From 18f4a483f073b3a8f64f1da2e1089f658e1dbba6 Mon Sep 17 00:00:00 2001
From: Nick Sanders <nsanders@chromium.org>
Date: Fri, 13 Oct 2017 19:19:10 -0700
Subject: [PATCH] cr50: add rollback command

In DEV, it's necessary to rollback to reenter prod signed
images. Let's make this reasonably easy.

BUG=None
BRANCH=cr50
TEST=CR50_DEV fw does roll back to prod..

Signed-off-by: Nick Sanders <nsanders@chromium.org>
Change-Id: Id39c3e501782da3f088760ec27d09f1ffc7b7f58
Reviewed-on: https://chromium-review.googlesource.com/734840
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
---
 board/cr50/board.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/board/cr50/board.c b/board/cr50/board.c
index 1cc92e56b3..932fddaf9b 100644
--- a/board/cr50/board.c
+++ b/board/cr50/board.c
@@ -1504,3 +1504,17 @@ int chip_factory_mode(void)
 
 	return mode_set & 1;
 }
+
+#ifdef CR50_DEV
+static int command_rollback(int argc, char **argv)
+{
+	system_ensure_rollback();
+	ccprintf("Rebooting to alternate RW due to manual request\n");
+	cflush();
+	system_reset(0);
+
+	return EC_SUCCESS;
+}
+DECLARE_CONSOLE_COMMAND(rollback, command_rollback,
+	"", "Force rollback to escape DEV image.");
+#endif