RAMDISK3X revision 1.17
11.17Sjdolecek# $NetBSD: RAMDISK3X,v 1.17 2002/01/27 13:23:28 jdolecek 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
211.12Swiz# Compatibility 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
321.13Sabs#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
331.13Sabs
341.13Sabs#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
351.5Sgwr
361.3Sgwr# Enable the hooks used for initializing the root memory-disk.
371.1Sjeremyoptions 	MEMORY_DISK_HOOKS
381.3Sgwroptions 	MEMORY_DISK_IS_ROOT	# force root on memory disk
391.3Sgwroptions 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
401.15Schsoptions 	MINIROOTSIZE=800	# size of memory disk, in blocks
411.17Sjdolecek
421.17Sjdolecekoptions		PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
431.1Sjeremy
441.11Stsutsuiconfig		netbsd root on ? type ffs
451.1Sjeremy
461.3Sgwr# On-board I/O space (required)
471.3Sgwrinclude "arch/sun3/conf/obio.sun3x"
481.3Sgwr
491.3Sgwr# On-board memory (optional)
501.3Sgwr# See frame-buffers
511.3Sgwr# obmem0 at mainbus?
521.3Sgwr
531.3Sgwr# VME bus support (optional)
541.3Sgwr# One unit for each address space
551.3Sgwrvme0 at mainbus? # A16/D16
561.3Sgwrvme1 at mainbus? # A16/D32
571.3Sgwrvme2 at mainbus? # A24/D16
581.3Sgwrvme3 at mainbus? # A24/D32
591.3Sgwrvme4 at mainbus? # A32/D16
601.3Sgwrvme5 at mainbus? # A32/D32
611.1Sjeremy
621.1Sjeremy#
631.1Sjeremy# Serial ports
641.1Sjeremy#
651.1Sjeremyzstty0	at zsc1 channel 0	# ttya
661.1Sjeremyzstty1	at zsc1 channel 1	# ttyb
671.1Sjeremy
681.1Sjeremykbd0	at zsc0 channel 0	# keyboard
691.3Sgwr#ms0	at zsc0 channel 1	# mouse
701.1Sjeremy
711.1Sjeremy#
721.1Sjeremy# Network devices
731.1Sjeremy#
741.1Sjeremy
751.3Sgwr# Intel Ethernet (onboard, or VME)
761.2Sgwrie0 at obio0 addr 0x65000000 ipl 3
771.16Slukemie1 at vme2 addr 0xe88000 ipl 3 vect 0x75
781.2Sgwr
791.1Sjeremy# Lance Ethernet (only onboard)
801.1Sjeremyle0 at obio0 addr 0x65002000 ipl 3
811.1Sjeremy
821.1Sjeremy#
831.1Sjeremy# Disk and tape devices
841.1Sjeremy#
851.1Sjeremy
861.2Sgwr# Emulex SCSI (3/80 only)
871.8Sgwr# Both `dma' and `esp' are needed.
881.5Sgwr# See GENERIC3X for the flags description.
891.8Sgwrdma0 at obio0 addr 0x66001000 ipl 2
901.1Sjeremyesp0 at obio0 addr 0x66000000 ipl 2 flags 0xff0f
911.1Sjeremy
921.1Sjeremy# Floppy drive
931.1Sjeremyfdc0 at obio0 addr 0x6e000000 ipl 6 vect 0x40
941.16Slukemfd0	at fdc0	# First (and only) floppy drive.
951.1Sjeremy
961.3Sgwr# Sun3 "si" SCSI controller (NCR 5380)
971.5Sgwr# See GENERIC3X for the flags description.
981.16Slukemsi0 at vme2 addr 0x200000 ipl 2 vect 0x40
991.16Slukemsi1 at vme2 addr 0x204000 ipl 2 vect 0x41
1001.3Sgwr
1011.3Sgwr# Xylogics 450/451 controllers (VME A16/D16)
1021.3Sgwrxyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
1031.3Sgwrxyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
1041.3Sgwrxy* at xyc? drive ?
1051.3Sgwr
1061.3Sgwr# Xylogics 7053 controllers (VME A16/D32)
1071.3Sgwrxdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
1081.3Sgwrxdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
1091.3Sgwrxd* at xdc? drive ?
1101.3Sgwr
1111.3Sgwr# Xylogics 472 tape controllers?
1121.3Sgwr
1131.1Sjeremy#
1141.1Sjeremy# Frame buffer devices
1151.5Sgwr# (Not needed for installation kernels.)
1161.1Sjeremy
1171.1Sjeremy#
1181.1Sjeremy# SCSI infrastructure
1191.1Sjeremy#
1201.1Sjeremyscsibus* at scsi?
1211.1Sjeremy
1221.1Sjeremysd* at scsibus? target ? lun ?		# SCSI disks
1231.1Sjeremyst* at scsibus? target ? lun ?		# SCSI tapes
1241.1Sjeremycd* at scsibus? target ? lun ?		# SCSI CD-ROMs
1251.1Sjeremy#ch* at scsibus? target ? lun ?		# SCSI changer devices
1261.1Sjeremy#ss* at scsibus? target ? lun ?		# SCSI scanners
1271.3Sgwr#uk* at scsibus? target ? lun ?		# unknown SCSI devices
1281.1Sjeremy
1291.2Sgwr# Memory-disk drivers (root for install tape)
1301.1Sjeremypseudo-device	md		2
1311.1Sjeremy
1321.1Sjeremy# Misc.
1331.1Sjeremypseudo-device	loop		1	# network loopback
1341.1Sjeremypseudo-device	sl		2	# CSLIP
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