1/*
2 * arch/arm/mach-mv78xx0/irq.c
3 *
4 * MV78xx0 IRQ handling.
5 *
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.
9 */
10#include <linux/gpio.h>
11#include <linux/kernel.h>
12#include <linux/irq.h>
13#include <linux/io.h>
14#include <mach/bridge-regs.h>
15#include <plat/orion-gpio.h>
16#include <plat/irq.h>
17#include "common.h"
18
19static int __initdata gpio0_irqs[4] = {
20	IRQ_MV78XX0_GPIO_0_7,
21	IRQ_MV78XX0_GPIO_8_15,
22	IRQ_MV78XX0_GPIO_16_23,
23	IRQ_MV78XX0_GPIO_24_31,
24};
25
26void __init mv78xx0_init_irq(void)
27{
28	orion_irq_init(0, IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF);
29	orion_irq_init(32, IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF);
30	orion_irq_init(64, IRQ_VIRT_BASE + IRQ_MASK_ERR_OFF);
31
32	/*
33	 * Initialize gpiolib for GPIOs 0-31.  (The GPIO interrupt mask
34	 * registers for core #1 are at an offset of 0x18 from those of
35	 * core #0.)
36	 */
37	orion_gpio_init(NULL, 0, 32, GPIO_VIRT_BASE,
38			mv78xx0_core_index() ? 0x18 : 0,
39			IRQ_MV78XX0_GPIO_START, gpio0_irqs);
40}
41