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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-11-05 11:46:04 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-01-05 12:57:13 +0000
commit1139b926c4b1754276fc5e2556cc9c0f46b010c6 (patch)
treed9baf1c9bcc75e95aebf441b8dc1d48ff7a3b417
parent00aa78eea20645a751db45ae4a46dae15a4576cf (diff)
downloadvexpress-lsk-1139b926c4b1754276fc5e2556cc9c0f46b010c6.tar.gz
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>
-rw-r--r--arch/arm/mach-ixp2000/core.c4
-rw-r--r--arch/arm/mach-ixp2000/enp2611.c1
-rw-r--r--arch/arm/mach-ixp2000/include/mach/platform.h1
-rw-r--r--arch/arm/mach-ixp2000/include/mach/system.h29
-rw-r--r--arch/arm/mach-ixp2000/ixdp2400.c1
-rw-r--r--arch/arm/mach-ixp2000/ixdp2800.c1
-rw-r--r--arch/arm/mach-ixp2000/ixdp2x01.c32
7 files changed, 40 insertions, 29 deletions
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index 24f0fe35f4a..81c45370a4e 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -515,3 +515,7 @@ void __init ixp2000_init_irq(void)
}
}
+void ixp2000_restart(char mode, const char *cmd)
+{
+ ixp2000_reg_wrb(IXP2000_RESET0, RSTALL);
+}
diff --git a/arch/arm/mach-ixp2000/enp2611.c b/arch/arm/mach-ixp2000/enp2611.c
index af9994537e0..ee525416f0d 100644
--- a/arch/arm/mach-ixp2000/enp2611.c
+++ b/arch/arm/mach-ixp2000/enp2611.c
@@ -259,6 +259,7 @@ MACHINE_START(ENP2611, "Radisys ENP-2611 PCI network processor board")
.init_irq = ixp2000_init_irq,
.timer = &enp2611_timer,
.init_machine = enp2611_init_machine,
+ .restart = ixp2000_restart,
MACHINE_END
diff --git a/arch/arm/mach-ixp2000/include/mach/platform.h b/arch/arm/mach-ixp2000/include/mach/platform.h
index 42182c79ed9..bb0f8dcf9ee 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 810df7b9398..e981fd2fefe 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);
}
diff --git a/arch/arm/mach-ixp2000/ixdp2400.c b/arch/arm/mach-ixp2000/ixdp2400.c
index f7dfd970014..f53e911ec94 100644
--- a/arch/arm/mach-ixp2000/ixdp2400.c
+++ b/arch/arm/mach-ixp2000/ixdp2400.c
@@ -176,5 +176,6 @@ MACHINE_START(IXDP2400, "Intel IXDP2400 Development Platform")
.init_irq = ixdp2400_init_irq,
.timer = &ixdp2400_timer,
.init_machine = ixdp2x00_init_machine,
+ .restart = ixp2000_restart,
MACHINE_END
diff --git a/arch/arm/mach-ixp2000/ixdp2800.c b/arch/arm/mach-ixp2000/ixdp2800.c
index d33bcac1ec9..a2e7c393e74 100644
--- a/arch/arm/mach-ixp2000/ixdp2800.c
+++ b/arch/arm/mach-ixp2000/ixdp2800.c
@@ -291,5 +291,6 @@ MACHINE_START(IXDP2800, "Intel IXDP2800 Development Platform")
.init_irq = ixdp2800_init_irq,
.timer = &ixdp2800_timer,
.init_machine = ixdp2x00_init_machine,
+ .restart = ixp2000_restart,
MACHINE_END
diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c
index 61a28676b5b..7632beadabf 100644
--- a/arch/arm/mach-ixp2000/ixdp2x01.c
+++ b/arch/arm/mach-ixp2000/ixdp2x01.c
@@ -413,6 +413,35 @@ static void __init ixdp2x01_init_machine(void)
ixdp2x01_uart_init();
}
+static void ixdp2401_restart(char mode, const char *cmd)
+{
+ /*
+ * Reset flash banking register so that we are pointing at
+ * RedBoot bank.
+ */
+ ixp2000_reg_write(IXDP2X01_CPLD_FLASH_REG,
+ ((0 >> IXDP2X01_FLASH_WINDOW_BITS)
+ | IXDP2X01_CPLD_FLASH_INTERN));
+ ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0xffffffff);
+
+ ixp2000_restart(mode, cmd);
+}
+
+static void ixdp280x_restart(char mode, const char *cmd)
+{
+ /*
+ * 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.
+ */
+ 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_restart(mode, cmd);
+}
#ifdef CONFIG_ARCH_IXDP2401
MACHINE_START(IXDP2401, "Intel IXDP2401 Development Platform")
@@ -422,6 +451,7 @@ MACHINE_START(IXDP2401, "Intel IXDP2401 Development Platform")
.init_irq = ixdp2x01_init_irq,
.timer = &ixdp2x01_timer,
.init_machine = ixdp2x01_init_machine,
+ .restart = ixdp2401_restart,
MACHINE_END
#endif
@@ -433,6 +463,7 @@ MACHINE_START(IXDP2801, "Intel IXDP2801 Development Platform")
.init_irq = ixdp2x01_init_irq,
.timer = &ixdp2x01_timer,
.init_machine = ixdp2x01_init_machine,
+ .restart = ixdp280x_restart,
MACHINE_END
/*
@@ -446,6 +477,7 @@ MACHINE_START(IXDP28X5, "Intel IXDP2805/2855 Development Platform")
.init_irq = ixdp2x01_init_irq,
.timer = &ixdp2x01_timer,
.init_machine = ixdp2x01_init_machine,
+ .restart = ixdp280x_restart,
MACHINE_END
#endif