xref: /linux/arch/arm/mach-orion5x/irq.c (revision 9429ec96c2718c0d1e3317cf60a87a0405223814)
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 <mach/bridge-regs.h>
16 #include <plat/irq.h>
17 
18 static int __initdata gpio0_irqs[4] = {
19 	IRQ_ORION5X_GPIO_0_7,
20 	IRQ_ORION5X_GPIO_8_15,
21 	IRQ_ORION5X_GPIO_16_23,
22 	IRQ_ORION5X_GPIO_24_31,
23 };
24 
25 void __init orion5x_init_irq(void)
26 {
27 	orion_irq_init(0, (void __iomem *)MAIN_IRQ_MASK);
28 
29 	/*
30 	 * Initialize gpiolib for GPIOs 0-31.
31 	 */
32 	orion_gpio_init(NULL, 0, 32, (void __iomem *)GPIO_VIRT_BASE, 0,
33 			IRQ_ORION5X_GPIO_START, gpio0_irqs);
34 }
35