diff -Nurd a/board/overo/overo.h b/board/overo/overo.h
--- a/board/overo/overo.h	2009-09-30 19:08:36.000000000 +0200
+++ b/board/overo/overo.h	2009-09-30 19:17:57.000000000 +0200
@@ -268,7 +268,7 @@
 	MUX_VAL(CP(MCSPI1_CLK),		(IEN  | PTD | DIS | M0)) /*McSPI1_CLK*/\
 	MUX_VAL(CP(MCSPI1_SIMO),	(IEN  | PTD | DIS | M0)) /*McSPI1_SIMO */\
 	MUX_VAL(CP(MCSPI1_SOMI),	(IEN  | PTD | DIS | M0)) /*McSPI1_SOMI */\
-	MUX_VAL(CP(MCSPI1_CS0),		(IEN  | PTD | EN  | M0)) /*McSPI1_CS0*/\
+	MUX_VAL(CP(MCSPI1_CS0),		(IDIS | PTD | EN  | M0)) /*McSPI1_CS0*/\
 	MUX_VAL(CP(MCSPI1_CS1),		(IDIS | PTD | EN  | M0)) /*McSPI1_CS1*/\
 	MUX_VAL(CP(MCSPI1_CS2),		(IEN  | PTU | DIS | M4)) /*GPIO_176 */\
 								 /* - LAN_INTR */\