From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailrelay007.isp.belgacom.be (mailrelay007.isp.belgacom.be [195.238.6.173]) by ozlabs.org (Postfix) with ESMTP id 71CF7DDEDD for ; Thu, 22 Nov 2007 04:30:08 +1100 (EST) From: Laurent Pinchart To: linuxppc-embedded@ozlabs.org Subject: Re: Firmware Support for USB Hub Date: Wed, 21 Nov 2007 18:29:59 +0100 References: <13877282.post@talk.nabble.com> <474468C5.8080402@freescale.com> In-Reply-To: <474468C5.8080402@freescale.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1909474.Xya0fQoNH2"; protocol="application/pgp-signature"; micalg=pgp-sha1 Message-Id: <200711211830.02997.laurentp@cse-semaphore.com> Cc: Misbah khan List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --nextPart1909474.Xya0fQoNH2 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Wednesday 21 November 2007 18:20, Scott Wood wrote: > Misbah khan wrote: > > Hi all, > > > > I am using a 8248 processor which has a USB controller and i need to > > connect a USB Hub to it, iam using Montavista Linux .I need to know that > > what are the support i need form Montavista or Open source to have an > > interface with Usb hub. ??? > > > > Is there any driver that we need to make if so what type ??? > > I don't believe a driver currently exists for CPM USB. There's an experimental out-of-tree driver available at=20 http://cpm2usb.sourceforge.net/ The code is outdated and doesn't work, but that's a starting point. If I remember correctly, CPM2 USB host support requires the host to create = SOF=20 packets in software. High system loads will probably mess the bus up. A=20 colleague of mines was told by Freescale to use an external USB controller= =20 instead of the MPC8248 bundled one. =2D-=20 Laurent Pinchart CSE Semaphore Belgium Chauss=E9e de Bruxelles, 732A B-1410 Waterloo Belgium T +32 (2) 387 42 59 =46 +32 (2) 387 42 75 --nextPart1909474.Xya0fQoNH2 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQBHRGsa8y9gWxC9vpcRAvrHAJ9UWDcLi/zPDZg6ttaGmPeYs06RsQCeNJVs Yc3oasV6DhyZAjxDiIv3PRE= =SDZX -----END PGP SIGNATURE----- --nextPart1909474.Xya0fQoNH2--