VMXX2 documentation
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1. The BSP configures that area from 0x4000000 to 0x4400000 The default configuration of the BSP is for 1 MB flash eproms This should be changed in the MakeSkel and config h ROMSIZE 0x400000 4 1 2 DRAM The 32bits wide DRAM is available in 2 differenet sizes 4 or 16 MB The default configuration of the BSP is for 4 MB DRAM The size of this memory can be easily changed to 16MB in config h LOCAL_MEM_SIZE 0x1000000 4 1 3 Addresses See VM42 VM62 User s Manual for memory mapping vmxx2 doc 13 25 Modular Computers 4 2 SMC Serial Port 4 2 1 Port definition The two SMC serial ports are available on the front panel The SMC1 serial port is the upper port port0 tyCo 0 The SMC2 serial port is the lower port port1 tyCo 1 4 2 2 Number of available ports The number of available port can be changed in config h default is 2 It can be reduced to 1 by undef NUM_TTY define NUM_TTY 1 4 2 3 Console definition The console is defined by default on the lower port 1 This can be changed to the upper port in config h Hundef CONSOLE_TTY define CONSOLE_TTY 0 Only the SMC Serial ports can be used as Console and not the SCC Serial ports vmxx2 doc 14 25 Modular Computers 4 3 SCC Serial Ports refer to SCC 68360 Driver Specification Version 1 0 4 3 1 Port definition On a standard VM42 VM62 there is only one SCC port available this is the SCC1 port that is used for an ethernet connect2. Modular Computers 3 BSP INSTALLATION Warning The Pep delivery of the BSP contains a standard Wind River header file In this release Pep Modular Computers had to modify this standard header file m68360 h When the BSP is installed check if the Pep delivery has updated this m68360 h header file The modification history of this m68360 h file should show add Pep Specific structures and defines Please refer to the Installation Note for the installation of this BSP vmxx2 doc 7 25 Modular Computers 3 1 File Structure 3 1 1 Delivered files tyCoDrv c bootrom hex symTbl c pkLib c rominit s sysLib c sySALib s config pvm42 config h Makefile ovm42 h sim60 h libMC68040gnuvm4262 lib WIND_BASE target mem e2VM42 c src drv timer m68360Timer c serial m3I60SMCPep c serial m3860SCCPep c timer timerDev h timer m360Timers h h drv serial tyloctlPep h serial mM3I60SMCPep h serial m3I60SCCPep h Modified Wind multi m68360 h River File multi m68360Pep h multi quicc h multi pram h multi registers h for the VM42 LC the directory pvm42LC is created vmxx2 doc 8 25 Modular Computers 3 2 Program your bootrom in the VM42 FLASHES 3 2 1 Build your bootprom image A standard bootrom hex file can be found in the delivery in the directory config pvm42 If a new boot image file needs to be generated run the makefile with the bootrom hex entry so that the b
3. to the Local Mailbox is done through the bit7 of the board control register OxCD000005 Access to the VME Mailbox is done at the board base adress 0x87 00000 vmxx2 doc 19 25 Modular Computers 4 6 WindView The use of WindView 1 0 1 is tested with Tornado 1 0 running under Unix Solaris 2 5 To include the time stamp driver and the needed initialisation for WindView just include the next defines in your config h file Windview and TIMESTAMP driver if TRUE define INCLUDE_INSTRUMENTATION define INCLUDE WINDVIEW define INCLUDE _TIMESTAMP endif vmxx2 doc 20 25 Modular Computers 5 THE LIBMC680X0GNUVM24262 A LIBRARY 5 1 E2PROM This library supports the VM42 VM62 onboard E2PROM The first 1kbit is reserved for PEP data The second kbit can be used for example for the storage of the VxWorks boot parameters The following structure is made for the PEP data part part named dummy with offset O and length 18 36 bytes part named Profibus with offset 18 and length2 4 bytes part named Ethernet with offset 20 and lengih3 6 bytes part named Reserved with offset 23 and length 41 82 bytes part named Bootline with offset 64 and length 64 128 bytes The functions that are available in the normal BSP s are Initialises the SPI Controller seReSPI Internal function Send Receive Bytes over SPI The functions that only are available in PEP Internal BSP s are writes the Dummy info to th
4. Modular Computers BSP Package 2 0 2 XTOOBS CENTER Tornado 1 0 x BSP Name VMx42 x62 BSP Release 2 0 3 Issue 1 50 VM42 VM62 VM42LC VM642 VM662 Board Support Package VM42 VM62 VM42LC VM642 VM662 Board Support Package User s Manual Issue 1 50 1 25 Modular Computers REVISION HISTORY Tornado BSP Package 2 0 2 Issue Brief Description of Changes BSP Date of Issue Author Release 1 00 Creation Update from VxWorks 5 2 13 May 1996 110 Add SCC driver and ER96001 8 July 1996 WindView Support and Ehernet Driver 2 0 2 9 December update ER96003 1996 Update BSP for supporting VM42 LC 16 April 1997 Update for BSP Package 2 0 2 30 May 1997 1 5 Update BSP Package 2 0 2 BSP 2 0 3 July 22 1997 oe 2 0 3 This new version 2 0 3 of software supports e BSP upgrade to version 2 0 3 Next are the known problems and solutions included in this BSP release e The Ethernet driver of the VM42 VM62 is delayed and this when the network traffic is very high and the VM42 VM62 is constantly using the Ethernet driver e The Eeprom on the VM42 VM62 is used to store data regarding the board like the ethernet address and the bootline It happened that not all the characters stored in the bootline where correctly read although they seemed to be correctly stored in the Eeprom e When you want to reset a VM42 VM62 with the reboot command on the target shell while an application communicates w
5. Timer 17 4 4 3 Timestamp Timer 17 4 5 Shared memory and Backplane driver 18 4 5 1 Processor number 18 4 5 2 DUAL RAM size 18 4 5 3 DUAL RAM On board access 18 4 5 4 DUAL RAM VME Access 19 4 5 5 Mailboxes 19 4 6 WindView 20 5 THE LIBMC680X0GNUVM4262 A LIBRARY 21 5 1 E2PROM 21 5 2 Real Time Clock 22 5 3 Ethernet Driver 22 5 4 CPU Speed detection 22 vmxx2 doc 4 25 Modular Computers 6 BOOT FROM THE VME BUS 23 6 1 Build the needed bootrom image 23 6 2 Build the needed OS 23 6 3 Configure your VMEM S2 24 6 4 Configure the VM42 VM62 24 6 5 Configure your VME BUS 25 6 6 Configure your boot parameters and boot 25 vmxx2 doc 5 25 Modular Computers 1 INTRODUCTION The purpose of this document is to describe the specificity of the PEP VM42 VM62 Board Support Package for Tornado 1 0 VxWorks 5 3 2 MAIN FEATURES The VM42 VM62 BSP supports e all CPU clock frequency 25 33 Mhz e the system Clock using the Periodic Interrupt Timer PIT of the MC68360 the 2 SMC serial ports RS 232 of the MC68360 the 4 SCC serial ports RS 232 of the MC68360 the Ethernet controller using SCC1 of the MC68360 the MMU and Cache of the MC68040 the 2Kbits 256 bytes EZPROM the RTC chip the shared memory driver using the onboard dual ported SRAM the VME interface and interrupt controller the auxiliary timer the timestamp driver for Windview the bootline can be stored in eprom e2prom or at fixed place in flash eprom vmxx2 doc 6 25
6. e e2prom e2writeEther writes the Ethernet address to the e2prom dumps the whole content of the e2prom vmxx2 doc 21 25 Modular Computers 5 2 Real Time Clock The library supports the VM42 VM62 onboard real time clock V3021 STATUS rtclnit Initialize the RTC access STATUS rtcSet struct tm t Set Date and Time in UNIX like structure STATUS rtcGet struct tm t Get Date and Time in UNIX like structure 5 3 Ethernet Driver The VM42 VM62 supports the onboard Ethernet controller on SCC1 m360attach attaches the VM42 VM62 Ethernet device The Ethernet address is read from the VM42 VM62 serial EZ2PROM Only one Ethernet device is supported 5 4 CPU Speed detection A function is used to detect the MC68360 CPU clock speed The use of this function might strongly disturb the auxiliary and timestamp timers To avoid further call to that function a global variable couC kSpeed is assigned with the calculated CPU speed vmxx2 doc 22 25 Modular Computers 6 _BOOT FROM THE VME BUS In order to boot your VM42 62 board from the VME bus you need to build a new VxWorks boot image and operating system 6 1 Build the needed bootrom image Modify the default startup entry of the makefile for this purpose Values for VME boot ROM_TEXT_ADRS 87000008 ROM entry address after reset ROM_SIZE 00100000 number of bytes of ROM space and remake the needed bootrom hex image file make bootrom hex 6 2 Build
7. h board in the VME system has a processor number This processor number is defined in the VxWorks boot parameters stored in E2PROM It can be changed from the boot shell Main CPU board has processor number 0 Other CPU boards booting from the VME bus shared memory driver should have processor number 1 2 3 4 5 2 DUAL RAM size The dual ported RAM size can be either 256KB or 1MB This is changed in config h define SRAM_MEM_SIZE 0x40000 for 256 KByte SRAM define SRAM _MEM_SIZE 0x100000 for 1 MByte SRAM OxCAO3FFFF or OxCAFFFFFF 0x87 3FFFF or Ox87 FFFFF SHARED MEMORY OxCA001 FFF 0x87 01FFF MAILBOX INT SRAM OxCA000000 0x87 00000 4 5 3 DUAL RAM On board access The onboard access can be done from O0xCA000000 The real dual ported address range is from 0xCA002000 to 0xCA040000 for the 256KB version and from 0xCA002000 to OxCAOFFFFF for the 1MB version vmxx2 doc 18 25 Modular Computers 4 5 4 DUAL RAM VME Access Another boards can only access the dual port memory aboce 0x87 02000 The first 8KB are reserved for the Mailbox Interrupts The VME base address depends on the CPU board cpu number CPU 0 starts at VME address 0x87100000 CPU 1 starts at VME address 0x87200000 The address range is then from 0x87 02000 to 0x87 3FFFF for the 256KB version from 0x87 02000 to 0x87 FFFFF for the 1MB version 4 5 5 Mailboxes Mailboxes are used for the communication between VM42 VM62 cpu boards Access
8. ine will be saved in the flash eprom In the config h file remove the and Bootline in flash eprom The bootline can be put at a fixed address in the flash eproms define FLASH_BOOTLINE The address where the bootline is stored depends on the flash eproms used The supported tested flash eproms are the 29F010 and 29F040 Since this address depends on this type of flash eproms the BSP displays the address before retrieving and writing the bootline vmxx2 doc 11 25 Modular Computers 3 5 VM42 LC The difference between a VM42 and a VM42 LC board is that the VM42 LC has no floating point hardware registers nor instructions to handle them and so all this has to be done by software For generation of the VM42 LC BSP boot eproms and image file the next definitions are changed in the Makefile file compared to a normal VM42 BSP CPU MC68040 into CPU MC68LC040 TARGET_DIR pvm42 into TARGET_DIR pvm42lc where pvm42Ic is the directory where the BSP is installed in usr vw config pvm42lc From this moment on your make command will compile for a MC68LC040 CPU vmxx2 doc 12 25 Modular Computers 4 DEVICES 4 1 Memory map 4 1 1 Flash eproms The 32bits wide Flash eprom is available in 2 different sizes 1 MB divided in 2 banks of 512 4 MB divided in 2 banks of 2 MB Each bank can be separately protected see Jumper B1 of the DM600 configuration in the VM42 VM62 User s Manual
9. ion with the host Here it is not a serial port any more When there is no ethernet connection on the VM42 VM62 this SCC1 port can be used as a serial channel SCC1 Ethernet SCC1 Ethernet Piggy Serial Piggy Back Back There are totally 4 SCC serial ports available SCC1 to SCC4 The SCC1 serial port 1 tyScc360 1 On front panel The SCC2 serial port 2 tyScc360 2 Redirected to CXC connector The SCC3 serial port 3 tyScc360 3 Redirected to CXC connector The SCC4 serial port 4 tyScc360 4 On front panel and redirected on CXC connector vmxx2 doc 15 25 Modular Computers 4 3 2 Number of available ports The number of available port can be changed in config h default is 0 It can be changed by define NUM_SCC 1 for only use SCC 1 when not used as ethernet define NUM_SCC 2 for use of SCC1 and SCC2 define NUM_SCC 3 for use of SCC1 SCC2 and SCC3 define NUM_SCC 4 for use of SCC1 SCC2 SCC3 and SCC4 Remark When the SCC1 is used as ethernet device and the user wants to instal a serial device on SCC1 the driver will return without changing the ethernet device on SCC1 This SCC Serial driver can not be used as a bridge a console or as a debugging help by for the BSP It can only be used in an application written by the user Standard the SCC Serial driver is not initialised at boot refer to Number of available ports to configure the use of the SCC Serial channels vmxx2 doc 16 25 Modular Co
10. ith an other board and the BNC Ethernet connector is removed the reboot command is not executed vmxx2 doc 2 25 Modular Computers When you reconnect the BNC Ethernet connector the communication between the VM42 VM62 and the other CPU board continues executing But the reboot command is never executed When a VM42 VM62 without BNC Ethernet connector is used the board reboots correctly as wanted e In the standard BSP delivery the BSP was configured to boot in the VxWorks 5 2 configuration this means with the shell onboard The BSP was also configured to include a Wind View header file even if Wind View was not installed timestampDev h vmxx2 doc 3 25 Modular Computers Table of contents 1 INTRODUCTION 6 2 MAIN FEATURES 6 3 BSP INSTALLATION 7 3 1 File Structure 8 3 1 1 Delivered files 8 3 2 Program your bootrom in the VM42 FLASHES 9 3 2 1 Build your bootprom image 9 3 2 2 Program the bootprom image into flashes 9 3 3 Configure your Boot Shell parameters 10 3 4 Bootline in flash eprom 11 3 5 VM42 LC 12 4 DEVICES 13 4 1 Memory map 13 4 1 1 Flash eproms 13 4 1 2 DRAM 13 4 1 3 Addresses 13 4 2 SMC Serial Port 14 4 2 1 Port definition 14 4 2 2 Number of available ports 14 4 2 3 Console definition 14 4 3 SCC Serial Ports 15 4 3 1 Port definition 15 4 3 2 Number of available ports 16 4 4 TIMERS 17 4 4 1 System Clock 17 4 4 2 Auxiliary
11. mputers 4 4 TIMERS 4 4 1 System Clock The timer used for the system clock is the PIT Timer of the MC68360 The default value is 60Hz 60 ticks per second The clock frequency can be ranged from 10 to 1000 Hz This timer is configured to give a O shift to any tick rate Use the sysClkRateSet and sysCikRateGet function to modify or read the system clock speed Use sysClkEnable and sysClkDisable to enable or disable the timer interrupts 4 4 2 Auxiliary Timer The auxiliary timer uses the TIMERS1 and 2 of the MC68360 Its period is 320 ns F 3 125 Mhz Use the sysAuxClkRateSet and sysAuxCIkRateGet function to modify or read the system clock speed Use sysAuxClkEnable and sysAuxClkDisable to enable or disable the timer interrupts Use sysAuxClkConnect to add a callout function with parameter to the auxiliary timer interrupts 4 4 3 Timestamp Timer The timestamp driver uses TIMERS3 and 4 of the MC68360 Its period is 320 ns F 3 125 Mhz Its rollover period is 1 second The timestamp driver is only included when INCLUDE_TIMESTAMP is defined in config h This timer is used for Windview Use sysTimestampEnable and sysTimestampDisable to enable and disable the timestamp timer Use sysTimestamp to read the timer value Use sysTimestampConnect to add a callout function with parameter the the timer interrupts vmxx2 doc 17 25 Modular Computers 4 5 Shared memory and Backplane driver 4 5 1 Processor number Eac
12. ootrom image for the flash eproms is generated make bootrom hex 3 2 2 Program the bootprom image into flashes The bootrom hex file needs to be programmed in flash eprom Use the Boot Strap Loader of the VM42 VM42LC VME62 to do so Refer to the appendix of the Boot Strap Loader of the VM42 VM62 hardware manual for more information regarding this issue vmxx2 doc 9 25 Modular Computers 3 3 Configure your Boot Shell parameters Check the Entering Boot Parameters chapter of the Tornado User s Guide for a complete description of all the needed boot parameters Next you will find an example of such boot parameters VxWorks Boot c boot device pep processor number 0 host name mysun file name usr tornado target config pvm42 vxWorks inet on Ethernet 128 0 0 128 host inet 128 0 0 1 user name vw VxWorks Boot And your system should boot vmxx2 doc 10 25 Modular Computers 3 4 Bootline in flash eprom The bootline can be stored in gt e2prom standard configuration gt at a fixed place in the flash eprom always at the end of the first bank The first time the board boots there is not yet a bootline in the e2prom At that point the BSP takes the standard bootline defined in the config h file and stores it in the e2prom From then the BSP takes the content of the e2prom as bootline For saving the bootline in the flash eprom add the define FLASH_BOOTLINE in the config h file and the bootl
13. the needed OS Modify the default startup entry of the config h for this purpose Warning The following definitions must be kept synchronized with the Values in MakeSkel To build bootprom or resident version starting at the VME base address define VME_BOOT You can know put this image in a memory board and configure the memory board to start at VME address 0 Ny define VME_BOOT ifdef VME_BOOT VME Base address define ROM BASE ADRS 0x87000000 else base address of FLASH define ROM BASE ADRS 0x04000000 endif and run the make command again make vmxx2 doc 23 25 Modular Computers 6 3 Configure your VMEM S2 pgi ONO MINOS 6 4 Configure the VM42 VM62 You need to set the jumper J8 in order to boot from the VME Bus vmxx2 doc 24 25 Modular Computers 6 5 Configure your VME BUS Remove BG3 and IACK jumper on the first slot for old VME buses with backplane jumpers Put the VM42 VME62 in the first slot Put the VMEM S2 in the second slot Power up your system After a while about 10 seconds you will get the VxWorks Boot countdown Press any key to get the boot prompt 6 6 Configure your boot parameters and boot Use the c command to configure your boot parameters Use the command to boot vmxx2 doc 25 25
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