[coreboot] New patch to review for coreboot: f8935eb romstage_handoff: add s3_resume field
Stefan Reinauer (stefan.reinauer@coreboot.org)
gerrit at coreboot.org
Tue Mar 19 01:59:04 CET 2013
Stefan Reinauer (stefan.reinauer at coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/2796
-gerrit
commit f8935ebff61c943162eb296514dd150a6a0e6884
Author: Aaron Durbin <adurbin at chromium.org>
Date: Mon Feb 11 21:15:12 2013 -0600
romstage_handoff: add s3_resume field
Provide a field in the romstage_handoff structure to indicate if the
current boot is an ACPI S3 wake boot. There are currently quite a few
non-standardized ways of passing this knowledge to ramstage from
romstage. Many utilize stashing magic numbers in device-specific
registers. The addition of this field adds a more formalized method
passing along this information. However, it still requires the romstage
chipset code to initialize this field. In short, this change does not
make this a hard requirement for ramstage.
Change-Id: Ia819c0ceed89ed427ef576a036fa870eb7cf57bc
Signed-off-by: Aaron Durbin <adurbin at chromium.org>
---
src/include/romstage_handoff.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/include/romstage_handoff.h b/src/include/romstage_handoff.h
index 13dc979..c20b261 100644
--- a/src/include/romstage_handoff.h
+++ b/src/include/romstage_handoff.h
@@ -31,6 +31,8 @@ struct romstage_handoff {
/* This indicates to the ramstage to reserve a chunk of memory. */
uint32_t reserve_base;
uint32_t reserve_size;
+ /* Inidicate if the current boot is an S3 resume. */
+ uint32_t s3_resume;
};
#if defined(__PRE_RAM__)
More information about the coreboot
mailing list