Subversion Repositories or1k

/*

 * linux/include/asm-arm/arch-tbox/memory.h

 *

 * Copyright (c) 1996-1999 Russell King.

 * Copyright (c) 1998-1999 Phil Blundell

 */

#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)

#define PHYS_OFFSET             (0x80000000UL)

/*

 * DRAM is contiguous

 */

#define __virt_to_phys(vpage) ((vpage) - PAGE_OFFSET + PHYS_OFFSET)

#define __phys_to_virt(ppage) ((ppage) + PAGE_OFFSET - PHYS_OFFSET)

#define __virt_to_phys__is_a_macro

#define __phys_to_virt__is_a_macro

/*

 * Bus view is the same as physical view

 */

#define __virt_to_bus__is_a_macro

#define __virt_to_bus(x)        __virt_to_phys(x)

#define __bus_to_virt__is_a_macro

#define __bus_to_virt(x)        __phys_to_virt(x)

#endif