diff options
author | Dmitry Torokhov <dtor@insightbb.com> | 2006-09-19 01:56:44 -0400 |
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committer | Dmitry Torokhov <dtor@insightbb.com> | 2006-09-19 01:56:44 -0400 |
commit | 0612ec48762bf8712db1925b2e67246d2237ebab (patch) | |
tree | 01b0d69c9c9915015c0f23ad4263646dd5413e99 /arch/arm/mach-at91rm9200/irq.c | |
parent | 4263cf0fac28122c8381b6f4f9441a43cd93c81f (diff) | |
parent | 47a5c6fa0e204a2b63309c648bb2fde36836c826 (diff) |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/arm/mach-at91rm9200/irq.c')
-rw-r--r-- | arch/arm/mach-at91rm9200/irq.c | 71 |
1 files changed, 15 insertions, 56 deletions
diff --git a/arch/arm/mach-at91rm9200/irq.c b/arch/arm/mach-at91rm9200/irq.c index dcd560dbcfb7..c3a5e777f9f8 100644 --- a/arch/arm/mach-at91rm9200/irq.c +++ b/arch/arm/mach-at91rm9200/irq.c @@ -36,58 +36,20 @@ #include "generic.h" -/* - * The default interrupt priority levels (0 = lowest, 7 = highest). - */ -static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = { - 7, /* Advanced Interrupt Controller */ - 7, /* System Peripheral */ - 0, /* Parallel IO Controller A */ - 0, /* Parallel IO Controller B */ - 0, /* Parallel IO Controller C */ - 0, /* Parallel IO Controller D */ - 6, /* USART 0 */ - 6, /* USART 1 */ - 6, /* USART 2 */ - 6, /* USART 3 */ - 0, /* Multimedia Card Interface */ - 4, /* USB Device Port */ - 0, /* Two-Wire Interface */ - 6, /* Serial Peripheral Interface */ - 5, /* Serial Synchronous Controller */ - 5, /* Serial Synchronous Controller */ - 5, /* Serial Synchronous Controller */ - 0, /* Timer Counter 0 */ - 0, /* Timer Counter 1 */ - 0, /* Timer Counter 2 */ - 0, /* Timer Counter 3 */ - 0, /* Timer Counter 4 */ - 0, /* Timer Counter 5 */ - 3, /* USB Host port */ - 3, /* Ethernet MAC */ - 0, /* Advanced Interrupt Controller */ - 0, /* Advanced Interrupt Controller */ - 0, /* Advanced Interrupt Controller */ - 0, /* Advanced Interrupt Controller */ - 0, /* Advanced Interrupt Controller */ - 0, /* Advanced Interrupt Controller */ - 0 /* Advanced Interrupt Controller */ -}; - -static void at91rm9200_mask_irq(unsigned int irq) +static void at91_aic_mask_irq(unsigned int irq) { /* Disable interrupt on AIC */ at91_sys_write(AT91_AIC_IDCR, 1 << irq); } -static void at91rm9200_unmask_irq(unsigned int irq) +static void at91_aic_unmask_irq(unsigned int irq) { /* Enable interrupt on AIC */ at91_sys_write(AT91_AIC_IECR, 1 << irq); } -static int at91rm9200_irq_type(unsigned irq, unsigned type) +static int at91_aic_set_type(unsigned irq, unsigned type) { unsigned int smr, srctype; @@ -122,7 +84,7 @@ static int at91rm9200_irq_type(unsigned irq, unsigned type) static u32 wakeups; static u32 backups; -static int at91rm9200_irq_set_wake(unsigned irq, unsigned value) +static int at91_aic_set_wake(unsigned irq, unsigned value) { if (unlikely(irq >= 32)) return -EINVAL; @@ -149,28 +111,25 @@ void at91_irq_resume(void) } #else -#define at91rm9200_irq_set_wake NULL +#define at91_aic_set_wake NULL #endif -static struct irqchip at91rm9200_irq_chip = { - .ack = at91rm9200_mask_irq, - .mask = at91rm9200_mask_irq, - .unmask = at91rm9200_unmask_irq, - .set_type = at91rm9200_irq_type, - .set_wake = at91rm9200_irq_set_wake, +static struct irq_chip at91_aic_chip = { + .name = "AIC", + .ack = at91_aic_mask_irq, + .mask = at91_aic_mask_irq, + .unmask = at91_aic_unmask_irq, + .set_type = at91_aic_set_type, + .set_wake = at91_aic_set_wake, }; /* * Initialize the AIC interrupt controller. */ -void __init at91rm9200_init_irq(unsigned int priority[NR_AIC_IRQS]) +void __init at91_aic_init(unsigned int priority[NR_AIC_IRQS]) { unsigned int i; - /* No priority list specified for this board -> use defaults */ - if (priority == NULL) - priority = at91rm9200_default_irq_priority; - /* * The IVR is used by macro get_irqnr_and_base to read and verify. * The irq number is NR_AIC_IRQS when a spurious interrupt has occurred. @@ -178,10 +137,10 @@ void __init at91rm9200_init_irq(unsigned int priority[NR_AIC_IRQS]) for (i = 0; i < NR_AIC_IRQS; i++) { /* Put irq number in Source Vector Register: */ at91_sys_write(AT91_AIC_SVR(i), i); - /* Store the Source Mode Register as defined in table above */ + /* Active Low interrupt, with the specified priority */ at91_sys_write(AT91_AIC_SMR(i), AT91_AIC_SRCTYPE_LOW | priority[i]); - set_irq_chip(i, &at91rm9200_irq_chip); + set_irq_chip(i, &at91_aic_chip); set_irq_handler(i, do_level_IRQ); set_irq_flags(i, IRQF_VALID | IRQF_PROBE); |