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Request to hard-reboot EC should reboot PD as well

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Software sync on the AP will ask the EC to reboot to RO after the AP
shuts down.  This allows the AP to do a clean shutdown before the EC
reboots.  The PD chip should be rebooted at the same time the EC
reboots itself, so that in a low-battery case the requested PD reboot
also takes place after AP shutdown.

BUG=chrome-os-partner:30079
BRANCH=none
TEST=From the EC console, 'reboot hard' also reboots the PD chip.

Change-Id: I109a495ca32ad1ac4aac42708935962d3226792e
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/210570
Reviewed-by: Alec Berg <alecaberg@chromium.org>
This commit is contained in:
Randall Spangler
2014-07-30 15:49:48 -07:00
committed by chrome-internal-fetch
parent 1b82905cfe
commit 6f22113a78
1 changed files with 6 additions and 0 deletions
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6
common/system.c
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@@ -612,6 +612,12 @@ static int handle_pending_reboot(enum ec_reboot_cmd cmd)
case EC_REBOOT_JUMP_RW:
return system_run_image_copy(SYSTEM_IMAGE_RW);
case EC_REBOOT_COLD:
#ifdef HAS_TASK_PDCMD
/* Reboot the PD chip as well */
gpio_set_level(GPIO_USB_MCU_RST_L, 0);
usleep(100);
gpio_set_level(GPIO_USB_MCU_RST_L, 1);
#endif
system_reset(SYSTEM_RESET_HARD);
/* That shouldn't return... */
return EC_ERROR_UNKNOWN;