2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 2006, 07 Ralf Baechle <ralf@linux-mips.org>
7 * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
8 * Author: Fuxin Zhang, zhangfx@lemote.com
11 #ifndef __ASM_MACH_LEMOTE_DMA_COHERENCE_H
12 #define __ASM_MACH_LEMOTE_DMA_COHERENCE_H
16 static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
19 return virt_to_phys(addr) | 0x80000000;
22 static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
25 return page_to_phys(page) | 0x80000000;
28 static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
30 return dma_addr & 0x7fffffff;
33 static inline void plat_unmap_dma_mem(dma_addr_t dma_addr)
37 static inline int plat_device_is_coherent(struct device *dev)
42 #endif /* __ASM_MACH_LEMOTE_DMA_COHERENCE_H */