diff options
Diffstat (limited to 'src/northbridge/intel/sandybridge/raminit.c')
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit.c b/src/northbridge/intel/sandybridge/raminit.c index 01ad3ed9d2..fa71bc10d3 100644 --- a/src/northbridge/intel/sandybridge/raminit.c +++ b/src/northbridge/intel/sandybridge/raminit.c @@ -2262,7 +2262,17 @@ static void discover_timB(ramctr_timing * ctrl, int channel, int slotrank) } FOR_ALL_LANES { struct run rn = get_longest_zero_run(statistics[lane], 128); - ctrl->timings[channel][slotrank].lanes[lane].timB = rn.start; + if (rn.start < rn.middle) { + ctrl->timings[channel][slotrank].lanes[lane].timB = rn.start; + } else { + /* In this case statistics[lane][7f] and statistics[lane][0] are + * both zero. + * Prefer a smaller value over rn.start to prevent failures in + * the following write tests. + */ + ctrl->timings[channel][slotrank].lanes[lane].timB = 0; + } + if (rn.all) die("timB discovery failed"); printram("Bval: %d, %d, %d, %x\n", channel, slotrank, |