am335x, guardian: update swi logic

read boot mode gpio and set the swi status

Signed-off-by: Gireesh Hiremath <Gireesh.Hiremath@in.bosch.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210611161350.2141-12-Gireesh.Hiremath@in.bosch.com
This commit is contained in:
Gireesh Hiremath 2021-06-11 16:13:43 +00:00 committed by Lokesh Vutla
parent da09ba6f73
commit d364926da3
2 changed files with 15 additions and 3 deletions

View File

@ -15,6 +15,7 @@
#include <i2c.h>
#include <led.h>
#include <panel.h>
#include <linux/delay.h>
#include <asm/global_data.h>
#include <power/tps65217.h>
#include <spl.h>
@ -205,8 +206,19 @@ static void set_bootmode_env(void)
goto err;
}
value = dm_gpio_get_value(&boot_mode_desc);
value ? env_set("swi_status", "0") : env_set("swi_status", "1");
dm_gpio_set_dir_flags(&boot_mode_desc, GPIOD_IS_IN);
udelay(10);
ret = dm_gpio_get_value(&boot_mode_desc);
if (ret == 0) {
env_set("swi_status", "1");
} else if (ret == 1) {
env_set("swi_status", "0");
} else {
printf("swi status gpio error\n");
goto err;
}
return;
err:

View File

@ -64,13 +64,13 @@
"setenv rootflags \"bulk_read,chk_data_crc\"; " \
"setenv ethact usb_ether; " \
"if test \"${swi_status}\" -eq 1; then " \
"setenv extrabootargs \"swi_attached\"; " \
"if dhcp; then " \
"sleep 1; " \
"if tftp \"${tftp_load_addr}\" \"bootscript.scr\"; then " \
"source \"${tftp_load_addr}\"; " \
"fi; " \
"fi; " \
"setenv extrabootargs $extrabootargs \"swi_attached\"; " \
"fi;" \
"run bootcmd_ubifs0;\0" \
"altbootcmd=" \