lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

dmaengine: sh: Add Support SuperH DMA Engine driver

Browse Source 
This supported all DMA channels, and it was tested in SH7722,
SH7780, SH7785 and SH7763.
This can not use with SH DMA API.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Reviewed-by: Matt Fleming <matt@console-pimps.org>
Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Nobuhiro Iwamatsu
2009-09-07 03:26:23 +00:00
committed by Dan Williams
parent 9134d02bc0
commit d8902adcc1
7 changed files with 882 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
arch/sh/include/asm/dma-sh.h
View File

@@ -115,4 +115,17 @@ static u32 dma_base_addr[] __maybe_unused = {
#define CHCR 0x0C
#define DMAOR 0x40
/*
* for dma engine
*
* SuperH DMA mode
*/
#define SHDMA_MIX_IRQ (1 << 1)
#define SHDMA_DMAOR1 (1 << 2)
#define SHDMA_DMAE1 (1 << 3)
struct sh_dmae_pdata {
unsigned int mode;
};
#endif /* __DMA_SH_H */