diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2020-11-14 01:58:47 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2020-11-21 19:40:20 +0000 |
| commit | ea3402213ff4b80bf8ebfb8502e49aa071cf3d74 (patch) | |
| tree | 993432c5d1f0d59f3324b0ffcee57e87db053152 /src/soc/amd/common/vboot | |
| parent | 65d9a7ae3116b636f6fa75311a1fb648d944f91b (diff) | |
soc/amd: factor out vbnv_cmos_failed() into soc/amd/common/vboot
Change-Id: I7f976c6c5a2a715e1a5372bb93fe657d0d86c848
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47584
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/common/vboot')
| -rw-r--r-- | src/soc/amd/common/vboot/Makefile.inc | 6 | ||||
| -rw-r--r-- | src/soc/amd/common/vboot/vbnv_cmos.c | 10 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/soc/amd/common/vboot/Makefile.inc b/src/soc/amd/common/vboot/Makefile.inc new file mode 100644 index 0000000000..aff927a5d0 --- /dev/null +++ b/src/soc/amd/common/vboot/Makefile.inc @@ -0,0 +1,6 @@ +ifeq ($(CONFIG_VBOOT_VBNV_CMOS),y) +bootblock-y += vbnv_cmos.c +verstage-y += vbnv_cmos.c +romstage-y += vbnv_cmos.c +ramstage-y += vbnv_cmos.c +endif diff --git a/src/soc/amd/common/vboot/vbnv_cmos.c b/src/soc/amd/common/vboot/vbnv_cmos.c new file mode 100644 index 0000000000..5baf923939 --- /dev/null +++ b/src/soc/amd/common/vboot/vbnv_cmos.c @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <security/vboot/vbnv.h> +#include <pc80/mc146818rtc.h> + +int vbnv_cmos_failed(void) +{ + /* If CMOS power has failed, the century will be set to 0xff */ + return cmos_read(RTC_CLK_ALTCENTURY) == 0xff; +} |