From 5c80cc78de46aef6cd5e714208da05c3f7f548f8 Mon Sep 17 00:00:00 2001 From: Andreas Herrmann Date: Thu, 30 Sep 2010 14:43:16 +0200 Subject: [PATCH] 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 LKML-Reference: <20100930124316.GG20545@loge.amd.com> Signed-off-by: H. Peter Anvin --- arch/x86/kernel/amd_nb.c | 4 +++- include/linux/pci_ids.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index 4ffc38df7ac5..8f6463d8ed0d 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -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) * diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 10d33309e9a6..edc0279be72f 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -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