/**
* e1000_probe - Initial configuration of e1000 NIC
*
* @v pci PCI device
* @v id PCI IDs
*
* @ret rc Return status code
**/
int e1000_probe ( struct pci_device *pdev )
{
int i, err;
struct net_device *netdev;
struct e1000_adapter *adapter;
unsigned long mmio_start, mmio_len;
DBG ( "e1000_probe\n" );
err = -ENOMEM;
/* Allocate net device ( also allocates memory for netdev->priv
and makes netdev-priv point to it ) */
netdev = alloc_etherdev ( sizeof ( struct e1000_adapter ) );
if ( ! netdev )
goto err_alloc_etherdev;
/* Associate e1000-specific network operations operations with
* generic network device layer */
netdev_init ( netdev, &e1000_operations );
/* Associate this network device with given PCI device */
pci_set_drvdata ( pdev, netdev );
netdev->dev = &pdev->dev;
/* Initialize driver private storage */
adapter = netdev_priv ( netdev );
memset ( adapter, 0, ( sizeof ( *adapter ) ) );
adapter->pdev = pdev;
adapter->ioaddr = pdev->ioaddr;
adapter->hw.io_base = pdev->ioaddr;
adapter->irqno = pdev->irq;
adapter->netdev = netdev;
adapter->hw.back = adapter;
adapter->tx_ring_size = sizeof ( *adapter->tx_base ) * NUM_TX_DESC;
adapter->rx_ring_size = sizeof ( *adapter->rx_base ) * NUM_RX_DESC;
mmio_start = pci_bar_start ( pdev, PCI_BASE_ADDRESS_0 );
mmio_len = pci_bar_size ( pdev, PCI_BASE_ADDRESS_0 );
DBG ( "mmio_start: %#08lx\n", mmio_start );
DBG ( "mmio_len: %#08lx\n", mmio_len );
/* Fix up PCI device */
adjust_pci_device ( pdev );
err = -EIO;
adapter->hw.hw_addr = ioremap ( mmio_start, mmio_len );
DBG ( "adapter->hw.hw_addr: %p\n", adapter->hw.hw_addr );
if ( ! adapter->hw.hw_addr )
goto err_ioremap;
/* Hardware features, flags and workarounds */
if (adapter->hw.mac.type >= e1000_82540) {
adapter->flags |= E1000_FLAG_HAS_SMBUS;
adapter->flags |= E1000_FLAG_HAS_INTR_MODERATION;
}
if (adapter->hw.mac.type == e1000_82543)
adapter->flags |= E1000_FLAG_BAD_TX_CARRIER_STATS_FD;
adapter->hw.phy.autoneg_wait_to_complete = true;
adapter->hw.mac.adaptive_ifs = true;
/* setup the private structure */
if ( ( err = e1000_sw_init ( adapter ) ) )
goto err_sw_init;
if ((err = e1000_init_mac_params(&adapter->hw)))
goto err_hw_init;
if ((err = e1000_init_nvm_params(&adapter->hw)))
goto err_hw_init;
/* Force auto-negotiated speed and duplex */
adapter->hw.mac.autoneg = 1;
if ((err = e1000_init_phy_params(&adapter->hw)))
goto err_hw_init;
DBG ( "adapter->hw.mac.type: %#08x\n", adapter->hw.mac.type );
/* before reading the EEPROM, reset the controller to
* put the device in a known good starting state
*/
err = e1000_reset_hw ( &adapter->hw );
if ( err < 0 ) {
DBG ( "Hardware Initialization Failed\n" );
goto err_reset;
}
/* make sure the NVM is good */
if ( e1000_validate_nvm_checksum(&adapter->hw) < 0 ) {
DBG ( "The NVM Checksum Is Not Valid\n" );
err = -EIO;
goto err_eeprom;
}
/* copy the MAC address out of the EEPROM */
if ( e1000_read_mac_addr ( &adapter->hw ) )
DBG ( "EEPROM Read Error\n" );
memcpy ( netdev->hw_addr, adapter->hw.mac.perm_addr, ETH_ALEN );
/* reset the hardware with the new settings */
e1000_reset ( adapter );
if ( ( err = register_netdev ( netdev ) ) != 0)
goto err_register;
/* Mark as link up; we don't yet handle link state */
netdev_link_up ( netdev );
for (i = 0; i < 6; i++)
DBG ("%02x%s", netdev->ll_addr[i], i == 5 ? "\n" : ":");
DBG ( "e1000_probe succeeded!\n" );
/* No errors, return success */
return 0;
/* Error return paths */
err_reset:
err_register:
err_hw_init:
err_eeprom:
if (!e1000_check_reset_block(&adapter->hw))
e1000_phy_hw_reset(&adapter->hw);
if (adapter->hw.flash_address)
iounmap(adapter->hw.flash_address);
err_sw_init:
iounmap ( adapter->hw.hw_addr );
err_ioremap:
netdev_put ( netdev );
err_alloc_etherdev:
return err;
}
/**
* Probe PCI device
*
* @v pci PCI device
* @ret rc Return status code
*/
static int rhine_probe ( struct pci_device *pci ) {
struct net_device *netdev;
struct rhine_nic *rhn;
uint8_t revision;
unsigned int i;
int rc;
/* Allocate and initialise net device */
netdev = alloc_etherdev ( sizeof ( *rhn ) );
if ( ! netdev ) {
rc = -ENOMEM;
goto err_alloc;
}
netdev_init ( netdev, &rhine_operations );
rhn = netdev->priv;
pci_set_drvdata ( pci, netdev );
netdev->dev = &pci->dev;
memset ( rhn, 0, sizeof ( *rhn ) );
rhine_init_ring ( &rhn->tx, RHINE_TXDESC_NUM, RHINE_TXQUEUE_BASE );
rhine_init_ring ( &rhn->rx, RHINE_RXDESC_NUM, RHINE_RXQUEUE_BASE );
/* Fix up PCI device */
adjust_pci_device ( pci );
/* Map registers */
rhn->regs = ioremap ( pci->membase, RHINE_BAR_SIZE );
rhn->ioaddr = pci->ioaddr;
DBGC ( rhn, "RHINE %p regs at %08lx, I/O at %04lx\n", rhn,
pci->membase, pci->ioaddr );
/* Reset the NIC */
if ( ( rc = rhine_reset ( rhn ) ) != 0 )
goto err_reset;
/* Reload EEPROM */
if ( ( rc = rhine_reload_eeprom ( rhn ) ) != 0 )
goto err_reload_eeprom;
/* Read card revision and enable MMIO */
pci_read_config_byte ( pci, PCI_REVISION, &revision );
DBGC ( rhn, "RHINE %p revision %#02x detected\n", rhn, revision );
rhine_enable_mmio ( rhn, revision );
/* Read MAC address */
for ( i = 0 ; i < ETH_ALEN ; i++ )
netdev->hw_addr[i] = readb ( rhn->regs + RHINE_MAC + i );
/* Initialise and reset MII interface */
mii_init ( &rhn->mii, &rhine_mii_operations );
if ( ( rc = mii_reset ( &rhn->mii ) ) != 0 ) {
DBGC ( rhn, "RHINE %p could not reset MII: %s\n",
rhn, strerror ( rc ) );
goto err_mii_reset;
}
DBGC ( rhn, "RHINE PHY vendor %04x device %04x\n",
rhine_mii_read ( &rhn->mii, 0x02 ),
rhine_mii_read ( &rhn->mii, 0x03 ) );
/* Register network device */
if ( ( rc = register_netdev ( netdev ) ) != 0 )
goto err_register_netdev;
/* Set initial link state */
rhine_check_link ( netdev );
return 0;
err_register_netdev:
err_mii_reset:
err_reload_eeprom:
rhine_reset ( rhn );
err_reset:
netdev_nullify ( netdev );
netdev_put ( netdev );
err_alloc:
return rc;
}
struct nic *sis900_probe(struct nic *nic, unsigned short *io_addrs, struct pci_device *pci)
{
int i;
int found=0;
int phy_addr;
u16 signature;
u8 revision;
int ret;
if (io_addrs == 0 || *io_addrs == 0)
return NULL;
ioaddr = *io_addrs & ~3;
vendor = pci->vendor;
dev_id = pci->dev_id;
pcibios_write_config_dword(pci->bus, pci->devfn, 0x40, 0x00000000);
adjust_pci_device(pci);
ret = 0;
pcibios_read_config_byte(pci->bus,pci->devfn, PCI_REVISION, &revision);
if (revision == SIS630E_900_REV || revision == SIS630EA1_900_REV)
ret = sis630e_get_mac_addr(pci, nic);
else if (revision == SIS630S_900_REV)
ret = sis630e_get_mac_addr(pci, nic);
else
ret = sis900_get_mac_addr(pci, nic);
if (ret == 0)
{
printf ("sis900_probe: Error MAC address not found\n");
return NULL;
}
printf("\nsis900_probe: MAC addr %! at ioaddr %#hX\n",
nic->node_addr, ioaddr);
printf("sis900_probe: Vendor:%#hX Device:%#hX\n", vendor, dev_id);
found = 0;
for (phy_addr = 0; phy_addr < 32; phy_addr++) {
u16 mii_status;
u16 phy_id0, phy_id1;
mii_status = sis900_mdio_read(phy_addr, MII_STATUS);
if (mii_status == 0xffff || mii_status == 0x0000)
continue;
phy_id0 = sis900_mdio_read(phy_addr, MII_PHY_ID0);
phy_id1 = sis900_mdio_read(phy_addr, MII_PHY_ID1);
for (i = 0; mii_chip_table[i].phy_id1; i++) {
if (phy_id0 == mii_chip_table[i].phy_id0) {
printf("sis900_probe: %s transceiver found at address %d.\n",
mii_chip_table[i].name, phy_addr);
mii.chip_info = &mii_chip_table[i];
mii.phy_addr = phy_addr;
mii.status = sis900_mdio_read(phy_addr, MII_STATUS);
mii.next = NULL;
found=1;
break;
}
}
}
if (found == 0) {
printf("sis900_probe: No MII transceivers found!\n");
return NULL;
}
cur_phy = mii.phy_addr;
printf("sis900_probe: Using %s as default\n", mii.chip_info->name);
sis900_init(nic);
nic->reset = sis900_init;
nic->poll = sis900_poll;
nic->transmit = sis900_transmit;
nic->disable = sis900_disable;
return nic;
}
