diff options
Diffstat (limited to 'src/northbridge/amd/amdmct/mct_ddr3/mct_d.c')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c index 770b663fe9..0f4dd43642 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c +++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c @@ -1,6 +1,7 @@ /* * This file is part of the coreboot project. * + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering * Copyright (C) 2010 Advanced Micro Devices, Inc. * * This program is free software; you can redistribute it and/or modify @@ -2030,7 +2031,7 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat, * DATAAload=number of ranks on the "A" bus slots. * DATABload=number of ranks on the "B" bus slots. */ - u16 i, j; + u16 i, j, k; u8 smbaddr; u8 SPDCtrl; u16 RegDIMMPresent, MaxDimms; @@ -2077,10 +2078,34 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat, pDCTstat->DIMMValid |= 1 << i; } } + /* Get module information for SMBIOS */ + if (pDCTstat->DIMMValid & (1 << i)) { + pDCTstat->DimmManufacturerID[i] = 0; + for (k = 0; k < 8; k++) + pDCTstat->DimmManufacturerID[i] |= ((uint64_t)mctRead_SPD(smbaddr, SPD_MANID_START + k)) << (k * 8); + for (k = 0; k < SPD_PARTN_LENGTH; k++) + pDCTstat->DimmPartNumber[i][k] = mctRead_SPD(smbaddr, SPD_PARTN_START + k); + pDCTstat->DimmRevisionNumber[i] = 0; + for (k = 0; k < 2; k++) + pDCTstat->DimmRevisionNumber[i] |= ((uint16_t)mctRead_SPD(smbaddr, SPD_REVNO_START + k)) << (k * 8); + pDCTstat->DimmSerialNumber[i] = 0; + for (k = 0; k < 4; k++) + pDCTstat->DimmSerialNumber[i] |= ((uint32_t)mctRead_SPD(smbaddr, SPD_SERIAL_START + k)) << (k * 8); + pDCTstat->DimmRows[i] = (mctRead_SPD(smbaddr, SPD_Addressing) & 0x38) >> 3; + pDCTstat->DimmCols[i] = mctRead_SPD(smbaddr, SPD_Addressing) & 0x7; + pDCTstat->DimmRanks[i] = ((mctRead_SPD(smbaddr, SPD_Organization) & 0x38) >> 3) + 1; + pDCTstat->DimmBanks[i] = 1ULL << (((mctRead_SPD(smbaddr, SPD_Density) & 0x70) >> 4) + 3); + pDCTstat->DimmWidth[i] = 1ULL << ((mctRead_SPD(smbaddr, SPD_BusWidth) & 0x7) + 3); + } /* Check module type */ byte = mctRead_SPD(smbaddr, SPD_DIMMTYPE) & 0x7; - if (byte == JED_RDIMM || byte == JED_MiniRDIMM) + if (byte == JED_RDIMM || byte == JED_MiniRDIMM) { RegDIMMPresent |= 1 << i; + pDCTstat->DimmRegistered[i] = 1; + } + else { + pDCTstat->DimmRegistered[i] = 0; + } /* Check ECC capable */ byte = mctRead_SPD(smbaddr, SPD_BusWidth); if (byte & JED_ECC) { |