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path: root/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
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Diffstat (limited to 'src/northbridge/amd/amdmct/mct_ddr3/mct_d.c')
-rw-r--r--src/northbridge/amd/amdmct/mct_ddr3/mct_d.c131
1 files changed, 59 insertions, 72 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
index bfe7515cf1..283d897935 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
@@ -178,6 +178,7 @@ static void SyncSetting(struct DCTStatStruc *pDCTstat);
static uint8_t crcCheck(struct DCTStatStruc *pDCTstat, uint8_t dimm);
static void mct_ExtMCTConfig_Bx(struct DCTStatStruc *pDCTstat);
static void mct_ExtMCTConfig_Cx(struct DCTStatStruc *pDCTstat);
+static void mct_ExtMCTConfig_Dx(struct DCTStatStruc *pDCTstat);
static void read_dqs_receiver_enable_control_registers(uint16_t* current_total_delay,
uint32_t dev, uint8_t dct, uint8_t dimm, uint32_t index_reg);
@@ -2687,13 +2688,11 @@ static void MCTMemClr_D(struct MCTStatStruc *pMCTstat,
for (Node = 0; Node < MAX_NODES_SUPPORTED; Node++) {
pDCTstat = pDCTstatA + Node;
- /* Configure and enable prefetchers */
- if (is_fam15h())
- dword = 0x0ce00f41; /* BKDG recommended */
- else
- dword = 0x0fe40fc0; /* BKDG recommended */
- dword |= MCCH_FlushWrOnStpGnt; /* Set for S3 */
- Set_NB32(pDCTstat->dev_dct, 0x11c, dword);
+ /* Enable prefetchers */
+ dword = Get_NB32(pDCTstat->dev_dct, 0x11c); /* Memory Controller Configuration High */
+ dword &= ~(0x1 << 13); /* PrefIoDis = 0 */
+ dword &= ~(0x1 << 12); /* PrefCpuDis = 0 */
+ Set_NB32(pDCTstat->dev_dct, 0x11c, dword); /* Memory Controller Configuration High */
}
}
@@ -4935,31 +4934,33 @@ static void Set_OtherTiming(struct MCTStatStruc *pMCTstat,
Get_TrwtTO(pMCTstat, pDCTstat, dct);
Get_TrwtWB(pMCTstat, pDCTstat);
- reg = 0x8C; /* Dram Timing Hi */
- val = Get_NB32_DCT(dev, dct, reg);
- val &= 0xffff0300;
- dword = pDCTstat->TrwtTO;
- val |= dword << 4;
- dword = pDCTstat->Twrrd & 3;
- val |= dword << 10;
- dword = pDCTstat->Twrwr & 3;
- val |= dword << 12;
- dword = pDCTstat->Trdrd & 3;
- val |= dword << 14;
- dword = pDCTstat->TrwtWB;
- val |= dword;
- Set_NB32_DCT(dev, dct, reg, val);
-
- reg = 0x78;
- val = Get_NB32_DCT(dev, dct, reg);
- val &= 0xFFFFC0FF;
- dword = pDCTstat->Twrrd >> 2;
- val |= dword << 8;
- dword = pDCTstat->Twrwr >> 2;
- val |= dword << 10;
- dword = pDCTstat->Trdrd >> 2;
- val |= dword << 12;
- Set_NB32_DCT(dev, dct, reg, val);
+ if (!is_fam15h()) {
+ reg = 0x8c; /* Dram Timing Hi */
+ val = Get_NB32_DCT(dev, dct, reg);
+ val &= 0xffff0300;
+ dword = pDCTstat->TrwtTO;
+ val |= dword << 4;
+ dword = pDCTstat->Twrrd & 3;
+ val |= dword << 10;
+ dword = pDCTstat->Twrwr & 3;
+ val |= dword << 12;
+ dword = (pDCTstat->Trdrd - 0x3) & 3;
+ val |= dword << 14;
+ dword = pDCTstat->TrwtWB;
+ val |= dword;
+ Set_NB32_DCT(dev, dct, reg, val);
+
+ reg = 0x78;
+ val = Get_NB32_DCT(dev, dct, reg);
+ val &= 0xffffc0ff;
+ dword = pDCTstat->Twrrd >> 2;
+ val |= dword << 8;
+ dword = pDCTstat->Twrwr >> 2;
+ val |= dword << 10;
+ dword = (pDCTstat->Trdrd - 0x3) >> 2;
+ val |= dword << 12;
+ Set_NB32_DCT(dev, dct, reg, val);
+ }
}
static void Get_Trdrd(struct MCTStatStruc *pMCTstat,
@@ -4970,6 +4971,8 @@ static void Get_Trdrd(struct MCTStatStruc *pMCTstat,
Trdrd = ((int8_t)(pDCTstat->DqsRcvEnGrossMax - pDCTstat->DqsRcvEnGrossMin) >> 1) + 1;
if (Trdrd > 8)
Trdrd = 8;
+ if (Trdrd < 3)
+ Trdrd = 3;
pDCTstat->Trdrd = Trdrd;
}
@@ -5280,47 +5283,31 @@ static void mct_FinalMCT_D(struct MCTStatStruc *pMCTstat,
if (pDCTstat->NodePresent) {
mct_PhyController_Config(pMCTstat, pDCTstat, 0);
mct_PhyController_Config(pMCTstat, pDCTstat, 1);
- }
- if (!(pDCTstat->LogicalCPUID & AMD_DR_Dx)) { /* mct_checkForDxSupport */
- mct_ExtMCTConfig_Cx(pDCTstat);
- mct_ExtMCTConfig_Bx(pDCTstat);
- } else { /* For Dx CPU */
- val = 0x0CE00F00 | 1 << 29/* FlushWrOnStpGnt */;
- if (!(pDCTstat->GangedMode))
- val |= 0x20; /* MctWrLimit = 8 for Unganged mode */
- else
- val |= 0x40; /* MctWrLimit = 16 for ganged mode */
- Set_NB32(pDCTstat->dev_dct, 0x11C, val);
-
- val = Get_NB32(pDCTstat->dev_dct, 0x1B0);
- val &= 0xFFFFF8C0;
- val |= 0x101; /* BKDG recommended settings */
- val |= 0x0FC00000; /* Agesa V5 */
- if (!(pDCTstat->GangedMode))
- val |= 1 << 12;
- else
- val &= ~(1 << 12);
- val &= 0x0FFFFFFF;
if (!is_fam15h()) {
- switch (pDCTstat->Speed) {
- case 4:
- val |= 0x50000000; /* 5 for DDR800 */
- break;
- case 5:
- val |= 0x60000000; /* 6 for DDR1066 */
- break;
- case 6:
- val |= 0x80000000; /* 8 for DDR800 */
- break;
- default:
- val |= 0x90000000; /* 9 for DDR1600 */
- break;
- }
- }
- Set_NB32(pDCTstat->dev_dct, 0x1B0, val);
+ /* Family 10h CPUs */
+ mct_ExtMCTConfig_Cx(pDCTstat);
+ mct_ExtMCTConfig_Bx(pDCTstat);
+ mct_ExtMCTConfig_Dx(pDCTstat);
+ } else {
+ /* Family 15h CPUs */
+ val = 0x0ce00f00 | 0x1 << 29; /* FlushWrOnStpGnt */
+ val |= 0x10 << 2; /* MctWrLimit = 16 */
+ Set_NB32(pDCTstat->dev_dct, 0x11c, val);
+
+ val = Get_NB32(pDCTstat->dev_dct, 0x1b0);
+ val &= ~0x3; /* AdapPrefMissRatio = 0x1 */
+ val |= 0x1;
+ val &= ~(0x3 << 2); /* AdapPrefPositiveStep = 0x0 */
+ val &= ~(0x3 << 4); /* AdapPrefNegativeStep = 0x0 */
+ val &= ~(0x7 << 8); /* CohPrefPrbLmt = 0x1 */
+ val |= (0x1 << 8);
+ val |= (0x1 << 12); /* EnSplitDctLimits = 0x1 */
+ val |= (0x7 << 22); /* PrefFourConf = 0x7 */
+ val |= (0x7 << 25); /* PrefFiveConf = 0x7 */
+ val &= ~(0xf << 28); /* DcqBwThrotWm = 0x0 */
+ Set_NB32(pDCTstat->dev_dct, 0x1b0, val);
- if (is_fam15h()) {
uint8_t wm1;
uint8_t wm2;
@@ -5351,11 +5338,11 @@ static void mct_FinalMCT_D(struct MCTStatStruc *pMCTstat,
break;
}
- val = Get_NB32(pDCTstat->dev_dct, 0x1B4);
+ val = Get_NB32(pDCTstat->dev_dct, 0x1b4);
val &= ~(0x3ff);
val |= ((wm2 & 0x1f) << 5);
val |= (wm1 & 0x1f);
- Set_NB32(pDCTstat->dev_dct, 0x1B4, val);
+ Set_NB32(pDCTstat->dev_dct, 0x1b4, val);
}
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 01:04:55 +0000