From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <395B0CA7.3B3AC0E5@netx4.com> Date: Thu, 29 Jun 2000 04:45:27 -0400 From: Dan Malek MIME-Version: 1.0 To: guinan@bluebutton.com CC: linuxppc-embedded@lists.linuxppc.org Subject: Re: MBX IDE References: Content-Type: text/plain; charset=us-ascii Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Jamie Guinan wrote: > m8xx_setup.c doesn't seem to want both IDE and PCMCIA ATA devices > to exist at the same time, though. Not sure what to do about that, It's an interrupt routing issue. In fact, all of the support for SouthBridge/8259 controller parts on an 8xx is an interrupt routing issue. Mapping the internal interrupts from something like the PCMCIA into the same space as the PCI/ISA has never worked in the 8xx port. You basically get to configure an "8xx PC" or an "8xx embedded". Cort and I are constantly working on some better interrupt mapping scheme, some of it "sticks" in the kernel sources. The entire Linux kernel is either "PC" or not. I don't know of any production boards that support PCI with ISA on an 8xx. You can program the UPM to provide ISA bus timing, or for a few pennies put a programmable device on the 8xx bus if you want an IDE device. > ..... If I can hack > them to both work at the same time for my own purposes, I'll > be happy. You can.....It just won't run on anything else when you are done. -- Dan ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/