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authorBen Dooks <ben-linux@fluff.org>2007-02-15 22:52:15 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-02-16 11:40:50 +0000
commitd4156d52c7464e8f25a286e1c2975e91bdbc35d6 (patch)
treedd3b2fb363f1eaf6e5816aeec33613cb90ed217c /include
parentd9c0ebbda522b64607cd2b0064b9bb040c53bcaf (diff)
[ARM] 4204/1: S3C24XX: add hook to specify cpu reset
Add hook code to specify cpu specific reset call Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include')
-rw-r--r--include/asm-arm/arch-s3c2410/reset.h22
-rw-r--r--include/asm-arm/arch-s3c2410/system.h6
2 files changed, 27 insertions, 1 deletions
diff --git a/include/asm-arm/arch-s3c2410/reset.h b/include/asm-arm/arch-s3c2410/reset.h
new file mode 100644
index 00000000000..4f866cdecab
--- /dev/null
+++ b/include/asm-arm/arch-s3c2410/reset.h
@@ -0,0 +1,22 @@
+/* linux/include/asm-arm/arch-s3c2410/reset.h
+ *
+ * Copyright (c) 2007 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * S3C2410 CPU reset controls
+*/
+
+#ifndef __ASM_ARCH_RESET_H
+#define __ASM_ARCH_RESET_H __FILE__
+
+/* This allows the over-ride of the default reset code
+*/
+
+extern void (*s3c24xx_reset_hook)(void);
+
+#endif /* __ASM_ARCH_RESET_H */
diff --git a/include/asm-arm/arch-s3c2410/system.h b/include/asm-arm/arch-s3c2410/system.h
index 41aeb731c5a..1c74ef17da3 100644
--- a/include/asm-arm/arch-s3c2410/system.h
+++ b/include/asm-arm/arch-s3c2410/system.h
@@ -15,11 +15,13 @@
#include <asm/arch/map.h>
#include <asm/arch/idle.h>
+#include <asm/arch/reset.h>
#include <asm/arch/regs-watchdog.h>
#include <asm/arch/regs-clock.h>
void (*s3c24xx_idle)(void);
+void (*s3c24xx_reset_hook)(void);
void s3c24xx_default_idle(void)
{
@@ -54,7 +56,6 @@ static void arch_idle(void)
s3c24xx_default_idle();
}
-
static void
arch_reset(char mode)
{
@@ -62,6 +63,9 @@ arch_reset(char mode)
cpu_reset(0);
}
+ if (s3c24xx_reset_hook)
+ s3c24xx_reset_hook();
+
printk("arch_reset: attempting watchdog reset\n");
__raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */