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-rw-r--r--include/asm-mips/mach-ip27/dma-coherence.h50
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
19struct device;
20
21static 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
29static 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
36static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
37{
38 return dma_addr & ~(0xffUL << 56);
39}
40
41static inline void plat_unmap_dma_mem(dma_addr_t dma_addr)
42{
43}
44
45static 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 */