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| author | Peter Tyser <ptyser@xes-inc.com> | 2009-06-30 17:15:41 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2009-07-01 23:01:55 -0500 |
| commit | 9c06071a6077ba95e9d43226156e39567d5d064a (patch) | |
| tree | e9c0ac3c27d1d95abe14152def478794fe2d2ac1 /drivers/dma/fsl_dma.c | |
| parent | 017f11f68ef543e866be033bcb7b8058a8a380d8 (diff) | |
| download | u-boot-imx-9c06071a6077ba95e9d43226156e39567d5d064a.zip u-boot-imx-9c06071a6077ba95e9d43226156e39567d5d064a.tar.gz u-boot-imx-9c06071a6077ba95e9d43226156e39567d5d064a.tar.bz2 | |
fsl_dma: Add bitfield definitions for common registers
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'drivers/dma/fsl_dma.c')
| -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(); |