From: Wolfgang Denk <wd@denx.de>
To: Grant Likely <glikely@gmail.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: Fwd: Memory Size Requirement to Run Linux on Embedded Environment
Date: Sat, 12 Feb 2005 23:15:21 +0100 [thread overview]
Message-ID: <20050212221526.2B75FC1430@atlas.denx.de> (raw)
In-Reply-To: Your message of "Sat, 12 Feb 2005 11:57:06 MST." <528646bc05021210572aaeaa3f@mail.gmail.com>
In message <528646bc05021210572aaeaa3f@mail.gmail.com> you wrote:
>
> > This is not correct. U-Boot is located where your memory map dictates
> > it, this can be the begining or the end or right in the middle of
> > your flash - depending on your hardware design.
> I suggested the beginning of flash under the assumption that u-boot
> would be the first code to execute. Albert, if it is not then you
> will need to have some other code at the boot location.
That's what I intended topoint out: this is hardware dependent; some
processiors support low-boot (0x100) and high-boot (0xFFF00100),
others have a fixed reset vector (0xFFFFFFFC), and yet other
architectures behave differently (like ARM startin at 0x0000).
Best regards,
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de
"There are things that are so serious that you can only joke about
them" - Heisenberg
prev parent reply other threads:[~2005-02-12 22:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-12 8:19 Memory Size Requirement to Run Linux on Embedded Environment David, Albert
[not found] ` <528646bc05021201091a106a96@mail.gmail.com>
2005-02-12 10:17 ` Fwd: " Grant Likely
2005-02-12 18:21 ` Wolfgang Denk
2005-02-12 18:57 ` Grant Likely
2005-02-12 22:15 ` Wolfgang Denk [this message]
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