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5b3b1688 DD |
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) 2000 Ani Joshi <ajoshi@unixbox.com> | |
7 | * Copyright (C) 2000, 2001 Ralf Baechle <ralf@gnu.org> | |
8 | * Copyright (C) 2005 Ilya A. Volynets-Evenbakh <ilya@total-knowledge.com> | |
9 | * swiped from i386, and cloned for MIPS by Geert, polished by Ralf. | |
10 | * IP32 changes by Ilya. | |
11 | * Cavium Networks: Create new dma setup for Cavium Networks Octeon based on | |
12 | * the kernels original. | |
13 | */ | |
14 | #include <linux/types.h> | |
15 | #include <linux/mm.h> | |
16 | ||
17 | #include <dma-coherence.h> | |
18 | ||
19 | dma_addr_t octeon_map_dma_mem(struct device *dev, void *ptr, size_t size) | |
20 | { | |
21 | /* Without PCI/PCIe this function can be called for Octeon internal | |
22 | devices such as USB. These devices all support 64bit addressing */ | |
23 | mb(); | |
24 | return virt_to_phys(ptr); | |
25 | } | |
26 | ||
27 | void octeon_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr) | |
28 | { | |
29 | /* Without PCI/PCIe this function can be called for Octeon internal | |
30 | * devices such as USB. These devices all support 64bit addressing */ | |
31 | return; | |
32 | } |