Patrick Rudolph (siro@das-labor.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/17608
-gerrit
commit 9dd1f4fd2d3628acd8ba63d4e89baff2b0748561 Author: Patrick Rudolph siro@das-labor.org Date: Fri Nov 25 15:40:07 2016 +0100
nb/intel/sandybridge/raminit: Add debugging output
Add debugging output to normalize_training.
Tested on Lenovo T420.
Change-Id: I1d787f7ead6cf35ee142a8848837840c91cb6967 Signed-off-by: Patrick Rudolph siro@das-labor.org --- src/northbridge/intel/sandybridge/raminit_common.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/src/northbridge/intel/sandybridge/raminit_common.c b/src/northbridge/intel/sandybridge/raminit_common.c index 70bb7af..a07c250 100644 --- a/src/northbridge/intel/sandybridge/raminit_common.c +++ b/src/northbridge/intel/sandybridge/raminit_common.c @@ -3029,9 +3029,15 @@ void normalize_training(ramctr_timing * ctrl) int delta; FOR_ALL_LANES mat = max(ctrl->timings[channel][slotrank].lanes[lane].timA, mat); - delta = (mat >> 6) - ctrl->timings[channel][slotrank].val_4028; - ctrl->timings[channel][slotrank].val_4024 += delta; - ctrl->timings[channel][slotrank].val_4028 += delta; + printram("normalize %d, %d, %d: mat %d\n", + channel, slotrank, lane, mat); + + delta = (mat >> 6) - ctrl->timings[channel][slotrank].val_4028; + printram("normalize %d, %d, %d: delta %d\n", + channel, slotrank, lane, delta); + + ctrl->timings[channel][slotrank].val_4024 += delta; + ctrl->timings[channel][slotrank].val_4028 += delta; }
FOR_ALL_POPULATED_CHANNELS {