board: ge: bx50v3: check b850v3 power management watchdog
Set `bootcause' from b850v3 power management watchdog status.
Boot cause "REVERT" is no longer used, remove it.
Signed-off-by: Ian Ray <ian.ray@ge.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c
index 8e7b90a..4754647 100644
--- a/board/ge/bx50v3/bx50v3.c
+++ b/board/ge/bx50v3/bx50v3.c
@@ -384,6 +384,7 @@
MX6_PAD_GPIO_9__WDOG1_B | MUX_PAD_CTRL(NC_PAD_CTRL),
};
#define SUS_S3_OUT IMX_GPIO_NR(4, 11)
+#define PWGIN_IN IMX_GPIO_NR(4, 14)
#define WIFI_EN IMX_GPIO_NR(6, 14)
int board_early_init_f(void)
@@ -416,6 +417,9 @@
gpio_request(SUS_S3_OUT, "sus_s3_out");
gpio_direction_output(SUS_S3_OUT, 1);
+ gpio_request(PWGIN_IN, "pwgin_in");
+ gpio_direction_input(PWGIN_IN);
+
gpio_request(WIFI_EN, "wifi_en");
gpio_direction_output(WIFI_EN, 1);
@@ -465,6 +469,17 @@
}
}
+static void detect_boot_cause(void)
+{
+ const char *cause = "POR";
+
+ if (is_b850v3())
+ if (!gpio_get_value(PWGIN_IN))
+ cause = "PM_WDOG";
+
+ env_set("bootcause", cause);
+}
+
int board_late_init(void)
{
process_vpd(&vpd);
@@ -478,6 +493,8 @@
else
env_set("videoargs", "video=LVDS-1:1024x768@65");
+ detect_boot_cause();
+
/* board specific pmic init */
pmic_init();