From ea3402213ff4b80bf8ebfb8502e49aa071cf3d74 Mon Sep 17 00:00:00 2001 From: Felix Held Date: Sat, 14 Nov 2020 01:58:47 +0100 Subject: soc/amd: factor out vbnv_cmos_failed() into soc/amd/common/vboot Change-Id: I7f976c6c5a2a715e1a5372bb93fe657d0d86c848 Signed-off-by: Felix Held Reviewed-on: https://review.coreboot.org/c/coreboot/+/47584 Reviewed-by: Furquan Shaikh Tested-by: build bot (Jenkins) --- src/soc/amd/common/Makefile.inc | 5 ++++- src/soc/amd/common/vboot/Makefile.inc | 6 ++++++ src/soc/amd/common/vboot/vbnv_cmos.c | 10 ++++++++++ 3 files changed, 20 insertions(+), 1 deletion(-) create mode 100644 src/soc/amd/common/vboot/Makefile.inc create mode 100644 src/soc/amd/common/vboot/vbnv_cmos.c (limited to 'src/soc/amd/common') diff --git a/src/soc/amd/common/Makefile.inc b/src/soc/amd/common/Makefile.inc index c0757c5968..418539bca7 100644 --- a/src/soc/amd/common/Makefile.inc +++ b/src/soc/amd/common/Makefile.inc @@ -1 +1,4 @@ -subdirs-$(CONFIG_SOC_AMD_COMMON) += block +ifeq ($(CONFIG_SOC_AMD_COMMON),y) +subdirs-y += block +subdirs-y += vboot +endif 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 +#include + +int vbnv_cmos_failed(void) +{ + /* If CMOS power has failed, the century will be set to 0xff */ + return cmos_read(RTC_CLK_ALTCENTURY) == 0xff; +} -- cgit v1.2.3