From: Gireesh Hiremath <Gireesh.Hiremath@in.bosch.com>
Date: Fri, 11 Jun 2021 16:13:43 +0000 (+0000)
Subject: am335x, guardian: update swi logic
X-Git-Url: http://git.dujemihanovic.xyz/%22/img/sics.gif/%22/static/git-favicon.png?a=commitdiff_plain;h=d364926da3f9680cbaaabc7f976efe05b62d8c76;p=u-boot.git

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
---

diff --git a/board/bosch/guardian/board.c b/board/bosch/guardian/board.c
index 12d047b74b..f14ceaa1f9 100644
--- a/board/bosch/guardian/board.c
+++ b/board/bosch/guardian/board.c
@@ -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:
diff --git a/include/configs/am335x_guardian.h b/include/configs/am335x_guardian.h
index 814048bf86..c76f9b26fb 100644
--- a/include/configs/am335x_guardian.h
+++ b/include/configs/am335x_guardian.h
@@ -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=" \