diff options
author | Marian Balakowicz <m8@semihalf.com> | 2008-02-21 17:18:01 +0100 |
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committer | Marian Balakowicz <m8@semihalf.com> | 2008-02-21 17:18:01 +0100 |
commit | 20c93959330aba8b5bbdbfde1ef319e99eba235d (patch) | |
tree | ef82297e3aeb904f94584e6d136fac55ec32c317 /include/asm-arm/dma-mapping.h | |
parent | 5cf746c303710329f8040d9c62ee354313e3e91f (diff) | |
parent | 928d1d77f8623c120d8763e20e1ca58df9c5c4c6 (diff) |
Merge branch 'master' of /home/git/u-boot
Diffstat (limited to 'include/asm-arm/dma-mapping.h')
-rw-r--r-- | include/asm-arm/dma-mapping.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h new file mode 100644 index 00000000000..8054f62b060 --- /dev/null +++ b/include/asm-arm/dma-mapping.h @@ -0,0 +1,50 @@ +/* + * (C) Copyright 2007 + * Stelian Pop <stelian.pop <at> leadtechdesign.com> + * Lead Tech Design <www.leadtechdesign.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef __ASM_ARM_DMA_MAPPING_H +#define __ASM_ARM_DMA_MAPPING_H + +enum dma_data_direction { + DMA_BIDIRECTIONAL = 0, + DMA_TO_DEVICE = 1, + DMA_FROM_DEVICE = 2, +}; + +static void *dma_alloc_coherent(size_t len, unsigned long *handle) +{ + *handle = (unsigned long)malloc(len); + return (void *)*handle; +} + +static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, + enum dma_data_direction dir) +{ + return (unsigned long)vaddr; +} + +static inline void dma_unmap_single(volatile void *vaddr, size_t len, + unsigned long paddr) +{ +} + +#endif /* __ASM_ARM_DMA_MAPPING_H */ |