diff options
| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-09-05 18:56:05 -0500 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2015-11-02 23:26:41 +0100 |
| commit | 2a83935d9f50e3059e7747338a700c2fceb1731a (patch) | |
| tree | b40831293a339c6743ec86e7820111c38c536113 /src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | |
| parent | 65eec4d959a847c43b5f4e92c6eee60f042fd7f6 (diff) | |
northbridge/amd/amdfam10: Set DIMM voltage based on SPD data
Change-Id: I67a76cf0e4ebc33fbd7dd151bb68dce1fc6ba680
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/11957
Tested-by: build bot (Jenkins)
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/northbridge/amd/amdmct/mct_ddr3/mct_d.c')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c index aaabf9d7f1..ca68900758 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c +++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c @@ -336,6 +336,11 @@ restartinit: goto fatalexit; } +#if IS_ENABLED(DIMM_VOLTAGE_SET_SUPPORT) + printk(BIOS_DEBUG, "mctAutoInitMCT_D: DIMMSetVoltage\n"); + DIMMSetVoltages(pMCTstat, pDCTstatA); /* Set the DIMM voltages (mainboard specific) */ +#endif + printk(BIOS_DEBUG, "mctAutoInitMCT_D: SyncDCTsReady_D\n"); SyncDCTsReady_D(pMCTstat, pDCTstatA); /* Make sure DCTs are ready for accesses.*/ @@ -2128,6 +2133,9 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat, pDCTstat->DimmBanks[i] = 1ULL << (((mctRead_SPD(smbaddr, SPD_Density) & 0x70) >> 4) + 3); pDCTstat->DimmWidth[i] = 1ULL << ((mctRead_SPD(smbaddr, SPD_BusWidth) & 0x7) + 3); } + /* Check supported voltage(s) */ + pDCTstat->DimmSupportedVoltages[i] = mctRead_SPD(smbaddr, SPD_Voltage) & 0x7; + pDCTstat->DimmSupportedVoltages[i] ^= 0x1; /* Invert LSB to convert from SPD format to internal bitmap format */ /* Check module type */ byte = mctRead_SPD(smbaddr, SPD_DIMMTYPE) & 0x7; if (byte == JED_RDIMM || byte == JED_MiniRDIMM) { |