ARM: restart: ixp23xx: use new restart hook

Hook these platforms restart code into the new restart hook rather
than using arch_reset().

In doing so, we split out the ixdp2351 restart code into its own
platform file.

Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

6 files changed, 21 insertions, 13 deletions

diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
index a1bee33d183..0923bb905cc 100644
--- a/arch/arm/mach-ixp23xx/core.c
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -444,3 +444,9 @@ void __init ixp23xx_sys_init(void)
 	*IXP23XX_EXP_UNIT_FUSE |= 0xf;
 	platform_add_devices(ixp23xx_devices, ARRAY_SIZE(ixp23xx_devices));
 }
+
+void ixp23xx_restart(char mode, const char *cmd)
+{
+	/* Use on-chip reset capability */
+	*IXP23XX_RESET0 |= IXP23XX_RST_ALL;
+}
diff --git a/arch/arm/mach-ixp23xx/espresso.c b/arch/arm/mach-ixp23xx/espresso.c
index 30dd31652e9..8f2487e1fc4 100644
--- a/arch/arm/mach-ixp23xx/espresso.c
+++ b/arch/arm/mach-ixp23xx/espresso.c
@@ -90,4 +90,5 @@ MACHINE_START(ESPRESSO, "IP Fabrics Double Espresso")
 	.timer		= &ixp23xx_timer,
 	.atag_offset	= 0x100,
 	.init_machine	= espresso_init,
+	.restart	= ixp23xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-ixp23xx/include/mach/platform.h b/arch/arm/mach-ixp23xx/include/mach/platform.h
index db9d9416e5e..50de558e722 100644
--- a/arch/arm/mach-ixp23xx/include/mach/platform.h
+++ b/arch/arm/mach-ixp23xx/include/mach/platform.h
@@ -34,6 +34,7 @@ struct pci_sys_data;
 void ixp23xx_map_io(void);
 void ixp23xx_init_irq(void);
 void ixp23xx_sys_init(void);
+void ixp23xx_restart(char, const char *);
 int ixp23xx_pci_setup(int, struct pci_sys_data *);
 void ixp23xx_pci_preinit(void);
 struct pci_bus *ixp23xx_pci_scan_bus(int, struct pci_sys_data*);
diff --git a/arch/arm/mach-ixp23xx/include/mach/system.h b/arch/arm/mach-ixp23xx/include/mach/system.h
index 8920ff2dff1..7a1b96ae258 100644
--- a/arch/arm/mach-ixp23xx/include/mach/system.h
+++ b/arch/arm/mach-ixp23xx/include/mach/system.h
@@ -7,10 +7,6 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-
 static inline void arch_idle(void)
 {
 #if 0
@@ -21,13 +17,4 @@ static inline void arch_idle(void)
 
 static inline void arch_reset(char mode, const char *cmd)
 {
-	/* First try machine specific support */
-	if (machine_is_ixdp2351()) {
-		*IXDP2351_CPLD_RESET1_REG = IXDP2351_CPLD_RESET1_MAGIC;
-		(void) *IXDP2351_CPLD_RESET1_REG;
-		*IXDP2351_CPLD_RESET1_REG = IXDP2351_CPLD_RESET1_ENABLE;
-	}
-
-	/* Use on-chip reset capability */
-	*IXP23XX_RESET0 |= IXP23XX_RST_ALL;
 }
diff --git a/arch/arm/mach-ixp23xx/ixdp2351.c b/arch/arm/mach-ixp23xx/ixdp2351.c
index b3a57e0f341..5d5dd3e8d06 100644
--- a/arch/arm/mach-ixp23xx/ixdp2351.c
+++ b/arch/arm/mach-ixp23xx/ixdp2351.c
@@ -326,6 +326,17 @@ static void __init ixdp2351_init(void)
 	ixp23xx_sys_init();
 }
 
+static void ixdp2351_restart(char mode, const char *cmd)
+{
+	/* First try machine specific support */
+
+	*IXDP2351_CPLD_RESET1_REG = IXDP2351_CPLD_RESET1_MAGIC;
+	(void) *IXDP2351_CPLD_RESET1_REG;
+	*IXDP2351_CPLD_RESET1_REG = IXDP2351_CPLD_RESET1_ENABLE;
+
+	ixp23xx_restart(mode, cmd);
+}
+
 MACHINE_START(IXDP2351, "Intel IXDP2351 Development Platform")
 	/* Maintainer: MontaVista Software, Inc. */
 	.map_io		= ixdp2351_map_io,
@@ -333,4 +344,5 @@ MACHINE_START(IXDP2351, "Intel IXDP2351 Development Platform")
 	.timer		= &ixp23xx_timer,
 	.atag_offset	= 0x100,
 	.init_machine	= ixdp2351_init,
+	.restart	= ixdp2351_restart,
 MACHINE_END
diff --git a/arch/arm/mach-ixp23xx/roadrunner.c b/arch/arm/mach-ixp23xx/roadrunner.c
index 8f4dcbba902..377283fc658 100644
--- a/arch/arm/mach-ixp23xx/roadrunner.c
+++ b/arch/arm/mach-ixp23xx/roadrunner.c
@@ -177,4 +177,5 @@ MACHINE_START(ROADRUNNER, "ADI Engineering RoadRunner Development Platform")
 	.timer		= &ixp23xx_timer,
 	.atag_offset	= 0x100,
 	.init_machine	= roadrunner_init,
+	.restart	= ixp23xx_restart,
 MACHINE_END