83xx: Add support for fsl_dma driver

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Reviewed-by: Ira W. Snyder <iws@ovro.caltech.edu>
Tested-by: Ira W. Snyder <iws@ovro.caltech.edu>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 0 insertions, 85 deletions

diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c
index a5c1f00..e38a372 100644
--- a/cpu/mpc83xx/cpu.c
+++ b/cpu/mpc83xx/cpu.c
@@ -276,91 +276,6 @@ void watchdog_reset (void)
 }
 #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()