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/*
* arch/arm/mach-at91/include/mach/at91_aic.h
*
* Copyright (C) 2005 Ivan Kokshaysky
* Copyright (C) SAN People
*
* Advanced Interrupt Controller (AIC) - System peripherals registers.
* Based on AT91RM9200 datasheet revision E.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef AT91_AIC_H
#define AT91_AIC_H
#ifndef __ASSEMBLY__
extern void __iomem *at91_aic_base;
#define at91_aic_read(field) \
__raw_readl(at91_aic_base + field)
#define at91_aic_write(field, value) \
__raw_writel(value, at91_aic_base + field);
#else
.extern at91_aic_base
#endif
#define AT91_AIC_SMR(n) ((n) * 4) /* Source Mode Registers 0-31 */
#define AT91_AIC_PRIOR (7 << 0) /* Priority Level */
#define AT91_AIC_SRCTYPE (3 << 5) /* Interrupt Source Type */
#define AT91_AIC_SRCTYPE_LOW (0 << 5)
#define AT91_AIC_SRCTYPE_FALLING (1 << 5)
#define AT91_AIC_SRCTYPE_HIGH (2 << 5)
#define AT91_AIC_SRCTYPE_RISING (3 << 5)
#define AT91_AIC_SVR(n) (0x80 + ((n) * 4)) /* Source Vector Registers 0-31 */
#define AT91_AIC_IVR 0x100 /* Interrupt Vector Register */
#define AT91_AIC_FVR 0x104 /* Fast Interrupt Vector Register */
#define AT91_AIC_ISR 0x108 /* Interrupt Status Register */
#define AT91_AIC_IRQID (0x1f << 0) /* Current Interrupt Identifier */
#define AT91_AIC_IPR 0x10c /* Interrupt Pending Register */
#define AT91_AIC_IMR 0x110 /* Interrupt Mask Register */
#define AT91_AIC_CISR 0x114 /* Core Interrupt Status Register */
#define AT91_AIC_NFIQ (1 << 0) /* nFIQ Status */
#define AT91_AIC_NIRQ (1 << 1) /* nIRQ Status */
#define AT91_AIC_IECR 0x120 /* Interrupt Enable Command Register */
#define AT91_AIC_IDCR 0x124 /* Interrupt Disable Command Register */
#define AT91_AIC_ICCR 0x128 /* Interrupt Clear Command Register */
#define AT91_AIC_ISCR 0x12c /* Interrupt Set Command Register */
#define AT91_AIC_EOICR 0x130 /* End of Interrupt Command Register */
#define AT91_AIC_SPU 0x134 /* Spurious Interrupt Vector Register */
#define AT91_AIC_DCR 0x138 /* Debug Control Register */
#define AT91_AIC_DCR_PROT (1 << 0) /* Protection Mode */
#define AT91_AIC_DCR_GMSK (1 << 1) /* General Mask */
#define AT91_AIC_FFER 0x140 /* Fast Forcing Enable Register [SAM9 only] */
#define AT91_AIC_FFDR 0x144 /* Fast Forcing Disable Register [SAM9 only] */
#define AT91_AIC_FFSR 0x148 /* Fast Forcing Status Register [SAM9 only] */
#endif
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