2 * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #ifndef __ASM_ARCH_MXC_IRQS_H__
12 #define __ASM_ARCH_MXC_IRQS_H__
15 * So far all i.MX SoCs have 64 internal interrupts
17 #define MXC_INTERNAL_IRQS 64
19 #define MXC_GPIO_IRQ_START MXC_INTERNAL_IRQS
21 #if defined CONFIG_ARCH_MX1
22 #define MXC_GPIO_IRQS (32 * 4)
23 #elif defined CONFIG_ARCH_MX2
24 #define MXC_GPIO_IRQS (32 * 6)
25 #elif defined CONFIG_ARCH_MX3
26 #define MXC_GPIO_IRQS (32 * 3)
30 * The next 16 interrupts are for board specific purposes. Since
31 * the kernel can only run on one machine at a time, we can re-use
32 * these. If you need more, increase MXC_BOARD_IRQS, but keep it
33 * within sensible limits.
35 #define MXC_BOARD_IRQ_START (MXC_INTERNAL_IRQS + MXC_GPIO_IRQS)
36 #define MXC_BOARD_IRQS 16
38 #define NR_IRQS (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS)
40 extern void imx_irq_set_priority(unsigned char irq, unsigned char prio);
42 /* all normal IRQs can be FIQs */
44 /* switch betwean IRQ and FIQ */
45 extern int mxc_set_irq_fiq(unsigned int irq, unsigned int type);
47 #endif /* __ASM_ARCH_MXC_IRQS_H__ */