dma.c

来自「三星2442测试程序」· C语言 代码 · 共 30 行

#include "def.h"
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h" 
#include "dma.h"

#define	DMA_CHECK_ATTR	1

typedef struct{						//can't use __packed???
    volatile U32 DISRC;	    //0x0
    volatile U32 DISRCC;    //0x4
    volatile U32 DIDST;	    //0x8
    volatile U32 DIDSTC;    //0xc
    volatile U32 DCON;	    //0x10
    volatile U32 DSTAT;	    //0x14
    volatile U32 DCSRC;	    //0x18
    volatile U32 DCDST;	    //0x1c
    volatile U32 DMASKTRIG; //0x20
}DMAReg;

static struct{
	U16 used;
	U16 DevID;
	DMAReg *pDMA;
}
DMAChannel[MAX_DMA_CHANNEL];

/********************************************************/
//attr蔼16