From 55b33f316d25c1ffb13a65de7f846b950b5ef5a6 Mon Sep 17 00:00:00 2001
From: Greg Ungerer <gerg@uclinux.org>
Date: Thu, 30 Apr 2009 22:58:35 +1000
Subject: [PATCH] m68knommu: move CPU reset code for the 523x ColdFire into its
platform code
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
arch/m68k/include/asm/m523xsim.h | 9 +++++++++
arch/m68knommu/platform/523x/config.c | 14 ++++++++------
2 files changed, 17 insertions(+), 6 deletions(-)
diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h
index bf397313e93f..55183b5df1b8 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 74133f27b30c..961fefebca14 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();
}