From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- .../include/asm/mach-cavium-octeon/dma-coherence.h | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h (limited to 'arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h') diff --git a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h new file mode 100644 index 000000000..460042ee5 --- /dev/null +++ b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h @@ -0,0 +1,71 @@ +/* + * 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 + * + * + * Similar to mach-generic/dma-coherence.h except + * plat_device_is_coherent hard coded to return 1. + * + */ +#ifndef __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H +#define __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H + +#include + +struct device; + +extern void octeon_pci_dma_init(void); + +static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, + size_t size) +{ + BUG(); + return 0; +} + +static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, + struct page *page) +{ + BUG(); + return 0; +} + +static inline unsigned long plat_dma_addr_to_phys(struct device *dev, + dma_addr_t dma_addr) +{ + BUG(); + return 0; +} + +static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, + size_t size, enum dma_data_direction direction) +{ + BUG(); +} + +static inline int plat_dma_supported(struct device *dev, u64 mask) +{ + BUG(); + return 0; +} + +static inline int plat_device_is_coherent(struct device *dev) +{ + return 1; +} + +static inline void plat_post_dma_flush(struct device *dev) +{ +} + +dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr); +phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr); + +struct dma_map_ops; +extern struct dma_map_ops *octeon_pci_dma_map_ops; +extern char *octeon_swiotlb; + +#endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */ -- cgit v1.2.3-54-g00ecf