linux/include/asm-mips/mach-lemote/dma-coherence.h
Songmao Tian 42d226c724 [MIPS] New files for lemote fulong mini-PC support
Signed-off-by: Fuxin Zhang <zhangfx@lemote.com>
Signed-off-by: Songmao Tian <tiansm@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:02 +01:00

43 lines
1.0 KiB
C

/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2006, 07 Ralf Baechle <ralf@linux-mips.org>
* Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
* Author: Fuxin Zhang, zhangfx@lemote.com
*
*/
#ifndef __ASM_MACH_LEMOTE_DMA_COHERENCE_H
#define __ASM_MACH_LEMOTE_DMA_COHERENCE_H
struct device;
static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
size_t size)
{
return virt_to_phys(addr) | 0x80000000;
}
static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
struct page *page)
{
return page_to_phys(page) | 0x80000000;
}
static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
{
return dma_addr & 0x7fffffff;
}
static inline void plat_unmap_dma_mem(dma_addr_t dma_addr)
{
}
static inline int plat_device_is_coherent(struct device *dev)
{
return 0;
}
#endif /* __ASM_MACH_LEMOTE_DMA_COHERENCE_H */