commit 3fbde1876c746b74107fb34e2e530e920ae9d77c
author Roy Zang <tie-fei.zang@freescale.com> Sat Aug 22 03:49:52 2009 +0800
committer Tom Rix <Tom.Rix@windriver.com> Sat Oct 03 09:04:11 2009 -0500
tree 6e5b297622100c8ab78c0ada81c5962e9d2f2285
parent 06d0e8309e9a8eccb20a56052589557e63509fb8

Use different PBA value for E1000 PCI and PCIe cards

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Acked-by: André Schwarz <andre.schwarz@matrix-vision.de>

drivers/net/e1000.c

diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index b8dd9f2..7f9f783 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -50,7 +50,8 @@
 #define bus_to_phys(devno, a)	pci_mem_to_phys(devno, a)
 #define mdelay(n)	udelay((n)*1000)
 
-#define E1000_DEFAULT_PBA    0x000a0026
+#define E1000_DEFAULT_PCI_PBA	0x00000030
+#define E1000_DEFAULT_PCIE_PBA	0x000a0026
 
 /* NIC specific static variables go here */
 
@@ -1349,9 +1350,16 @@
 	uint32_t ctrl_ext;
 	uint32_t icr;
 	uint32_t manc;
+	uint32_t pba = 0;
 
 	DEBUGFUNC();
 
+	/* get the correct pba value for both PCI and PCIe*/
+	if (hw->mac_type <  e1000_82571)
+		pba = E1000_DEFAULT_PCI_PBA;
+	else
+		pba = E1000_DEFAULT_PCIE_PBA;
+
 	/* For 82542 (rev 2.0), disable MWI before issuing a device reset */
 	if (hw->mac_type == e1000_82542_rev2_0) {
 		DEBUGOUT("Disabling MWI on 82542 rev 2.0\n");
@@ -1419,7 +1427,7 @@
 	if (hw->mac_type == e1000_82542_rev2_0) {
 		pci_write_config_word(hw->pdev, PCI_COMMAND, hw->pci_cmd_word);
 	}
-	E1000_WRITE_REG(hw, PBA, E1000_DEFAULT_PBA);
+	E1000_WRITE_REG(hw, PBA, pba);
 }
 
 /******************************************************************************