summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/tosa.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-pxa/tosa.c')
-rw-r--r--arch/arm/mach-pxa/tosa.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 76c0e7f0a21..249353616ab 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -19,12 +19,15 @@
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/mmc/host.h>
+#include <linux/pm.h>
+#include <linux/delay.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>
+#include <asm/system.h>
#include <asm/arch/irda.h>
#include <asm/arch/mmc.h>
#include <asm/arch/udc.h>
@@ -182,7 +185,7 @@ static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int,
tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
- err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, SA_INTERRUPT,
+ err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, IRQF_DISABLED,
"MMC/SD card detect", data);
if (err) {
printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
@@ -266,8 +269,31 @@ static struct platform_device *devices[] __initdata = {
&tosaled_device,
};
+static void tosa_poweroff(void)
+{
+ RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+
+ pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT);
+ GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET);
+
+ mdelay(1000);
+ arm_machine_restart('h');
+}
+
+static void tosa_restart(char mode)
+{
+ /* Bootloader magic for a reboot */
+ if((MSC0 & 0xffff0000) == 0x7ff00000)
+ MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
+
+ tosa_poweroff();
+}
+
static void __init tosa_init(void)
{
+ pm_power_off = tosa_poweroff;
+ arm_pm_restart = tosa_restart;
+
pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN);
pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN);
pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN);