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authorZheng Bao <zheng.bao@amd.com>2010-04-23 17:32:48 +0000
committerStefan Reinauer <stepan@openbios.org>2010-04-23 17:32:48 +0000
commiteb75f652d392d2f4f257194e112f3f0db7479145 (patch)
treeaa972907734abcba4ca52f2a3a71f8d81d4bdce0 /src/northbridge/amd/amdmct/mct_ddr3/mctsrc1p.c
parentfe6c2cda6e6977894d9b668af9509b983c850f68 (diff)
DDR3 support for AMD Fam10.
Signed-off-by: Zheng Bao <zheng.bao@amd.com> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5481 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge/amd/amdmct/mct_ddr3/mctsrc1p.c')
-rw-r--r--src/northbridge/amd/amdmct/mct_ddr3/mctsrc1p.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc1p.c b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc1p.c
new file mode 100644
index 0000000000..008705c613
--- /dev/null
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc1p.c
@@ -0,0 +1,85 @@
+/*
+ * 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
+ */
+
+u8 mct_checkNumberOfDqsRcvEn_1Pass(u8 pass)
+{
+ u8 ret = 1;
+ if (pass == SecondPass)
+ ret = 0;
+
+ return ret;
+}
+
+u32 SetupDqsPattern_1PassA(u8 pass)
+{
+ return (u32) TestPattern1_D;
+}
+
+u32 SetupDqsPattern_1PassB(u8 pass)
+{
+ return (u32) TestPattern0_D;
+}
+
+u8 mct_Get_Start_RcvrEnDly_1Pass(u8 pass)
+{
+ return 0;
+}
+
+static u8 mct_Average_RcvrEnDly_1Pass(struct DCTStatStruc *pDCTstat, u8 Channel, u8 Receiver,
+ u8 Pass)
+{
+ u8 i, MaxValue;
+ u8 *p;
+ u8 val;
+
+ MaxValue = 0;
+ p = pDCTstat->CH_D_B_RCVRDLY[Channel][Receiver >> 1];
+
+ for(i=0; i < 8; i++) {
+ /* get left value from DCTStatStruc.CHA_D0_B0_RCVRDLY*/
+ val = p[i];
+ /* get right value from DCTStatStruc.CHA_D0_B0_RCVRDLY_1*/
+ val += Pass1MemClkDly;
+ /* write back the value to stack */
+ if (val > MaxValue)
+ MaxValue = val;
+
+ p[i] = val;
+ }
+ /* pDCTstat->DimmTrainFail &= ~(1<<Receiver+Channel); */
+
+ return MaxValue;
+}
+
+u8 mct_SaveRcvEnDly_D_1Pass(struct DCTStatStruc *pDCTstat, u8 pass)
+{
+ u8 ret;
+ ret = 0;
+ if((pDCTstat->DqsRcvEn_Pass == 0xff) && (pass== FirstPass))
+ ret = 2;
+ return ret;
+}
+
+u8 mct_Average_RcvrEnDly_Pass(struct DCTStatStruc *pDCTstat,
+ u8 RcvrEnDly, u8 RcvrEnDlyLimit,
+ u8 Channel, u8 Receiver, u8 Pass)
+
+{
+ return mct_Average_RcvrEnDly_1Pass(pDCTstat, Channel, Receiver, Pass);
+}