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authorGreg Ungerer <gerg@uclinux.org>2009-04-30 22:03:43 +1000
committerGreg Ungerer <gerg@uclinux.org>2009-06-11 13:09:10 +1000
commit384feb91319766298c6358f23f54873d44c9d8cb (patch)
treec5d87c43cd16ae0646f10956aeff7c7f9540b2a7 /arch
parent6f5aa7ce38dfb9c04eecac1222fc4b2521f02b83 (diff)
m68knommu: add CPU reset code for the 532x ColdFire
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/m68k/include/asm/m532xsim.h12
-rw-r--r--arch/m68knommu/platform/532x/config.c12
2 files changed, 21 insertions, 3 deletions
diff --git a/arch/m68k/include/asm/m532xsim.h b/arch/m68k/include/asm/m532xsim.h
index ce603451b55..eb7fd444894 100644
--- a/arch/m68k/include/asm/m532xsim.h
+++ b/arch/m68k/include/asm/m532xsim.h
@@ -127,6 +127,18 @@
/*********************************************************************
*
+ * Reset Controller Module
+ *
+ *********************************************************************/
+
+#define MCF_RCR 0xFC0A0000
+#define MCF_RSR 0xFC0A0001
+
+#define MCF_RCR_SWRESET 0x80 /* Software reset bit */
+#define MCF_RCR_FRCSTOUT 0x40 /* Force external reset */
+
+/*********************************************************************
+ *
* Inter-IC (I2C) Module
*
*********************************************************************/
diff --git a/arch/m68knommu/platform/532x/config.c b/arch/m68knommu/platform/532x/config.c
index 591f2f80113..cdb761971f7 100644
--- a/arch/m68knommu/platform/532x/config.c
+++ b/arch/m68knommu/platform/532x/config.c
@@ -31,8 +31,6 @@
/***************************************************************************/
-void coldfire_reset(void);
-
extern unsigned int mcf_timervector;
extern unsigned int mcf_profilevector;
extern unsigned int mcf_timerlevel;
@@ -164,6 +162,14 @@ void mcf_settimericr(unsigned int timer, unsigned int level)
/***************************************************************************/
+static void m532x_cpu_reset(void)
+{
+ local_irq_disable();
+ __raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
+}
+
+/***************************************************************************/
+
void __init config_BSP(char *commandp, int size)
{
mcf_setimr(MCFSIM_IMR_MASKALL);
@@ -181,7 +187,7 @@ void __init config_BSP(char *commandp, int size)
mcf_timervector = 64+32;
mcf_profilevector = 64+33;
- mach_reset = coldfire_reset;
+ mach_reset = m532x_cpu_reset;
#ifdef CONFIG_BDM_DISABLE
/*