From: Dan Malek <dan@embeddededge.com>
To: Greg Herlein <gherlein@herlein.com>
Cc: Linux MIPS mailing list <linux-mips@linux-mips.org>
Subject: Re: Pb1500 and PCMCIA booting?
Date: Mon, 27 Oct 2003 20:32:09 -0500 [thread overview]
Message-ID: <3F9DC719.50700@embeddededge.com> (raw)
In-Reply-To: Pine.LNX.4.44.0310271113460.604-100000@io.herlein.com
Greg Herlein wrote:
> Does anyone have advice/experience in what's the best way to get
> linux booting from the Pb1500 development board directly off
> PCMCIA?
Yes, but actually getting something to boot is the easy part.
When you look down the road to real products there are various
methods of software update/recovery chosen depending upon
the environment, device and features.
> Any advice/gotchas/hints as I start down this path?
There are various open source boot rom projects that you
can use to find examples of doing this. If you don't want
to replace yamon on the board, just write some code (from
the boot rom examples) that initializes the PCMCIA, knows
how to peruse the file system of your choice, can read
the kernel into memory and jump to it. Put this code
someplace in the flash so you can start it from yamon.
Depending upon the tools you have, this is probably
the "best" because it doesn't affect a working boot
rom on the board, just extends it use.
-- Dan
next prev parent reply other threads:[~2003-10-28 0:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-27 19:15 Pb1500 and PCMCIA booting? Greg Herlein
2003-10-28 0:16 ` Pete Popov
2003-10-28 1:32 ` Dan Malek [this message]
2003-10-27 20:41 ` Greg Herlein
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