xref: /openbmc/linux/arch/arm/mach-orion5x/irq.c (revision b34e08d5)
1 /*
2  * arch/arm/mach-orion5x/irq.c
3  *
4  * Core IRQ functions for Marvell Orion System On Chip
5  *
6  * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
7  *
8  * This file is licensed under the terms of the GNU General Public
9  * License version 2.  This program is licensed "as is" without any
10  * warranty of any kind, whether express or implied.
11  */
12 #include <linux/gpio.h>
13 #include <linux/kernel.h>
14 #include <linux/irq.h>
15 #include <linux/io.h>
16 #include <mach/bridge-regs.h>
17 #include <plat/orion-gpio.h>
18 #include <plat/irq.h>
19 #include "common.h"
20 
21 static int __initdata gpio0_irqs[4] = {
22 	IRQ_ORION5X_GPIO_0_7,
23 	IRQ_ORION5X_GPIO_8_15,
24 	IRQ_ORION5X_GPIO_16_23,
25 	IRQ_ORION5X_GPIO_24_31,
26 };
27 
28 void __init orion5x_init_irq(void)
29 {
30 	orion_irq_init(0, MAIN_IRQ_MASK);
31 
32 	/*
33 	 * Initialize gpiolib for GPIOs 0-31.
34 	 */
35 	orion_gpio_init(NULL, 0, 32, GPIO_VIRT_BASE, 0,
36 			IRQ_ORION5X_GPIO_START, gpio0_irqs);
37 }
38