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Addition DMA setup logic

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2262 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2009-11-16 15:58:05 +00:00
parent 2740d04258
commit 0a24197444
1 changed files with 9 additions and 3 deletions
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12
arch/arm/src/stm32/stm32_sdio.c
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@ -1303,8 +1303,11 @@ static int tm32_dmareadsetup(FAR struct sdio_dev_s *dev, FAR ubyte *buffer, siz
{
/* Configure the RX DMA */
stm32_dmasetup(priv->dma, STM32_SDIO_FIFO, (uint32)buffer,
(buflen + 3) >> 2, SDIO_RXDMA16_CONFIG);
stm32_enableint(SDIO_MASK_DCRCFAILIE|SDIO_MASK_DTIMEOUTIE|SDIO_MASK_DATAENDIE|
SDIO_MASK_RXOVERRIE|SDIO_MASK_STBITERRIE);
putreg32(1, SDIO_DCTRL_DMAEN_BB)
stm32_dmasetup(priv->dma, STM32_SDIO_FIFO, (uint32)buffer,
(buflen + 3) >> 2, SDIO_RXDMA16_CONFIG);
}
#endif
@ -1331,10 +1334,13 @@ static int tm32_dmareadsetup(FAR struct sdio_dev_s *dev, FAR ubyte *buffer, siz
static int stm32_dmawritesetup(FAR struct sdio_dev_s *dev,
FAR const ubyte *buffer, size_t buflen)
{
/* Configure the RX DMA */
/* Configure the TX DMA */
stm32_enableint(SDIO_MASK_DCRCFAILIE|SDIO_MASK_DTIMEOUTIE|SDIO_MASK_DATAENDIE|
SDIO_MASK_TXUNDERRIE|SDIO_MASK_STBITERRIE);
stm32_dmasetup(priv->dma, STM32_SDIO_FIFO, (uint32)buffer,
(buflen + 3) >> 2, SDIO_TXDMA16_CONFIG);
putreg32(1, SDIO_DCTRL_DMAEN_BB)
}
#endif