Change in coreboot[master]: [WIP/UNTESTED]nb/intel/x4x: Implement both read and write training

[Arthur Heymans (Code Review)]

Hello build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/22329

to look at the new patch set (#3).

Change subject: [WIP/UNTESTED]nb/intel/x4x: Implement both read and write training
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[WIP/UNTESTED]nb/intel/x4x: Implement both read and write training

Code looks bad and does weird things over ranks. Should probably do
things like gm45 and train one lane over all available ranks.

Change-Id: Iacdc63b91b4705d1a80437314bfe55385ea5b6c1
Signed-off-by: Arthur Heymans 
---
M src/northbridge/intel/x4x/Makefile.inc
A src/northbridge/intel/x4x/dq_dqs.c
M src/northbridge/intel/x4x/raminit_ddr2.c
M src/northbridge/intel/x4x/x4x.h
4 files changed, 629 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/29/22329/3