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| author | Antony Pavlov <antonynpavlov@gmail.com> | 2014-07-04 01:27:01 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-04 07:35:47 +0200 |
| commit | eb062ecbdf77e3fa10e8ea64414c4e1a12fecf5e (patch) | |
| tree | b30a9d6b587e5de5d705d875b66fc7826bfc9f85 /arch/mips/include | |
| parent | e829b7c0c8c6fd808421fbfae28f6a1ccb57bd3e (diff) | |
| download | barebox-eb062ecbdf77e3fa10e8ea64414c4e1a12fecf5e.tar.gz barebox-eb062ecbdf77e3fa10e8ea64414c4e1a12fecf5e.tar.xz | |
MIPS: add dma_alloc_coherent()
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/dma-mapping.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h new file mode 100644 index 0000000000..555efa5773 --- /dev/null +++ b/arch/mips/include/asm/dma-mapping.h @@ -0,0 +1,25 @@ +#ifndef _ASM_DMA_MAPPING_H +#define _ASM_DMA_MAPPING_H + +#include <xfuncs.h> +#include <asm/addrspace.h> +#include <asm/types.h> +#include <malloc.h> + +static inline void *dma_alloc_coherent(size_t size, dma_addr_t *dma_handle) +{ + void *ret; + + ret = xmemalign(PAGE_SIZE, size); + + *dma_handle = CPHYSADDR(ret); + + return (void *)CKSEG1ADDR(ret); +} + +static inline void dma_free_coherent(void *vaddr) +{ + free(vaddr); +} + +#endif /* _ASM_DMA_MAPPING_H */ |