From: Greg Ungerer <gerg@uclinux.org>
Date: Thu, 30 Apr 2009 12:58:35 +0000 (+1000)
Subject: m68knommu: move CPU reset code for the 523x ColdFire into its platform code
X-Git-Tag: v2.6.31-rc1~376^2~8
X-Git-Url: http://bbs.cooldavid.org/git/?a=commitdiff_plain;h=55b33f316d25c1ffb13a65de7f846b950b5ef5a6;p=net-next-2.6.git

m68knommu: move CPU reset code for the 523x ColdFire into its platform code

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---

diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h
index bf397313e93..55183b5df1b 100644
--- a/arch/m68k/include/asm/m523xsim.h
+++ b/arch/m68k/include/asm/m523xsim.h
@@ -41,5 +41,14 @@
 #define	MCFSIM_DACR1		0x50		/* SDRAM base address 1 */
 #define	MCFSIM_DMR1		0x54		/* SDRAM address mask 1 */
 
+/*
+ *  Reset Controll Unit (relative to IPSBAR).
+ */
+#define	MCF_RCR			0x110000
+#define	MCF_RSR			0x110001
+
+#define	MCF_RCR_SWRESET		0x80		/* Software reset bit */
+#define	MCF_RCR_FRCSTOUT	0x40		/* Force external reset */
+
 /****************************************************************************/
 #endif	/* m523xsim_h */
diff --git a/arch/m68knommu/platform/523x/config.c b/arch/m68knommu/platform/523x/config.c
index 74133f27b30..961fefebca1 100644
--- a/arch/m68knommu/platform/523x/config.c
+++ b/arch/m68knommu/platform/523x/config.c
@@ -15,7 +15,6 @@
 #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>
@@ -24,10 +23,6 @@
 
 /***************************************************************************/
 
-void coldfire_reset(void);
-
-/***************************************************************************/
-
 static struct mcf_platform_uart m523x_uart_platform[] = {
 	{
 		.mapbase	= MCF_MBAR + MCFUART_BASE1,
@@ -145,13 +140,20 @@ void mcf_autovector(unsigned int vec)
 {
 	/* Everything is auto-vectored on the 523x */
 }
+/***************************************************************************/
+
+static void m523x_cpu_reset(void)
+{
+	local_irq_disable();
+	__raw_writeb(MCF_RCR_SWRESET, MCF_IPSBAR + MCF_RCR);
+}
 
 /***************************************************************************/
 
 void __init config_BSP(char *commandp, int size)
 {
 	mcf_disableall();
-	mach_reset = coldfire_reset;
+	mach_reset = m523x_cpu_reset;
 	m523x_uarts_init();
 	m523x_fec_init();
 }