}
#endif
-#if defined(CONFIG_DDR_ECC)
-void dma_init(void)
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile dma83xx_t *dma = &immap->dma;
- volatile u32 status = swab32(dma->dmasr0);
- volatile u32 dmamr0 = swab32(dma->dmamr0);
-
- debug("DMA-init\n");
-
- /* initialize DMASARn, DMADAR and DMAABCRn */
- dma->dmadar0 = (u32)0;
- dma->dmasar0 = (u32)0;
- dma->dmabcr0 = 0;
-
- __asm__ __volatile__ ("sync");
- __asm__ __volatile__ ("isync");
-
- /* clear CS bit */
- dmamr0 &= ~DMA_CHANNEL_START;
- dma->dmamr0 = swab32(dmamr0);
- __asm__ __volatile__ ("sync");
- __asm__ __volatile__ ("isync");
-
- /* while the channel is busy, spin */
- while(status & DMA_CHANNEL_BUSY) {
- status = swab32(dma->dmasr0);
- }
-
- debug("DMA-init end\n");
-}
-
-uint dma_check(void)
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile dma83xx_t *dma = &immap->dma;
- volatile u32 status = swab32(dma->dmasr0);
- volatile u32 byte_count = swab32(dma->dmabcr0);
-
- /* while the channel is busy, spin */
- while (status & DMA_CHANNEL_BUSY) {
- status = swab32(dma->dmasr0);
- }
-
- if (status & DMA_CHANNEL_TRANSFER_ERROR) {
- printf ("DMA Error: status = %x @ %d\n", status, byte_count);
- }
-
- return status;
-}
-
-int dmacpy(phys_addr_t dest, phys_addr_t src, phys_size_t count)
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile dma83xx_t *dma = &immap->dma;
- volatile u32 dmamr0;
-
- /* initialize DMASARn, DMADAR and DMAABCRn */
- dma->dmadar0 = swab32((u32)dest);
- dma->dmasar0 = swab32((u32)src);
- dma->dmabcr0 = swab32((u32)count);
-
- __asm__ __volatile__ ("sync");
- __asm__ __volatile__ ("isync");
-
- /* init direct transfer, clear CS bit */
- dmamr0 = (DMA_CHANNEL_TRANSFER_MODE_DIRECT |
- DMA_CHANNEL_SOURCE_ADDRESS_HOLD_8B |
- DMA_CHANNEL_SOURCE_ADRESSS_HOLD_EN);
-
- dma->dmamr0 = swab32(dmamr0);
-
- __asm__ __volatile__ ("sync");
- __asm__ __volatile__ ("isync");
-
- /* set CS to start DMA transfer */
- dmamr0 |= DMA_CHANNEL_START;
- dma->dmamr0 = swab32(dmamr0);
- __asm__ __volatile__ ("sync");
- __asm__ __volatile__ ("isync");
-
- return ((int)dma_check());
-}
-#endif /*CONFIG_DDR_ECC*/
-
/*
* Initializes on-chip ethernet controllers.
* to override, implement board_eth_init()