Re: [openrisc] question about ORP

[Marko Mlinar <markom@opencores.org>]

On Monday 19 August 2002 02:37, Zhangyong wrote:
> Danjan, thank you!
>
> > Heya !
> >
> > uclinux ran on xess xsv800 board and also on a proprietary board. These
> > two boards had different amount of RAM, xess xsv800 has 2MB. So you can
> > compile uclinux for 2MB or 8MB. Same with ethernet mac base address. ORP
> > defines that it should be at 0x92000000, where some other non-ORP system
> > might put it somewhere else.
>
>         If I run uclinux on my proprietary board, which has different
> amount of RAM and different base address of some devices from ORP, which
> files of uclinux  do I need to modify?
> Same to say, which files of or32-uClinux define the amount of RAM,
> devices's base address and interrupt, etc?
Like Damjan said, we defined ORP -- OpenRISC Reference Platform.

http://www.opencores.org/projects/or1k/ORPmon

If possible update your hardware to ORP architecture. If you can do this, it 
would be the easiest solution for you (no need to change any part of software 
each time you download it, less questions) and for us (less support).

If not, you will need to update the SW packages, which is not so trivial is 
some cases. Under uClinux, there is a file board.h and head.S. I think these
files should containt very much what you need.

best regards,
	Marko

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