diff options
Diffstat (limited to 'cpu/mpc85xx/cpu.c')
| -rw-r--r-- | cpu/mpc85xx/cpu.c | 47 | 
1 files changed, 0 insertions, 47 deletions
| diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index d88c56462..28c6119d3 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -264,53 +264,6 @@ reset_85xx_watchdog(void)  }  #endif	/* CONFIG_WATCHDOG */ -#if defined(CONFIG_DDR_ECC) -void dma_init(void) { -	volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC85xx_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; msync"); -	return; -} - -uint dma_check(void) { -	volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC85xx_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;msync"); - -	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_MPC85xx_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;msync"); -	dma->mr = 0xf000005; -	asm("sync;isync;msync"); -	return dma_check(); -} -#endif -  /*   * Configures a UPM. The function requires the respective MxMR to be set   * before calling this function. "size" is the number or entries, not a sizeof. |