All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jerry Van Baren <gerald.vanbaren@ge.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] Increasing U-Boot partition size
Date: Mon, 04 Aug 2008 16:35:24 -0400	[thread overview]
Message-ID: <4897680C.1000309@ge.com> (raw)
In-Reply-To: <20080804203311.E078124885@gemini.denx.de>

Wolfgang Denk wrote:
> In message <489765FB.1010002@ge.com> you wrote:
>>> Your choices are 0xfff00000 and zero, based on the BMS (Boot Memory 
>>> Space) bit of the low reset control word.
>>>
>>> -Scott
>> ...and of the two options, I recommend 0xfff00000 ("boot high").  Note 
>> that the start of u-boot is 0xfff00000 but the reset vector itself is 
>> 0xfff00100 (or 0x00000100 for "boot low").  The first 0x100 bytes has 
>> the u-boot signature and version info.
> 
> I disagree.
> 
> High-booting systems are a PITA. You always lose a full  megabyte  at
> the  end of the flash of which usually only 256 kB or less are needed
> for U-Boot, wasting 0.75 MB.
> 
> Also, systems with varying number of flash banks and/or flash sizes
> are not really straightforward to handle.
> 
> Low-booting is much, much saner.
> 
> Best regards,
> 
> Wolfgang Denk

Arrr, my insanity.  Wolfgang is correct, of course.

Sorry,
gvb

  reply	other threads:[~2008-08-04 20:35 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-01 17:16 [U-Boot-Users] Increasing U-Boot partition size Jatin Sharma
2008-08-04 17:56 ` Scott Wood
2008-08-04 19:03   ` Jatin Sharma
2008-08-04 19:04     ` Scott Wood
2008-08-04 19:59       ` Jatin Sharma
2008-08-04 20:01         ` Scott Wood
2008-08-04 20:03           ` Scott Wood
2008-08-04 20:26           ` Jerry Van Baren
2008-08-04 20:33             ` Wolfgang Denk
2008-08-04 20:35               ` Jerry Van Baren [this message]
2008-08-04 20:44                 ` David Hawkins
2008-08-04 20:50                   ` Jerry Van Baren

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4897680C.1000309@ge.com \
    --to=gerald.vanbaren@ge.com \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.