| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 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 | |
| Sascha Hauer | 9d631b8 | 2008-12-18 11:08:55 +0100 | [diff] [blame] | 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 | |
| Darius Augulis | 479c901 | 2008-09-09 11:29:41 +0200 | [diff] [blame] | 40 | extern void imx_irq_set_priority(unsigned char irq, unsigned char prio); |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 41 | |
| Paulius Zaleckas | d7927e1 | 2008-11-14 11:01:39 +0100 | [diff] [blame] | 42 | /* all normal IRQs can be FIQs */ |
| 43 | #define FIQ_START 0 |
| 44 | /* switch betwean IRQ and FIQ */ |
| 45 | extern int mxc_set_irq_fiq(unsigned int irq, unsigned int type); |
| 46 | |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 47 | #endif /* __ASM_ARCH_MXC_IRQS_H__ */ |