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t210: sdram_lp0: also save EmcBctSpare2 field 

Need to save EmcBctSpare2 field to scratch register. Without it,
system may not resume from LP0 suspend.

BUG=chrome-os-partner:43797
BRANCH=none
TEST=able to suspend/resume >30 times on a known failed board

Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Original-Commit-Id: 6d1623c4c791f79e097193dfbc4bc894ef63e230
Original-Change-Id: I53ebf8c4d4c7cd19827128a84fbd97a377d78ff7
Original-Signed-off-by: Yen Lin <yelin@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/294765
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Original-(cherry picked from commit ce38d902e889068d0068150c9352c2ecdb2f8815)
Original-Reviewed-on: https://chromium-review.googlesource.com/294864
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>

Change-Id: I2ff21afbe9278413033101877c2581df51913709
Reviewed-on: http://review.coreboot.org/11401
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Yen Lin 2015-08-20 15:19:07 -07:00 committed by Patrick Georgi
parent 3746465f4a
commit 3ad69e8d4c
1 changed files with 1 additions and 0 deletions
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src/soc/nvidia/tegra210/sdram_lp0.c
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@ -724,6 +724,7 @@ void sdram_lp0_save_params(const struct sdram_params *sdram)
s32(EmcBctSpare5, scratch42); s32(EmcBctSpare5, scratch42);
s32(EmcBctSpare4, scratch44); s32(EmcBctSpare4, scratch44);
s32(SwizzleRankByteEncode, scratch45); s32(SwizzleRankByteEncode, scratch45);
s32(EmcBctSpare2, scratch46);
s32(EmcBctSpare1, scratch47); s32(EmcBctSpare1, scratch47);
s32(EmcBctSpare0, scratch48); s32(EmcBctSpare0, scratch48);
s32(EmcBctSpare9, scratch50); s32(EmcBctSpare9, scratch50);