x86, efi: Set runtime_version to the EFI spec revision
[linux/fpc-iii.git] / arch / m68k / platform / coldfire / intc-5249.c
blobb0d1641053e4e3e6a995d4ef3c42f39626aa6017
1 /*
2 * intc2.c -- support for the 2nd INTC controller of the 5249
4 * (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file COPYING in the main directory of this archive
8 * for more details.
9 */
11 #include <linux/types.h>
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/interrupt.h>
15 #include <linux/irq.h>
16 #include <linux/io.h>
17 #include <asm/coldfire.h>
18 #include <asm/mcfsim.h>
20 static void intc2_irq_gpio_mask(struct irq_data *d)
22 u32 imr;
23 imr = readl(MCFSIM2_GPIOINTENABLE);
24 imr &= ~(0x1 << (d->irq - MCF_IRQ_GPIO0));
25 writel(imr, MCFSIM2_GPIOINTENABLE);
28 static void intc2_irq_gpio_unmask(struct irq_data *d)
30 u32 imr;
31 imr = readl(MCFSIM2_GPIOINTENABLE);
32 imr |= (0x1 << (d->irq - MCF_IRQ_GPIO0));
33 writel(imr, MCFSIM2_GPIOINTENABLE);
36 static void intc2_irq_gpio_ack(struct irq_data *d)
38 writel(0x1 << (d->irq - MCF_IRQ_GPIO0), MCFSIM2_GPIOINTCLEAR);
41 static struct irq_chip intc2_irq_gpio_chip = {
42 .name = "CF-INTC2",
43 .irq_mask = intc2_irq_gpio_mask,
44 .irq_unmask = intc2_irq_gpio_unmask,
45 .irq_ack = intc2_irq_gpio_ack,
48 static int __init mcf_intc2_init(void)
50 int irq;
52 /* GPIO interrupt sources */
53 for (irq = MCF_IRQ_GPIO0; (irq <= MCF_IRQ_GPIO7); irq++) {
54 irq_set_chip(irq, &intc2_irq_gpio_chip);
55 irq_set_handler(irq, handle_edge_irq);
58 return 0;
61 arch_initcall(mcf_intc2_init);