1 /* 2 * Defitions for the address spaces of the AVR32 CPUs. Heavily based on 3 * include/asm-sh/addrspace.h 4 * 5 * Copyright (C) 2004-2006 Atmel Corporation 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 #ifndef __ASM_AVR32_ADDRSPACE_H 12 #define __ASM_AVR32_ADDRSPACE_H 13 14 #ifdef CONFIG_MMU 15 16 /* Memory segments when segmentation is enabled */ 17 #define P0SEG 0x00000000 18 #define P1SEG 0x80000000 19 #define P2SEG 0xa0000000 20 #define P3SEG 0xc0000000 21 #define P4SEG 0xe0000000 22 23 /* Returns the privileged segment base of a given address */ 24 #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) 25 26 /* Returns the physical address of a PnSEG (n=1,2) address */ 27 #define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) 28 29 /* 30 * Map an address to a certain privileged segment 31 */ 32 #define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) \ 33 | P1SEG)) 34 #define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) \ 35 | P2SEG)) 36 #define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) \ 37 | P3SEG)) 38 #define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) \ 39 | P4SEG)) 40 41 #endif /* CONFIG_MMU */ 42 43 #endif /* __ASM_AVR32_ADDRSPACE_H */ 44