1 files changed, 94 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/modtrd.c b/src/northbridge/amd/amdmct/mct_ddr3/modtrd.c
new file mode 100644
index 0000000000..58ddf598ee
--- /dev/null
+++ b/src/northbridge/amd/amdmct/mct_ddr3/modtrd.c
@@ -0,0 +1,94 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+static u32 mct_MR1Odt_RDimm(struct MCTStatStruc *pMCTstat,
+				struct DCTStatStruc *pDCTstat, u8 dct, u32 MrsChipSel)
+{
+	u8 Speed = pDCTstat->Speed;
+	u32 ret;
+	u8 DimmsInstalled, DimmNum, ChipSelect;
+
+	ChipSelect = (MrsChipSel >> 20) & 0xF;
+	DimmNum = ChipSelect & 0xFE;
+	DimmsInstalled = pDCTstat->MAdimms[dct];
+	if (dct == 1)
+		DimmNum ++;
+	ret = 0;
+
+	if (mctGet_NVbits(NV_MAX_DIMMS) == 4) {
+		if (DimmsInstalled == 1)
+			ret |= 1 << 2;
+		else {
+			if (pDCTstat->CSPresent & 0xF0) {
+				if (pDCTstat->DimmQRPresent & (1 << DimmNum)) {
+					if (!(ChipSelect & 1))
+						ret |= 1 << 2;
+				} else
+					ret |= 0x204;
+			} else {
+				if (Speed < 6)
+					ret |= 0x44;
+				else
+					ret |= 0x204;
+			}
+		}
+	} else if (DimmsInstalled == 1)
+		ret |= 1 << 2;
+	else if (Speed < 6)
+		ret |= 0x44;
+	else
+		ret |= 0x204;
+
+	//ret = 0;
+	return ret;
+}
+
+static u32 mct_DramTermDyn_RDimm(struct MCTStatStruc *pMCTstat,
+				struct DCTStatStruc *pDCTstat, u8 dimm)
+{
+	u8 DimmsInstalled = dimm;
+	u32 DramTermDyn = 0;
+	u8 Speed = pDCTstat->Speed;
+
+	if (mctGet_NVbits(NV_MAX_DIMMS) == 4) {
+		if (pDCTstat->CSPresent & 0xF0) {
+			if (DimmsInstalled == 1)
+				if (Speed == 7)
+					DramTermDyn |= 1 << 10;
+				else
+					DramTermDyn |= 1 << 11;
+			else
+				if (Speed == 4)
+					DramTermDyn |= 1 << 11;
+				else
+					DramTermDyn |= 1 << 10;
+		} else {
+			if (DimmsInstalled != 1) {
+				if (Speed == 7)
+					DramTermDyn |= 1 << 10;
+				else
+					DramTermDyn |= 1 << 11;
+			}
+		}
+	} else {
+		if (DimmsInstalled != 1)
+			DramTermDyn |= 1 << 11;
+	}
+	return DramTermDyn;
+}