From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <199910111812.UAA00352@piglet.cpu.lu> Date: Mon, 11 Oct 1999 20:12:06 +0200 (CEST) From: Michel Lanners Reply-To: mlan@cpu.lu Subject: Re: busmaster/latency for video To: Geert.Uytterhoeven@sonycom.com cc: bh40@calva.net, linuxppc-dev@lists.linuxppc.org In-Reply-To: MIME-Version: 1.0 Content-Type: TEXT/plain; CHARSET=US-ASCII Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On 11 Oct, this message from Geert Uytterhoeven echoed through cyberspace: > On Fri, 8 Oct 1999, Michel Lanners wrote: >> OF itself doesn't enable any memory or IO region; it's the >> device-specific init code (which might be on-board for PCI cards, or in >> OF for motherboard devices). >> >> There are, however, a few things OF does for _every_ PCI device, among >> which enabling bus mastering and assigning memory and/or IO resources. > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > assigning some memory and/or IO resources? Or is this only the case in the > Longtrail-OF-which-is-better-than-Apple-OF-except-maybe-for-assigning-resources > case? Hm, my 7600's OF version 1.05 assigns memory and IO regions for two boards that don't have any OF code: a Matrox Millenium I and a Promise Ultra/66 IDE controller. Never had any problem in that area.. Michel ------------------------------------------------------------------------- Michel Lanners | " Read Philosophy. Study Art. 23, Rue Paul Henkes | Ask Questions. Make Mistakes. L-1710 Luxembourg | email mlan@cpu.lu | http://www.cpu.lu/~mlan | Learn Always. " ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/