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| author | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2008-02-24 23:24:26 +0100 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-04-19 20:40:07 -0400 |
| commit | 7e59128f31e0c57d52e86d57730d4c9281494dda (patch) | |
| tree | da5aa2af13d8990b5333ad8807335cd3e374fdda /include/asm-avr32 | |
| parent | 02f99d1ca70d190ce12d040971819be22ea710c8 (diff) | |
| download | linux-7e59128f31e0c57d52e86d57730d4c9281494dda.tar.gz | |
avr32: Move sleep code into mach-at32ap
Create a new file, pm-at32ap700x.S, in mach-at32ap and move the CPU idle sleep code there. Make it possible to disable the sleep code. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Diffstat (limited to 'include/asm-avr32')
| -rw-r--r-- | include/asm-avr32/arch-at32ap/pm.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-avr32/arch-at32ap/pm.h b/include/asm-avr32/arch-at32ap/pm.h new file mode 100644 index 000000000000..356e43064903 --- /dev/null +++ b/include/asm-avr32/arch-at32ap/pm.h @@ -0,0 +1,48 @@ +/* + * AVR32 AP Power Management. + * + * Copyright (C) 2008 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_AVR32_ARCH_PM_H +#define __ASM_AVR32_ARCH_PM_H + +/* Possible arguments to the "sleep" instruction */ +#define CPU_SLEEP_IDLE 0 +#define CPU_SLEEP_FROZEN 1 +#define CPU_SLEEP_STANDBY 2 +#define CPU_SLEEP_STOP 3 +#define CPU_SLEEP_STATIC 5 + +#ifndef __ASSEMBLY__ +extern void cpu_enter_idle(void); + +extern bool disable_idle_sleep; + +static inline void cpu_disable_idle_sleep(void) +{ + disable_idle_sleep = true; +} + +static inline void cpu_enable_idle_sleep(void) +{ + disable_idle_sleep = false; +} + +static inline void cpu_idle_sleep(void) +{ + /* + * If we're using the COUNT and COMPARE registers for + * timekeeping, we can't use the IDLE state. + */ + if (disable_idle_sleep) + cpu_relax(); + else + cpu_enter_idle(); +} +#endif + +#endif /* __ASM_AVR32_ARCH_PM_H */ |