Hi, On Sat, Feb 21, 2009 at 10:32:33PM +0100, Wolfgang Denk wrote: > Dear Guennadi Liakhovetski, > > In message <pine.lnx.4.64.0902061353280.7...@axis700.grange> you wrote: > > > > > In message <pine.lnx.4.64.0902061002160.4...@axis700.grange> you wrote: > > > > Upon power on i.MX31 enables most peripheral clocks, Linux disables the > > > > ones > > > > > > Why does U-Boot do that? > > > > i.MX31 does that - the CPU, not U-Boot. I.e., this is the default power-on > > mode. > > Yea, but U-Boot performs h/w initialization. So why does it not - like > Linux - set sane defaults (with only the necessary clocks enabled) ?
I simply forgot it. The clock registers do not get resetted on reset, only on power up. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot