4e7c991af5
* Cumulative fixes and updates for MediaTek platform. [1] * Update mt7981 pinctrl driver based on upstream kernel. [2] [1] https://lore.kernel.org/u-boot/cover.1737104723.git.weijie.gao@mediatek.com/ [2] https://lore.kernel.org/u-boot/20250124033902.187796-1-weijie.gao@mediatek.com/ Signed-off-by: Shiji Yang <yangshiji66@qq.com>
63 lines
1.3 KiB
Diff
63 lines
1.3 KiB
Diff
--- a/board/mediatek/mt7622/mt7622_rfb.c
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+++ b/board/mediatek/mt7622/mt7622_rfb.c
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@@ -5,9 +5,16 @@
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*/
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#include <config.h>
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+#include <dm.h>
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+#include <button.h>
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#include <env.h>
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#include <init.h>
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#include <asm/global_data.h>
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+#include <linux/delay.h>
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+
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+#ifndef CONFIG_RESET_BUTTON_LABEL
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+#define CONFIG_RESET_BUTTON_LABEL "reset"
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+#endif
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#include <mtd.h>
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#include <linux/mtd/mtd.h>
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@@ -21,6 +28,28 @@ int board_init(void)
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return 0;
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}
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+int board_late_init(void)
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+{
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+ struct udevice *dev;
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+
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+ if (!button_get_by_label(CONFIG_RESET_BUTTON_LABEL, &dev)) {
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+ puts("reset button found\n");
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+#ifdef CONFIG_RESET_BUTTON_SETTLE_DELAY
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+ if (CONFIG_RESET_BUTTON_SETTLE_DELAY > 0) {
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+ button_get_state(dev);
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+ mdelay(CONFIG_RESET_BUTTON_SETTLE_DELAY);
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+ }
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+#endif
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+ if (button_get_state(dev) == BUTTON_ON) {
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+ puts("button pushed, resetting environment\n");
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+ gd->env_valid = ENV_INVALID;
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+ }
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+ }
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+
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+ env_relocate();
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+ return 0;
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+ }
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+
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int board_nmbm_init(void)
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{
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#ifdef CONFIG_ENABLE_NAND_NMBM
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--- a/arch/arm/mach-mediatek/Kconfig
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+++ b/arch/arm/mach-mediatek/Kconfig
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@@ -155,4 +155,11 @@ config MTK_BROM_HEADER_INFO
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source "board/mediatek/mt7629/Kconfig"
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+config RESET_BUTTON_LABEL
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+ string "Button to trigger factory reset"
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+ default "reset"
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+
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+config RESET_BUTTON_SETTLE_DELAY
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+ int "Delay to wait for button to settle"
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+ default 0
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endif
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