View source for Additional UART on Linux (Naon)

=== Rebuild U-Boot ===

Copy the generated source code (pinmux.h) and overwrite the original <code>board/dave/naon/pinmux.h</code> file inside the source tree.

The differences between the two files should look like the following patch

<diff>
diff --git a/board/dave/naon/pinmux.h b/board/dave/naon/pinmux.h
index c1fccd6..0e6b2e2 100644
--- a/board/dave/naon/pinmux.h
+++ b/board/dave/naon/pinmux.h
@@ -208,8 +208,8 @@ MUX_VAL(PINCNTL168, (IEN | IPU | DISABLED )) /* safe_mode */\
 MUX_VAL(PINCNTL169, (IEN | IPD | DISABLED )) /* safe_mode */\
 MUX_VAL(PINCNTL170, (IEN | IPD | DISABLED )) /* safe_mode */\
 MUX_VAL(PINCNTL171, (IEN | IPD | DISABLED )) /* safe_mode */\
-MUX_VAL(PINCNTL172, (IEN | IPD | DISABLED )) /* safe_mode */\
-MUX_VAL(PINCNTL173, (IEN | IPU | DISABLED )) /* safe_mode */\
+MUX_VAL(PINCNTL172, (IDIS | IPD | FCN6 )) /* UART2_RXD_MUX0 */\
+MUX_VAL(PINCNTL173, (IDIS | IPD | FCN6 )) /* UART2_TXD_MUX1 */\
 MUX_VAL(PINCNTL174, (IEN | IPD | DISABLED )) /* safe_mode */\
 MUX_VAL(PINCNTL175, (IEN | IPD | FCN1 )) /* VOUT[0]_FLD_MUX1 */\
 MUX_VAL(PINCNTL176, (IEN | IPD | FCN1 )) /* VOUT[0]_CLK */\
</diff>