Re: [Qemu-devel] [PATCH 0/3] usb-musb: make qdev-aware

[Riku Voipio]

On Fri, Sep 02, 2011 at 09:50:44AM +0200, Gerd Hoffmann wrote:
> On 09/02/11 09:03, address@hidden wrote:
>>>> How to you test musb?
>>>
>>> Unfortunately I don't have any test cases which actively use the musb,
>>> so I settle for testing an n810 image (and a beagle image in my omap3
>>> tree) and confirming that the init part of things still works ok.
>>> (I'm not entirely happy with this but init is really all we're changing
>>> with these patches so we should be ok...)
>>>
>>> Riku/Juha -- do you have any musb test images/command lines?
>>
>> With an existing n810 image I guess you can test USB networking by adding
>> "-usb -net user,vlan=0 -net nic,model=usb,vlan=0 -usbdevice net -redir
>> tcp:2022::22" to qemu command line parameters. In the guest, launch X
>> terminal and command "sudo gainroot" followed by "udhcpc". You should now
>> be able to ssh to the guest from the host with "ssh -p 2022
>> address@hidden". Would this be sufficient for your needs?

> For starters just "qemu-system-arm -M n810" is better than nothing, this  
> does at least make sure it doesn't blow up somewhere when creating the  
> device tree.

> Booting an image and operating some usb device is even better.  Are n810  
> images are freely available for download somewhere?  Failing that, is it  
> possible to just install some linux distro (say debian) on the virtual  
> n810 or another arm device which has a musb controller?

n800/n810 qemu images based on official are not redistributable, as
they carry propiertary software. Instructions howto convert a firmare
to qemu image exist, but to get your hands on a firmware you need to
know a n800/n810 serial number:

http://marcin.juszkiewicz.com.pl/2008/04/11/nokia-n800-emulation/
http://www.rkeene.org/projects/info/wiki/106

Marcin might have a poky image still somehere thou?

Riku