[U-Boot-Users] How to set CPU speed to 266mhz s3c2410?

michael trimarchi at gandalf.sssup.it
Wed Apr 23 09:05:19 CEST 2008


Hi,

p wrote:
> Sorry for the newb question but I've been googling like mad and can't
> find any clues (or more likely, can't understand what I do find).
>
> I'm looking at speed.c under /cpu/arm920t/s3c24xx and thinking this is
> the business end of CPU speed setting. I've been greping the source to
> see if I can track back to something calling them that I can understand,
> but no luck.
>   
under your board/<boardname>/<boardfile>
Take for example the board/smdk2410/smdk2410.c and
change
#if FCLK_SPEED==0               /* Fout = 203MHz, Fin = 12MHz for Audio */
#define M_MDIV  0xC3
#define M_PDIV  0x4
#define M_SDIV  0x1

Regards Michael




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