| /* |
| * 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 |
| |
| |
| /* |
| * 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 (0xa0000000UL) |
| #define PHYS_TO_NID(addr) (0) |
| |
| /* |
| * 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. |
| */ |
| #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) |
| |
| #endif |
