[coreboot-gerrit] Patch set updated for coreboot: vendorcode/chromeos/vbnv: Add CMOS Init Function

Jagadish Krishnamoorthy (jagadish.krishnamoorthy@intel.com) gerrit at coreboot.org
Thu May 19 00:54:09 CEST 2016


Jagadish Krishnamoorthy (jagadish.krishnamoorthy at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14898

-gerrit

commit fc1c7c2bed8152effa4ed4a4807ad18cccff3036
Author: Jagadish Krishnamoorthy <jagadish.krishnamoorthy at intel.com>
Date:   Wed May 18 15:18:58 2016 -0700

    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 at intel.com>
---
 src/vendorcode/google/chromeos/vbnv.h      |  1 +
 src/vendorcode/google/chromeos/vbnv_cmos.c | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/src/vendorcode/google/chromeos/vbnv.h b/src/vendorcode/google/chromeos/vbnv.h
index 3d88507..5d21cc8 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 6dfc74c..da0d300 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)
 {



More information about the coreboot-gerrit mailing list