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Diffstat (limited to 'arch/arm/mach-kirkwood/irq.c')
-rw-r--r--arch/arm/mach-kirkwood/irq.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/arch/arm/mach-kirkwood/irq.c b/arch/arm/mach-kirkwood/irq.c
index 28020ab..cbdb586 100644
--- a/arch/arm/mach-kirkwood/irq.c
+++ b/arch/arm/mach-kirkwood/irq.c
@@ -27,31 +27,21 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
void __init kirkwood_init_irq(void)
{
- int i;
-
orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF));
orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF));
/*
- * Mask and clear GPIO IRQ interrupts.
+ * Initialize gpiolib for GPIOs 0-49.
*/
- writel(0, GPIO_LEVEL_MASK(0));
- writel(0, GPIO_EDGE_MASK(0));
- writel(0, GPIO_EDGE_CAUSE(0));
- writel(0, GPIO_LEVEL_MASK(32));
- writel(0, GPIO_EDGE_MASK(32));
- writel(0, GPIO_EDGE_CAUSE(32));
-
- for (i = IRQ_KIRKWOOD_GPIO_START; i < NR_IRQS; i++) {
- set_irq_chip(i, &orion_gpio_irq_chip);
- set_irq_handler(i, handle_level_irq);
- irq_desc[i].status |= IRQ_LEVEL;
- set_irq_flags(i, IRQF_VALID);
- }
+ orion_gpio_init(0, 32, GPIO_LOW_VIRT_BASE, 0,
+ IRQ_KIRKWOOD_GPIO_START);
set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_0_7, gpio_irq_handler);
set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_8_15, gpio_irq_handler);
set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_16_23, gpio_irq_handler);
set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_24_31, gpio_irq_handler);
+
+ orion_gpio_init(32, 18, GPIO_HIGH_VIRT_BASE, 0,
+ IRQ_KIRKWOOD_GPIO_START + 32);
set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_0_7, gpio_irq_handler);
set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_8_15, gpio_irq_handler);
set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_16_23, gpio_irq_handler);