[U-Boot] Clock frequency on a mx31 board

Magnus Lilja lilja.magnus at gmail.com
Wed May 20 08:30:08 CEST 2009


Hi

2009/5/20 alfred steele <alfred.jaquez at gmail.com>:
> Hi,
>
> The processor clock on the board i am using is  to 532Mhz. I want to
> default it to 400(399) Mhz. I tried tweaking values in
> include/configs/<boardname>.h file but with little success.
> How do i change the frequency to 399 through the uboot code?

You have to edit the PLL settings in your lowlevel_init.S (or equivalent).

/Magnus


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