[uClinux-dev] Minimum RAM for uClinux

Måns Brorsson mans.brorsson at gmail.com
Wed Oct 12 07:55:26 EDT 2005


I'm using a NIOS board with an APPEX20k. And i get loads of problems(errors)
when i validate the ide support. Dosen't uClinux 2.4 support the ide driver?

Ok the FLASH first!
Thanks Mans
On 10/12/05, David McCullough <davidm at snapgear.com> wrote:
>
>
> Jivin M?ns Brorsson lays it down ...
> > I have a disk that i'am trying to connect to my board, haven't got the
> ide
> > controller to work yet. Then i have to write a boot strap and get it
> gooing
> > from the FLASH. Do you now wich bootloader i should use and wich
> parameters
> > to change so the kernel will be satisfied with my small RAM
>
> uboot seems to be doing fairly well lately. It may even support your
> platform already.
>
> Adding IDE drivers to your kernel will probably stop your config from
> working.
>
> You didn't say which CPU you are using ?
>
> I would get flash going first then IDE ;-)
>
> Cheers,
> Davidm
>
> > On 10/12/05, David McCullough <davidm at snapgear.com> wrote:
> > >
> > >
> > > Jivin M?ns Brorsson lays it down ...
> > > > I have 1Mb Flash and 256kb RAM
> > >
> > > If you run the kernel from flash, mount the FS from flash (XIP),
> > > configure the kernel without networking, only essential drivers
> > > and only the minimum filesystem (/bin/sh and little more), then you
> > > should be able to get something to boot, but it will be trickier
> > > than a normal bring up :-)
> > >
> > > Cheers,
> > > Davidm
>
> --
> David McCullough, davidm at cyberguard.com.au, Custom Embedded Solutions +
> Security
> Ph:+61 734352815 Fx:+61 738913630 http://www.uCdot.org
> http://www.cyberguard.com
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>



--
Måns Brorsson
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