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imx233/fuze+: reset dma block correctly and define maximum transfer size

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30526 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Amaury Pouly 2011-09-13 23:38:56 +00:00
parent b27d07e094
commit 1b220f1856
2 changed files with 5 additions and 2 deletions
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4
firmware/target/arm/imx233/dma-imx233.c
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@ -28,8 +28,8 @@
void imx233_dma_init(void) void imx233_dma_init(void)
{ {
/* Enable APHB and APBX */ /* Enable APHB and APBX */
__REG_CLR(HW_APBH_CTRL0) = __BLOCK_CLKGATE | __BLOCK_SFTRST; imx233_reset_block(&HW_APBH_CTRL0);
__REG_CLR(HW_APBX_CTRL0) = __BLOCK_CLKGATE | __BLOCK_SFTRST; imx233_reset_block(&HW_APBX_CTRL0);
} }
void imx233_dma_reset_channel(unsigned chan) void imx233_dma_reset_channel(unsigned chan)

3
firmware/target/arm/imx233/dma-imx233.h
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@ -152,6 +152,9 @@ struct apb_dma_command_t
#define HW_APB_CHx_SEMA__PHORE_BM 0xff0000 #define HW_APB_CHx_SEMA__PHORE_BM 0xff0000
#define HW_APB_CHx_SEMA__PHORE_BP 16 #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_init(void);
void imx233_dma_reset_channel(unsigned chan); void imx233_dma_reset_channel(unsigned chan);
/* only apbh channel have clkgate control */ /* only apbh channel have clkgate control */