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https://github.com/openwrt/openwrt.git
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145d896e0e
Tested on BananaPi R2 (SD, eMMC), BananaPi R64 (SD, eMMC, SPI-NAND) and UniElec U7623-02 (eMMC). Signed-off-by: Daniel Golle <daniel@makrotopia.org>
44 lines
900 B
Diff
44 lines
900 B
Diff
--- a/board/mediatek/mt7623/mt7623_rfb.c
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+++ b/board/mediatek/mt7623/mt7623_rfb.c
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@@ -4,8 +4,17 @@
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*/
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#include <common.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 <mmc.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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DECLARE_GLOBAL_DATA_PTR;
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@@ -41,3 +50,22 @@ int mmc_get_env_dev(void)
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return mmc_get_boot_dev();
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}
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#endif
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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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+ mdelay(CONFIG_RESET_BUTTON_SETTLE_DELAY);
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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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