diff options
Diffstat (limited to 'include/config.h')
| -rw-r--r-- | include/config.h | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/include/config.h b/include/config.h index 0edf5697c2..70d9179789 100644 --- a/include/config.h +++ b/include/config.h @@ -681,6 +681,18 @@ */ #undef CONFIG_BOARD_FORCE_RESET_PIN +/* + * For some boards on power-on, the EC is reset by the H1 after power-on, + * so the EC sees 2 resets. This config enables the EC to save a flag + * on the first power-up restart, and then wait for the second reset before + * any other setup is done (such as GPIOs, timers, UART etc.) + * On the second reset, the saved flag is used to detect the previous + * power-on, and treat the second reset as a power-on instead of a reset. + * + * NOTE: Implemented only for npcx + */ +#undef CONFIG_BOARD_RESET_AFTER_POWER_ON + /* Permanent LM4 boot configuration */ #undef CONFIG_BOOTCFG_VALUE @@ -1908,19 +1920,6 @@ #undef CONFIG_GESTURE_SIGMO_SKIP_MS #undef CONFIG_GESTURE_SIGMO_THRES_MG -/* - * Delay between power on and configuring GPIOs. - * On power-on of some boards, H1 releases the EC from reset but then - * quickly asserts and releases the reset a second time. This means the - * EC sees 2 resets: (1) power-on reset, (2) reset-pin reset. If we add - * a delay between reset (1) and configuring GPIO output levels, then - * reset (2) will happen before the end of the delay so we avoid extra - * output toggles. - * - * NOTE: Implemented only for npcx - */ -#undef CONFIG_GPIO_INIT_POWER_ON_DELAY_MS - /* Support getting gpio flags. */ #undef CONFIG_GPIO_GET_EXTENDED |