| Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 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 */ |