答复: 答复: 答复: 答复: Getting Started with freebios2!

[Steven James]

Greetings,

I will have time over the weekend and hopefully next week. First, I'll
have to get my replacement board flashed up (but that shouldn't be too
bad).

The baremetal code did/does work on the flash device I have (Trekstore).

Probably the first thing for me is to see if FILO works with my device. It
may be a case of different interpretations of the spec, and just a need to
work out details like that.

G'day,
sjames


-------------------------steven james, director of research, linux labs
... ........ ..... ....                    230 peachtree st nw ste 2701
the original linux labs                             atlanta.ga.us 30303
      -since 1995                              http://www.linuxlabs.com
                                              office & fax 866.545.6306
-----------------------------------------------------------------------


On Fri, 28 May 2004, YhLu wrote:

> You got time for USB boot debug?
>
> Do you have any idea about:
> USB device control ed works well, but the bulk ed doesn't work, USB report
> device not responding?
>
> Does the code in baremetal work?
> In the code, signature of cbw and csw define missed 0x.
>
> Regards
>
> YH
>
> -----邮件原件-----
> 发件人: Steven James [mailto:pyro at linuxlabs.com]
> 发送时间: 2004年5月27日 15:56
> 收件人: YhLu
> 抄送: ron minnich; Jay Miller; ebiederman at lnxi.com; LinuxBIOS
> 主题: Re: 答复: 答复: 答复: Getting Started with freebios2!
>
> Greetings,
>
> I'm finally getting dug out after being snowed under :-)
>
> The spec is probably part of:
> http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
>
> The communications class. I'm guessing it would be a subset of POTS modem
> with a transparent data protocol. That would imply line contol on the
> control ep, and either bulk transfer or isochronous pipe pairs for the
> serial data.
>
> It's a lot more involved than a simple UART, that's for sure.
>
> On a side note, I THOUGHT I would have time by now to bang on the USB
> boot. Hopefully, I'll be able to do more with it now (so I say :-)
>
> As soon as I get up to speed on freebios2, I'll have a good test platform.
>
> For the serial, UHCI and OHCI will be good. EHCI can likely be ignored for
> the BIOS since fast devices are required to fall back and EHCI always has
> one of UHCI or OHCI to handle low speed USB.
>
> G'day,
> sjames
>
>
> -------------------------steven james, director of research, linux labs
> ... ........ ..... ....                    230 peachtree st nw ste 2701
> the original linux labs                             atlanta.ga.us 30303
>       -since 1995                              http://www.linuxlabs.com
>                                               office & fax 866.545.6306
> -----------------------------------------------------------------------
>
>
> On Thu, 27 May 2004, YhLu wrote:
>
> > So the LinuxBIOS need to
> > 1. init USB controller
> > 2. create usb_dev to be serial.
> > 3. use usb_control_msg and usb_bulk_msg to talk with the serial device.
> >
> > What the USB type, OHCI or UCHI or EHCI??
> >
> > I wonder if some source code or documents that define No 3 above?
> >
> > Regards
> >
> > YH
> >
> > -----邮件原件-----
> > 发件人: ron minnich [mailto:rminnich at lanl.gov]
> > 发送时间: 2004年5月27日 14:23
> > 收件人: YhLu
> > 抄送: Jay Miller; ebiederman at lnxi.com; LinuxBIOS
> > 主题: Re: 答复: 答复: Getting Started with freebios2!
> >
> > On Thu, 27 May 2004, YhLu wrote:
> >
> > > Usb to serial ???
> >
> > yes, it's now needed :-(
> >
> > ron
> > _______________________________________________
> > Linuxbios mailing list
> > Linuxbios at clustermatic.org
> > http://www.clustermatic.org/mailman/listinfo/linuxbios
> >
>