2 * arch/arm/mach-kirkwood/irq.c
4 * Kirkwood IRQ handling.
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
10 #include <linux/gpio.h>
11 #include <linux/kernel.h>
12 #include <linux/irq.h>
13 #include <mach/bridge-regs.h>
14 #include <plat/orion-gpio.h>
17 static int __initdata gpio0_irqs[4] = {
18 IRQ_KIRKWOOD_GPIO_LOW_0_7,
19 IRQ_KIRKWOOD_GPIO_LOW_8_15,
20 IRQ_KIRKWOOD_GPIO_LOW_16_23,
21 IRQ_KIRKWOOD_GPIO_LOW_24_31,
24 static int __initdata gpio1_irqs[4] = {
25 IRQ_KIRKWOOD_GPIO_HIGH_0_7,
26 IRQ_KIRKWOOD_GPIO_HIGH_8_15,
27 IRQ_KIRKWOOD_GPIO_HIGH_16_23,
31 void __init kirkwood_init_irq(void)
33 orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF));
34 orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF));
37 * Initialize gpiolib for GPIOs 0-49.
39 orion_gpio_init(NULL, 0, 32, (void __iomem *)GPIO_LOW_VIRT_BASE, 0,
40 IRQ_KIRKWOOD_GPIO_START, gpio0_irqs);
41 orion_gpio_init(NULL, 32, 18, (void __iomem *)GPIO_HIGH_VIRT_BASE, 0,
42 IRQ_KIRKWOOD_GPIO_START + 32, gpio1_irqs);