Gitweb: http://git.kernel.org/linus/dd65b1de553ddfd85e8fea9d3aa9db7479ccf2aa
Commit: dd65b1de553ddfd85e8fea9d3aa9db7479ccf2aa
Parent: 4c0b008d49e728735f54419e60446480017bfe1b
Author: Greg Ungerer <gerg@uclinux.org>
AuthorDate: Thu Apr 30 23:15:56 2009 +1000
Committer: Greg Ungerer <gerg@uclinux.org>
CommitDate: Thu Jun 11 13:09:10 2009 +1000
m68knommu: move CPU reset code for the 528x ColdFire into its platform code
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
arch/m68k/include/asm/m528xsim.h | 8 ++++++++
arch/m68knommu/platform/528x/config.c | 13 +++++++++----
2 files changed, 17 insertions(+), 4 deletions(-)
diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h
index 28bf783..d79c49f 100644
--- a/arch/m68k/include/asm/m528xsim.h
+++ b/arch/m68k/include/asm/m528xsim.h
@@ -56,6 +56,14 @@
#define MCF5282_INTC0_ICR17 (volatile u8 *) (MCF_IPSBAR + 0x0C51)
+/*
+ * Reset Control 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 */
/*********************************************************************
*
diff --git a/arch/m68knommu/platform/528x/config.c b/arch/m68knommu/platform/528x/config.c
index bee526f..a1d1a61 100644
--- a/arch/m68knommu/platform/528x/config.c
+++ b/arch/m68knommu/platform/528x/config.c
@@ -31,10 +31,6 @@
/***************************************************************************/
-void coldfire_reset(void);
-
-/***************************************************************************/
-
static struct mcf_platform_uart m528x_uart_platform[] = {
{
.mapbase = MCF_MBAR + MCFUART_BASE1,
@@ -171,6 +167,14 @@ void mcf_autovector(unsigned int vec)
/***************************************************************************/
+static void m528x_cpu_reset(void)
+{
+ local_irq_disable();
+ __raw_writeb(MCF_RCR_SWRESET, MCF_IPSBAR + MCF_RCR);
+}
+
+/***************************************************************************/
+
#ifdef CONFIG_WILDFIRE
void wildfire_halt(void)
{
@@ -214,6 +218,7 @@ void __init config_BSP(char *commandp, int size)
static int __init init_BSP(void)
{
+ mach_reset = m528x_cpu_reset;
m528x_uarts_init();
m528x_fec_init();
platform_add_devices(m528x_devices, ARRAY_SIZE(m528x_devices));
--
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