openwrt/package/boot/uboot-mediatek/patches/302-mt7623-generic-reset-button-ignore-env.patch
Daniel Golle 6368ed1ae5 mediatek: mt7623: phase out uImage.FIT partition parser
Use the new fitblk driver on the BananaPi R2 as well as UniElec U7623.
Introduce boot device selection for fitblk's /chosen/rootdisk
handle, similar to how it is already done on MT7622, MT7986 and MT7988.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2024-02-24 03:02:35 +00:00

48 lines
993 B
Diff

--- a/board/mediatek/mt7623/mt7623_rfb.c
+++ b/board/mediatek/mt7623/mt7623_rfb.c
@@ -4,9 +4,18 @@
*/
#include <common.h>
+#include <dm.h>
+#include <button.h>
+#include <env.h>
+#include <init.h>
#include <mmc.h>
#include <part.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;
@@ -60,3 +69,25 @@ int mmc_get_env_dev(void)
return dev_seq(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
+ 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;
+}