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board: ge: bx50v3: check b850v3 power management watchdog

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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>
This commit is contained in:
Ian Ray
2020-11-04 17:18:43 +01:00
committed by Stefano Babic
parent 559aaa2526
commit 4f1970f437
2 changed files with 18 additions and 3 deletions
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17
board/ge/bx50v3/bx50v3.c
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@@ -384,6 +384,7 @@ static iomux_v3_cfg_t const misc_pads[] = {
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 @@ int board_init(void)
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 @@ void pmic_init(void)
}
}
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 @@ int board_late_init(void)
else
env_set("videoargs", "video=LVDS-1:1024x768@65");
detect_boot_cause();
/* board specific pmic init */
pmic_init();