RAMDISK3X revision 1.8
11.8Sgwr# $NetBSD: RAMDISK3X,v 1.8 1999/04/08 06:49:55 gwr Exp $
21.1Sjeremy
31.1Sjeremy# RAMDISK: Root/swap on ramdisk
41.1Sjeremy# This kernel is used to:
51.1Sjeremy#	format the disk (not yet implemented)
61.1Sjeremy#	partition the disk (disklabel)
71.1Sjeremy#	install the miniroot in the swap partition
81.1Sjeremy
91.4Sgwrinclude "arch/sun3/conf/std.sun3x"
101.3Sgwr
111.4Sgwr# Machines to be supported by this kernel
121.4Sgwr# options 	FPU_EMULATE	# XXX - Ever needed?
131.3Sgwr# options 	HAVE_IOCACHE	# XXX - Not yet supported.
141.1Sjeremy
151.1Sjeremy# Needs to be set per system.  i.e change these as you see fit
161.1Sjeremymaxusers	2
171.1Sjeremy
181.1Sjeremy# Standard system options
191.2Sgwr# ... debugging options
201.5Sgwr#options 	DDB
211.6Sgwr# Compatability options (none)
221.2Sgwr
231.2Sgwr# Filesystem options
241.2Sgwr# Need FFS for the ramdisk image.
251.2Sgwrfile-system	FFS		# Berkeley Fast Filesystem
261.2Sgwr# May need these to get miniroot image.
271.2Sgwrfile-system	NFS		# Sun NFS client support
281.2Sgwrfile-system	CD9660		# ISO 9660 + Rock Ridge file system
291.1Sjeremy
301.5Sgwr# Networking options
311.5Sgwroptions 	INET		# IP prototol stack support
321.5Sgwroptions 	TCP_COMPAT_42	# compatibility with 4.2BSD TCP/IP
331.5Sgwr
341.3Sgwr# Enable the hooks used for initializing the root memory-disk.
351.1Sjeremyoptions 	MEMORY_DISK_HOOKS
361.3Sgwroptions 	MEMORY_DISK_IS_ROOT	# force root on memory disk
371.3Sgwroptions 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
381.3Sgwroptions 	MINIROOTSIZE=512	# size of memory disk, in blocks
391.1Sjeremy
401.3Sgwrconfig		netbsd root on md0 type ffs
411.1Sjeremy
421.3Sgwr# On-board I/O space (required)
431.3Sgwrinclude "arch/sun3/conf/obio.sun3x"
441.3Sgwr
451.3Sgwr# On-board memory (optional)
461.3Sgwr# See frame-buffers
471.3Sgwr# obmem0 at mainbus?
481.3Sgwr
491.3Sgwr# VME bus support (optional)
501.3Sgwr# One unit for each address space
511.3Sgwrvme0 at mainbus? # A16/D16
521.3Sgwrvme1 at mainbus? # A16/D32
531.3Sgwrvme2 at mainbus? # A24/D16
541.3Sgwrvme3 at mainbus? # A24/D32
551.3Sgwrvme4 at mainbus? # A32/D16
561.3Sgwrvme5 at mainbus? # A32/D32
571.1Sjeremy
581.1Sjeremy#
591.1Sjeremy# Serial ports
601.1Sjeremy#
611.1Sjeremyzstty0	at zsc1 channel 0	# ttya
621.1Sjeremyzstty1	at zsc1 channel 1	# ttyb
631.1Sjeremy
641.1Sjeremykbd0	at zsc0 channel 0	# keyboard
651.3Sgwr#ms0	at zsc0 channel 1	# mouse
661.1Sjeremy
671.1Sjeremy#
681.1Sjeremy# Network devices
691.1Sjeremy#
701.1Sjeremy
711.3Sgwr# Intel Ethernet (onboard, or VME)
721.2Sgwrie0 at obio0 addr 0x65000000 ipl 3
731.3Sgwrie1 at vme2  addr   0xe88000 ipl 3 vect 0x75
741.2Sgwr
751.1Sjeremy# Lance Ethernet (only onboard)
761.1Sjeremyle0 at obio0 addr 0x65002000 ipl 3
771.1Sjeremy
781.1Sjeremy#
791.1Sjeremy# Disk and tape devices
801.1Sjeremy#
811.1Sjeremy
821.2Sgwr# Emulex SCSI (3/80 only)
831.8Sgwr# Both `dma' and `esp' are needed.
841.5Sgwr# See GENERIC3X for the flags description.
851.8Sgwrdma0 at obio0 addr 0x66001000 ipl 2
861.1Sjeremyesp0 at obio0 addr 0x66000000 ipl 2 flags 0xff0f
871.1Sjeremy
881.1Sjeremy# Floppy drive
891.1Sjeremyfdc0 at obio0 addr 0x6e000000 ipl 6 vect 0x40
901.1Sjeremyfd0  at fdc0	# First (and only) floppy drive.
911.1Sjeremy
921.3Sgwr# Sun3 "si" SCSI controller (NCR 5380)
931.5Sgwr# See GENERIC3X for the flags description.
941.3Sgwrsi0 at vme2  addr 0x200000 ipl 2 vect 0x40
951.3Sgwrsi1 at vme2  addr 0x204000 ipl 2 vect 0x41
961.3Sgwr
971.3Sgwr# Xylogics 450/451 controllers (VME A16/D16)
981.3Sgwrxyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
991.3Sgwrxyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
1001.3Sgwrxy* at xyc? drive ?
1011.3Sgwr
1021.3Sgwr# Xylogics 7053 controllers (VME A16/D32)
1031.3Sgwrxdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
1041.3Sgwrxdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
1051.3Sgwrxd* at xdc? drive ?
1061.3Sgwr
1071.3Sgwr# Xylogics 472 tape controllers?
1081.3Sgwr
1091.1Sjeremy#
1101.1Sjeremy# Frame buffer devices
1111.5Sgwr# (Not needed for installation kernels.)
1121.1Sjeremy
1131.1Sjeremy#
1141.1Sjeremy# SCSI infrastructure
1151.1Sjeremy#
1161.1Sjeremyscsibus* at scsi?
1171.1Sjeremy
1181.1Sjeremysd* at scsibus? target ? lun ?		# SCSI disks
1191.1Sjeremyst* at scsibus? target ? lun ?		# SCSI tapes
1201.1Sjeremycd* at scsibus? target ? lun ?		# SCSI CD-ROMs
1211.1Sjeremy#ch* at scsibus? target ? lun ?		# SCSI changer devices
1221.1Sjeremy#ss* at scsibus? target ? lun ?		# SCSI scanners
1231.3Sgwr#uk* at scsibus? target ? lun ?		# unknown SCSI devices
1241.1Sjeremy
1251.2Sgwr# Memory-disk drivers (root for install tape)
1261.1Sjeremypseudo-device	md		2
1271.1Sjeremy
1281.1Sjeremy# Misc.
1291.1Sjeremypseudo-device	loop		1	# network loopback
1301.1Sjeremypseudo-device	sl		2	# CSLIP
1311.1Sjeremypseudo-device	ppp		2	# PPP
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