RAMDISK3X revision 1.20
11.20Sgmcgarry# $NetBSD: RAMDISK3X,v 1.20 2002/04/12 08:11:26 gmcgarry 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
401.19Slukemoptions 	MEMORY_DISK_ROOT_SIZE=800	# size of memory disk, in blocks
411.17Sjdolecek
421.20Sgmcgarry#options 	USERCONF	# userconf(4) support
431.17Sjdolecekoptions		PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
441.1Sjeremy
451.11Stsutsuiconfig		netbsd root on ? type ffs
461.1Sjeremy
471.3Sgwr# On-board I/O space (required)
481.3Sgwrinclude "arch/sun3/conf/obio.sun3x"
491.3Sgwr
501.3Sgwr# On-board memory (optional)
511.3Sgwr# See frame-buffers
521.3Sgwr# obmem0 at mainbus?
531.3Sgwr
541.3Sgwr# VME bus support (optional)
551.3Sgwr# One unit for each address space
561.3Sgwrvme0 at mainbus? # A16/D16
571.3Sgwrvme1 at mainbus? # A16/D32
581.3Sgwrvme2 at mainbus? # A24/D16
591.3Sgwrvme3 at mainbus? # A24/D32
601.3Sgwrvme4 at mainbus? # A32/D16
611.3Sgwrvme5 at mainbus? # A32/D32
621.1Sjeremy
631.1Sjeremy#
641.1Sjeremy# Serial ports
651.1Sjeremy#
661.1Sjeremyzstty0	at zsc1 channel 0	# ttya
671.1Sjeremyzstty1	at zsc1 channel 1	# ttyb
681.1Sjeremy
691.1Sjeremykbd0	at zsc0 channel 0	# keyboard
701.3Sgwr#ms0	at zsc0 channel 1	# mouse
711.1Sjeremy
721.1Sjeremy#
731.1Sjeremy# Network devices
741.1Sjeremy#
751.1Sjeremy
761.3Sgwr# Intel Ethernet (onboard, or VME)
771.2Sgwrie0 at obio0 addr 0x65000000 ipl 3
781.16Slukemie1 at vme2 addr 0xe88000 ipl 3 vect 0x75
791.2Sgwr
801.1Sjeremy# Lance Ethernet (only onboard)
811.1Sjeremyle0 at obio0 addr 0x65002000 ipl 3
821.1Sjeremy
831.1Sjeremy#
841.1Sjeremy# Disk and tape devices
851.1Sjeremy#
861.1Sjeremy
871.2Sgwr# Emulex SCSI (3/80 only)
881.8Sgwr# Both `dma' and `esp' are needed.
891.5Sgwr# See GENERIC3X for the flags description.
901.8Sgwrdma0 at obio0 addr 0x66001000 ipl 2
911.1Sjeremyesp0 at obio0 addr 0x66000000 ipl 2 flags 0xff0f
921.1Sjeremy
931.1Sjeremy# Floppy drive
941.1Sjeremyfdc0 at obio0 addr 0x6e000000 ipl 6 vect 0x40
951.16Slukemfd0	at fdc0	# First (and only) floppy drive.
961.1Sjeremy
971.3Sgwr# Sun3 "si" SCSI controller (NCR 5380)
981.5Sgwr# See GENERIC3X for the flags description.
991.16Slukemsi0 at vme2 addr 0x200000 ipl 2 vect 0x40
1001.16Slukemsi1 at vme2 addr 0x204000 ipl 2 vect 0x41
1011.3Sgwr
1021.3Sgwr# Xylogics 450/451 controllers (VME A16/D16)
1031.3Sgwrxyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
1041.3Sgwrxyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
1051.3Sgwrxy* at xyc? drive ?
1061.3Sgwr
1071.3Sgwr# Xylogics 7053 controllers (VME A16/D32)
1081.3Sgwrxdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
1091.3Sgwrxdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
1101.3Sgwrxd* at xdc? drive ?
1111.3Sgwr
1121.3Sgwr# Xylogics 472 tape controllers?
1131.3Sgwr
1141.1Sjeremy#
1151.1Sjeremy# Frame buffer devices
1161.5Sgwr# (Not needed for installation kernels.)
1171.1Sjeremy
1181.1Sjeremy#
1191.1Sjeremy# SCSI infrastructure
1201.1Sjeremy#
1211.1Sjeremyscsibus* at scsi?
1221.1Sjeremy
1231.1Sjeremysd* at scsibus? target ? lun ?		# SCSI disks
1241.1Sjeremyst* at scsibus? target ? lun ?		# SCSI tapes
1251.1Sjeremycd* at scsibus? target ? lun ?		# SCSI CD-ROMs
1261.1Sjeremy#ch* at scsibus? target ? lun ?		# SCSI changer devices
1271.1Sjeremy#ss* at scsibus? target ? lun ?		# SCSI scanners
1281.3Sgwr#uk* at scsibus? target ? lun ?		# unknown SCSI devices
1291.1Sjeremy
1301.2Sgwr# Memory-disk drivers (root for install tape)
1311.1Sjeremypseudo-device	md		2
1321.1Sjeremy
1331.1Sjeremy# Misc.
1341.1Sjeremypseudo-device	loop		1	# network loopback
1351.1Sjeremypseudo-device	sl		2	# CSLIP
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