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 at yahoo.gr] Envoye : jeudi 17 octobre 2002 09:57 A : acurtis at onz.com; Dominique Letty; linuxppc-embedded at 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 <acurtis at onz.com> ??????: > > > 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/
