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Date:      Sat, 22 Feb 2003 21:46:10 -0500 (EST)
From:      "Matthew N. Dodd" <winter@jurai.net>
To:        Maxime Henrion <mux@FreeBSD.ORG>
Cc:        Alan Lai <clai33@uwo.ca>, Jeremy Faulkner <gldisater@gldis.ca>, questions@FreeBSD.ORG, sparc@FreeBSD.ORG
Subject:   Re: Hardware support under UltraSPARC
Message-ID:  <20030222214529.D95995@sasami.jurai.net>
In-Reply-To: <20030220170709.GK60813@elvis.mu.org>
References:  <20030220154234.GA12821@constans.gldis.ca> <Pine.SOL.4.21.0302201155230.6512-100000@panther.uwo.ca> <20030220170709.GK60813@elvis.mu.org>

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The 3c590 uses the 'vx' driver which is PIO/MMIO only.

If it compiles on the sparc64 I suspect it will work fine.

On Thu, 20 Feb 2003, Maxime Henrion wrote:
> Alan Lai wrote:
> > freebsd has those drivers for x86 machines, is that possible to compile
> > them for ultrasparc machines?
> > is there any way to get an x86 nic work under freebsd/ultrasparc?
> > if so, whats the work that i have to do?
> > please advice
>
> You first need to convert the card to use the busdma API if it's not
> using it already, and you then have to deal with endianness issues
> (FreeBSD/sparc64 is big endian).  Look at the
> http://www.FreeBSD.org/projects/busdma/ for more information on busdma.
>
> More specifically, you can look at the xl(4) driver which has recently
> been converted to busdma and made endian-safe.
>
> > is the freebsd-sparc kernel not open source? i cannot compile/custimize it
> > myself?
>
> Err, the FreeBSD project is entirely opensource.  The biggest part of
> the kernel is MI (machine independant) and thus doesn't have to be
> changed to work on other architectures.  A smaller part of the kernel is
> MD (machine dependant) and needs to be written for every different
> architecture we support.  The sparc64 specific sources of the FreeBSD
> kernel can be found in /usr/src/sys/sparc64.
>
> > On Thu, 20 Feb 2003, Jeremy Faulkner wrote:
> >
> > > On Thu, Feb 20, 2003 at 10:10:53AM -0500, Alan Lai wrote:
> > > > Hello,
> > > >
> > > > I am a newbie to freebsd, I want to clarify something before I get into
> > > > using it.
> > > >
> > > > I plan to put freebsd5 on a sun e250, this is a pci based ultrasparc
> > > > machine, but at the same time, this machine has a non-sun hardware, which
> > > > is a network card thats originally for x86 machine. This card is working
> > > > probably under solaris w/ some non-official driver, & is supported under
> > > > linux/x86. My question is, will this card, intel fastethernet 100, or
> > > > 3com590 work under freebsd/ultrasparc w/ some tiny tinkering?
> > >
> > > It's unlikely, since the drivers for those cards are commented out in
> > > sys/sparc64/conf/GENERIC. The drivers probably need work to use busdma.
>
> I don't remember whether 3c590 cards are supported by xl(4).  If so, it
> should just work on sparc64.  It hasn't been uncommented in GENERIC yet,
> but I'll do it a second.  The Intel card won't work on sparc64 yet, but
> I'm currently working on the fxp(4) driver for the busdma conversion.
> Once this is done, we need to make it endian-safe in order for it to
> work on sparc64.
>
> Cheers,
> Maxime
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-sparc" in the body of the message
>

-- 
| Matthew N. Dodd  | '78 Datsun 280Z | '75 Volvo 164E | FreeBSD/NetBSD  |
| winter@jurai.net |       2 x '84 Volvo 245DL        | ix86,sparc,pmax |
| http://www.jurai.net/~winter |  For Great Justice!  | ISO8802.5 4ever |

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