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43 lines
763 B
C
Executable File
43 lines
763 B
C
Executable File
#ifndef _PXA255_DMA_H_
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#define _PXA255_DMA_H_
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#include "mem.h"
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#include "CPU.h"
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#include "pxa255_IC.h"
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/*
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PXA255 OS DMA controller
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*/
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#define PXA255_DMA_BASE 0x40000000UL
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#define PXA255_DMA_SIZE 0x00001000UL
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typedef struct{
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UInt32 DAR; //descriptor address register
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UInt32 SAR; //source address register
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UInt32 TAR; //target address register
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UInt32 CR; //command register
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UInt32 CSR; //control and status register
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}Pxa255dmaChannel;
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typedef struct{
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Pxa255ic* ic;
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ArmMem* mem;
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UInt16 DINT;
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Pxa255dmaChannel channels[16];
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UInt8 CMR[40]; //channel map registers [ we store lower 8 bits only :-) ]
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}Pxa255dma;
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Boolean pxa255dmaInit(Pxa255dma* gpio, ArmMem* physMem, Pxa255ic* ic);
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#endif
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