diff options
| author | Jagadish Krishnamoorthy <jagadish.krishnamoorthy@intel.com> | 2016-05-18 15:18:58 -0700 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2016-05-24 20:28:48 +0200 |
| commit | e2e561d31fcb1a9227a06ed1fb821090815050c7 (patch) | |
| tree | 67363215bbfeb065ebe7992beb40f9002d07ff45 /src | |
| parent | f8841120b2627a25fcc57b67662f727f9c20941e (diff) | |
| download | coreboot-e2e561d31fcb1a9227a06ed1fb821090815050c7.tar.xz | |
vendorcode/chromeos/vbnv: Add CMOS init function
Add cmos init helper function.
This function saves the Vboot NV data, calls cmos init
and restores the Vboot NV data.
Change-Id: I8475f23d849fb5b5a2d16738b4d5e99f112883da
Signed-off-by: Jagadish Krishnamoorthy <jagadish.krishnamoorthy@intel.com>
Reviewed-on: https://review.coreboot.org/14898
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src')
| -rw-r--r-- | src/vendorcode/google/chromeos/vbnv.h | 1 | ||||
| -rw-r--r-- | src/vendorcode/google/chromeos/vbnv_cmos.c | 13 |
2 files changed, 14 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/vbnv.h b/src/vendorcode/google/chromeos/vbnv.h index 3d88507a85..5d21cc8481 100644 --- a/src/vendorcode/google/chromeos/vbnv.h +++ b/src/vendorcode/google/chromeos/vbnv.h @@ -29,6 +29,7 @@ int vboot_wants_oprom(void); /* CMOS backend */ void read_vbnv_cmos(uint8_t *vbnv_copy); void save_vbnv_cmos(const uint8_t *vbnv_copy); +void init_vbnv_cmos(int rtc_fail); /* Flash backend */ void read_vbnv_flash(uint8_t *vbnv_copy); diff --git a/src/vendorcode/google/chromeos/vbnv_cmos.c b/src/vendorcode/google/chromeos/vbnv_cmos.c index 6dfc74cc09..da0d3005fd 100644 --- a/src/vendorcode/google/chromeos/vbnv_cmos.c +++ b/src/vendorcode/google/chromeos/vbnv_cmos.c @@ -51,6 +51,19 @@ void save_vbnv_cmos(const uint8_t *vbnv_copy) cmos_write(vbnv_copy[i], CONFIG_VBNV_OFFSET + 14 + i); } +void init_vbnv_cmos(int rtc_fail) +{ + uint8_t vbnv[VBNV_BLOCK_SIZE]; + + if (rtc_fail) + read_vbnv_cmos(vbnv); + + cmos_init(rtc_fail); + + if (rtc_fail) + save_vbnv_cmos(vbnv); +} + #if IS_ENABLED(CONFIG_CHROMEOS_VBNV_CMOS_BACKUP_TO_FLASH) static void back_up_vbnv_cmos(void *unused) { |