+++ /dev/null
-/*
- * 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 Ralf Baechle <ralf@linux-mips.org>
- * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
- *
- */
-#ifndef __ASM_MACH_GENERIC_DMA_COHERENCE_H
-#define __ASM_MACH_GENERIC_DMA_COHERENCE_H
-
-#if 0
-#define PCI_DMA_OFFSET 0x20000000
-#else
-#define PCI_DMA_OFFSET 0x00000000
-#endif
-
-struct device;
-
-static dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size)
-{
- return virt_to_phys(addr) + (dev != NULL ? PCI_DMA_OFFSET : 0);
-}
-
-static dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page)
-{
- return page_to_phys(page) + (dev != NULL ? PCI_DMA_OFFSET : 0);
-}
-
-static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
-{
- return (dma_addr > PCI_DMA_OFFSET ? dma_addr - PCI_DMA_OFFSET : dma_addr);
-}
-
-static 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_GENERIC_DMA_COHERENCE_H */