diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/sandybridge/pei_data.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/northbridge/intel/sandybridge/pei_data.h b/src/northbridge/intel/sandybridge/pei_data.h index d317515cf0..5e0ff0f56b 100644 --- a/src/northbridge/intel/sandybridge/pei_data.h +++ b/src/northbridge/intel/sandybridge/pei_data.h @@ -121,6 +121,14 @@ struct pei_data * 2 2N */ int nmode; + /* DDR refresh rate config. JEDEC Standard No.21-C Annex K allows + * for DIMM SPD data to specify whether double-rate is required for + * extended operating temperature range. + * 0 Enable double rate based upon temperature thresholds + * 1 Normal rate + * 2 Always enable double rate + */ + int ddr_refresh_rate_config; } __attribute__((packed)); #endif |