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ARM: restart: w90x900: use new restart hook 

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

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2011-11-05 14:50:25 +00:00
parent f5733a1e80
commit fe76daea9e
6 changed files with 20 additions and 17 deletions
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16
arch/arm/mach-w90x900/cpu.c
View File

@ -33,9 +33,11 @@
#include <mach/regs-serial.h>
#include <mach/regs-clock.h>
#include <mach/regs-ebi.h>
#include <mach/regs-timer.h>
#include "cpu.h"
#include "clock.h"
#include "nuc9xx.h"
/* Initial IO mappings */
@ -222,3 +224,17 @@ void __init nuc900_init_clocks(void)
clkdev_add_table(nuc900_clkregs, ARRAY_SIZE(nuc900_clkregs));
}
#define WTCR (TMR_BA + 0x1C)
#define WTCLK (1 << 10)
#define WTE (1 << 7)
#define WTRE (1 << 1)
void nuc9xx_restart(char mode, const char *cmd)
{
if (mode == 's') {
/* Jump into ROM at address 0 */
soft_restart(0);
} else {
__raw_writel(WTE | WTRE | WTCLK, WTCR);
}
}

17
arch/arm/mach-w90x900/include/mach/system.h
View File

@ -14,28 +14,11 @@
* (at your option) any later version.
*
*/
#include <linux/io.h>
#include <asm/proc-fns.h>
#include <mach/map.h>
#include <mach/regs-timer.h>
#define WTCR (TMR_BA + 0x1C)
#define WTCLK (1 << 10)
#define WTE (1 << 7)
#define WTRE (1 << 1)
static void arch_idle(void)
{
}
static void arch_reset(char mode, const char *cmd)
{
if (mode == 's') {
/* Jump into ROM at address 0 */
soft_restart(0);
} else {
__raw_writel(WTE | WTRE | WTCLK, WTCR);
}
}

1
arch/arm/mach-w90x900/mach-nuc910evb.c
View File

@ -38,4 +38,5 @@ MACHINE_START(W90P910EVB, "W90P910EVB")
.init_irq = nuc900_init_irq,
.init_machine = nuc910evb_init,
.timer = &nuc900_timer,
.restart = nuc9xx_restart,
MACHINE_END

1
arch/arm/mach-w90x900/mach-nuc950evb.c
View File

@ -41,4 +41,5 @@ MACHINE_START(W90P950EVB, "W90P950EVB")
.init_irq = nuc900_init_irq,
.init_machine = nuc950evb_init,
.timer = &nuc900_timer,
.restart = nuc9xx_restart,
MACHINE_END

1
arch/arm/mach-w90x900/mach-nuc960evb.c
View File

@ -38,4 +38,5 @@ MACHINE_START(W90N960EVB, "W90N960EVB")
.init_irq = nuc900_init_irq,
.init_machine = nuc960evb_init,
.timer = &nuc900_timer,
.restart = nuc9xx_restart,
MACHINE_END

1
arch/arm/mach-w90x900/nuc9xx.h
View File

@ -21,3 +21,4 @@ struct sys_timer;
extern void nuc900_init_irq(void);
extern struct sys_timer nuc900_timer;
extern void nuc9xx_restart(char, const char *);