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[ARM] 4436/1: PXA: move low IRQ initialization code to pxa_init_irq_low() 

1. move low IRQ initialization code to pxa_init_irq_low()

Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Eric Miao 2007-06-06 06:36:04 +01:00 committed by Russell King
parent c08b7b3ef6
commit 53665a50fd
1 changed files with 21 additions and 15 deletions
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36
arch/arm/mach-pxa/irq.c
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@ -67,6 +67,26 @@ static struct irq_chip pxa_internal_chip_low = {
.set_wake = pxa_set_wake, .set_wake = pxa_set_wake,
}; };
void __init pxa_init_irq_low(void)
{
int irq;
/* disable all IRQs */
ICMR = 0;
/* all IRQs are IRQ, not FIQ */
ICLR = 0;
/* 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);
}
}
#ifdef CONFIG_PXA27x #ifdef CONFIG_PXA27x
/* /*
@ -331,12 +351,6 @@ void __init pxa_init_irq(void)
{ {
int irq; int irq;
/* disable all IRQs */
ICMR = 0;
/* all IRQs are IRQ, not FIQ */
ICLR = 0;
/* clear all GPIO edge detects */ /* clear all GPIO edge detects */
GFER0 = 0; GFER0 = 0;
GFER1 = 0; GFER1 = 0;
@ -355,18 +369,10 @@ void __init pxa_init_irq(void)
GEDR3 = GEDR3; GEDR3 = GEDR3;
#endif #endif
/* only unmasked interrupts kick us out of idle */
ICCR = 1;
/* GPIO 0 and 1 must have their mask bit always set */ /* GPIO 0 and 1 must have their mask bit always set */
GPIO_IRQ_mask[0] = 3; GPIO_IRQ_mask[0] = 3;
for (irq = PXA_IRQ(0); irq <= PXA_IRQ(31); irq++) { pxa_init_irq_low();
set_irq_chip(irq, &pxa_internal_chip_low);
set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
}
#ifdef CONFIG_PXA27x #ifdef CONFIG_PXA27x
pxa_init_irq_high(); pxa_init_irq_high();
#endif #endif