &link_up, false); + if (!link_up) { + ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down"); + goto out; + } - if (mask & IXGBE_GSSR_I2C_MASK) - ixgbe_set_mux(hw, 1); + /* Check at auto-negotiation has completed */ + status = hw->mac.ops.read_iosf_sb_reg(hw, + IXGBE_KRM_LINK_S1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &link_s1); - return IXGBE_SUCCESS; + if (status != IXGBE_SUCCESS || + (link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) { + DEBUGOUT("Auto-Negotiation did not complete\n"); + status = IXGBE_ERR_FC_NOT_NEGOTIATED; + goto out; + } + + /* Read the 10g AN autoc and LP ability registers and resolve + * local flow control settings accordingly + */ + status = hw->mac.ops.read_iosf_sb_reg(hw, + IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl_1); + + if (status != IXGBE_SUCCESS) { + DEBUGOUT("Auto-Negotiation did not complete\n"); + goto out; + } + + status = hw->mac.ops.read_iosf_sb_reg(hw, + IXGBE_KRM_LP_BASE_PAGE_HIGH(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &lp_an_page_low); + + if (status != IXGBE_SUCCESS) { + DEBUGOUT("Auto-Negotiation did not complete\n"); + goto out; + } + + status = ixgbe_negotiate_fc(hw, an_cntl_1, lp_an_page_low, + IXGBE_KRM_AN_CNTL_1_SYM_PAUSE, + IXGBE_KRM_AN_CNTL_1_ASM_PAUSE, + IXGBE_KRM_LP_BASE_PAGE_HIGH_SYM_PAUSE, + IXGBE_KRM_LP_BASE_PAGE_HIGH_ASM_PAUSE); + +out: + if (status == IXGBE_SUCCESS) { + hw->fc.fc_was_autonegged = true; + } else { + hw->fc.fc_was_autonegged = false; + hw->fc.current_mode = hw->fc.requested_mode; + } } /** - * ixgbe_release_swfw_sync_X550em - Release SWFW semaphore + * ixgbe_fc_autoneg_fiber_x550em_a - Enable flow control IEEE clause 37 * @hw: pointer to hardware structure - * @mask: Mask to specify which semaphore to release * - * Releases the SWFW semaphore and sets the I2C MUX + * Enable flow control according to IEEE clause 37. + **/ +void ixgbe_fc_autoneg_fiber_x550em_a(struct ixgbe_hw *hw) +{ + u32 link_s1, pcs_an_lp, pcs_an; + s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED; + ixgbe_link_speed speed; + bool link_up; + + /* AN should have completed when the cable was plugged in. + * Look for reasons to bail out. Bail out if: + * - FC autoneg is disabled, or if + * - link is not up. + */ + if (hw->fc.disable_fc_autoneg) { + ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED, + "Flow control autoneg is disabled"); + goto out; + } + + hw->mac.ops.check_link(hw, &speed, &link_up, false); + if (!link_up) { + ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down"); + goto out; + } + + /* Check if auto-negotiation has completed */ + status = hw->mac.ops.read_iosf_sb_reg(hw, + IXGBE_KRM_LINK_S1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &link_s1); + + if (status != IXGBE_SUCCESS || + (link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) { + DEBUGOUT("Auto-Negotiation did not complete\n"); + status = IXGBE_ERR_FC_NOT_NEGOTIATED; + goto out; + } + + /* Determine advertised flow control */ + status = hw->mac.ops.read_iosf_sb_reg(hw, + IXGBE_KRM_PCS_KX_AN(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &pcs_an); + + if (status != IXGBE_SUCCESS) { + DEBUGOUT("Auto-Negotiation did not complete\n"); + goto out; + } + + /* Determine link parter flow control */ + status = hw->mac.ops.read_iosf_sb_reg(hw, + IXGBE_KRM_PCS_KX_AN_LP(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &pcs_an_lp); + + if (status != IXGBE_SUCCESS) { + DEBUGOUT("Auto-Negotiation did not complete\n"); + goto out; + } + + status = ixgbe_negotiate_fc(hw, pcs_an, pcs_an_lp, + IXGBE_KRM_PCS_KX_AN_SYM_PAUSE, + IXGBE_KRM_PCS_KX_AN_ASM_PAUSE, + IXGBE_KRM_PCS_KX_AN_LP_SYM_PAUSE, + IXGBE_KRM_PCS_KX_AN_LP_ASM_PAUSE); + +out: + if (status == IXGBE_SUCCESS) { + hw->fc.fc_was_autonegged = true; + } else { + hw->fc.fc_was_autonegged = false; + hw->fc.current_mode = hw->fc.requested_mode; + } +} + +/** + * ixgbe_fc_autoneg_sgmii_x550em_a - Enable flow control IEEE clause 37 + * @hw: pointer to hardware structure + * + * Enable flow control according to IEEE clause 37. + **/ +void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw) +{ + s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED; + u16 reg, pcs_an_lp, pcs_an; + ixgbe_link_speed speed; + bool link_up; + + /* AN should have completed when the cable was plugged in. + * Look for reasons to bail out. Bail out if: + * - FC autoneg is disabled, or if + * - link is not up. + */ + if (hw->fc.disable_fc_autoneg) { + ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED, + "Flow control autoneg is disabled"); + goto out; + } + + hw->mac.ops.check_link(hw, &speed, &link_up, false); + if (!link_up) { + ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down"); + goto out; + } + + /* Check if auto-negotiation has completed */ + status = hw->phy.ops.read_reg(hw, IXGBE_M88E1500_COPPER_STATUS, + IXGBE_MDIO_ZERO_DEV_TYPE, ®); + if (status != IXGBE_SUCCESS || + (reg & IXGBE_M88E1500_COPPER_STATUS_AN_DONE) == 0) { + DEBUGOUT("Auto-Negotiation did not complete\n"); + status = IXGBE_ERR_FC_NOT_NEGOTIATED; + goto out; + } + + /* Get the advertized flow control */ + status = hw->phy.ops.read_reg(hw, IXGBE_M88E1500_COPPER_AN, + IXGBE_MDIO_ZERO_DEV_TYPE, &pcs_an); + if (status != IXGBE_SUCCESS) + goto out; + + /* Get link partner's flow control */ + status = hw->phy.ops.read_reg(hw, + IXGBE_M88E1500_COPPER_AN_LP_ABILITY, + IXGBE_MDIO_ZERO_DEV_TYPE, &pcs_an_lp); + if (status != IXGBE_SUCCESS) + goto out; + + /* Negotiate the flow control */ + status = ixgbe_negotiate_fc(hw, (u32)pcs_an, (u32)pcs_an_lp, + IXGBE_M88E1500_COPPER_AN_PAUSE, + IXGBE_M88E1500_COPPER_AN_AS_PAUSE, + IXGBE_M88E1500_COPPER_AN_LP_PAUSE, + IXGBE_M88E1500_COPPER_AN_LP_AS_PAUSE); + +out: + if (status == IXGBE_SUCCESS) { + hw->fc.fc_was_autonegged = true; + } else { + hw->fc.fc_was_autonegged = false; + hw->fc.current_mode = hw->fc.requested_mode; + } +} + +/** + * ixgbe_setup_fc_sgmii_x550em_a - Set up flow control + * @hw: pointer to hardware structure + * + * Called at init time to set up flow control. + **/ +s32 ixgbe_setup_fc_sgmii_x550em_a(struct ixgbe_hw *hw) +{ + u16 reg; + s32 rc; + + /* Validate the requested mode */ + if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) { + ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED, + "ixgbe_fc_rx_pause not valid in strict IEEE mode\n"); + return IXGBE_ERR_INVALID_LINK_SETTINGS; + } + + if (hw->fc.requested_mode == ixgbe_fc_default) + hw->fc.requested_mode = ixgbe_fc_full; + + /* Read contents of the Auto-Negotiation register, page 0 reg 4 */ + rc = hw->phy.ops.read_reg(hw, IXGBE_M88E1500_COPPER_AN, + IXGBE_MDIO_ZERO_DEV_TYPE, ®); + if (rc) + goto out; + + /* Disable all the settings related to Flow control Auto-negotiation */ + reg &= ~IXGBE_M88E1500_COPPER_AN_AS_PAUSE; + reg &= ~IXGBE_M88E1500_COPPER_AN_PAUSE; + + /* Configure the Asymmetric and symmetric pause according to the user + * requested mode. + */ + switch (hw->fc.requested_mode) { + case ixgbe_fc_full: + reg |= IXGBE_M88E1500_COPPER_AN_PAUSE; + reg |= IXGBE_M88E1500_COPPER_AN_AS_PAUSE; + break; + case ixgbe_fc_rx_pause: + reg |= IXGBE_M88E1500_COPPER_AN_PAUSE; + reg |= IXGBE_M88E1500_COPPER_AN_AS_PAUSE; + break; + case ixgbe_fc_tx_pause: + reg |= IXGBE_M88E1500_COPPER_AN_AS_PAUSE; + break; + default: + break; + } + + /* Write back to the Auto-Negotiation register with newly configured + * fields + */ + hw->phy.ops.write_reg(hw, IXGBE_M88E1500_COPPER_AN, + IXGBE_MDIO_ZERO_DEV_TYPE, reg); + + /* In this section of the code we restart Auto-negotiation */ + + /* Read the CONTROL register, Page 0 reg 0 */ + rc = hw->phy.ops.read_reg(hw, IXGBE_M88E1500_COPPER_CTRL, + IXGBE_MDIO_ZERO_DEV_TYPE, ®); + if (rc) + goto out; + + /* Set the bit to restart Auto-Neg. The bit to enable Auto-neg is ON + * by default + */ + reg |= IXGBE_M88E1500_COPPER_CTRL_RESTART_AN; + + /* write the new values to the register to restart Auto-Negotiation */ + hw->phy.ops.write_reg(hw, IXGBE_M88E1500_COPPER_CTRL, + IXGBE_MDIO_ZERO_DEV_TYPE, reg); + +out: + return rc; +} + +/** + * ixgbe_setup_fc_backplane_x550em_a - Set up flow control + * @hw: pointer to hardware structure + * + * Called at init time to set up flow control. + **/ +s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw) +{ + s32 status = IXGBE_SUCCESS; + u32 an_cntl, link_ctrl = 0; + + DEBUGFUNC("ixgbe_setup_fc_backplane_x550em_a"); + + /* Validate the requested mode */ + if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) { + ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED, + "ixgbe_fc_rx_pause not valid in strict IEEE mode\n"); + return IXGBE_ERR_INVALID_LINK_SETTINGS; + } + + if (hw->fc.requested_mode == ixgbe_fc_default) + hw->fc.requested_mode = ixgbe_fc_full; + + /* Set up the 1G and 10G flow control advertisement registers so the + * HW will be able to do FC autoneg once the cable is plugged in. If + * we link at 10G, the 1G advertisement is harmless and vice versa. + */ + status = hw->mac.ops.read_iosf_sb_reg(hw, + IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl); + + if (status != IXGBE_SUCCESS) { + DEBUGOUT("Auto-Negotiation did not complete\n"); + return status; + } + + /* The possible values of fc.requested_mode 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: Invalid. + */ + switch (hw->fc.requested_mode) { + case ixgbe_fc_none: + /* Flow control completely disabled by software override. */ + an_cntl &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE | + IXGBE_KRM_AN_CNTL_1_ASM_PAUSE); + break; + case ixgbe_fc_tx_pause: + /* Tx Flow control is enabled, and Rx Flow control is + * disabled by software override. + */ + an_cntl |= IXGBE_KRM_AN_CNTL_1_ASM_PAUSE; + an_cntl &= ~IXGBE_KRM_AN_CNTL_1_SYM_PAUSE; + break; + case ixgbe_fc_rx_pause: + /* Rx Flow control is enabled and Tx Flow control is + * disabled by software override. 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, as such we fall + * through to the fc_full statement. Later, we will + * disable the adapter's ability to send PAUSE frames. + */ + case ixgbe_fc_full: + /* Flow control (both Rx and Tx) is enabled by SW override. */ + an_cntl |= IXGBE_KRM_AN_CNTL_1_SYM_PAUSE | + IXGBE_KRM_AN_CNTL_1_ASM_PAUSE; + break; + default: + ERROR_REPORT1(IXGBE_ERROR_ARGUMENT, + "Flow control param set incorrectly\n"); + return IXGBE_ERR_CONFIG; + } + + status = hw->mac.ops.write_iosf_sb_reg(hw, + IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, an_cntl); + + /* Restart auto-negotiation. */ + status = hw->mac.ops.read_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &link_ctrl); + + if (status != IXGBE_SUCCESS) { + DEBUGOUT("Auto-Negotiation did not complete\n"); + return status; + } + + link_ctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART; + status = hw->mac.ops.write_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, link_ctrl); + + return status; +} + +/** + * ixgbe_setup_fc_fiber_x550em_a - Set up flow control + * @hw: pointer to hardware structure + * + * Called at init time to set up flow control. + **/ +s32 ixgbe_setup_fc_fiber_x550em_a(struct ixgbe_hw *hw) +{ + struct ixgbe_mac_info *mac = &hw->mac; + s32 rc = IXGBE_SUCCESS; + u32 an_cntl4, lctrl, pcs_an; + + DEBUGFUNC("ixgbe_setup_fc_fiber_x550em_a"); + + /* Validate the requested mode */ + if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) { + ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED, + "ixgbe_fc_rx_pause not valid in strict IEEE mode\n"); + return IXGBE_ERR_INVALID_LINK_SETTINGS; + } + + /* Enable clause 37 auto-negotiation in KRM_LINK_CTRL_1 */ + if (hw->fc.requested_mode == ixgbe_fc_default) + hw->fc.requested_mode = ixgbe_fc_full; + + rc = mac->ops.read_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &lctrl); + if (rc) + return rc; + + lctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE; + lctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN; + + rc = mac->ops.write_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, lctrl); + if (rc) + return rc; + + /* Enable clause 37 over 73 in KRM_AN_CNTL_4 */ + rc = mac->ops.read_iosf_sb_reg(hw, + IXGBE_KRM_AN_CNTL_4(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl4); + if (rc) + return rc; + + an_cntl4 |= IXGBE_KRM_AN_CNTL_4_ECSR_AN37_OVER_73; + + rc = mac->ops.write_iosf_sb_reg(hw, + IXGBE_KRM_AN_CNTL_4(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, an_cntl4); + if (rc) + return rc; + + rc = hw->mac.ops.read_iosf_sb_reg(hw, + IXGBE_KRM_PCS_KX_AN(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &pcs_an); + + if (rc) + return rc; + + /* The possible values of fc.requested_mode 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: Invalid. + */ + switch (hw->fc.requested_mode) { + case ixgbe_fc_none: + /* Flow control completely disabled by software override. */ + pcs_an &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE | + IXGBE_KRM_AN_CNTL_1_ASM_PAUSE); + break; + case ixgbe_fc_tx_pause: + /* Tx Flow control is enabled, and Rx Flow control is + * disabled by software override. + */ + pcs_an |= IXGBE_KRM_PCS_KX_AN_ASM_PAUSE; + pcs_an &= ~IXGBE_KRM_PCS_KX_AN_SYM_PAUSE; + break; + case ixgbe_fc_rx_pause: + /* Rx Flow control is enabled and Tx Flow control is + * disabled by software override. 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, as such we fall + * through to the fc_full statement. Later, we will + * disable the adapter's ability to send PAUSE frames. + */ + case ixgbe_fc_full: + /* Flow control (both Rx and Tx) is enabled by SW override. */ + pcs_an |= IXGBE_KRM_PCS_KX_AN_SYM_PAUSE | + IXGBE_KRM_PCS_KX_AN_ASM_PAUSE; + break; + default: + ERROR_REPORT1(IXGBE_ERROR_ARGUMENT, + "Flow control param set incorrectly\n"); + return IXGBE_ERR_CONFIG; + } + + rc = hw->mac.ops.write_iosf_sb_reg(hw, + IXGBE_KRM_PCS_KX_AN(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, pcs_an); + + /* Restart auto-negotiation. */ + rc = hw->mac.ops.read_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &lctrl); + + if (rc) { + DEBUGOUT("Auto-Negotiation did not complete\n"); + return rc; + } + + lctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART; + rc = hw->mac.ops.write_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, lctrl); + + return rc; +} + +/** + * ixgbe_set_mux - Set mux for port 1 access with CS4227 + * @hw: pointer to hardware structure + * @state: set mux if 1, clear if 0 + */ +STATIC void ixgbe_set_mux(struct ixgbe_hw *hw, u8 state) +{ + u32 esdp; + + if (!hw->bus.lan_id) + return; + esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); + if (state) + esdp |= IXGBE_ESDP_SDP1; + else + esdp &= ~IXGBE_ESDP_SDP1; + IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp); + IXGBE_WRITE_FLUSH(hw); +} + +/** + * ixgbe_acquire_swfw_sync_X550em - Acquire SWFW semaphore + * @hw: pointer to hardware structure + * @mask: Mask to specify which semaphore to acquire + * + * Acquires the SWFW semaphore and sets the I2C MUX + **/ +s32 ixgbe_acquire_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask) +{ + s32 status; + + DEBUGFUNC("ixgbe_acquire_swfw_sync_X550em"); + + status = ixgbe_acquire_swfw_sync_X540(hw, mask); + if (status) + return status; + + if (mask & IXGBE_GSSR_I2C_MASK) + ixgbe_set_mux(hw, 1); + + return IXGBE_SUCCESS; +} + +/** + * ixgbe_release_swfw_sync_X550em - Release SWFW semaphore + * @hw: pointer to hardware structure + * @mask: Mask to specify which semaphore to release + * + * Releases the SWFW semaphore and sets the I2C MUX **/ void ixgbe_release_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask) { @@ -3522,7 +4498,7 @@ void ixgbe_release_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask) * * Acquires the SWFW semaphore and get the shared phy token as needed */ -static s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask) +STATIC s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask) { u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM; int retries = FW_PHY_TOKEN_RETRIES; @@ -3531,18 +4507,22 @@ static s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask) DEBUGFUNC("ixgbe_acquire_swfw_sync_X550a"); while (--retries) { + status = IXGBE_SUCCESS; if (hmask) status = ixgbe_acquire_swfw_sync_X540(hw, hmask); if (status) - break; + return status; if (!(mask & IXGBE_GSSR_TOKEN_SM)) - break; + return IXGBE_SUCCESS; + status = ixgbe_get_phy_token(hw); - if (status != IXGBE_ERR_TOKEN_RETRY) - break; + if (status == IXGBE_SUCCESS) + return IXGBE_SUCCESS; + if (hmask) ixgbe_release_swfw_sync_X540(hw, hmask); - msec_delay(FW_PHY_TOKEN_DELAY); + if (status != IXGBE_ERR_TOKEN_RETRY) + return status; } return status; @@ -3555,7 +4535,7 @@ static s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask) * * Releases the SWFW semaphore and puts the shared phy token as needed */ -static void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask) +STATIC void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask) { u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM; @@ -3568,6 +4548,63 @@ static void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask) ixgbe_release_swfw_sync_X540(hw, hmask); } +/** + * ixgbe_read_phy_reg_x550a - Reads specified PHY register + * @hw: pointer to hardware structure + * @reg_addr: 32 bit address of PHY register to read + * @phy_data: Pointer to read data from PHY register + * + * Reads a value from a specified PHY register using the SWFW lock and PHY + * Token. The PHY Token is needed since the MDIO is shared between to MAC + * instances. + **/ +s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, + u32 device_type, u16 *phy_data) +{ + s32 status; + u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM; + + DEBUGFUNC("ixgbe_read_phy_reg_x550a"); + + if (hw->mac.ops.acquire_swfw_sync(hw, mask)) + return IXGBE_ERR_SWFW_SYNC; + + status = hw->phy.ops.read_reg_mdi(hw, reg_addr, device_type, phy_data); + + hw->mac.ops.release_swfw_sync(hw, mask); + + return status; +} + +/** + * ixgbe_write_phy_reg_x550a - Writes specified PHY register + * @hw: pointer to hardware structure + * @reg_addr: 32 bit PHY register to write + * @device_type: 5 bit device type + * @phy_data: Data to write to the PHY register + * + * Writes a value to specified PHY register using the SWFW lock and PHY Token. + * The PHY Token is needed since the MDIO is shared between to MAC instances. + **/ +s32 ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, + u32 device_type, u16 phy_data) +{ + s32 status; + u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM; + + DEBUGFUNC("ixgbe_write_phy_reg_x550a"); + + if (hw->mac.ops.acquire_swfw_sync(hw, mask) == IXGBE_SUCCESS) { + status = hw->phy.ops.write_reg_mdi(hw, reg_addr, device_type, + phy_data); + hw->mac.ops.release_swfw_sync(hw, mask); + } else { + status = IXGBE_ERR_SWFW_SYNC; + } + + return status; +} + /** * ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt * @hw: pointer to hardware structure