On Wed, 2006-01-25 at 17:15 -0800, Daniel Gimpelevich wrote:
> On Mon, 16 Jan 2006 00:37:06 -0500, Raylynn Knight wrote:
> 
> > The 2.2 m68k-mac kernel has a driver for the SWIM II floppy.  Part of
> > the code is in m68k assembler, though.  Perhaps someone on the list has
> > the time to port it to PPC?
> 
> AFAIK, the floppy code in the m68k-mac kernel is for SWIM I, not SWIM II,
> and it did not work at all when I had 2.2.23 running on the IIfx.
> 
> 
Swim I and II support was added in the last year, coded by Laurent
Vivier.  The driver your talking about is the swim_iop driver used by
the IIfx, and the Quadra 9x0 systems.  It was never completed.

The comments from the new swim_driver

 * Copyright (C) 2004 Laurent Vivier <[EMAIL PROTECTED]>
 *
 * based on Alastair Bridgewater SWIM analysis, 2001
 * based on SWIM3 driver (c) Paul Mackerras, 1996
 * based on netBSD IWM driver (c) 1997, 1998 Hauke Fath.
 *
 * Supported Macintoshes:
 *
 *   II, IIci, IIsi, IIvx, IIx, IIcx, SE/30,
 *   PowerBook 100, PowerBook 140, PowerBook 145, PowerBook 160,
 *   PowerBook 165, PowerBook 165c, PowerBook 170, PowerBook 180,
 *   PowerBook 180c, PowerBook 190, PowerBook 190cs, PowerBook 500,
 *   Performa 460, Performa 550, LC II, LC III, LC 520, Color Classic,
 *   Color Classic II, ClassicII,
 *   Quadra 700, Quadra 800, Quadra 650, Quadra 605, Quadra 610,
 *   Centris 610, Quadra 630, Performa 580, LC 475, LC 575,
 *

And I've verified it works at least on IIci, IIsi, LC475, LC575 and
Quadra 650.

Ray




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