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-rw-r--r--resources/libreboot/patch/kgpe-d16/0141-cpu-amd-model_10xxx-Enable-DFE-on-Family-15h-HT3-lin.patch44
1 files changed, 44 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0141-cpu-amd-model_10xxx-Enable-DFE-on-Family-15h-HT3-lin.patch b/resources/libreboot/patch/kgpe-d16/0141-cpu-amd-model_10xxx-Enable-DFE-on-Family-15h-HT3-lin.patch
new file mode 100644
index 0000000..3968d10
--- /dev/null
+++ b/resources/libreboot/patch/kgpe-d16/0141-cpu-amd-model_10xxx-Enable-DFE-on-Family-15h-HT3-lin.patch
@@ -0,0 +1,44 @@
+From c8c36ead5561c661604bd2e141be91091a6e8a99 Mon Sep 17 00:00:00 2001
+From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
+Date: Sun, 13 Sep 2015 15:54:32 -0500
+Subject: [PATCH 141/146] cpu/amd/model_10xxx: Enable DFE on Family 15h HT3
+ links
+
+---
+ src/cpu/amd/model_10xxx/defaults.h | 8 ++++++++
+ src/cpu/amd/model_10xxx/init_cpus.c | 2 +-
+ 2 files changed, 9 insertions(+), 1 deletion(-)
+
+diff --git a/src/cpu/amd/model_10xxx/defaults.h b/src/cpu/amd/model_10xxx/defaults.h
+index 7a84fcb..b906866 100644
+--- a/src/cpu/amd/model_10xxx/defaults.h
++++ b/src/cpu/amd/model_10xxx/defaults.h
+@@ -857,4 +857,12 @@ static const struct {
+ { 0xC0, AMD_FAM15_ALL, AMD_PTYPE_ALL, HTPHY_LINKTYPE_ALL,
+ 0x40040000, 0xe01F0000 }, /* [31:29] RttCtl = 02h,
+ [20:16] RttIndex = 04h */
++
++ { 0xc4, AMD_FAM15_ALL, AMD_PTYPE_ALL, HTPHY_LINKTYPE_HT3,
++ 0x00013480, 0x0003fc80 }, /* [17:10] DCV = 0x4d,
++ [7] DfeEn = 0x1 */
++
++ { 0xd4, AMD_FAM15_ALL, AMD_PTYPE_ALL, HTPHY_LINKTYPE_HT3,
++ 0x00013480, 0x0003fc80 }, /* [17:10] DCV = 0x4d,
++ [7] DfeEn = 0x1 */
+ };
+diff --git a/src/cpu/amd/model_10xxx/init_cpus.c b/src/cpu/amd/model_10xxx/init_cpus.c
+index 0604ef8..2c106fe 100644
+--- a/src/cpu/amd/model_10xxx/init_cpus.c
++++ b/src/cpu/amd/model_10xxx/init_cpus.c
+@@ -1186,7 +1186,7 @@ static void cpuSetAMDPCI(u8 node)
+ /* Check for dual node capability */
+ if (f3xe8 & 0x20000000)
+ dual_node = 1;
+-
++
+ /* Determine the number of active compute units on this node */
+ f5x80 = pci_read_config32(NODE_PCI(node, 5), 0x80);
+ cu_enabled = f5x80 & 0xf;
+--
+1.7.9.5
+