From: Michael <xemc@yahoo.com>
To: amareesh@tataelxsi.co.in, linux-mtd@lists.infradead.org
Subject: Re: Booting from onboard flash
Date: Wed, 4 May 2005 09:15:10 -0700 (PDT) [thread overview]
Message-ID: <20050504161510.69444.qmail@web52709.mail.yahoo.com> (raw)
In-Reply-To: 6667
> Hi
>
> Plzz help me on this. .
> I want to boot Linux image straight from my onboard flash.
Yep. I guess we all want that.
What kind of flash do you have? I'm assuming NOR-type flash,
right?
Does your bootloader (dBug? I'm not familar with it) run from
flash?
> WHat i have ::
>
> 1. Motorola coldfire 5272C3 based board.
Is that like a development kit? If it is, perhaps someone has the
same one.
> 2. Complied uClinux for the same.
> 3. have the image for LINUX +FILESYSTEM(romfs)
And you've tested them out by running out of ram, right?
> 4. Have copied this image to flash.
>
> What i wanna do :
>
> I want to use the dBug option go <start address> to boot straight
> from flash.
Well.. What happened (in my case, anyways) is that I put a 'zImage'
into NOR flash, and it knew where to uncompress itself (into RAM).
My bootloader set up ram and a few other things, and then ran the
zImage (like the 'go' command), which uncompressed itself to
0xc0008000.
Take a look here:
http://www.arm.linux.org.uk/developer/noboot-checklist/
What do you use for those values (ZRELADDR, TEXTADDR, ...)?
You may need to fix or tweak them.
> Can anyone plzz help me on this.
I'd like to be helpful. =]
Mike
next reply other threads:[~2005-05-04 16:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-04 16:15 Michael [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-05-04 9:47 Booting from onboard flash amareesh
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