void falcon_reconfigure_xmac_core(struct efx_nic *efx) { unsigned int max_frame_len; efx_oword_t reg; bool rx_fc = !!(efx->link_state.fc & EFX_FC_RX); bool tx_fc = !!(efx->link_state.fc & EFX_FC_TX); /* Configure MAC - cut-thru mode is hard wired on */ EFX_POPULATE_OWORD_3(reg, FRF_AB_XM_RX_JUMBO_MODE, 1, FRF_AB_XM_TX_STAT_EN, 1, FRF_AB_XM_RX_STAT_EN, 1); efx_writeo(efx, ®, FR_AB_XM_GLB_CFG); /* Configure TX */ EFX_POPULATE_OWORD_6(reg, FRF_AB_XM_TXEN, 1, FRF_AB_XM_TX_PRMBL, 1, FRF_AB_XM_AUTO_PAD, 1, FRF_AB_XM_TXCRC, 1, FRF_AB_XM_FCNTL, tx_fc, FRF_AB_XM_IPG, 0x3); efx_writeo(efx, ®, FR_AB_XM_TX_CFG); /* Configure RX */ EFX_POPULATE_OWORD_5(reg, FRF_AB_XM_RXEN, 1, FRF_AB_XM_AUTO_DEPAD, 0, FRF_AB_XM_ACPT_ALL_MCAST, 1, FRF_AB_XM_ACPT_ALL_UCAST, efx->promiscuous, FRF_AB_XM_PASS_CRC_ERR, 1); efx_writeo(efx, ®, FR_AB_XM_RX_CFG); /* Set frame length */ max_frame_len = EFX_MAX_FRAME_LEN(efx->net_dev->mtu); EFX_POPULATE_OWORD_1(reg, FRF_AB_XM_MAX_RX_FRM_SIZE, max_frame_len); efx_writeo(efx, ®, FR_AB_XM_RX_PARAM); EFX_POPULATE_OWORD_2(reg, FRF_AB_XM_MAX_TX_FRM_SIZE, max_frame_len, FRF_AB_XM_TX_JUMBO_MODE, 1); efx_writeo(efx, ®, FR_AB_XM_TX_PARAM); EFX_POPULATE_OWORD_2(reg, FRF_AB_XM_PAUSE_TIME, 0xfffe, /* MAX PAUSE TIME */ FRF_AB_XM_DIS_FCNTL, !rx_fc); efx_writeo(efx, ®, FR_AB_XM_FC); /* Set MAC address */ memcpy(®, &efx->net_dev->dev_addr[0], 4); efx_writeo(efx, ®, FR_AB_XM_ADR_LO); memcpy(®, &efx->net_dev->dev_addr[4], 2); efx_writeo(efx, ®, FR_AB_XM_ADR_HI); }
/* Probe all SPI devices on the NIC */ static void falcon_probe_spi_devices(struct efx_nic *efx) { struct falcon_nic_data *nic_data = efx->nic_data; efx_oword_t nic_stat, gpio_ctl, ee_vpd_cfg; int boot_dev; efx_reado(efx, &gpio_ctl, FR_AB_GPIO_CTL); efx_reado(efx, &nic_stat, FR_AB_NIC_STAT); efx_reado(efx, &ee_vpd_cfg, FR_AB_EE_VPD_CFG0); if (EFX_OWORD_FIELD(gpio_ctl, FRF_AB_GPIO3_PWRUP_VALUE)) { boot_dev = (EFX_OWORD_FIELD(nic_stat, FRF_AB_SF_PRST) ? FFE_AB_SPI_DEVICE_FLASH : FFE_AB_SPI_DEVICE_EEPROM); netif_dbg(efx, probe, efx->net_dev, "Booted from %s\n", boot_dev == FFE_AB_SPI_DEVICE_FLASH ? "flash" : "EEPROM"); } else { /* Disable VPD and set clock dividers to safe * values for initial programming. */ boot_dev = -1; netif_dbg(efx, probe, efx->net_dev, "Booted from internal ASIC settings;" " setting SPI config\n"); EFX_POPULATE_OWORD_3(ee_vpd_cfg, FRF_AB_EE_VPD_EN, 0, /* 125 MHz / 7 ~= 20 MHz */ FRF_AB_EE_SF_CLOCK_DIV, 7, /* 125 MHz / 63 ~= 2 MHz */ FRF_AB_EE_EE_CLOCK_DIV, 63); efx_writeo(efx, &ee_vpd_cfg, FR_AB_EE_VPD_CFG0); } mutex_init(&nic_data->spi_lock); if (boot_dev == FFE_AB_SPI_DEVICE_FLASH) falcon_spi_device_init(efx, &nic_data->spi_flash, FFE_AB_SPI_DEVICE_FLASH, default_flash_type); if (boot_dev == FFE_AB_SPI_DEVICE_EEPROM) falcon_spi_device_init(efx, &nic_data->spi_eeprom, FFE_AB_SPI_DEVICE_EEPROM, large_eeprom_type); }