From 916b0771e4bdaafb710b5c964c2ceba4128a1c51 Mon Sep 17 00:00:00 2001
From: Jett Rink <jettrink@chromium.org>
Date: Fri, 22 Feb 2019 11:02:06 -0700
Subject: ish: add reboot support

Make the `reboot` EC commands (console and host) operational

BRANCH=none
BUG=none
TEST=`reboot` on ISH console will power cycle ISH

Change-Id: I2dfb4437bf110493cea91087c65b62df5d08be05
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/1483278
Reviewed-by: Li1 Feng <li1.feng@intel.com>
Reviewed-by: Edward Hill <ecgh@chromium.org>
Commit-Queue: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
---
 chip/ish/system.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'chip/ish/system.c')

diff --git a/chip/ish/system.c b/chip/ish/system.c
index f532e8bf85..6c8550b0b4 100644
--- a/chip/ish/system.c
+++ b/chip/ish/system.c
@@ -46,6 +46,12 @@ uint32_t chip_read_reset_flags(void)
 
 void _system_reset(int flags, int wake_from_hibernate)
 {
+	/*
+	 * ISH HW looks at the rising edge of this bit to
+	 * trigger a MIA reset.
+	 */
+	ISH_RST_REG = 0;
+	ISH_RST_REG = 1;
 }
 
 void system_reset(int flags)
-- 
cgit v1.2.1