diff options
| author | Andrew Victor <linux@maxim.org.za> | 2008-04-03 00:36:06 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-04 12:52:19 +0400 |
| commit | 3ef2fb426775fc2ae19b70c318dbdf4a0aeeced7 (patch) | |
| tree | edf90c662cfd9c4e9106eaef6a71a042200b8f78 /arch/arm/mach-at91/at91cap9.c | |
| parent | b78eabde89f9b19d463a77abe420508c0ef29249 (diff) | |
| download | linux-3ef2fb426775fc2ae19b70c318dbdf4a0aeeced7.tar.xz | |
[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/at91cap9.c')
| -rw-r--r-- | arch/arm/mach-at91/at91cap9.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index 48d27d8000b0..933fa8f55cbc 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -13,12 +13,14 @@ */ #include <linux/module.h> +#include <linux/pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/arch/at91cap9.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" @@ -288,6 +290,12 @@ static void at91cap9_reset(void) at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } +static void at91cap9_poweroff(void) +{ + at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); +} + + /* -------------------------------------------------------------------- * AT91CAP9 processor initialization * -------------------------------------------------------------------- */ @@ -298,6 +306,7 @@ void __init at91cap9_initialize(unsigned long main_clock) iotable_init(at91cap9_io_desc, ARRAY_SIZE(at91cap9_io_desc)); at91_arch_reset = at91cap9_reset; + pm_power_off = at91cap9_poweroff; at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1); /* Init clock subsystem */ |