RAMDISK revision 1.18
11.18Sgwr#	$NetBSD: RAMDISK,v 1.18 1998/03/08 19:38:05 gwr Exp $
21.1Sgwr
31.1Sgwr# RAMDISK: Root/swap on ramdisk
41.1Sgwr# This kernel is used to:
51.1Sgwr#	format the disk (not yet implemented)
61.1Sgwr#	partition the disk (disklabel)
71.1Sgwr#	install the miniroot in the swap partition
81.1Sgwr
91.5Sjtcinclude "arch/sun3/conf/std.sun3"
101.1Sgwr
111.17Sgwr# Machines to be supported by this kernel
121.13Sgwr# options 	FPU_EMULATE		# No FP code here!
131.1Sgwroptions 	HAVECACHE		# Sun3/260 VAC
141.1Sgwr
151.1Sgwr# Needs to be set per system.  i.e change these as you see fit
161.1Sgwrmaxusers	2
171.1Sgwr
181.1Sgwr# Standard system options
191.13Sgwr# ... debugging options
201.18Sgwr#options 	DDB
211.13Sgwr# Compatability options
221.13Sgwroptions 	COMPAT_13	# NetBSD 1.3
231.6Sthorpej
241.13Sgwr# Filesystem options
251.13Sgwr# Need FFS for the ramdisk image.
261.13Sgwrfile-system	FFS		# Berkeley Fast Filesystem
271.13Sgwr# May need these to get miniroot image.
281.13Sgwrfile-system	NFS		# Sun NFS client support
291.13Sgwrfile-system	CD9660		# ISO 9660 + Rock Ridge file system
301.12Slukem
311.13Sgwroptions 	FIFO		# named pipes used during install
321.2Sgwr
331.18Sgwr# Networking options
341.18Sgwroptions 	INET		# IP prototol stack support
351.18Sgwroptions 	TCP_COMPAT_42	# compatibility with 4.2BSD TCP/IP
361.18Sgwr
371.13Sgwr# Enable the hooks used for initializing the root memory-disk.
381.8Spkoptions 	MEMORY_DISK_HOOKS
391.13Sgwroptions 	MEMORY_DISK_IS_ROOT	# force root on memory disk
401.13Sgwroptions 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
411.13Sgwroptions 	MINIROOTSIZE=512	# size of memory disk, in blocks
421.1Sgwr
431.10Sgwrconfig		netbsd root on md0 type ffs
441.1Sgwr
451.16Sgwr# On-board I/O space (required)
461.16Sgwrinclude "arch/sun3/conf/obio.sun3"
471.16Sgwr
481.16Sgwr# On-board memory (optional)
491.16Sgwr# See frame-buffers
501.16Sgwr# obmem0 at mainbus?
511.16Sgwr
521.16Sgwr# VME bus support (optional)
531.16Sgwr# One unit for each address space
541.16Sgwrvme0 at mainbus? # A16/D16
551.16Sgwrvme1 at mainbus? # A16/D32
561.16Sgwrvme2 at mainbus? # A24/D16
571.16Sgwrvme3 at mainbus? # A24/D32
581.16Sgwrvme4 at mainbus? # A32/D16
591.16Sgwrvme5 at mainbus? # A32/D32
601.16Sgwr
611.2Sgwr#
621.3Sgwr# Serial ports
631.3Sgwr#
641.11Slukemzstty0	at zsc1 channel 0	# ttya
651.11Slukemzstty1	at zsc1 channel 1	# ttyb
661.3Sgwr
671.11Slukemkbd0	at zsc0 channel 0	# keyboard
681.13Sgwr#ms0	at zsc0 channel 1	# mouse
691.3Sgwr
701.3Sgwr#
711.2Sgwr# Network devices
721.2Sgwr#
731.1Sgwr
741.2Sgwr# Intel Ethernet (onboard, or VME)
751.16Sgwrie0 at obio0 addr 0x0C0000 ipl 3
761.16Sgwrie1 at vme2  addr 0xe88000 ipl 3 vect 0x75
771.1Sgwr
781.2Sgwr# Lance Ethernet (only onboard)
791.16Sgwrle0 at obio0 addr 0x120000 ipl 3
801.16Sgwr
811.16Sgwr# All Sun3 machines with an "le" (3/50, 3/60) should be
821.16Sgwr# presumed to have the old, buggy LANCE chip. (Rev. C)
831.16Sgwroptions 	LANCE_REVC_BUG
841.1Sgwr
851.2Sgwr#
861.2Sgwr# Disk and tape devices
871.2Sgwr#
881.2Sgwr
891.2Sgwr# Sun3 "si" SCSI controller (NCR 5380)
901.13Sgwr# See GENERIC for the flags description.
911.16Sgwrsi0 at obio0 addr 0x140000 ipl 2
921.16Sgwrsi0 at vme2  addr 0x200000 ipl 2 vect 0x40
931.16Sgwrsi1 at vme2  addr 0x204000 ipl 2 vect 0x41
941.16Sgwr
951.16Sgwr# Xylogics 450/451 controllers (VME A16/D16)
961.16Sgwrxyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
971.16Sgwrxyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
981.13Sgwrxy* at xyc? drive ?
991.10Sgwr
1001.16Sgwr# Xylogics 7053 controllers (VME A16/D32)
1011.16Sgwrxdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
1021.16Sgwrxdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
1031.13Sgwrxd* at xdc? drive ?
1041.2Sgwr
1051.2Sgwr# Xylogics 472 tape controllers?
1061.13Sgwr
1071.16Sgwr# Sun3/E SCSI+Ethernet board (VME A24/D16)
1081.16Sgwr# Note: the board uses vect and vect+1
1091.16Sgwrsebuf0 at vme2 addr 0x300000 ipl 2 vect 0x74 # and 0x75
1101.16Sgwrsebuf1 at vme2 addr 0x340000 ipl 2 vect 0x76 # and 0x77
1111.13Sgwrsi* at sebuf?
1121.13Sgwrie* at sebuf?
1131.2Sgwr
1141.2Sgwr#
1151.2Sgwr# Frame buffer devices
1161.18Sgwr# (Not needed for installation kernels.)
1171.1Sgwr
1181.2Sgwr#
1191.2Sgwr# SCSI infrastructure
1201.2Sgwr#
1211.1Sgwrscsibus* at scsi?
1221.1Sgwr
1231.10Sgwrsd* at scsibus? target ? lun ?		# SCSI disks
1241.10Sgwrst* at scsibus? target ? lun ?		# SCSI tapes
1251.10Sgwrcd* at scsibus? target ? lun ?		# SCSI CD-ROMs
1261.10Sgwr#ch* at scsibus? target ? lun ?		# SCSI changer devices
1271.10Sgwr#ss* at scsibus? target ? lun ?		# SCSI scanners
1281.16Sgwr#uk* at scsibus? target ? lun ?		# unknown SCSI devices
1291.1Sgwr
1301.16Sgwr# Memory-disk drivers (root for install tape)
1311.11Slukempseudo-device	md		2
1321.2Sgwr
1331.2Sgwr# Misc.
1341.11Slukempseudo-device	loop		1	# network loopback
1351.11Slukempseudo-device	sl		2	# CSLIP
1361.11Slukempseudo-device	ppp		2	# PPP
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