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1 /*
2  * arch/arm/mach-ixp4xx/include/mach/memory.h
3  *
4  * Copyright (c) 2001-2004 MontaVista Software, Inc.
5  */
6 
7 #ifndef __ASM_ARCH_MEMORY_H
8 #define __ASM_ARCH_MEMORY_H
9 
10 #include <asm/sizes.h>
11 
12 /*
13  * Physical DRAM offset.
14  */
15 #define PHYS_OFFSET	UL(0x00000000)
16 
17 #if !defined(__ASSEMBLY__) && defined(CONFIG_PCI)
18 
19 void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes);
20 
21 #define arch_adjust_zones(node, size, holes) \
22 	ixp4xx_adjust_zones(node, size, holes)
23 
24 #define ISA_DMA_THRESHOLD (SZ_64M - 1)
25 #define MAX_DMA_ADDRESS		(PAGE_OFFSET + SZ_64M)
26 
27 #endif
28 
29 #endif
30