[coreboot-gerrit] Change in coreboot[master]: sb/intel/common: Add AHCI code

[Patrick Rudolph (Code Review)]

Hello build bot (Jenkins), Patrick Georgi, Martin Roth,

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

https://review.coreboot.org/c/coreboot/+/37137

to look at the new patch set (#2).

Change subject: sb/intel/common: Add AHCI code
......................................................................

sb/intel/common: Add AHCI code

Implement a clean implementation based on AHCI spec 1.0-1.3 and the
Intel ICH/PCH datasheets.

The common implementation should combine all features of the duplicated
code present in the various southbridge implementations.

It compiles on x86_64, uses less magic values and detects the AHCI version
at runtime.

Change-Id: I5714788aa74b2d8bd855cbc65dd3d78c0a0101b8
Signed-off-by: Patrick Rudolph 
---
A src/include/ahci.h
M src/southbridge/intel/common/Kconfig
M src/southbridge/intel/common/Makefile.inc
A src/southbridge/intel/common/ahci.c
A src/southbridge/intel/common/ahci.h
5 files changed, 251 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/37/37137/2