arch/arm/mach-orion5x/irq.c

   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 }