/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ * Copyright (C) 2007-2008 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
print_t("mctAutoInitMCT_D: DQSTiming_D\n");
DQSTiming_D(pMCTstat, pDCTstatA); /* Get Receiver Enable and DQS signal timing*/
+ print_t("mctAutoInitMCT_D: UMAMemTyping_D\n");
+ UMAMemTyping_D(pMCTstat, pDCTstatA); /* Fix up for UMA sizing */
+
print_t("mctAutoInitMCT_D: :OtherTiming\n");
mct_OtherTiming(pMCTstat, pDCTstatA);
/* FIXME: BOZO- DQS training every time*/
nv_DQSTrainCTL = 1;
+ print_t("DQSTiming_D: mct_BeforeDQSTrain_D:\n");
+ mct_BeforeDQSTrain_D(pMCTstat, pDCTstatA);;
+ phyAssistedMemFnceTraining(pMCTstat, pDCTstatA);
+
if (nv_DQSTrainCTL) {
- print_t("DQSTiming_D: mct_BeforeDQSTrain_D:\n");
- mct_BeforeDQSTrain_D(pMCTstat, pDCTstatA);;
- phyAssistedMemFnceTraining(pMCTstat, pDCTstatA);
mctHookBeforeAnyTraining();
print_t("DQSTiming_D: TrainReceiverEn_D FirstPass:\n");
u32 val;
u32 base;
u32 limit;
- u32 dev;
+ u32 dev, devx;
struct DCTStatStruc *pDCTstat;
_MemHoleRemap = mctGet_NVbits(NV_MemHole);
for (Node = 0; Node < MAX_NODES_SUPPORTED; Node++) {
+ pDCTstat = pDCTstatA + Node;
+ devx = pDCTstat->dev_map;
DramSelBaseAddr = 0;
pDCTstat = pDCTstatA + Node;
if (!pDCTstat->GangedMode) {
val <<= 8; /* shl 16, rol 24 */
val |= DramHoleBase << 24;
val |= 1 << DramHoleValid;
- Set_NB32(dev, 0xF0, val); /*Dram Hole Address Register*/
+ Set_NB32(devx, 0xF0, val); /* Dram Hole Address Reg */
pDCTstat->DCTSysLimit += HoleSize;
base = pDCTstat->DCTSysBase;
limit = pDCTstat->DCTSysLimit;
pMCTstat->SysLimit = limit;
}
Set_NB32(dev, 0x40 + (Node << 3), base); /* [Node] + Dram Base 0 */
- val = limit & 0xffff0000;
- val |= Node; /* set DstNode*/
+
+ /* if Node limit > 1GB then set it to 1GB boundary for each node */
+ if ((mctSetNodeBoundary_D()) && (limit > 0x00400000)) {
+ limit++;
+ limit &= 0xFFC00000;
+ limit--;
+ }
+ val = limit & 0xFFFF0000;
+ val |= Node;
Set_NB32(dev, 0x44 + (Node << 3), val); /* set DstNode */
limit = pDCTstat->DCTSysLimit;
if (limit) {
- NextBase = (limit & 0xffff0000) + 0x10000;
+ NextBase = (limit & 0xFFFF0000) + 0x10000;
+ if ((mctSetNodeBoundary_D()) && (NextBase > 0x00400000)) {
+ NextBase++;
+ NextBase &= 0xFFC00000;
+ NextBase--;
+ }
}
}
/* Copy dram map from Node 0 to Node 1-7 */
for (Node = 1; Node < MAX_NODES_SUPPORTED; Node++) {
- pDCTstat = pDCTstatA + Node;
u32 reg;
- u32 devx = pDCTstat->dev_map;
+ pDCTstat = pDCTstatA + Node;
+ devx = pDCTstat->dev_map;
if (pDCTstat->NodePresent) {
printk_debug(" Copy dram map from Node 0 to Node %02x \n", Node);
if ((val == 0) || (val == 0xFF)) {
pDCTstat->ErrStatus |= 1<<SB_NoTrcTrfc;
pDCTstat->ErrCode = SC_VarianceErr;
- val = Get_DefTrc_k_D(pDCTstat->DIMMAutoSpeed);
+ val = Get_DefTrc_k_D(pDCTstat->Speed);
} else {
byte = mctRead_SPD(smbaddr, SPD_TRCRFC);
if (byte & 0xF0) {
/* Convert DRAM CycleTiming values and store into DCT structure */
DDR2_1066 = 0;
- byte = pDCTstat->DIMMAutoSpeed;
+ byte = pDCTstat->Speed;
if (byte == 5)
DDR2_1066 = 1;
Tk40 = Get_40Tk_D(byte);
dword = Trtp * 10;
pDCTstat->DIMMTrtp = dword;
val = pDCTstat->Speed;
- if (val <= 2) {
- val = 2; /* Calculate by 7.75ns / Speed in ns to get clock # */
- } else if (val == 4) { /* Note a speed of 3 will be a Trtp of 3 */
- val = 3;
- } else if (val == 5){
- val = 2;
+ if (val <= 2) { /* 7.75ns / Speed in ns to get clock # */
+ val = 2; /* for DDR400/DDR533 */
+ } else { /* Note a speed of 3 will be a Trtp of 3 */
+ val = 3; /* for DDR667/DDR800/DDR1066 */
}
pDCTstat->Trtp = val;
/* SetCKETriState */
SetODTTriState(pMCTstat, pDCTstat, dct);
- if ( pDCTstat->Status & 1<<SB_128bitmode) {
+ if (pDCTstat->Status & (1 << SB_128bitmode)) {
SetCSTriState(pMCTstat, pDCTstat, 1); /* force dct1) */
SetODTTriState(pMCTstat, pDCTstat, 1); /* force dct1) */
}
if (!pDCTstat->GangedMode) {
dev = pDCTstat->dev_dct;
pDCTstat->NodeSysLimit += pDCTstat->DCTSysLimit;
- /* if DCT0 and DCT1 exist both, set DctSelBaseAddr[47:27] */
+ /* if DCT0 and DCT1 both exist, set DctSelBaseAddr[47:27] to the top of DCT0 */
if (dct == 0) {
if (pDCTstat->DIMMValidDCT[1] > 0) {
dword = pDCTstat->DCTSysLimit + 1;
pMCTstat->HoleBase = (DramHoleBase & 0xFFFFF800) << 8;
val = pMCTstat->HoleBase;
val >>= 16;
- val &= ~(0xFF);
- val |= (((~val) & 0xFF) + 1);
+ val = (((~val) & 0xFF) + 1);
val <<= 8;
dword += val;
}
val |= 3; /* Set F2x110[DctSelHiRngEn], F2x110[DctSelHi] */
Set_NB32(dev, reg, val);
print_tx("AfterStitch DCT0 and DCT1: DRAM Controller Select Low Register = ", val);
+ print_tx("AfterStitch DCT0 and DCT1: DRAM Controller Select High Register = ", dword);
reg = 0x114;
val = dword;
if (pDCTstat->DIMMValidDCT[0] == 0) {
dword = pDCTstat->NodeSysBase;
dword >>= 8;
- if (dword >= DramHoleBase) {
+ if ((dword >= DramHoleBase) && _MemHoleRemap) {
pMCTstat->HoleBase = (DramHoleBase & 0xFFFFF800) << 8;
val = pMCTstat->HoleBase;
val >>= 8;
val |= 3; /* Set F2x110[DctSelHiRngEn], F2x110[DctSelHi] */
Set_NB32(dev, reg, val);
print_tx("AfterStitch DCT1 only: DRAM Controller Select Low Register = ", val);
+ print_tx("AfterStitch DCT1 only: DRAM Controller Select High Register = ", dword);
}
}
} else {
static void Get_Twrrd(struct MCTStatStruc *pMCTstat,
struct DCTStatStruc *pDCTstat, u8 dct)
{
- u8 byte, bytex;
+ u8 byte, bytex, val;
u32 index_reg = 0x98 + 0x100 * dct;
u32 dev = pDCTstat->dev_dct;
/* On any given byte lane, the largest WrDatGrossDlyByte delay of
any DIMM minus the DqsRcvEnGrossDelay delay of any other DIMM is
equal to the Critical Gross Delay Difference (CGDD) for Twrrd.*/
- pDCTstat->Twrrd = 0;
+
+ /* WrDatGrossDlyByte only use one set register when DDR400~DDR667
+ DDR800 have two set register for DIMM0 and DIMM1 */
+ if (pDCTstat->Speed > 3) {
+ val = Get_WrDatGross_Diff(pDCTstat, dct, dev, index_reg);
+ } else {
+ val = Get_WrDatGross_MaxMin(pDCTstat, dct, dev, index_reg, 1); /* WrDatGrossDlyByte byte 0,1,2,3 for DIMM0 */
+ pDCTstat->WrDatGrossH = (u8) val; /* low byte = max value */
+ }
+
Get_DqsRcvEnGross_Diff(pDCTstat, dev, index_reg);
- Get_WrDatGross_Diff(pDCTstat, dct, dev, index_reg);
+
bytex = pDCTstat->DqsRcvEnGrossL;
byte = pDCTstat->WrDatGrossH;
if (byte > bytex) {
u8 i;
u32 val;
u8 byte;
+ u8 ecc_reg = 0;
Smallest_0 = 0xFF;
Smallest_1 = 0xFF;
Largest_0 = 0;
Largest_1 = 0;
+ if (index == 0x12)
+ ecc_reg = 1;
+
for (i=0; i < 8; i+=2) {
if ( pDCTstat->DIMMValid & (1 << i)) {
val = Get_NB32_index_wait(dev, index_reg, index);
Smallest_0 = byte;
if (byte > Largest_0)
Largest_0 = byte;
- byte = (val >> 16) & 0xFF;
- if (byte < Smallest_1)
- Smallest_1 = byte;
- if (byte > Largest_1)
- Largest_1 = byte;
+ if (!(ecc_reg)) {
+ byte = (val >> 16) & 0xFF;
+ if (byte < Smallest_1)
+ Smallest_1 = byte;
+ if (byte > Largest_1)
+ Largest_1 = byte;
+ }
}
index += 3;
} /* while ++i */
two DIMMs is less than half of a MEMCLK */
if ((Largest_0 - Smallest_0) > 31)
return 1;
- if ((Largest_1 - Smallest_1) > 31)
- return 1;
+ if (!(ecc_reg))
+ if ((Largest_1 - Smallest_1) > 31)
+ return 1;
return 0;
}
u8 byte;
u32 val;
u16 word;
+ u8 ecc_reg = 0;
Smallest = 7;
Largest = 0;
+ if (index == 0x12)
+ ecc_reg = 1;
+
for (i=0; i < 8; i+=2) {
if ( pDCTstat->DIMMValid & (1 << i)) {
val = Get_NB32_index_wait(dev, index_reg, index);
Smallest = byte;
if (byte > Largest)
Largest = byte;
- byte = (val >> (16 + 5)) & 0xFF;
- if (byte < Smallest)
- Smallest = byte;
- if (byte > Largest)
- Largest = byte;
+ if (!(ecc_reg)) {
+ byte = (val >> (16 + 5)) & 0xFF;
+ if (byte < Smallest)
+ Smallest = byte;
+ if (byte > Largest)
+ Largest = byte;
+ }
}
index += 3;
} /* while ++i */
u32 index_reg = 0x98 + 0x100 * dct;
u8 cs;
u32 index;
- u16 word;
-
- /* Tri-state unused ODTs when motherboard termination is available */
+ u8 odt;
+ u8 max_dimms;
// FIXME: skip for Ax
- dev = pDCTstat->dev_dct;
- word = 0;
+ /* Tri-state unused ODTs when motherboard termination is available */
+ max_dimms = (u8) mctGet_NVbits(NV_MAX_DIMMS);
+ odt = 0x0F; /* tristate all the pins then clear the used ones. */
+
for (cs = 0; cs < 8; cs += 2) {
- if (!(pDCTstat->CSPresent & (1 << cs))) {
- if (!(pDCTstat->CSPresent & (1 << (cs + 1))))
- word |= (1 << (cs >> 1));
+ if (pDCTstat->CSPresent & (1 << cs)) {
+ odt &= ~(1 << (cs / 2));
+
+ /* if quad-rank capable platform clear adtitional pins */
+ if (max_dimms != MAX_CS_SUPPORTED) {
+ if (pDCTstat->CSPresent & (1 << (cs + 1)))
+ odt &= ~(4 << (cs / 2));
+ }
}
}
index = 0x0C;
val = Get_NB32_index_wait(dev, index_reg, index);
- val |= (word << 8);
+ val |= (odt << 8);
Set_NB32_index_wait(dev, index_reg, index, val);
+
}
}
/* Override/Exception */
- if ((pDCTstat->Speed == 2) && (pDCTstat->MAdimms[dct] == 4))
- dword &= 0xF18FFF18;
+ if (!pDCTstat->GangedMode) {
+ i = 0; /* use i for the dct setting required */
+ if (pDCTstat->MAdimms[0] < 4)
+ i = 1;
+ if (((pDCTstat->Speed == 2) || (pDCTstat->Speed == 3)) && (pDCTstat->MAdimms[i] == 4))
+ dword &= 0xF18FFF18;
+ index_reg = 0x98; /* force dct = 0 */
+ }
Set_NB32_index_wait(dev, index_reg, 0x0a, dword);
}
struct DCTStatStruc *pDCTstat, u8 dct)
{
u8 Receiver;
- u32 val;
u32 dev = pDCTstat->dev_dct;
u32 reg_off = 0x100 * dct;
u32 addr;
+ u32 lo, hi;
+ u8 wrap32dis = 0;
u8 valid = 0;
+ /* FIXME: Skip reset DLL for B3 */
+
+ addr = HWCR;
+ _RDMSR(addr, &lo, &hi);
+ if(lo & (1<<17)) { /* save the old value */
+ wrap32dis = 1;
+ }
+ lo |= (1<<17); /* HWCR.wrap32dis */
+ lo &= ~(1<<15); /* SSEDIS */
+ /* Setting wrap32dis allows 64-bit memory references in 32bit mode */
+ _WRMSR(addr, lo, hi);
+
+
pDCTstat->Channel = dct;
Receiver = mct_InitReceiver_D(pDCTstat, dct);
/* there are four receiver pairs, loosely associated with chipselects.*/
addr = mct_GetRcvrSysAddr_D(pMCTstat, pDCTstat, dct, Receiver, &valid);
if (valid) {
mct_Read1LTestPattern_D(pMCTstat, pDCTstat, addr); /* cache fills */
- Set_NB32(dev, 0x98 + reg_off, 0x0D00000C);
- val = Get_NB32(dev, 0x9C + reg_off);
- val |= 1 << 15;
- Set_NB32(dev, 0x9C + reg_off, val);
- Set_NB32(dev, 0x98 + reg_off, 0x4D0F0F0C);
- mct_Wait_10ns(60); /* wait >= 300ns */
-
- Set_NB32(dev, 0x98 + reg_off, 0x0D00000C);
- val = Get_NB32(dev, 0x9C + reg_off);
- val &= ~(1 << 15);
- Set_NB32(dev, 0x9C + reg_off, val);
- Set_NB32(dev, 0x98 + reg_off, 0x4D0F0F0C);
- mct_Wait_10ns(400); /* wait >= 2us */
+
+ /* Write 0000_8000h to register F2x[1,0]9C_xD080F0C */
+ Set_NB32_index_wait(dev, 0x98 + reg_off, 0x4D080F0C, 0x00008000);
+ mct_Wait(80); /* wait >= 300ns */
+
+ /* Write 0000_0000h to register F2x[1,0]9C_xD080F0C */
+ Set_NB32_index_wait(dev, 0x98 + reg_off, 0x4D080F0C, 0x00000000);
+ mct_Wait(800); /* wait >= 2us */
break;
}
}
}
+ if(!wrap32dis) {
+ addr = HWCR;
+ _RDMSR(addr, &lo, &hi);
+ lo &= ~(1<<17); /* restore HWCR.wrap32dis */
+ _WRMSR(addr, lo, hi);
+ }
}
// FIXME Skip for Cx
dev = pDCTstat->dev_nbmisc;
val = Get_NB32(dev, 0x8C); // NB Configuration Hi
- val |= 36-32; // DisDatMask
+ val |= 1 << (36-32); // DisDatMask
Set_NB32(dev, 0x8C, val);
}
}
u32 reg_off = 0x100 * dct;
u32 dev = pDCTstat->dev_dct;
+ /* FIXME: Add B3 */
if (pDCTstat->LogicalCPUID & AMD_DR_B2) {
- mct_Wait_10ns(5000); /* Wait 50 us*/
+ mct_Wait(10000); /* Wait 50 us*/
val = Get_NB32(dev, 0x110);
if ( val & (1 << DramEnabled)) {
/* If 50 us expires while DramEnable =0 then do the following */
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ * Copyright (C) 2007-2008 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
u8 Channel, u8 Receiver,
u32 dev, u32 index_reg,
u8 Addl_Index, u8 Pass);
-static void CalcMaxLatency_D(struct DCTStatStruc *pDCTstat,
- u8 DQSRcvrEnDly, u8 Channel);
static void mct_SetMaxLatency_D(struct DCTStatStruc *pDCTstat, u8 Channel, u8 DQSRcvEnDly);
-static void mct_SetDQSRcvEn_D(struct DCTStatStruc *pDCTstat, u32 val);
static void fenceDynTraining_D(struct MCTStatStruc *pMCTstat,
struct DCTStatStruc *pDCTstat, u8 dct);
static void mct_DisableDQSRcvEn_D(struct DCTStatStruc *pDCTstat);
u8 *test_buf;
u8 i;
u8 result;
- u8 *addr_lo_buf;
+ u8 value;
- SetUpperFSbase(addr); // needed?
if(Pass == FirstPass) {
if(pattern==1) {
test_buf = (u8 *)TestPattern2_D;
}
- addr_lo_buf = (u8 *) (addr << 8);
- result = DQS_FAIL;
+ SetUpperFSbase(addr);
+ addr <<= 8;
if((pDCTstat->Status & (1<<SB_128bitmode)) && channel ) {
- addr_lo_buf += 8; /* second channel */
+ addr += 8; /* second channel */
test_buf += 8;
}
-
-#if DQS_TRAIN_DEBUG > 4
- print_debug("\t\t\t\t\t\tQW0 : test_buf = ");
- print_debug_hex32((unsigned)test_buf);
- print_debug(": ");
+ print_debug_dqs_pair("\t\t\t\t\t\t test_buf = ", (u32)test_buf, " | addr_lo = ", addr, 4);
for (i=0; i<8; i++) {
- print_debug_hex8(test_buf[i]); print_debug(" ");
- }
- print_debug("\n");
-
- print_debug("\t\t\t\t\t\tQW0 : addr_lo_buf = ");
- print_debug_hex32((unsigned)addr_lo_buf);
- print_debug(": ");
- for (i=0; i<8; i++) {
- print_debug_hex8(addr_lo_buf[i]); print_debug(" ");
- }
- print_debug("\n");
-#endif
+ value = read32_fs(addr);
+ print_debug_dqs_pair("\t\t\t\t\t\t\t\t ", test_buf[i], " | ", value, 4);
- /* prevent speculative execution of following instructions */
- _EXECFENCE;
-
- for (i=0; i<8; i++) {
- if(addr_lo_buf[i] == test_buf[i]) {
+ if (value == test_buf[i]) {
pDCTstat->DqsRcvEn_Pass |= (1<<i);
} else {
pDCTstat->DqsRcvEn_Pass &= ~(1<<i);
}
}
+ result = DQS_FAIL;
if (Pass == FirstPass) {
/* if first pass, at least one byte lane pass
Set_NB32_index_wait(dev, index_reg, 0x08, val);
/* Wait 200 MEMCLKs. */
- mct_Wait_10ns (20000); /* wait 200us */
+ mct_Wait(50000); /* wait 200us */
/* Clear F2x[1,0]9C_x08[PhyFenceTrEn]=0. */
val = Get_NB32_index_wait(dev, index_reg, 0x08);
}
-static void mct_Wait_10ns (u32 cycles)
+static void mct_Wait(u32 cycles)
{
- u32 saved, i;
+ u32 saved;
u32 hi, lo, msr;
- /* cycles = number of 10ns cycles(or longer) to delay */
- /* FIXME: Need to calibrate to CPU/NCLK speed? */
+ /* Wait # of 50ns cycles
+ This seems like a hack to me... */
- msr = 0x10; /* TSC */
- for (i = 0; i < cycles; i++) {
- _RDMSR(msr, &lo, &hi);
- saved = lo;
+ cycles <<= 3; /* x8 (number of 1.25ns ticks) */
- do {
- _RDMSR(msr, &lo, &hi);
- } while (lo - saved < 8); /* 8 x 1.25 ns as NCLK is at 1.25ns */
- }
+ msr = 0x10; /* TSC */
+ _RDMSR(msr, &lo, &hi);
+ saved = lo;
+ do {
+ _RDMSR(msr, &lo, &hi);
+ } while (lo - saved < cycles );
}
projects / coreboot.git / commitdiff