bdiGDB User Manual
Contents
1. MOM 18 e Uie Melo Lele E 19 3 1 Principle Of Oper tori 0s acc ta ete iad teed gece tenes eee Eea aaa E aa EEEn 19 3 2 eoram E E EE 21 SPAM r E a E sia eaaaspe Guenter cenaanseree 21 322 Part M cium 23 3 2 9 Pam IET epo e otii d uus Een errr re bab RS ctu h ce eee nulia tuc Ue eee 25 3 2 4 Parn ELASH e 26 32 5 Part REGS RE OE Qo oo 0 DoD 0 ERS 31 3 3 Debugging with GDB occ T 33 3 3 1 Tage E og o HET 33 3 3 2 Connecting to 3 pbp M E 33 3 3 3 Breakpoint Handling oases ia pur Iota debt rai reo E Sod Ir priam Seem esee rie ia E D Rute e Ris G0 34 3 3 4 GDB monitor CO re c 34 3 3 5 Target serial WO via BDI M E 35 SE EME I dirigi NE T o oom 36 A Specilicallolls uice iidem iiid ac nid DIE MM MM MP 38 5 Environmerital nol GG siucrax CR inLE eaux LE bak CarEE lassa Ur Ue acad Cas anaana ua DERE QARER M Pd NN UD SEES 39 6 Declaration of Conformity OE ueiicuc cia eiecti ui innui casas cu sire ass aac basi cac aba esas ck e PSas MIR RUE RENS 39 7 Abatron Warranty and Support Terms eeeeseeeeeeeseseeeen enne nnnn nennen nnne nnn nnne nennt 40 rn I m 40 Eorum T 40 7 3 Warranty and DISOLSIITIGE ertet ere aerea eus pauta eu p2. rent mode can also be changed via the Telnet interface By default the BDI sets the CSR UHE bit so a halt instruction in user mode will be handled by the BDI If the option NOUHE is present the BDI will not set this bit and a halt in user mode will cause an invalid instruction exception that can be handled by an application debugger resident in the target system SOFT This is the normal mode Breakpoints are implemented by replacing code with a TRAP instruction HARD In this mode the breakpoint hardware is used Only 1 4 breakpoints at a time are supported Example BREAKMODE HARD enable use of break hardware When this line is present the BDI catches all unhandled exceptions Catching exceptions is only possible if the vector table is writable Example VECTOR CATCH catch unhandled exception 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 host 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 This entry in
3. 16 32 FILE D abatron bdi360 ColdFire pro sbc5307 sss ERASE OxFFEO00000 erase sector 0 of flash ERASE OxFFE20000 erase sector 1 of flash ERASE OxFFE40000 erase sector 1 of flash ERASE OxFFE60000 erase sector 1 of flash the above erase list maybe replaces with ERASE OxFFEO00000 0x20000 4 erase 4 sectors Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 e AH for GNU Debugger BDI3000 ColdFire User Manual 28 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 128BX16 STRATAX16 AT49X16 For 16bit only flash AM29BX106 I28BX16 AT49X16 For 16 32 bit flash in 16bit mode AM29DX16 For 16 32 bit flash in 32bit mode AM29DX32 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
4. 5 WAREG register value Write value to the selected address register register the register number O 7 value the value to write into the register Example WAREG 0 5 WCREG register value Write value to the selected control register register the register number e g 0x801 for VBR value the value to write into the register Example WCREG OxCOF 0x10000001 MBAR WM68 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 0x10000100 0x8230 DCR Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 e A for GNU Debugger BDI3000 ColdFire User Manual 22 WM32 address value Write a word 32bit to the selected memory place address the memory address value the value to write to the target memory Example WM32 0x1000010C 0x003C0001 DCMRO MMAP start end Because a memory access to an invalid memory space via BDM 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 OxFFEO0
5. address in the form XXX XXX XXX XXX 2001 This is the TCP port used to communicate with the BDI If not already suspended this stops the execution of application code and the target CPU changes to background debug mode Remember every time the application is suspended the target CPU 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 gdb detach Wait until BDI has resetet the target and reloaded the image gdb target remote bdi3000 2001 Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire User Manual 34 3 3 3 Breakpoint Handling GDB versions before V5 0 GDB inserts breakpoints by replacing code via simple memory read write commands There is no command like Set Breakpoint defined in the GDB remote protocol When breakpoint mode HARD is selected the BDI checks the memory write commands for such hidden Set Breakpoint actions If such a write is detected the write is not performed and the BDI sets an appropriate hardware break point The BDI assumes that this is a Set Breakpoint action when memory write length is 2 bytes and the pattern to write is a trap instruction OXAE4 GDB version V5 x GDB version 5 x uses the Z packet to set breakpoints watchpoints For software breakpoints the BDI replaces code with a HALT instruction When breakpoint mod
6. 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 the MCF5307 evaluation board flash memory FLASH WORKSPACE 0x00800000 workspace in target RAM for fast programming algorithm CHIPTYPE AM29F Flash type AM29F AM29BX8 AM29BX16 I28BX8 I28BX16 CHIPSIZE 0x80000 The size of one flash chip in bytes e g AM29F010 0x20000 BUSWIDTH 16 The width of the flash memory bus in bits 8
7. 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 2011 by ABATRON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire User Manual 4 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 Following an example of a typical configuration file Configuration file for a MCF5307 board the initialistion list used to setup the target system INIT WCREG 0xCOF 0x10000001 MBAR map internal registers to 0x10000000 WCREG 0xC04 0x00800021 RAMBAR map internal SRAM to 0x00800000 WM16 0x10000080 OxFFEO CSARO Flash at OXFFE00000 WM16 0x1000008A OxOD80 CSCRO Flash 3 waits 16bit WM32 0x10000084 0x000F0001 CSMRO Flash 1MB R W valid WM16 0x10000100 0x8230 DCR SDRAM Trc 6 RC 48 WM32 0x10000108 0x00001300 DACRO base 0x00000000 timing 2 4 2 1 1 CBM 011 WM32 0x1000010C 0x003C0001 DCMRO mask 4MB enable WM32 0x10000108 0x00001308 DACRO Initiate Precharge All Command WM32 0x00000400 0x00000000 Execute PALL command WM32 0x10000108 0x00009300 DA
8. 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 0x020000 Am29F800B AM29BX8 AM29BX16 0x100000 Am29F010 Am29DL323C AM29BX8 AM29BX16 0x400000 Am29PDL128G AM29DX16 AM29DX32 0x01000000 Intel 28F032B3 128BX8 7 0x400000 Intel 28F640J3A STRATAX8 STRATAX16 0x800000 Intel 28F320C3 I28BX16 0x400000 AT49BV040 AT49 0x080000 AT49BV1614 AT49X8 AT49X16 0x200000 M58BW016BT M58X32 0x200000 SST39VF160 AT49X16 0x200000 Am29LV320M MIRRORX8 MIRRORX16 0x400000 Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 o bhi for GNU Debugger BDI3000 ColdFire User Manual 29 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 WMI6 OxFFF00000 0x0060 unlock block 0 WMI6 OxFFF00000 0x00DO WMI6 OxFFF10000
9. 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 BDIIP 192 168 53 72 BDI Subnet 255 255 255 0 BDI Gateway 255 255 255 255 Config IP 255 255 255 255 Config File LDR gt netip 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 BDIIP 151 120 25 102 BDI Subnet 255 255 255 0 BDI Gateway 255 255 255 255 Config IP 151 120 25 112 Config File bdi3000 mytarget cfg LDR gt network save saving network configuration passed BDI MAC 00 0c 01 30 00 01 BDIIP 151 120 25 102 BDI Subnet 255 255 255 0 BDI Gateway 255 255 255 255 Config IP 151 120 25 112 Config File bdi3000 mytarget cfg In case the subnet has changed reboot before trying to load the firmware LDR gt boot loader Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 e A for GNU Debugger BDI3000 ColdFire Connect again via Telnet and
10. unhandled exceptions This is only possible if the vector table is writ able At vector 0 the BDI writes a HALT RTE instruction sequence and lets all other vectors point to this short exception handler The BDI reads back the VBR after processing the initilaisation list in or der to get the base address of the vector table INIT WCREG 0x801 0x00000000 set vector base TARGET VECTORCATCH enable vector catching Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 e A for GNU Debugger BDI3000 ColdFire User Manual 21 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 parameter parameter2 parameterN comment identifier parameter parameter2 parameterN part name identifier parameterl parameter2 parameterN identifier parameter parameter2 parameterN etc Numeric parameters can be entered as decimal e g 700 or as hexadecimal 0x80000 3 2 1 Part INIT The part INIT 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 Commands in this section are processed in order from top to bottom WDREG register value Write value to the selected data register register the register number 0 7 value the value to write into the register Example WDREG 0
11. voltage from the power supply is too low BLINK The BDI loader mode is active an invalid firmware is loaded or loading firmware is active Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 LH for GNU Debugger BDI3000 ColdFire 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 System 5 GROUND BDIs000 RS232 Connector for PC host 2 RXD data from host 3 TXD data to host RS232 Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 L4 A for GNU Debugger BDI3000 ColdFire 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 Target System 10 100 BASE T NEC ColdFire Connector 1 TD 2 TD 3 RD LED1 LED2 6 RD BDlsooo PC Unix Host Ethernet 10 100 BASE T CJ The followi
12. 0000 OxFFFFFFFF Boot ROM 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 WTLB tag data Only V4e cores Adds an entry to the TLB array s For a detailed descrip tion of the tag data value look at the V4e MMU description The first WTLB entry in the init list also clears the hole TLB array tag virtual page number ASID shared and valid bit data real page number size cache mode and SRWXL bits Example WTLB 0x00000001 0x1001025C SRAM 8k CB RWX MMU setup example NOP Set Memory Map WCREG 0x0COF 0x10000001 MBAR map internal REGS to 0x10000000 WCREG 0x0008 0x11000001 MMUBAR map MMU registers to 0x11000000 WCREG 0x0C04 0x20000035 RAMBARO map internal SRAM to 0x20000000 WCREG 0x0C05 0x20001035 RAMBARI map internal SRAM to 0x20001000 NOP MMU Map internal registers WTLB 0x10000001 0x10000298 0x10000000 gt 0x10000000 8k NP RW WTLB 0x10002001 0x10020298 0x10002000 gt 0x10002000 8k NP RW WTLB 0x10004001 0x10040298 0x10004000 gt 0x10004000 8k NP RW WTLB 0x10006001 0x10060298 0x10006000 gt 0x10006000 8k NP RW WTLB 0x10008001 0x10080298 0x10008000 gt 0x10008000 8k NP RW WTLB 0x1000A001 0x100A0298 0x1000A000 gt 0x1000A000 8k NP RW WTLB 0x1000C001 0x100C0298 0x1000C000 gt 0x1000C000 8k NP RW WTLB
13. 0x0060 unlock block 1 WMI6 OxFFF10000 0x00DO WMI6 OxFFF00000 OxFFFF select read mode 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 OxFF000000 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 erase 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 unlock 0x00000000 0x20000 256 Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 A for GNU Debugger BDI3000 ColdFire User Manual 30 MCF
14. 0x1000E001 0x100E0298 0x1000E000 gt 0x1000E000 8k NP RW NOP MMU Map 32k System RAM to 0x00000000 WTLB 0x00000001 0x1001025C 0x00000000 gt 0x10010000 8k CB RWX WTLB 0x00002001 0x1001225C 0x00002000 gt 0x10012000 8k CB RWX WTLB 0x00004001 0x1001425C 0x00004000 gt 0x10014000 8k CB RWX WTLB 0x00006001 0x1001625C 0x00008000 gt 0x10016000 8k CB RWX WM32 0x11000000 0x00000001 MMUCR enable MMU Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 LH for GNU Debugger BDI3000 ColdFire User Manual 23 3 2 2 Part TARGET The part TARGET defines some target specific values CPUTYPE type This value gives the BDI information about the connected CPU type MCF5202 MCF5203 MCF5207 MCF5208 MCF5214 MCF5216 MCF5249 SCF5250 MCF5251 MCF5253 MCF5230 MCF5232 MCF5233 MCF5234 MCF5235 MCF5270 MCF5271 MCF5274 MCF5275 MCF5280 MCF5281 MCF5282 MCF5210 MCF5211 MCF5212 MCF5213 MCF5221 MCF5222 MCF5223 MCF5225 MCF5227 MCF5307 MCF5301 MCF5327 MCF5328 MCF5329 MCF5372 MCF5373 MCF5407 MCF5470 MCF5480 MCF5444 MCF5445 Example CPUTYPE MCF5282 BDIMODE mode param This parameter selects the BDI debugging mode The following modes are supported LOADONLY Loads and starts the application core No debugging via BDM AGENT The debug agent runs within the BDI There is no need for any debug software on the target This mode accepts a second parameter If RUN is entered as a second pa ra
15. 4 AH for GNU Debugger BDI3000 ColdFire User Manual 26 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 CHIPSIZE size BUSWIDTH width FILE filename FORMAT format offset WORKSPACE address 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 S29M64X8 S29M32X16 AM29DX16 AM29DX32 Example CHIPTYPE AM29F 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 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 AM29F 010 to build a 16bit flash memory bank with the width of the flash memory bus in bits 8 16 32 Example BUSWIDTH 16 The default name of the file that is programmed into flash using the Telnet prog command This name i
16. 52xxx internal flash CFM To erase and program the ColdFire Flash Module CFM you have to access it via the backdoor ad dresses IPSBAR 0x04000000 This backdoor address has to be used for erase and program commands Following an example how to setup for CFM programming when IPSBAR is at the default address off 0x40000000 FLASH WORKSPACE 0xx20000000 workspace in target SRAM for fast programming algorithm CHIPTYPE CFM MCFS52xxx internal flash BUSWIDTH 32 The width of the flash memory bus in bits 8 16 32 FILE E cygwin home bdidemo coldfire evb5282_cmf bin FORMAT BIN 0x44000000 ERASE 0x44000000 MASS ERASE 0x44040000 MASS Before you can erase program the CFM the CFM Clock Divider needs to be setup via an init list en try Check the MCF52xxx user s manual about how to setup the CFMCLKD WMS 0x401D0002 0x54 CFMCLKED Flash clock divider for G4MHz Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire User Manual 31 3 2 5 Part REGS In order to make it easier to access target registers via the Telnet interface the BDI can read in a 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 offse
17. 55 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 2011 by ABATRON AG Switzerland V 1 02 o bd for GNU Debugger BDI3000 ColdFire 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 im BDI3000 Update Setup x r Connect BDI3000 Loader Channel SN 30000154 Port COM1 x MAC 000001300001 Speed 115200 Version 1 00 Connect BDI3000 Firmware Loaded Version 1 00 Newest Version 1 00 Current Erase r Configuration BDI IP Address fi 51 120 25 102 Subnet Mask 255 255 255 0 Default Gateway 255 255 255 255 Config Host IP Address fi 51 120 25 112 Configuration file bdi2000 mytarget fo ee X em 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 Mo
18. 997 2011 by ABATRON AG Switzerland V 1 02 e LH for GNU Debugger BDI3000 ColdFire User Manual 6 TARGET B Connector Signals DSO DATA SERIAL OUT For background debug mode serial data output from the MCU reserved DSI DATA SERIAL IN For background debug mode serial data input signal to the MCU reserved reserved Vccio Target 1 2 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 Vcc I O on the target board DEVELOPMENT SERIAL CLOCK For background debug mode serial shift clock to the MCU BREAKPOINT BKPT is an active low signal that signals a hardware breakpoint for the ColdFire core It is used to force the ColdFire core to enter debug mode TRANSFER ERROR ACKNOWLEDGE currently not implemented optional Active low open drain signal used to abort a bus cycle This signal may be helpful for ColdFire devices which has no built in bus monitor e g MCF5307 The BDI is able to terminate an invalid memory access Otherwise BDM communication may hang until a reset is applied reserved reserved GROUND System Ground RESET Active low open drain signal used to force a system reset PROCESSOR STATUS CLOCK not used This signal is not used by the BDI3000 See note below GROUND System G
19. CRO enable refresh WM32 0x10000110 0x00401300 DACRI base 0x00400000 timing 2 4 2 1 1 CBM 011 WM32 0x10000114 0x007C0001 DCMR1 mask 8MB enable WM32 0x10000110 0x00401308 DACRI Initiate Precharge All Command WM32 0x00400400 0x00000000 Execute PALL command WM32 0x10000110 0x00409300 DACRI enable refresh DELAY 20 Delay for Refresh WM32 0x10000108 0x00009340 DACRO Initiate Mode Register Set Command WM32 0x00000400 0x00000000 Execute MRS command WM32 0x10000110 0x00009340 DACRI Initiate Mode Register Set Command WM32 0x00400400 0x00000000 Execute MRS command TARGET CPUTYPE MCF5307 CPUCLOCK 90000000 the CPU clock rate after processing the init list BREAKMODE SOFT SOFT or HARD VECTOR CATCH catch unhandled exceptions HOST IP 151 120 25 115 FILE E cygnus root usr demo mcf5307 fibo exe FORMAT COFF LOAD MANUAL load code MANUAL or AUTO after reset FLASH WORKSPACE 0x00800000 workspace in target RAM for fast programming algorithm CHIPTYPE AM29F _ Flash type AM29F AM29BX8 AM29BX16 I28BX8 I28BX16 CHIPSIZE 0x80000 The size of one flash chip in bytes e g AM29F010 0x20000 BUSWIDTH 16 The width of the flash memory bus in bits 8 16 32 FILE D abatron bdi360 ColdFire pro sbc5307 sss ERASE OxFFEO00000 erase sector O of flash ERASE OxFFE20000 erase sector 1 of flash REGS DMMI 0x10000000 FILE E cygnus root usr demo mcf5307 reg5307 def Based on the information in the configur
20. EAK SOFT HARD display or set current breakpoint mode GO lt pce gt set PC and start target system TI pc single step an instruction 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 RIW lt addr gt set data watchpoint 32bit access BDH RIW lt addr gt set data watchpoint 16bit access BDB RIW lt addr gt set data watchpoint 8bit access CD lt id gt clear data breakpoint s INFO display information about the current state LOAD offset lt file gt lt format gt load program file to target memory VERIFY lt offset gt lt file gt format verify a program file to target memory PROG lt offset gt lt file gt lt format gt program flash memory E format SREC or BIN or AOUT or ELF ERASE lt address gt lt mode gt erase a flash memory sector chip or block x mode CHIP BLOCK or SECTOR default is sector ERASE lt addr gt step count erase multiple flash sectors UNLOCK addr lt delay gt unlock a flash sector UNLOCK lt addr gt step count unlock multiple flash sectors DELAY ms delay for a number of milliseconds HOST ip change IP address of program file host PROMPT string defines a new prompt string CONFIG display or update BDI configuration CONFIG file lt hostI
21. ECTION WITH THE USE OR PERFORMANCE OF THE HARDWARE AND OR SOFTWARE INCLUDING WITHOUT LIMITATION LOSS OF PROFITS BUSINESS DATA GOODWILL OR ANTICIPATED SAVINGS EVEN IF ADVISED OF THE POSSIBILITY OF THOSE DAMAGES The hardware and software product with all its parts copyrights and any other rights remain in pos session of ABATRON Any dispute which may arise in connection with the present agreement shall be submitted to Swiss Law in the Court of Zug Switzerland to which both parties hereby assign com petence Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 bhi for GNU Debugger BDI3000 ColdFire User Manual 41 Appendices A Troubleshooting Problem The firmware can not be loaded Possible reasons The BDI is not correctly connected with the Host see chapter 2 A wrong communication port is selected Com 1 Com 4 The BDI is not powered up Problem No working with the target system loading firmware is okay Possible reasons Wrong pin assignment BDM JTAG connector of the target system see chapter 2 Target system initialization is not correctly enter an appropriate target initialization list An incorrect IP address was entered BDI3000 configuration e BDM JTAG signals from the target system are not correctly short circuit break The target system is damaged Problem Network processes do not function loading the firmware was successful Possible reasons The BDI3000 is
22. If the code 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 image file format BIN SREC AOUT ELF COFF or ROM Example FORMAT COFF FORMAT COFF 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 code file If this value is not defined and the core is already in ROM the PC will not be set before starting the program file This means the program starts at the normal re set address 0x0100 address the address where to start the program file Example START 0x1000 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 5307 gt DUMP filename The default file name used for the Telnet DUMP command filename the filename including the full path Example DUMP dump bin Copyright 1997 2011 by ABATRON AG Switzerland V 1 02
23. ON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire 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 BDM 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 Reset System and Power OFF Process target init list Process GDB requests Process Telnet commands Power OFF Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 e AH for GNU Debugger BDI3000 ColdFire User Manual 20 Breakpoints There are two breakpoint modes supported One of them SOFT is implemented by replacing appli cation code with a HALT instruction The other HARD uses the built in breakpoint logic If HARD is used only up to 1 4 for V4 cores breakpoints can be active at the same time The following example selects SOFT as the breakpoint mode BREAKMODE SOFT lt AGENT gt SOFT or HARD HARD uses hardware breakpoints All the time the application is suspended i e caused by a breakpoint the target processor remains freezed Target Exceptions If enabled the BDI will catch all
24. P gt bdiIP lt gateway gt lt mask gt HELP display command list BOOT loader reboot the BDI and reload the configuration QUIT terminate the Telnet session Note 37 The Telnet command RESET does only reset the target system The configuration file is not loaded again If the configuration file has changed use the Telnet command BOOT to reload it Note 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 2011 by ABATRON AG Switzerland V 1 02 ldi User Manual 38 for GNU Debugger BDI3000 ColdFire 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 1 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 subjec
25. ation file the target is automatically initialized after every re set Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire User Manual 5 2 Installation 2 1 Connecting the BDI3000 to Target The enclosed cable to the target system is designed for the Motorola recommended 26 pin Berg con nector In case where the target system has an appropriate connector the cable can be directly con nected The pin assignment is in accordance with the Motorola specification 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 Yellow Mark Pin1 Target Connector L LLLLLLLL ColdFire 1 P 25 2 BKPT gt MENEREN 4 Pea MM UML NUN MLB MM 5 GROUND 2 26 7 RESET 8 DSI 9 Vccio 10 DSO TARGET B 15 eee e eee e2e2000080 16 2 The green LED TRGT marked light up when target is powered up 26 TEA For BDI TARGET B connector signals see table on next page Warning Before you can use the BDI3000 with an other target processor type e g ColdFire 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 1
26. de 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 2011 by ABATRON AG Switzerland V 1 02 e AH for GNU Debugger BDI3000 ColdFire User Manual 15 Erase Update 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 e g 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
27. 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 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 2011 by ABATRON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire 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
28. ditions Failure in handling which leads to defects or any self made repair attempts are not covered under this warranty In the event of notification within the warranty period of defects in material or workman ship ABATRON will repair or replace the defective hardware The customer must contact the distrib utor or Abatron for a RMA number prior to returning 7 2 Software License Against payment of a license fee the client receives a usage license for this software product which is not exclusive and cannot be transferred Copies The client is entitled to make copies according to the number of licenses purchased Copies exceeding this number are allowed for storage purposes as a replacement for defective storage mediums Update and Support The agreement includes free software maintenance update and support for one year from date of purchase After this period the client may purchase software maintenance for an additional year 7 3 Warranty and Disclaimer ABATRON AND ITS SUPPLIERS HEREBY DISCLAIMS AND EXCLUDES TO THE EXTENT PERMITTED BY APPLICABLE LAW ALL WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE TITLE AND NON INFRINGEMENT 7 4 Limitation of Liability IN NO EVENT SHALL ABATRON OR ITS SUPPLIERS BE LIABLE TO YOU FOR ANY DAMAGES INCLUDING WITHOUT LIMITATION ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONN
29. 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 utility root LINUX_1 bdisetup make cc 02 c o bdisetup o bdisetup c cc 02 c o bdicnf o bdicnf c cc O2 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 ttySO b115 BDI Type BDI3000 SN 30000154 Loader V1 00 Firmware unknown MAC ff ff ff ff ff ff IP Addr 255 255 255 255 Subnet 255 255 255 255 Gateway 255 255 255 255 Host IP 255 255 255 255 Config yyyyyyy 3 Load Update t
30. e HARD is selected the BDI sets an appropriate hardware breakpoint User controlled hardware breakpoints The ColdFire has a special watchpoint breakpoint hardware integrated Normally the BDI controls this hardware in response to Telnet commands Bl BDx or when breakpoint mode HARD is select ed Via the Telnet commands BI and BDx you cannot access all the features of the breakpoint hard ware Therefore the BDI assumes that the user will control setup this breakpoint hardware as soon as TDR is written to with a value that is not zero This way the debugger or the user via Telnet has full access to all features of this watchpoint breakpoint hardware Clearing TDR gives control back to the BDI 3 3 4 GDB monitor command The BDI supports the GDB V5 x monitor command Telnet commands are executed and the Telnet output is returned to GDB gdb target remote bdi3000 2001 Remote debugging using bdi3000 2001 Ox10D2 in start gdb mon break Breakpoint mode is SOFT gdb mon break hard gdb mon break Breakpoint mode is HARD gdb Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire User Manual 35 3 3 5 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 Connectin
31. g GDB to a GDB server stub running on the target should also be possible Target System RS232 Connector om ColdFire 2 RXD 3 TXD 5 GROUND BDIz000 N Ethernet 10 100 BASE T C 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 2011 by ABATRON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire User Manual 36 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 Display and modify memory locations Display and modify general and special purpose registers e Single step a code sequence e Set hardware breakpoints for code and data accesses Load a code file from any host e Start Stop program execution 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 ins
32. he 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 ttySO b115 aGDB tMCF Connecting to BDI loader Programming firmware with b30mcfgd 100 Erasing firmware flash Erasing firmware flash passed Programming firmware flash Programming firmware flash passed Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 e AH for GNU Debugger BDI3000 ColdFire User Manual 13 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 to
33. ldi JTAG debug interface for GNU Debugger Cokdfire User Manual Manual Version 1 02 for BDI3000 abatr on 1997 2011 by Abatron AG 4 AH for GNU Debugger BDI3000 ColdFire User Manual 2 1 introduction g 3 11 scie en a a A ere eer eee rere eee rer eee aa 3 1 2 SCG AAO NR ae ie as cece ta nseni oT 4 ICI 5 2 1 Connecting the BDI3000 to FArgel uoo Heuer am E COR e rei oasis a Ioui endisse 5 2 2 Connecting the BDI3000 to Power Supply ssesseeeeeennennnmeennennnnnnn 7 2 3 Status LEDMOBBN z iiie eee nexu u DE quU MED 8 2 4 Connecting the BDI3000 to Host nennen nennen nennen nennen 9 2 4 1 Serial line GormnlnitaltlOri siacuus ieena be n tU Hp ERE iesu UR Cua QUEUE QUE I MEU He pan UE 9 242 Ethernet GomnmiblilealiQri ucucescses een cepere nee gnata nue came x a tUS UR pu UK UrE CURRERE 10 2 5 Installation of the Configuration Software esssseeeeeeenenmeneneennnnne 11 2 5 1 Configuration with a Linux Unix host sssssssseeeeneeneneenennnnes 12 2 5 2 Configuration with Windows host isa nce ttr n testa ku e ree s veta Elo ian e 14 2 5 3 Configuration via Telnet TFTP uui etre dite ortas re as odeec rur de bes a XE SE ee eaR anas 16 2 6 Testing the BDI3000 to host connection sssssssseeenne 18 2 7 TFTP server for WiNdOWS P
34. meter the loaded application will be started immedi ately otherwise only the PC is set and BDI waits for GDB requests Example BDIMODE AGENT RUN CPUCLOCK value The BDI needs to know how fast the target CPU runs after processing the init list The BDM communication speed is selected based on this value If this value defines a clock rate that is higher than the real clock BDM com munication may fail When defining a clock rate slower than possible BDM communication still works but not as fast as possible For V3 V4 cores enter the PSTCLK value value the CPU PSTCLK clock in hertz Example CPUCLOCK 25000000 CPU clock is 25 0MHz STARTUP mode runtime This parameter selects the target startup mode The following modes are supported RESET This default mode forces the target to debug mode im mediately out of reset No code is executed after reset STOP 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 RUN After reset the target executes code until stopped by the Telnet halt command Example STARTUP STOP 3000 let the CPU run for 3 seconds Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 e bd for GNU Debugger BDI3000 ColdFire User Manual 24 BREAKMODE mode NOUHE This parameter defines how breakpoints are implemented The cur VECTOR CATCH SIO port baudrate WAKEUP time RESET time
35. ne acioq rin ieu ERO XN ON OIN MEE XM RUM E 40 p W uoncueieahtulsmeec 40 Appendices A TFOUDIGSTIOOITU iuuaxriaxxennzkanxER EE ERUXXG ewan VINE nce cadens elena X MEME RN RAE END ERE IM SERE ER 41 B Maintenance euascxen en iki oo aso e e OU kl E EE OGERU RO RO REB RR ERE RN GL RU ss aask 42 C Trad marks 42 Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire User Manual 3 1 Introduction bdiGDB enhances the GNU debugger GDB with Background Debug Mode BDM debugging for ColdFire based targets With the built in Ethernet interface you get a very fast code download speed No target communication 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 between the host and the target Target System ColdFire BDM Interface BDIso00 GNU Debugger GDB Ethernet 10 100 BASE T 1 1 BDI3000 The BDI3000 is the main part of the bdiGDB system This small box implements the interface be tween
36. ng explains the meanings of the built in LED lights LED 1 Link Activity When this LED light is ON data link is successful between the UTP port green 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 2011 by ABATRON AG Switzerland V 1 02 e A for GNU Debugger BDI3000 ColdFire 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 is also a TFTP server included The following files are on the diskette b30mcfgd exe Windows Configuration program b30mcfgd 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 Create a new directory on your hard disk Copy the entire contents of the enclosed diskette into this directory Linux only extract the setup tool sources and build the setup tool Use the setup tool or Telnet default IP to load update the BDI firmware Note A new BDI has no firmware loaded Use the setup tool or Telnet default IP t
37. ng 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 client 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 tftpsrv 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 2011 by ABATR
38. not connected or not correctly connected to the network LAN cable or media converter An incorrect IP address was entered BDI3000 configuration Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 e bd for GNU Debugger BDI3000 ColdFire User Manual 42 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 2011 by ABATRON AG Switzerland V 1 02
39. o 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 ttySO 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 2011 by ABATRON AG Switzerland V 1 02 Lj A for GNU Debugger BDI3000 ColdFire User Manual 12 2 5 1 Configuration with a Linux Unix host The firmware update and the initial configuration of the BDI3000 is
40. program the firmware into the BDI flash telnet 151 120 25 102 LDR info BDI Firmware not loaded BDI CPLD ID 01285043 BDI CPLD UES ffffffff BDIMAC 00 0c 01 30 00 01 BDIIP 151 120 25 102 BDI Subnet 255 255 255 0 BDI Gateway 255 255 255 255 Config IP 151 120 25 112 Config File bdi3000 mytarget cfg LDR gt fwload e temp b30mcfgd 100 erasing firmware flash passed programming firmware flash passed LDR info BDI Firmware 26 1 00 BDI CPLD ID 01285043 BDI CPLD UES ffffffff BDIMAC 00 0c 01 30 00 01 BDIIP 151 120 25 102 BDI Subnet 255 255 255 0 BDI Gateway 255 255 255 255 Config IP 151 120 25 112 Config File bdi3000 mytarget cfg LDR To boot now into the firmware use LDR gt boot User Manual 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 2011 by ABATRON AG Switzerland 17 V 1 02 4 A for GNU Debugger BDI3000 ColdFire 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 f not already done connect the BDI3000 system to the network 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 f everythi
41. r 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 V gt h151 120 25 112 V 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 ttySO b115 s BDI Type BDI3000 SN 30000154 Loader V1 00 Firmware V1 00 bdiGDB for ColdFire MAC 00 0c 01 30 00 01 IP Addr 151 120 25 102 Subnet 255 255 255 255 Gateway 255 255 255 2
42. round Note The BDI3000 does not support some older V2 cores MCF5204 MCF5206 e and MCF5272 These cores need synchronous BDM signals and this is not supported by the BDI3000 Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 A for GNU Debugger BDI3000 ColdFire User Manual 7 2 2 Connecting the BDI3000 to Power Supply The BDI3000 needs to be supplied with the enclosed power supply from Abatron BVDC 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 supply 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 1 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 external power supply 2 target system Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 A for GNU Debugger BDI3000 ColdFire 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
43. rst 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 DMM 1 0x02200000 Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire User Manual 32 CMMn addr mask This defines the control register that holds the base address of control reg ister based memory mapped registers The base address is added to the individual offset of the register addr the address of the Control register mask the mask applied to the control register value before it is used as base address Example CMM2 0x008 OxFFFF0000 MMUBAR Note The following register names are already predefined dO d7 a0 a7 fp sp vbr sr pc cacr acrO acr1 rambar rombar mbar Example for a register definition MCF5485 Entry in the configuration file REGS CMMI 0xCOF Oxfffc0000 MBAR CMM2 0x008 Oxffff0000 MMUBAR FILE reg5485 def The register definition file name type addr size Additional Control Register cacr CREG 0x002 32 asid CREG 0x003 32 acrO CREG 0x004 32 CMM2 must point to MMUBAR mmucr CMM2 0x000 32 mmuor CMM2 0x004 32 CMMI must point to MBAR System Integration Unit SIU sdramds 1 CMM1 0x004 32 sbcr CMM1 0x010 32 csOcfg01 CMMI 0x020 32 Now the defined registers can be accessed by name via the Telnet interface BDI gt rd mmucr BDI gt rm c
44. s 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 mcf bootrom hex FILE bootrom hex 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 format SREC BIN AOUT ELF or COFF Example FORMAT SREC FORMAT ELF 0x10000 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 2011 by ABATRON AG Switzerland V 1 02 Lj bd for GNU Debugger BDI3000 ColdFire User Manual 27 ERASE addr increment count mode wait The flash memory 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
45. sar0 OxFFEO Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 A for GNU Debugger BDI3000 ColdFire User Manual 33 3 3 Debugging with GDB Because the target agent runs within 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 Your application must be fully linked because no dynamic loading is supported 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 loads your application code If RUN is selected the application is immediately started otherwise only the target PC is set 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 file must have an appropriate entry You may also use an IP
46. t number and size are defined in a separate register definition file This way you can create one register definition file for the MCF5307 that can be used for all pos sible positions of the internal memory map You only have to change one entry in the configuration file An entry in the register definition file has the following syntax name type addr size name The name of the register max 12 characters type The register type DREG Data register AREG Address register CREG Control register MM Absolute direct memory mapped register DMM1 DMMA Relative direct memory mapped register IMM1 IMM4 Indirect memory mapped register CMM1 CMM4_ Control register based memory mapped register addr The address offset or number of the register size The size 8 16 32 of the register 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 loaded once during BDI startup filename the filename including the full path Example FILE C bdi regs mcf5485 def DMMn 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 DMM 1 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 IMMn regis ter is fi
47. t to change without notice Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 e A for GNU Debugger BDI3000 ColdFire 5 Environmental notice Disposal of the equipment must be carried out at a designated disposal site 6 Declaration of Conformity CE DECLARATION OF CONFORMITY This declaration is 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 Max Vock Ruedi Dummermuth Marketing Director Technical Director Rotkreuz 7 18 2007 Copyright 1997 2011 by ABATRON AG Switzerland User Manual 39 V 1 02 4 AH for GNU Debugger BDI3000 ColdFire User Manual 40 7 Abatron Warranty and Support Terms 7 1 Hardware ABATRON Switzerland warrants that the Hardware shall be free from defects in material and work manship for a period of 3 years following the date of purchase when used under normal con
48. tallation of the bdiGDB system or in case of special debug needs e g setting breakpoints on variable access Multiple commands separated by a semicolon can be entered on one line Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 e A for GNU Debugger BDI3000 ColdFire User Manual Following a list of the available Telnet commands MD lt address gt lt count gt display target memory as word 32bit 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 size lt file gt dump target memory to a file MM addr value cnt modify word s 32bit in target memory MMH addr value lt cnt gt modify half word s 16bit in target memory MMB addr value lt cnt gt modify byte s 8bit in target memory MT lt addr gt count memory test MC lt address gt lt count gt calculates a checksum over a memory range MV verifies the last calculated checksum RD lt name gt display CPU or user defined register RDFP display floating point registers RDUMP lt file gt dump all user defined register to a file RM name value modify CPU or user defined register TLB from to display TLB entry only V4e cores WTLB idx epn rpn write TLB entry only V4e cores RESET reset the target system BR
49. the init list allows to define a delay time in ms the BDI inserts between releasing the RESET line and starting communicating with the target This init list entry may be necessary if RESET is delayed on its way to the processors reset pin If not defined a delay of 1 ms is used time the delay time in milliseconds 10 60 000 Example WAKEUP 3000 insert 3sec wake up time This entry in the init list allows to define the time in ms the BDI asserts the RESET signal If not defined reset is asserted for 1 ms time the reset time in milliseconds 10 60 000 Example RESET 500 assert RESET for 500 ms Copyright 1997 2011 by ABATRON AG Switzerland V 1 02 4 AH for GNU Debugger BDI3000 ColdFire User Manual 25 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 mcfitest elf FILE test elf FORMAT format offset The format of the program file and an optional load address offset Cur rently binary S record a out ELF and COFF formats are supported
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