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bcmf: enable DMA for SDIO transfers

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This commit is contained in:
Simon Piriou
2017-04-26 17:23:53 +02:00
parent 1c97025484
commit 6bb2db8c15
4 changed files with 50 additions and 12 deletions
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arch/arm/src/stm32/stm32_sdio.c
+22 -2
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@@ -2721,7 +2721,17 @@ static int stm32_dmarecvsetup(FAR struct sdio_dev_s *dev, FAR uint8_t *buffer,
/* Then set up the SDIO data path */
dblocksize = stm32_log2(buflen) << SDIO_DCTRL_DBLOCKSIZE_SHIFT;
#ifdef CONFIG_SDIO_BLOCKSETUP
if (priv->block_size != STM32_SDIO_USE_DEFAULT_BLOCKSIZE)
{
dblocksize = priv->block_size << SDIO_DCTRL_DBLOCKSIZE_SHIFT;
}
else
#endif
{
dblocksize = stm32_log2(buflen) << SDIO_DCTRL_DBLOCKSIZE_SHIFT;
}
stm32_dataconfig(SDIO_DTIMER_DATATIMEOUT, buflen, dblocksize | SDIO_DCTRL_DTDIR);
/* Configure the RX DMA */
@@ -2790,7 +2800,17 @@ static int stm32_dmasendsetup(FAR struct sdio_dev_s *dev,
/* Then set up the SDIO data path */
dblocksize = stm32_log2(buflen) << SDIO_DCTRL_DBLOCKSIZE_SHIFT;
#ifdef CONFIG_SDIO_BLOCKSETUP
if (priv->block_size != STM32_SDIO_USE_DEFAULT_BLOCKSIZE)
{
dblocksize = priv->block_size << SDIO_DCTRL_DBLOCKSIZE_SHIFT;
}
else
#endif
{
dblocksize = stm32_log2(buflen) << SDIO_DCTRL_DBLOCKSIZE_SHIFT;
}
stm32_dataconfig(SDIO_DTIMER_DATATIMEOUT, buflen, dblocksize);
/* Configure the TX DMA */