New patch to review for coreboot: vboot: Add recovery mode with full memory retrain

[Andrey Petrov]

Andrey Petrov ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/17164

-gerrit

commit 6841aeb3b8293d8a66531071a71f57ea45babb38
Author: Andrey Petrov 
Date:   Thu Oct 27 10:11:18 2016 -0700

vboot: Add recovery mode with full memory retrain

BUG=chrome-os-partner:56643
    BRANCH=none
    TEST=invoke power-alt-refresh key combination, notice memory is retrained
    in recovery

Change-Id: I2f6ff7eac5f6c7af198cd1a43902cdd9ca6e66c0
    Signed-off-by: Andrey Petrov 
---
 src/vboot/bootmode.c     | 6 ++++++
 src/vboot/vboot_common.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/src/vboot/bootmode.c b/src/vboot/bootmode.c
index 12a4dc0..6637cab 100644
--- a/src/vboot/bootmode.c
+++ b/src/vboot/bootmode.c
@@ -22,6 +22,7 @@
 #include <vboot/misc.h>
 #include <vboot/vbnv.h>
 #include <vboot/vboot_common.h>
+#include <ec/google/chromeec/ec.h>

static int vb2_get_recovery_reason_shared_data(void)
 {
@@ -162,6 +163,11 @@ int vboot_recovery_mode_enabled(void)
    return !!vboot_check_recovery_request();
 }

+int vboot_recovery_mode_memory_retrain(void)
+{
+	return !!((google_chromeec_get_switches() & EC_SWITCH_RECOVERY_MEM_RETRAIN));
+}
+
 int vboot_developer_mode_enabled(void)
 {
    if (!IS_ENABLED(CONFIG_VBOOT))
diff --git a/src/vboot/vboot_common.h b/src/vboot/vboot_common.h
index 59fd44c..956b54c 100644
--- a/src/vboot/vboot_common.h
+++ b/src/vboot/vboot_common.h
@@ -107,5 +107,6 @@ void verstage_mainboard_init(void);
 /* Check boot modes */
 int vboot_developer_mode_enabled(void);
 int vboot_recovery_mode_enabled(void);
+int vboot_recovery_mode_memory_retrain(void);

#endif /* __VBOOT_VBOOT_COMMON_H__ */