From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 20 Mar 2000 20:53:46 +0100 From: Florian Lohoff To: David Edelsohn Cc: Gabriel Paubert , linuxppc-dev@lists.linuxppc.org Subject: Re: PPC/MCA RS/6000 port ? Message-ID: <20000320205346.F1363@paradigm.rfc822.org> References: <200003200257.VAA26624@mal-ach.watson.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <200003200257.VAA26624@mal-ach.watson.ibm.com>; from David Edelsohn on Sun, Mar 19, 2000 at 09:57:45PM -0500 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Sun, Mar 19, 2000 at 09:57:45PM -0500, David Edelsohn wrote: > I do not have any hardware specs for these machines offhand, but > the interrupt controller may very well be PC-like cascaded 8259s. > The PPC601 was a POWER architecture chip with additional user-mode > PowerPC instructions. It was based on the existing RSC (RIOS Single Chip) > processor that IBM already was using and allowed the first PowerPC chip > implementation to be developed and deployed very rapidly. The supervisor > state of the chip was all POWER architecture, not PowerPC Books II and > III. The direct store segments were a way to access special devices on > the I/O bus. What does this mean in concern to the existing PPC port ? As i understand the linuxppc port does already run on 601 - So the CPU is already supported - Leaves us with bootstrap/bootprom and special architecture (interrupts, scsi controller, serial ports etc) Right ? Flo -- Florian Lohoff flo@rfc822.org +49-5241-470566 "Technology is a constant battle between manufacturers producing bigger and more idiot-proof systems and nature producing bigger and better idiots." ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/