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Diffstat (limited to 'arch/arm/plat-mxc/include/mach/irqs.h')
-rw-r--r--arch/arm/plat-mxc/include/mach/irqs.h32
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
index b55bba35e18..e06d3cb0ee1 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -11,7 +11,37 @@
11#ifndef __ASM_ARCH_MXC_IRQS_H__ 11#ifndef __ASM_ARCH_MXC_IRQS_H__
12#define __ASM_ARCH_MXC_IRQS_H__ 12#define __ASM_ARCH_MXC_IRQS_H__
13 13
14#include <mach/hardware.h> 14/*
15 * So far all i.MX SoCs have 64 internal interrupts
16 */
17#define MXC_INTERNAL_IRQS 64
18
19#define MXC_GPIO_IRQ_START MXC_INTERNAL_IRQS
20
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)
27#endif
28
29/*
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.
34 */
35#define MXC_BOARD_IRQ_START (MXC_INTERNAL_IRQS + MXC_GPIO_IRQS)
36#define MXC_BOARD_IRQS 16
37
38#define NR_IRQS (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS)
39
15extern void imx_irq_set_priority(unsigned char irq, unsigned char prio); 40extern void imx_irq_set_priority(unsigned char irq, unsigned char prio);
16 41
42/* all normal IRQs can be FIQs */
43#define FIQ_START 0
44/* switch betwean IRQ and FIQ */
45extern int mxc_set_irq_fiq(unsigned int irq, unsigned int type);
46
17#endif /* __ASM_ARCH_MXC_IRQS_H__ */ 47#endif /* __ASM_ARCH_MXC_IRQS_H__ */