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/*

 * linux/include/asm-arm/arch-cl7500/memory.h

 *

 * Copyright (c) 1996,1997,1998 Russell King.

 *

 * Changelog:

 *  20-Oct-1996 RMK     Created

 *  31-Dec-1997 RMK     Fixed definitions to reduce warnings

 *  11-Jan-1998 RMK     Uninlined to reduce hits on cache

 *  08-Feb-1998 RMK     Added __virt_to_bus and __bus_to_virt

 *  21-Mar-1999 RMK     Renamed to memory.h

 *              RMK     Added TASK_SIZE and PAGE_OFFSET

 */

#ifndef __ASM_ARCH_MMU_H

#define __ASM_ARCH_MMU_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     (0x10000000UL)

#define __virt_to_phys__is_a_macro

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

#define __phys_to_virt__is_a_macro

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

/*

 * These are exactly the same on the RiscPC as the

 * physical memory 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