From: Inha Song <ideal.song@samsung.com>
Date: Mon, 4 Nov 2013 02:02:33 +0000 (+0900)
Subject: samsung: boot inform: add boot_inform_clear() to reset inform registers
X-Git-Tag: accepted/tizen/generic/20140310.101015~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=245f5aef185e72d46bedccfcacc549f84dcd4e47;p=kernel%2Fu-boot.git

samsung: boot inform: add boot_inform_clear() to reset inform registers

Changes:
- define boot_inform_clear() in board/samsung/common/inform.c
- gadget thor: call boot_infor_clear() on RQT_CMD_REBOOT

Change-Id: I0c41734828718fe9c1e0aa59c44968a0560fdf78
Signed-off-by: Inha Song <ideal.song@samsung.com>
Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
---

diff --git a/board/samsung/common/Makefile b/board/samsung/common/Makefile
index 7d2bb8c..52ccc84 100644
--- a/board/samsung/common/Makefile
+++ b/board/samsung/common/Makefile
@@ -4,7 +4,7 @@
 #
 # SPDX-License-Identifier:	GPL-2.0+
 #
-
+obj-$(CONFIG_BOOT_INFORM) = inform.o
 obj-$(CONFIG_SOFT_I2C_MULTI_BUS) += multi_i2c.o
 obj-$(CONFIG_THOR_FUNCTION) += thor.o
 obj-$(CONFIG_CMD_USB_MASS_STORAGE) += ums.o
diff --git a/board/samsung/common/inform.c b/board/samsung/common/inform.c
new file mode 100644
index 0000000..4754e0d
--- /dev/null
+++ b/board/samsung/common/inform.c
@@ -0,0 +1,17 @@
+#include <common.h>
+#include <asm/arch/power.h>
+
+#define	CONFIG_NORMAL_INFORM	0x12345678
+
+void boot_inform_clear(void)
+{
+	struct exynos4_power *power =
+		(struct exynos4_power *)samsung_get_base_power();
+
+	/* clear INFORM3 - reset status */
+	writel(0, &power->inform3);
+
+	/* set INFORM2 for normal boot */
+	writel(CONFIG_NORMAL_INFORM, &power->inform2);
+}
+
diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c
index 02a670d..7845118 100644
--- a/drivers/usb/gadget/f_thor.c
+++ b/drivers/usb/gadget/f_thor.c
@@ -131,6 +131,10 @@ static int process_rqt_cmd(const struct rqt_box *rqt)
 		g_dnl_unregister();
 		dfu_free_entities();
 
+#ifdef CONFIG_BOOT_INFORM
+		/* set normal boot */
+		boot_inform_clear();
+#endif
 		run_command("reset", 0);
 		break;
 	case RQT_CMD_POWEROFF: