1 files changed, 38 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/fb.h b/arch/m68k/include/asm/fb.h
new file mode 100644
index 000000000..be4e4c679
--- /dev/null
+++ b/arch/m68k/include/asm/fb.h
@@ -0,0 +1,38 @@
+#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_MMU
+#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 */
+#else
+#define fb_pgprotect(...) do {} while (0)
+#endif /* CONFIG_MMU */
+
+static inline int fb_is_primary_device(struct fb_info *info)
+{
+	return 0;
+}
+
+#endif /* _ASM_FB_H_ */