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Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
2 * arch/arm/mach-at91/include/mach/at91_aic.h
3 *
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
6 *
7 * Advanced Interrupt Controller (AIC) - System peripherals registers.
8 * Based on AT91RM9200 datasheet revision E.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
16#ifndef AT91_AIC_H
17#define AT91_AIC_H
18
19#define AT91_AIC_SMR(n) (AT91_AIC + ((n) * 4)) /* Source Mode Registers 0-31 */
20#define AT91_AIC_PRIOR (7 << 0) /* Priority Level */
21#define AT91_AIC_SRCTYPE (3 << 5) /* Interrupt Source Type */
22#define AT91_AIC_SRCTYPE_LOW (0 << 5)
23#define AT91_AIC_SRCTYPE_FALLING (1 << 5)
24#define AT91_AIC_SRCTYPE_HIGH (2 << 5)
25#define AT91_AIC_SRCTYPE_RISING (3 << 5)
26
27#define AT91_AIC_SVR(n) (AT91_AIC + 0x80 + ((n) * 4)) /* Source Vector Registers 0-31 */
28#define AT91_AIC_IVR (AT91_AIC + 0x100) /* Interrupt Vector Register */
29#define AT91_AIC_FVR (AT91_AIC + 0x104) /* Fast Interrupt Vector Register */
30#define AT91_AIC_ISR (AT91_AIC + 0x108) /* Interrupt Status Register */
31#define AT91_AIC_IRQID (0x1f << 0) /* Current Interrupt Identifier */
32
33#define AT91_AIC_IPR (AT91_AIC + 0x10c) /* Interrupt Pending Register */
34#define AT91_AIC_IMR (AT91_AIC + 0x110) /* Interrupt Mask Register */
35#define AT91_AIC_CISR (AT91_AIC + 0x114) /* Core Interrupt Status Register */
36#define AT91_AIC_NFIQ (1 << 0) /* nFIQ Status */
37#define AT91_AIC_NIRQ (1 << 1) /* nIRQ Status */
38
39#define AT91_AIC_IECR (AT91_AIC + 0x120) /* Interrupt Enable Command Register */
40#define AT91_AIC_IDCR (AT91_AIC + 0x124) /* Interrupt Disable Command Register */
41#define AT91_AIC_ICCR (AT91_AIC + 0x128) /* Interrupt Clear Command Register */
42#define AT91_AIC_ISCR (AT91_AIC + 0x12c) /* Interrupt Set Command Register */
43#define AT91_AIC_EOICR (AT91_AIC + 0x130) /* End of Interrupt Command Register */
44#define AT91_AIC_SPU (AT91_AIC + 0x134) /* Spurious Interrupt Vector Register */
45#define AT91_AIC_DCR (AT91_AIC + 0x138) /* Debug Control Register */
46#define AT91_AIC_DCR_PROT (1 << 0) /* Protection Mode */
47#define AT91_AIC_DCR_GMSK (1 << 1) /* General Mask */
48
49#define AT91_AIC_FFER (AT91_AIC + 0x140) /* Fast Forcing Enable Register [SAM9 only] */
50#define AT91_AIC_FFDR (AT91_AIC + 0x144) /* Fast Forcing Disable Register [SAM9 only] */
51#define AT91_AIC_FFSR (AT91_AIC + 0x148) /* Fast Forcing Status Register [SAM9 only] */
52
53#endif