[U-Boot] Low BogoMIPS on MPC8541
Luigi 'Comio' Mantellini
luigi.mantellini.ml at gmail.com
Tue Oct 27 16:29:26 CET 2009
Hi All,
I'm working on a stripped-down mpc8541 board (that has just
a serian and twe enets).
I have an issue on delay calibration. In fact at boot time, I see the
following linux printk message on the serial console:
....
Calibrating delay loop... 83.20 BogoMIPS (lpj=166400)
....
This value seems to be too low and I suspect an error propagated from u-boot.
Can anyone help me to understand a good way to investigate this problem? which
registers or configuration values I need to check?
I will post the necessary snips of code or configuration if required.
Thanks a lot for your help,
ciao
luigi
--
Luigi 'Comio' Mantellini
R&D - Software
Industrie Dial Face S.p.A.
Via Canzo, 4
20068 Peschiera Borromeo (MI), Italy
Tel.: +39 02 5167 2813
Fax: +39 02 5167 2459
Email: luigi.mantellini at idf-hit.com
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