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bcma: inform drivers about translation bits needed for the core

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When using DMA, drivers need to pass special translation info to the
hardware.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2011-07-20 19:52:15 +02:00 • committed by John W. Linville
parent a9770a815d
commit 05aec23336
2 changed files with 21 additions and 0 deletions
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5
include/linux/bcma/bcma.h
View file

@ -262,5 +262,10 @@ extern void bcma_core_set_clockmode(struct bcma_device *core,
enum bcma_clkmode clkmode);
extern void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status,
bool on);
#define BCMA_DMA_TRANSLATION_MASK 0xC0000000
#define BCMA_DMA_TRANSLATION_NONE 0x00000000
#define BCMA_DMA_TRANSLATION_DMA32_CMT 0x40000000 /* Client Mode Translation for 32-bit DMA */
#define BCMA_DMA_TRANSLATION_DMA64_CMT 0x80000000 /* Client Mode Translation for 64-bit DMA */
extern u32 bcma_core_dma_translation(struct bcma_device *core);
#endif /* LINUX_BCMA_H_ */