diff options
Diffstat (limited to 'include/asm-avr32/addrspace.h')
-rw-r--r-- | include/asm-avr32/addrspace.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/asm-avr32/addrspace.h b/include/asm-avr32/addrspace.h new file mode 100644 index 000000000000..366794858ec7 --- /dev/null +++ b/include/asm-avr32/addrspace.h | |||
@@ -0,0 +1,43 @@ | |||
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 */ | ||