[U-Boot-Users] UBoot hangs in serial_putc on mpc8xx

Wolfgang Denk wd at denx.de
Fri May 23 15:57:53 CEST 2003

In message <D96E2AFA0DF3D211B1390090274549480373628A at helios.gnv.tcc.thomson-csf.com> you wrote:
> >> 
> >> In fact it seems that the get_clocks return a freq of 33.6 Mhz whereas =
> >> it
> >> should be 38.4 Mhz...
> >
> >Do you have a clock connected to EXTAL, and which clock frequency is this?
> It seems that there is a lovely pull up on EXTAL...

Then it's probably a bad idea to try to determine the clock
frequencies from the known clock on EXTAL ...

#define'ing CONFIG_8xx_GCLK_FREQ is the right thing to do then.

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
A modem is a baudy house.

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