diff options
| author | David Anders <danders@amltd.com> | 2006-09-26 20:46:00 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-09-28 02:44:33 +0400 |
| commit | 26f908186f923291999833e9d563259834bdca06 (patch) | |
| tree | 3fd7656ade08d17d6213fdaa27c86bda6f4b0b8b /arch/arm/mach-s3c2410/s3c2410-pm.c | |
| parent | ea33a59802f8fd21d24fbf5c906bc3f399bcca00 (diff) | |
| download | linux-26f908186f923291999833e9d563259834bdca06.tar.xz | |
[ARM] 3862/2: S3C2410 - add basic power management support for AML M5900 series
this patch registers the wakeup irq, sets a gpio pin to indicate the
status of system for suspend/resume operations, and adds the machine to
the supported machines for use with the simtec-pm
Signed-off-by: David Anders <danders@amltd.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-s3c2410/s3c2410-pm.c')
| -rw-r--r-- | arch/arm/mach-s3c2410/s3c2410-pm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/s3c2410-pm.c b/arch/arm/mach-s3c2410/s3c2410-pm.c index 3080d25a12de..e51d76669512 100644 --- a/arch/arm/mach-s3c2410/s3c2410-pm.c +++ b/arch/arm/mach-s3c2410/s3c2410-pm.c @@ -29,6 +29,8 @@ #include <asm/hardware.h> #include <asm/io.h> +#include <asm/mach-types.h> + #include <asm/arch/regs-gpio.h> #include "cpu.h" @@ -49,6 +51,10 @@ static void s3c2410_pm_prepare(void) DBG("GSTATUS3 0x%08x\n", __raw_readl(S3C2410_GSTATUS3)); DBG("GSTATUS4 0x%08x\n", __raw_readl(S3C2410_GSTATUS4)); + + if ( machine_is_aml_m5900() ) + s3c2410_gpio_setpin(S3C2410_GPF2, 1); + } int s3c2410_pm_resume(struct sys_device *dev) @@ -61,6 +67,9 @@ int s3c2410_pm_resume(struct sys_device *dev) tmp &= S3C2410_GSTATUS2_OFFRESET; __raw_writel(tmp, S3C2410_GSTATUS2); + if ( machine_is_aml_m5900() ) + s3c2410_gpio_setpin(S3C2410_GPF2, 0); + return 0; } |