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ARM: mach-at91: move special idle code out of line

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... and hook it to arm_pm_idle.

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
This commit is contained in:
Nicolas Pitre 2011-08-02 10:21:36 -04:00 committed by Nicolas Pitre
parent 8dd6718883
commit c9dfafbaca
9 changed files with 69 additions and 21 deletions
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8
arch/arm/mach-at91/at91cap9.c
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@ -14,6 +14,7 @@
#include <linux/module.h> #include <linux/module.h>
#include <asm/proc-fns.h>
#include <asm/irq.h> #include <asm/irq.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <asm/mach/map.h> #include <asm/mach/map.h>
@ -314,6 +315,12 @@ static struct at91_gpio_bank at91cap9_gpio[] __initdata = {
} }
}; };
static void at91cap9_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void at91cap9_restart(char mode, const char *cmd) static void at91cap9_restart(char mode, const char *cmd)
{ {
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
@ -337,6 +344,7 @@ static void __init at91cap9_ioremap_registers(void)
static void __init at91cap9_initialize(void) static void __init at91cap9_initialize(void)
{ {
arm_pm_idle = at91cap9_idle;
arm_pm_restart = at91cap9_restart; arm_pm_restart = at91cap9_restart;
at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1); at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1);

10
arch/arm/mach-at91/at91rm9200.c
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@ -289,6 +289,15 @@ static struct at91_gpio_bank at91rm9200_gpio[] __initdata = {
} }
}; };
static void at91rm9200_idle(void)
{
/*
* Disable the processor clock. The processor will be automatically
* re-enabled by an interrupt or by a reset.
*/
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
}
static void at91rm9200_restart(char mode, const char *cmd) static void at91rm9200_restart(char mode, const char *cmd)
{ {
/* /*
@ -314,6 +323,7 @@ static void __init at91rm9200_ioremap_registers(void)
static void __init at91rm9200_initialize(void) static void __init at91rm9200_initialize(void)
{ {
arm_pm_idle = at91rm9200_idle;
arm_pm_restart = at91rm9200_restart; arm_pm_restart = at91rm9200_restart;
at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1) at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1)
| (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3) | (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3)

8
arch/arm/mach-at91/at91sam9260.c
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@ -12,6 +12,7 @@
#include <linux/module.h> #include <linux/module.h>
#include <asm/proc-fns.h>
#include <asm/irq.h> #include <asm/irq.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <asm/mach/map.h> #include <asm/mach/map.h>
@ -327,8 +328,15 @@ static void __init at91sam9260_ioremap_registers(void)
at91sam9_ioremap_smc(0, AT91SAM9260_BASE_SMC); at91sam9_ioremap_smc(0, AT91SAM9260_BASE_SMC);
} }
static void at91sam9260_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void __init at91sam9260_initialize(void) static void __init at91sam9260_initialize(void)
{ {
arm_pm_idle = at91sam9260_idle;
arm_pm_restart = at91sam9_alt_restart; arm_pm_restart = at91sam9_alt_restart;
at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1) at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1)
| (1 << AT91SAM9260_ID_IRQ2); | (1 << AT91SAM9260_ID_IRQ2);

8
arch/arm/mach-at91/at91sam9261.c
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@ -12,6 +12,7 @@
#include <linux/module.h> #include <linux/module.h>
#include <asm/proc-fns.h>
#include <asm/irq.h> #include <asm/irq.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <asm/mach/map.h> #include <asm/mach/map.h>
@ -285,8 +286,15 @@ static void __init at91sam9261_ioremap_registers(void)
at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC); at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC);
} }
static void at91sam9261_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void __init at91sam9261_initialize(void) static void __init at91sam9261_initialize(void)
{ {
arm_pm_idle = at91sam9261_idle;
arm_pm_restart = at91sam9_alt_restart; arm_pm_restart = at91sam9_alt_restart;
at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1) at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)
| (1 << AT91SAM9261_ID_IRQ2); | (1 << AT91SAM9261_ID_IRQ2);

8
arch/arm/mach-at91/at91sam9263.c
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@ -12,6 +12,7 @@
#include <linux/module.h> #include <linux/module.h>
#include <asm/proc-fns.h>
#include <asm/irq.h> #include <asm/irq.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <asm/mach/map.h> #include <asm/mach/map.h>
@ -306,8 +307,15 @@ static void __init at91sam9263_ioremap_registers(void)
at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1); at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1);
} }
static void at91sam9263_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void __init at91sam9263_initialize(void) static void __init at91sam9263_initialize(void)
{ {
arm_pm_idle = at91sam9263_idle;
arm_pm_restart = at91sam9_alt_restart; arm_pm_restart = at91sam9_alt_restart;
at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1); at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1);

7
arch/arm/mach-at91/at91sam9g45.c
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@ -318,6 +318,12 @@ static struct at91_gpio_bank at91sam9g45_gpio[] __initdata = {
} }
}; };
static void at91sam9g45_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void at91sam9g45_restart(char mode, const char *cmd) static void at91sam9g45_restart(char mode, const char *cmd)
{ {
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
@ -342,6 +348,7 @@ static void __init at91sam9g45_ioremap_registers(void)
static void __init at91sam9g45_initialize(void) static void __init at91sam9g45_initialize(void)
{ {
arm_pm_idle = at91sam9g45_idle;
arm_pm_restart = at91sam9g45_restart; arm_pm_restart = at91sam9g45_restart;
at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0); at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0);

8
arch/arm/mach-at91/at91sam9rl.c
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@ -11,6 +11,7 @@
#include <linux/module.h> #include <linux/module.h>
#include <asm/proc-fns.h>
#include <asm/irq.h> #include <asm/irq.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <asm/mach/map.h> #include <asm/mach/map.h>
@ -290,8 +291,15 @@ static void __init at91sam9rl_ioremap_registers(void)
at91sam9_ioremap_smc(0, AT91SAM9RL_BASE_SMC); at91sam9_ioremap_smc(0, AT91SAM9RL_BASE_SMC);
} }
static void at91sam9rl_idle(void)
{
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
cpu_do_idle();
}
static void __init at91sam9rl_initialize(void) static void __init at91sam9rl_initialize(void)
{ {
arm_pm_idle = at91sam9rl_idle;
arm_pm_restart = at91sam9_alt_restart; arm_pm_restart = at91sam9_alt_restart;
at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0); at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0);

12
arch/arm/mach-at91/at91x40.c
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@ -13,6 +13,7 @@
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/irq.h> #include <linux/irq.h>
#include <asm/proc-fns.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <mach/at91x40.h> #include <mach/at91x40.h>
#include <mach/at91_st.h> #include <mach/at91_st.h>
@ -37,8 +38,19 @@ unsigned long clk_get_rate(struct clk *clk)
return AT91X40_MASTER_CLOCK; return AT91X40_MASTER_CLOCK;
} }
static void at91x40_idle(void)
{
/*
* Disable the processor clock. The processor will be automatically
* re-enabled by an interrupt or by a reset.
*/
at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU);
cpu_do_idle();
}
void __init at91x40_initialize(unsigned long main_clock) void __init at91x40_initialize(unsigned long main_clock)
{ {
arm_pm_idle = at91x40_idle;
at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1) at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1)
| (1 << AT91X40_ID_IRQ2); | (1 << AT91X40_ID_IRQ2);
} }

21
arch/arm/mach-at91/include/mach/system.h
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@ -21,30 +21,9 @@
#ifndef __ASM_ARCH_SYSTEM_H #ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H #define __ASM_ARCH_SYSTEM_H
#include <mach/hardware.h>
#include <mach/at91_st.h>
#include <mach/at91_dbgu.h>
#include <mach/at91_pmc.h>
static inline void arch_idle(void) static inline void arch_idle(void)
{ {
/*
* Disable the processor clock. The processor will be automatically
* re-enabled by an interrupt or by a reset.
*/
#ifdef AT91_PS
at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU);
#else
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
#endif
#ifndef CONFIG_CPU_ARM920T
/*
* Set the processor (CP15) into 'Wait for Interrupt' mode.
* Post-RM9200 processors need this in conjunction with the above
* to save power when idle.
*/
cpu_do_idle(); cpu_do_idle();
#endif
} }
#endif #endif