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 @@ | |||
1 | /* | ||
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 | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org> | ||
7 | * | ||
8 | */ | ||
9 | #ifndef __ASM_MACH_IP27_DMA_COHERENCE_H | ||
10 | #define __ASM_MACH_IP27_DMA_COHERENCE_H | ||
11 | |||
12 | #include <asm/pci/bridge.h> | ||
13 | |||
14 | #define pdev_to_baddr(pdev, addr) \ | ||
15 | (BRIDGE_CONTROLLER(pdev->bus)->baddr + (addr)) | ||
16 | #define dev_to_baddr(dev, addr) \ | ||
17 | pdev_to_baddr(to_pci_dev(dev), (addr)) | ||
18 | |||
19 | struct device; | ||
20 | |||
21 | static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, | ||
22 | size_t size) | ||
23 | { | ||
24 | dma_addr_t pa = dev_to_baddr(dev, virt_to_phys(addr)); | ||
25 | |||
26 | return pa; | ||
27 | } | ||
28 | |||
29 | static dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page) | ||
30 | { | ||
31 | dma_addr_t pa = dev_to_baddr(dev, page_to_phys(page)); | ||
32 | |||
33 | return pa; | ||
34 | } | ||
35 | |||
36 | static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr) | ||
37 | { | ||
38 | return dma_addr & ~(0xffUL << 56); | ||
39 | } | ||
40 | |||
41 | static inline void plat_unmap_dma_mem(dma_addr_t dma_addr) | ||
42 | { | ||
43 | } | ||
44 | |||
45 | static inline int plat_device_is_coherent(struct device *dev) | ||
46 | { | ||
47 | return 1; /* IP27 non-cohernet mode is unsupported */ | ||
48 | } | ||
49 | |||
50 | #endif /* __ASM_MACH_IP27_DMA_COHERENCE_H */ | ||