8xxx: Break out DMA code to a common file

DMA support is now enabled via the CONFIG_FSL_DMA define instead of the
previous CONFIG_DDR_ECC

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 0 insertions, 55 deletions

diff --git a/cpu/mpc86xx/cpu.c b/cpu/mpc86xx/cpu.c
index 438d902..bc64286 100644
--- a/cpu/mpc86xx/cpu.c
+++ b/cpu/mpc86xx/cpu.c
@@ -186,61 +186,6 @@ watchdog_reset(void)
 }
 #endif	/* CONFIG_WATCHDOG */
 
-
-#if defined(CONFIG_DDR_ECC)
-void
-dma_init(void)
-{
-	volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC86xx_DMA_ADDR);
-	volatile fsl_dma_t *dma = &dma_base->dma[0];
-
-	dma->satr = 0x00040000;
-	dma->datr = 0x00040000;
-	dma->sr = 0xffffffff; /* clear any errors */
-	asm("sync; isync");
-}
-
-uint
-dma_check(void)
-{
-	volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC86xx_DMA_ADDR);
-	volatile fsl_dma_t *dma = &dma_base->dma[0];
-	volatile uint status = dma->sr;
-
-	/* While the channel is busy, spin */
-	while ((status & 4) == 4) {
-		status = dma->sr;
-	}
-
-	/* clear MR[CS] channel start bit */
-	dma->mr &= 0x00000001;
-	asm("sync;isync");
-
-	if (status != 0) {
-		printf("DMA Error: status = %x\n", status);
-	}
-	return status;
-}
-
-int
-dma_xfer(void *dest, uint count, void *src)
-{
-	volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC86xx_DMA_ADDR);
-	volatile fsl_dma_t *dma = &dma_base->dma[0];
-
-	dma->dar = (uint) dest;
-	dma->sar = (uint) src;
-	dma->bcr = count;
-	dma->mr = 0xf000004;
-	asm("sync;isync");
-	dma->mr = 0xf000005;
-	asm("sync;isync");
-	return dma_check();
-}
-
-#endif	/* CONFIG_DDR_ECC */
-
-
 /*
  * Print out the state of various machine registers.
  * Currently prints out LAWs, BR0/OR0, and BATs