diff options
| author | Andrew Victor <linux@maxim.org.za> | 2008-04-02 21:36:06 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-04 09:52:19 +0100 |
| commit | 3ef2fb426775fc2ae19b70c318dbdf4a0aeeced7 (patch) | |
| tree | edf90c662cfd9c4e9106eaef6a71a042200b8f78 /arch/arm/mach-at91/at91sam9261.c | |
| parent | b78eabde89f9b19d463a77abe420508c0ef29249 (diff) | |
| download | kernel_samsung_smdk4412-3ef2fb426775fc2ae19b70c318dbdf4a0aeeced7.zip kernel_samsung_smdk4412-3ef2fb426775fc2ae19b70c318dbdf4a0aeeced7.tar.gz kernel_samsung_smdk4412-3ef2fb426775fc2ae19b70c318dbdf4a0aeeced7.tar.bz2 | |
[ARM] 4903/1: [AT91] SAM9/CAP9 system shutdown
Enable system shutdown/power-off on AT91SAM9 and AT91CAP9 based boards.
This does not require power-management to be enabled, and the
pm_power_off method can be overridden in board-specific files if
necessary.
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-at91/at91sam9261.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9261.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index 90b87e1..35bf6fd 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -11,12 +11,14 @@ */ #include <linux/module.h> +#include <linux/pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/arch/at91sam9261.h> #include <asm/arch/at91_pmc.h> #include <asm/arch/at91_rstc.h> +#include <asm/arch/at91_shdwc.h> #include "generic.h" #include "clock.h" @@ -245,6 +247,11 @@ static void at91sam9261_reset(void) at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } +static void at91sam9261_poweroff(void) +{ + at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); +} + /* -------------------------------------------------------------------- * AT91SAM9261 processor initialization @@ -256,6 +263,7 @@ void __init at91sam9261_initialize(unsigned long main_clock) iotable_init(at91sam9261_io_desc, ARRAY_SIZE(at91sam9261_io_desc)); at91_arch_reset = at91sam9261_reset; + pm_power_off = at91sam9261_poweroff; at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1) | (1 << AT91SAM9261_ID_IRQ2); |