summaryrefslogtreecommitdiff
path: root/arch/m68k/include/asm/fb_mm.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/include/asm/fb_mm.h')
-rw-r--r--arch/m68k/include/asm/fb_mm.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/fb_mm.h b/arch/m68k/include/asm/fb_mm.h
new file mode 100644
index 000000000000..380b97ae8157
--- /dev/null
+++ b/arch/m68k/include/asm/fb_mm.h
@@ -0,0 +1,34 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/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 */
+
+static inline int fb_is_primary_device(struct fb_info *info)
+{
+ return 0;
+}
+
+#endif /* _ASM_FB_H_ */