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authorKerry She <Kerry.she@amd.com>2010-08-30 07:31:31 +0000
committerZheng Bao <Zheng.Bao@amd.com>2010-08-30 07:31:31 +0000
commit99cfa1e6bdc7e89f571a52ed636704be894418d1 (patch)
tree8ffc6930eaf5b13c106b18129923b63e59c6210f /src/northbridge/amd
parent108d30ba8652b27a2c78a0d5db22a445e272f396 (diff)
Multi-DIMMS on AMD ddr3 MCT channel B works.
Signed-off-by: Kerry She <Kerry.she@amd.com> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5748 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge/amd')
-rw-r--r--src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c5
-rw-r--r--src/northbridge/amd/amdmct/mct_ddr3/mctrci.c30
-rw-r--r--src/northbridge/amd/amdmct/mct_ddr3/mctwl.c2
-rw-r--r--src/northbridge/amd/amdmct/wrappers/mcti.h9
-rw-r--r--src/northbridge/amd/amdmct/wrappers/mcti_d.c4
5 files changed, 37 insertions, 13 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c
index db930eff9f..c853b88ff6 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c
@@ -332,7 +332,6 @@ static void TrainDQSRdWrPos_D(struct MCTStatStruc *pMCTstat,
if (pDCTstat->DIMMValidDCT[Channel] == 0) /* mct_BeforeTrainDQSRdWrPos_D */
continue;
-
pDCTstat->DqsRdWrPos_Saved = 0;
for ( DQSWrDelay = 0; DQSWrDelay < dqsWrDelay_end; DQSWrDelay++) {
pDCTstat->DQSDelay = DQSWrDelay;
@@ -1174,12 +1173,12 @@ u32 mct_GetMCTSysAddr_D(struct MCTStatStruc *pMCTstat,
*valid = 0;
- if (!pDCTstat->GangedMode) { /* FIXME: not used. */
+ if (!pDCTstat->GangedMode) {
reg_off = 0x100 * Channel;
}
/* get the local base addr of the chipselect */
- reg = 0x40 + (receiver << 2);
+ reg = 0x40 + (receiver << 2) + reg_off;
val = Get_NB32(dev, reg);
val &= ~0x0F;
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctrci.c b/src/northbridge/amd/amdmct/mct_ddr3/mctrci.c
index 647e63719c..4f5a360f94 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctrci.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctrci.c
@@ -22,6 +22,8 @@ static u32 mct_ControlRC(struct MCTStatStruc *pMCTstat,
{
u8 Dimms, DimmNum, MaxDimm, Speed;
u32 val;
+ u32 dct = 0;
+ u32 reg_off = 0;
DimmNum = MrsChipSel >> 20;
@@ -32,8 +34,14 @@ static u32 mct_ControlRC(struct MCTStatStruc *pMCTstat,
MaxDimm = mctGet_NVbits(NV_MAX_DIMMS);
Speed = pDCTstat->DIMMAutoSpeed;
- /* if (dct == 0) */
- Dimms = pDCTstat->MAdimms[0];
+
+ if (pDCTstat->CSPresent_DCT[0] > 0) {
+ dct = 0;
+ } else if (pDCTstat->CSPresent_DCT[1] > 0 ){
+ dct = 1;
+ }
+ reg_off = 0x100 * dct;
+ Dimms = pDCTstat->MAdimms[dct];
val = 0;
if (CtrlWordNum == 0)
@@ -87,14 +95,21 @@ static u32 mct_ControlRC(struct MCTStatStruc *pMCTstat,
static void mct_SendCtrlWrd(struct MCTStatStruc *pMCTstat,
struct DCTStatStruc *pDCTstat, u32 val)
{
+ u32 reg_off = 0;
u32 dev = pDCTstat->dev_dct;
- val |= Get_NB32(dev, 0x7C) & ~0xFFFFFF;
+ if (pDCTstat->CSPresent_DCT[0] > 0) {
+ reg_off = 0;
+ } else if (pDCTstat->CSPresent_DCT[1] > 0 ){
+ reg_off = 0x100;
+ }
+
+ val |= Get_NB32(dev, reg_off + 0x7C) & ~0xFFFFFF;
val |= 1 << SendControlWord;
- Set_NB32(dev, 0x7C, val);
+ Set_NB32(dev, reg_off + 0x7C, val);
do {
- val = Get_NB32(dev, 0x7C);
+ val = Get_NB32(dev, reg_off + 0x7C);
} while (val & (1 << SendControlWord));
}
@@ -104,6 +119,7 @@ void mct_DramControlReg_Init_D(struct MCTStatStruc *pMCTstat,
u8 MrsChipSel;
u32 dev = pDCTstat->dev_dct;
u32 val, cw;
+ u32 reg_off = 0x100 * dct;
mct_Wait(1600);
@@ -111,7 +127,7 @@ void mct_DramControlReg_Init_D(struct MCTStatStruc *pMCTstat,
for (MrsChipSel = 0; MrsChipSel < 8; MrsChipSel ++, MrsChipSel ++) {
if (pDCTstat->CSPresent & (1 << MrsChipSel)) {
- val = Get_NB32(dev, 0xA8);
+ val = Get_NB32(dev, reg_off + 0xA8);
val &= ~(0xF << 8);
switch (MrsChipSel) {
@@ -128,7 +144,7 @@ void mct_DramControlReg_Init_D(struct MCTStatStruc *pMCTstat,
case 7:
val |= (3 << 6) << 8;
}
- Set_NB32(dev, 0xA8, val);
+ Set_NB32(dev, reg_off + 0xA8 , val);
for (cw=0; cw <=15; cw ++) {
mct_Wait(1600);
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c b/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c
index d14bc0dd58..d4b531f3af 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c
@@ -86,7 +86,7 @@ void PrepareC_DCT(struct MCTStatStruc *pMCTstat,
for (dimm = 0; dimm < MAX_TOTAL_DIMMS; dimm++) {
u8 DimmRanks;
- if (DimmValid & (1 << dimm)) {
+ if (DimmValid & (1 << (dimm << 1))) {
DimmRanks = 1;
if (pDCTstat->DimmDRPresent & (1 << (dimm+dct)))
DimmRanks = 2;
diff --git a/src/northbridge/amd/amdmct/wrappers/mcti.h b/src/northbridge/amd/amdmct/wrappers/mcti.h
index 179c3a9b0e..e9247182de 100644
--- a/src/northbridge/amd/amdmct/wrappers/mcti.h
+++ b/src/northbridge/amd/amdmct/wrappers/mcti.h
@@ -51,9 +51,18 @@ COMMENT OUT ALL BUT 1
/*----------------------------------------------------------------------------
UPDATE AS NEEDED
----------------------------------------------------------------------------*/
+#ifndef MAX_NODES_SUPPORTED
#define MAX_NODES_SUPPORTED 8
+#endif
+
+#ifndef MAX_DIMMS_SUPPORTED
#define MAX_DIMMS_SUPPORTED 8
+#endif
+
+#ifndef MAX_CS_SUPPORTED
#define MAX_CS_SUPPORTED 8
+#endif
+
#define MCT_TRNG_KEEPOUT_START 0x00000C00
#define MCT_TRNG_KEEPOUT_END 0x00000CFF
diff --git a/src/northbridge/amd/amdmct/wrappers/mcti_d.c b/src/northbridge/amd/amdmct/wrappers/mcti_d.c
index 61b432304c..4a8757639a 100644
--- a/src/northbridge/amd/amdmct/wrappers/mcti_d.c
+++ b/src/northbridge/amd/amdmct/wrappers/mcti_d.c
@@ -40,8 +40,8 @@ static u16 mctGet_NVbits(u8 index)
val = MAX_NODES_SUPPORTED;
break;
case NV_MAX_DIMMS:
- //val = MAX_DIMMS_SUPPORTED;
- val = 8;
+ val = MAX_DIMMS_SUPPORTED;
+ //val = 8;
break;
case NV_MAX_MEMCLK:
/* Maximum platform supported memclk */