Date: Fri, 30 Jun 2006 10:51:32 -0700 From: Peter Grehan <grehan@freebsd.org> To: matt@genesi-usa.com Cc: freebsd-ppc@freebsd.org Subject: Re: FreeBSD 6.0 on Pegasos/ODW Message-ID: <44A564A4.9080407@freebsd.org> In-Reply-To: <007601c69c5e$d33088b0$99dfdfdf@bakuhatsu.net> References: <007601c69c5e$d33088b0$99dfdfdf@bakuhatsu.net>
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Hi Matt, > Why isn't there an ISA bus attachment? For the same reason there isn't an SBus attachment in the i386 kernel :) There is no ISA hardware on Macs so no need for an ISA bus in the current code. > We have an ISA bus on the Pegasos (Via 8231 southbridge) OK, support for that has to be added. > In all honesty the design of the system should be that while it there is > some grunt work required, it is much the same as in Linux - when the driver > doesn't exist on PPC you just symlink it from the i386 tree since all of > the hardware already works in FreeBSD on a PC. I used to run FreeBSD 5.1 on > a Via EPIA board, it had the exact same southbridge and peripheral chips > and ran like a dream. Endianness notwithstanding it should be the same > way. It is like that, and as mentioned previously, some grunt work is required, such as adding ISA bus support and the necessary bus-space work for i/o access. Sparc64 has ISA support as a proof-of-concept. later, Peter.
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