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_ */