diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2014-07-15 13:40:21 -0700 |
|---|---|---|
| committer | Marc Jones <marc.jones@se-eng.com> | 2015-01-19 22:17:02 +0100 |
| commit | 6a342cb699d3573e366053076df5808c738de7e6 (patch) | |
| tree | 9aa520f7b10f34985456a8a1076db7b28e89d63f /src/mainboard/google/samus | |
| parent | 515d3d2e2c9bd6e12eb5d137cf7e9646b9c7c453 (diff) | |
samus: Disable self refresh and MRC cache on broadwell
Add workarounds for power and/or lpddr3 issues on Broadwell SKU.
BUG=chrome-os-partner:29787,chrome-os-partner:29117
BRANCH=None
TEST=build and boot on samus
Original-Change-Id: If99346212c10ad6026250e48bedd916611e2cb8c
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/208154
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit c3ee57114315320b542f53645ffb168ad654b756)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: Ie28f3ad65000a627ba64486e0f16493e8101cef3
Reviewed-on: http://review.coreboot.org/8214
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/google/samus')
| -rw-r--r-- | src/mainboard/google/samus/romstage.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mainboard/google/samus/romstage.c b/src/mainboard/google/samus/romstage.c index d6528592e4..c0c7200102 100644 --- a/src/mainboard/google/samus/romstage.c +++ b/src/mainboard/google/samus/romstage.c @@ -22,6 +22,7 @@ #include <console/console.h> #include <string.h> #include <ec/google/chromeec/ec.h> +#include <broadwell/cpu.h> #include <broadwell/gpio.h> #include <broadwell/pei_data.h> #include <broadwell/pei_wrapper.h> @@ -54,6 +55,15 @@ void mainboard_romstage_entry(struct romstage_params *rp) mainboard_fill_spd_data(&pei_data); rp->pei_data = &pei_data; + /* + * Disable use of PEI saved data to work around memory issues. + */ + if (cpu_family_model() == BROADWELL_FAMILY_ULT) { + pei_data.disable_self_refresh = 1; + pei_data.disable_saved_data = 1; + } + + /* Initalize memory */ romstage_common(rp); /* |