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version 1.1, 2012/12/22 23:04:05 version 1.16, 2018/07/19 10:15:06
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 [[!template id=port  [[!template id=port
 port="mvme68k"  port="mvme68k"
 cur_rel="6.0"    cur_rel="8.0"
 future_rel="7.0"  future_rel="9.0"
 changes_cur="6.0"  pkg_rel="6.0"
 changes_future="7.0"  changes_cur="8.0"
   changes_future="9.0"
 thumbnail="http://www.netbsd.org/images/ports/mvme68k/mvme167b.gif"  thumbnail="http://www.netbsd.org/images/ports/mvme68k/mvme167b.gif"
 about="""  about="""
 NetBSD/mvme68k is the port of NetBSD to Motorola's 68k VME Single Board  NetBSD/mvme68k is the port of NetBSD to Motorola's 68k VME Single Board
 Computers (SBC). The first Motorola SBC was introduced in 1988. Motorola  Computers (SBC). The first Motorola SBC was introduced in 1988. Motorola
 has continued development on 68k and PowerPC based SBC VME modules.  developed various 68k and PowerPC based SBC VME modules.
   
 Development activity on NetBSD/mvme68k continues at a speed that depends  NetBSD runs on the original Motorola 68k VME SBC (MVME147), the 68040 based
 on people's spare time and access to hardware. NetBSD runs on the  MVME162 (LX 200/300 and the P2/P4 series based on the Petra ASIC) and MVME167,
 original Motorola 68k VME SBC (MVME147), the 68040 based MVME162 (LX  as well as the 68060 based MVME172 (LX 200/300 and Petra P2/P4) and MVME177
 200/300 and the new P2/P4 series based on the Petra ASIC), MVME167 and  boards.
 the 68060 based MVME172 (LX 200/300 and Petra P2/P4) and MVME177 boards.  
   
 Originally ported by Chuck Cranor based on Paul Mackerras' old DA30  
 code, NetBSD/mvme68k has been supported since the [NetBSD 1.1  
 release](../../releases/formal-1.1/).  
   
 The NetBSD/mvme68k 1.1 release was fairly basic; running as a diskless  
 NFS client with no SCSI or parallel printer support, and only two of the  
 four serial ports working. The boot process was quite long-winded;  
 transfer a first-stage bootloader using srecords over a serial port from  
 a second host computer, transfer a second-stage bootloader using TFTP  
 over the ethernet from the server, finally grab the kernel from the  
 mvme68k root file-system image on the NFS server.  
   
 At about this time, [Steve Woodford](http://www.mctavish.co.uk/)  
 discovered NetBSD/mvme68k and over the coming months added SCSI and  
 parallel printer support. Booting from SCSI disk was first supported in  
 the 1.2 release, although the system still had to be installed using the  
 original netboot method described above due to problems with booting  
 from tape.  
   
 Up to and including the [NetBSD 1.2](../../releases/formal-1.2/)  
 releases, the NetBSD/mvme68k release sets consisted of a couple of  
 compressed tar files; one for root, the other for /usr. As of [NetBSD  
 1.3](../../releases/formal-1.3/), however, the release follows the  
 official NetBSD convention, including a comprehensive installation  
 script. Additionally, booting from SCSI tape is now supported, so an NFS  
 server is no longer required to enable system installation.  
 """  """
 supported_hardware="""  supported_hardware="""
 These are the Motorola Single Board Computers that NetBSD/mvme68k  These are the Motorola Single Board Computers that NetBSD/mvme68k
 supports.  supports.
   
 -   [MVME147 family](#MVME147%20family)  -   [MVME147 family](http://www.NetBSD.org/ports/mvme68k/boards.html#MVME147%20family)
 -   [MVME162 family](#MVME162%20family)  -   [MVME162 family](http://www.NetBSD.org/ports/mvme68k/boards.html#MVME162%20family)
 -   [MVME167 family](#MVME167%20family)  -   [MVME167 family](http://www.NetBSD.org/ports/mvme68k/boards.html#MVME167%20family)
 -   [MVME172 family](#MVME172%20family)  -   [MVME172 family](http://www.NetBSD.org/ports/mvme68k/boards.html#MVME172%20family)
 -   [MVME177 family](#MVME177%20family)  -   [MVME177 family](http://www.NetBSD.org/ports/mvme68k/boards.html#MVME177%20family)
   
 These are the other supported VMEbus boards that NetBSD/mvme68k  
 supports.  
   
 -   [VMEbus RAM Boards](#VMEbus%20RAM%20Boards)  
 -   [MVME712 Transition Board](#MVME712%20Transition%20Board)  
   
 MVME147 family  
 --------------  
   
 CPU-specific support for the MVME147 family of Single Board Computers  
 was written by Chuck Cranor.  
   
 ### Supported Hardware  
   
 Initially introduced in 1988, the [MVME147  
 family](http://mcg.motorola.com/cfm/templates/product.cfm?PageID=872&ProductID=1&PageTypeID=1)  
 is Motorola's oldest Single Board Computer (SBC) product. It was the  
 first VME board with integrated networking, serial communications, mass  
 storage interface, and parallel port. This VMEbus SBC is based on the  
 MC68030 microprocessor.  
   
 NetBSD/mvme68k runs on Motorola MVME147 boards, with as little as 4MB of  
 RAM, though *8MB or more is recommended*. ***Note:** A bug in the boot  
 code for releases \<= 1.3.2 causes problems on 4Mb boards. This has been  
 fixed in -current and 1.3.3 onwards.* Nearly all of the on-board MVME147  
 hardware is supported:  
 -   Battery-backed real-time clock  
 -   Network interfaces  
     -   on-board Lance AM7990 Ethernet  
   
 -   Parallel port  
     -   on-board Centronics style printer port  
   
 -   SCSI (most disks, tapes, CD-ROMs, etc)  
     -   on-board Western Digital wd33c93 SCSI bus interface chip using  
         DMA facilities of the board (*asynchronous SCSI only*)  
   
 -   Serial ports (RS232)  
     -   on-board Zilog Z8530 dual serial controller  
     -   built-in console and tty01 - tty03, with speeds up to 38400 baud  
   
 -   VMEbus  
     -   all VMEbus boards supported by NetBSD's machine-independent  
         VMEbus framework. See /sys/dev/vme for details.  
   
 The following on-board hardware is not yet directly supported by the  
 kernel:  
   
 -   NVRAM (reading and writing)  
   
 NetBSD/mvme68k also fully supports VMEbus RAM cards in both A24/D32 and  
 A32/D32 address spaces. *(Note: On MVME147s with \< 16Mb of internal  
 RAM, access to A24/D32 space is restricted. There is no A24/D32 access  
 on MVME147s with \>= 16Mb internal RAM.)*  
   
 ### Known Bugs for the MVME147 port:  
   
 -   Due to a design flaw on the board, adding VMEbus RAM will actually  
     slow the system down! This is caused by the hardware forcibly  
     disabling the CPU's cache on VMEbus accesses. Work is in progress in  
     NetBSD-current to prioritize memory segments so that faster memory  
     is allocated first, in preference to slower memory. This should help  
     improve performance of systems using VMEbus RAM.  
   
 MVME162 family  
 --------------  
   
 MVME172 family  
 --------------  
   
 Board-specific support for the MVME162 was written by Steve Woodford.  
   
 ### Supported Hardware  
   
 The second generation [MVME162  
 family](http://mcg.motorola.com/cfm/templates/product.cfm?PageID=874&ProductID=2&PageTypeID=1)  
 and [MVME172  
 family](http://mcg.motorola.com/cfm/templates/product.cfm?PageID=954&ProductID=4&PageTypeID=1)  
 Single Board Computers are based on the MC68040/MC68LC040 and  
 MC68060/MC68LC060 microprocessors. These second generation SBCs offer  
 faster processors and additional on-board memory capability.  
   
 NetBSD/mvme68k 1.5 runs on Motorola MVME162 boards, with as little as  
 4MB of RAM (with the help of a VMEbus RAM card), though *8MB or more is  
 recommended*. NetBSD/mvme68k -current runs on Motorola MVME172 boards.  
   
 The major parts of the on-board MVME162 and MVME172 hardware are  
 supported:  
   
 -   Battery-backed real-time clock  
 -   Network interfaces  
     -   on-board Ethernet Intel i82596 controller  
   
 -   SCSI (most disks, tapes, CD-ROMs, etc)  
     -   on-board NCR 53c710 SCSI bus interface chip using DMA facilities  
         of the board supporting synchronous transfers up to 10  
         Mbytes/second.  
   
 -   Serial ports (RS232)  
     -   on-board Zilog Z85230 communications controllers  
     -   built-in console and tty01 - tty03, with speeds up to 38400 baud  
   
 -   VMEbus  
     -   all VMEbus boards supported by NetBSD's machine-independent  
         VMEbus framework. See /sys/dev/vme for details.  
   
 -   MEMC040 (onboard memory controllers)  
   
 The following on-board hardware is not yet directly supported by the  
 kernel:  
   
 -   NVRAM (reading and writing)  
 -   IP Controllers (Industry Pack sites)  
   
 ### Known Bugs for the MVME162 MVME172 boards:  
   
 -   None  
   
 MVME167 family  
 --------------  
   
 MVME177 family  
 --------------  
   
 Board-specific support for the MVME167 and MVME177 was written by Steve  
 Woodford.  
   
 ### Supported Hardware  
   
 The second generation [MVME167  
 family](http://mcg.motorola.com/cfm/templates/product.cfm?PageID=952&ProductID=3&PageTypeID=1)  
 and [MVME177  
 family](http://mcg.motorola.com/cfm/templates/product.cfm?PageID=955&ProductID=5&PageTypeID=1)  
 Single Board Computers are based on the MC68040 and MC68060  
 microprocessors. These second generation SBC offers a faster processor  
 and additional on-board memory capability.  
   
 NetBSD/mvme68k 1.4 runs on Motorola MVME167 boards, with as little as  
 8MB of RAM, though *16MB or more is recommended*. NetBSD/mvme68k  
 -current runs on Motorola MVME177 boards. Nearly all of the on-board  
 MVME167/MVME177 hardware is supported:  
   
 -   Battery-backed real-time clock  ## Boot options
 -   Network interfaces  
     -   on-board Ethernet Intel i82596 controller  
   
 -   Parallel port  
     -   on-board Centronics style printer port  
   
 -   SCSI (most disks, tapes, CD-ROMs, etc)  
     -   on-board NCR 53c710 SCSI bus interface chip using DMA facilities  
         of the board supporting synchronous transfers up to 10  
         Mbytes/second.  
   
 -   Serial ports (RS232)  
     -   on-board Cirrus Logic CD2401 communications controller  
     -   built-in console and tty01 - tty03, with speeds up to 38400 baud  
   
 -   VMEbus  
     -   all VMEbus boards supported by NetBSD's machine-independent  
         VMEbus framework. See /sys/dev/vme for details.  
   
 -   MEMC040 (onboard memory controllers)  
   
 The following on-board hardware is not yet directly supported by the  
 kernel:  
   
 -   NVRAM (reading and writing)  
   
 ### Known Bugs for the MVME167 and MVME177 boards:  
   
 -   None  
   
 VMEbus RAM Boards  
 -----------------  
   
 Any VMEbus RAM board which does not require software to set it up should  
 work with MVME147 cards. At this time, VMEbus RAM boards are not  
 officially supported with other MVME boards.  
   
 These VMEbus RAM boards are known to work the NetBSD/mvme68k.  
   
 *The list of VMEbus RAM boards known to work is currently under  
 development. If you have a VMEbus RAM board that works with  
 NetBSD/mvme68k please send the model number to  
 [www@NetBSD.org](mailto:www@NetBSD.org). It will be added to the list.*  
   
 MVME712 Transition Board  
 ------------------------  
   
 These transition boards are compatible with the MVME147, MVME167 and  
 MVME177 family of single board computers.  
   
 -   MVME712A  
 -   MVME712B  
 -   MVME712-012  
 -   MVME712AM  
 -   MVME712M  
 -   MVME712-013  
   
 General Comments  
 ----------------  
   
 These are some general comments that apply to NetBSD/mvme68k.  
   
 -   Application code for any m68k-based NetBSD platform will run on all  
     the mvme68k single-board computers without change.  
 -   If necessary, a single kernel image can be built which will boot on  
     all the MVME models.  
   
   
 Boot options  
 ------------  
   
 -   Supported:  -   Supported:
   
Line 279  Boot options Line 40  Boot options
   
 """  """
 additional="""  additional="""
 ### General Questions  * [NetBSD/mvme68k FAQ](http://www.NetBSD.org/ports/mvme68k/faq.html)
   * [NetBSD/mvme68k History](http://www.NetBSD.org/ports/mvme68k/history.html)
 -   [How to handle a dead nvram battery](#dead_nvram)  
 -   [What are the jumpers on the backplane](#bus_jumpers)  
 -   [My newly installed MVME167 crashes on  
     reboot](#mvme167_crash_on_boot)  
   
 ### Other sources of information  
   
 -   [Other information on NetBSD.org](#other_info_nbsd)  
   
 * * * * *  
   
 ### General Questions  
   
 #### How to handle a dead nvram battery ([top](#general))  
   
 They are not 'mvme' specific chips, in that there's nothing which needs  
 to be pre-programmed to make them work with a 147. What you need to do,  
 both with a new nvram, or one with a flat battery is to press the  
 abort/reset buttons in the following order to force 147bug to  
 re-initialise the nvram:  
   
 -   Press and hold abort  
   
 -   Press reset, while still holding abort  
   
 -   Release reset  
   
 -   5 seconds later (or when 147bug prompt appears) release abort  
   
 You should now set the ethernet MAC address using the **lsad** command.  
 The address is on a label on the inside of the front panel. Only the  
 last five digits need to be entered. Next, use the **mm** command to set  
 the 32-bit word at 0xfffe0764 to zero.  
   
 #### What are the jumpers on the backplane ([top](#general))  
   
 The jumpers on the backplane are for Bus Grant and Interrupt  
 Acknowledge. Some VMEbus boards, like disk controllers, do their own  
 VMEbus I/O instead of using DMA from the CPU. The I/O board requests  
 control of the VMEbus, the arbiter on the CPU board releases control of  
 the VMEbus, and then the arbiter on the CPU sends a Bus Grant signal  
 down the backplane.  
   
 There are only 4 Bus Grant levels, and you can have several boards, on  
 the same Bus Grant level. The Bus Grant signal daisy-chains down the  
 backplane through each I/O board. If you have an empty slot you break  
 the daisy-chain.  
   
 Backplane manufacturers put jumper pins next to the connectors so you  
 can jumper across empty slots. Unfortunately the jumpers may be to the  
 right or left of a slot depending on the manufacturer.  
   
 You may also find that some VMEbus boards don't pass on daisy-chain  
 signals that they don't use. This means that you may have to leave  
 jumpers on even when a board is in a slot.  
   
 If the boards are side-by-side without an empty slot between the CPU and  
 the VMEbus boards you may not need any jumpers. That might be worth a  
 try.  
   
 #### My newly installed MVME167 crashes on reboot ([top](#general))  
   
 This is most likely caused by the NetBSD kernel image loading over the  
 top of 167Bug's workspace in DRAM. The fix is simple; remove jumper 'J1'  
 near the top/front of the MVME167 board. This tells 167Bug to use  
 another area of memory for its workspace.  
   
 """  """
   
 ]]  ]]
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  Added in v.1.16

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