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-rw-r--r--arch/arm/mach-omap2/omap3-restart.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap3-restart.c b/arch/arm/mach-omap2/omap3-restart.c
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+++ b/arch/arm/mach-omap2/omap3-restart.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * omap3-restart.c - Code common to all OMAP3xxx machines.
+ *
+ * Copyright (C) 2009, 2012 Texas Instruments
+ * Copyright (C) 2010 Nokia Corporation
+ * Tony Lindgren <tony@atomide.com>
+ * Santosh Shilimkar <santosh.shilimkar@ti.com>
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/reboot.h>
+
+#include "common.h"
+#include "control.h"
+#include "prm.h"
+
+/* Global address base setup code */
+
+/**
+ * omap3xxx_restart - trigger a software restart of the SoC
+ * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
+ * @cmd: passed from the userspace program rebooting the system (if provided)
+ *
+ * Resets the SoC. For @cmd, see the 'reboot' syscall in
+ * kernel/sys.c. No return value.
+ */
+void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
+{
+ omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0));
+ omap_prm_reset_system();
+}