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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
View file

@ -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();

4
include/configs/ge_bx50v3.h
View file

@ -56,7 +56,7 @@
"setenv netmask 255.255.255.0; setenv ethaddr ca:fe:de:ca:f0:11; " \
"setenv bootargs root=/dev/nfs nfsroot=${nfsserver}:/srv/nfs/,v3,tcp rw rootwait" \
"setenv bootargs $bootargs ip=${ipaddr}:${nfsserver}:${gatewayip}:${netmask}::eth0:off " \
"setenv bootargs $bootargs cma=128M bootcause=POR ${videoargs} " \
"setenv bootargs $bootargs cma=128M bootcause=${bootcause} ${videoargs} " \
"setenv bootargs $bootargs systemd.mask=helix-network-defaults.service " \
"setenv bootargs $bootargs watchdog.handle_boot_enabled=1\0" \
"networkboot=" \
@ -74,7 +74,6 @@
#define CONFIG_EXTRA_ENV_SETTINGS \
NETWORKBOOT \
"bootcause=POR\0" \
"image=/boot/fitImage\0" \
"dev=mmc\0" \
"devnum=2\0" \
@ -104,7 +103,6 @@
"setenv partnum 1; run hasfirstboot || setenv partnum 2; " \
"run hasfirstboot || setenv partnum 0; " \
"if test ${partnum} != 0; then " \
"setenv bootcause REVERT; " \
"run swappartitions loadimage doboot; " \
"fi; " \
"run failbootcmd\0" \