/* * linux/include/asm-arm/arch-ixp4xx/memory.h * * Copyright (c) 2001-2004 MontaVista Software, Inc. */ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H #include /* * Physical DRAM offset. */ #define PHYS_OFFSET UL(0x00000000) #if !defined(__ASSEMBLY__) && defined(CONFIG_PCI) void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes); #define arch_adjust_zones(node, size, holes) \ ixp4xx_adjust_zones(node, size, holes) #define ISA_DMA_THRESHOLD (SZ_64M - 1) #endif /* * Virtual view <-> DMA view memory address translations * virt_to_bus: Used to translate the virtual address to an * address suitable to be passed to set_dma_addr * bus_to_virt: Used to convert an address for DMA operations * to an address that the kernel can use. * * These are dummies for now. */ #define __virt_to_bus(x) __virt_to_phys(x) #define __bus_to_virt(x) __phys_to_virt(x) #endif