8260 core/bus/cpm clock

[Yu Bo-BOYU1]

It works after I changed bd->bi_busfreq = 66 in embed_config.c .
It even clear my UART baud rate confusion.

Thanks.

Bo


-----Original Message-----
From: Allen Curtis [mailto:acurtis at onz.com]
Sent: Thursday, October 10, 2002 9:07 AM
To: Yu Bo-BOYU1; linuxppc-embedded at lists.linuxppc.org
Subject: RE: 8260 core/bus/cpm clock


If you are using EST8260 as your board type, then you are using the embedded
boot loader. Look in embed_config.c

> It is vxWorks bootrom. I could not (don't know) pass boot line
> into linux. This is the default boot line.
>
> # cat /proc/cmdline
> root=/dev/nfs rw ip=auto
>
> Bo
>
>
> -----Original Message-----
> From: Allen Curtis [mailto:acurtis at onz.com]
> Sent: Thursday, October 10, 2002 9:02 AM
> To: Yu Bo-BOYU1; linuxppc-embedded at lists.linuxppc.org
> Subject: RE: 8260 core/bus/cpm clock
>
>
> > After dumping cpu information,
> >
> > # cat /proc/cpuinfo
> > cpu             : 82xx
> > core clock      : 132 MHz
> > CPM  clock      : 66 MHz
> > bus  clock      : 33 MHz
> > revision        : 1.1 (pvr 0081 0101)
> > bogomips        : 54.88
> >
> > I found this is NOT correct for the custom board. It should be
> > 66/133/166MHZ. However
> > I did not find any configurable entry in "make xconfig".
>
> What is your bootloader? Some loaders pass this information to
> the kernel at
> boot.
>


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