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 a1bee33d183e..0923bb905cc0 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 30dd31652e9d..8f2487e1fc4e 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 db9d9416e5e4..50de558e722e 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 8920ff2dff1f..7a1b96ae258d 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 b3a57e0f3419..5d5dd3e8d069 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 8f4dcbba9025..377283fc658c 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