From 82e31257542e071734304c408748accb7b1a1298 Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Fri, 25 Nov 2016 15:40:07 +0100 Subject: [PATCH] UPSTREAM: nb/intel/sandybridge/raminit: Add debugging output Add debugging output to normalize_training. Tested on Lenovo T420. BUG=none BRANCH=none TEST=none Change-Id: Ie1686fe14895fd18f7903e64ab2b9c775f2d2951 Signed-off-by: Patrick Georgi Original-Commit-Id: 413edc8f7a0cfbdee45077ecd8717e53e4124d47 Original-Change-Id: I1d787f7ead6cf35ee142a8848837840c91cb6967 Original-Signed-off-by: Patrick Rudolph Original-Reviewed-on: https://review.coreboot.org/17608 Original-Reviewed-by: Arthur Heymans Original-Reviewed-by: Paul Menzel Original-Tested-by: build bot (Jenkins) Reviewed-on: https://chromium-review.googlesource.com/468731 --- 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 9d8e34960f..8baa0f25d1 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 {