diff options
Diffstat (limited to 'include/asm-mips/mach-ip27/dma-coherence.h')
| -rw-r--r-- | include/asm-mips/mach-ip27/dma-coherence.h | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/include/asm-mips/mach-ip27/dma-coherence.h b/include/asm-mips/mach-ip27/dma-coherence.h deleted file mode 100644 index ed7e6222dc15..000000000000 --- a/include/asm-mips/mach-ip27/dma-coherence.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * 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> - * - */ -#ifndef __ASM_MACH_IP27_DMA_COHERENCE_H -#define __ASM_MACH_IP27_DMA_COHERENCE_H - -#include <asm/pci/bridge.h> - -#define pdev_to_baddr(pdev, addr) \ - (BRIDGE_CONTROLLER(pdev->bus)->baddr + (addr)) -#define dev_to_baddr(dev, addr) \ - pdev_to_baddr(to_pci_dev(dev), (addr)) - -struct device; - -static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, - size_t size) -{ - dma_addr_t pa = dev_to_baddr(dev, virt_to_phys(addr)); - - return pa; -} - -static dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page) -{ - dma_addr_t pa = dev_to_baddr(dev, page_to_phys(page)); - - return pa; -} - -static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr) -{ - return dma_addr & ~(0xffUL << 56); -} - -static inline void plat_unmap_dma_mem(dma_addr_t dma_addr) -{ -} - -static inline int plat_device_is_coherent(struct device *dev) -{ - return 1; /* IP27 non-cohernet mode is unsupported */ -} - -#endif /* __ASM_MACH_IP27_DMA_COHERENCE_H */ |