3 files changed, 60 insertions, 1 deletions
diff --git a/src/vendorcode/google/chromeos/Makefile.inc b/src/vendorcode/google/chromeos/Makefile.inc
index 678c4ee97c..e17f50cd26 100644
--- a/src/vendorcode/google/chromeos/Makefile.inc
+++ b/src/vendorcode/google/chromeos/Makefile.inc
@@ -22,7 +22,7 @@ ramstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += vbnv_cmos.c
 romstage-$(CONFIG_ARCH_ROMSTAGE_ARMV7) += vbnv_ec.c
 ramstage-$(CONFIG_ARCH_RAMSTAGE_ARMV7) += vbnv_ec.c
 romstage-$(CONFIG_ARCH_ROMSTAGE_X86_32) += vboot.c
-
+ramstage-$(CONFIG_ELOG) += elog.c
 ramstage-y += gnvs.c
 romstage-y += fmap.c
 ramstage-y += fmap.c
diff --git a/src/vendorcode/google/chromeos/chromeos.h b/src/vendorcode/google/chromeos/chromeos.h
index 9b2537d51a..a2ecac849f 100644
--- a/src/vendorcode/google/chromeos/chromeos.h
+++ b/src/vendorcode/google/chromeos/chromeos.h
@@ -34,8 +34,12 @@ void save_vbnv(const uint8_t *vbnv_copy);
 #if CONFIG_CHROMEOS
 /* functions implemented in vboot.c */
 void init_chromeos(int bootmode);
+
+/* functions implemented in elog.c */
+void elog_add_boot_reason(void);
 #else
 static inline void init_chromeos(int bootmode) { }
+static inline void elog_add_boot_reason(void) { return; }
 #endif /* CONFIG_CHROMEOS */
 
 struct romstage_handoff;
diff --git a/src/vendorcode/google/chromeos/elog.c b/src/vendorcode/google/chromeos/elog.c
new file mode 100644
index 0000000000..8bf9efc1ba
--- /dev/null
+++ b/src/vendorcode/google/chromeos/elog.c
@@ -0,0 +1,55 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 The ChromiumOS Authors.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#include <cbmem.h>
+#include <console/console.h>
+#include <elog.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+#if CONFIG_VBOOT_VERIFY_FIRMWARE
+#include "vboot_handoff.h"
+#include <vboot_struct.h>
+#endif
+
+void elog_add_boot_reason(void)
+{
+	if (developer_mode_enabled()) {
+		elog_add_event(ELOG_TYPE_CROS_DEVELOPER_MODE);
+		printk(BIOS_DEBUG, "%s: Logged dev mode boot\n", __func__);
+	} else if (recovery_mode_enabled()) {
+		u8 reason = 0;
+#if CONFIG_VBOOT_VERIFY_FIRMWARE
+		struct vboot_handoff *vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF);
+
+		reason = get_recovery_mode_from_vbnv();
+		if (vbho && !reason) {
+			VbSharedDataHeader *sd = (VbSharedDataHeader *)
+				vbho->shared_data;
+			reason = sd->recovery_reason;
+		}
+#endif
+
+		elog_add_event_byte(ELOG_TYPE_CROS_RECOVERY_MODE,
+			reason ? reason : ELOG_CROS_RECOVERY_MODE_BUTTON);
+		printk(BIOS_DEBUG, "%s: Logged recovery mode boot, "
+				"reason: 0x%02x\n", __func__, reason);
+	} else {
+		printk(BIOS_DEBUG, "%s: Normal mode boot, nothing "
+					"interesting to log\n", __func__);
+	}
+}