23 Feb
2009
23 Feb
'09
11:56 a.m.
Hi,
On Sat, Feb 21, 2009 at 10:32:33PM +0100, Wolfgang Denk wrote:
Dear Guennadi Liakhovetski,
In message Pine.LNX.4.64.0902061353280.7686@axis700.grange you wrote:
In message Pine.LNX.4.64.0902061002160.4970@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 |