diff options
Diffstat (limited to 'arch/m68knommu/platform/68328/ints.c')
| -rw-r--r-- | arch/m68knommu/platform/68328/ints.c | 72 |
1 files changed, 40 insertions, 32 deletions
diff --git a/arch/m68knommu/platform/68328/ints.c b/arch/m68knommu/platform/68328/ints.c index 72e56d554f4f..b91ee85d4b5d 100644 --- a/arch/m68knommu/platform/68328/ints.c +++ b/arch/m68knommu/platform/68328/ints.c @@ -73,34 +73,6 @@ extern e_vector *_ramvec; /* The number of spurious interrupts */ volatile unsigned int num_spurious; -/* - * This function should be called during kernel startup to initialize - * the machine vector table. - */ -void __init init_vectors(void) -{ - int i; - - /* set up the vectors */ - for (i = 72; i < 256; ++i) - _ramvec[i] = (e_vector) bad_interrupt; - - _ramvec[32] = system_call; - - _ramvec[65] = (e_vector) inthandler1; - _ramvec[66] = (e_vector) inthandler2; - _ramvec[67] = (e_vector) inthandler3; - _ramvec[68] = (e_vector) inthandler4; - _ramvec[69] = (e_vector) inthandler5; - _ramvec[70] = (e_vector) inthandler6; - _ramvec[71] = (e_vector) inthandler7; - - IVR = 0x40; /* Set DragonBall IVR (interrupt base) to 64 */ - - /* turn off all interrupts */ - IMR = ~0; -} - /* The 68k family did not have a good way to determine the source * of interrupts until later in the family. The EC000 core does * not provide the vector number on the stack, we vector everything @@ -163,18 +135,54 @@ void process_int(int vec, struct pt_regs *fp) } } -void enable_vector(unsigned int irq) +static void intc_irq_unmask(unsigned int irq) { IMR &= ~(1<<irq); } -void disable_vector(unsigned int irq) +static void intc_irq_mask(unsigned int irq) { IMR |= (1<<irq); } -void ack_vector(unsigned int irq) +static struct irq_chip intc_irq_chip = { + .name = "M68K-INTC", + .mask = intc_irq_mask, + .unmask = intc_irq_unmask, +}; + +/* + * This function should be called during kernel startup to initialize + * the machine vector table. + */ +void __init init_IRQ(void) { - /* Nothing needed */ + int i; + + /* set up the vectors */ + for (i = 72; i < 256; ++i) + _ramvec[i] = (e_vector) bad_interrupt; + + _ramvec[32] = system_call; + + _ramvec[65] = (e_vector) inthandler1; + _ramvec[66] = (e_vector) inthandler2; + _ramvec[67] = (e_vector) inthandler3; + _ramvec[68] = (e_vector) inthandler4; + _ramvec[69] = (e_vector) inthandler5; + _ramvec[70] = (e_vector) inthandler6; + _ramvec[71] = (e_vector) inthandler7; + + IVR = 0x40; /* Set DragonBall IVR (interrupt base) to 64 */ + + /* turn off all interrupts */ + IMR = ~0; + + for (i = 0; (i < NR_IRQS); i++) { + irq_desc[i].status = IRQ_DISABLED; + irq_desc[i].action = NULL; + irq_desc[i].depth = 1; + irq_desc[i].chip = &intc_irq_chip; + } } |