diff options
Diffstat (limited to 'package/boot/uboot-mediatek/patches/304-mt7981-generic-reset-button-ignore-env.patch')
| -rw-r--r-- | package/boot/uboot-mediatek/patches/304-mt7981-generic-reset-button-ignore-env.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/package/boot/uboot-mediatek/patches/304-mt7981-generic-reset-button-ignore-env.patch b/package/boot/uboot-mediatek/patches/304-mt7981-generic-reset-button-ignore-env.patch new file mode 100644 index 0000000000..fc44334982 --- /dev/null +++ b/package/boot/uboot-mediatek/patches/304-mt7981-generic-reset-button-ignore-env.patch @@ -0,0 +1,43 @@ +--- a/board/mediatek/mt7981/mt7981_rfb.c ++++ b/board/mediatek/mt7981/mt7981_rfb.c +@@ -6,9 +6,16 @@ + + #include <common.h> + #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> +@@ -24,7 +31,22 @@ int board_init(void) + + int board_late_init(void) + { +- gd->env_valid = 1; //to load environment variable from persistent store ++ struct udevice *dev; ++ ++ gd->env_valid = ENV_VALID; ++ 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; + } |