diff options
| -rw-r--r-- | arch/arm/mach-pxa/generic.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/irq.c | 117 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa25x.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa27x.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa3xx.c | 7 | ||||
| -rw-r--r-- | include/asm-arm/arch-pxa/pxa-regs.h | 11 |
6 files changed, 42 insertions, 105 deletions
diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h index cbe6693b1b6..0e3e058296f 100644 --- a/arch/arm/mach-pxa/generic.h +++ b/arch/arm/mach-pxa/generic.h @@ -12,8 +12,7 @@ struct sys_timer; extern struct sys_timer pxa_timer; -extern void __init pxa_init_irq_low(void); -extern void __init pxa_init_irq_high(void); +extern void __init pxa_init_irq(int irq_nr); extern void __init pxa_init_irq_gpio(int gpio_nr); extern void __init pxa_init_irq_set_wake(int (*set_wake)(unsigned int, unsigned int)); extern void __init pxa_init_gpio_set_wake(int (*set_wake)(unsigned int, unsigned int)); diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index da3a44a4249..cccc3ed3c67 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -24,92 +24,57 @@ #include "generic.h" +#define IRQ_BIT(n) (((n) - PXA_IRQ(0)) & 0x1f) +#define _ICMR(n) (*((((n) - PXA_IRQ(0)) & ~0x1f) ? &ICMR2 : &ICMR)) +#define _ICLR(n) (*((((n) - PXA_IRQ(0)) & ~0x1f) ? &ICLR2 : &ICLR)) /* * This is for peripheral IRQs internal to the PXA chip. */ -static void pxa_mask_low_irq(unsigned int irq) +static int pxa_internal_irq_nr; + +static void pxa_mask_irq(unsigned int irq) { - ICMR &= ~(1 << irq); + _ICMR(irq) &= ~(1 << IRQ_BIT(irq)); } -static void pxa_unmask_low_irq(unsigned int irq) +static void pxa_unmask_irq(unsigned int irq) { - ICMR |= (1 << irq); + _ICMR(irq) |= 1 << IRQ_BIT(irq); } -static struct irq_chip pxa_internal_chip_low = { +static struct irq_chip pxa_internal_irq_chip = { .name = "SC", - .ack = pxa_mask_low_irq, - .mask = pxa_mask_low_irq, - .unmask = pxa_unmask_low_irq, + .ack = pxa_mask_irq, + .mask = pxa_mask_irq, + .unmask = pxa_unmask_irq, }; -void __init pxa_init_irq_low(void) +void __init pxa_init_irq(int irq_nr) { int irq; - /* disable all IRQs */ - ICMR = 0; + pxa_internal_irq_nr = irq_nr; - /* all IRQs are IRQ, not FIQ */ - ICLR = 0; + for (irq = 0; irq < irq_nr; irq += 32) { + _ICMR(irq) = 0; /* disable all IRQs */ + _ICLR(irq) = 0; /* all IRQs are IRQ, not FIQ */ + } /* only unmasked interrupts kick us out of idle */ ICCR = 1; - for (irq = PXA_IRQ(0); irq <= PXA_IRQ(31); irq++) { - set_irq_chip(irq, &pxa_internal_chip_low); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); - } -} - -#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) - -/* - * This is for the second set of internal IRQs as found on the PXA27x. - */ - -static void pxa_mask_high_irq(unsigned int irq) -{ - ICMR2 &= ~(1 << (irq - 32)); -} - -static void pxa_unmask_high_irq(unsigned int irq) -{ - ICMR2 |= (1 << (irq - 32)); -} - -static struct irq_chip pxa_internal_chip_high = { - .name = "SC-hi", - .ack = pxa_mask_high_irq, - .mask = pxa_mask_high_irq, - .unmask = pxa_unmask_high_irq, -}; - -void __init pxa_init_irq_high(void) -{ - int irq; - - ICMR2 = 0; - ICLR2 = 0; - - for (irq = PXA_IRQ(32); irq < PXA_IRQ(64); irq++) { - set_irq_chip(irq, &pxa_internal_chip_high); + for (irq = PXA_IRQ(0); irq < PXA_IRQ(irq_nr); irq++) { + set_irq_chip(irq, &pxa_internal_irq_chip); set_irq_handler(irq, handle_level_irq); set_irq_flags(irq, IRQF_VALID); } } -#endif void __init pxa_init_irq_set_wake(int (*set_wake)(unsigned int, unsigned int)) { - pxa_internal_chip_low.set_wake = set_wake; -#ifdef CONFIG_PXA27x - pxa_internal_chip_high.set_wake = set_wake; -#endif + pxa_internal_irq_chip.set_wake = set_wake; pxa_init_gpio_set_wake(set_wake); } @@ -118,19 +83,11 @@ static unsigned long saved_icmr[2]; static int pxa_irq_suspend(struct sys_device *dev, pm_message_t state) { - switch (dev->id) { - case 0: - saved_icmr[0] = ICMR; - ICMR = 0; - break; -#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) - case 1: - saved_icmr[1] = ICMR2; - ICMR2 = 0; - break; -#endif - default: - return -EINVAL; + int i, irq = PXA_IRQ(0); + + for (i = 0; irq < PXA_IRQ(pxa_internal_irq_nr); i++, irq += 32) { + saved_icmr[i] = _ICMR(irq); + _ICMR(irq) = 0; } return 0; @@ -138,22 +95,14 @@ static int pxa_irq_suspend(struct sys_device *dev, pm_message_t state) static int pxa_irq_resume(struct sys_device *dev) { - switch (dev->id) { - case 0: - ICMR = saved_icmr[0]; - ICLR = 0; - ICCR = 1; - break; -#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) - case 1: - ICMR2 = saved_icmr[1]; - ICLR2 = 0; - break; -#endif - default: - return -EINVAL; + int i, irq = PXA_IRQ(0); + + for (i = 0; irq < PXA_IRQ(pxa_internal_irq_nr); i++, irq += 32) { + _ICMR(irq) = saved_icmr[i]; + _ICLR(irq) = 0; } + ICCR = 1; return 0; } #else diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index f3799289b8f..bb0bf51f503 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -267,7 +267,7 @@ set_pwer: void __init pxa25x_init_irq(void) { - pxa_init_irq_low(); + pxa_init_irq(32); pxa_init_irq_gpio(85); pxa_init_irq_set_wake(pxa25x_set_wake); } diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index c186bd1f867..54d8448cad7 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -340,8 +340,7 @@ set_pwer: void __init pxa27x_init_irq(void) { - pxa_init_irq_low(); - pxa_init_irq_high(); + pxa_init_irq(34); pxa_init_irq_gpio(128); pxa_init_irq_set_wake(pxa27x_set_wake); } @@ -389,10 +388,6 @@ static struct platform_device *devices[] __initdata = { static struct sys_device pxa27x_sysdev[] = { { - .id = 0, - .cls = &pxa_irq_sysclass, - }, { - .id = 1, .cls = &pxa_irq_sysclass, }, { .cls = &pxa_gpio_sysclass, diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 93f3236b410..8f8179b2fc3 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -513,8 +513,7 @@ void __init pxa3xx_init_irq(void) value |= (1 << 6); __asm__ __volatile__("mcr p15, 0, %0, c15, c1, 0\n": :"r"(value)); - pxa_init_irq_low(); - pxa_init_irq_high(); + pxa_init_irq(56); pxa_init_irq_gpio(128); pxa3xx_init_irq_pm(); } @@ -538,10 +537,6 @@ static struct platform_device *devices[] __initdata = { static struct sys_device pxa3xx_sysdev[] = { { - .id = 0, - .cls = &pxa_irq_sysclass, - }, { - .id = 1, .cls = &pxa_irq_sysclass, }, { .cls = &pxa_gpio_sysclass, diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h index fd81e559f15..e659be4df3a 100644 --- a/include/asm-arm/arch-pxa/pxa-regs.h +++ b/include/asm-arm/arch-pxa/pxa-regs.h @@ -1129,6 +1129,11 @@ #define ICPR __REG(0x40D00010) /* Interrupt Controller Pending Register */ #define ICCR __REG(0x40D00014) /* Interrupt Controller Control Register */ +#define ICIP2 __REG(0x40D0009C) /* Interrupt Controller IRQ Pending Register 2 */ +#define ICMR2 __REG(0x40D000A0) /* Interrupt Controller Mask Register 2 */ +#define ICLR2 __REG(0x40D000A4) /* Interrupt Controller Level Register 2 */ +#define ICFP2 __REG(0x40D000A8) /* Interrupt Controller FIQ Pending Register 2 */ +#define ICPR2 __REG(0x40D000AC) /* Interrupt Controller Pending Register 2 */ /* * General Purpose I/O @@ -1200,12 +1205,6 @@ /* Interrupt Controller */ -#define ICIP2 __REG(0x40D0009C) /* Interrupt Controller IRQ Pending Register 2 */ -#define ICMR2 __REG(0x40D000A0) /* Interrupt Controller Mask Register 2 */ -#define ICLR2 __REG(0x40D000A4) /* Interrupt Controller Level Register 2 */ -#define ICFP2 __REG(0x40D000A8) /* Interrupt Controller FIQ Pending Register 2 */ -#define ICPR2 __REG(0x40D000AC) /* Interrupt Controller Pending Register 2 */ - #define _GPLR(x) __REG2(0x40E00000, ((x) & 0x60) >> 3) #define _GPDR(x) __REG2(0x40E0000C, ((x) & 0x60) >> 3) #define _GPSR(x) __REG2(0x40E00018, ((x) & 0x60) >> 3) |