1 #ifndef _CRIS_ARCH_PAGE_H
2 #define _CRIS_ARCH_PAGE_H
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 */
11 #define PAGE_OFFSET KSEG_C /* kseg_c is mapped to physical ram */
14 /* macros to convert between really physical and virtual addresses
15 * by stripping a selected bit, we can convert between KSEG_x and
16 * 0x40000000 where the DRAM really resides
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))
24 /* we have DRAM virtually at 0xc */
25 #define __pa(x) ((unsigned long)(x) & 0x7fffffff)
26 #define __va(x) ((void *)((unsigned long)(x) | 0x80000000))