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authorBen Dooks <ben-linux@fluff.org>2009-05-17 23:30:45 +0100
committerBen Dooks <ben-linux@fluff.org>2009-05-17 23:30:45 +0100
commit3cba5ef862bc2c2a0cf2841d993bfb99b9a6c476 (patch)
tree97000464c961fca757c2131d53680ebed2997e10 /arch/arm/mach-s3c2410/include/mach/system-reset.h
parent3f7ea467be1bad860c0f71ba7373dd3cf76b485a (diff)
[ARM] S3C: Move watchdog system reset to own file.
Move the watchdog reset code from <mach/system-reset.h> to a new file <plat/watchdog-reset.h> as this code is needed by both s3c2410, s3c64xx and soon-to-be added s3c24a0. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s3c2410/include/mach/system-reset.h')
-rw-r--r--arch/arm/mach-s3c2410/include/mach/system-reset.h36
1 files changed, 2 insertions, 34 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/system-reset.h b/arch/arm/mach-s3c2410/include/mach/system-reset.h
index b8687f71c30..6faadcee772 100644
--- a/arch/arm/mach-s3c2410/include/mach/system-reset.h
+++ b/arch/arm/mach-s3c2410/include/mach/system-reset.h
@@ -11,21 +11,13 @@
*/
#include <mach/hardware.h>
-#include <linux/io.h>
-
-#include <plat/regs-watchdog.h>
-#include <mach/regs-clock.h>
-
-#include <linux/clk.h>
-#include <linux/err.h>
+#include <plat/watchdog-reset.h>
extern void (*s3c24xx_reset_hook)(void);
static void
arch_reset(char mode, const char *cmd)
{
- struct clk *wdtclk;
-
if (mode == 's') {
cpu_reset(0);
}
@@ -33,31 +25,7 @@ arch_reset(char mode, const char *cmd)
if (s3c24xx_reset_hook)
s3c24xx_reset_hook();
- printk("arch_reset: attempting watchdog reset\n");
-
- __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */
-
- wdtclk = clk_get(NULL, "watchdog");
- if (!IS_ERR(wdtclk)) {
- clk_enable(wdtclk);
- } else
- printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
-
- /* put initial values into count and data */
- __raw_writel(0x80, S3C2410_WTCNT);
- __raw_writel(0x80, S3C2410_WTDAT);
-
- /* set the watchdog to go and reset... */
- __raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN |
- S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON);
-
- /* wait for reset to assert... */
- mdelay(500);
-
- printk(KERN_ERR "Watchdog reset failed to assert reset\n");
-
- /* delay to allow the serial port to show the message */
- mdelay(50);
+ arch_wdt_reset();
/* we'll take a jump through zero as a poor second */
cpu_reset(0);