bdiGDB User Manual
Contents
1. INIT WTLB OxFFFOO58A OxFFFOOO3F Bridge B Oxfff00000 gt Oxfff00000 1MB I G WTLB OxC3FO058A OxC3FO0003F Bridge A 0xc3f00000 gt Oxc3f00000 1MB I G WTLB Ox4000048A O0x4000003F Int SRAM 0x40000000 gt 0x40000000 256KB I G WTLB 0x0000078A O0x0000003F Flash 0x00000000 gt 0x00000000 16MB I G FILL 0x40000000 0x10000 jinit ECC SRAM WM32 OxC3F80000 0x01000000 FMPLL SYNCR MFD 2 RFD 0 gt fsys 48MHz Unlock Flash Blocks for Erase Programming WM32 OxC3F88004 O0xA1A11111 FLASH LMLR unlock register WM32 OxC3F88004 O0x001CFFCO FLASH _LMLR lock unlock blocks WM32 OxC3F8800C 0xC3C33333 FLASH SLMLR unlock register WM32 OxC3F8800C O0x001CFFCO FLASH _SLMLR lock unlock blocks WM32 OxC3F88008 O0xB2B22222 FLASH HLR unlock register WM32 OxC3F88008 Ox0FFFFO0O0 FLASH HLR lock unlock blocks FLASH WORKS PACE 0x40001000 workspace at 0x40001000 CHIPTYPE H7F MPC5554 internal flash 32 byte page size FILE E temp dump512k bin FORMAT BIN 0x00080000 ERASE 0x00000003 MID erase 2 blocks in Mid Space ERASE Ox0000000F HIGH erase 4 blocks in High Space At the Telnet you may use then MPC5554 gt erase MPC5554 gt erase 3 mid MPC5554 gt erase 7 high Note The base address of the flash registers and the flash page size depends on the selected CPUTYPE Be sure you defined the correct CPUTYPE before erasing programming the internal flash Copyright 1997 2010 by ABATRON AG Switze2. 4 Transmit the initial configuration parameters With bdisetup c the configuration parameters are written to the flash memory within the BDI The following parameters are used to configure the BDI BDI IP Address The IP address for the BDI3000 Ask your network administrator for as signing an IP address to this BDI3000 Every BDI3000 in your network needs a different IP address Subnet Mask The subnet mask of the network where the BDI is connected to A subnet mask of 255 255 255 255 disables the gateway feature Ask your network administrator for the correct subnet mask If the BDI and the host are in the same subnet it is not necessary to enter a subnet mask Default Gateway Enter the IP address of the default gateway Ask your network administra tor for the correct gateway IP address If the gateway feature is disabled you may enter 255 255 255 255 or any other value Config Host IP Address Enter the IP address of the host with the configuration file The configura tion file is automatically read by the BDI3000 after every start up Configuration file Enter the full path and name of the configuration file This file is read via TFTP Keep in mind that TFTP has it s own root directory usual tftpboot You can simply copy the configuration file to this directory and the use the file name without any path For more information about TFTP use man tftpd bdisetup c p dev ttySO b115 gt 1151 120 25 102 gt h15
3. WM32 OxC3F80000 0x01000000 FMPLL SYNCR MFD 2 RFD 0 gt fsys 48MHz Unlock Flash Blocks for Erase Programming WM32 OxC3F88004 O0xA1A11111 FLASH LMLR unlock register WM32 OxC3F88004 Ox001FFFFF FLASH LMLR lock unlock blocks WM32 OxC3F8800C 0xC3C33333 FLASH SLMLR unlock register WM32 OxC3F8800C Ox001FFFFF FLASH SLMLR lock unlock blocks WM32 OxC3F88008 OxXB2B22222 FLASH HLR unlock register WM32 OxC3F88008 OXOFFFFFFO FLASH HLR lock unlock blocks TARGET CPUTYPE 5554 the used target CPU type JTAGCLOCK 1 juse 16 MHz JTAG clock POWERUP 2000 start delay after power up detected in ms WAKEUP 100 give reset time to complete STARTUP HALT halt processor immediatelly after reset BREAKMODE HARD SOFT or HARD STEPMODE JTAG JTAG or HWBP MEMACCESS NEXUS select ONCE or NEXUS memory access mode HOST IP 151 120 25 119 Windows host FILE E temp dump512k bin FORMAT BIN 0x20000000 PROMPT MPC5554 gt FLASH only to test helper code WORKS PACE 0x40001000 workspace at 0x40001000 CHIPTYPE H7F MPC5554 internal flash FILE E temp dump512k bin FORMAT BIN 0x00080000 ERASE Ox0000000F HIGH erase 4 blocks in High Space REGS FILE reg5554 def Based on the information in the configuration file the target is automatically initialized after every re set Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 5 2 Installation 2 1 Connecting the B
4. msa gt Vein 100 Eornnect m BDISO00 Firmware Loaded Version 1 00 Newest Version 1 00 Current Erase Update Configuration BDI IP Address 151 120 25102 0 Subnet Mask 255 255 255 0 2 Default Gateway 255 255 255 255 Config Host IP Address fi 51 120 25 112 Configuration file bdi3000 mytarget cfg wes o Town Writing setup data passed dialog box BDI3000 Update Setup Before you can use the BDI3000 together with the GNU debugger you must store the initial config uration parameters in the BDI3000 flash memory The following options allow you to do this Port Select the communication port where the BDI3000 is connected during this setup session If you select Network make sure the Loader is already active Mode LED blinking If there is already a firmware loaded and run ning use the Telnet command boot loader to activate Loader Mode Speed Select the baudrate used to communicate with the BDI3000 loader during this setup session Connect Click on this button to establish a connection with the BDI3000 loader Once connected the BDI3000 remains in loader mode until it is restarted or this dialog box is closed Current Press this button to read back the current loaded BDI3000 firmware ver sion The current firmware version will be displayed Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 15 Erase Up
5. 5 2 Configuration with a Windows NOSt cccceeeeeeeeeeeeeeeeeeeeeeeeaaaeeeeeeaeeeeeeeeeeeeeenenaeeees 14 2 5 3 Configuration via Telnet TFTP cestcasctecds Sentered ates aetbien naediontaat eleven beaten 16 2 6 Testing the BDI3000 to host CONNECTION ee cee eect ee enetee ee ee eee e ee teeneeeeeeeeeeeteeeeaaaeeeeeeeeneeea 18 27 PEEP SOrver TOT WING OWS s iicet i chasis adie i e adh heeetpedeeay Mead Gdk dented Adeeb EE 18 MPS DIG Biase ek coca T Stace eas ie at adc tar cease canuste TT 19 3 1 Principle Of OPSratlONs2iced ccakset ciel eedcbes e NR a eee asta aa Se hae eae 19 3 2 Contiguration File isene n seis ne add dexter idee tes ads ened 20 3 2 1 Part INIT eec ea ce tenced boc cecisauehpas ants coubeguclseBediadals hus eE eae eau DE aaa a oaks tenis 21 3 2 2 Part TARGET r a E a A E A ieee 24 Deo A OEA E EEE EE E E N 27 S24 Patt PEAS i e E E EE E AAE ash A E 29 3 2 5 Pait REGS er ph es here wba a a E a E O A ay aka 34 3 3 Debugging with GDB seco ofa eres scaled Ac acct aes aces a zaacuiex eave cae neda sence cncennae Ceteeraug Geaactneu stevens 36 3 3 1 Target SGU pices cette aiaa enn sels iae pa nce a tines E seein rele 36 3 3 2 Connecting to the target eeecccceeeesceeeeeeneeeeeeeneeeeeeeeeeeeeeeeaaaeeeenaeeeeeeeneeeeeeeeaaeeeeeaa 36 33 3 GDB monitor COMMA sissien ae e Ghee tenia igen A Seater age canst 36 3 3 4 Target serial VO via BDI eccsusccocicsscizosseurecetarcianzadduatiacdvnsta0es duatesttpide
6. code via TFTP and set the PC RUN selected Start loaded program code _ Process GDB request Power OFF Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 20 Breakpoints There are two breakpoint modes supported One of them SOFT is implemented by replacing appli cation code with an ILLEGAL instruction 0x00000000 The other HARD uses the built in break point logic If HARD is used only 4 breakpoints can be active at the same time The following example selects SOFT as the breakpoint mode BREAKMODE SOFT SOFT or HARD HARD uses PPC hardware breakpoints All the time the application is suspended i e caused by a breakpoint the target processor remains freezed 3 2 Configuration File The configuration file is automatically read by the BDI after every power on The syntax of this file is as follows comment part name identifier parameterl parameter2 parameterN comment identifier parameterl parameter2 parameterN part name identifier parameterl parameter2 parameterN identifier parameterl parameter2 parameterN etc Numeric parameters can be entered as decimal e g 700 or as hexadecimal 0x80000 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o tdi for BDI3000 PowerPC MPC55xx User Manual 21 3 2 1 Part INIT The part IN
7. file must have an appropriate entry You may also use an IP address in the form XXX XXX XXX XXX 2001 This is the TCP port used to communicate with the BDI If not already hated this stops the execution of application code and the target CPU changes to de bug mode Remember every time the processor is in debug mode the processor is freezed During this time no hardware interrupts will be processed Note For convenience the GDB detach command triggers a target reset sequence in the BDI gdb detach Wait until BDI has resetet the target and reloaded the image gdb target remote bdi3000 2001 3 3 3 GDB monitor command The BDI supports the GDB V5 x monitor command Telnet commands are executed and the Telnet output is returned to GDB This way you can for example switch the BDI breakpoint mode from within your GDB session gdb target remote bdi3000 2001 Remote debugging using bdi3000 2001 0x10b2 in start gdb monitor break Breakpoint mode is SOFT gdb mon break hard gdb mon break Breakpoint mode is HARD gdb Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 oe tdi for BDI3000 PowerPC MPC55xx User Manual 37 3 3 4 Target serial I O via BDI A RS232 port of the target can be connected to the RS232 port of the BDI3000 This way it is possible to access the target s serial I O via a TCP IP channel For example you can connect a Telnet session to the appropriate BDI3000 port Connecting GDB to a G
8. instruction The optional second parameter defines a save PC value used when executing this in struction opcode the opcode of the PPC instruction workpc if used should define a save address where fetching in structions is possible Example EXEC 0x7C0007A4 0x40001000 tlbwe Adds an entry to the TLB array For parameter description see below A TLB entry can also be added via a Telnet command enter WTLB at the telnet for a description epn the effective page number size and WIMG flags value the real page number and access rights Example WTLB OxF0000095 0x1F00003F Boot Space 256MB Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 23 Adding entries to the MMU TLB For MPC55xx targets it is necessary to setup the TLB before memory can be accessed This is be cause on a MPC55xx the MMU is always enabled The init list entry WTLB allows an initial setup of the TLB array The lt epn gt parameter defines the effective page number space size and WIMG flags MAS1 MAS2 P IPROT S TS Pit ae aR Rete RSS Ss a PSM Op R abe sss EPN SIZE PS VWIMGE Pele sree ig S Sees de he bop oS eS 20 AD 8 6 The lt rpn gt parameter defines the real page number and access rights MAS3 eS S Rie Re Se ser ee ae aa r ie a dk RPN UUUU XXWWRR Heke rite ete See Beatie So es ae as 4 22 6 Not all fields of a TLB entry are defined with the abo
9. mode GO lt pc gt set PC and start target system TT lt pc gt trace on instruction single step EC lt pc gt trace on change of flow HALT force target to enter debug mode BI lt addr gt set instruction hardware breakpoint CI lt id gt clear instruction hardware breakpoint s BD R W lt addr gt set data watchpoint CD lt id gt clear data watchpoint s INFO display information about the current state LOAD lt offset gt lt file gt lt format gt load program file to target memory VERIFY lt offset gt lt file gt lt format gt verify a program file to target memory PROG lt offset gt lt file gt lt format gt program flash memory I lt format gt SREC BIN AOUT or ELF ERASE lt address gt lt mode gt erase a flash memory sector chip or block yi lt mode gt CHIP BLOCK or SECTOR default is sector ERASE lt addr gt lt step gt lt count gt erase multiple flash sectors ERASE lt mask gt LOW MID HIGH SHADOW erase H7F flash blocks UNLOCK lt addr gt lt delay gt unlock a flash sector UNLOCK lt addr gt lt step gt lt count gt unlock multiple flash sectors FLASH lt type gt lt size gt lt bus gt change flash configuration DELAY lt ms gt delay for a number of milliseconds HOST lt ip gt change IP address of program file host PROMPT lt string gt defines a new prompt string CONFIG display or update BDI configurat
10. ttyS0O b57 The MAC address is derived from the serial number as follows MAC 00 0C 01 xx xx xx replace the xx xx xx with the 6 left digits of the serial number Example SN 33123407 gt gt 00 0C 01 33 12 34 Default IP 192 168 53 72 Before the BDI is configured the first time it has a default IP of 192 168 53 72 that allows an initial configuration via Ethernet Telnet or Setup Tools If your host is not able to connect to this default IP then the initial configuration has to be done via the serial connection Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o tdi for BDI3000 PowerPC MPC55xx User Manual 12 2 5 1 Configuration with a Linux Unix host The firmware update and the initial configuration of the BDI3000 is done with a command line utility In the ZIP Archive bdisetup zip are all sources to build this utility More information about this utility can be found at the top in the bdisetup c source file There is also a make file included Starting the tool without any parameter displays information about the syntax and parameters A To avoid data line conflicts the BDI3000 must be disconnected from the target system while programming the firmware for an other target CPU family Following the steps to bring up a new BDI3000 1 Build the setup tool The setup tool is delivered only as source files This allows to build the tool on any Linux Unix host To build the tool simply start the make utilit
11. valid for following product Type of device BDM JTAG Interface Product name BDI3000 The signing authorities state that the above mentioned equipment meets the requirements for emission and immunity according to EMC Directive 89 336 EEC The evaluation procedure of conformity was assured according to the following standards IEC 61000 6 2 1999 mod EN61000 6 2 2001 IEC 61000 6 3 1996 mod EN61000 6 2 2001 This declaration of conformity is based on the test report no E1087 05 7a of Quinel Zug Swiss Testing Service accreditation no STS 037 Manufacturer ABATRON AG Lettenstrasse 9 CH 6343 Rotkreuz Authority D TE Max Vock Ruedi Dummermuth Marketing Director Technical Director Rotkreuz 7 18 2007 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o tdi for BDI3000 PowerPC MPC55xx User Manual 42 7 Warranty ABATRON Switzerland warrants the physical CD cable and BDI3000 to be free of defects in mate rials and workmanship for a period of 3 years following the date of purchase when used under normal conditions In the event of notification within the warranty period of defects in material or workmanship ABATRON will repair replace defective CD cable or BDI3000 The remedy for breach of this warran ty shall be limited to replacement and shall not encompass any other damages including but not lim ited loss of profit special incidental consequential or other s
12. 1 120 25 112 gt fe bdi3000 mytarget cfg Connecting to BDI loader Writing network configuration Configuration passed 5 Check configuration and exit loader mode The BDI is in loader mode when there is no valid firmware loaded or you connect to it with the setup tool While in loader mode the Mode LED is blinking The BDI will not respond to network requests while in loader mode To exit loader mode the bdisetup v s can be used You may also power off the BDI wait some time 1min and power on it again to exit loader mode bdisetup v p dev ttyS0O b115 s BDI Type BDI3000 SN 30000154 Loader V1 00 Firmware V1 00 bdiGDB for MPC5500 MAC 00 0c 01 30 00 01 IP Addr 151 120 25 102 Subnet 25572554295255 Gateway 255255 255 2255 Host IP 151 120 25 112 Config bdi3000 mytarget cfg The Mode LED should go off and you can try to connect to the BDI via Telnet telnet 151 120 25 102 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o tdi for BDI3000 PowerPC MPC55xx User Manual 14 2 5 2 Configuration with a Windows host First make sure that the BDI is properly connected see Chapter 2 1 to 2 4 A To avoid data line conflicts the BDI3000 must be disconnected from the target system while programming the firmware for an other target CPU family fim BDI3000 Update Setup x m Connect BDI3000 Loader r Channel SN 30000154 Port COM1 Bd MAC 000001300001 speed
13. 2 For 32bit only flash M58X32 Some newer Spansion MirrorBit flashes cannot be programmed with the MIRRORX16 algorithm be cause of the used unlock address offset Use S29M32X16 for these flashes The AMD and AT49 algorithm are almost the same The only difference is that the AT49 algorithm does not check for the AMD status bit 5 Exceeded Timing Limits Only the AMD and AT49 algorithm support chip erase Block erase is only supported with the AT49 algorithm If the algorithm does not support the selected mode sector erase is performed If the chip does not support the selected mode erasing will fail The erase command sequence is different only in the 6th write cycle Depending on the selected mode the following data is written in this cycle see also flash data sheets 0x10 for chip erase 0x30 for sector erase 0x50 for block erase To speed up programming of Intel Strata Flash and AMD MirrorBit Flash an additional algorithm is implemented that makes use of the write buffer This algorithm needs a workspace otherwise the standard Intel AMD algorithm is used The following table shows some examples Chipsize Am29F010 AM29F 0x020000 Am29F800B AM29BX8 AM29BX16 0x100000 Am29DL323C AM29BX8 AM29BX16 0x400000 Am29PDL128G AM29DX16 AM29DX32 0x01000000 Intel 28FO32B3 I28BX8 0x400000 Intel 28F640J3A STRATAX8 STRATAX16 0x800000 Intel 28F320C3 I28BX16 0x400000 AT49BV040 AT49 0x080000 AT49B
14. 55 255 255 255 Config IP 2 154 120 2512 72 Config File bdi3000 mytarget cfg LDR gt To boot now into the firmware use LDR gt boot The Mode LED should go off and you can try to connect to the BDI again via Telnet telnet 151 120 25 102 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 18 2 6 Testing the BDI3000 to host connection After the initial setup is done you can test the communication between the host and the BDI3000 There is no need for a target configuration file and no TFTP server is needed on the host e If not already done connect the BDI3000 system to the network e Power up the BDI3000 e Start a Telnet client on the host and connect to the BDI3000 the IP address you entered dur ing initial configuration e If everything is okay a sign on message like BDI Debugger for Embedded PowerPC and a list of the available commands should be displayed in the Telnet window 2 7 TFTP server for Windows The bdiGDB system uses TFTP to access the configuration file and to load the application program Because there is no TFTP server bundled with Windows Abatron provides a TFTP server application tftpsrv exe This WIN32 console application runs as normal user application not as a system ser vice Command line syntax tftpsrv p w dRootDirectory Without any parameter the server starts in read only mode This means only read access request from the clien
15. 8 ebi_orl MM OxC3F8401C ebi_br2 MM OxC3F84020 ebi_or2 MM OxC3F84024 ebi_br3 MM OxC3F84028 ebi_or3 MM 0xC3F8402C Now the defined registers can be accessed by name via the Telnet interface BDI gt rd csrro BDI gt rm ebi_br0 0x20000001 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 oe bai for BDI3000 PowerPC MPC55xx User Manual 36 3 3 Debugging with GDB Because the GDB server runs within the BDI no debug support has to be linked to your application There is also no need for any BDI specific changes in the application sources 3 3 1 Target setup Target initialization may be done at two places First with the BDI configuration file second within the application The setup in the configuration file must at least enable access to the target memory where the application will be loaded Disable the watchdog and setting the CPU clock rate should also be done with the BDI configuration file Application specific initializations like setting the timer rate are best located in the application startup sequence 3 3 2 Connecting to the target As soon as the target comes out of reset BDI initializes it and optionally loads your application code BDI now waits for GDB request from the debugger running on the host After starting the debugger it must be connected to the remote target This can be done with the fol lowing command at the GDB prompt gdb target remote bdi3000 2001 bdi3000 This stands for an IP address The HOST
16. 8MHz 10 50 kHz 4 5MHz 11 20 kHz 5 4MHz 12 10 kHz 6 1MHz 13 5kHz Example CLOCK 1 JTAG clock is 16 MHz When the BDI detects target power up HRESET is forced immediately This way no code from a boot ROM is executed after power up The value entered in this configuration line is the delay time in milliseconds the BDI waits before it begins JTAG communication This time should be longer than the on board reset circuit asserts HRESET delay the power up start delay in milliseconds Example POWERUP 5000 start delay after power up Normally the BDI drives the HRESET line during startup If reset type is NONE the BDI does not assert a hardware reset during startup This entry can also be used to change the default reset time type NONE HARD default time The time in milliseconds the BDI assert the reset signal Example RESET NONE no reset during startup RESET HARD 1000 assert RESET for 1 second This entry in the init list allows to define a delay time in ms the BDI inserts between releasing the COP HRESET line and starting communicating with the target This init list entry may be necessary if RESET is delayed on its way to the PowerPC reset pin time the delay time in milliseconds Example WAKEUP 3000 insert 3sec wake up time Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 25 STARTUP mode runtime This parameter selects the target startup mode The
17. DB server stub running on the target should also be possible Target System RS232 Connector 2 RXD 3 TXD 5 GROUND DB Ereyeye Z Ethernet 10 100 BASE T E The configuration parameter SIO is used to enable this serial I O routing The used framing parameters are 8 data 1 stop and not parity TARGET SIO 7 9600 Enable SIO via TCP port 7 at 9600 baud Warning Once SIO is enabled connecting with the setup tool to update the firmware will fail In this case either disable SIO first or disconnect the BDI from the LAN while updating the firmware Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 oe bai for BDI3000 PowerPC MPC55xx User Manual 38 3 4 Telnet Interface A Telnet server is integrated within the BDI The Telnet channel is used by the BDI to output error messages and other information Also some basic debug commands can be executed Telnet Debug features e Display and modify memory locations e Display and modify general and special purpose registers e Single step a code sequence e Set hardware breakpoints e Load a code file from any host e Start Stop program execution e Programming and Erasing Flash memory During debugging with GDB the Telnet is mainly used to reboot the target generate a hardware re set and reload the application code It may be also useful during the first installation of the bdiGDB system or in case of
18. DI3000 to Target The enclosed cable to the target system is designed for the standard JTAG OnCE connector In case where the target system has the same connector layout the cable can be directly connected A In order to ensure reliable operation of the BDI EMC runtimes etc the target cable length must not exceed 20 cm 8 Target System 111114 1 13 rameter 7 gt TEETE lt 4 Target Connector 2 14 1 TDI 3 TDO BDI3000 4 GROUND 5 TCK 6 GROUND TARGET A 9 RESET ae 10 TMS eooeed 11 Vcc Target eeese 10 2 13 RDY_ 14 TRST The green LED TRGT marked light up when target is powered up For BDI MAIN TARGET A connector signals see table on next page Warning Before you can use the BDI3000 with an other target processor type e g PPC lt gt ARM a new setup has to be done see chapter 2 5 During this process the target cable must be disconnected from the target system To avoid data line conflicts the BDI3000 must be disconnected from the target system while programming a new firmware for an other target CPU Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 oe tdi for BDI3000 PowerPC MPC55xx User Manual 6 BDI MAIN TARGET A Connector Signals TRST JCOMP Description Nexus RDY signal This input to the BDI3000 connects to the target RDY line JTAG Test Reset Thi
19. IT defines a list of commands which should be executed every time the target comes out of reset The commands are used to get the target ready for loading the program file WGPR register value Write value to the selected general purpose register register the register number 0 31 value the value to write into the register Example WGPR 0 5 WSPR register value Write value to the selected special purpose register register the register number value the value to write into the register Example WSPR 27 0x00001002 SRR1 ME RI WREG name value Write value to the selected CPU register by name name the register name MSR CR PC XER LR CTR value the value to write into the register Example WREG MSR 0x00001002 DELAY value Delay for the selected time A delay may be necessary to let the clock PLL lock again after a new clock rate is selected value the delay time in milliseconds 1 30000 Example DELAY 500 delay for 0 5 seconds WM 8 address value Write a byte 8bit to the selected memory place address the memory address value the value to write to the target memory Example WM8 OxFFFFFA21 0x04 SYPCR watchdog disable WM16 address value Write a half word 16bit to the selected memory place address the memory address value the value to write to the target memory Example WM16 0x02200200 0x0002 TBSCR WM32 address value Write a word 32bit to the selected memory place address the memory address value the val
20. PC host 2 RXD data from host 3 TXD data to host 5 GROUND BDIs000 PC Host RS232 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 10 2 4 2 Ethernet communication The BDI3000 has a built in 10 100 BASE T Ethernet interface see figure below Connect an UTP Unshielded Twisted Pair cable to the BD3000 Contact your network administrator if you have ques tions about the network 10 100 BASE T 1 8 Connector 1 TD 2 TD 3 RD LED1 LED2 6 RD BDIs000 PC Unix Host OO Target System Ethernet 10 100 BASE T k The following explains the meanings of the built in LED lights Function Description Link Activity When this LED light is ON data link is successful between the UTP port of the BDI3000 and the hub to which it is connected The LED blinks when the BDI3000 is receiving or transmitting data When this LED light is ON 100Mb s mode is selected default When this LED light is OFF 10Mb s mode is selected Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o tdi for BDI3000 PowerPC MPC55xx User Manual 11 2 5 Installation of the Configuration Software On the enclosed diskette you will find the BDI configuration software and the firmware required for the BDI3000 For Windows users there i
21. UCC 2 12 two device with an IR length of 8 4 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o tdi for BDI3000 PowerPC MPC55xx User Manual 27 3 2 3 Part HOST The part HOST defines some host specific values IP ipaddress The IP address of the host ipaddress the IP address in the form XXX XXX XXX XXX Example IP 151 120 25 100 FILE filename The default name of the file that is loaded into RAM using the Telnet load command This name is used to access the file via TFTP If the filename starts with a this is replace with the path of the configuration file name filename the filename including the full path or for relative path Example FILE F gnu demo ppc test elf FILE test elf FORMAT format offset The format of the image file and an optional load address offset If the im age is already stored in ROM on the target select ROM as the format The optional parameter offset is added to any load address read from the im age file format SREC BIN AOUT ELF IMAGE or ROM Example FORMAT ELF FORMAT ELF 0x10000 LOAD mode In Agent mode this parameters defines if the code is loaded automatically after every reset mode AUTO MANUAL Example LOAD MANUAL START address The address where to start the program file If this value is not defined and the core is not in ROM the address is taken from the image file If this val ue is not defined and the core is already in ROM the PC will not be set befor
22. V1614 AT49X8 AT49X16 7 0x200000 M58BW016BT M58X32 0x200000 SST39VF160 AT49X16 0x200000 Am29LV320M MIRRORX8 MIRRORX16 0x400000 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 oe bd for BDI3000 PowerPC MPC55xx User Manual 32 Note Some Intel flash chips e g 28F800C3 28F160C3 28F320C3 power up with all blocks in locked state In order to erase program those flash chips use the init list to unlock the appropriate blocks WM16 OxFFFO0000 0x0060 unlock block 0 WM16 OxFFFO0000 0x00D0 WM16 OxFFF10000 0x0060 unlock block 1 WM16 OxFFF10000 0x00D0 WM16 OxFFFO0000 OxFFFF select read mod or use the Telnet unlock command UNLOCK lt addr gt lt delay gt addr This is the address of the sector block to unlock delay A delay time in milliseconds the BDI waits after sending the unlock com mand to the flash For example clearing all lock bits of an Intel J3 Strata flash takes up to 0 7 seconds If unlock is used without any parameter all sectors in the erase list with the UNLOCK option are processed To clear all lock bits of an Intel J3 Strata flash use for example BDI gt unlock OxFFO00000 1000 To erase or unlock multiple continuous flash sectors blocks of the same size the following Telnet commands can be used ERASE lt addr gt lt step gt lt count gt UNLOCK lt addr gt lt step gt lt count gt addr This is the address of the first sector to era
23. date BDI IP Address Subnet Mask Default Gateway Config Host IP Address Configuration file Transmit Note Press this button to erase the current loaded firmware This button is only active if there is a newer firmware version present in the execution directory of the bdiGDB setup software Press this button to write the new firmware into the BDI3000 flash memory Enter the IP address for the BDI3000 Use the following format XXX XXX XXX XXX 9 151 120 25 101 Ask your network administrator for assigning an IP address to this BDI3000 Every BDI3000 in your network needs a different IP address Enter the subnet mask of the network where the BDI is connected to Use the following format Xxx xxx xxx xxxe g 255 255 255 0 A subnet mask of 255 255 255 255 disables the gateway feature Ask your network administrator for the correct subnet mask Enter the IP address of the default gateway Ask your network administra tor for the correct gateway IP address If the gateway feature is disabled you may enter 255 255 255 255 or any other value Enter the IP address of the host with the configuration file The configura tion file is automatically read by the BDI3000 after every start up Enter the full path and name of the configuration file This name is trans mitted to the TFTP server when reading the configuration file Click on this button to store the configuration in the BDI3000 flash memory Using this setup tool
24. ded once during BDI startup filename the filename including the full path Example FILE C bdi regs mpc8260 def DMMnh base This defines the base address of direct memory mapped registers This base address is added to the individual offset of the register base the base address Example DMM1 0x01000 IMMn addr data This defines the addresses of the memory mapped address and data reg isters of indirect memory mapped registers The address of a IMMnh regis ter is first written to addr and then the register value is access using data as address addr the address of the Address register data the address of the Data register Example DMM1 0x04700000 Remark The registers msr cr iar and acc and are predefined Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 oe bd for BDI3000 PowerPC MPC55xx User Manual 35 Example for a register definition Entry in the configuration file REGS FILE reg5554 def The register definition file j name type addr size sp GPR 1 extended 64 bit GPR s ero GPR 0 64 erl GPR 1 64 er2 GPR 2 64 er3 GPR 3 64 er29 GPR 29 64 er30 GPR 30 64 er31 GPR 31 64 SPR s bucsr SPR 1013 csrro SPR 58 csrri SPR 59 tsr SPR 336 usprg0 SPR 256 xer SPR 1 A Reset Module siu rsr MM OxC3F90008 siu_srcr MM 0xC3F9001C External Bus Interface EBI ebi_mer MM OxC3F84000 ebi_tesr MM OxC3F84008 ebi_bmcr MM OxC3F8400C ebi_bro MM 0xC3F84010 ebi_or0 MM OxC3F84014 ebi_br1 MM OxC3F8401
25. e starting the program file This means the program starts at the nor mal reset address OxFFFO0100 address the address where to start the program file Example START 0x1000 Special IMAGE load format The IMAGE format is a special version of the ELF format used to load a Linux boot image into target memory When this format is selected the BDI loads not only the loadable segment as defined in the Program Header it also loads the rest of the file up to the Section Header Table The relationship between load address and file offset will be maintained throughout this process This way the com pressed Linux image and a optional RAM disk image will also be loaded Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 28 DEBUGPORT port RECONNECT The TCP port GDB uses to access the target If the RECONNECT param eter is present an open TCP IP connection Telnet GDB will be closed if there is a connect request from the same host same IP address port the TCP port number default 2001 Example DEBUGPORT 2001 PROMPT string This entry defines a new Telnet prompt The current prompt can also be changed via the Telnet interface Example PROMPT MPC5554 gt DUMP filename The default file name used for the Telnet DUMP command filename the filename including the full path Example DUMP dump bin TELNET mode By default the BDI sends echoes for the received characters and suppo
26. following modes are BREAKMODE mode STEPMODE mode MEMACCES mode supported HALT STOP RUN Example This default mode forces the target to debug mode im mediately out of reset No code is executed after reset In this mode the BDI lets the target execute code for runtime milliseconds after reset This mode is useful when monitor code should initialize the target system After reset the target executes code until stopped by the Telnet halt command STARTUP STOP 3000 let the CPU run for 3 seconds This parameter defines how breakpoints are implemented The current mode can also be changed via the Telnet interface SOFT HARD Example This is the normal mode Breakpoints are implemented by replacing code with an ILLEGAL instruction In this mode the PPC breakpoint hardware is used Only 4 breakpoints at a time are supported BREAKMODE HARD This parameter defines how single step instruction step is implemented The alternate step mode HWBP is useful when stepping instructions that causes a TLB miss exception it steps over exception processing JTAG HWBP Example This is the default mode Single step is implemented by using the JTAG single step feature In this mode a hardware breakpoint on the next instruc tion is used to implement single stepping STEPMODE HWBP This parameter defines how memory is accesses Either via OnCE by stepping Id and st instruction or via Nexus The current mode can a
27. g IP 2 25572557255255 Config File LDRsnetip 151 120 25 102 LDR gt nethost 151 120 25 112 LDR gt netfile bdi3000 mytarget cfg LDR gt network BDI MAC 00 0c 01 30 00 01 BDI IP 1 51 120 25 102 BDI Subnet 2 255 2557 255 0 BDI Gateway 255 255 255 255 Config IP 2151 5720 25 31 122 Config File bdi3000 mytarget cfg LDR gt network save saving network configuration passed BDI MAC 00 0c 01 30 00 01 BDI IP s L51 12025 2102 BDI Subnet 12554295425570 BDI Gateway 255 255 255 255 Config IP 1 5 202 5 L2 Config File bdi3000 mytarget cfg In case the subnet has changed reboot before trying to load the firmware LDR gt boot loader Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 oe tdi for BDI3000 PowerPC MPC55xx User Manual 17 Connect again via Telnet and program the firmware into the BDI flash telnet 151 120 25 102 LDR gt info BDI Firmware not loaded BDI CPLD ID 01285043 BDI CPLD UES fffffffFf BDI MAC 00 0c 01 30 00 01 BDI IP s 154 1220 25102 BDI Subnet r255 295972258550 BDI Gateway 255 255 255 255 Config IP w P5 1 2 0 425 012 Config File bdi3000 mytarget cfg LDR gt fwload e temp b30p55gd 100 erasing firmware flash passed programming firmware flash passed LDR gt info BDI Firmware 44 1 00 BDI CPLD ID 01285043 BDI CPLD UES fffffffFf BDI MAC 00 0c 01 30 00 01 BDI IP s 5d T2025 102 BDI Subnet 255 255 255 5 0 BDI Gateway 2
28. h memory bank with the width of the flash memory bus in bits 8 16 32 64 Example BUSWIDTH 16 FILE filename The default name of the file that is programmed into flash using the Telnet prog command This name is used to access the file via TFTP If the file name starts with a this is replace with the path of the configuration file name This name may be overridden interactively at the Telnet interface filename the filename including the full path or for relative path Example FILE F gnu ppc bootrom hex FILE bootrom hex FORMAT format offset The format of the file and an optional address offset The optional param eter offset is added to any load address read from the program file You get the best programming performance when using a binary format BIN AOUT ELF or IMAGE format SREC BIN AOUT ELF or IMAGE Example FORMAT BIN 0x10000 WORKSPACE address _ If a workspace is defined the BDI uses a faster programming algorithm that runs out of RAM on the target system Otherwise the algorithm is pro cessed within the BDI The workspace is used for a 1kByte data buffer and to store the algorithm code There must be at least 2kBytes of RAM avail able for this purpose address the address of the RAM area Example WORKSPACE 0x00000000 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 ldi for BDI3000 PowerPC MPC55xx User Manual 30 ERASE addr increment count mode wait The flash memory
29. imilar claims ABATRON Switzerland specifically disclaims all other warranties expressed or implied including but not limited to implied warranties of merchantability and fitness for particular purposes with re spect to defects in the CD cable and BDI3000 and the program license granted herein including without limitation the operation of the program with respect to any particular application use or pur poses In no event shall ABATRON be liable for any loss of profit or any other commercial damage including but not limited to special incidental consequential or other damages Failure in handling which leads to defects are not covered under this warranty The warranty is void under any self made repair operation Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 43 Appendices A Troubleshooting Problem The firmware can not be loaded Possible reasons e The BDI is not correctly connected with the Host see chapter 2 e A wrong communication port is selected Com 1 Com 4 e The BDI is not powered up Problem No working with the target system loading firmware is okay Possible reasons e Wrong pin assignment BDM JTAG connector of the target system see chapter 2 e Target system initialization is not correctly gt enter an appropriate target initialization list e An incorrect IP address was entered BDI3000 configuration e BDM JTAG signals from the
30. ion CONFIG lt file gt lt hostIP gt lt bdiIP gt lt gateway gt lt mask gt MEMACC ONCE NEXUS select memory access mode JTAG switch to JTAG command mode HELP display command list BOOT loader reboot the BDI and reload the configuration QUIT terminate the Telnet session Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 oe bd for BDI3000 PowerPC MPC55xx User Manual 40 4 Specifications Operating Voltage Limiting Power Supply Current RS232 Interface Baud Rates Data Bits Parity Bits Stop Bits Network Interface BDM JTAG clock Supported target voltage Operating Temperature Storage Temperature Relative Humidity noncondensing Size Weight without cables Host Cable length RS232 Electromagnetic Compatibility Restriction of Hazardous Substances 5 VDC 0 25 V typ 500 mA max 1000 mA 9 600 19 200 38 400 57 600 115 200 8 none 10 100 BASE T up to 32 MHz 1 2 5 0 V 5 C 60 C 20 C 65 C lt 90 rF 160 x 85 x 35 mm 280 g 2 5m CE compliant RoHS 2002 95 EC compliant Specifications subject to change without notice Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o td for BDI3000 PowerPC MPC55xx User Manual 41 5 Environmental notice Disposal of the equipment must be carried out at a designated disposal site 6 Declaration of Conformity CE CE DECLARATION OF CONFORMITY This declaration is
31. ldi JTAG debug interface for GNU Debugger DewerPC MDOSSxx User Manual Manual Version 1 01 for BDI3000 abatr on 1997 2010 by Abatron AG o bd for BDI3000 PowerPC MPC55xx User Manual 2 1 TAO CUCTION iss vids sscvecevses caccudevacd steed iacevcaciees paandar anaana scare caxendteastesacssacesessantesssecesaneteacneseseceeereeess 3 HEM BIB OOO cea et cat eect ate encase a ata a a a a a a a a a 3 1 2 BDI Configuration SS occa etc ied cncesttcena eet accctenlsdeoed a tang cacesuecacs es eae gieee oe une oases eee 4 2 WMAStAN ATION e secetcesceecs ceectccedetsaceeecedeed cca secs cowed cavecceavscieccssveccstsedecsededy sheeted ETT 5 2 1 Connecting the BDI3000 to Target sz 25 ccc ses ai ec ieee dni wah wat easels 5 2 2 Connecting the BDI3000 to Power Supply cceeescceeeeeeeeeeeeeeeeeeeeeeeaaeeeessaaaeeesssnaeeeeeeneees 7 29 Stats LED MO B Eats Ze ee ee epee ne ny Sar E a E R ee 8 2 4 Connecting the BDI3000 to HOSt cceeceeceeeeeeeeeeeeeeeaeeeeeesaaeeeeeaaaeeeeeeseeeeeessaaeeeseenaeeeeneaees 9 2 4 1 Serial line COMMUNICATION zie siccecesiretueeies astra Adasen eeeaeieaeed 9 2 4 2 Ethernet communication a2 stun cac sete ccetden Guten Ou tuiet che eae bce aed etes oot 10 2 5 Installation of the Configuration Software 00 0 eeecceeeeteeeeeeeeteeeeeeeeeeeeeeeeeeeeeeetaaeeeenenaaeeeenaaes 11 2 5 1 Configuration with a Linux Unix NOSt 0 eee cee eee eeneee teeter ee eeeeeee eee teense ee eaaeeeenee 12 2
32. leuaceuitvel asantyheuedee 37 3 4 Telnet Interface ioniene le teels iota diacetate odes seiner cere leant aitak ara Re ds baldness 38 4 Specifications e ches soci etecerences eect ate ea eae eee eaten eee ee eee 40 5 Environmental nove ac sesesescssescesssensesessesececssescceccesssecsceceswectcuseccussccocecececsccssscrcnciesersscsduszess 41 6 Declaration of Conformity CE s2c2 2 cccccctecerecesteccntssencttecestscenneceuisecnasteadetensetecenexeaniinerstiueds 41 EON aran haee weicastasetnine ea daeca duvdictcaaeescdMeva euaayuuaasuusssitissunieeunceea thestctlwagensabsigheivaddsaduaersachuatenesus 42 Appendices Pe THOUDICSHOOEING PAA A E E 43 A E e EE T A E a A T 44 OS TACO NARS E A E A T 44 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 3 1 Introduction bdiGDB enhances the GNU debugger GDB with JTAG debugging for PowerPC MPC55xx based targets With the built in Ethernet interface you get a very fast code download speed No target com munication channel e g serial line is wasted for debugging purposes Even better you can use fast Ethernet debugging with target systems without network capability The host to BDI communication uses the standard GDB remote protocol An additional Telnet interface is available for special debug tasks e g force a hardware reset program flash memory The following figure shows how the BDI3000 interface is connected betwee
33. lso be changed via the Telnet interface Note For MPC551x only ONCE is supported ONCE NEXUS Example The OnCE mode requires that the CPU be in debug mode and makes use of the memory management unit MMU and cache The Nexus R W access mode does not require that the CPU be in debug mode and bypasses the MMU and cache The Nexus R W access block is also the faster method of accessing memory MEMACCES NEXUS Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 26 REGLIST list This parameter defines the registers packet that is sent to GDB in re sponse to a register read command By default STD and FPR are read and transferred This default is compatible with older GDB versions The following names are use to select a register group or packet format STD The standard old register block The FPR registers are not read from the target but transferred You can t dis able this register group FPR The floating point registers are read and transferred E200 The register packet is sent as expected by GDB for a PowerPC E500 target Example REGLIST STD only standard registers REGLIST E200 send E500 register set SIO port baudrate When this line is present a TCP IP channel is routed to the BDI s RS232 connector The port parameter defines the TCP port used for this BDI to host communication You may choose any port except 0 and the default Telnet port 23 On the h
34. may be individually erased or unlocked via the Telnet interface In order to make erasing of multiple flash sectors easier you can enter an erase list All entries in the erase list will be processed if you enter ERASE at the Telnet prompt without any parameter This list is also used if you enter UNLOCK at the Telnet without any parameters With the in crement and count option you can erase multiple equal sized sectors with one entry in the erase list address Address of the flash sector block or chip to erase increment If present the address offset to the next flash sector count If present the number of equal sized sectors to erase mode BLOCK CHIP UNLOCK Without this optional parameter the BDI executes a sec tor erase If supported by the chip you can also specify a block or chip erase If UNLOCK is defined this entry is also part of the unlock list This unlock list is processed if the Telnet UNLOCK command is entered without any parameters Note Chip erase does not work for large chips because the BDI time outs after 3 minutes Use block erase wait The wait time in ms is only used for the unlock mode Af ter starting the flash unlock the BDI waits until it pro cesses the next entry Example ERASE Oxff040000 erase sector 4 of flash ERASE Oxff060000 erase sector 6 of flash ERASE Oxff000000 CHIP erase whole chip s ERASE Oxff010000 UNLOCK 100 unlock wait 100ms ERASE Oxff000000 0x10000 7 erase 7 sectors Example for
35. n the host and the target JTAG OnCE Interface Target System JTAG OnCE Interface BDIso000 GNU Debugger GDB 1 1 BDI3000 The BDI3000 is the main part of the bdiGDB system This small box implements the interface be tween the JTAG pins of the target CPU and a 10 100Base T Ethernet connector The firmware of the BDI3000 can be updated by the user with a simple Linux Windows configuration program or interac tively via Telnet TFTP The BDI3000 supports 1 2 5 0 Volts target systems Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 ldi 1 2 BDI Configuration As an initial setup the IP address of the BDI3000 the IP address of the host with the configuration file and the name of the configuration file is stored within the flash of the BDI3000 Every time the BDI3000 is powered on it reads the configuration file via TFTP for BDI3000 PowerPC MPC55xx User Manual 4 Following an example of a typical configuration file bdiGDB configuration file for MPC5554DEMO Board INIT WTLB OxFFFOO58A OxFFFOOO3F Bridge B Oxfff00000 gt Oxfff00000 1MB I G WTLB OxC3FO058A OxC3FO0003F Bridge A 0xc3f00000 gt Oxc3f00000 1MB I G WTLB Ox4000048A O0x4000003F Int SRAM 0x40000000 gt 0x40000000 256KB I G WTLB 0x0000078A 0x0000003F Flash 0x00000000 gt 0x00000000 16MB I G FILL 0x40000000 0x10000 jinit ECC SRAM Speed up system clock
36. ost open a Telnet session using this port Now you should see the UART output in this Telnet session You can use the normal Telnet connection to the BDI in parallel they work completely in dependent Also input to the UART is implemented port The TCP IP port used for the host communication baudrate The BDI supports 2400 115200 baud Example SIO 7 9600 TCP port for virtual IO Daisy chained JTAG devices The BDI can also handle systems with multiple devices connected to the JTAG scan chain In order to put the other devices into BYPASS mode and to count for the additional bypass registers the BDI needs some information about the scan chain layout Enter the number count and total instruction register irlen length of the devices present before the PowerPC chip Predecessor Enter the ap propriate information also for the devices following the PowerPC chip Successor SCANPRED countirlen This value gives the BDI information about JTAG devices present before the PowerPC chip in the JTAG scan chain count The number of preceding devices irlen The sum of the length of all preceding instruction regis ters IR Example SCANPRED 1 8 one device with an IR length of 8 SCANSUCC count irlen This value gives the BDI information about JTAG devices present after the PowerPC chip in the JTAG scan chain count The number of succeeding devices irlen The sum of the length of all succeeding instruction reg isters IR Example SCANS
37. rland V 1 01 oe tdi for BDI3000 PowerPC MPC55xx User Manual 34 3 2 5 Part REGS In order to make it easier to access target registers via the Telnet interface the BDI can read ina register definition file In this file the user defines a name for the register and how the BDI should access it e g as memory mapped memory mapped with offset The name of the register defi nition file and information for different registers type has to be defined in the configuration file The register name type address offset number and size are defined in a separate register definition file An entry in the register definition file has the following syntax name type addr size SWAP name The name of the register max 15 characters type The register type GPR General purpose register SPR Special purpose register MM Absolute direct memory mapped register DMM1 DMM4_ Relative direct memory mapped register IMM1 IMM4 Indirect memory mapped register addr The address offset or number of the register size The size 8 16 32 or 64 of the register default is 32 SWAP If present the bytes of a 16bit or 32bit register are swapped This is useful to access little endian ordered registers e g PCI bridge configuration reg isters The following entries are supported in the REGS part of the configuration file FILE filename The name of the register definition file This name is used to access the file via TFTP The file is loa
38. rts command history and line editing If it should not send echoes and let the Telnet client in line mode add this entry to the configuration file mode ECHO default NOECHO or LINE Example TELNET NOECHO use old line mode Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 29 3 2 4 Part FLASH The Telnet interface supports programming and erasing of flash memories The bdiGDB system has to know which type of flash is used how the chip s are connected to the CPU and which sectors to erase in case the ERASE command is entered without any parameter CHIPTYPE type This parameter defines the type of flash used It is used to select the cor rect programming algorithm format AM29F AM29BX8 AM29BX16 I28BX8 I28BX16 AT49 AT49X8 AT49X16 STRATAX8 STRATAX16 MIRROR MIRRORX8 MIRRORX16 M58X32 AM29DX16 AM29DX32 Example CHIPTYPE AM29F CHIPSIZE size The size of one flash chip in bytes e g AM29F010 0x20000 This value is used to calculate the starting address of the current flash memory bank size the size of one flash chip in bytes Example CHIPSIZE 0x80000 BUSWIDTH width Enter the width of the memory bus that leads to the flash chips Do not en ter the width of the flash chip itself The parameter CHIPTYPE carries the information about the number of data lines connected to one flash chip For example enter 16 if you are using two AM29F010 to build a 16bit flas
39. s also a TFTP server included The following files are on the diskette b30p55gd exe Windows Configuration program b30p55gd xxx Firmware for the BDI3000 tftpsrv exe TFTP server for Windows WIN32 console application cfg Configuration files def Register definition files bdisetup zip ZIP Archive with the Setup Tool sources for Linux UNIX hosts Overview of an installation configuration process e Create a new directory on your hard disk e Copy the entire contents of the enclosed diskette into this directory e Linux only extract the setup tool sources and build the setup tool e Use the setup tool or Telnet default IP to load update the BDI firmware Note A new BDI has no firmware loaded e Use the setup tool or Telnet default IP to load the initial configuration parameters IP address of the BDI IP address of the host with the configuration file Name of the configuration file This file is accessed via TFTP Optional network parameters subnet mask default gateway Activating BOOTP The BDI can get the network configuration and the name of the configuration file also via BOOTP For this simple enter 0 0 0 0 as the BDI s IP address see following chapters If present the subnet mask and the default gateway router is taken from the BOOTP vendor specific field as defined in RFC 1533 With the Linux setup tool simply use the default parameters for the c option root LINUX_1 bdisetup bdisetup c p dev
40. s output of the BDI3000 resets the JTAG TAP controller on the target GND System Ground TCK JTAG Test Clock This output of the BDI3000 connects to the target TCK line JTAG Test Mode Select This output of the BD3000 connects to the target TMS line Target Reset This open collector output of the BDI3000 is used to reset the target system JTAG Test Data In This output of the BDI3000 connects to the target TDI line Vcc Target 1 28 5 0V This is the target reference voltage It indicates that the target has power and it is also used to create the logic level reference for the input comparators It also controls the output logic levels to the target It is normally fed from Vdd I O on the target board JTAG Test Data Out This input to the BDI3000 connects to the target TDO line All the pins need to be connected to the target system for the debug operation Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 7 2 2 Connecting the BDI3000 to Power Supply The BDI3000 needs to be supplied with the enclosed power supply from Abatron 5VDC A Before use check if the mains voltage is in accordance with the input voltage printed on power supply Make sure that while operating the power supply is not covered up and not situated near a heater or in direct sun light Dry location use only A For error free operation the power s
41. se or unlock step This value is added to the last used address in order to get to the next sec tor In other words this is the size of one sector in bytes count The number of sectors to erase or unlock The following example unlocks all 256 sectors of an Intel Strata flash 28F256K3 that is mapped to 0x00000000 In case there are two flash chips to get a 32bit system double the step parameter BDI gt unlock 0x00000000 0x20000 256 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 oe bai for BDI3000 PowerPC MPC55xx User Manual 33 MPC55xx internal flash H7F For the MPC55xx internal flash the ERASE entry has a different meaning ERASE select space The flash memory can be erased via the Telnet interface In order to make erasing of multiple flash blocks easier you can enter an erase list All en tries in the erase list will be processed if you enter ERASE at the Telnet prompt without any parameter select Selects the array blocks bit mapped in the address space for erasing space LOW MID HIGH or SHADOW This selects the address space for the selected blocks ERASE 0x0000003F LOW erase 6 blocks in Low Space ERASE 0x00000003 MID jerase 2 blocks in Mid Space ERASE Ox00000FFF HIGH erase 12 blocks in High Space Before you can erase program the H7F make sure the system frequency is greater than 25 MHz and the lock bits are set approriate For best performance use MEMACCES NEXUS
42. special debug needs How to enter 64bit values The syntax for 64 bit parameters is lt high word gt _ lt low word gt The high word and low word can be entered as decimal or hexadecimal They are handled as two separate values concatenated with an underscore Examples 0x01234567 0x89abcdef o 0x0123456789abcdef 110 gt gt 0x0000000100000000 256 gt gt 0x0000000000000100 3_0x1234 gt gt 0x0000000300001234 0x80000000 0 gt gt 0x8000000000000000 Example of a Telnet session BDI gt info Target CPU MPC8548 Rev 1 Target state halted Debug entry cause COP halt Current PC Ox0ffeddic Current CR 0x20004082 Current MSR 0x00021200 Current LR Ox0ffedd4c Current CCSRBAR 0x0 _e0000000 BDI gt md Oxfffff000 0_fffff000 7c1f42a6 3c208020 60210010 7c000800 B lt Mae beins O_fffff010 40820020 38002000 7c11f3a6 3c401000 8 phirisa Notes The DUMP command uses TFTP to write a binary image to a host file Writing via TFTP on a Linux Unix system is only possible if the file already exists and has public write access Use man tftpd to get more information about the TFTP server on your host Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 ldi for BDI3000 PowerPC MPC55xx User Manual 39 The Telnet commands MD lt address gt lt count gt display target memory as word 32bit MDD lt address gt lt count gt display target memory as do
43. t are granted This is the normal working mode The bdiGDB system needs only read access to the configuration and program files The parameter p enables protocol output to the console window Try it The parameter w enables write accesses to the host file system The parameter d allows to define a root directory tftpsrv p Starts the TFTP server and enables protocol output tfitpsrv p w Starts the TFTP server enables protocol output and write accesses are allowed tftpsrv dC tftp Starts the TFTP server and allows only access to files in C tftp and its subdirectories As file name use relative names For example bdi mpc750 cfg accesses C tftp bdi mpc750 cfg You may enter the TFTP server into the Startup group so the server is started every time you login Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 19 3 Using bdiGDB 3 1 Principle of operation The firmware within the BDI handles the GDB request and accesses the target memory or registers via the JTAG interface There is no need for any debug software on the target system After loading the code via TFTP debugging can begin at the very first assembler statement Whenever the BDI system is powered up the following sequence starts initial configuration valid no activate BDI3000 loader Get configuration file via TFTP Power OFF Process target init list Load program
44. target system are not correctly short circuit break e The target system is damaged Problem Network processes do not function loading the firmware was successful Possible reasons e The BDI3000 is not connected or not correctly connected to the network LAN cable or media converter e An incorrect IP address was entered BDI3000 configuration Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 44 B Maintenance The BDI needs no special maintenance Clean the housing with a mild detergent only Solvents such as gasoline may damage it C Trademarks All trademarks are property of their respective holders Copyright 1997 2010 by ABATRON AG Switzerland V 1 01
45. the ADS8260 flash memory FLASH CHIPTYPE CHIPSIZE BUSWIDTH WORKS PACE FILE ERASE ERASE ERASE ERASE I28BxX8 0x200000 32 0x04700000 Flash type The size of one flash chip in bytes e g AM29F010 0x20000 The width of the flash memory bus in bits 8 16 32 64 workspace in dual port RAM E gnu demo ads8260 bootrom hex The file to program OxFF900000 OxFF940000 OxFF980000 OxFF9c0000 erase sector 4 of flash SIMM LH28F016SCT erase sector 5 of flash SIMM erase sector 6 of flash SIMM 7 erase sector of flash SIMM the above erase list maybe replaces with ERASE OxFF900000 0x40000 4 erase sector 4 to 7 of flash SIMM Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 oe tdi for BDI3000 PowerPC MPC55xx User Manual 31 Supported Flash Memories There are currently 3 standard flash algorithm supported The AMD Intel and Atmel AT49 algorithm Almost all currently available flash memories can be programmed with one of this algorithm The flash type selects the appropriate algorithm and gives additional information about the used flash For 8bit only flash AM29F MIRROR 128BX8 AT49 For 8 16 bit flash in 8bit mode AM29BX8 MIRRORX8 I28BX8 STRATAX8 AT49X8 For 8 16 bit flash in 16bit mode AM29BX16 MIRRORX16 I28BX16 STRATAX16 AT49X16 For 16bit only flash AM29BX16 I28BX16 AT49X16 For 16 32 bit flash in 16bit mode AM29DX16 For 16 32 bit flash in 32bit mode AM29DX3
46. uble word 64bit MDH lt address gt lt count gt display target memory as half word 16bit MDB lt address gt lt count gt display target memory as byte 8bit DUMP lt addr gt lt size gt lt file gt dump target memory to a file MM lt addr gt lt value gt lt cnt gt modify word s 32bit in target memory MMD lt addr gt lt value gt lt cnt gt modify double word s 64bit in target memory MMH lt addr gt lt value gt lt cnt gt modify half word s 16bit in target memory MMB lt addr gt lt value gt lt cnt gt modify byte s 8bit in target memory MC lt address gt lt count gt calculates a checksum over a memory range MV verifies the last calculated checksum FILL lt address gt lt count gt fill a memory range with 64 bit writes RD lt name gt display general purpose or user defined register RDUMP lt file gt dump all user defined register to a file RDSPR lt number gt display special purpose register RM lt nbr gt lt name gt lt value gt modify general purpose or user defined register RMSPR lt number gt lt value gt modify special purpose register DCACHE lt addr set gt display L1 cache content TLB lt from gt lt to gt display TLB entry WTLB lt idx gt lt epn gt lt rpn gt write TLB entry RESET HALT RUN time reset the target system change startup mode BREAK SOFT HARD display or set current breakpoint
47. ue to write to the target memory Example WM32 0x02200000 0x01632440 SIUMCR FILL start size Fill a memory range using 64 bit writes Maybe used to initialize an ECC protected memory range The start address has to be on a 128 byte boundary and the size has to be a multiple of 128 0x80 start the start address of the memory range to fill size the size in bytes of the memory range to fill Example FILL 0x40000000 0x10000 fill ECC SRAM Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o tdi for BDI3000 PowerPC MPC55xx User Manual 22 RMB8 address value RM16 address value RM32 address value MMAP start end EXEC opcode workpc WTLB epn rpn Read a byte 8bit from the selected memory place address the memory address Example RM8 0x00000000 Read a half word 16bit from the selected memory place address the memory address Example RM16 0x00000000 Read a word 32bit from the selected memory place address the memory address Example RM32 0x00000000 Because a memory access to an invalid memory space via JTAG can lead to a deadlock this entry can be used to define up to 32 valid memory rang es If at least one memory range is defined the BDI checks against this range s and avoids accessing of not mapped memory ranges start the start address of a valid memory range end the end address of this memory range Example MMAP OxFFE00000 OxFFFFFFFF Boot ROM This entry cause the processor to execute one
48. upply to the BDI3000 must be between 4 75V and 5 25V DC The maximal tolerable supply voltage is 5 25 VDC Any higher voltage or a wrong polarity might destroy the electronics i casing connected to ground terminal The green LED BDI marked light up when 5V power is connected to the BDI3000 Please switch on the system in the following sequence e 1 gt external power supply e 2 gt target system Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 8 2 3 Status LED MODE The built in LED indicates the following BDI states MODE LED BDI STATES The BDI is ready for use the firmware is already loaded The output voltage from the power supply is too low The BDI loader mode is active an invalid firmware is loaded or loading firmware is active Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 9 2 4 Connecting the BDI3000 to Host 2 4 1 Serial line communication Serial line communication is only used for the initial configuration of the bdiGDB system The host is connected to the BDI through the serial interface COM1 COM4 The communication cable included between BDI and Host is a serial cable There is the same connector pinout for the BDI and for the Host side Refer to Figure below Target Syst RS232 Connector arget System for
49. ve values The other values except the valid bit are implicit set to zero See also e200z6 user s manual part Memory Management The following example adds some TLB entries INIT Setup TLB WTLB OxFFFOO58A OxFFFO0O03F Bridge B Oxfff00000 gt Oxfff00000 1MB I G WTLB OxC3F0058A OxC3FO0003F Bridge A 0xc3f00000 gt 0xc3f 00000 1MB 1I G WTLB Ox4000048A O0x4000003F Int SRAM 0x40000000 gt 0x40000000 256KB I G WTLB 0x20000580 0x2000003F Ext SRAM 0x20000000 gt 0x20000000 IMB WTLB 0x0000078A 0x0000003F Flash 0x00000000 gt 0x00000000 16MB I G Alternatively the EXEC entry maybe used to add TLB entries WSPR 624 0x10050000 MASO WSPR 625 oxc0000600 MAS1 WSPR 626 0x3FF00000 MAS2 WSPR 627 Ox3FFOO003F MAS3 EXEC 0x7C0007A4 0x40001000 tlbwe save work PC Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o tdi for BDI3000 PowerPC MPC55xx User Manual 24 3 2 2 Part TARGET The part TARGET defines some target specific values CPUTYPE type JTAGCLOCK value POWERUP delay RESET type time WAKEUP time This value gives the BDI information about the connected CPU type 5553 5554 5561 5565 5566 5567 5533 5534 5510 5514 5515 5516 5517 Example CPUTYPE 5554 With this value you can select the JTAG clock rate the BDI3000 uses when communication with the target CPU value 0 32 MHz 7 500 kHz 1 16 MHz 8 200 kHz 2 11 MHz 9 100 kHz 3
50. via the Network channel is only possible if the BDI3000 is already in Loader mode Mode LED blinking To force Loader mode enter boot loader at the Telnet The setup tool tries first to establish a connection to the Loader via the IP address present in the BDI IP Address entry field If there is no connection established after a time out it tries to connect to the default IP 192 168 53 72 Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 16 2 5 3 Configuration via Telnet TFTP The firmware update and the initial configuration of the BDI3000 can also be done interactively via a Telnet connection and a running TFTP server on the host with the firmware file In cases where it is not possible to connect to the default IP the initial setup has to be done via a serial connection A To avoid data line conflicts the BDI3000 must be disconnected from the target system while programming the firmware for an other target CPU family Following the steps to bring up a new BDI3000 or updating the firmware Connect to the BDI Loader via Telnet If a firmware is already running enter boot loader and reconnect via Telnet telnet 192 168 53 72 or telnet lt your BDI IP address gt Update the network parameters so it matches your needs LDR gt network BDI MAC 00 0c 01 30 00 01 BDI IP x 192 168 5372 BDI Subnet 2 255 255 255 0 BDI Gateway 255 255 255 255 Confi
51. y root LINUX_1 bdisetup make cc 02 c o bdisetup o bdisetup c cc 02 c o bdicnf o bdicnf c cc 02 c o bdidll o bdidll c cc s bdisetup o bdicnf o bdidll o o bdisetup 2 Check the serial connection to the BDI With bdisetup v you may check the serial connection to the BDI The BDI will respond with infor mation about the current loaded firmware and network configuration Note Login as root otherwise you probably have no access to the serial port bdisetup v p dev ttyS0O b115 BDI Type BDI3000 SN 30000154 Loader V1 00 Firmware unknown MAC ff ff ff ff ff ff IP Addr 2255 255 255 255 Subnet 255 5255 255 255 Gateway i 255125552557255 Host IP HJ 295725572554295 Config gt VVVVVVV 3 Load Update the BDI firmware With bdisetup u the firmware is programmed into the BDI3000 flash memory This configures the BDI for the target you are using Based on the parameters a and t the tool selects the correct firm ware file If the firmware file is in the same directory as the setup tool there is no need to enter a d parameter bdisetup u p dev ttyS0O b115 aGDB tMPC5500 Connecting to BDI loader Programming firmware with b30p55gd 100 Erasing firmware flash Erasing firmware flash passed Programming firmware flash Programming firmware flash passed Copyright 1997 2010 by ABATRON AG Switzerland V 1 01 o bd for BDI3000 PowerPC MPC55xx User Manual 13
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