From b4d3d09ded8bbb72007bd4429d32b9b2c6d715a9 Mon Sep 17 00:00:00 2001 From: Vadim Bendebury Date: Wed, 13 Jul 2016 23:12:27 -0700 Subject: gru: implement hw reset function Asserting this GPIO will send a signal to the EC to trigger a reset for the AP and the CR50. BRANCH=none BUG=chrome-os-partner:55252 TEST=the device now reboots when it needs to switch between different boot modes instead of hanging with "failed to reboot" message. Change-Id: I8d168e313b6983c96c80f7ad6d70bb84c1ec1d9c Signed-off-by: Martin Roth Original-Commit-Id: 83a4c8ff68ab24a103f2166e948eb23624ea97f7 Original-Change-Id: Idfd20977cf3682bd8933f89e8eec53005e55864e Original-Signed-off-by: Vadim Bendebury Original-Reviewed-on: https://chromium-review.googlesource.com/360238 Original-Reviewed-by: Aaron Durbin Original-Reviewed-by: Julius Werner Reviewed-on: https://review.coreboot.org/15718 Reviewed-by: Furquan Shaikh Tested-by: build bot (Jenkins) --- src/mainboard/google/gru/Makefile.inc | 2 -- src/mainboard/google/gru/reset.c | 7 ++++++- 2 files changed, 6 insertions(+), 3 deletions(-) (limited to 'src/mainboard/google') diff --git a/src/mainboard/google/gru/Makefile.inc b/src/mainboard/google/gru/Makefile.inc index 9e87fadd1c..a0839e0207 100644 --- a/src/mainboard/google/gru/Makefile.inc +++ b/src/mainboard/google/gru/Makefile.inc @@ -16,7 +16,6 @@ bootblock-y += bootblock.c bootblock-y += chromeos.c bootblock-y += memlayout.ld -bootblock-y += reset.c verstage-y += chromeos.c verstage-y += memlayout.ld @@ -25,7 +24,6 @@ verstage-y += reset.c romstage-y += boardid.c romstage-y += chromeos.c romstage-y += memlayout.ld -romstage-y += reset.c romstage-y += sdram_configs.c ramstage-y += boardid.c diff --git a/src/mainboard/google/gru/reset.c b/src/mainboard/google/gru/reset.c index 31d8b3de2d..bd06923532 100644 --- a/src/mainboard/google/gru/reset.c +++ b/src/mainboard/google/gru/reset.c @@ -13,9 +13,14 @@ * GNU General Public License for more details. */ -#include +#include #include +#include "board.h" + void hard_reset(void) { + gpio_output(GPIO_RESET, 1); + while (1) + ; } -- cgit v1.2.3