1 files changed, 54 insertions, 0 deletions
diff --git a/package/boot/uboot-mediatek/patches/301-mt7623-generic-reset-button-ignore-env.patch b/package/boot/uboot-mediatek/patches/301-mt7623-generic-reset-button-ignore-env.patch
new file mode 100644
index 0000000000..d082155f14
--- /dev/null
+++ b/package/boot/uboot-mediatek/patches/301-mt7623-generic-reset-button-ignore-env.patch
@@ -0,0 +1,54 @@
+--- a/board/mediatek/mt7623/Kconfig
++++ b/board/mediatek/mt7623/Kconfig
+@@ -10,4 +10,8 @@ config MTK_BROM_HEADER_INFO
+ 	string
+ 	default "lk=1"
+ 
++config RESET_BUTTON_LABEL
++	string "Button to trigger factory reset"
++	default "reset"
++
+ endif
+--- a/board/mediatek/mt7623/mt7623_rfb.c
++++ b/board/mediatek/mt7623/mt7623_rfb.c
+@@ -4,8 +4,17 @@
+  */
+ 
+ #include <common.h>
++#include <dm.h>
++#include <button.h>
++#include <env.h>
++#include <init.h>
+ #include <mmc.h>
+ #include <asm/global_data.h>
++#include <linux/delay.h>
++
++#ifndef CONFIG_RESET_BUTTON_LABEL
++#define CONFIG_RESET_BUTTON_LABEL "reset"
++#endif
+ 
+ DECLARE_GLOBAL_DATA_PTR;
+ 
+@@ -41,3 +50,22 @@ int mmc_get_env_dev(void)
+ 	return mmc_get_boot_dev();
+ }
+ #endif
++
++int board_late_init(void)
++{
++	struct udevice *dev;
++
++	if (!button_get_by_label(CONFIG_RESET_BUTTON_LABEL, &dev)) {
++		puts("reset button found\n");
++#ifdef CONFIG_RESET_BUTTON_SETTLE_DELAY
++		mdelay(CONFIG_RESET_BUTTON_SETTLE_DELAY);
++#endif
++		if (button_get_state(dev) == BUTTON_ON) {
++			puts("button pushed, resetting environment\n");
++			gd->env_valid = ENV_INVALID;
++		}
++	}
++
++	env_relocate();
++	return 0;
++}