Ejemplos de REG_DMAC_DTAR en C++ (Cpp)

Ejemplo n.º 1

Archivo: dma_acc-jz4740.c Proyecto: 4nykey/rockbox

void memset16(void *target, unsigned short c, size_t len)
{
    int ch = DMA_CHANNEL;
    unsigned short d;
    unsigned short *dp;
    
    if(len < 32)
        _memset16(target,c,len);
    else
    {
        if(((unsigned int)target < 0xa0000000) && len)
             dma_cache_wback_inv((unsigned long)target, len);
        
        d = c;
        REG_DMAC_DSAR(ch) = PHYSADDR((unsigned long)&d);
        REG_DMAC_DTAR(ch) = PHYSADDR((unsigned long)target);
        REG_DMAC_DTCR(ch) = len / 32;
        REG_DMAC_DRSR(ch) = DMAC_DRSR_RS_AUTO;
        REG_DMAC_DCMD(ch) = DMAC_DCMD_DAI | DMAC_DCMD_SWDH_16 | DMAC_DCMD_DWDH_16 | DMAC_DCMD_DS_32BYTE;
        REG_DMAC_DCCSR(ch) = DMAC_DCCSR_EN | DMAC_DCCSR_NDES;
        
        while (REG_DMAC_DTCR(ch));
        if(len % 32)
        {
            dp = (unsigned short *)((unsigned int)target + (len & (32 - 1)));
            for(d = 0; d < (len % 32); d++)
                *dp++ = c;
        }
    }    
}

Ejemplo n.º 2

Archivo: dma_acc-jz4740.c Proyecto: 4nykey/rockbox

void memcpy(void *target, const void *source, size_t len)
{
    int ch = DMA_CHANNEL;
    unsigned char *dp;
    
    if(len < 4)
        _memcpy(target, source, len);
    
    if(((unsigned int)source < 0xa0000000) && len)
        dma_cache_wback_inv((unsigned long)source, len);
    
    if(((unsigned int)target < 0xa0000000) && len)
        dma_cache_wback_inv((unsigned long)target, len);
    
    REG_DMAC_DSAR(ch) = PHYSADDR((unsigned long)source);
    REG_DMAC_DTAR(ch) = PHYSADDR((unsigned long)target); 
    REG_DMAC_DTCR(ch) = len / 4;
    REG_DMAC_DRSR(ch) = DMAC_DRSR_RS_AUTO;
    REG_DMAC_DCMD(ch) = DMAC_DCMD_DAI | DMAC_DCMD_SWDH_32 | DMAC_DCMD_DWDH_32 | DMAC_DCMD_DS_32BIT;
    
    REG_DMAC_DCCSR(ch) = DMAC_DCCSR_EN | DMAC_DCCSR_NDES;
    while (REG_DMAC_DTCR(ch));
    if(len % 4)
    {
        dp = (unsigned char*)((unsigned int)target + (len & (4 - 1)));
        for(i = 0; i < (len % 4); i++)
            *dp++ = *source;
    }
}

Ejemplo n.º 3

Archivo: lb_nand.c Proyecto: Stadtpirat/open-p3go

static void lb_memcpy(void *target,void* source,unsigned int len)
{
    int ch = DMA_CHANNEL;
	if(((unsigned int)source < 0xa0000000) && len)
		dma_cache_wback_inv((unsigned long)source, len);
    if(((unsigned int)target < 0xa0000000) && len)
		dma_cache_wback_inv((unsigned long)target, len);
	
	
	REG_DMAC_DSAR(ch) = PHYSADDR((unsigned long)source);       
	REG_DMAC_DTAR(ch) = PHYSADDR((unsigned long)target);       
	REG_DMAC_DTCR(ch) = len / 32;	            	    
	REG_DMAC_DRSR(ch) = DMAC_DRSR_RS_AUTO;	        	
	REG_DMAC_DCMD(ch) = DMAC_DCMD_SAI| DMAC_DCMD_DAI | DMAC_DCMD_SWDH_32 | DMAC_DCMD_DWDH_32|DMAC_DCMD_DS_32BYTE;
	REG_DMAC_DCCSR(ch) = DMAC_DCCSR_EN | DMAC_DCCSR_NDES;
	while (	REG_DMAC_DTCR(ch) );
}

Ejemplo n.º 4

Archivo: dma.c Proyecto: 173210/ds2sdk

void dump_jz_dma_channel(unsigned int dmanr)
{
    struct dma_chan *chan;

    if (dmanr > MAX_DMA_NUM)
        return;
    printf("DMA%d Registers:\n", dmanr);
    printf("  DMACR  = 0x%08x\n", REG_DMAC_DMACR);
    printf("  DSAR   = 0x%08x\n", REG_DMAC_DSAR(dmanr));
    printf("  DTAR   = 0x%08x\n", REG_DMAC_DTAR(dmanr));
    printf("  DTCR   = 0x%08x\n", REG_DMAC_DTCR(dmanr));
    printf("  DRSR   = 0x%08x\n", REG_DMAC_DRSR(dmanr));
    printf("  DCCSR  = 0x%08x\n", REG_DMAC_DCCSR(dmanr));
    printf("  DCMD  = 0x%08x\n", REG_DMAC_DCMD(dmanr));
    printf("  DDA  = 0x%08x\n", REG_DMAC_DDA(dmanr));
    printf("  DMADBR = 0x%08x\n", REG_DMAC_DMADBR);
}