e1000: Add support for the CE4100 reference platform

This patch adds support for the gigabit phys present on the CE4100 reference
platforms.

Signed-off-by:  Dirk Brandewie <dirk.j.brandewie@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dirk Brandewie
2011-01-06 14:29:54 +00:00
committed by David S. Miller
parent 77996d1d4c
commit 5377a4160b
4 changed files with 365 additions and 76 deletions

View File

@@ -28,6 +28,12 @@
#include "e1000.h"
#include <net/ip6_checksum.h>
#include <linux/io.h>
/* Intel Media SOC GbE MDIO physical base address */
static unsigned long ce4100_gbe_mdio_base_phy;
/* Intel Media SOC GbE MDIO virtual base address */
void __iomem *ce4100_gbe_mdio_base_virt;
char e1000_driver_name[] = "e1000";
static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
@@ -79,6 +85,7 @@ static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
INTEL_E1000_ETHERNET_DEVICE(0x108A),
INTEL_E1000_ETHERNET_DEVICE(0x1099),
INTEL_E1000_ETHERNET_DEVICE(0x10B5),
INTEL_E1000_ETHERNET_DEVICE(0x2E6E),
/* required last entry */
{0,}
};
@@ -459,6 +466,7 @@ static void e1000_power_down_phy(struct e1000_adapter *adapter)
case e1000_82545:
case e1000_82545_rev_3:
case e1000_82546:
case e1000_ce4100:
case e1000_82546_rev_3:
case e1000_82541:
case e1000_82541_rev_2:
@@ -573,6 +581,7 @@ void e1000_reset(struct e1000_adapter *adapter)
case e1000_82545:
case e1000_82545_rev_3:
case e1000_82546:
case e1000_ce4100:
case e1000_82546_rev_3:
pba = E1000_PBA_48K;
break;
@@ -894,6 +903,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
static int global_quad_port_a = 0; /* global ksp3 port a indication */
int i, err, pci_using_dac;
u16 eeprom_data = 0;
u16 tmp = 0;
u16 eeprom_apme_mask = E1000_EEPROM_APME;
int bars, need_ioport;
@@ -996,6 +1006,14 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
goto err_sw_init;
err = -EIO;
if (hw->mac_type == e1000_ce4100) {
ce4100_gbe_mdio_base_phy = pci_resource_start(pdev, BAR_1);
ce4100_gbe_mdio_base_virt = ioremap(ce4100_gbe_mdio_base_phy,
pci_resource_len(pdev, BAR_1));
if (!ce4100_gbe_mdio_base_virt)
goto err_mdio_ioremap;
}
if (hw->mac_type >= e1000_82543) {
netdev->features = NETIF_F_SG |
@@ -1135,6 +1153,20 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
adapter->wol = adapter->eeprom_wol;
device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
/* Auto detect PHY address */
if (hw->mac_type == e1000_ce4100) {
for (i = 0; i < 32; i++) {
hw->phy_addr = i;
e1000_read_phy_reg(hw, PHY_ID2, &tmp);
if (tmp == 0 || tmp == 0xFF) {
if (i == 31)
goto err_eeprom;
continue;
} else
break;
}
}
/* reset the hardware with the new settings */
e1000_reset(adapter);
@@ -1171,6 +1203,8 @@ err_eeprom:
kfree(adapter->rx_ring);
err_dma:
err_sw_init:
err_mdio_ioremap:
iounmap(ce4100_gbe_mdio_base_virt);
iounmap(hw->hw_addr);
err_ioremap:
free_netdev(netdev);
@@ -1409,6 +1443,7 @@ static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
/* First rev 82545 and 82546 need to not allow any memory
* write location to cross 64k boundary due to errata 23 */
if (hw->mac_type == e1000_82545 ||
hw->mac_type == e1000_ce4100 ||
hw->mac_type == e1000_82546) {
return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
}