diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit_common.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit_common.c b/src/northbridge/intel/sandybridge/raminit_common.c index 7e937862db..6ba91c96e3 100644 --- a/src/northbridge/intel/sandybridge/raminit_common.c +++ b/src/northbridge/intel/sandybridge/raminit_common.c @@ -2778,6 +2778,9 @@ void prepare_training(ramctr_timing *ctrl) void set_read_write_timings(ramctr_timing *ctrl) { + /* Use a larger delay when running fast to improve stability */ + const u32 tRWDRDD_inc = ctrl->tCK <= TCK_1066MHZ ? 4 : 2; + int channel, slotrank; FOR_ALL_POPULATED_CHANNELS { @@ -2800,7 +2803,7 @@ void set_read_write_timings(ramctr_timing *ctrl) .tRRDD = val, .tWWDR = val, .tWWDD = val, - .tRWDRDD = ctrl->ref_card_offset[channel] + 2, + .tRWDRDD = ctrl->ref_card_offset[channel] + tRWDRDD_inc, .tWRDRDD = tWRDRDD, .tRWSR = 2, .dec_wrd = 1, |