[uClinux-dev] 5272-based USB boot device

Vladimir Vorobyov vladimir.vorobyov at iss.org.ua
Fri Mar 21 04:51:10 EST 2003


Yes, but it is not so hard to implement it.
When I played with that driver I did it. You just need to create new user
application (but you may have some problems with boot sector).

Regards,
Vlad.

----- Original Message -----
From: "David Miller" <davidm at midstream.com>
To: <uclinux-dev at uclinux.org>
Sent: Thursday, March 20, 2003 11:45 PM
Subject: RE: [uClinux-dev] 5272-based USB boot device


> I've looked at that driver, but it doesn't appear implement a "Mass
Storage
> Class" device.  What I need is a way to connect the 5272 to a PC and have
it
> recognized as a bootable Mass Storage device.  It could either use a
> dedicated portion of Flash or export part or all of a JFFS2 filesystem.
>
> -----Original Message-----
> From: Vladimir Vorobyov [mailto:vladimir.vorobyov at iss.org.ua]
> Sent: Thursday, March 20, 2003 1:40 AM
> To: uclinux-dev at uclinux.org
> Subject: Re: [uClinux-dev] 5272-based USB boot device
>
>
> I don't exactly understand what do you want, but
> as I know Motorola has the USB device driver for uClinux as well as for
the
> standalone version on their web site (www.mot.com).
> I hope this helps.
>
>
> Regards,
> Vlad.
>
> ----- Original Message -----
> From: David Miller
> To: uCLinux Dev List (E-mail)
> Sent: Wednesday, March 19, 2003 8:11 PM
> Subject: [uClinux-dev] 5272-based USB boot device
>
>
> I have an application where I am considering a ColdFire 5272 as a system
> control processor.  It is going to have a big chunk of data Flash
> (16-64MBytes) connected to it for FPGA loading.  We also have a USB
> connection to our host CPU (dual Xeon running FreeBSD) and we would like
to
> be able to use a chunk of the Flash for a boot loader.
>
> The questions I have are:
> 1. How hard is it going to be to implement a Bootable USB Device with a
> 5272?  Has anyone done it?
> 2. How much external RAM and Program Flash do I need?
> 3. Is there a better processor for the job?
>
> Thanks!
>
> --DLM
> --
> David L. Miller
> DavidM at MidStream.com
> 777 108th Avenue, NE, Suite 1700
> Bellevue, WA  98004
> Phone:   425.201.2022 x257
> Fax:   425.201.2023
> URL:  http://www.midstream.com
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