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authorMichal Simek <monstr@monstr.eu>2012-03-30 12:10:03 +0200
committerMichal Simek <monstr@monstr.eu>2012-03-30 12:10:03 +0200
commit6a4770e335bd4df0a4577146f76e116ab6e23f40 (patch)
tree305056c20b6ccf3a4fed00e9e32f3a1dd039cd70 /arch/arm/mach-at91/at91rm9200.c
parentmicroblaze: Fix stack usage in PAGE_SIZE copy_tofrom_user (diff)
parentMerge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh (diff)
downloadlinux-6a4770e335bd4df0a4577146f76e116ab6e23f40.tar.xz
linux-6a4770e335bd4df0a4577146f76e116ab6e23f40.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
Diffstat (limited to 'arch/arm/mach-at91/at91rm9200.c')
-rw-r--r--arch/arm/mach-at91/at91rm9200.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 99c3174e24a2..364c19357e60 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -15,6 +15,7 @@
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <asm/system_misc.h>
#include <mach/at91rm9200.h>
#include <mach/at91_pmc.h>
#include <mach/at91_st.h>
@@ -289,13 +290,22 @@ 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_pmc_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+}
+
static void at91rm9200_restart(char mode, const char *cmd)
{
/*
* Perform a hardware reset with the use of the Watchdog timer.
*/
- at91_sys_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
- at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
+ at91_st_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
+ at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
}
/* --------------------------------------------------------------------
@@ -310,10 +320,13 @@ static void __init at91rm9200_map_io(void)
static void __init at91rm9200_ioremap_registers(void)
{
+ at91rm9200_ioremap_st(AT91RM9200_BASE_ST);
+ at91_ioremap_ramc(0, AT91RM9200_BASE_MC, 256);
}
static void __init at91rm9200_initialize(void)
{
+ arm_pm_idle = at91rm9200_idle;
arm_pm_restart = at91rm9200_restart;
at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1)
| (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3)