diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/fsl_dma.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/dma/fsl_dma.c b/drivers/dma/fsl_dma.c index a9989ee..baf2942 100644 --- a/drivers/dma/fsl_dma.c +++ b/drivers/dma/fsl_dma.c @@ -51,11 +51,11 @@ static uint dma_check(void) { volatile uint status = dma->sr; /* While the channel is busy, spin */ - while (status & 4) + while (status & FSL_DMA_SR_CB) status = dma->sr; /* clear MR[CS] channel start bit */ - dma->mr &= 1; + dma->mr &= FSL_DMA_MR_CS; dma_sync(); if (status != 0) @@ -67,8 +67,8 @@ static uint dma_check(void) { void dma_init(void) { volatile fsl_dma_t *dma = &dma_base->dma[0]; - dma->satr = 0x00040000; - dma->datr = 0x00040000; + dma->satr = FSL_DMA_SATR_SREAD_NO_SNOOP; + dma->datr = FSL_DMA_DATR_DWRITE_NO_SNOOP; dma->sr = 0xffffffff; /* clear any errors */ dma_sync(); } @@ -81,11 +81,11 @@ int dma_xfer(void *dest, uint count, void *src) { dma->bcr = count; /* Disable bandwidth control, use direct transfer mode */ - dma->mr = 0xf000004; + dma->mr = FSL_DMA_MR_BWC_DIS | FSL_DMA_MR_CTM_DIRECT; dma_sync(); /* Start the transfer */ - dma->mr = 0xf000005; + dma->mr = FSL_DMA_MR_BWC_DIS | FSL_DMA_MR_CTM_DIRECT | FSL_DMA_MR_CS; dma_sync(); return dma_check(); |