IDE:	- make ide_inb () and ide_outb () "weak", so boards can
          define there own I/O functions.
          (Needed for the pcs440ep board).
        - The default I/O Functions are again 8 Bit accesses.
        - Added CONFIG_CMD_IDE for the pcs440ep Board.

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/include/ide.h b/include/ide.h
index 6976a6c..222f4f8 100644
--- a/include/ide.h
+++ b/include/ide.h
@@ -26,6 +26,8 @@
 
 #define	IDE_BUS(dev)	(dev >> 1)
 
+#define	ATA_CURR_BASE(dev)	(CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
+
 #ifdef CONFIG_IDE_LED
 
 /*