diff options
author | hauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-02-20 16:27:42 +0000 |
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committer | hauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-02-20 16:27:42 +0000 |
commit | 82c4f96e0155ea2b344fc12e2613f2a558b28ba9 (patch) | |
tree | 136db11a5fc8f4ef4dd9e448bb7c17945e605cd9 /target/linux/atheros/files-2.6.28/arch/mips/include/asm/mach-atheros/dma-coherence.h | |
parent | a348226cd2f1e87f82d2489e8b04b665cd0fcc20 (diff) |
[atheros]: Add initial kernel 2.6.28 support for atheros target.
The include files moved from /include/asm-mips/mach-atheros/ to /arch/mips/include/asm/mach-atheros/
This patch is based on the old kernel 2.6.27 patches.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14584 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/atheros/files-2.6.28/arch/mips/include/asm/mach-atheros/dma-coherence.h')
-rw-r--r-- | target/linux/atheros/files-2.6.28/arch/mips/include/asm/mach-atheros/dma-coherence.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/atheros/files-2.6.28/arch/mips/include/asm/mach-atheros/dma-coherence.h b/target/linux/atheros/files-2.6.28/arch/mips/include/asm/mach-atheros/dma-coherence.h new file mode 100644 index 000000000..fe5355688 --- /dev/null +++ b/target/linux/atheros/files-2.6.28/arch/mips/include/asm/mach-atheros/dma-coherence.h @@ -0,0 +1,41 @@ +/* + * 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 + +#define PCI_DMA_OFFSET 0x20000000 + +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 */ |