diff options
Diffstat (limited to 'src/northbridge/intel/sandybridge/raminit.c')
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit.c b/src/northbridge/intel/sandybridge/raminit.c index a938a49172..e138756d9b 100644 --- a/src/northbridge/intel/sandybridge/raminit.c +++ b/src/northbridge/intel/sandybridge/raminit.c @@ -102,6 +102,7 @@ static void dram_find_spds_ddr3(spd_raw_data *spd, ramctr_timing *ctrl) { int dimms = 0, ch_dimms; int channel, slot, spd_slot; + bool can_use_ecc = ctrl->ecc_supported; dimm_info *dimm = &ctrl->info; memset (ctrl->rankmap, 0, sizeof(ctrl->rankmap)); @@ -173,6 +174,9 @@ static void dram_find_spds_ddr3(spd_raw_data *spd, ramctr_timing *ctrl) ctrl->channel_size_mb[channel] += dimm->dimm[channel][slot].size_mb; + if (!dimm->dimm[channel][slot].flags.is_ecc) + can_use_ecc = false; + ctrl->auto_self_refresh &= dimm->dimm[channel][slot].flags.asr; ctrl->extended_temperature_range &= @@ -204,6 +208,14 @@ static void dram_find_spds_ddr3(spd_raw_data *spd, ramctr_timing *ctrl) } } + if (ctrl->ecc_forced || CONFIG(RAMINIT_ENABLE_ECC)) + ctrl->ecc_enabled = can_use_ecc; + if (ctrl->ecc_forced && !ctrl->ecc_enabled) + die("ECC mode forced but non-ECC DIMM installed!"); + printk(BIOS_DEBUG, "ECC is %s\n", ctrl->ecc_enabled ? "enabled" : "disabled"); + + ctrl->lanes = ctrl->ecc_enabled ? 9 : 8; + if (!dimms) die("No DIMMs were found"); } |