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-rw-r--r--arch/arm/plat-mxc/include/mach/irqs.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
new file mode 100644
index 00000000000..00e812bbd81
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+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -0,0 +1,59 @@
1/*
2 * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
3 */
4
5/*
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.
9 */
10
11#ifndef __ASM_ARCH_MXC_IRQS_H__
12#define __ASM_ARCH_MXC_IRQS_H__
13
14#include <asm-generic/gpio.h>
15
16/*
17 * SoCs with TZIC interrupt controller have 128 IRQs, those with AVIC have 64
18 */
19#ifdef CONFIG_MXC_TZIC
20#define MXC_INTERNAL_IRQS 128
21#else
22#define MXC_INTERNAL_IRQS 64
23#endif
24
25#define MXC_GPIO_IRQ_START MXC_INTERNAL_IRQS
26
27/*
28 * The next 16 interrupts are for board specific purposes. Since
29 * the kernel can only run on one machine at a time, we can re-use
30 * these. If you need more, increase MXC_BOARD_IRQS, but keep it
31 * within sensible limits.
32 */
33#define MXC_BOARD_IRQ_START (MXC_INTERNAL_IRQS + ARCH_NR_GPIOS)
34
35#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
36#define MXC_BOARD_IRQS 80
37#else
38#define MXC_BOARD_IRQS 16
39#endif
40
41#define MXC_IPU_IRQ_START (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS)
42
43#ifdef CONFIG_MX3_IPU_IRQS
44#define MX3_IPU_IRQS CONFIG_MX3_IPU_IRQS
45#else
46#define MX3_IPU_IRQS 0
47#endif
48/* REVISIT: Add IPU irqs on IMX51 */
49
50#define NR_IRQS (MXC_IPU_IRQ_START + MX3_IPU_IRQS)
51
52extern int imx_irq_set_priority(unsigned char irq, unsigned char prio);
53
54/* all normal IRQs can be FIQs */
55#define FIQ_START 0
56/* switch between IRQ and FIQ */
57extern int mxc_set_irq_fiq(unsigned int irq, unsigned int type);
58
59#endif /* __ASM_ARCH_MXC_IRQS_H__ */