[U-Boot] u-boot USB status

[U-Boot] u-boot USB status

[Marcel]

Hi,

I've been away for some time and I wonder if there has been any progress on 
the u-boot USB branch.

What I want to do is upgrade my kernel and rootfs via USB. I'm using an Atmel 
SAM9.

I wonder about the status and if any additional work is needed I'm willing to 
help with the project of course. I'm very familiar with USB as I've written 
many bootloaders with USB support before (all proprietary) but I'm just a 
little  familiar with the u-boot USB structure.
My intentions are to contribute to the project because I think USB upgrading 
is a must to make things a bit more user friendly.

Any pointers to get me going again are highly appreciated. The first thing I 
need is USB support in u-boot for my SAM9, from there I think it's a fairly 
easy job. 

Thanks,
Marcel

[U-Boot] u-boot USB status

[Damien Dusha]

Hi Marcel,

> What I want to do is upgrade my kernel and rootfs via USB. I'm using an Atmel
> SAM9.

You might be able to find some inspiration in
./boards/mcc200/auto_update.c and ./boards/mcc200/mcc200.c which uses
the U-Boot USB stack for this purpose.

This assumes there is USB host support for the SAM9 (which I have no
idea whether there is or not).

  -- Damien

[U-Boot] u-boot USB status

[Marcel]

Hi Damien,

Thanks for the info. I will check it out.

I'm also not sure if the SAM9 USB device support is available.
I actually did some work a while ago to make USB work for the SAM9 but had to 
leave it in non-working condition at the time. If SAM9 USB is not supported 
yet, I guess I best fix my code and contribute it. 

Best regards,
Marcel

> Hi Marcel,
> 
> > What I want to do is upgrade my kernel and rootfs via USB. I'm using an
> > Atmel SAM9.
> 
> You might be able to find some inspiration in
> ./boards/mcc200/auto_update.c and ./boards/mcc200/mcc200.c which uses
> the U-Boot USB stack for this purpose.
> 
> This assumes there is USB host support for the SAM9 (which I have no
> idea whether there is or not).
> 
>   -- Damien

[U-Boot] u-boot USB status

[Remy Bohmer]

Hi Marcel,

2010/9/17 Marcel <korgull@home.nl>:
> Hi Damien,
>
> Thanks for the info. I will check it out.
>
> I'm also not sure if the SAM9 USB device support is available.
> I actually did some work a while ago to make USB work for the SAM9 but had to
> leave it in non-working condition at the time. If SAM9 USB is not supported
> yet, I guess I best fix my code and contribute it.

Sam9 host controller support is already in the mainline for years.
(sam9 uses the OHCI host)
There is sam9 device support in the u-boot-usb branch but first the
CDC branch need to be pushed to mainline during the next merge window
(I hope).

Kind regards,

Remy

[U-Boot] u-boot USB status

[Wolfgang Denk]

Dear Remy Bohmer,

In message <AANLkTi=UXxi9K8CqUnBGP2k_nkHvf+cgv-oirQtrOcNk@mail.gmail.com> you wrote:
> 
> There is sam9 device support in the u-boot-usb branch but first the
> CDC branch need to be pushed to mainline during the next merge window

Feel free to start pushing - the "next" branch is waiting :-)

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
If a packet hits a pocket on a socket on a port,
And the bus is interrupted as a very last resort,
And the address of the memory makes your floppy disk abort,
Then the socket packet pocket has an error to report! - Ken Burchill?

[U-Boot] u-boot USB status

[Marcel]

Hi Remy,

At this moment I only need the device support because the host connection is 
not always available on my designs. Host support is however also very 
interesting and I certainly will have a need for that as well at some point.

It's wonderful news that there's something available already and I will 
certainly check this out. Do have an idea for which board type this was 
implemented ?

Thanks a lot for your reply,
Marcel

> Hi Marcel,
> 
> 2010/9/17 Marcel <korgull@home.nl>:
> > Hi Damien,
> > 
> > Thanks for the info. I will check it out.
> > 
> > I'm also not sure if the SAM9 USB device support is available.
> > I actually did some work a while ago to make USB work for the SAM9 but
> > had to leave it in non-working condition at the time. If SAM9 USB is not
> > supported yet, I guess I best fix my code and contribute it.
> 
> Sam9 host controller support is already in the mainline for years.
> (sam9 uses the OHCI host)
> There is sam9 device support in the u-boot-usb branch but first the
> CDC branch need to be pushed to mainline during the next merge window
> (I hope).
> 
> Kind regards,
> 
> Remy

[U-Boot] u-boot USB status

[Remy Bohmer]

Hi Marcel,

Please don' t top-post...

2010/9/23 Marcel <korgull@home.nl>:
> Hi Remy,
>
> At this moment I only need the device support because the host connection is
> not always available on my designs. Host support is however also very
> interesting and I certainly will have a need for that as well at some point.
>
> It's wonderful news that there's something available already and I will
> certainly check this out. Do have an idea for which board type this was
> implemented ?

The sam9 device support in the u-boot-usb branch was originally
developed for the at91sam9261-ek board.

Kind regards,

Remy