diff options
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit.c b/src/northbridge/intel/sandybridge/raminit.c index b81860264d..65282d2848 100644 --- a/src/northbridge/intel/sandybridge/raminit.c +++ b/src/northbridge/intel/sandybridge/raminit.c @@ -3435,9 +3435,12 @@ static void discover_timC_write(ramctr_timing * ctrl) u32 raw_statistics[MAX_TIMC + 1]; int statistics[MAX_TIMC + 1]; + /* Make sure rn.start < rn.end */ + statistics[MAX_TIMC] = 1; + fill_pattern5(ctrl, channel, pat); write32(DEFAULT_MCHBAR + 0x4288 + 0x400 * channel, 0x1f); - for (timC = 0; timC < MAX_TIMC + 1; timC++) { + for (timC = 0; timC < MAX_TIMC; timC++) { FOR_ALL_LANES ctrl->timings[channel][slotrank].lanes[lane].timC = timC; program_timings(ctrl, channel); @@ -3449,10 +3452,11 @@ static void discover_timC_write(ramctr_timing * ctrl) } FOR_ALL_LANES { struct run rn; - for (timC = 0; timC <= MAX_TIMC; timC++) + for (timC = 0; timC < MAX_TIMC; timC++) statistics[timC] = !!(raw_statistics[timC] & (1 << lane)); + rn = get_longest_zero_run(statistics, MAX_TIMC + 1); if (rn.all) |