diff options
Diffstat (limited to 'firmware/target/arm/imx233/dma-imx233.h')
| -rw-r--r-- | firmware/target/arm/imx233/dma-imx233.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/firmware/target/arm/imx233/dma-imx233.h b/firmware/target/arm/imx233/dma-imx233.h index bb88a746d0..c0727a51e1 100644 --- a/firmware/target/arm/imx233/dma-imx233.h +++ b/firmware/target/arm/imx233/dma-imx233.h @@ -152,6 +152,9 @@ struct apb_dma_command_t #define HW_APB_CHx_SEMA__PHORE_BM 0xff0000 #define HW_APB_CHx_SEMA__PHORE_BP 16 +/* A single descriptor cannot transfer more than 2^16 bytes */ +#define IMX233_MAX_SINGLE_DMA_XFER_SIZE (1 << 16) + void imx233_dma_init(void); void imx233_dma_reset_channel(unsigned chan); /* only apbh channel have clkgate control */ |