1 files changed, 39 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 3f952237ae3d..9896afca751f 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -15,6 +15,7 @@
 
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/sysdev.h>
 #include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/bitops.h>
@@ -62,7 +63,6 @@ static struct irqchip mainstone_irq_chip = {
         .unmask         = mainstone_unmask_irq,
 };
 
-
 static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc,
                                   struct pt_regs *regs)
 {
@@ -100,6 +100,35 @@ static void __init mainstone_init_irq(void)
         set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
 }
 
+#ifdef CONFIG_PM
+
+static int mainstone_irq_resume(struct sys_device *dev)
+{
+        MST_INTMSKENA = mainstone_irq_enabled;
+        return 0;
+}
+
+static struct sysdev_class mainstone_irq_sysclass = {
+        set_kset_name("cpld_irq"),
+        .resume = mainstone_irq_resume,
+};
+
+static struct sys_device mainstone_irq_device = {
+        .cls = &mainstone_irq_sysclass,
+};
+
+static int __init mainstone_irq_device_init(void)
+{
+        int ret = sysdev_class_register(&mainstone_irq_sysclass);
+        if (ret == 0)
+                ret = sysdev_register(&mainstone_irq_device);
+        return ret;
+}
+
+device_initcall(mainstone_irq_device_init);
+
+#endif
+
 
 static struct resource smc91x_resources[] = {
         [0] = {
@@ -304,6 +333,15 @@ static void __init mainstone_map_io(void)
         PWER  = 0xC0000002;
         PRER  = 0x00000002;
         PFER  = 0x00000002;
+        /*      for use I SRAM as framebuffer.  */
+        PSLR |= 0xF04;
+        PCFR = 0x66;
+        /*      For Keypad wakeup.      */
+        KPC &=~KPC_ASACT;
+        KPC |=KPC_AS;
+        PKWR  = 0x000FD000;
+        /*      Need read PKWR back after set it.       */
+        PKWR;
 }
 
 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")