/* * linux/include/asm-arm/arch-adifcc/memory.h * * Copyright (c) 2001 MontaVista Software, Inc. */ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H /* * Task size: 3GB */ #define TASK_SIZE (0xc0000000UL) #define TASK_SIZE_26 (0x04000000UL) /* * This decides where the kernel will search for a free chunk of vm * space during mmap's. */ #define TASK_UNMAPPED_BASE (TASK_SIZE / 3) /* * Page offset: 3GB */ #define PAGE_OFFSET (0xc0000000UL) /* * Physical DRAM offset. */ #define PHYS_OFFSET (0xC0000000UL) /* * physical vs virtual ram conversion */ #define __virt_to_phys__is_a_macro #define __phys_to_virt__is_a_macro #define __virt_to_phys(x) ((x) - PAGE_OFFSET + PHYS_OFFSET) #define __phys_to_virt(x) ((x) - PHYS_OFFSET + PAGE_OFFSET) /* * 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__is_a_macro #define __bus_to_virt__is_a_macro #define __virt_to_bus(x) __virt_to_phys(x) #define __bus_to_virt(x) __phys_to_virt(x) #define PHYS_TO_NID(x) 0 #endif