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authorTimothy Pearson <tpearson@raptorengineeringinc.com>2015-08-08 20:31:03 -0500
committerStefan Reinauer <stefan.reinauer@coreboot.org>2015-11-22 23:10:38 +0100
commitaab3ad256a58a9b77ebd3e8ed6e4c4c700c1c9da (patch)
tree000d59f1f1c2747d64504845017f22e56770f83c /src/cpu
parent0d2fdeb36afdd3cfd7576b4c2fb79e134bb58630 (diff)
downloadcoreboot-aab3ad256a58a9b77ebd3e8ed6e4c4c700c1c9da.tar.xz
cpu/amd/family_10h-family_15h: Set up cache controls on Family 15h to improve performance
Change-Id: I3df571d8091c07ac1ee29bf16b5a68585fa9eed4 Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-on: http://review.coreboot.org/12039 Tested-by: build bot (Jenkins) Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/amd/family_10h-family_15h/defaults.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/cpu/amd/family_10h-family_15h/defaults.h b/src/cpu/amd/family_10h-family_15h/defaults.h
index 3fd0f4b3b4..d4999b996e 100644
--- a/src/cpu/amd/family_10h-family_15h/defaults.h
+++ b/src/cpu/amd/family_10h-family_15h/defaults.h
@@ -135,8 +135,9 @@ 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),
@@ -629,6 +630,11 @@ 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 */
};