41 lines
934 B
C
41 lines
934 B
C
/*
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* linux/include/asm-arm/arch-ixp4xx/memory.h
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*
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* Copyright (c) 2001-2004 MontaVista Software, Inc.
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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/sizes.h>
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/*
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* Physical DRAM offset.
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*/
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#define PHYS_OFFSET UL(0x00000000)
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#if !defined(__ASSEMBLY__) && defined(CONFIG_PCI)
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void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes);
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#define arch_adjust_zones(node, size, holes) \
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ixp4xx_adjust_zones(node, size, holes)
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#define ISA_DMA_THRESHOLD (SZ_64M - 1)
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#endif
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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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* These are dummies for now.
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*/
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#define __virt_to_bus(x) __virt_to_phys(x)
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#define __bus_to_virt(x) __phys_to_virt(x)
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#endif
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