diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0134-cpu-amd-model_10xxx-Apply-missing-Family-15h-errata-.patch')
-rw-r--r-- | resources/libreboot/patch/kgpe-d16/0134-cpu-amd-model_10xxx-Apply-missing-Family-15h-errata-.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0134-cpu-amd-model_10xxx-Apply-missing-Family-15h-errata-.patch b/resources/libreboot/patch/kgpe-d16/0134-cpu-amd-model_10xxx-Apply-missing-Family-15h-errata-.patch new file mode 100644 index 0000000..5f3d325 --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0134-cpu-amd-model_10xxx-Apply-missing-Family-15h-errata-.patch @@ -0,0 +1,68 @@ +From ac7cef89f29757df10f660a960c16e818d28de03 Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <kb9vqf@pearsoncomputing.net> +Date: Thu, 3 Sep 2015 17:43:52 -0500 +Subject: [PATCH 134/146] cpu/amd/model_10xxx: Apply missing Family 15h errata + fixes + +--- + src/cpu/amd/model_10xxx/defaults.h | 12 ++++++++++++ + src/northbridge/amd/amdfam10/misc_control.c | 6 ++++++ + 2 files changed, 18 insertions(+) + +diff --git a/src/cpu/amd/model_10xxx/defaults.h b/src/cpu/amd/model_10xxx/defaults.h +index af59120..7a84fcb 100644 +--- a/src/cpu/amd/model_10xxx/defaults.h ++++ b/src/cpu/amd/model_10xxx/defaults.h +@@ -166,6 +166,14 @@ static const struct { + 0x0000000C, 0x00000000, + 0x0000000C, 0x00000000}, /* Cx and Dx multiple-link processor */ + ++ { OSVW_ID_Length, AMD_FAM15_ALL, AMD_PTYPE_ALL, ++ 0x00000005, 0x00000000, ++ 0x00000005, 0x00000000}, /* OSVW_ID_Length = 0x5 */ ++ ++ { OSVW_Status, AMD_FAM15_ALL, AMD_PTYPE_ALL, ++ 0x00000010, 0x00000000, ++ 0x00000010, 0x00000000}, /* OsvwId4 = 0x1 */ ++ + { BU_CFG2, AMD_DR_Dx, AMD_PTYPE_ALL, + 0x00000000, 1 << (50-32), + 0x00000000, 1 << (50-32)}, /* D0 or Above, RdMmExtCfgQwEn*/ +@@ -638,6 +646,10 @@ static const struct { + { 3, 0x1b8, (AMD_FAM10_ALL | AMD_FAM15_ALL), AMD_PTYPE_ALL, + 0x00001000, 0x00001000 }, /* [12] = L3PrivReplEn */ + ++ /* Errata 504 workaround */ ++ { 3, 0x1b8, AMD_FAM15_ALL, AMD_PTYPE_ALL, ++ 0x00040000, 0x00040000 }, /* [18] = 1b */ ++ + /* IBS Control Register */ + { 3, 0x1cc, (AMD_FAM10_ALL | AMD_FAM15_ALL), AMD_PTYPE_ALL, + 0x00000100, 0x00000100 }, /* [8] = LvtOffsetVal */ +diff --git a/src/northbridge/amd/amdfam10/misc_control.c b/src/northbridge/amd/amdfam10/misc_control.c +index 61cf1b6..fcb28c4 100644 +--- a/src/northbridge/amd/amdfam10/misc_control.c ++++ b/src/northbridge/amd/amdfam10/misc_control.c +@@ -80,6 +80,7 @@ static void mcf3_read_resources(device_t dev) + + static void set_agp_aperture(device_t dev, uint32_t pci_id) + { ++ uint32_t dword; + struct resource *resource; + + resource = probe_resource(dev, 0x94); +@@ -110,6 +111,11 @@ static void set_agp_aperture(device_t dev, uint32_t pci_id) + + /* Report the resource has been stored... */ + report_resource_stored(pdev, resource, " <gart>"); ++ ++ /* Errata 540 workaround */ ++ dword = pci_read_config32(pdev, 0x90); ++ dword |= 0x1 << 6; /* DisGartTblWlkPrb = 0x1 */ ++ pci_write_config32(pdev, 0x90, dword); + } + } + } +-- +1.7.9.5 + |