On Fri, 29 Aug 2008 20:37:25 +0200 Peter Korsgaard <[EMAIL PROTECTED]> wrote:
> Set gpio level register before direction register to inhibit > glitches on high level output pins. > > Dir and data gets cleared at powerup, so high level output lines see > a short low pulse between setting the direction and level registers. > > Issue was seen on a new board with the nReset line of the NOR flash > connected to a GPIO. Setting the direction register puts the NOR flash > in reset so the next instruction to set the level cannot get executed. > > Signed-off-by: Peter Korsgaard <[EMAIL PROTECTED]> > --- Hi Peter, this is a duplicate of: http://www.nabble.com/-U-Boot---PATCH--MPC83XX%3A-Fix-GPIO-configuration-to19119329.html#a19119329 so I'll merge your better description and s-o-b to that one if you don't mind. Kim _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot

