[coreboot-gerrit] [M] Change in coreboot[main]: haswell NRI: Add read MPR training

[Angel Pons (Code Review)]

Attention is currently required from: Arthur Heymans, Nico Huber.

Hello Arthur Heymans, Nico Huber, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/64196?usp=email

to look at the new patch set (#8).

Change subject: haswell NRI: Add read MPR training
......................................................................

haswell NRI: Add read MPR training

Implement read training using DDR3 MPR (Multi-Purpose Register).

Change-Id: Id17cb2c4c399ac9bcc937b595b58f863c152461b
Signed-off-by: Angel Pons 
---
M src/northbridge/intel/haswell/native_raminit/Makefile.mk
M src/northbridge/intel/haswell/native_raminit/raminit_main.c
M src/northbridge/intel/haswell/native_raminit/raminit_native.h
A src/northbridge/intel/haswell/native_raminit/train_read_mpr.c
M src/northbridge/intel/haswell/registers/mchbar.h
5 files changed, 248 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/96/64196/8