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 13 /* Memory segments (32bit Priviledged mode addresses) */ 14 #define P0SEG 0x00000000 15 #define P1SEG 0x80000000 16 #define P2SEG 0xa0000000 17 #define P3SEG 0xc0000000 18 #define P4SEG 0xe0000000 19 20 #if defined(__sh3__) 21 /* Should fill here */ 22 #elif defined(__SH4__) 23 /* Detailed P4SEG */ 24 #define P4SEG_STORE_QUE (P4SEG) 25 #define P4SEG_IC_ADDR 0xf0000000 26 #define P4SEG_IC_DATA 0xf1000000 27 #define P4SEG_ITLB_ADDR 0xf2000000 28 #define P4SEG_ITLB_DATA 0xf3000000 29 #define P4SEG_OC_ADDR 0xf4000000 30 #define P4SEG_OC_DATA 0xf5000000 31 #define P4SEG_TLB_ADDR 0xf6000000 32 #define P4SEG_TLB_DATA 0xf7000000 33 #define P4SEG_REG_BASE 0xff000000 34 #endif 35 36 /* Returns the privileged segment base of a given address */ 37 #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) 38 39 /* Returns the physical address of a PnSEG (n=1,2) address */ 40 #define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) 41 42 /* 43 * Map an address to a certain privileged segment 44 */ 45 #define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG)) 46 #define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG)) 47 #define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG)) 48 #define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG)) 49 50 #endif /* __ASM_SH_ADDRSPACE_H */ 51