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/* * linux/include/asm-arm/arch-pxa/memory.h * * Author: Nicolas Pitre * Copyright: (C) 2001 MontaVista Software Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H /* * Physical DRAM offset. */ #define PHYS_OFFSET UL(0xa0000000) /* * 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. */ #define __virt_to_bus(x) __virt_to_phys(x) #define __bus_to_virt(x) __phys_to_virt(x) /* * The nodes are matched with the physical SDRAM banks as follows: * * node 0: 0xa0000000-0xa3ffffff --> 0xc0000000-0xc3ffffff * node 1: 0xa4000000-0xa7ffffff --> 0xc4000000-0xc7ffffff * node 2: 0xa8000000-0xabffffff --> 0xc8000000-0xcbffffff * node 3: 0xac000000-0xafffffff --> 0xcc000000-0xcfffffff * * This needs a node mem size of 26 bits. */ #define NODE_MEM_SIZE_BITS 26 #endif |