[U-Boot] [Feature] Android Fastboot over Ethernet

[Lukasz Majewski <lukma@denx.de>]

Hi Alex,

> Hi all,
> 
> Android Things on rpi supports fastboot over udp since most rpis don't
> expose a suitable USB port for fastboor over USB. It also uses the A/B
> booting mechanism similar to Pixel phones.
> 
> The U-Boot code for the latest Android Things preview is in AOSP:
> https://android.googlesource.com/platform/external/u-boot/+/android-o-mr1-iot-preview-7
> 
> In particular, the fastboot over UDP support was added by
> https://android.googlesource.com/platform/external/u-boot/+/018e7c25c7c0260a6d021c84521eab808657c1a8
> and subsequent commits. "git log android-o-mr1-iot-preview-7 --not
> v2017.07 --oneline --no-merges" should give you a cleaner list what
> was added on top of 2017.07.
> 
> I believe most of those patches (or cleaned up versions) were shared
> in this list at the time.

I would say that I would be more than happy to see patches adding this
feature to u-boot's fastboot.

> 
> Best regards,
> deymo.
> 
> 
> 2018-04-04 9:20 GMT+02:00 Lukasz Majewski <lukma@denx.de>:
> 
> > Hi Stanislas,
> >  
> > > Has there been any development to support Android Fastboot
> > > Ethernet feature in U-Boot ?
> > >
> > > https://android.googlesource.com/platform/system/core/+/  
> > android-7.1.2_r36/fastboot/fastboot_protocol.txt  
> > >
> > >
> > > The target board has not USB device port available to flash the
> > > on-board eMMC.  
> >
> > I'm not aware of any such effort.
> >
> > However, if you want to flash eMMC via ETH, then maybe you can look
> > into DFU TFTP feature.
> >
> > Please read: ./doc/README.dfutftp
> >  
> > >
> > > Flashing the eMMC via U-Boot shell commands would be very much
> > > slower and limited.
> > >
> > >
> > > _______________________________________________
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> >
> >
> >
> >
> > Best regards,
> >
> > Lukasz Majewski
> >
> > --
> >
> > DENX Software Engineering GmbH,      Managing Director: Wolfgang
> > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell,
> > Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email:
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> >
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> >  




Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
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
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