diff options
| -rw-r--r-- | board/reef/board.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/board/reef/board.c b/board/reef/board.c index bb0aa55df9..93dcb2dfeb 100644 --- a/board/reef/board.c +++ b/board/reef/board.c @@ -560,6 +560,22 @@ static void board_chipset_startup(void) } DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); +#if IS_PROTO == 1 +/* + * FIXME: This is a workaround for chrome-os-partner:53791. As per comment #53 + * this issue should not occur on boards newer than proto. + */ +static void drive_sys_rst_odl_high(void) +{ + gpio_set_flags(GPIO_PCH_RCIN_L, GPIO_OUT_HIGH); + CPRINTS("SYS_RST_ODL driven high"); + msleep(1000); + gpio_set_flags(GPIO_PCH_RCIN_L, GPIO_ODR_HIGH); + CPRINTS("SYS_RST_ODL left floating (open-drain)"); +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, drive_sys_rst_odl_high, HOOK_PRIO_DEFAULT); +#endif + /* Called on AP S3 -> S5 transition */ static void board_chipset_shutdown(void) { |