45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* arch/arm/mach-kirkwood/irq.c
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*
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* Kirkwood IRQ handling.
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/gpio.h>
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#include <linux/kernel.h>
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#include <linux/irq.h>
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#include <linux/io.h>
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#include <mach/bridge-regs.h>
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#include <plat/orion-gpio.h>
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#include <plat/irq.h>
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static int __initdata gpio0_irqs[4] = {
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IRQ_KIRKWOOD_GPIO_LOW_0_7,
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IRQ_KIRKWOOD_GPIO_LOW_8_15,
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IRQ_KIRKWOOD_GPIO_LOW_16_23,
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IRQ_KIRKWOOD_GPIO_LOW_24_31,
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};
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static int __initdata gpio1_irqs[4] = {
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IRQ_KIRKWOOD_GPIO_HIGH_0_7,
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IRQ_KIRKWOOD_GPIO_HIGH_8_15,
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IRQ_KIRKWOOD_GPIO_HIGH_16_23,
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0,
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};
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void __init kirkwood_init_irq(void)
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{
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orion_irq_init(0, IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF);
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orion_irq_init(32, IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF);
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/*
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* Initialize gpiolib for GPIOs 0-49.
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*/
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orion_gpio_init(NULL, 0, 32, GPIO_LOW_VIRT_BASE, 0,
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IRQ_KIRKWOOD_GPIO_START, gpio0_irqs);
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orion_gpio_init(NULL, 32, 18, GPIO_HIGH_VIRT_BASE, 0,
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IRQ_KIRKWOOD_GPIO_START + 32, gpio1_irqs);
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}
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