From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp4.netcologne.de (smtp4.netcologne.de [194.8.194.137]) by ozlabs.org (Postfix) with ESMTP id 733B0DDF0D for ; Tue, 26 Feb 2008 07:01:45 +1100 (EST) Received: from antares.localdomain (xdsl-87-78-247-218.netcologne.de [87.78.247.218]) by smtp4.netcologne.de (Postfix) with ESMTP id 11F2CDB7DD for ; Mon, 25 Feb 2008 21:01:43 +0100 (CET) Received: from antares.localdomain (localhost.localdomain [127.0.0.1]) by antares.localdomain (Postfix) with ESMTP id AC9C432F531 for ; Mon, 25 Feb 2008 21:01:42 +0100 (CET) Date: Mon, 25 Feb 2008 21:01:42 +0100 From: =?UTF-8?q?Albrecht_Dre=C3=9F?= Subject: Re: Status of 5200B and 440 Kernel Support To: linuxppc-embedded@ozlabs.org In-Reply-To: <20080224073800.4bdb30ac@zod.rchland.ibm.com> (from jwboyer@linux.vnet.ibm.com on Sun Feb 24 14:38:00 2008) Message-Id: <1203969702l.2318l.2l@antares.localdomain> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; protocol="application/pgp-signature"; boundary="=-AjNjr+qBd9XelJykHECA" List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --=-AjNjr+qBd9XelJykHECA Content-Type: text/plain; charset=us-ascii; DelSp=Yes; Format=Flowed Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Josh, thanks a lot for your answers! Am 24.02.08 14:38 schrieb(en) Josh Boyer: > > - MTD/NAND controller >=20 > NOR flash works. NAND needs some additional code. Hmm - does it mean it's currently under development? I couldn't find =20 anything in make xconfig for stock 2.6.24 (running on a PowerMac, but =20 of course with the 44x enabled). > UART works. IIC has recent patches. No idea about SPI. SPI is probably not too hard. I did some hacks for a slave in an =20 arm920 based environment for that. Here I would need master mode, so I =20 guess some of the infrastructure form drivers/spi can be used. > > - local external bus (not PCI) DMA >=20 > DMA to the EBC for what? To load data from an external measurement device which should be =20 connected to the cpu's external bus at a fixed address. It will =20 produce "bursts" which should be shifted out of it without cpu =20 intervention if possible, as it does not have a big fifo, and I must =20 not lose data. Thanks, Albrecht. --=-AjNjr+qBd9XelJykHECA Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.8 (GNU/Linux) iD8DBQBHwx6mn/9unNAn/9ERAjNrAKCsvQxwO1aWAxXSeN67+xtEuwEJbACggr55 uXiSfbXLQcv3du6kyEELqL0= =k8vP -----END PGP SIGNATURE----- --=-AjNjr+qBd9XelJykHECA--