m68k: mac - Add SWIM floppy support

It allows to read data from a floppy, but not to write to, and to eject the
floppy (useful on our Mac without eject button).

Signed-off-by: Laurent Vivier <Laurent@lvivier.info>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 0344a8a..e7b8aa0 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -45,6 +45,13 @@
 	  If you have a SWIM-3 (Super Woz Integrated Machine 3; from Apple)
 	  floppy controller, say Y here. Most commonly found in PowerMacs.
 
+config BLK_DEV_SWIM
+	tristate "Support for SWIM Macintosh floppy"
+	depends on M68K && MAC
+	help
+	  You should select this option if you want floppy support
+	  and you don't have a II, IIfx, Q900, Q950 or AV series.
+
 config AMIGA_Z2RAM
 	tristate "Amiga Zorro II ramdisk support"
 	depends on ZORRO