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Re: eCos port/update for MIPS malta & sead3 platforms
- From: John Dallaway <john at dallaway dot org dot uk>
- To: charleschiou at mips dot com
- Cc: eCos development list <ecos-devel at ecos dot sourceware dot org>
- Date: Mon, 03 Dec 2012 14:58:22 +0000
- Subject: Re: eCos port/update for MIPS malta & sead3 platforms
- References: <CD9FF9C3FDCD2E44BAB54EDCC176E15EC07366@exchdb03.mips.com>
Charles
Thank you for getting in touch.
On 03/12/12 12:49, Chiou, Charles wrote:
> I would like to submit patches to update the support for MIPS platforms on the
> boards Malta and SEAD3.
That's great news.
> Specifically, the patches will:
>
> - Update outdated drivers for proper hardware support on modern malta
> - Support the SEAD3 board
> - Retain compatibility with QEMU's malta emulator
I have experimented with QEMU's Malta emulation and the eCos
malta_mips32_4kc target in the past. I was able to boot RedBoot but
QEMU's PCI support (required for eCos/RedBoot networking) seemed to be
broken. Is this working now?
> - Support the newest mips-sde-elf-gcc toolchain (Sourcery CodeBench Lite 2012.03-64)
Does your current eCos code continue to build with the eCos
mipsisa32-elf toolchain (GCC 4.3.2)?
> Since we only focused on booting from Yamon and u-boot, we only tested
> RAM configurations. However, if RedBoot support is required, we can work with
> the maintainer to get a clean patch in, too.
It would be good to support RedBoot, certainly we would wish to avoid
breaking the existing RedBoot support for MIPS Malta.
> Please let me know how I can proceed with sending the patch upstream.
The procedure for contributing to eCos (via a Bugzilla report) is
described at:
http://ecos.sourceware.org/fom-serv/ecos/cache/45.html
John Dallaway
eCos maintainer
http://www.dallaway.org.uk/john