diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0108-cpu-amd-model_10xxx-Set-up-cache-controls-on-Family-.patch')
-rw-r--r-- | resources/libreboot/patch/kgpe-d16/0108-cpu-amd-model_10xxx-Set-up-cache-controls-on-Family-.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0108-cpu-amd-model_10xxx-Set-up-cache-controls-on-Family-.patch b/resources/libreboot/patch/kgpe-d16/0108-cpu-amd-model_10xxx-Set-up-cache-controls-on-Family-.patch new file mode 100644 index 0000000..7720666 --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0108-cpu-amd-model_10xxx-Set-up-cache-controls-on-Family-.patch @@ -0,0 +1,41 @@ +From 6b299238948c1cdde372472e3854a79eb6233564 Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <kb9vqf@pearsoncomputing.net> +Date: Sat, 8 Aug 2015 20:31:03 -0500 +Subject: [PATCH 108/146] cpu/amd/model_10xxx: Set up cache controls on Family + 15h to improve performance + +--- + src/cpu/amd/model_10xxx/defaults.h | 10 ++++++++-- + 1 file changed, 8 insertions(+), 2 deletions(-) + +diff --git a/src/cpu/amd/model_10xxx/defaults.h b/src/cpu/amd/model_10xxx/defaults.h +index 5ab4335..ce25b25 100644 +--- a/src/cpu/amd/model_10xxx/defaults.h ++++ b/src/cpu/amd/model_10xxx/defaults.h +@@ -139,8 +139,9 @@ static const struct { + 0x00000000, 1 << (42-32)}, /* Bx [PwcDisableWalkerSharing]=1 */ + + { BU_CFG3, AMD_OR_C0, AMD_PTYPE_ALL, +- 1 << 22, 0x00000000, +- 1 << 22, 0x00000000}, /* C0 or above [PfcDoubleStride]=1 */ ++ (0x3 << 20) | (0x1 << 22), 0x00000000, ++ (0x3 << 20) | (0x1 << 22), 0x00000000}, /* C0 or above [PfcDoubleStride]=1, ++ PfcStrideMul]=0x3 */ + + { EX_CFG, AMD_OR_C0, AMD_PTYPE_ALL, + 0x00000000, 1 << (54-32), +@@ -646,6 +647,11 @@ static const struct { + * System software should set F5x88[14] to 1b. */ + { 5, 0x88, AMD_OR_B2, AMD_PTYPE_ALL, + 1 << 14, 1 << 14 }, ++ ++ /* L3 Control 2 */ ++ { 3, 0x1b8, AMD_FAM15_ALL, AMD_PTYPE_ALL, ++ 0x00000090, 0x000001d0 }, /* ImplRdProjDelayThresh = 0x2, ++ ImplRdAnySubUnavail = 0x1 */ + }; + + +-- +1.7.9.5 + |