static int falcon_probe_nic(struct efx_nic *efx)
{
struct falcon_nic_data *nic_data;
struct falcon_board *board;
int rc;
nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL);
if (!nic_data)
return -ENOMEM;
efx->nic_data = nic_data;
rc = -ENODEV;
if (efx_nic_fpga_ver(efx) != 0) {
netif_err(efx, probe, efx->net_dev,
"Falcon FPGA not supported\n");
goto fail1;
}
if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) {
efx_oword_t nic_stat;
struct pci_dev *dev;
u8 pci_rev = efx->pci_dev->revision;
if ((pci_rev == 0xff) || (pci_rev == 0)) {
netif_err(efx, probe, efx->net_dev,
"Falcon rev A0 not supported\n");
goto fail1;
}
efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
if (EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) == 0) {
netif_err(efx, probe, efx->net_dev,
"Falcon rev A1 1G not supported\n");
goto fail1;
}
if (EFX_OWORD_FIELD(nic_stat, FRF_AA_STRAP_PCIE) == 0) {
netif_err(efx, probe, efx->net_dev,
"Falcon rev A1 PCI-X not supported\n");
goto fail1;
}
dev = pci_dev_get(efx->pci_dev);
while ((dev = pci_get_device(PCI_VENDOR_ID_SOLARFLARE,
PCI_DEVICE_ID_SOLARFLARE_SFC4000A_1,
dev))) {
if (dev->bus == efx->pci_dev->bus &&
dev->devfn == efx->pci_dev->devfn + 1) {
nic_data->pci_dev2 = dev;
break;
}
}
if (!nic_data->pci_dev2) {
netif_err(efx, probe, efx->net_dev,
"failed to find secondary function\n");
rc = -ENODEV;
goto fail2;
}
}
rc = __falcon_reset_hw(efx, RESET_TYPE_ALL);
if (rc) {
netif_err(efx, probe, efx->net_dev, "failed to reset NIC\n");
goto fail3;
}
rc = efx_nic_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t));
if (rc)
goto fail4;
BUG_ON(efx->irq_status.dma_addr & 0x0f);
netif_dbg(efx, probe, efx->net_dev,
"INT_KER at %llx (virt %p phys %llx)\n",
(u64)efx->irq_status.dma_addr,
efx->irq_status.addr,
(u64)virt_to_phys(efx->irq_status.addr));
falcon_probe_spi_devices(efx);
rc = falcon_probe_nvconfig(efx);
if (rc) {
if (rc == -EINVAL)
netif_err(efx, probe, efx->net_dev, "NVRAM is invalid\n");
goto fail5;
}
efx->timer_quantum_ns = 4968;
board = falcon_board(efx);
board->i2c_adap.owner = THIS_MODULE;
board->i2c_data = falcon_i2c_bit_operations;
board->i2c_data.data = efx;
board->i2c_adap.algo_data = &board->i2c_data;
board->i2c_adap.dev.parent = &efx->pci_dev->dev;
strlcpy(board->i2c_adap.name, "SFC4000 GPIO",
sizeof(board->i2c_adap.name));
rc = i2c_bit_add_bus(&board->i2c_adap);
if (rc)
goto fail5;
rc = falcon_board(efx)->type->init(efx);
if (rc) {
netif_err(efx, probe, efx->net_dev,
"failed to initialise board\n");
goto fail6;
}
nic_data->stats_disable_count = 1;
setup_timer(&nic_data->stats_timer, &falcon_stats_timer_func,
(unsigned long)efx);
return 0;
fail6:
BUG_ON(i2c_del_adapter(&board->i2c_adap));
memset(&board->i2c_adap, 0, sizeof(board->i2c_adap));
fail5:
efx_nic_free_buffer(efx, &efx->irq_status);
fail4:
fail3:
if (nic_data->pci_dev2) {
pci_dev_put(nic_data->pci_dev2);
nic_data->pci_dev2 = NULL;
}
fail2:
fail1:
kfree(efx->nic_data);
return rc;
}
static int falcon_probe_nic(struct efx_nic *efx)
{
struct falcon_nic_data *nic_data;
struct falcon_board *board;
int rc;
/* Allocate storage for hardware specific data */
nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL);
if (!nic_data)
return -ENOMEM;
efx->nic_data = nic_data;
rc = -ENODEV;
if (efx_nic_fpga_ver(efx) != 0) {
EFX_ERR(efx, "Falcon FPGA not supported\n");
goto fail1;
}
if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) {
efx_oword_t nic_stat;
struct pci_dev *dev;
u8 pci_rev = efx->pci_dev->revision;
if ((pci_rev == 0xff) || (pci_rev == 0)) {
EFX_ERR(efx, "Falcon rev A0 not supported\n");
goto fail1;
}
efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
if (EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) == 0) {
EFX_ERR(efx, "Falcon rev A1 1G not supported\n");
goto fail1;
}
if (EFX_OWORD_FIELD(nic_stat, FRF_AA_STRAP_PCIE) == 0) {
EFX_ERR(efx, "Falcon rev A1 PCI-X not supported\n");
goto fail1;
}
dev = pci_dev_get(efx->pci_dev);
while ((dev = pci_get_device(EFX_VENDID_SFC, FALCON_A_S_DEVID,
dev))) {
if (dev->bus == efx->pci_dev->bus &&
dev->devfn == efx->pci_dev->devfn + 1) {
nic_data->pci_dev2 = dev;
break;
}
}
if (!nic_data->pci_dev2) {
EFX_ERR(efx, "failed to find secondary function\n");
rc = -ENODEV;
goto fail2;
}
}
/* Now we can reset the NIC */
rc = falcon_reset_hw(efx, RESET_TYPE_ALL);
if (rc) {
EFX_ERR(efx, "failed to reset NIC\n");
goto fail3;
}
/* Allocate memory for INT_KER */
rc = efx_nic_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t));
if (rc)
goto fail4;
BUG_ON(efx->irq_status.dma_addr & 0x0f);
EFX_LOG(efx, "INT_KER at %llx (virt %p phys %llx)\n",
(u64)efx->irq_status.dma_addr,
efx->irq_status.addr, (u64)virt_to_phys(efx->irq_status.addr));
falcon_probe_spi_devices(efx);
/* Read in the non-volatile configuration */
rc = falcon_probe_nvconfig(efx);
if (rc)
goto fail5;
/* Initialise I2C adapter */
board = falcon_board(efx);
board->i2c_adap.owner = THIS_MODULE;
board->i2c_data = falcon_i2c_bit_operations;
board->i2c_data.data = efx;
board->i2c_adap.algo_data = &board->i2c_data;
board->i2c_adap.dev.parent = &efx->pci_dev->dev;
strlcpy(board->i2c_adap.name, "SFC4000 GPIO",
sizeof(board->i2c_adap.name));
rc = i2c_bit_add_bus(&board->i2c_adap);
if (rc)
goto fail5;
rc = falcon_board(efx)->type->init(efx);
if (rc) {
EFX_ERR(efx, "failed to initialise board\n");
goto fail6;
}
nic_data->stats_disable_count = 1;
setup_timer(&nic_data->stats_timer, &falcon_stats_timer_func,
(unsigned long)efx);
return 0;
fail6:
BUG_ON(i2c_del_adapter(&board->i2c_adap));
memset(&board->i2c_adap, 0, sizeof(board->i2c_adap));
fail5:
falcon_remove_spi_devices(efx);
efx_nic_free_buffer(efx, &efx->irq_status);
fail4:
fail3:
if (nic_data->pci_dev2) {
pci_dev_put(nic_data->pci_dev2);
nic_data->pci_dev2 = NULL;
}
fail2:
fail1:
kfree(efx->nic_data);
return rc;
}