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x86, amd_nb: Enable GART support for AMD family 0x15 CPUs 

AMD CPU family 0x15 still supports GART for compatibility reasons.

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
LKML-Reference: <20100930124316.GG20545@loge.amd.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Andreas Herrmann 2010-09-30 14:43:16 +02:00 committed by H. Peter Anvin
parent d4fbe4f035
commit 5c80cc78de
2 changed files with 4 additions and 1 deletions
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4
arch/x86/kernel/amd_nb.c
View File

@ -15,6 +15,7 @@ static u32 *flush_words;
struct pci_device_id k8_nb_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB_MISC) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_MISC) },
{}
};
EXPORT_SYMBOL(k8_nb_ids);
@ -45,7 +46,8 @@ int cache_k8_northbridges(void)
k8_northbridges.num++;
/* some CPU families (e.g. family 0x11) do not support GART */
if (boot_cpu_data.x86 == 0xf || boot_cpu_data.x86 == 0x10)
if (boot_cpu_data.x86 == 0xf || boot_cpu_data.x86 == 0x10 ||
boot_cpu_data.x86 == 0x15)
k8_northbridges.gart_supported = 1;
k8_northbridges.nb_misc = kmalloc((k8_northbridges.num + 1) *

1
include/linux/pci_ids.h
View File

@ -514,6 +514,7 @@
#define PCI_DEVICE_ID_AMD_11H_NB_DRAM 0x1302
#define PCI_DEVICE_ID_AMD_11H_NB_MISC 0x1303
#define PCI_DEVICE_ID_AMD_11H_NB_LINK 0x1304
#define PCI_DEVICE_ID_AMD_15H_NB_MISC 0x1603
#define PCI_DEVICE_ID_AMD_LANCE 0x2000
#define PCI_DEVICE_ID_AMD_LANCE_HOME 0x2001
#define PCI_DEVICE_ID_AMD_SCSI 0x2020