aboutsummaryrefslogtreecommitdiff
path: root/resources/libreboot/patch/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Add-missing-Family-1.patch
diff options
context:
space:
mode:
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Add-missing-Family-1.patch')
-rw-r--r--resources/libreboot/patch/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Add-missing-Family-1.patch266
1 files changed, 266 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Add-missing-Family-1.patch b/resources/libreboot/patch/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Add-missing-Family-1.patch
new file mode 100644
index 00000000..4993062d
--- /dev/null
+++ b/resources/libreboot/patch/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Add-missing-Family-1.patch
@@ -0,0 +1,266 @@
+From 7a77252a55fa5de541a7e6c687fcd42168f86d55 Mon Sep 17 00:00:00 2001
+From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
+Date: Fri, 26 Jun 2015 14:15:57 -0500
+Subject: [PATCH 079/146] northbridge/amd/amdmct/mct_ddr3: Add missing Family
+ 15h RDIMM Rtt values
+
+---
+ src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 4 +-
+ src/northbridge/amd/amdmct/mct_ddr3/mctsdi.c | 201 +++++++++++++++++++++++++-
+ 2 files changed, 198 insertions(+), 7 deletions(-)
+
+diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
+index 61293ba..68ff3f8 100644
+--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
++++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
+@@ -897,8 +897,8 @@ static uint32_t fam15h_output_driver_compensation_code(struct DCTStatStruc *pDCT
+ }
+ } else if (MaxDimmsInstallable == 3) {
+ /* TODO
+- * 3 DIMM/channel support unimplemented
+- */
++ * 3 DIMM/channel support unimplemented
++ */
+ }
+ } else if (pDCTstat->Status & (1 << SB_LoadReduced)) {
+ /* LRDIMM */
+diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctsdi.c b/src/northbridge/amd/amdmct/mct_ddr3/mctsdi.c
+index c7d7463..dfbd2d9 100644
+--- a/src/northbridge/amd/amdmct/mct_ddr3/mctsdi.c
++++ b/src/northbridge/amd/amdmct/mct_ddr3/mctsdi.c
+@@ -42,6 +42,10 @@ static uint8_t fam15_rttwr(struct DCTStatStruc *pDCTstat, uint8_t dct, uint8_t d
+ uint8_t frequency_index;
+ uint8_t rank_count = pDCTstat->DimmRanks[(dimm * 2) + dct];
+
++ uint8_t rank_count_dimm0;
++ uint8_t rank_count_dimm1;
++ uint8_t rank_count_dimm2;
++
+ if (is_fam15h())
+ frequency_index = Get_NB32_DCT(pDCTstat->dev_dct, dct, 0x94) & 0x1f;
+ else
+@@ -54,11 +58,80 @@ static uint8_t fam15_rttwr(struct DCTStatStruc *pDCTstat, uint8_t dct, uint8_t d
+ uint8_t MaxDimmsInstallable = 2;
+
+ if (is_fam15h()) {
+- if (pDCTstat->Status & (1 << SB_Registered)) {
++ if (pDCTstat->Status & (1 << SB_LoadReduced)) {
+ /* TODO
+- * RDIMM unimplemented
++ * LRDIMM unimplemented
+ */
++ } else if (pDCTstat->Status & (1 << SB_Registered)) {
++ /* RDIMM */
++ if (package_type == PT_GR) {
++ /* Socket G34: Fam15h BKDG v3.14 Table 57 */
++ if (MaxDimmsInstallable == 1) {
++ if ((frequency_index == 0x4) || (frequency_index == 0x6)
++ || (frequency_index == 0xa) || (frequency_index == 0xe)) {
++ /* DDR3-667 - DDR3-1333 */
++ if (rank_count < 3)
++ term = 0x0;
++ else
++ term = 0x2;
++ } else {
++ /* DDR3-1600 */
++ term = 0x0;
++ }
++ } else if (MaxDimmsInstallable == 2) {
++ rank_count_dimm0 = pDCTstat->DimmRanks[(0 * 2) + dct];
++ rank_count_dimm1 = pDCTstat->DimmRanks[(1 * 2) + dct];
++
++ if ((frequency_index == 0x4) || (frequency_index == 0x6)) {
++ /* DDR3-667 - DDR3-800 */
++ if ((number_of_dimms == 1) && ((rank_count_dimm0 < 4)
++ && (rank_count_dimm1 < 4)))
++ term = 0x0;
++ else
++ term = 0x2;
++ } else if (frequency_index == 0xa) {
++ /* DDR3-1066 */
++ if (number_of_dimms == 1) {
++ if ((rank_count_dimm0 < 4) && (rank_count_dimm1 < 4))
++ term = 0x0;
++ else
++ term = 0x2;
++ } else {
++ term = 0x1;
++ }
++ } else if (frequency_index == 0xe) {
++ /* DDR3-1333 */
++ term = 0x2;
++ } else {
++ /* DDR3-1600 */
++ if (number_of_dimms == 1)
++ term = 0x0;
++ else
++ term = 0x1;
++ }
++ } else if (MaxDimmsInstallable == 3) {
++ rank_count_dimm2 = pDCTstat->DimmRanks[(2 * 2) + dct];
++
++ if ((frequency_index == 0xa) || (frequency_index == 0xe)) {
++ /* DDR3-1066 - DDR3-1333 */
++ if (rank_count_dimm2 < 4)
++ term = 0x1;
++ else
++ term = 0x2;
++ } else if (frequency_index == 0x12) {
++ /* DDR3-1600 */
++ term = 0x1;
++ } else {
++ term = 0x2;
++ }
++ }
++ } else {
++ /* TODO
++ * Other sockets unimplemented
++ */
++ }
+ } else {
++ /* UDIMM */
+ if (package_type == PT_GR) {
+ /* Socket G34: Fam15h BKDG v3.14 Table 56 */
+ if (MaxDimmsInstallable == 1) {
+@@ -103,6 +176,9 @@ static uint8_t fam15_rttnom(struct DCTStatStruc *pDCTstat, uint8_t dct, uint8_t
+ uint8_t number_of_dimms = pDCTstat->MAdimms[dct];
+ uint8_t frequency_index;
+
++ uint8_t rank_count_dimm0;
++ uint8_t rank_count_dimm1;
++
+ if (is_fam15h())
+ frequency_index = Get_NB32_DCT(pDCTstat->dev_dct, dct, 0x94) & 0x1f;
+ else
+@@ -120,10 +196,125 @@ static uint8_t fam15_rttnom(struct DCTStatStruc *pDCTstat, uint8_t dct, uint8_t
+ * LRDIMM unimplemented
+ */
+ } else if (pDCTstat->Status & (1 << SB_Registered)) {
+- /* TODO
+- * RDIMM unimplemented
+- */
++ /* RDIMM */
++ if (package_type == PT_GR) {
++ /* Socket G34: Fam15h BKDG v3.14 Table 57 */
++ if (MaxDimmsInstallable == 1) {
++ rank_count_dimm0 = pDCTstat->DimmRanks[(0 * 2) + dct];
++
++ if ((frequency_index == 0x4) || (frequency_index == 0x6)) {
++ /* DDR3-667 - DDR3-800 */
++ if (rank_count_dimm0 < 4) {
++ term = 0x2;
++ } else {
++ if (!rank)
++ term = 0x2;
++ else
++ term = 0x0;
++ }
++ } else if (frequency_index == 0xa) {
++ /* DDR3-1066 */
++ term = 0x1;
++ } else if (frequency_index == 0xe) {
++ /* DDR3-1333 */
++ if (rank_count_dimm0 < 4) {
++ term = 0x1;
++ } else {
++ if (!rank)
++ term = 0x3;
++ else
++ term = 0x0;
++ }
++ } else {
++ term = 0x3;
++ }
++ } else if (MaxDimmsInstallable == 2) {
++ rank_count_dimm0 = pDCTstat->DimmRanks[(0 * 2) + dct];
++ rank_count_dimm1 = pDCTstat->DimmRanks[(1 * 2) + dct];
++
++ if ((frequency_index == 0x4) || (frequency_index == 0x6)) {
++ /* DDR3-667 - DDR3-800 */
++ if (number_of_dimms == 1) {
++ if ((rank_count_dimm0 < 4) && (rank_count_dimm1 < 4))
++ term = 0x2;
++ else if (rank)
++ term = 0x0;
++ else
++ term = 0x2;
++ } else {
++ if ((rank_count_dimm0 < 4) && (rank_count_dimm1 < 4)) {
++ term = 0x3;
++ } else {
++ if (rank_count_dimm0 == 4) {
++ if (rank_count_dimm1 == 1)
++ term = 0x5;
++ else
++ term = 0x1;
++ } else if (rank_count_dimm1 == 4) {
++ if (rank_count_dimm0 == 1)
++ term = 0x5;
++ else
++ term = 0x1;
++ }
++ if (rank)
++ term = 0x0;
++ }
++ }
++ } else if (frequency_index == 0xa) {
++ /* DDR3-1066 */
++ if (number_of_dimms == 1) {
++ if ((rank_count_dimm0 < 4) && (rank_count_dimm1 < 4))
++ term = 0x1;
++ else if (rank)
++ term = 0x0;
++ else
++ term = 0x1;
++ } else {
++ if ((rank_count_dimm0 < 4) && (rank_count_dimm1 < 4)) {
++ term = 0x3;
++ } else {
++ if (rank_count_dimm0 == 4) {
++ if (rank_count_dimm1 == 1)
++ term = 0x5;
++ else
++ term = 0x1;
++ } else if (rank_count_dimm1 == 4) {
++ if (rank_count_dimm0 == 1)
++ term = 0x5;
++ else
++ term = 0x1;
++ }
++ if (rank)
++ term = 0x0;
++ }
++ }
++ } else if (frequency_index == 0xe) {
++ /* DDR3-1333 */
++ if (number_of_dimms == 1) {
++ if ((rank_count_dimm0 < 4) && (rank_count_dimm1 < 4))
++ term = 0x1;
++ else if (rank)
++ term = 0x0;
++ else
++ term = 0x3;
++ } else {
++ term = 0x5;
++ }
++ } else {
++ /* DDR3-1600 */
++ if (number_of_dimms == 1)
++ term = 0x3;
++ else
++ term = 0x4;
++ }
++ } else if (MaxDimmsInstallable == 3) {
++ /* TODO
++ * 3 DIMM/channel support unimplemented
++ */
++ }
++ }
+ } else {
++ /* UDIMM */
+ if (package_type == PT_GR) {
+ /* Socket G34: Fam15h BKDG v3.14 Table 56 */
+ if (MaxDimmsInstallable == 1) {
+--
+1.7.9.5
+
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-01 20:25:55 +0000