Don't include linux/config.h from anywhere else in include/
[linux-2.6.git] / include / asm-cris / arch-v10 / page.h
1 #ifndef _CRIS_ARCH_PAGE_H
2 #define _CRIS_ARCH_PAGE_H
3
4
5 #ifdef __KERNEL__
6
7 /* This handles the memory map.. */
8 #ifdef CONFIG_CRIS_LOW_MAP
9 #define PAGE_OFFSET             KSEG_6   /* kseg_6 is mapped to physical ram */
10 #else
11 #define PAGE_OFFSET             KSEG_C   /* kseg_c is mapped to physical ram */
12 #endif
13
14 /* macros to convert between really physical and virtual addresses
15  * by stripping a selected bit, we can convert between KSEG_x and 0x40000000 where
16  * the DRAM really resides
17  */
18
19 #ifdef CONFIG_CRIS_LOW_MAP
20 /* we have DRAM virtually at 0x6 */
21 #define __pa(x)                 ((unsigned long)(x) & 0xdfffffff)
22 #define __va(x)                 ((void *)((unsigned long)(x) | 0x20000000))
23 #else
24 /* we have DRAM virtually at 0xc */
25 #define __pa(x)                 ((unsigned long)(x) & 0x7fffffff)
26 #define __va(x)                 ((void *)((unsigned long)(x) | 0x80000000))
27 #endif
28
29 #endif
30 #endif