This patch sets the config space size for AMD Barcelona PCI devices to
4096.
Signed-off-by: Robert Richter <[EMAIL PROTECTED]>
---
arch/i386/pci/fixup.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
Index: linux-2.6/arch/i386/pci/fixup.c
===================================================================
--- linux-2.6.orig/arch/i386/pci/fixup.c
+++ linux-2.6/arch/i386/pci/fixup.c
@@ -8,6 +8,7 @@
#include <linux/init.h>
#include "pci.h"
+#define PCI_CFG_SPACE_EXP_SIZE 4096
static void __devinit pci_fixup_i450nx(struct pci_dev *d)
{
@@ -444,3 +445,16 @@ static void __devinit pci_siemens_interr
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SIEMENS, 0x0015,
pci_siemens_interrupt_controller);
+
+/*
+ * Extend size of PCI configuration space for AMD CPUs
+ */
+static void __devinit pci_ext_cfg_space_access(struct pci_dev *dev)
+{
+ dev->cfg_size = PCI_CFG_SPACE_EXP_SIZE;
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FAM10H_HT,
pci_ext_cfg_space_access);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FAM10H_MAP,
pci_ext_cfg_space_access);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FAM10H_DRAM,
pci_ext_cfg_space_access);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FAM10H_MISC,
pci_ext_cfg_space_access);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FAM10H_LINK,
pci_ext_cfg_space_access);
--
AMD Saxony, Dresden, Germany
Operating System Research Center
email: [EMAIL PROTECTED]
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