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42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/*
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* include/asm-arm/arch-at91rm9200/memory.h
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*
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* Copyright (C) 2004 SAN People
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __ASM_ARCH_MEMORY_H
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#define __ASM_ARCH_MEMORY_H
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#include <asm/hardware.h>
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#define PHYS_OFFSET (AT91_SDRAM_BASE)
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/*
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* Virtual view <-> DMA view memory address translations
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* virt_to_bus: Used to translate the virtual address to an
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* address suitable to be passed to set_dma_addr
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* bus_to_virt: Used to convert an address for DMA operations
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* to an address that the kernel can use.
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*/
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#define __virt_to_bus__is_a_macro
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#define __virt_to_bus(x) __virt_to_phys(x)
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#define __bus_to_virt__is_a_macro
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#define __bus_to_virt(x) __phys_to_virt(x)
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#endif
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