1 --- a/board/mediatek/mt7623/mt7623_rfb.c
2 +++ b/board/mediatek/mt7623/mt7623_rfb.c
12 #include <asm/global_data.h>
13 +#include <linux/delay.h>
15 +#ifndef CONFIG_RESET_BUTTON_LABEL
16 +#define CONFIG_RESET_BUTTON_LABEL "reset"
19 DECLARE_GLOBAL_DATA_PTR;
21 @@ -41,3 +50,25 @@ int mmc_get_env_dev(void)
22 return mmc_get_boot_dev();
26 +int board_late_init(void)
28 + struct udevice *dev;
30 + if (!button_get_by_label(CONFIG_RESET_BUTTON_LABEL, &dev)) {
31 + puts("reset button found\n");
32 +#ifdef CONFIG_RESET_BUTTON_SETTLE_DELAY
33 + if (CONFIG_RESET_BUTTON_SETTLE_DELAY > 0) {
34 + button_get_state(dev);
35 + mdelay(CONFIG_RESET_BUTTON_SETTLE_DELAY);
38 + if (button_get_state(dev) == BUTTON_ON) {
39 + puts("button pushed, resetting environment\n");
40 + gd->env_valid = ENV_INVALID;