blob: 5011e74257992a4105f548c1711d52046faf9409 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
--- a/board/mediatek/mt7986/mt7986_rfb.c
+++ b/board/mediatek/mt7986/mt7986_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>
@@ -25,7 +32,19 @@ 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
+ 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;
}
|
