On Tue, Nov 5, 2013 at 10:55 AM, Kyösti Mälkki <kyosti.malkki(a)gmail.com> wrote:
A recent discussion I had about google/stout suggested that with the sources
from coreboot git, this board is unable to resume from S3 suspend.
(Argumentation: no EARLY_CBMEM_INIT, no MRC cache, no memory training
I find it hard to believe this problem would affect production units and I
tried to locate the sources where this is fixed from chromium git, without
So this question pops on the surface once again: how do I track down, locate
and download the specific revision of coreboot sources for a Chromebook
production unit? I'd like to see fixes like this upstreamed to coreboot git.
As a related topic: Sandy/ivybridge boards have some low-memory writes on S3
resume, see use of CBMEM_RESUME_BACKUP and CBMEM_BOOT_MODE in romstage.c. Is
there some argumentation why these writes are safe and do not corrupt OS
It's my understanding that things are just lucky because Linux
reserves that low memory from its use.
coreboot mailing list: coreboot(a)coreboot.org