From: KIMURA Masaru / hiyuh <kimura@fs.se.uec.ac.jp>
To: gentoo-embedded@lists.gentoo.org
Subject: Re: [gentoo-embedded] new ARM920T based computer design (EP9315)
Date: Tue, 31 Jan 2006 01:31:38 +0900 [thread overview]
Message-ID: <20060130163138.GA22143@fs.se.uec.ac.jp> (raw)
In-Reply-To: <200601300831.42993.liquidcable@bulah.com>
On 08:31 Mon 30 Jan , Heath Holcomb wrote:
(SNIP)
> Thanks for the links! It looks like the stock 2.6.x kernel does not work
> fully with the EP93xx chips, right?
IIRC, it is NOT official 2.6.x kernel as its name is.
Official linux-2.6.15 tarball shows that, it has NO arch/arm/march-ep93xx or so.
So, it means you needs EP93xx patches or so, maybe.
About Armadillo-9, it has 2.6.x and 2.4.x kernel sources.
http://download.atmark-techno.com/armadillo-9/source/
And almost it seems work fine for the SBC's specification said.
And then, some EP93xx chips has Maverick Crunch FPU.
I want to this FPU to compute some mathematical operations.
But now, it's PITA for me.
Because, for support this FPU, it needs official GNU gcc version 4.0.2 or so.
Otherwise, some hacks are required.
http://yann.poupet.free.fr/ep93xx/
> Do you know anything about running the kernel out of NOR flash? I ask because
> NOR flash can execute out of inself, instead of having to copy the kernel to
> RAM and run from RAM. This makes boot times faster, but NOR flash does not
> support filing systems the way NAND flash does (think compact flash,
> usbsticks, etc..).
I'm not familir with the features of difference of between NOR and NAND flash.
And then, Armadillo-9 can select which it boots from CF or its flash.
Mine boots from MicroDrive via CF interface at the moment.
After it boot, it can use USB. But it can not boots from USB stick, I heard.
IMHO, to make boot time faster depends on boot loader and/or init script
rather than kernel.
Armadillo-9 has hermit-at as bootloader which is branched from hermit
and shoehorn as kernel parameters setting app.
sys-apps/baselayout-lite in portage tree would be nice for tweaking init
script, maybe.
--
gentoo-embedded@gentoo.org mailing list
prev parent reply other threads:[~2006-01-30 16:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-28 2:42 [gentoo-embedded] new ARM920T based computer design (EP9315) Heath Holcomb
2006-01-28 18:54 ` wireless
2006-01-30 9:22 ` KIMURA Masaru / hiyuh
2006-01-30 14:31 ` Heath Holcomb
2006-01-30 16:31 ` KIMURA Masaru / hiyuh [this message]
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=20060130163138.GA22143@fs.se.uec.ac.jp \
--to=kimura@fs.se.uec.ac.jp \
--cc=gentoo-embedded@lists.gentoo.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox