diff options
Diffstat (limited to 'arch/arm/mach-pxa/mainstone.c')
| -rw-r--r-- | arch/arm/mach-pxa/mainstone.c | 40 |
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)") |