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https://github.com/torvalds/linux
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33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2000 Ani Joshi <ajoshi@unixbox.com>
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* Copyright (C) 2000, 2001 Ralf Baechle <ralf@gnu.org>
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* Copyright (C) 2005 Ilya A. Volynets-Evenbakh <ilya@total-knowledge.com>
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* swiped from i386, and cloned for MIPS by Geert, polished by Ralf.
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* IP32 changes by Ilya.
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* Cavium Networks: Create new dma setup for Cavium Networks Octeon based on
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* the kernels original.
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*/
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#include <linux/types.h>
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#include <linux/mm.h>
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#include <dma-coherence.h>
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dma_addr_t octeon_map_dma_mem(struct device *dev, void *ptr, size_t size)
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{
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/* Without PCI/PCIe this function can be called for Octeon internal
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devices such as USB. These devices all support 64bit addressing */
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mb();
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return virt_to_phys(ptr);
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}
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void octeon_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr)
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{
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/* Without PCI/PCIe this function can be called for Octeon internal
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* devices such as USB. These devices all support 64bit addressing */
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return;
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}
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