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netxen: remove pcie workaround 

Remove workaround for pcie bug in early revisions of NX3031
(rev 41 or earlier). This is taken care of during firmware init.

The workaround required writing pcie config reg of every
pcie function on a card, not all of which are enabled.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dhananjay Phadke 2009-02-12 16:41:14 -08:00 committed by David S. Miller
parent cff71e89a8
commit acdb602fb3
1 changed files with 0 additions and 64 deletions
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64
drivers/net/netxen/netxen_nic_main.c
View File

@ -372,67 +372,6 @@ static void netxen_set_port_mode(struct netxen_adapter *adapter)
}
}
#define PCI_CAP_ID_GEN 0x10
static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
{
u32 pdevfuncsave;
u32 c8c9value = 0;
u32 chicken = 0;
u32 control = 0;
int i, pos;
struct pci_dev *pdev;
pdev = adapter->pdev;
adapter->hw_read_wx(adapter,
NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
/* clear chicken3.25:24 */
chicken &= 0xFCFFFFFF;
/*
* if gen1 and B0, set F1020 - if gen 2, do nothing
* if gen2 set to F1000
*/
pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
if (pos == 0xC0) {
pci_read_config_dword(pdev, pos + 0x10, &control);
if ((control & 0x000F0000) != 0x00020000) {
/* set chicken3.24 if gen1 */
chicken |= 0x01000000;
}
printk(KERN_INFO "%s Gen2 strapping detected\n",
netxen_nic_driver_name);
c8c9value = 0xF1000;
} else {
/* set chicken3.24 if gen1 */
chicken |= 0x01000000;
printk(KERN_INFO "%s Gen1 strapping detected\n",
netxen_nic_driver_name);
if (adapter->ahw.revision_id == NX_P3_B0)
c8c9value = 0xF1020;
else
c8c9value = 0;
}
adapter->hw_write_wx(adapter,
NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
if (!c8c9value)
return;
pdevfuncsave = pdev->devfn;
if (pdevfuncsave & 0x07)
return;
for (i = 0; i < 8; i++) {
pci_read_config_dword(pdev, pos + 8, &control);
pci_read_config_dword(pdev, pos + 8, &control);
pci_write_config_dword(pdev, pos + 8, c8c9value);
pdev->devfn++;
}
pdev->devfn = pdevfuncsave;
}
static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
{
u32 control;
@ -812,9 +751,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
netxen_load_firmware(adapter);
if (NX_IS_REVISION_P3(revision_id))
netxen_pcie_strap_init(adapter);
if (NX_IS_REVISION_P2(revision_id)) {
/* Initialize multicast addr pool owners */