[U-Boot] [PATCH] at91sam9260ek: pull up on gpio

Prchal Jiří
2011-04-27T06:38:06Z

This fixes floating pin PB14 (DRXD) if it is unconnected, witch cause sometimes to stop autoboot by receiving char
(noise). It turns internal pull up on this pin.
It turns pull up on all other pins where should be pull up and is set in driver too.

Signed-off-by: Jiri Prchal <jiri.prchal@aksignal.cz>

--- u-boot-2010.09/include/configs/at91sam9260ek.h.orig 2010-09-28 23:20:55.000000000 +0200
+++ u-boot-2010.09/include/configs/at91sam9260ek.h 2011-04-27 08:05:16.231133740 +0200
@@ -55,6 +55,7 @@
* Hardware drivers
*/
#define CONFIG_AT91_GPIO 1
+#define CONFIG_AT91_GPIO_PULLUP 1
#define CONFIG_ATMEL_USART 1
#undef CONFIG_USART0
#undef CONFIG_USART1