amd/amdmct/mct_ddr3: Partially fix up registered DIMMs on Fam10h

Sufficient support has been added to allow booting with registered
DIMMs on the KGPE-D16 in certain slots.  ECC support needs additional
work; the ECC data lanes appear to cause boot failures in some slots.

Change-Id: Ieaf4cbf351908e5a89760be49a6667dc55dbc575
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/12017
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
This commit is contained in:
Timothy Pearson 2015-07-26 00:55:43 -05:00 committed by Martin Roth
parent 474ff3dee5
commit f682d0028c
7 changed files with 399 additions and 144 deletions

View File

@ -311,6 +311,120 @@ static uint16_t mhz_to_memclk_config(uint16_t freq)
return fam10h_mhz_to_memclk_config(freq) + 1;
}
static uint32_t fam10h_address_timing_compensation_code(struct DCTStatStruc *pDCTstat, uint8_t dct)
{
uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
uint8_t package_type;
uint32_t calibration_code = 0;
package_type = mctGet_NVbits(NV_PACK_TYPE);
uint16_t MemClkFreq = (Get_NB32_DCT(pDCTstat->dev_dct, dct, 0x94) & 0x7) + 1;
/* Obtain number of DIMMs on channel */
uint8_t dimm_count = pDCTstat->MAdimms[dct];
uint8_t rank_count_dimm0;
uint8_t rank_count_dimm1;
if (package_type == PT_GR) {
/* Socket G34 */
if (pDCTstat->Status & (1 << SB_Registered)) {
/* RDIMM */
/* Fam10h BKDG Rev. 3.62 section 2.8.9.5.8 Tables 60 - 61 */
if (MaxDimmsInstallable == 1) {
if (MemClkFreq == 0x4) {
/* DDR3-800 */
calibration_code = 0x00000000;
} else if (MemClkFreq == 0x5) {
/* DDR3-1066 */
calibration_code = 0x003c3c3c;
} else if (MemClkFreq == 0x6) {
/* DDR3-1333 */
calibration_code = 0x003a3a3a;
}
} else if (MaxDimmsInstallable == 2) {
if (dimm_count == 1) {
/* 1 DIMM detected */
if (MemClkFreq == 0x4) {
/* DDR3-800 */
calibration_code = 0x00000000;
} else if (MemClkFreq == 0x5) {
/* DDR3-1066 */
calibration_code = 0x003c3c3c;
} else if (MemClkFreq == 0x6) {
/* DDR3-1333 */
calibration_code = 0x003a3a3a;
}
} else if (dimm_count == 2) {
/* 2 DIMMs detected */
if (MemClkFreq == 0x4) {
/* DDR3-800 */
calibration_code = 0x00000000;
} else if (MemClkFreq == 0x5) {
/* DDR3-1066 */
calibration_code = 0x003a3c3a;
} else if (MemClkFreq == 0x6) {
/* DDR3-1333 */
calibration_code = 0x00383a38;
}
}
} else if (MaxDimmsInstallable == 3) {
/* TODO
* 3 DIMM/channel support unimplemented
*/
}
} else {
/* UDIMM */
/* Fam10h BKDG Rev. 3.62 section 2.8.9.5.8 Table 56 */
if (dimm_count == 1) {
/* 1 DIMM detected */
rank_count_dimm0 = pDCTstat->DimmRanks[(1 * 2) + dct];
if (MemClkFreq == 0x4) {
/* DDR3-800 */
if (rank_count_dimm0 == 1)
calibration_code = 0x00000000;
else
calibration_code = 0x003b0000;
} else if (MemClkFreq == 0x5) {
/* DDR3-1066 */
if (rank_count_dimm0 == 1)
calibration_code = 0x00000000;
else
calibration_code = 0x00380000;
} else if (MemClkFreq == 0x6) {
/* DDR3-1333 */
if (rank_count_dimm0 == 1)
calibration_code = 0x00000000;
else
calibration_code = 0x00360000;
}
} else if (dimm_count == 2) {
/* 2 DIMMs detected */
rank_count_dimm0 = pDCTstat->DimmRanks[(0 * 2) + dct];
rank_count_dimm1 = pDCTstat->DimmRanks[(1 * 2) + dct];
if (MemClkFreq == 0x4) {
/* DDR3-800 */
calibration_code = 0x00390039;
} else if (MemClkFreq == 0x5) {
/* DDR3-1066 */
calibration_code = 0x00350037;
} else if (MemClkFreq == 0x6) {
/* DDR3-1333 */
calibration_code = 0x00000035;
}
}
}
} else {
/* TODO
* Other socket support unimplemented
*/
}
return calibration_code;
}
static uint32_t fam15h_phy_predriver_calibration_code(struct DCTStatStruc *pDCTstat, uint8_t dct, uint8_t drive_strength)
{
uint8_t lrdimm = 0;
@ -1005,7 +1119,7 @@ static uint32_t fam15h_address_timing_compensation_code(struct DCTStatStruc *pDC
/* Fam15h BKDG Rev. 3.14 section 2.10.5.3.4 Table 74 */
if (MaxDimmsInstallable == 1) {
if ((MemClkFreq == 0x4) || (MemClkFreq == 0x6)) {
/* DDR3-667 - DDR3-800*/
/* DDR3-667 - DDR3-800 */
calibration_code = 0x00000000;
} else if (MemClkFreq == 0xa) {
/* DDR3-1066 */
@ -1021,7 +1135,7 @@ static uint32_t fam15h_address_timing_compensation_code(struct DCTStatStruc *pDC
if (dimm_count == 1) {
/* 1 DIMM detected */
if ((MemClkFreq == 0x4) || (MemClkFreq == 0x6)) {
/* DDR3-667 - DDR3-800*/
/* DDR3-667 - DDR3-800 */
calibration_code = 0x00000000;
} else if (MemClkFreq == 0xa) {
/* DDR3-1066 */
@ -1036,7 +1150,7 @@ static uint32_t fam15h_address_timing_compensation_code(struct DCTStatStruc *pDC
} else if (dimm_count == 2) {
/* 2 DIMMs detected */
if ((MemClkFreq == 0x4) || (MemClkFreq == 0x6)) {
/* DDR3-667 - DDR3-800*/
/* DDR3-667 - DDR3-800 */
calibration_code = 0x00000000;
} else if (MemClkFreq == 0xa) {
/* DDR3-1066 */
@ -1314,6 +1428,26 @@ static void read_spd_bytes(struct MCTStatStruc *pMCTstat,
}
}
#ifdef DEBUG_DIMM_SPD
static void dump_spd_bytes(struct MCTStatStruc *pMCTstat,
struct DCTStatStruc *pDCTstat, uint8_t dimm)
{
uint16_t byte;
printk(BIOS_DEBUG, "SPD dump for DIMM %d\n ", dimm);
for (byte = 0; byte < 16; byte++) {
printk(BIOS_DEBUG, "%02x ", byte);
}
for (byte = 0; byte < 256; byte++) {
if ((byte & 0xf) == 0x0) {
printk(BIOS_DEBUG, "\n%02x ", byte >> 4);
}
printk(BIOS_DEBUG, "%02x ", pDCTstat->spd_data.spd_bytes[dimm][byte]);
}
printk(BIOS_DEBUG, "\n");
}
#endif
#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
static void calculate_and_store_spd_hashes(struct MCTStatStruc *pMCTstat,
struct DCTStatStruc *pDCTstat)
@ -1515,6 +1649,7 @@ restartinit:
pMCTstat->GStatus |= 1 << GSB_ConfigRestored;
#endif
if (is_fam15h()) {
printk(BIOS_DEBUG, "mctAutoInitMCT_D: mct_ForceNBPState0_Dis_Fam15\n");
for (Node = 0; Node < MAX_NODES_SUPPORTED; Node++) {
struct DCTStatStruc *pDCTstat;
@ -1522,6 +1657,7 @@ restartinit:
mct_ForceNBPState0_Dis_Fam15(pMCTstat, pDCTstat);
}
}
} else {
NodesWmem = 0;
node_sys_base = 0;
@ -1682,7 +1818,6 @@ restartinit:
printk(BIOS_DEBUG, "mctAutoInitMCT_D: UMAMemTyping_D\n");
UMAMemTyping_D(pMCTstat, pDCTstatA); /* Fix up for UMA sizing */
}
printk(BIOS_DEBUG, "mctAutoInitMCT_D: mct_ForceNBPState0_Dis_Fam15\n");
for (Node = 0; Node < MAX_NODES_SUPPORTED; Node++) {
@ -1691,6 +1826,7 @@ restartinit:
mct_ForceNBPState0_Dis_Fam15(pMCTstat, pDCTstat);
}
}
if (is_fam15h()) {
enable_cc6 = 0;
@ -2727,6 +2863,10 @@ static void DCTFinalInit_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *p
dword = 1 << DisDramInterface;
Set_NB32_DCT(pDCTstat->dev_dct, dct, 0x94, dword);
dword = Get_NB32_DCT(pDCTstat->dev_dct, dct, 0x90);
dword &= ~(1 << ParEn);
Set_NB32_DCT(pDCTstat->dev_dct, dct, 0x90, dword);
/* To maximize power savings when DisDramInterface=1b,
* all of the MemClkDis bits should also be set.
*/
@ -3610,7 +3750,9 @@ static u8 AutoConfig_D(struct MCTStatStruc *pMCTstat,
dword++;
}
if (!(Status & (1 << SB_Registered)))
if (Status & (1 << SB_Registered))
DramConfigLo |= 1 << ParEn; /* Registered DIMMs */
else
DramConfigLo |= 1 << UnBuffDimm; /* Unbuffered DIMMs */
if (mctGet_NVbits(NV_ECC_CAP))
@ -4099,6 +4241,9 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat,
if (status >= 0) { /* SPD access is ok */
pDCTstat->DIMMPresent |= 1 << i;
read_spd_bytes(pMCTstat, pDCTstat, i);
#ifdef DEBUG_DIMM_SPD
dump_spd_bytes(pMCTstat, pDCTstat, i);
#endif
crc_status = crcCheck(pDCTstat, i);
if (!crc_status) {
/* Try again in case there was a transient glitch */
@ -4398,6 +4543,10 @@ static void mct_initDCT(struct MCTStatStruc *pMCTstat,
val = 1 << DisDramInterface;
Set_NB32_DCT(pDCTstat->dev_dct, 1, 0x94, val);
val = Get_NB32_DCT(pDCTstat->dev_dct, 1, 0x90);
val &= ~(1 << ParEn);
Set_NB32_DCT(pDCTstat->dev_dct, 1, 0x90, val);
/* To maximize power savings when DisDramInterface=1b,
* all of the MemClkDis bits should also be set.
*/
@ -4552,6 +4701,7 @@ static u8 mct_PlatformSpec(struct MCTStatStruc *pMCTstat,
index_reg = 0x98;
Set_NB32_index_wait_DCT(dev, i, index_reg, 0x00, pDCTstat->CH_ODC_CTL[i]); /* Channel A/B Output Driver Compensation Control */
Set_NB32_index_wait_DCT(dev, i, index_reg, 0x04, pDCTstat->CH_ADDR_TMG[i]); /* Channel A/B Output Driver Compensation Control */
printk(BIOS_SPEW, "Programmed DCT %d timing/termination pattern %08x %08x\n", dct, pDCTstat->CH_ADDR_TMG[i], pDCTstat->CH_ODC_CTL[i]);
}
return pDCTstat->ErrCode;
@ -4608,11 +4758,19 @@ static u8 mct_SPDCalcWidth(struct MCTStatStruc *pMCTstat,
val = Get_NB32_DCT(pDCTstat->dev_dct, 0, 0x94);
val |= 1 << DisDramInterface;
Set_NB32_DCT(pDCTstat->dev_dct, 0, 0x94, val);
val = Get_NB32_DCT(pDCTstat->dev_dct, 0, 0x90);
val &= ~(1 << ParEn);
Set_NB32_DCT(pDCTstat->dev_dct, 0, 0x90, val);
}
if (pDCTstat->DIMMValidDCT[1] == 0) {
val = Get_NB32_DCT(pDCTstat->dev_dct, 1, 0x94);
val |= 1 << DisDramInterface;
Set_NB32_DCT(pDCTstat->dev_dct, 1, 0x94, val);
val = Get_NB32_DCT(pDCTstat->dev_dct, 1, 0x90);
val &= ~(1 << ParEn);
Set_NB32_DCT(pDCTstat->dev_dct, 1, 0x90, val);
}
printk(BIOS_DEBUG, "SPDCalcWidth: Status %x\n", pDCTstat->Status);
@ -6043,6 +6201,8 @@ static void mct_ProgramODT_D(struct MCTStatStruc *pMCTstat,
dword &= ~(0xf); /* RdOdtTrnOnDly = read_odt_delay */
dword |= (read_odt_delay & 0xf);
Set_NB32_DCT(dev, dct, 0x240, dword);
printk(BIOS_SPEW, "Programmed ODT pattern %08x %08x %08x %08x\n", odt_pattern_0, odt_pattern_1, odt_pattern_2, odt_pattern_3);
} else if (pDCTstat->LogicalCPUID & AMD_DR_Dx) {
if (pDCTstat->Speed == 3)
dword = 0x00000800;
@ -6178,6 +6338,8 @@ static void mct_ProgramODT_D(struct MCTStatStruc *pMCTstat,
Set_NB32_index_wait_DCT(dev, i, 0xf0, 0x181, odt_pattern_0);
Set_NB32_index_wait_DCT(dev, i, 0xf0, 0x182, odt_pattern_3);
Set_NB32_index_wait_DCT(dev, i, 0xf0, 0x183, odt_pattern_2);
printk(BIOS_SPEW, "Programmed ODT pattern %08x %08x %08x %08x\n", odt_pattern_0, odt_pattern_1, odt_pattern_2, odt_pattern_3);
}
}

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@ -17,7 +17,7 @@
/* AM3/ASB2/C32/G34 DDR3 */
static void Get_ChannelPS_Cfg0_D(u8 MAAdimms, u8 Speed, u8 MAAload,
u32 *AddrTmgCTL, u32 *ODC_CTL,
u32 *ODC_CTL,
u8 *CMDmode);
void mctGet_PS_Cfg_D(struct MCTStatStruc *pMCTstat,
@ -30,9 +30,14 @@ void mctGet_PS_Cfg_D(struct MCTStatStruc *pMCTstat,
} else {
Get_ChannelPS_Cfg0_D(pDCTstat->MAdimms[dct], pDCTstat->Speed,
pDCTstat->MAload[dct],
&(pDCTstat->CH_ADDR_TMG[dct]), &(pDCTstat->CH_ODC_CTL[dct]),
&(pDCTstat->CH_ODC_CTL[dct]),
&pDCTstat->_2Tmode);
if (pDCTstat->Status & (1 << SB_Registered)) {
pDCTstat->_2Tmode = 1; /* Disable slow access mode */
}
pDCTstat->CH_ADDR_TMG[dct] = fam10h_address_timing_compensation_code(pDCTstat, dct);
pDCTstat->CH_ODC_CTL[dct] |= 0x20000000; /* 60ohms */
}
@ -50,42 +55,25 @@ void mctGet_PS_Cfg_D(struct MCTStatStruc *pMCTstat,
* : ODC_CTL - Output Driver Compensation Control Register Value
* : CMDmode - CMD mode
*/
static void Get_ChannelPS_Cfg0_D( u8 MAAdimms, u8 Speed, u8 MAAload,
u32 *AddrTmgCTL, u32 *ODC_CTL,
static void Get_ChannelPS_Cfg0_D(u8 MAAdimms, u8 Speed, u8 MAAload,
u32 *ODC_CTL,
u8 *CMDmode)
{
*AddrTmgCTL = 0;
*ODC_CTL = 0;
*CMDmode = 1;
if(MAAdimms == 1) {
if(MAAload >= 16) {
if(Speed == 4)
*AddrTmgCTL = 0x003B0000;
else if (Speed == 5)
*AddrTmgCTL = 0x00380000;
else if (Speed == 6)
*AddrTmgCTL = 0x00360000;
else
*AddrTmgCTL = 0x00340000;
} else {
*AddrTmgCTL = 0x00000000;
}
if (MAAdimms == 1) {
*ODC_CTL = 0x00113222;
*CMDmode = 1;
} else /* if(MAAdimms == 0) */ {
if(Speed == 4) {
*CMDmode = 1;
*AddrTmgCTL = 0x00390039;
} else if(Speed == 5) {
*CMDmode = 1;
*AddrTmgCTL = 0x00350037;
} else if(Speed == 6) {
*CMDmode = 2;
*AddrTmgCTL = 0x00000035;
} else {
*CMDmode = 2;
*AddrTmgCTL = 0x00000033;
}
*ODC_CTL = 0x00223323;
}

View File

@ -237,13 +237,28 @@ static void CalcEccDQSPos_D(struct MCTStatStruc *pMCTstat,
struct DCTStatStruc *pDCTstat,
u16 like, u8 scale, u8 ChipSel)
{
u8 DQSDelay0, DQSDelay1;
u16 DQSDelay;
uint8_t DQSDelay0, DQSDelay1;
int16_t delay_differential;
uint16_t DQSDelay;
if (pDCTstat->Status & (1 << SB_Registered)) {
return;
}
pDCTstat->ByteLane = 0x2;
GetDQSDatStrucVal_D(pMCTstat, pDCTstat, ChipSel);
DQSDelay0 = pDCTstat->DQSDelay;
pDCTstat->ByteLane = 0x3;
GetDQSDatStrucVal_D(pMCTstat, pDCTstat, ChipSel);
DQSDelay1 = pDCTstat->DQSDelay;
if (pDCTstat->Direction == DQS_READDIR) {
DQSDelay = DQSDelay1;
} else {
delay_differential = (int16_t)DQSDelay1 - (int16_t)DQSDelay0;
delay_differential += (int16_t)DQSDelay1;
DQSDelay = delay_differential;
}
} else {
pDCTstat->ByteLane = like & 0xff;
GetDQSDatStrucVal_D(pMCTstat, pDCTstat, ChipSel);
DQSDelay0 = pDCTstat->DQSDelay;
@ -269,6 +284,7 @@ static void CalcEccDQSPos_D(struct MCTStatStruc *pMCTstat,
} else {
DQSDelay += DQSDelay1;
}
}
pDCTstat->DQSDelay = (u8)DQSDelay;
}

View File

@ -14,12 +14,39 @@
* GNU General Public License for more details.
*/
static uint16_t memclk_to_freq(uint16_t memclk) {
uint16_t fam10h_freq_tab[] = {0, 0, 0, 400, 533, 667, 800};
uint16_t fam15h_freq_tab[] = {0, 0, 0, 0, 333, 0, 400, 0, 0, 0, 533, 0, 0, 0, 667, 0, 0, 0, 800, 0, 0, 0, 933};
uint16_t mem_freq = 0;
if (is_fam15h()) {
if (memclk < 0x17) {
mem_freq = fam15h_freq_tab[memclk];
}
} else {
if ((memclk > 0x0) && (memclk < 0x8)) {
mem_freq = fam10h_freq_tab[memclk - 1];
}
}
return mem_freq;
}
static uint32_t rc_word_value_to_ctl_bits(uint32_t value) {
return ((value >> 2) & 3) << 16 | ((value & 3) << 3);
}
static u32 mct_ControlRC(struct MCTStatStruc *pMCTstat,
struct DCTStatStruc *pDCTstat, u32 MrsChipSel, u32 CtrlWordNum)
{
u8 Dimms, DimmNum, MaxDimm, Speed;
u8 Dimms, DimmNum;
u32 val;
u32 dct = 0;
uint8_t ddr_voltage_index;
uint16_t mem_freq;
uint8_t package_type = mctGet_NVbits(NV_PACK_TYPE);
uint8_t MaxDimmsInstallable = mctGet_NVbits(NV_MAX_DIMMS_PER_CH);
DimmNum = (MrsChipSel >> 20) & 0xFE;
@ -28,54 +55,64 @@ static u32 mct_ControlRC(struct MCTStatStruc *pMCTstat,
/* DimmNum ++; */
/* cl +=8; */
MaxDimm = mctGet_NVbits(NV_MAX_DIMMS);
Speed = pDCTstat->DIMMAutoSpeed;
mem_freq = memclk_to_freq(pDCTstat->DIMMAutoSpeed);
if (pDCTstat->CSPresent_DCT[0] > 0) {
dct = 0;
} else if (pDCTstat->CSPresent_DCT[1] > 0 ){
} else if (pDCTstat->CSPresent_DCT[1] > 0 ) {
dct = 1;
DimmNum ++;
DimmNum++;
}
Dimms = pDCTstat->MAdimms[dct];
ddr_voltage_index = dct_ddr_voltage_index(pDCTstat, dct);
val = 0;
if (CtrlWordNum == 0)
val |= 1 << 1;
val = 0x2;
else if (CtrlWordNum == 1) {
if (!((pDCTstat->DimmDRPresent | pDCTstat->DimmQRPresent) & (1 << DimmNum)))
val |= 0xC; /* if single rank, set DBA1 and DBA0 */
val = 0xC; /* if single rank, set DBA1 and DBA0 */
} else if (CtrlWordNum == 2) {
if (MaxDimm == 4) {
if (Speed == 4) {
if (((pDCTstat->DimmQRPresent & (1 << DimmNum)) && (Dimms == 1)) || (Dimms == 2))
if (!(pDCTstat->MirrPresU_NumRegR & (1 << DimmNum)))
val |= 1 << 2;
} else {
if (pDCTstat->MirrPresU_NumRegR & (1 << DimmNum))
val |= 1 << 2;
}
} else {
if (package_type == PT_GR) {
/* Socket G34 */
if (MaxDimmsInstallable == 2) {
if (Dimms > 1)
val |= 1 << 2;
val = 0x4;
}
}
} else if (CtrlWordNum == 3) {
val |= (pDCTstat->CtrlWrd3 >> (DimmNum << 2)) & 0xFF;
val = (pDCTstat->CtrlWrd3 >> (DimmNum << 2)) & 0xFF;
} else if (CtrlWordNum == 4) {
val |= (pDCTstat->CtrlWrd4 >> (DimmNum << 2)) & 0xFF;
val = (pDCTstat->CtrlWrd4 >> (DimmNum << 2)) & 0xFF;
} else if (CtrlWordNum == 5) {
val |= (pDCTstat->CtrlWrd5 >> (DimmNum << 2)) & 0xFF;
val = (pDCTstat->CtrlWrd5 >> (DimmNum << 2)) & 0xFF;
} else if (CtrlWordNum == 8) {
if (MaxDimm == 4)
if (Speed == 4)
if (pDCTstat->MirrPresU_NumRegR & (1 << DimmNum))
val |= 1 << 2;
} else if (CtrlWordNum == 9) {
val |= 0xD; /* DBA1, DBA0, DA3 = 0 */
if (package_type == PT_GR) {
/* Socket G34 */
if (MaxDimmsInstallable == 2) {
val = 0x0;
}
val &= 0xffffff0f;
}
} else if (CtrlWordNum == 9) {
val = 0xD; /* DBA1, DBA0, DA3 = 0 */
} else if (CtrlWordNum == 10) {
val = 0x0; /* Lowest operating frequency */
} else if (CtrlWordNum == 11) {
if (ddr_voltage_index & 0x4)
val = 0x2; /* 1.25V */
else if (ddr_voltage_index & 0x2)
val = 0x1; /* 1.35V */
else
val = 0x0; /* 1.5V */
} else if (CtrlWordNum >= 12) {
val = 0x0; /* Unset */
}
val &= 0xf;
val = MrsChipSel | ((val >> 2) & 3) << 16 | ((val & 3) << 3);
printk(BIOS_SPEW, "Preparing to send DIMM RC%d: %02x\n", CtrlWordNum, val);
val = MrsChipSel | rc_word_value_to_ctl_bits(val);
/* transfer Control word number to address [BA2,A2,A1,A0] */
if (CtrlWordNum > 7) {
@ -160,8 +197,10 @@ void FreqChgCtrlWrd(struct MCTStatStruc *pMCTstat,
u32 MrsChipSel;
u32 dev = pDCTstat->dev_dct;
u32 val;
uint16_t mem_freq;
pDCTstat->DIMMAutoSpeed = pDCTstat->TargetFreq;
mem_freq = memclk_to_freq(pDCTstat->TargetFreq);
for (MrsChipSel=0; MrsChipSel < 8; MrsChipSel++, MrsChipSel++) {
if (pDCTstat->CSPresent & (1 << MrsChipSel)) {
/* 2. Program F2x[1, 0]A8[CtrlWordCS]=bit mask for target chip selects. */
@ -171,19 +210,31 @@ void FreqChgCtrlWrd(struct MCTStatStruc *pMCTstat,
Set_NB32_DCT(dev, 0, 0xA8, val); /* TODO: dct 0 / 1 select */
/* Resend control word 10 */
uint8_t freq_ctl_val = 0;
mct_Wait(1600);
switch (pDCTstat->TargetFreq) {
case 5:
mct_SendCtrlWrd(pMCTstat, pDCTstat, MrsChipSel << 20 | 0x4000A);
switch (mem_freq) {
case 333:
case 400:
freq_ctl_val = 0x0;
break;
case 6:
mct_SendCtrlWrd(pMCTstat, pDCTstat, MrsChipSel << 20 | 0x40012);
case 533:
freq_ctl_val = 0x1;
break;
case 7:
mct_SendCtrlWrd(pMCTstat, pDCTstat, MrsChipSel << 20 | 0x4001A);
case 667:
freq_ctl_val = 0x2;
break;
case 800:
freq_ctl_val = 0x3;
break;
case 933:
freq_ctl_val = 0x4;
break;
}
printk(BIOS_SPEW, "Preparing to send DIMM RC%d: %02x\n", 10, freq_ctl_val);
mct_SendCtrlWrd(pMCTstat, pDCTstat, MrsChipSel << 20 | 0x40002 | rc_word_value_to_ctl_bits(freq_ctl_val));
mct_Wait(1600);
/* Resend control word 2 */

View File

@ -492,6 +492,8 @@ static u32 mct_MR2(struct MCTStatStruc *pMCTstat,
ret |= ((dword >> 10) & 3) << 9;
}
printk(BIOS_SPEW, "Going to send MR2 control word %08x\n", ret);
return ret;
}
@ -521,6 +523,8 @@ static u32 mct_MR3(struct MCTStatStruc *pMCTstat,
ret |= (dword >> 24) & 7;
}
printk(BIOS_SPEW, "Going to send MR3 control word %08x\n", ret);
return ret;
}
@ -615,6 +619,8 @@ static u32 mct_MR1(struct MCTStatStruc *pMCTstat,
ret |= 1 << 12;
}
printk(BIOS_SPEW, "Going to send MR1 control word %08x\n", ret);
return ret;
}
@ -734,6 +740,8 @@ static u32 mct_MR0(struct MCTStatStruc *pMCTstat,
ret |= 1 << 8;
}
printk(BIOS_SPEW, "Going to send MR0 control word %08x\n", ret);
return ret;
}

View File

@ -1740,6 +1740,7 @@ static void CalcEccDQSRcvrEn_D(struct MCTStatStruc *pMCTstat,
u16 EccDQSLike;
u8 EccDQSScale;
u32 val, val0, val1;
int16_t delay_differential;
EccDQSLike = pDCTstat->CH_EccDQSLike[Channel];
EccDQSScale = pDCTstat->CH_EccDQSScale[Channel];
@ -1749,6 +1750,15 @@ static void CalcEccDQSRcvrEn_D(struct MCTStatStruc *pMCTstat,
u16 *p;
p = pDCTstat->CH_D_B_RCVRDLY[Channel][ChipSel>>1];
if (pDCTstat->Status & (1 << SB_Registered)) {
val0 = p[0x2];
val1 = p[0x3];
delay_differential = (int16_t)val1 - (int16_t)val0;
delay_differential += (int16_t)val1;
val = delay_differential;
} else {
/* DQS Delay Value of Data Bytelane
* most like ECC byte lane */
val0 = p[EccDQSLike & 0x07];
@ -1756,7 +1766,6 @@ static void CalcEccDQSRcvrEn_D(struct MCTStatStruc *pMCTstat,
* 2nd most like ECC byte lane */
val1 = p[(EccDQSLike>>8) & 0x07];
if (!(pDCTstat->Status & (1 << SB_Registered))) {
if(val0 > val1) {
val = val0 - val1;
} else {
@ -1771,9 +1780,6 @@ static void CalcEccDQSRcvrEn_D(struct MCTStatStruc *pMCTstat,
} else {
val += val0;
}
} else {
val = val1 - val0;
val += val1;
}
pDCTstat->CH_D_BC_RCVRDLY[Channel][ChipSel>>1] = val;

View File

@ -926,7 +926,9 @@ void programODT(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, ui
else if ((cs == 4) || (cs == 0))
WrLvOdt1 = (dword & 0xf);
} else {
if (pDCTData->Status[DCT_STATUS_REGISTERED] == 0) {
if (pDCTData->Status[DCT_STATUS_REGISTERED]) {
WrLvOdt1 = WrLvOdtRegDimm(pMCTData, pDCTData, dimm);
} else {
if ((pDCTData->DctCSPresent & 0x05) == 0x05) {
WrLvOdt1 = 0x03;
} else if (bitTest((u32)pDCTData->DctCSPresent,(u8)(dimm*2+1))) {
@ -934,14 +936,14 @@ void programODT(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, ui
} else {
WrLvOdt1 = (u8)bitTestSet(WrLvOdt1, dimm);
}
} else {
WrLvOdt1 = WrLvOdtRegDimm(pMCTData, pDCTData, dimm);
}
}
set_DCT_ADDR_Bits(pDCTData, dct, pDCTData->NodeId, FUN_DCT,
DRAM_ADD_DCT_PHY_CONTROL_REG, 8, 11, (u32)WrLvOdt1);
printk(BIOS_SPEW, "Programmed DCT %d write levelling ODT pattern %08x\n", dct, WrLvOdt1);
}
#ifdef UNUSED_CODE
@ -976,7 +978,7 @@ void procConfig(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, ui
u16 Addl_Data_Offset, Addl_Data_Port;
sMCTStruct *pMCTData = pDCTstat->C_MCTPtr;
sDCTStruct *pDCTData = pDCTstat->C_DCTPtr[dct];
u16 fam10h_freq_tab[] = {400, 533, 667, 800};
uint16_t fam10h_freq_tab[] = {0, 0, 0, 400, 533, 667, 800};
uint16_t fam15h_freq_tab[] = {0, 0, 0, 0, 333, 0, 400, 0, 0, 0, 533, 0, 0, 0, 667, 0, 0, 0, 800, 0, 0, 0, 933};
if (is_fam15h()) {
@ -1089,21 +1091,18 @@ void procConfig(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, ui
pDCTData->WLSeedPreGrossDelay[MAX_BYTE_LANES*dimm+ByteLane] = Seed_PreGross;
}
} else {
if (pDCTData->Status[DCT_STATUS_REGISTERED])
{
if(pDCTData->RegMan1Present & ((1<<(dimm*2+dct))))
{
if (pDCTData->Status[DCT_STATUS_REGISTERED]) {
uint8_t AddrCmdPrelaunch = 0; /* TODO: Fetch the correct value from RC2[0] */
/* The seed values below assume Pass 1 utilizes a 400MHz clock frequency (DDR3-800) */
if (AddrCmdPrelaunch == 0) {
Seed_Gross = 0x02;
Seed_Fine = 0x16;
}
else
{
Seed_Fine = 0x01;
} else {
Seed_Gross = 0x02;
Seed_Fine = 0x00;
Seed_Fine = 0x11;
}
}
else
{
} else {
if (MemClkFreq == 6) {
/* DDR-800 */
Seed_Gross = 0x00;
@ -1127,6 +1126,7 @@ void procConfig(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, ui
*/
pDCTData->WLGrossDelay[MAX_BYTE_LANES*dimm+ByteLane] = Seed_Gross;
pDCTData->WLFineDelay[MAX_BYTE_LANES*dimm+ByteLane] = Seed_Fine;
printk(BIOS_SPEW, "\tLane %02x initial seed: %04x\n", ByteLane, ((Seed_Gross & 0x1f) << 5) | (Seed_Fine & 0x1f));
}
} else {
/* Pass 2 */
@ -1178,21 +1178,30 @@ void procConfig(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, ui
pDCTData->WLGrossDelay[MAX_BYTE_LANES*dimm+ByteLane] = Seed_PreGross;
pDCTData->WLFineDelay[MAX_BYTE_LANES*dimm+ByteLane] = Seed_Fine;
printk(BIOS_SPEW, "\tLane %02x new seed: %04x\n", ByteLane, ((Seed_Gross & 0x1f) << 5) | (Seed_Fine & 0x1f));
}
} else {
u32 RegisterDelay, SeedTotal;
uint32_t RegisterDelay;
uint32_t SeedTotalPreScaling;
uint32_t SeedTotal;
uint8_t AddrCmdPrelaunch = 0; /* TODO: Fetch the correct value from RC2[0] */
for (ByteLane = 0; ByteLane < MAX_BYTE_LANES; ByteLane++)
{
if (pDCTData->Status[DCT_STATUS_REGISTERED])
RegisterDelay = 0x20; /* TODO: ((RCW2 & BIT0) == 0) ? 0x20 : 0x30; */
if (pDCTData->Status[DCT_STATUS_REGISTERED]) {
if (AddrCmdPrelaunch == 0)
RegisterDelay = 0x20;
else
RegisterDelay = 0x30;
} else {
RegisterDelay = 0;
SeedTotal = (pDCTData->WLFineDelay[MAX_BYTE_LANES*dimm+ByteLane] & 0x1f) |
(pDCTData->WLGrossDelay[MAX_BYTE_LANES*dimm+ByteLane] << 5);
}
SeedTotalPreScaling = ((pDCTData->WLFineDelay[MAX_BYTE_LANES*dimm+ByteLane] & 0x1f) |
(pDCTData->WLGrossDelay[MAX_BYTE_LANES*dimm+ByteLane] << 5)) - RegisterDelay;
/* SeedTotalPreScaling = (the total delay value in F2x[1, 0]9C_x[4A:30] from pass 1 of write levelization
training) - RegisterDelay. */
SeedTotal = (uint16_t) (RegisterDelay + ((((uint64_t) SeedTotal - RegisterDelay) *
fam10h_freq_tab[MemClkFreq-3] * 100) / (fam10h_freq_tab[0] * 100)));
SeedTotal = (uint16_t) ((((uint64_t) SeedTotalPreScaling) *
fam10h_freq_tab[MemClkFreq] * 100) / (fam10h_freq_tab[3] * 100));
Seed_Gross = SeedTotal / 32;
Seed_Fine = SeedTotal & 0x1f;
if (Seed_Gross == 0)
@ -1201,8 +1210,20 @@ void procConfig(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, ui
Seed_Gross = 1;
else
Seed_Gross = 2;
/* The BKDG-recommended algorithm causes problems with registered DIMMs on some systems
* due to the long register delays causing premature total delay wrap-around.
* Attempt to work around this...
*/
SeedTotal = ((Seed_Gross & 0x1f) << 5) | (Seed_Fine & 0x1f);
SeedTotal += RegisterDelay;
Seed_Gross = SeedTotal / 32;
Seed_Fine = SeedTotal & 0x1f;
pDCTData->WLGrossDelay[MAX_BYTE_LANES*dimm+ByteLane] = Seed_Gross;
pDCTData->WLFineDelay[MAX_BYTE_LANES*dimm+ByteLane] = Seed_Fine;
printk(BIOS_SPEW, "\tLane %02x new seed: %04x\n", ByteLane, ((Seed_Gross & 0x1f) << 5) | (Seed_Fine & 0x1f));
}
}
}
@ -1379,6 +1400,8 @@ void getWLByteDelay(struct DCTStatStruc *pDCTstat, uint8_t dct, u8 ByteLane, u8
gross = get_ADD_DCT_Bits(pDCTData, dct, pDCTData->NodeId,
FUN_DCT, (u16)addr, grossStartLoc, grossEndLoc);
printk(BIOS_SPEW, "\tLane %02x raw readback: %04x\n", ByteLane, ((gross & 0x1f) << 5) | (fine & 0x1f));
if (!is_fam15h()) {
/* Adjust seed gross delay overflow (greater than 3):
* - Adjust the trained gross delay to the original seed gross delay.
@ -1402,4 +1425,5 @@ void getWLByteDelay(struct DCTStatStruc *pDCTstat, uint8_t dct, u8 ByteLane, u8
}
pDCTData->WLFineDelay[index+ByteLane] = (u8)fine;
pDCTData->WLGrossDelay[index+ByteLane] = (u8)gross;
printk(BIOS_SPEW, "\tLane %02x final adjusted value: %04x\n", ByteLane, ((gross & 0x1f) << 5) | (fine & 0x1f));
}