[U-Boot-Users] MPC5200 XLB / IP Frequencies
mla at binar.se
mla at binar.se
Mon May 30 13:29:30 CEST 2005
Hi,
we are using u-boot on the MPC5200.
In the file "cpu_init.c" there is a comment: "Motorola reports IPB better
run at 133MHz".
Does anyone know where this information can be found?
I tried to find a note in the errata (Rev 5 10/2004) but found the
following in support ID 412:
"Use the clock ratio XLB : IP = 2 : 1" - and with XLB running at maximum
132MHz it contradicts
the statement that IP runs better at 133MHz.
Has anyone any ideas about how this mix together?
Thanks
Mats Larsson
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