Files
eternalwrt-mt798x/package/boot/uboot-mediatek/patches/301-mt7622-generic-reset-button-ignore-env.patch
T
Shiji YangandDaniel Golle b6ecbb0374 uboot-mediatek: update to v2026.04
Remove upstreamed patches:
  001-pinctrl-mediatek-MT7981-fix-GPIO9-register-map.patch [1]
  010-clk-mediatek-mt7622-fix-infracfg-and-pericfg-clock-o.patch [2]

We also need to backport two new patches from v2026.07-rc2 to address
the yaml build error[3] and MT7621 boot issue[4].

[1] https://github.com/u-boot/u-boot/commit/a1d1fc8d8c8699d80e1b9ab3214752e5882d3740
[2] https://github.com/u-boot/u-boot/commit/52d84fccfd7d8b99e91a70192eec8e0379d63b4b
[3] https://github.com/u-boot/u-boot/commit/8ef8dee4f3a2b2021decfefd853dbd2a1632b77f
[4] https://github.com/u-boot/u-boot/commit/de79075f0f6b8795d1f9e30ff36435583b1a119a
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
2026-06-12 13:55:41 +01:00

63 lines
1.3 KiB
Diff

--- a/board/mediatek/mt7622/mt7622_rfb.c
+++ b/board/mediatek/mt7622/mt7622_rfb.c
@@ -5,9 +5,16 @@
*/
#include <config.h>
+#include <dm.h>
+#include <button.h>
#include <env.h>
#include <init.h>
#include <asm/global_data.h>
+#include <linux/delay.h>
+
+#ifndef CONFIG_RESET_BUTTON_LABEL
+#define CONFIG_RESET_BUTTON_LABEL "reset"
+#endif
#include <mtd.h>
#include <linux/mtd/mtd.h>
@@ -16,6 +23,28 @@
DECLARE_GLOBAL_DATA_PTR;
+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
+ if (CONFIG_RESET_BUTTON_SETTLE_DELAY > 0) {
+ button_get_state(dev);
+ 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;
+}
+
int board_nmbm_init(void)
{
#ifdef CONFIG_ENABLE_NAND_NMBM
--- a/arch/arm/mach-mediatek/Kconfig
+++ b/arch/arm/mach-mediatek/Kconfig
@@ -173,4 +173,11 @@ config MTK_TZ_MOVABLE
select OF_SYSTEM_SETUP
bool
+config RESET_BUTTON_LABEL
+ string "Button to trigger factory reset"
+ default "reset"
+
+config RESET_BUTTON_SETTLE_DELAY
+ int "Delay to wait for button to settle"
+ default 0
endif