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author | Jesper Nilsson <jesper.nilsson@axis.com> | 2008-10-21 17:45:58 +0200 |
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committer | Jesper Nilsson <jesper.nilsson@axis.com> | 2008-10-29 17:29:44 +0100 |
commit | 556dcee7b829e5c350c3ffdbdb87a8b15aa3c5d3 (patch) | |
tree | 26485b0d92eedcba6c0c96d4069469041aaf7106 /arch/cris/include/arch-v10/arch/page.h | |
parent | Merge branch 'for-next' of git://www.jni.nu/cris into cris_merge (diff) | |
download | wireguard-linux-556dcee7b829e5c350c3ffdbdb87a8b15aa3c5d3.tar.xz wireguard-linux-556dcee7b829e5c350c3ffdbdb87a8b15aa3c5d3.zip |
[CRIS] Move header files from include to arch/cris/include.
Change all users of header files to correct path.
Remove some unneeded headers for arch-v32.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Diffstat (limited to 'arch/cris/include/arch-v10/arch/page.h')
-rw-r--r-- | arch/cris/include/arch-v10/arch/page.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/cris/include/arch-v10/arch/page.h b/arch/cris/include/arch-v10/arch/page.h new file mode 100644 index 000000000000..ffafc99c3472 --- /dev/null +++ b/arch/cris/include/arch-v10/arch/page.h @@ -0,0 +1,30 @@ +#ifndef _CRIS_ARCH_PAGE_H +#define _CRIS_ARCH_PAGE_H + + +#ifdef __KERNEL__ + +/* This handles the memory map.. */ +#ifdef CONFIG_CRIS_LOW_MAP +#define PAGE_OFFSET KSEG_6 /* kseg_6 is mapped to physical ram */ +#else +#define PAGE_OFFSET KSEG_C /* kseg_c is mapped to physical ram */ +#endif + +/* macros to convert between really physical and virtual addresses + * by stripping a selected bit, we can convert between KSEG_x and + * 0x40000000 where the DRAM really resides + */ + +#ifdef CONFIG_CRIS_LOW_MAP +/* we have DRAM virtually at 0x6 */ +#define __pa(x) ((unsigned long)(x) & 0xdfffffff) +#define __va(x) ((void *)((unsigned long)(x) | 0x20000000)) +#else +/* we have DRAM virtually at 0xc */ +#define __pa(x) ((unsigned long)(x) & 0x7fffffff) +#define __va(x) ((void *)((unsigned long)(x) | 0x80000000)) +#endif + +#endif +#endif |