tree fcd0b0aa6cc66e5cca89ad9fad3b009f4849ad9c
parent 0748a87455eed53fee0858ccc74291e8e2357cd0
author Angel Pons <th3fanbus@gmail.com> 1605102275 +0100
committer Patrick Georgi <pgeorgi@google.com> 1605528394 +0000

nb/intel/sandybridge: Clarify IOSAV_DATA_CTL_ch usage

It is usually written to right after programming a pattern, because its
lower byte contains the number of cachelines of the programmed pattern.
The other cases merely reset the WDB data write and compare pointers.

Change-Id: I97196d404bf70542db28499e0d2e24b7cdab07b6
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47484
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>