From: Mike Frysinger <vapier.adi@gmail.com>
To: Wolfgang Denk <wd@denx.de>
Cc: Andy Green <andy@warmcat.com>, Matt Hsu <matt@0xlab.org>,
linux-embedded@vger.kernel.org,
celinux-dev@tree.celinuxforum.org
Subject: Re: [Celinux-dev] CELF Project Proposal- Refactoring Qi, lightweight bootloader
Date: Mon, 21 Dec 2009 14:32:36 -0500 [thread overview]
Message-ID: <8bd0f97a0912211132o55621bb9jd0139b740526bfd@mail.gmail.com> (raw)
In-Reply-To: <20091221193038.38CB63F6EF@gemini.denx.de>
On Mon, Dec 21, 2009 at 14:30, Wolfgang Denk wrote:
> Andy wrote:
>> Another big problem with U-Boot was the inability to update the
>> bootloader from the Linux world. Instead the bootloader was treated
>> special and had to be updated over USB with DFU (the exclusivity of it
>> enforced by an ECC policy disconnected from Linux, meaning U-Boot had to
>> write it in there). In Qi, the bootloader can be updated by a packaged
>> update like anything else in the rootfs.
>
> Can you explain to me why it was not possible to update U-Boot from
> Linux? I cannot imagine a reason for such a restriction.
we do it all the time under the Blackfin port on nor/nand/spi flashes.
-mike
next prev parent reply other threads:[~2009-12-21 19:32 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-17 8:31 CELF Project Proposal- Refactoring Qi, lightweight bootloader Matt Hsu
2009-12-17 9:21 ` Andy Green
2009-12-21 19:30 ` [Celinux-dev] " Wolfgang Denk
2009-12-21 19:32 ` Mike Frysinger [this message]
2009-12-21 20:17 ` Andy Green
2009-12-21 21:38 ` Wolfgang Denk
2009-12-21 22:38 ` Andy Green
2009-12-21 23:17 ` Wookey
2009-12-21 23:19 ` Robert Schwebel
2009-12-22 8:22 ` Andy Green
2009-12-22 11:12 ` Robert Schwebel
2009-12-22 22:23 ` Andy Green
2009-12-22 23:28 ` Robert Schwebel
2009-12-23 8:38 ` Andy Green
2009-12-23 8:56 ` Robert Schwebel
2009-12-23 9:29 ` Andy Green
2009-12-23 9:43 ` Robert Schwebel
2009-12-27 7:27 ` Rob Landley
2009-12-27 10:09 ` Andy Green
2009-12-28 0:21 ` Rob Landley
2009-12-28 11:33 ` Andy Green
2009-12-27 7:17 ` Rob Landley
2009-12-27 9:54 ` Andy Green
2009-12-27 23:15 ` Rob Landley
2009-12-28 10:27 ` Andy Green
2009-12-28 19:57 ` Peter Korsgaard
2009-12-28 20:20 ` Andy Green
2009-12-29 4:25 ` Rob Landley
2009-12-29 11:11 ` Andy Green
2009-12-17 23:13 ` Tim Bird
2009-12-21 2:45 ` [Celinux-dev] " Rob Landley
2009-12-21 5:51 ` Matt Hsu
2009-12-21 8:00 ` Rob Landley
2009-12-21 9:54 ` Andy Green
2009-12-21 20:49 ` Wookey
2009-12-23 2:28 ` Jamie Lokier
2009-12-23 8:48 ` Andy Green
2009-12-29 13:13 ` Jamie Lokier
2009-12-29 13:36 ` Andy Green
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