Patch set updated for coreboot: cpu/amd/family_10h-family_15h: Set up cache controls on Family 15h to improve performance

[Timothy Pearson]

Timothy Pearson ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/12039

-gerrit

commit 4d3d2f4af64085fe262f0a72926e8e392d238458
Author: Timothy Pearson 
Date:   Sat Aug 8 20:31:03 2015 -0500

cpu/amd/family_10h-family_15h: Set up cache controls on Family 15h to improve performance

Change-Id: I3df571d8091c07ac1ee29bf16b5a68585fa9eed4
    Signed-off-by: Timothy Pearson 
---
 src/cpu/amd/family_10h-family_15h/defaults.h | 10 ++++++++--
 1 file 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 3fd0f4b..d4999b9 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 */
 };