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authorGreg Ungerer <gerg@uclinux.org>2009-04-30 23:32:52 +1000
committerGreg Ungerer <gerg@uclinux.org>2009-06-11 13:09:10 +1000
commit05728aec8b05ec3fa859add8b22ba46432611e9e (patch)
tree386201901e856d64bbb9795389922102f91ab742 /arch/m68knommu/platform/5272
parentdd65b1de553ddfd85e8fea9d3aa9db7479ccf2aa (diff)
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m68knommu: move CPU reset code for the 5272 ColdFire into its platform code
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch/m68knommu/platform/5272')
-rw-r--r--arch/m68knommu/platform/5272/config.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/m68knommu/platform/5272/config.c b/arch/m68knommu/platform/5272/config.c
index e049245f409..5f95fcde05f 100644
--- a/arch/m68knommu/platform/5272/config.c
+++ b/arch/m68knommu/platform/5272/config.c
@@ -12,7 +12,6 @@
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/init.h>
-#include <linux/interrupt.h>
#include <linux/io.h>
#include <asm/machdep.h>
#include <asm/coldfire.h>
@@ -21,8 +20,6 @@
/***************************************************************************/
-void coldfire_reset(void);
-
extern unsigned int mcf_timervector;
extern unsigned int mcf_profilevector;
extern unsigned int mcf_timerlevel;
@@ -170,6 +167,19 @@ void mcf_settimericr(int timer, int level)
/***************************************************************************/
+static void m5272_cpu_reset(void)
+{
+ local_irq_disable();
+ /* Set watchdog to reset, and enabled */
+ __raw_writew(0, MCF_MBAR + MCFSIM_WIRR);
+ __raw_writew(1, MCF_MBAR + MCFSIM_WRRR);
+ __raw_writew(0, MCF_MBAR + MCFSIM_WCR);
+ for (;;)
+ /* wait for watchdog to timeout */;
+}
+
+/***************************************************************************/
+
void __init config_BSP(char *commandp, int size)
{
#if defined (CONFIG_MOD5272)
@@ -194,7 +204,7 @@ void __init config_BSP(char *commandp, int size)
mcf_timervector = 69;
mcf_profilevector = 70;
- mach_reset = coldfire_reset;
+ mach_reset = m5272_cpu_reset;
}
/***************************************************************************/