Added a hack for timer interrupt + some fixes to wd33c93, and now Linux boots from floppy (but serial interrupts are not working):

Code
Calibrating delay loop.. ok - 2.58 BogoMIPS
Memory testing... done
Memory:
    0x00000000 - 0x01000000 : 16Mb, 0 bit, 0 ns, used
14812k/16384k available (544k kernel code, 556k data)
Swansea University Computer Society NET3.035 for Linux 2.0
NET3: Unix domain sockets 0.13 for Linux NET3.035.
Swansea University Computer Society TCP/IP for NET3.034
IP Protocols: ICMP, UDP, TCP
Linux version 2.0.33 (buc@polynom.odu.neva.ru) (gcc version 2.7.2.2) #2 Thu Jan 8 16:03:36 MEST 1998


Code

                        Ported by   Dmitry K. Butskoy, 1996,
                                    buc@citadel.stu.neva.ru

Starting kswapd v 1.4.2.2
M68K Serial driver version 1.01
Ramdisk driver initialized : 16 ramdisks of 4096K size
loop: registered device at major 7
Probing SCSI devices:
    0:  SEAGATE          ST225N1.00     '4              , disk 32Mb (32768k), sector=512b (default partitions)
done
NO XLANC
SVR3.1/m68k binary compatibility code copyright 1996 Dm.K.Butskoy
    BESTA  basic hardware found:   HCPU30-L/16    board
(mc68030/mc68882, 16M RAM, SCSI, 2 serials, floppy, centronix, clock,
VME: master ROR 32bit, data burst off, cacr=0x0919, dip switch=0x00, 8k stram)
Probing VME boards:
    no hcww at 0xfc9fff00
    no hcww at 0xfc9ffe00
    no hcww at 0xfc9ffd00
    no hcww at 0xfc9ffc00
    no hcww at 0xfc9ffb00
    no hcww at 0xfc9ffa00
    no hcww at 0xfc9ff900
    no hcww at 0xfc9ff800
    no cww at 0xfc960000
    no cww at 0xfc980000
    no cww at 0xfc9a0000
    no cww at 0xfc9c0000
    no cww at 0xfc940000
    no cww at 0xfc920000
    no md10 at 0xfcffff00
    no md10 at 0xfcfffe00
done
PPP: version 2.2.0 (dynamic channel allocation)
TCP compression code copyright 1989 Regents of the University of California
PPP Dynamic channel allocation code copyright 1995 Caldera, Inc.
PPP line discipline registered.
RAMDISK: Ext2 filesystem found at block 0
RAMDISK: Loading 4096 blocks into ram disk... done.
VFS: Mounted root (ext2 filesystem).