net/ngbe: add HW initialization
[dpdk.git] / drivers / net / ngbe / base / ngbe_hw.c
index a9819e4..446f4b5 100644 (file)
@@ -8,6 +8,133 @@
 #include "ngbe_mng.h"
 #include "ngbe_hw.h"
 
+/**
+ *  ngbe_init_hw - Generic hardware initialization
+ *  @hw: pointer to hardware structure
+ *
+ *  Initialize the hardware by resetting the hardware, filling the bus info
+ *  structure and media type, clears all on chip counters, initializes receive
+ *  address registers, multicast table, VLAN filter table, calls routine to set
+ *  up link and flow control settings, and leaves transmit and receive units
+ *  disabled and uninitialized
+ **/
+s32 ngbe_init_hw(struct ngbe_hw *hw)
+{
+       s32 status;
+
+       DEBUGFUNC("ngbe_init_hw");
+
+       /* Reset the hardware */
+       status = hw->mac.reset_hw(hw);
+
+       if (status != 0)
+               DEBUGOUT("Failed to initialize HW, STATUS = %d\n", status);
+
+       return status;
+}
+
+static void
+ngbe_reset_misc_em(struct ngbe_hw *hw)
+{
+       int i;
+
+       wr32(hw, NGBE_ISBADDRL, hw->isb_dma & 0xFFFFFFFF);
+       wr32(hw, NGBE_ISBADDRH, hw->isb_dma >> 32);
+
+       /* receive packets that size > 2048 */
+       wr32m(hw, NGBE_MACRXCFG,
+               NGBE_MACRXCFG_JUMBO, NGBE_MACRXCFG_JUMBO);
+
+       wr32m(hw, NGBE_FRMSZ, NGBE_FRMSZ_MAX_MASK,
+               NGBE_FRMSZ_MAX(NGBE_FRAME_SIZE_DFT));
+
+       /* clear counters on read */
+       wr32m(hw, NGBE_MACCNTCTL,
+               NGBE_MACCNTCTL_RC, NGBE_MACCNTCTL_RC);
+
+       wr32m(hw, NGBE_RXFCCFG,
+               NGBE_RXFCCFG_FC, NGBE_RXFCCFG_FC);
+       wr32m(hw, NGBE_TXFCCFG,
+               NGBE_TXFCCFG_FC, NGBE_TXFCCFG_FC);
+
+       wr32m(hw, NGBE_MACRXFLT,
+               NGBE_MACRXFLT_PROMISC, NGBE_MACRXFLT_PROMISC);
+
+       wr32m(hw, NGBE_RSTSTAT,
+               NGBE_RSTSTAT_TMRINIT_MASK, NGBE_RSTSTAT_TMRINIT(30));
+
+       /* errata 4: initialize mng flex tbl and wakeup flex tbl*/
+       wr32(hw, NGBE_MNGFLEXSEL, 0);
+       for (i = 0; i < 16; i++) {
+               wr32(hw, NGBE_MNGFLEXDWL(i), 0);
+               wr32(hw, NGBE_MNGFLEXDWH(i), 0);
+               wr32(hw, NGBE_MNGFLEXMSK(i), 0);
+       }
+       wr32(hw, NGBE_LANFLEXSEL, 0);
+       for (i = 0; i < 16; i++) {
+               wr32(hw, NGBE_LANFLEXDWL(i), 0);
+               wr32(hw, NGBE_LANFLEXDWH(i), 0);
+               wr32(hw, NGBE_LANFLEXMSK(i), 0);
+       }
+
+       /* set pause frame dst mac addr */
+       wr32(hw, NGBE_RXPBPFCDMACL, 0xC2000001);
+       wr32(hw, NGBE_RXPBPFCDMACH, 0x0180);
+
+       wr32(hw, NGBE_MDIOMODE, 0xF);
+
+       wr32m(hw, NGBE_GPIE, NGBE_GPIE_MSIX, NGBE_GPIE_MSIX);
+
+       if ((hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_M88E1512_SFP ||
+               (hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_YT8521S_SFP) {
+               /* gpio0 is used to power on/off control*/
+               wr32(hw, NGBE_GPIODIR, NGBE_GPIODIR_DDR(1));
+               wr32(hw, NGBE_GPIODATA, NGBE_GPIOBIT_0);
+       }
+
+       hw->mac.init_thermal_sensor_thresh(hw);
+
+       /* enable mac transmitter */
+       wr32m(hw, NGBE_MACTXCFG, NGBE_MACTXCFG_TE, NGBE_MACTXCFG_TE);
+
+       /* sellect GMII */
+       wr32m(hw, NGBE_MACTXCFG,
+               NGBE_MACTXCFG_SPEED_MASK, NGBE_MACTXCFG_SPEED_1G);
+
+       for (i = 0; i < 4; i++)
+               wr32m(hw, NGBE_IVAR(i), 0x80808080, 0);
+}
+
+/**
+ *  ngbe_reset_hw_em - Perform hardware reset
+ *  @hw: pointer to hardware structure
+ *
+ *  Resets the hardware by resetting the transmit and receive units, masks
+ *  and clears all interrupts, perform a PHY reset, and perform a link (MAC)
+ *  reset.
+ **/
+s32 ngbe_reset_hw_em(struct ngbe_hw *hw)
+{
+       s32 status;
+
+       DEBUGFUNC("ngbe_reset_hw_em");
+
+       /* Call adapter stop to disable tx/rx and clear interrupts */
+       status = hw->mac.stop_hw(hw);
+       if (status != 0)
+               return status;
+
+       wr32(hw, NGBE_RST, NGBE_RST_LAN(hw->bus.lan_id));
+       ngbe_flush(hw);
+       msec_delay(50);
+
+       ngbe_reset_misc_em(hw);
+
+       msec_delay(50);
+
+       return status;
+}
+
 /**
  *  ngbe_set_lan_id_multi_port - Set LAN id for PCIe multiple port devices
  *  @hw: pointer to the HW structure
@@ -27,6 +154,57 @@ void ngbe_set_lan_id_multi_port(struct ngbe_hw *hw)
        bus->func = bus->lan_id;
 }
 
+/**
+ *  ngbe_stop_hw - Generic stop Tx/Rx units
+ *  @hw: pointer to hardware structure
+ *
+ *  Sets the adapter_stopped flag within ngbe_hw struct. Clears interrupts,
+ *  disables transmit and receive units. The adapter_stopped flag is used by
+ *  the shared code and drivers to determine if the adapter is in a stopped
+ *  state and should not touch the hardware.
+ **/
+s32 ngbe_stop_hw(struct ngbe_hw *hw)
+{
+       u32 reg_val;
+       u16 i;
+
+       DEBUGFUNC("ngbe_stop_hw");
+
+       /*
+        * Set the adapter_stopped flag so other driver functions stop touching
+        * the hardware
+        */
+       hw->adapter_stopped = true;
+
+       /* Disable the receive unit */
+       ngbe_disable_rx(hw);
+
+       /* Clear interrupt mask to stop interrupts from being generated */
+       wr32(hw, NGBE_IENMISC, 0);
+       wr32(hw, NGBE_IMS(0), NGBE_IMS_MASK);
+
+       /* Clear any pending interrupts, flush previous writes */
+       wr32(hw, NGBE_ICRMISC, NGBE_ICRMISC_MASK);
+       wr32(hw, NGBE_ICR(0), NGBE_ICR_MASK);
+
+       /* Disable the transmit unit.  Each queue must be disabled. */
+       for (i = 0; i < hw->mac.max_tx_queues; i++)
+               wr32(hw, NGBE_TXCFG(i), NGBE_TXCFG_FLUSH);
+
+       /* Disable the receive unit by stopping each queue */
+       for (i = 0; i < hw->mac.max_rx_queues; i++) {
+               reg_val = rd32(hw, NGBE_RXCFG(i));
+               reg_val &= ~NGBE_RXCFG_ENA;
+               wr32(hw, NGBE_RXCFG(i), reg_val);
+       }
+
+       /* flush all queues disables */
+       ngbe_flush(hw);
+       msec_delay(2);
+
+       return 0;
+}
+
 /**
  *  ngbe_acquire_swfw_sync - Acquire SWFW semaphore
  *  @hw: pointer to hardware structure
@@ -98,6 +276,54 @@ void ngbe_release_swfw_sync(struct ngbe_hw *hw, u32 mask)
        ngbe_release_eeprom_semaphore(hw);
 }
 
+/**
+ *  ngbe_init_thermal_sensor_thresh - Inits thermal sensor thresholds
+ *  @hw: pointer to hardware structure
+ *
+ *  Inits the thermal sensor thresholds according to the NVM map
+ *  and save off the threshold and location values into mac.thermal_sensor_data
+ **/
+s32 ngbe_init_thermal_sensor_thresh(struct ngbe_hw *hw)
+{
+       struct ngbe_thermal_sensor_data *data = &hw->mac.thermal_sensor_data;
+
+       DEBUGFUNC("ngbe_init_thermal_sensor_thresh");
+
+       memset(data, 0, sizeof(struct ngbe_thermal_sensor_data));
+
+       if (hw->bus.lan_id != 0)
+               return NGBE_NOT_IMPLEMENTED;
+
+       wr32(hw, NGBE_TSINTR,
+               NGBE_TSINTR_AEN | NGBE_TSINTR_DEN);
+       wr32(hw, NGBE_TSEN, NGBE_TSEN_ENA);
+
+
+       data->sensor[0].alarm_thresh = 115;
+       wr32(hw, NGBE_TSATHRE, 0x344);
+       data->sensor[0].dalarm_thresh = 110;
+       wr32(hw, NGBE_TSDTHRE, 0x330);
+
+       return 0;
+}
+
+void ngbe_disable_rx(struct ngbe_hw *hw)
+{
+       u32 pfdtxgswc;
+
+       pfdtxgswc = rd32(hw, NGBE_PSRCTL);
+       if (pfdtxgswc & NGBE_PSRCTL_LBENA) {
+               pfdtxgswc &= ~NGBE_PSRCTL_LBENA;
+               wr32(hw, NGBE_PSRCTL, pfdtxgswc);
+               hw->mac.set_lben = true;
+       } else {
+               hw->mac.set_lben = false;
+       }
+
+       wr32m(hw, NGBE_PBRXCTL, NGBE_PBRXCTL_ENA, 0);
+       wr32m(hw, NGBE_MACRXCFG, NGBE_MACRXCFG_ENA, 0);
+}
+
 /**
  *  ngbe_set_mac_type - Sets MAC type
  *  @hw: pointer to the HW structure
@@ -216,13 +442,22 @@ s32 ngbe_init_ops_pf(struct ngbe_hw *hw)
        bus->set_lan_id = ngbe_set_lan_id_multi_port;
 
        /* MAC */
+       mac->init_hw = ngbe_init_hw;
+       mac->reset_hw = ngbe_reset_hw_em;
+       mac->stop_hw = ngbe_stop_hw;
        mac->acquire_swfw_sync = ngbe_acquire_swfw_sync;
        mac->release_swfw_sync = ngbe_release_swfw_sync;
 
+       /* Manageability interface */
+       mac->init_thermal_sensor_thresh = ngbe_init_thermal_sensor_thresh;
+
        /* EEPROM */
        rom->init_params = ngbe_init_eeprom_params;
        rom->validate_checksum = ngbe_validate_eeprom_checksum_em;
 
+       mac->max_rx_queues      = NGBE_EM_MAX_RX_QUEUES;
+       mac->max_tx_queues      = NGBE_EM_MAX_TX_QUEUES;
+
        return 0;
 }