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Commit 5c80cc78 authored by Andreas Herrmann's avatar Andreas Herrmann Committed by H. Peter Anvin
Browse files

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



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

Signed-off-by: default avatarAndreas Herrmann <andreas.herrmann3@amd.com>
LKML-Reference: <20100930124316.GG20545@loge.amd.com>
Signed-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
parent d4fbe4f0

arch/x86/kernel/amd_nb.c

+3 −1
Original line number Diff line number Diff line
@@ -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) *

include/linux/pci_ids.h

+1 −0
Original line number Diff line number Diff line
@@ -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