Re: [iPAQ] Cpu scaling ??

So as it currently stands, there is no way of changing the cpu speed on the
IPAQ, with the current cvs baseline. Is this correct? or can we go back to
the old cpu-scale method with the current 2.4.16 cvs.

Bob

On Sunday 06 January 2002 7:15 pm, Erik Mouw wrote:
> On Sun, Jan 06, 2002 at 06:37:14PM +0000, bob lees wrote:
> > On my machine, Ipaq 3765, this appears to be in /proc/sys/cpu/0/speed, is
> > this the same reference?
>
> Yes, that's the same. I forgot the 'sys' part.
>
> > If so when I use, for example, "echo [-n] 191700 > speed" the value
> > doesn't change. I take it from the comments and contents of
> > sa1100_dram_settings that this should change the cpu speed. I am running
> > a home built kernel from cvs checkout on 27 December.
>
> Ipaq is not yet supported, somebody with exact knowledge of the memory
> parameters (i.e.: the Compaq people) should put a struct sdram_params
> for each Ipaq in cpu-sa1110.c.
>
> > Looking at the Makefile in arch/arm/mach-sa1100/ it appears that
> > "CONFIG_SA1100_LART" needs to be set to get cpu-sa1100.c compiled. In my
> > fairly stock .config, from the default 3600 config a la Jamey, this is
> > not set. From the help notes it shouldn't be, I'm not running a LART.
> > So should this compile option be tied to a different config item or items
> > or should I be defining LART and if so will this have a detrimental
> > effect on the rest of my 3600 operation??
>
> The Ipaq uses an SA1110 CPU, so you need cpu-sa1110.c instead of
> cpu-sa1100.c.
>
>
> Erik
Received on Mon Jan 7 04:09:33 2002