From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <20021017135003.23135.qmail@web13115.mail.yahoo.com> Date: Thu, 17 Oct 2002 14:50:03 +0100 (BST) From: =?iso-8859-7?q?John=20Nikiforos?= Subject: RE: Problem with MPC8260 buffer descriptor To: Dominique Letty Cc: linuxppc-embedded@lists.linuxppc.org In-Reply-To: <000e01c275da$33148ba0$3501a8c0@none> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-7 Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: I don't remember if it is called ECE or ESE. I think it is on the HID0. But I am not sure. I currently don't have the manual handy. John --- Dominique Letty έγραψε: > > I don't find any information about this ECE bit in > MPC8260UM and 603eUM. > Where can I enable it? > > Thinks for your help. > > Dominique > -----Message d'origine----- > De : John Nikiforos [mailto:ppclinuxuser@yahoo.gr] > Envoye : jeudi 17 octobre 2002 09:57 > A : acurtis@onz.com; Dominique Letty; > linuxppc-embedded@lists.linuxppc.org > Objet : RE: Problem with MPC8260 buffer descriptor > > > Is the ECE bit enabled? > (Cache coherency for the 8260, so that the > CPM wont get any stalled data) > > John > > --- Allen Curtis έγραψε: > > > > Now I try to port this driver under Linux 2.4.17 > > Kernel for a MPC8260. I > > > have allocated > > > Buffer Descriptors in DPRAM and Data Buffers in > > SDRAM. When I try > > > to send a > > > buffer, I fill > > > a data buffer and the first BD registers, I > think, > > with the > > > correct values. > > > It doesn't work > > > anytimes. When the buffer is transmited, the > > sending data are correct. The > > > problem seems to > > > come from the CPM which can't access to the BD > > modifications in the DPRAM. > > > > > > Does anyone have already meet these problems? > > > > Would it be a problem to post your: > > > > 1. GSMRH & GSRM_L initialization > > 2. SCC Parameter RAM configuration > > 3. Location of your BDs in DPRAM > > > > THX > > > > > > > > > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/