diff options
Diffstat (limited to 'include/asm-m68k/fb.h')
| -rw-r--r-- | include/asm-m68k/fb.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/asm-m68k/fb.h b/include/asm-m68k/fb.h new file mode 100644 index 000000000000..f78bad476b08 --- /dev/null +++ b/include/asm-m68k/fb.h @@ -0,0 +1,28 @@ +#ifndef _ASM_FB_H_ +#define _ASM_FB_H_ + +#include <linux/fs.h> +#include <asm/page.h> +#include <asm/setup.h> + +#ifdef CONFIG_SUN3 +static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, + unsigned long off) +{ + pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE; +} +#else +static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, + unsigned long off) +{ + if (CPU_IS_020_OR_030) + pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030; + if (CPU_IS_040_OR_060) { + pgprot_val(vma->vm_page_prot) &= _CACHEMASK040; + /* Use no-cache mode, serialized */ + pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S; + } +} +#endif /* CONFIG_SUN3 */ + +#endif /* _ASM_FB_H_ */ |