-void btext_setup_display(int width, int height, int depth, int pitch,
- unsigned long address);
-void map_boot_text(void);
-void btext_update_display(unsigned long phys, int width, int height,
- int depth, int pitch);
+extern int btext_initialize(struct device_node *np);
+
+extern void map_boot_text(void);
+extern void btext_update_display(unsigned long phys, int width, int height,
+ int depth, int pitch);