100 lines
4.4 KiB
C
100 lines
4.4 KiB
C
/*
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* arch/arm/mach-at91/include/mach/at91_aic.h
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*
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* Copyright (C) 2005 Ivan Kokshaysky
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* Copyright (C) SAN People
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*
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* Advanced Interrupt Controller (AIC) - System peripherals registers.
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* Based on AT91RM9200 datasheet revision E.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef AT91_AIC_H
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#define AT91_AIC_H
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#ifndef __ASSEMBLY__
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extern void __iomem *at91_aic_base;
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#define at91_aic_read(field) \
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__raw_readl(at91_aic_base + field)
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#define at91_aic_write(field, value) \
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__raw_writel(value, at91_aic_base + field)
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#else
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.extern at91_aic_base
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#endif
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/* Number of irq lines managed by AIC */
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#define NR_AIC_IRQS 32
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#define NR_AIC5_IRQS 128
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#define AT91_AIC5_SSR 0x0 /* Source Select Register [AIC5] */
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#define AT91_AIC5_INTSEL_MSK (0x7f << 0) /* Interrupt Line Selection Mask */
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#define AT91_AIC_IRQ_MIN_PRIORITY 0
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#define AT91_AIC_IRQ_MAX_PRIORITY 7
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#define AT91_AIC_SMR(n) ((n) * 4) /* Source Mode Registers 0-31 */
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#define AT91_AIC5_SMR 0x4 /* Source Mode Register [AIC5] */
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#define AT91_AIC_PRIOR (7 << 0) /* Priority Level */
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#define AT91_AIC_SRCTYPE (3 << 5) /* Interrupt Source Type */
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#define AT91_AIC_SRCTYPE_LOW (0 << 5)
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#define AT91_AIC_SRCTYPE_FALLING (1 << 5)
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#define AT91_AIC_SRCTYPE_HIGH (2 << 5)
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#define AT91_AIC_SRCTYPE_RISING (3 << 5)
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#define AT91_AIC_SVR(n) (0x80 + ((n) * 4)) /* Source Vector Registers 0-31 */
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#define AT91_AIC5_SVR 0x8 /* Source Vector Register [AIC5] */
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#define AT91_AIC_IVR 0x100 /* Interrupt Vector Register */
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#define AT91_AIC5_IVR 0x10 /* Interrupt Vector Register [AIC5] */
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#define AT91_AIC_FVR 0x104 /* Fast Interrupt Vector Register */
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#define AT91_AIC5_FVR 0x14 /* Fast Interrupt Vector Register [AIC5] */
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#define AT91_AIC_ISR 0x108 /* Interrupt Status Register */
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#define AT91_AIC5_ISR 0x18 /* Interrupt Status Register [AIC5] */
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#define AT91_AIC_IRQID (0x1f << 0) /* Current Interrupt Identifier */
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#define AT91_AIC_IPR 0x10c /* Interrupt Pending Register */
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#define AT91_AIC5_IPR0 0x20 /* Interrupt Pending Register 0 [AIC5] */
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#define AT91_AIC5_IPR1 0x24 /* Interrupt Pending Register 1 [AIC5] */
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#define AT91_AIC5_IPR2 0x28 /* Interrupt Pending Register 2 [AIC5] */
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#define AT91_AIC5_IPR3 0x2c /* Interrupt Pending Register 3 [AIC5] */
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#define AT91_AIC_IMR 0x110 /* Interrupt Mask Register */
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#define AT91_AIC5_IMR 0x30 /* Interrupt Mask Register [AIC5] */
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#define AT91_AIC_CISR 0x114 /* Core Interrupt Status Register */
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#define AT91_AIC5_CISR 0x34 /* Core Interrupt Status Register [AIC5] */
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#define AT91_AIC_NFIQ (1 << 0) /* nFIQ Status */
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#define AT91_AIC_NIRQ (1 << 1) /* nIRQ Status */
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#define AT91_AIC_IECR 0x120 /* Interrupt Enable Command Register */
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#define AT91_AIC5_IECR 0x40 /* Interrupt Enable Command Register [AIC5] */
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#define AT91_AIC_IDCR 0x124 /* Interrupt Disable Command Register */
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#define AT91_AIC5_IDCR 0x44 /* Interrupt Disable Command Register [AIC5] */
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#define AT91_AIC_ICCR 0x128 /* Interrupt Clear Command Register */
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#define AT91_AIC5_ICCR 0x48 /* Interrupt Clear Command Register [AIC5] */
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#define AT91_AIC_ISCR 0x12c /* Interrupt Set Command Register */
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#define AT91_AIC5_ISCR 0x4c /* Interrupt Set Command Register [AIC5] */
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#define AT91_AIC_EOICR 0x130 /* End of Interrupt Command Register */
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#define AT91_AIC5_EOICR 0x38 /* End of Interrupt Command Register [AIC5] */
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#define AT91_AIC_SPU 0x134 /* Spurious Interrupt Vector Register */
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#define AT91_AIC5_SPU 0x3c /* Spurious Interrupt Vector Register [AIC5] */
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#define AT91_AIC_DCR 0x138 /* Debug Control Register */
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#define AT91_AIC5_DCR 0x6c /* Debug Control Register [AIC5] */
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#define AT91_AIC_DCR_PROT (1 << 0) /* Protection Mode */
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#define AT91_AIC_DCR_GMSK (1 << 1) /* General Mask */
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#define AT91_AIC_FFER 0x140 /* Fast Forcing Enable Register [SAM9 only] */
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#define AT91_AIC5_FFER 0x50 /* Fast Forcing Enable Register [AIC5] */
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#define AT91_AIC_FFDR 0x144 /* Fast Forcing Disable Register [SAM9 only] */
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#define AT91_AIC5_FFDR 0x54 /* Fast Forcing Disable Register [AIC5] */
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#define AT91_AIC_FFSR 0x148 /* Fast Forcing Status Register [SAM9 only] */
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#define AT91_AIC5_FFSR 0x58 /* Fast Forcing Status Register [AIC5] */
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void at91_aic_handle_irq(struct pt_regs *regs);
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void at91_aic5_handle_irq(struct pt_regs *regs);
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#endif
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