northbridge/amd/amdmct: Read SPD data into cache to decrease bootup time
Change-Id: Ic16a927a3f1fc6f7cb1aea36a8abe8cc1999cb52 Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-on: http://review.coreboot.org/11973 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
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4c502697ee
commit
453b543716
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@ -176,7 +176,7 @@ static void mct_WriteLevelization_HW(struct MCTStatStruc *pMCTstat,
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static u8 Get_Latency_Diff(struct MCTStatStruc *pMCTstat,
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struct DCTStatStruc *pDCTstat, u8 dct);
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static void SyncSetting(struct DCTStatStruc *pDCTstat);
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static u8 crcCheck(u8 smbaddr);
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static uint8_t crcCheck(struct DCTStatStruc *pDCTstat, uint8_t dimm);
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static void mct_ExtMCTConfig_Bx(struct DCTStatStruc *pDCTstat);
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static void mct_ExtMCTConfig_Cx(struct DCTStatStruc *pDCTstat);
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@ -1176,6 +1176,20 @@ static void precise_memclk_delay_fam15(struct MCTStatStruc *pMCTstat, struct DCT
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precise_ndelay_fam15(pMCTstat, delay_ns);
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}
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static void read_spd_bytes(struct MCTStatStruc *pMCTstat,
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struct DCTStatStruc *pDCTstat, uint8_t dimm)
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{
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uint8_t addr;
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uint16_t byte;
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addr = Get_DIMMAddress_D(pDCTstat, dimm);
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pDCTstat->spd_data.spd_address[dimm] = addr;
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for (byte = 0; byte < 256; byte++) {
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pDCTstat->spd_data.spd_bytes[dimm][byte] = mctRead_SPD(addr, byte);
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}
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}
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static void mctAutoInitMCT_D(struct MCTStatStruc *pMCTstat,
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struct DCTStatStruc *pDCTstatA)
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{
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@ -2441,7 +2455,6 @@ static void SPD2ndTiming(struct MCTStatStruc *pMCTstat,
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u32 dword;
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u32 dev;
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u32 val;
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u16 smbaddr;
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printk(BIOS_DEBUG, "%s: Start\n", __func__);
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@ -2461,64 +2474,62 @@ static void SPD2ndTiming(struct MCTStatStruc *pMCTstat,
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for ( i = 0; i< MAX_DIMMS_SUPPORTED; i++) {
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LDIMM = i >> 1;
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if (pDCTstat->DIMMValid & (1 << i)) {
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smbaddr = Get_DIMMAddress_D(pDCTstat, (dct + i));
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val = mctRead_SPD(smbaddr, SPD_MTBDivisor); /* MTB=Dividend/Divisor */
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MTB16x = ((mctRead_SPD(smbaddr, SPD_MTBDividend) & 0xFF)<<4);
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val = pDCTstat->spd_data.spd_bytes[dct + i][SPD_MTBDivisor]; /* MTB=Dividend/Divisor */
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MTB16x = ((pDCTstat->spd_data.spd_bytes[dct + i][SPD_MTBDividend] & 0xff) << 4);
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MTB16x /= val; /* transfer to MTB*16 */
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byte = mctRead_SPD(smbaddr, SPD_tRPmin);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_tRPmin];
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val = byte * MTB16x;
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if (Trp < val)
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Trp = val;
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byte = mctRead_SPD(smbaddr, SPD_tRRDmin);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_tRRDmin];
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val = byte * MTB16x;
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if (Trrd < val)
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Trrd = val;
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byte = mctRead_SPD(smbaddr, SPD_tRCDmin);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_tRCDmin];
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val = byte * MTB16x;
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if (Trcd < val)
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Trcd = val;
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byte = mctRead_SPD(smbaddr, SPD_tRTPmin);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_tRTPmin];
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val = byte * MTB16x;
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if (Trtp < val)
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Trtp = val;
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byte = mctRead_SPD(smbaddr, SPD_tWRmin);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_tWRmin];
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val = byte * MTB16x;
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if (Twr < val)
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Twr = val;
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byte = mctRead_SPD(smbaddr, SPD_tWTRmin);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_tWTRmin];
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val = byte * MTB16x;
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if (Twtr < val)
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Twtr = val;
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val = mctRead_SPD(smbaddr, SPD_Upper_tRAS_tRC) & 0xFF;
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val = pDCTstat->spd_data.spd_bytes[dct + i][SPD_Upper_tRAS_tRC] & 0xFF;
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val >>= 4;
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val <<= 8;
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val |= mctRead_SPD(smbaddr, SPD_tRCmin) & 0xFF;
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val |= pDCTstat->spd_data.spd_bytes[dct + i][SPD_tRCmin] & 0xFF;
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val *= MTB16x;
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if (Trc < val)
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Trc = val;
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byte = mctRead_SPD(smbaddr, SPD_Density) & 0xF;
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_Density] & 0xF;
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if (Trfc[LDIMM] < byte)
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Trfc[LDIMM] = byte;
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val = mctRead_SPD(smbaddr, SPD_Upper_tRAS_tRC) & 0xF;
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val = pDCTstat->spd_data.spd_bytes[dct + i][SPD_Upper_tRAS_tRC] & 0xF;
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val <<= 8;
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val |= (mctRead_SPD(smbaddr, SPD_tRASmin) & 0xFF);
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val |= (pDCTstat->spd_data.spd_bytes[dct + i][SPD_tRASmin] & 0xFF);
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val *= MTB16x;
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if (Tras < val)
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Tras = val;
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val = mctRead_SPD(smbaddr, SPD_Upper_tFAW) & 0xF;
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val = pDCTstat->spd_data.spd_bytes[dct + i][SPD_Upper_tFAW] & 0xF;
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val <<= 8;
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val |= mctRead_SPD(smbaddr, SPD_tFAWmin) & 0xFF;
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val |= pDCTstat->spd_data.spd_bytes[dct + i][SPD_tFAWmin] & 0xFF;
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val *= MTB16x;
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if (Tfaw < val)
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Tfaw = val;
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@ -2934,7 +2945,7 @@ static void SPDGetTCL_D(struct MCTStatStruc *pMCTstat,
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u8 CLactual, CLdesired, CLT_Fail;
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uint16_t min_frequency_tck16x;
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u8 smbaddr, byte = 0, bytex = 0;
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u8 byte = 0, bytex = 0;
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CASLatLow = 0xFF;
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CASLatHigh = 0xFF;
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@ -2955,28 +2966,27 @@ static void SPDGetTCL_D(struct MCTStatStruc *pMCTstat,
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for (i = 0; i < MAX_DIMMS_SUPPORTED; i++) {
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if (pDCTstat->DIMMValid & (1 << i)) {
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smbaddr = Get_DIMMAddress_D(pDCTstat, (dct + i));
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/* Step 1: Determine the common set of supported CAS Latency
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* values for all modules on the memory channel using the CAS
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* Latencies Supported in SPD bytes 14 and 15.
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*/
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byte = mctRead_SPD(smbaddr, SPD_CASLow);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_CASLow];
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CASLatLow &= byte;
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byte = mctRead_SPD(smbaddr, SPD_CASHigh);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_CASHigh];
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CASLatHigh &= byte;
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/* Step 2: Determine tAAmin(all) which is the largest tAAmin
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value for all modules on the memory channel (SPD byte 16). */
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byte = mctRead_SPD(smbaddr, SPD_MTBDivisor);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_MTBDivisor];
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MTB16x = ((mctRead_SPD(smbaddr, SPD_MTBDividend) & 0xFF)<<4);
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MTB16x = ((pDCTstat->spd_data.spd_bytes[dct + i][SPD_MTBDividend] & 0xFF)<<4);
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MTB16x /= byte; /* transfer to MTB*16 */
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byte = mctRead_SPD(smbaddr, SPD_tAAmin);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_tAAmin];
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if (tAAmin16x < byte * MTB16x)
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tAAmin16x = byte * MTB16x;
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/* Step 3: Determine tCKmin(all) which is the largest tCKmin
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value for all modules on the memory channel (SPD byte 12). */
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byte = mctRead_SPD(smbaddr, SPD_tCKmin);
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byte = pDCTstat->spd_data.spd_bytes[dct + i][SPD_tCKmin];
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if (tCKmin16x < byte * MTB16x)
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tCKmin16x = byte * MTB16x;
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@ -3347,7 +3357,6 @@ static void SPDSetBanks_D(struct MCTStatStruc *pMCTstat,
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u8 byte;
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u16 word;
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u32 dword;
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u16 smbaddr;
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dev = pDCTstat->dev_dct;
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@ -3358,16 +3367,14 @@ static void SPDSetBanks_D(struct MCTStatStruc *pMCTstat,
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byte -= 3;
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if (pDCTstat->DIMMValid & (1<<byte)) {
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smbaddr = Get_DIMMAddress_D(pDCTstat, (ChipSel + dct));
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byte = mctRead_SPD(smbaddr, SPD_Addressing);
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byte = pDCTstat->spd_data.spd_bytes[ChipSel + dct][SPD_Addressing];
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Rows = (byte >> 3) & 0x7; /* Rows:0b=12-bit,... */
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Cols = byte & 0x7; /* Cols:0b=9-bit,... */
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byte = mctRead_SPD(smbaddr, SPD_Density);
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byte = pDCTstat->spd_data.spd_bytes[ChipSel + dct][SPD_Density];
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Banks = (byte >> 4) & 7; /* Banks:0b=3-bit,... */
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byte = mctRead_SPD(smbaddr, SPD_Organization);
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byte = pDCTstat->spd_data.spd_bytes[ChipSel + dct][SPD_Organization];
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Ranks = ((byte >> 3) & 7) + 1;
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/* Configure Bank encoding
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@ -3462,46 +3469,42 @@ static void SPDCalcWidth_D(struct MCTStatStruc *pMCTstat,
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* and determine the width mode: 64-bit, 64-bit muxed, 128-bit.
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*/
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u8 i;
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u8 smbaddr, smbaddr1;
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u8 byte, byte1;
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/* Check Symmetry of Channel A and Channel B DIMMs
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(must be matched for 128-bit mode).*/
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for (i=0; i < MAX_DIMMS_SUPPORTED; i += 2) {
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if ((pDCTstat->DIMMValid & (1 << i)) && (pDCTstat->DIMMValid & (1<<(i+1)))) {
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smbaddr = Get_DIMMAddress_D(pDCTstat, i);
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smbaddr1 = Get_DIMMAddress_D(pDCTstat, i+1);
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byte = mctRead_SPD(smbaddr, SPD_Addressing) & 0x7;
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byte1 = mctRead_SPD(smbaddr1, SPD_Addressing) & 0x7;
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byte = pDCTstat->spd_data.spd_bytes[i][SPD_Addressing] & 0x7;
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byte1 = pDCTstat->spd_data.spd_bytes[i + 1][SPD_Addressing] & 0x7;
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if (byte != byte1) {
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pDCTstat->ErrStatus |= (1<<SB_DimmMismatchO);
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break;
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}
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byte = mctRead_SPD(smbaddr, SPD_Density) & 0x0f;
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byte1 = mctRead_SPD(smbaddr1, SPD_Density) & 0x0f;
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byte = pDCTstat->spd_data.spd_bytes[i][SPD_Density] & 0x0f;
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byte1 = pDCTstat->spd_data.spd_bytes[i + 1][SPD_Density] & 0x0f;
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if (byte != byte1) {
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pDCTstat->ErrStatus |= (1<<SB_DimmMismatchO);
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break;
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}
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byte = mctRead_SPD(smbaddr, SPD_Organization) & 0x7;
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byte1 = mctRead_SPD(smbaddr1, SPD_Organization) & 0x7;
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byte = pDCTstat->spd_data.spd_bytes[i][SPD_Organization] & 0x7;
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byte1 = pDCTstat->spd_data.spd_bytes[i + 1][SPD_Organization] & 0x7;
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if (byte != byte1) {
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pDCTstat->ErrStatus |= (1<<SB_DimmMismatchO);
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break;
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}
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byte = (mctRead_SPD(smbaddr, SPD_Organization) >> 3) & 0x7;
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byte1 = (mctRead_SPD(smbaddr1, SPD_Organization) >> 3) & 0x7;
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byte = (pDCTstat->spd_data.spd_bytes[i][SPD_Organization] >> 3) & 0x7;
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byte1 = (pDCTstat->spd_data.spd_bytes[i + 1][SPD_Organization] >> 3) & 0x7;
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if (byte != byte1) {
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pDCTstat->ErrStatus |= (1<<SB_DimmMismatchO);
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break;
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}
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byte = mctRead_SPD(smbaddr, SPD_DMBANKS) & 7; /* #ranks-1 */
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byte1 = mctRead_SPD(smbaddr1, SPD_DMBANKS) & 7; /* #ranks-1 */
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byte = pDCTstat->spd_data.spd_bytes[i][SPD_DMBANKS] & 7; /* #ranks-1 */
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byte1 = pDCTstat->spd_data.spd_bytes[i + 1][SPD_DMBANKS] & 7; /* #ranks-1 */
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if (byte != byte1) {
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pDCTstat->ErrStatus |= (1<<SB_DimmMismatchO);
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break;
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@ -3682,8 +3685,9 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat,
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status = mctRead_SPD(smbaddr, SPD_ByteUse);
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if (status >= 0) { /* SPD access is ok */
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pDCTstat->DIMMPresent |= 1 << i;
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if (crcCheck(smbaddr)) { /* CRC is OK */
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byte = mctRead_SPD(smbaddr, SPD_TYPE);
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read_spd_bytes(pMCTstat, pDCTstat, i);
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if (crcCheck(pDCTstat, i)) { /* CRC is OK */
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byte = pDCTstat->spd_data.spd_bytes[i][SPD_TYPE];
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if (byte == JED_DDR3SDRAM) {
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/*Dimm is 'Present'*/
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pDCTstat->DIMMValid |= 1 << i;
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@ -3696,36 +3700,41 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat,
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} else {
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/*if NV_SPDCHK_RESTRT is set to 1, ignore faulty SPD checksum*/
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pDCTstat->ErrStatus |= 1<<SB_DIMMChkSum;
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byte = mctRead_SPD(smbaddr, SPD_TYPE);
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byte = pDCTstat->spd_data.spd_bytes[i][SPD_TYPE];
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if (byte == JED_DDR3SDRAM)
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pDCTstat->DIMMValid |= 1 << i;
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}
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}
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/* Zero DIMM SPD data cache if DIMM not present / valid */
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if (!(pDCTstat->DIMMValid & (1 << i)))
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memset(pDCTstat->spd_data.spd_bytes[i], 0, sizeof(pDCTstat->spd_data.spd_bytes[i]));
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/* Get module information for SMBIOS */
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if (pDCTstat->DIMMValid & (1 << i)) {
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pDCTstat->DimmManufacturerID[i] = 0;
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for (k = 0; k < 8; k++)
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pDCTstat->DimmManufacturerID[i] |= ((uint64_t)mctRead_SPD(smbaddr, SPD_MANID_START + k)) << (k * 8);
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pDCTstat->DimmManufacturerID[i] |= ((uint64_t)pDCTstat->spd_data.spd_bytes[i][SPD_MANID_START + k]) << (k * 8);
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for (k = 0; k < SPD_PARTN_LENGTH; k++)
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pDCTstat->DimmPartNumber[i][k] = mctRead_SPD(smbaddr, SPD_PARTN_START + k);
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pDCTstat->DimmPartNumber[i][k] = pDCTstat->spd_data.spd_bytes[i][SPD_PARTN_START + k];
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pDCTstat->DimmPartNumber[i][SPD_PARTN_LENGTH] = 0;
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pDCTstat->DimmRevisionNumber[i] = 0;
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for (k = 0; k < 2; k++)
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pDCTstat->DimmRevisionNumber[i] |= ((uint16_t)mctRead_SPD(smbaddr, SPD_REVNO_START + k)) << (k * 8);
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pDCTstat->DimmRevisionNumber[i] |= ((uint16_t)pDCTstat->spd_data.spd_bytes[i][SPD_REVNO_START + k]) << (k * 8);
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pDCTstat->DimmSerialNumber[i] = 0;
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for (k = 0; k < 4; k++)
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pDCTstat->DimmSerialNumber[i] |= ((uint32_t)mctRead_SPD(smbaddr, SPD_SERIAL_START + k)) << (k * 8);
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pDCTstat->DimmRows[i] = (mctRead_SPD(smbaddr, SPD_Addressing) & 0x38) >> 3;
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pDCTstat->DimmCols[i] = mctRead_SPD(smbaddr, SPD_Addressing) & 0x7;
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pDCTstat->DimmRanks[i] = ((mctRead_SPD(smbaddr, SPD_Organization) & 0x38) >> 3) + 1;
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pDCTstat->DimmBanks[i] = 1ULL << (((mctRead_SPD(smbaddr, SPD_Density) & 0x70) >> 4) + 3);
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pDCTstat->DimmWidth[i] = 1ULL << ((mctRead_SPD(smbaddr, SPD_BusWidth) & 0x7) + 3);
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pDCTstat->DimmSerialNumber[i] |= ((uint32_t)pDCTstat->spd_data.spd_bytes[i][SPD_SERIAL_START + k]) << (k * 8);
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pDCTstat->DimmRows[i] = (pDCTstat->spd_data.spd_bytes[i][SPD_Addressing] & 0x38) >> 3;
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pDCTstat->DimmCols[i] = pDCTstat->spd_data.spd_bytes[i][SPD_Addressing] & 0x7;
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pDCTstat->DimmRanks[i] = ((pDCTstat->spd_data.spd_bytes[i][SPD_Organization] & 0x38) >> 3) + 1;
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pDCTstat->DimmBanks[i] = 1ULL << (((pDCTstat->spd_data.spd_bytes[i][SPD_Density] & 0x70) >> 4) + 3);
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pDCTstat->DimmWidth[i] = 1ULL << ((pDCTstat->spd_data.spd_bytes[i][SPD_BusWidth] & 0x7) + 3);
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}
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/* Check supported voltage(s) */
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pDCTstat->DimmSupportedVoltages[i] = mctRead_SPD(smbaddr, SPD_Voltage) & 0x7;
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pDCTstat->DimmSupportedVoltages[i] = pDCTstat->spd_data.spd_bytes[i][SPD_Voltage] & 0x7;
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pDCTstat->DimmSupportedVoltages[i] ^= 0x1; /* Invert LSB to convert from SPD format to internal bitmap format */
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/* Check module type */
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byte = mctRead_SPD(smbaddr, SPD_DIMMTYPE) & 0x7;
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byte = pDCTstat->spd_data.spd_bytes[i][SPD_DIMMTYPE] & 0x7;
|
||||
if (byte == JED_RDIMM || byte == JED_MiniRDIMM) {
|
||||
RegDIMMPresent |= 1 << i;
|
||||
pDCTstat->DimmRegistered[i] = 1;
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||||
|
@ -3739,13 +3748,13 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat,
|
|||
pDCTstat->DimmLoadReduced[i] = 0;
|
||||
}
|
||||
/* Check ECC capable */
|
||||
byte = mctRead_SPD(smbaddr, SPD_BusWidth);
|
||||
byte = pDCTstat->spd_data.spd_bytes[i][SPD_BusWidth];
|
||||
if (byte & JED_ECC) {
|
||||
/* DIMM is ECC capable */
|
||||
pDCTstat->DimmECCPresent |= 1 << i;
|
||||
}
|
||||
/* Check if x4 device */
|
||||
devwidth = mctRead_SPD(smbaddr, SPD_Organization) & 0x7; /* 0:x4,1:x8,2:x16 */
|
||||
devwidth = pDCTstat->spd_data.spd_bytes[i][SPD_Organization] & 0x7; /* 0:x4,1:x8,2:x16 */
|
||||
if (devwidth == 0) {
|
||||
/* DIMM is made with x4 or x16 drams */
|
||||
pDCTstat->Dimmx4Present |= 1 << i;
|
||||
|
@ -3755,7 +3764,7 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat,
|
|||
pDCTstat->Dimmx16Present |= 1 << i;
|
||||
}
|
||||
|
||||
byte = (mctRead_SPD(smbaddr, SPD_Organization) >> 3);
|
||||
byte = (pDCTstat->spd_data.spd_bytes[i][SPD_Organization] >> 3);
|
||||
byte &= 7;
|
||||
if (byte == 3) { /* 4ranks */
|
||||
/* if any DIMMs are QR, we have to make two passes through DIMMs*/
|
||||
|
@ -3790,7 +3799,7 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat,
|
|||
|
||||
/* check address mirror support for unbuffered dimm */
|
||||
/* check number of registers on a dimm for registered dimm */
|
||||
byte = mctRead_SPD(smbaddr, SPD_AddressMirror);
|
||||
byte = pDCTstat->spd_data.spd_bytes[i][SPD_AddressMirror];
|
||||
if (RegDIMMPresent & (1 << i)) {
|
||||
if ((byte & 3) > 1)
|
||||
pDCTstat->MirrPresU_NumRegR |= 1 << i;
|
||||
|
@ -3799,20 +3808,20 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat,
|
|||
pDCTstat->MirrPresU_NumRegR |= 1 << i;
|
||||
}
|
||||
/* Get byte62: Reference Raw Card information. We dont need it now. */
|
||||
/* byte = mctRead_SPD(smbaddr, SPD_RefRawCard); */
|
||||
/* byte = pDCTstat->spd_data.spd_bytes[i][SPD_RefRawCard]; */
|
||||
/* Get Byte65/66 for register manufacture ID code */
|
||||
if ((0x97 == mctRead_SPD(smbaddr, SPD_RegManufactureID_H)) &&
|
||||
(0x80 == mctRead_SPD(smbaddr, SPD_RegManufactureID_L))) {
|
||||
if (0x16 == mctRead_SPD(smbaddr, SPD_RegManRevID))
|
||||
if ((0x97 == pDCTstat->spd_data.spd_bytes[i][SPD_RegManufactureID_H]) &&
|
||||
(0x80 == pDCTstat->spd_data.spd_bytes[i][SPD_RegManufactureID_L])) {
|
||||
if (0x16 == pDCTstat->spd_data.spd_bytes[i][SPD_RegManRevID])
|
||||
pDCTstat->RegMan2Present |= 1 << i;
|
||||
else
|
||||
pDCTstat->RegMan1Present |= 1 << i;
|
||||
}
|
||||
/* Get Control word values for RC3. We dont need it. */
|
||||
byte = mctRead_SPD(smbaddr, 70);
|
||||
byte = pDCTstat->spd_data.spd_bytes[i][70];
|
||||
pDCTstat->CtrlWrd3 |= (byte >> 4) << (i << 2); /* C3 = SPD byte 70 [7:4] */
|
||||
/* Get Control word values for RC4, and RC5 */
|
||||
byte = mctRead_SPD(smbaddr, 71);
|
||||
byte = pDCTstat->spd_data.spd_bytes[i][71];
|
||||
pDCTstat->CtrlWrd4 |= (byte & 0xFF) << (i << 2); /* RC4 = SPD byte 71 [3:0] */
|
||||
pDCTstat->CtrlWrd5 |= (byte >> 4) << (i << 2); /* RC5 = SPD byte 71 [7:4] */
|
||||
}
|
||||
|
@ -6190,14 +6199,14 @@ static void AfterDramInit_D(struct DCTStatStruc *pDCTstat, u8 dct) {
|
|||
* 1010 001111 16 3 10 4GB
|
||||
* 1011 010111 16 3 11 8GB
|
||||
*/
|
||||
u8 crcCheck(u8 smbaddr)
|
||||
uint8_t crcCheck(struct DCTStatStruc *pDCTstat, uint8_t dimm)
|
||||
{
|
||||
u8 byte_use;
|
||||
u8 Index;
|
||||
u16 CRC;
|
||||
u8 byte, i;
|
||||
|
||||
byte_use = mctRead_SPD(smbaddr, SPD_ByteUse);
|
||||
byte_use = pDCTstat->spd_data.spd_bytes[dimm][SPD_ByteUse];
|
||||
if (byte_use & 0x80)
|
||||
byte_use = 117;
|
||||
else
|
||||
|
@ -6205,7 +6214,7 @@ u8 crcCheck(u8 smbaddr)
|
|||
|
||||
CRC = 0;
|
||||
for (Index = 0; Index < byte_use; Index ++) {
|
||||
byte = mctRead_SPD(smbaddr, Index);
|
||||
byte = pDCTstat->spd_data.spd_bytes[dimm][Index];
|
||||
CRC ^= byte << 8;
|
||||
for (i=0; i<8; i++) {
|
||||
if (CRC & 0x8000) {
|
||||
|
@ -6215,5 +6224,5 @@ u8 crcCheck(u8 smbaddr)
|
|||
CRC <<= 1;
|
||||
}
|
||||
}
|
||||
return CRC == (mctRead_SPD(smbaddr, SPD_byte_127) << 8 | mctRead_SPD(smbaddr, SPD_byte_126));
|
||||
return CRC == (pDCTstat->spd_data.spd_bytes[dimm][SPD_byte_127] << 8 | pDCTstat->spd_data.spd_bytes[dimm][SPD_byte_126]);
|
||||
}
|
||||
|
|
|
@ -318,6 +318,11 @@ struct MCTStatStruc {
|
|||
===============================================================================*/
|
||||
#include "mwlc_d.h" /* I have to */
|
||||
|
||||
struct amd_spd_node_data {
|
||||
uint8_t spd_bytes[MAX_DIMMS_SUPPORTED][256]; /* [DIMM][byte] */
|
||||
uint8_t spd_address[MAX_DIMMS_SUPPORTED]; /* [DIMM] */
|
||||
} __attribute__((packed));
|
||||
|
||||
struct DCTStatStruc { /* A per Node structure*/
|
||||
/* DCTStatStruct_F - start */
|
||||
u8 Node_ID; /* Node ID of current controller */
|
||||
|
@ -611,6 +616,8 @@ struct DCTStatStruc { /* A per Node structure*/
|
|||
char DimmPartNumber[MAX_DIMMS_SUPPORTED][SPD_PARTN_LENGTH+1];
|
||||
uint16_t DimmRevisionNumber[MAX_DIMMS_SUPPORTED];
|
||||
uint32_t DimmSerialNumber[MAX_DIMMS_SUPPORTED];
|
||||
|
||||
struct amd_spd_node_data spd_data;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct amd_s3_persistent_mct_channel_data {
|
||||
|
|
Loading…
Reference in New Issue