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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] SPL Dfu update
Date: Wed, 30 Oct 2013 21:03:20 +0100	[thread overview]
Message-ID: <20131030200320.D757F380C14@gemini.denx.de> (raw)
In-Reply-To: <CAOf5uw=gn4=k9K2pjUA6nxocKWStJ4-GP+sb6_+HGiyW1Nv23Q@mail.gmail.com>

Dear Michael Trimarchi,

In message <CAOf5uw=gn4=k9K2pjUA6nxocKWStJ4-GP+sb6_+HGiyW1Nv23Q@mail.gmail.com> you wrote:
> 
> > That's the reason I do not understand why we have to push DFU into SPL.
> > Maybe we both are missing something.
> 
> It's simple:
> 
> - first stage boot can be sent over the otg
> - using dfu to flash the u-boot.img, kernel .. etc

Why should the image "sent over the otg" be just the SPL, and not
include the real U-Boot?

> dfu is another way to upload and write second stage or what you want. I don't

Why make it so complicated and write a second part at all?  Why not
write it in a single go?


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
Premature optimization is the root of all evil.         -- D.E. Knuth

  parent reply	other threads:[~2013-10-30 20:03 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-30  8:28 [U-Boot] SPL Dfu update Michael Trimarchi
2013-10-30  8:38 ` Michael Trimarchi
2013-10-30 12:58   ` Lukasz Majewski
2013-10-30 13:15     ` Michael Trimarchi
2013-10-30 13:28     ` Stefano Babic
2013-10-30 13:29       ` Michael Trimarchi
2013-10-30 13:44         ` Tom Rini
2013-10-30 13:52           ` Michael Trimarchi
2013-10-30 14:19             ` Otavio Salvador
2013-10-30 14:24               ` Stefano Babic
2013-10-30 14:32                 ` Eric Nelson
2013-10-30 15:58                   ` Michael Trimarchi
2013-10-30 20:01                   ` Wolfgang Denk
2013-10-30 20:08                     ` Eric Nelson
2013-10-30 14:34                 ` Michael Trimarchi
2013-10-30 19:33                   ` Tom Rini
2013-10-30 19:43                     ` Michael Trimarchi
2013-10-30 19:47                       ` Tom Rini
2013-10-30 19:58                         ` Michael Trimarchi
2013-10-30 20:04                           ` Tom Rini
2013-10-30 20:03                   ` Wolfgang Denk [this message]
2013-10-30 20:06                     ` Michael Trimarchi
2013-10-30 19:36             ` Tom Rini
2013-10-30 19:58         ` Wolfgang Denk
2013-10-30 20:01           ` Michael Trimarchi
2013-10-30 20:11             ` Wolfgang Denk
2013-10-30 20:35               ` Michael Trimarchi
2013-10-30 20:53                 ` Otavio Salvador
2013-10-30 21:37                   ` Michael Trimarchi
2013-10-31 13:20               ` Tom Rini
2013-11-08 22:09                 ` Michael Trimarchi
2013-10-30 20:07           ` Tom Rini

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