Dear Prchal Jiří, > 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.prc...@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 This is based on old code.
Anyway, the Pull-Ups are enabled in the current (not yet in mainline) at91sam9260ek port. Best Regards, Reinhard _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
