1/* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 1999 by Kaz Kojima 7 * 8 * Defitions for the address spaces of the SH CPUs. 9 */ 10#ifndef __ASM_SH_ADDRSPACE_H 11#define __ASM_SH_ADDRSPACE_H 12#ifdef __KERNEL__ 13 14#include <asm/cpu/addrspace.h> 15 16/* Memory segments (32bit Privileged mode addresses) */ 17#ifndef CONFIG_CPU_SH2A 18#define P0SEG 0x00000000 19#define P1SEG 0x80000000 20#define P2SEG 0xa0000000 21#define P3SEG 0xc0000000 22#define P4SEG 0xe0000000 23#else 24#define P0SEG 0x00000000 25#define P1SEG 0x00000000 26#define P2SEG 0x20000000 27#define P3SEG 0x00000000 28#define P4SEG 0x80000000 29#endif 30 31/* Returns the privileged segment base of a given address */ 32#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) 33 34/* Returns the physical address of a PnSEG (n=1,2) address */ 35#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) 36 37/* 38 * Map an address to a certain privileged segment 39 */ 40#define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG)) 41#define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG)) 42#define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG)) 43#define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG)) 44 45#endif /* __KERNEL__ */ 46#endif /* __ASM_SH_ADDRSPACE_H */ 47