diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-01 09:51:51 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-01 09:51:51 -0700 |
commit | 0242909a6135e10a28822c64f9ad50fdad52757c (patch) | |
tree | c5f9c8abe95a65433e6ac356871f2379c02488fe /arch/cris/include/arch-v32/arch/page.h | |
parent | 0a6d2fac615972142715d736289abeeb7382e81d (diff) | |
parent | 556dcee7b829e5c350c3ffdbdb87a8b15aa3c5d3 (diff) |
Merge branch 'cris_move' of git://www.jni.nu/cris
* 'cris_move' of git://www.jni.nu/cris:
[CRIS] Move header files from include to arch/cris/include.
[CRISv32] Remove warning in io.h
Diffstat (limited to 'arch/cris/include/arch-v32/arch/page.h')
-rw-r--r-- | arch/cris/include/arch-v32/arch/page.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/cris/include/arch-v32/arch/page.h b/arch/cris/include/arch-v32/arch/page.h new file mode 100644 index 00000000000..20f1b4806bf --- /dev/null +++ b/arch/cris/include/arch-v32/arch/page.h @@ -0,0 +1,27 @@ +#ifndef _ASM_CRIS_ARCH_PAGE_H +#define _ASM_CRIS_ARCH_PAGE_H + + +#ifdef __KERNEL__ + +#define PAGE_OFFSET KSEG_C /* kseg_c is mapped to physical ram. */ + +/* + * Macros to convert between physical and virtual addresses. By stripping a + * selected bit it's possible to convert between KSEG_x and 0x40000000 where the + * DRAM really resides. DRAM is virtually at 0xc. + */ +#ifndef CONFIG_ETRAX_VCS_SIM +#define __pa(x) ((unsigned long)(x) & 0x7fffffff) +#define __va(x) ((void *)((unsigned long)(x) | 0x80000000)) +#else +#define __pa(x) ((unsigned long)(x) & 0x3fffffff) +#define __va(x) ((void *)((unsigned long)(x) | 0xc0000000)) +#endif + +#define VM_STACK_DEFAULT_FLAGS (VM_READ | VM_WRITE | \ + VM_MAYREAD | VM_MAYWRITE) + +#endif /* __KERNEL__ */ + +#endif /* _ASM_CRIS_ARCH_PAGE_H */ |