Everything you always wanted to know about Atari,Milan,IDE and byteswaps...
The Milan configuration is split up in 2 parts: - MILAN_ISAIDE Supports the traditionally formatted IDE disks on the Milan - MILAN_PCIIDE Supports the byte swapped formatted IDE disks on the Milan If you want to read more, checkout the comment in MILAN.in...
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#
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# $NetBSD: MILAN,v 1.6 2001/05/29 06:45:56 leo Exp $
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#
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# This file was automatically created. Changes will be
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# lost when running makeconf in this directory.
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#
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# Created from:
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# NetBSD: MILAN.in,v 1.5 2001/05/29 06:42:21 leo Exp $
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# NetBSD: GENERIC.in,v 1.2 2001/04/10 06:46:01 leo Exp $
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#This configuration file is for a generic Milan
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#Generic atari
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include "arch/atari/conf/std.milan"
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#ident "GENERIC-$Revision: 1.6 $"
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#Add support for about 16 users. This variable is used to size
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#various kernel structures.
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maxusers 16
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options HZ=64 # Set the clock-rate (48/64/96)
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#X11R6 related options
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options UCONSOLE # Allow xconsole to work
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#Standard system options
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options INSECURE # disable kernel security levels
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#options NTP # NTP phase/frequency locked loop
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#(Co)processors this kernel should support
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options M68040 # support for 040
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options M68060 # support for 060
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options FPSP # 68040 Floatingpoint support
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options M060SP # MC68060 software support (Required for 060)
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#Networking options
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options INET # IP + ICMP + TCP + UDP
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options INET6 # IPV6
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#options IPSEC # IP security
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#options IPSEC_ESP # IP security (encryption part; define w/IPSEC)
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#options IPSEC_DEBUG # debug for IP security
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#options GATEWAY # packet forwarding
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#options MROUTING # IP multicast routing
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options NS # XNS
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#options NSIP # XNS tunneling over IP
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options ISO,TPIP # OSI
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#options EON # OSI tunneling over IP
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options CCITT,LLC,HDLC # X.25
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options NETATALK # AppleTalk networking protocols
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options PPP_BSDCOMP # BSD-Compress compression support for PPP
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options PPP_DEFLATE # Deflate compression support for PPP
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options PPP_FILTER # Active filter support for PPP (requires bpf)
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options PFIL_HOOKS # pfil(9) packet filter hooks
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options IPFILTER_LOG # ipmon(8) log support
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#options IPFILTER_DEFAULT_BLOCK # block packages by default
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#File systems
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file-system FFS # Berkeley fast file system
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file-system MFS # Memory based filesystem
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file-system KERNFS # Kernel parameter filesystem
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file-system MSDOSFS # MSDOS filesystem
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file-system CD9660 # ISO 9660 filesystem with Rock Ridge
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file-system NFS # Network File System client side code
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file-system PROCFS # Process filesystem
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file-system FDESC # /dev/fd
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file-system NULLFS # Loopback filesystem
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file-system OVERLAY # overlay filesystem
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file-system UNION # union file system
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file-system UMAPFS # null file system (with uid & gid remapping)
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file-system PORTAL # portal file system
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file-system EXT2FS # second extended file system (linux)
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file-system LFS # log-structured file system
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#File system options
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options QUOTA # Disk quotas for local disks
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#options FFS_EI # FFS Endian Independant support
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options SOFTDEP # FFS soft updates support.
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options NFSSERVER # Network File System server side code
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#options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
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#immutable) behave as system flags.
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#Misc. debugging options
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options PANICWAIT # Require keystroke to dump/reboot
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options DDB # Kernel debugger
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options DDB_HISTORY_SIZE=100 # Enable history editing in DDB
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#options DEBUG # expensive debugging checks/support
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#Compatability options for various existing systems
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options COMPAT_43 # 4.3 BSD compatible system calls (required)
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options COMPAT_10 # Compatibility to NetBSD1.0
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options COMPAT_11 # Compatibility to NetBSD1.1
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options COMPAT_12 # Compatibility to NetBSD1.2
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options COMPAT_13 # Compatibility to NetBSD1.3
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options COMPAT_14 # Compatibility to NetBSD1.4
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#options COMPAT_09 # has no meaning on the atari
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#options COMPAT_SUNOS # Support to run Sun-3 executables
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#options COMPAT_SVR4 # Support to run SVR4 executables
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#options TCP_COMPAT_42 # Disable UDP checksums (not needed)
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#options COMPAT_LINUX # Support to run Linux/m68k executables
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#options EXEC_ELF32 # 32-bit ELF executables (Linux, SVR4)
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#Support for System V IPC facilities.
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options SYSVSHM # System V shared memory
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options SYSVMSG # System V messages
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options SYSVSEM # System V semaphores
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#Support for various kernel options
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options KTRACE # Add kernel tracing system call
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options DIAGNOSTIC # Add additional error checking code
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#These options enable verbose messages for several subsystems.
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#Warning, these may compile large string tables into the kernel!
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options SCSIVERBOSE # human readable SCSI error messages
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options PCIVERBOSE # verbose PCI device autoconfig messages
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#options PCI_CONFIG_DUMP # verbosely dump PCI config space
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#Atari specific options
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#options KFONT_8x8 # Use 8x8 font instead of 8x16
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options ST_POOL_SIZE=22 # smallest that allows TT-HIGH
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options MEMORY_DISK_HOOKS # Boot RAM-disk
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options DISKLABEL_NBDA # NetBSD disklabels (required)
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options DISKLABEL_AHDI # NetBSD/AHDI disklabels
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options SERCONSOLE # modem1 console support
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options RELOC_KERNEL # TT/Falcon: relocate kernel to TT-RAM
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options STATCLOCK # Separate {stat,prof}clock
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#Try linked commands on all targets
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options TRY_SCSI_LINKED_COMMANDS=0x7f
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#Build one kernel that can boot from any disk.
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config netbsd root on ? type ?
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pseudo-device sl # Slip
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pseudo-device ppp # ppp
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pseudo-device pty # pseudo-terminals
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pseudo-device loop # Loopback network
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pseudo-device vnd 3 # 3 pseudo disks (see vnconfig)
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pseudo-device md 2 # Boot memory disk
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pseudo-device bpfilter 2 # berkeley packet filters
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pseudo-device tun 2 # network tunnel
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#pseudo-device gre 2 # generic L3 over IP tunnel
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pseudo-device gif 4 # IPv[46] over IPv[46] tunnel (RFC1933)
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#pseudo-device faith 1 # IPv[46] tcp relay translation i/f
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#pseudo-device stf 1 # 6to4 IPv6 over IPv4 encapsulation
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pseudo-device vlan # IEEE 802.1q encapsulation
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pseudo-device ccd 4 # concatenating disk driver
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#pseudo-device raid 4 # RAIDframe disk driver
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#options RAID_AUTOCONFIG # auto-configuration of RAID components
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pseudo-device ipfilter # IP filtering device
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pseudo-device rnd # /dev/random and in-kernel generator
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#Hardware options for GENERIC are in the various machine type specific files
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#For the moment, the MILAN will be the only one to use wscons, so define
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#the wscons options here too for the moment.
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#wscons options
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#builtin terminal emulations
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#options WSEMUL_SUN # sun terminal emulation
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options WSEMUL_VT100 # VT100 / VT220 emulation
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#different kernel output - see dev/wscons/wsdisplayvar.h
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#XXX: Since the Milan VGA works in monochrome for the moment, _only_
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#use black and white here!
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options WS_KERNEL_FG=WSCOL_WHITE
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options WS_KERNEL_BG=WSCOL_BLACK
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#compatibility to other console drivers
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#options WSDISPLAY_COMPAT_USL # VT handling
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#options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes
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#see dev/pckbc/wskbdmap_mfii.c for implemented layouts
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#options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)"
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#allocate a number of virtual screens at autoconfiguration time
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options WSDISPLAY_DEFAULTSCREENS=4
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#use a large software cursor that doesn't blink
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options PCDISPLAY_SOFTCURSOR
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#modify the screen type of the console; defaults to "80x25"
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#options VGA_CONSOLE_SCREENTYPE="\"80x25\""
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#The following sections describe various hardware options.
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isabus0 at mainbus0 # ISA-bus
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isa0 at isabus0
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pcibus0 at mainbus0 # PCI-bus
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pci0 at pcibus0
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ser0 at mainbus0
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fdcisa0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy contr.
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fdisa0 at fdcisa0 drive 0
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#I found out that it's better to use the pciide version...
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#wdcisa0 at isa? port 0x1f0 irq 14 # 1st IDE controller
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#wdcisa1 at isa? port 0x170 irq 15 # 2nd IDE controller
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#wd* at wdcisa? channel ? drive ?
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pciide* at pci? dev ? function ? flags 0x0000
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wd* at pciide? channel ? drive ? flags 0x0000
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#The Milan uses wscons
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#XXX without the __HAVE_NWSCONS option, the keyboard won't work...
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#
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options __HAVE_NWSCONS
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vga0 at pci? dev ? function ? # a PCI VGA card
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wsdisplay* at vga? console ? # as a wscons console
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pckbc0 at isa? # PC keyboard controller
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pckbd* at pckbc? # PC keyboard
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wskbd* at pckbd? console ? # wscons keyboard
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#ATAPI bus support
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#atapibus* at wdcisa? channel ?
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atapibus* at pciide? channel ?
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#ATAPI devices
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cd* at atapibus? drive ? # ATAPI CD-ROM drives
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@ -1,5 +1,5 @@
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#
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# $NetBSD: MILAN.in,v 1.5 2001/05/29 06:42:21 leo Exp $
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# $NetBSD: MILAN.in,v 1.6 2001/06/07 07:56:57 leo Exp $
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#
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# Milan
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#
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@ -47,13 +47,40 @@ ser0 at mainbus0
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fdcisa0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy contr.
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fdisa0 at fdcisa0 drive 0
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# I found out that it's better to use the pciide version...
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#wdcisa0 at isa? port 0x1f0 irq 14 # 1st IDE controller
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#wdcisa1 at isa? port 0x170 irq 15 # 2nd IDE controller
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#wd* at wdcisa? channel ? drive ?
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#
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# Ok, the stuff below requires some explanation...
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# Initially, when Atari started with IDE on the Falcon, they decided to
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# swap the bytelanes on the IDE controller. So all data on the disk was
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# byteswapped and all CDROM drivers had to byteswap the data to make
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# this nice idea work... To remain compatible with the 'current' drivers,
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# this sceme was adopted by the Hades hardware (hence wdc_mb.c). On the Milan
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# however, the change was reverted. But... now the hardware is connected to
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# a little endian (ISA) bus, in PIO mode this is essentially the same as
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# swapping the bytelanes. The fun starts when you use the PCIIDE DMA mode
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# provided by the PCI_ISA bridge on the Milan. CDROM's are OK, but the data
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# on the disk is swapped :-( Now luckily, both the Milan and HDDRIVER
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# developers have thought up a solution, you can make a byteswapped disk
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# during the partioning with HDDRIVER and TOS supports booting from it!
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# Ok, now you have to choose:
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# - If _none_ of your disks are marked byteswapped by HDDRIVER, choose
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# the MILAN_ISAIDE version.
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# - If _all_ of your disks are byteswapped, use the MILAN_PCIIDE version
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# The is no way to mix things!
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#
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pciide* at pci? dev ? function ? flags 0x0000
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#if defined(MILAN_ISAIDE)
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# wdc on ISA with flags = WDC_OPTIONS_ATA_NOSTREAM!
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wdc0 at isa? port 0x1f0 irq 14 flags 0x04 # 1st IDE controller
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wdc1 at isa? port 0x170 irq 15 flags 0x04 # 2nd IDE controller
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wd* at wdc? channel ? drive ?
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atapibus* at wdc? channel ? # ATAPI bus support
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#endif
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#if defined(MILAN_PCIIDE)
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pciide* at pci? dev ? function ? flags 0x0000 # 2 PCIIDE channels
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wd* at pciide? channel ? drive ? flags 0x0000
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atapibus* at pciide? channel ? # ATAPI bus support
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#endif
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#
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# The Milan uses wscons
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@ -66,9 +93,5 @@ pckbc0 at isa? # PC keyboard controller
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pckbd* at pckbc? # PC keyboard
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wskbd* at pckbd? console ? # wscons keyboard
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# ATAPI bus support
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#atapibus* at wdcisa? channel ?
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atapibus* at pciide? channel ?
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# ATAPI devices
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cd* at atapibus? drive ? # ATAPI CD-ROM drives
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@ -1,10 +1,10 @@
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#!/bin/sh
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# $NetBSD: makeconf,v 1.3 2001/04/10 05:56:25 leo Exp $
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# $NetBSD: makeconf,v 1.4 2001/06/07 07:56:58 leo Exp $
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emit_file() {
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echo "Generating $1"
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echo '#
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# $NetBSD: makeconf,v 1.3 2001/04/10 05:56:25 leo Exp $
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# $NetBSD: makeconf,v 1.4 2001/06/07 07:56:58 leo Exp $
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#
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# This file was automatically created. Changes will be
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# lost when running makeconf in this directory.
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@ -23,3 +23,5 @@ emit_file ATARITT ATARITT.in "-DTT030_KERNEL"
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emit_file FALCON FALCON.in "-DFALCON_KERNEL"
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emit_file HADES HADES.in "-DHADES_KERNEL"
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emit_file MILAN MILAN.in "-DMILAN_KERNEL"
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emit_file MILAN-ISAIDE MILAN.in "-DMILAN_KERNEL -DMILAN_ISAIDE"
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emit_file MILAN-PCIIDE MILAN.in "-DMILAN_KERNEL -DMILAN_PCIIDE"
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