ARM: restart: ixp2000: 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 IXDP2401, IXDP2801 and IXDP2805 platform
specific restart code into their own platform files.

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

2 files changed, 1 insertions, 29 deletions

diff --git a/arch/arm/mach-ixp2000/include/mach/platform.h b/arch/arm/mach-ixp2000/include/mach/platform.h
index 42182c79ed90..bb0f8dcf9ee1 100644
--- a/arch/arm/mach-ixp2000/include/mach/platform.h
+++ b/arch/arm/mach-ixp2000/include/mach/platform.h
@@ -122,6 +122,7 @@ void ixp2000_map_io(void);
 void ixp2000_uart_init(void);
 void ixp2000_init_irq(void);
 void ixp2000_init_time(unsigned long);
+void ixp2000_restart(char, const char *);
 unsigned long ixp2000_gettimeoffset(void);
 
 struct pci_sys_data;
diff --git a/arch/arm/mach-ixp2000/include/mach/system.h b/arch/arm/mach-ixp2000/include/mach/system.h
index 810df7b93982..e981fd2fefee 100644
--- a/arch/arm/mach-ixp2000/include/mach/system.h
+++ b/arch/arm/mach-ixp2000/include/mach/system.h
@@ -8,10 +8,6 @@
  * 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)
 {
         cpu_do_idle();
@@ -19,29 +15,4 @@ static inline void arch_idle(void)
 
 static inline void arch_reset(char mode, const char *cmd)
 {
-        /*
-         * Reset flash banking register so that we are pointing at
-         * RedBoot bank.
-         */
-        if (machine_is_ixdp2401()) {
-                ixp2000_reg_write(IXDP2X01_CPLD_FLASH_REG,
-                                        ((0 >> IXDP2X01_FLASH_WINDOW_BITS)
-                                                | IXDP2X01_CPLD_FLASH_INTERN));
-                ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0xffffffff);
-        }
-
-        /*
-         * On IXDP2801 we need to write this magic sequence to the CPLD
-         * to cause a complete reset of the CPU and all external devices
-         * and move the flash bank register back to 0.
-         */
-        if (machine_is_ixdp2801() || machine_is_ixdp28x5()) {
-                unsigned long reset_reg = *IXDP2X01_CPLD_RESET_REG;
-
-                reset_reg = 0x55AA0000 | (reset_reg & 0x0000FFFF);
-                ixp2000_reg_write(IXDP2X01_CPLD_RESET_REG, reset_reg);
-                ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0x80000000);
-        }
-
-        ixp2000_reg_wrb(IXP2000_RESET0, RSTALL);
 }