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82 lines
3.6 KiB
C
82 lines
3.6 KiB
C
19 years ago
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//*----------------------------------------------------------------------------
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//* ATMEL Microcontroller Software Support - ROUSSET -
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//*----------------------------------------------------------------------------
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//* The software is delivered "AS IS" without warranty or condition of any
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//* kind, either express, implied or statutory. This includes without
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//* limitation any warranty or condition with respect to merchantability or
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//* fitness for any particular purpose, or against the infringements of
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//* intellectual property rights of others.
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//*----------------------------------------------------------------------------
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//* File Name : aic.h
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//* Object : Advanced Interrupt Controller Definition File.
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//*
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//* 1.0 01/04/00 JCZ : Creation
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//*----------------------------------------------------------------------------
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#ifndef aic_h
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#define aic_h
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//#include "periph/stdc/std_c.h"
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/*-----------------------------------------*/
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/* AIC User Interface Structure Definition */
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/*-----------------------------------------*/
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typedef struct
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{
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at91_reg AIC_SMR[32] ; /* Source Mode Register */
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at91_reg AIC_SVR[32] ; /* Source Vector Register */
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at91_reg AIC_IVR ; /* IRQ Vector Register */
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at91_reg AIC_FVR ; /* FIQ Vector Register */
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at91_reg AIC_ISR ; /* Interrupt Status Register */
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at91_reg AIC_IPR ; /* Interrupt Pending Register */
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at91_reg AIC_IMR ; /* Interrupt Mask Register */
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at91_reg AIC_CISR ; /* Core Interrupt Status Register */
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at91_reg reserved0 ;
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at91_reg reserved1 ;
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at91_reg AIC_IECR ; /* Interrupt Enable Command Register */
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at91_reg AIC_IDCR ; /* Interrupt Disable Command Register */
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at91_reg AIC_ICCR ; /* Interrupt Clear Command Register */
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at91_reg AIC_ISCR ; /* Interrupt Set Command Register */
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at91_reg AIC_EOICR ; /* End of Interrupt Command Register */
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at91_reg AIC_SPU ; /* Spurious Vector Register */
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} StructAIC ;
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/*--------------------------------------------*/
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/* AIC_SMR[]: Interrupt Source Mode Registers */
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/*--------------------------------------------*/
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#define AIC_PRIOR 0x07 /* Priority */
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#define AIC_SRCTYPE 0x60 /* Source Type Definition */
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/* Internal Interrupts */
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#define AIC_SRCTYPE_INT_LEVEL_SENSITIVE 0x00 /* Level Sensitive */
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#define AIC_SRCTYPE_INT_EDGE_TRIGGERED 0x20 /* Edge Triggered */
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/* External Interrupts */
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#define AIC_SRCTYPE_EXT_LOW_LEVEL 0x00 /* Low Level */
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#define AIC_SRCTYPE_EXT_NEGATIVE_EDGE 0x20 /* Negative Edge */
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#define AIC_SRCTYPE_EXT_HIGH_LEVEL 0x40 /* High Level */
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#define AIC_SRCTYPE_EXT_POSITIVE_EDGE 0x60 /* Positive Edge */
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/*------------------------------------*/
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/* AIC_ISR: Interrupt Status Register */
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/*------------------------------------*/
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#define AIC_IRQID 0x1F /* Current source interrupt */
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/*------------------------------------------*/
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/* AIC_CISR: Interrupt Core Status Register */
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/*------------------------------------------*/
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#define AIC_NFIQ 0x01 /* Core FIQ Status */
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#define AIC_NIRQ 0x02 /* Core IRQ Status */
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/*-------------------------------*/
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/* Advanced Interrupt Controller */
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/*-------------------------------*/
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#define AIC_BASE ((StructAIC *)0xFFFFF000)
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#endif /* aic_h */
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