diff options
| -rw-r--r-- | board/reef/board.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/board/reef/board.c b/board/reef/board.c index 226925098f..324ff47941 100644 --- a/board/reef/board.c +++ b/board/reef/board.c @@ -285,6 +285,23 @@ DECLARE_HOOK(HOOK_CHIPSET_PRE_INIT, chipset_pre_init, HOOK_PRIO_DEFAULT); /* Initialize board. */ static void board_init(void) { + /* + * FIXME: Not required for EVT which PMIC will reset properly + * + * By removing the power rail while PMIC is enabled, + * PMIC will sense a power fault and reset itself. + */ + if (!system_jumped_to_this_image()) { + /* Disable all power rail */ + gpio_set_level(GPIO_EN_PP3300, 0); + gpio_set_level(GPIO_EN_PP5000, 0); + + /* Toggle PMIC_EN */ + gpio_set_level(GPIO_V5A_EN, 1); + msleep(500); + gpio_set_level(GPIO_V5A_EN, 0); + } + /* FIXME: Handle tablet mode */ /* gpio_enable_interrupt(GPIO_TABLET_MODE_L); */ |