I am using the same board you are using (except with a J-link debugger instead of the Olimex) without too many problems.
You may want to consider moving up to the latest OpenOCD software since my recollection is that a number of problems were fixed between version 1.0 and 2.0 using that interface. Gary On 8/11/09 10:54 AM, "Grant Edwards" <grant.b.edwa...@gmail.com> wrote: > Has anybody gotten OpenOCD to work with an Atmel AT91SAM9G20? > > I found a thread from about 6 months ago that indicated it was > partially working with an Amontek JTAG interface, but there > were problems and the thread contained no indication that the > problems had ever been resolved. > > I'm trying to use an Olimex tiny with the 'G20 and I'm having > little luck. The Olimex interface worked fine with an Atmel > ATRM9200, so I know the hardware is OK and openocd/libftdi both > work. > > If I attempt to connect to a the board (an Atmel AT92SAM9G20-EK > Rev B eval board), OpenOCD _occasionally_ finds the CPU, but it > usually complains like this: > > Open On-Chip Debugger 0.1.0 (2009-06-29-11:11) Release > $URL: > https://kc8...@svn.berlios.de/svnroot/repos/openocd/tags/openocd-0.1.0/src/ope > nocd.c $ > jtag_speed: 5 > use of EmbeddedICE dbgrq instead of breakpoint for target halt enabled > Error: couldn't read the requested number of bytes from FT2232 device (19 < > 81) > Error: couldn't read from FT2232 > Error: number of discovered devices in JTAG chain (0) doesn't match > (enabled) configuration (1), total taps: 1 > Error: check the config file and ensure proper JTAG communication > (connections, speed, ...) > Error: trying to validate configured JTAG chain anyway... > Warn : no tcl port specified, using default port 6666 > > or like this: > > Open On-Chip Debugger 0.1.0 (2009-06-29-11:11) Release > $URL: > https://kc8...@svn.berlios.de/svnroot/repos/openocd/tags/openocd-0.1.0/src/ope > nocd.c $ > jtag_speed: 5 > use of EmbeddedICE dbgrq instead of breakpoint for target halt enabled > Info : JTAG tap: at91sam9g20.cpu tap/device found: 0x0792603f > (Manufacturer: 0x01f, Part: 0x7926, Version: 0x0) > Info : JTAG Tap/device matched > Warn : no tcl port specified, using default port 6666 > Warn : DBGACK set while target was in unknown state. Reset or initialize > target. > > If I cycle power on the board immediately before starting > openocd it will connect sometimes (maybe 20% of the time): > > Open On-Chip Debugger 0.1.0 (2009-06-29-11:11) Release > $URL: > https://kc8...@svn.berlios.de/svnroot/repos/openocd/tags/openocd-0.1.0/src/ope > nocd.c $ > jtag_speed: 5 > use of EmbeddedICE dbgrq instead of breakpoint for target halt enabled > Info : JTAG tap: at91sam9g20.cpu tap/device found: 0x0792603f > (Manufacturer: 0x01f, Part: 0x7926, Version: 0x0) > Info : JTAG Tap/device matched > Warn : no tcl port specified, using default port 6666 > > But then when I telnet in, it won't do anything useful. > Attempting to read memory fails with a "device not halted" > message, but the 'halt' command just hangs forever. > > I'm now a bit stumped, and would appreciate the loan of a > clue... > > The config I'm using was gleaned from various mailing list > postings: > > # REFERENCE: http://www.olimex.com/dev/arm-usb-tiny.html > interface ft2232 > ft2232_device_desc "Olimex OpenOCD JTAG TINY" > ft2232_layout olimex-jtag > ft2232_vid_pid 0x15ba 0x0004 > > #daemon configuration > telnet_port 4444 > gdb_port 3333 > > set CHIPNAME at91sam9g20 > set ENDIAN little > set CPUTAPID 0x0792603f > # chip > source [find target/at91sam9260.cfg] > > jtag_speed 5 > > $_TARGETNAME configure -event reset-init { > # at reset chip runs at 32khz > jtag_khz 8 > mww 0xfffffd08 0xa5000501 # RSTC_MR : enable user reset > mww 0xfffffd44 0x00008000 # WDT_MR : disable watchdog > mww 0xfffffc20 0x00004001 # CKGR_MOR : enable the main > oscillator > sleep 20 # wait 20 ms > mww 0xfffffc30 0x00000001 # PMC_MCKR : switch to main > oscillator > sleep 10 # wait 10 ms > mww 0xfffffc28 0x2060bf09 # CKGR_PLLAR: Set PLLA Register > for 198,656MHz > sleep 20 # wait 20 ms > mww 0xfffffc30 0x00000101 # PMC_MCKR : Select prescaler > sleep 10 # wait 10 ms > mww 0xfffffc30 0x00000102 # PMC_MCKR : Clock from PLLA is > selected > sleep 10 # wait 10 ms > # Now run at anything fast... ie: 10mhz! > jtag_khz 10000 # Increase JTAG Speed to 6 MHz > arm7_9 dcc_downloads enable # Enable faster DCC downloads > } > #this chip has more sram > # Internal sram2 memory > $_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x00200000 > -work-area-size 0x1000 -work-area-backup 1 > > #gdb > gdb_memory_map enable > arm7_9 dbgrq enable > > Here's a debug log for the case that comes closest to working > (where the CPU is identified correctly). I then telnet in and > issue an "mdb" command and then a "halt" command. At that > point, openocd hangs and I kill it with Ctrl-C: > > # openocd -d3 > Open On-Chip Debugger 0.1.0 (2009-06-29-11:11) Release > $URL: > https://kc8...@svn.berlios.de/svnroot/repos/openocd/tags/openocd-0.1.0/src/ope > nocd.c $ > User : 5 1 command.c:494 command_run_line(): > Debug: 6 1 configuration.c:88 find_file(): found openocd.cfg > Debug: 8 1 command.c:91 script_command(): script_command - interface > Debug: 9 1 command.c:108 script_command(): script_command - interface, > argv[0]=ocd_interface > Debug: 10 1 command.c:108 script_command(): script_command - interface, > argv[1]=ft2232 > Debug: 12 1 command.c:91 script_command(): script_command - ft2232_device_desc > Debug: 13 1 command.c:108 script_command(): script_command - > ft2232_device_desc, argv[0]=ocd_ft2232_device_desc > Debug: 14 1 command.c:108 script_command(): script_command - > ft2232_device_desc, argv[1]=Olimex OpenOCD JTAG TINY > Debug: 16 1 command.c:91 script_command(): script_command - ft2232_layout > Debug: 17 1 command.c:108 script_command(): script_command - ft2232_layout, > argv[0]=ocd_ft2232_layout > Debug: 18 1 command.c:108 script_command(): script_command - ft2232_layout, > argv[1]=olimex-jtag > Debug: 20 1 command.c:91 script_command(): script_command - ft2232_vid_pid > Debug: 21 1 command.c:108 script_command(): script_command - ft2232_vid_pid, > argv[0]=ocd_ft2232_vid_pid > Debug: 22 1 command.c:108 script_command(): script_command - ft2232_vid_pid, > argv[1]=0x15ba > Debug: 23 1 command.c:108 script_command(): script_command - ft2232_vid_pid, > argv[2]=0x0004 > Debug: 25 1 command.c:91 script_command(): script_command - telnet_port > Debug: 26 1 command.c:108 script_command(): script_command - telnet_port, > argv[0]=ocd_telnet_port > Debug: 27 1 command.c:108 script_command(): script_command - telnet_port, > argv[1]=4444 > Debug: 29 1 command.c:91 script_command(): script_command - gdb_port > Debug: 30 1 command.c:108 script_command(): script_command - gdb_port, > argv[0]=ocd_gdb_port > Debug: 31 1 command.c:108 script_command(): script_command - gdb_port, > argv[1]=3333 > Debug: 32 1 configuration.c:88 find_file(): found > /usr/lib/openocd/target/at91sam9260.cfg > Debug: 33 1 configuration.c:88 find_file(): found > /usr/lib/openocd/target/at91sam9260minimal.cfg > Debug: 35 2 command.c:91 script_command(): script_command - reset_config > Debug: 36 2 command.c:108 script_command(): script_command - reset_config, > argv[0]=ocd_reset_config > Debug: 37 2 command.c:108 script_command(): script_command - reset_config, > argv[1]=trst_and_srst > Debug: 38 2 jtag.c:1892 jim_newtap_cmd(): Creating New Tap, Chip: at91sam9g20, > Tap: cpu, Dotted: at91sam9g20.cpu, 8 params > Debug: 39 2 jtag.c:1911 jim_newtap_cmd(): Processing option: -irlen > Debug: 40 2 jtag.c:1911 jim_newtap_cmd(): Processing option: -ircapture > Debug: 41 2 jtag.c:1911 jim_newtap_cmd(): Processing option: -irmask > Debug: 42 2 jtag.c:1911 jim_newtap_cmd(): Processing option: -expected-id > Debug: 43 2 jtag.c:2024 jim_newtap_cmd(): Created Tap: at91sam9g20.cpu @ abs > position 0, irlen 4, capture: 0x1 mask: 0xf > Debug: 45 2 command.c:91 script_command(): script_command - jtag_nsrst_delay > Debug: 46 2 command.c:108 script_command(): script_command - jtag_nsrst_delay, > argv[0]=ocd_jtag_nsrst_delay > Debug: 47 2 command.c:108 script_command(): script_command - jtag_nsrst_delay, > argv[1]=200 > Debug: 49 2 command.c:91 script_command(): script_command - jtag_ntrst_delay > Debug: 50 2 command.c:108 script_command(): script_command - jtag_ntrst_delay, > argv[0]=ocd_jtag_ntrst_delay > Debug: 51 2 command.c:108 script_command(): script_command - jtag_ntrst_delay, > argv[1]=200 > Debug: 52 2 target.c:3911 jim_target(): Target command params: > Debug: 53 2 target.c:3912 jim_target(): target create at91sam9g20.cpu > arm926ejs -endian little -chain-position at91sam9g20.cpu -variant arm926ejs > Debug: 55 2 command.c:91 script_command(): script_command - bank > Debug: 56 2 command.c:108 script_command(): script_command - bank, > argv[0]=ocd_flash_bank > Debug: 57 2 command.c:108 script_command(): script_command - bank, argv[1]=cfi > Debug: 58 2 command.c:108 script_command(): script_command - bank, > argv[2]=0x10000000 > Debug: 59 2 command.c:108 script_command(): script_command - bank, > argv[3]=0x01000000 > Debug: 60 2 command.c:108 script_command(): script_command - bank, argv[4]=2 > Debug: 61 2 command.c:108 script_command(): script_command - bank, argv[5]=2 > Debug: 62 2 command.c:108 script_command(): script_command - bank, argv[6]=0 > Debug: 64 3 command.c:91 script_command(): script_command - jtag_speed > Debug: 65 3 command.c:108 script_command(): script_command - jtag_speed, > argv[0]=ocd_jtag_speed > Debug: 66 3 command.c:108 script_command(): script_command - jtag_speed, > argv[1]=5 > Debug: 67 3 jtag.c:2620 handle_jtag_speed_command(): handle jtag speed > User : 68 3 command.c:383 command_print(): jtag_speed: 5 > Debug: 70 3 command.c:91 script_command(): script_command - gdb_memory_map > Debug: 71 3 command.c:108 script_command(): script_command - gdb_memory_map, > argv[0]=ocd_gdb_memory_map > Debug: 72 3 command.c:108 script_command(): script_command - gdb_memory_map, > argv[1]=enable > Debug: 74 3 command.c:91 script_command(): script_command - dbgrq > Debug: 75 3 command.c:108 script_command(): script_command - dbgrq, > argv[0]=ocd_arm7_9_dbgrq > Debug: 76 3 command.c:108 script_command(): script_command - dbgrq, > argv[1]=enable > User : 77 3 command.c:383 command_print(): use of EmbeddedICE dbgrq instead of > breakpoint for target halt enabled > User : 78 3 command.c:494 command_run_line(): > Debug: 80 3 command.c:91 script_command(): script_command - init > Debug: 81 3 command.c:108 script_command(): script_command - init, > argv[0]=ocd_init > Debug: 82 3 openocd.c:144 handle_init_command(): target init complete > Debug: 83 3 ft2232.c:1588 ft2232_init_libftdi(): 'ft2232' interface using > libftdi with 'olimex-jtag' layout (15ba:0004) > Debug: 84 9 ft2232.c:1630 ft2232_init_libftdi(): current latency timer: 2 > Debug: 85 9 ft2232.c:1966 olimex_jtag_init(): 80 08 1b > Debug: 86 9 ft2232.c:2009 olimex_jtag_init(): 82 09 0f > Debug: 87 9 ft2232.c:276 ft2232_speed(): 86 05 00 > Debug: 88 10 openocd.c:151 handle_init_command(): jtag interface init complete > Debug: 89 10 jtag.c:2240 jtag_init_inner(): Init JTAG chain > Debug: 90 10 jtag.c:434 jtag_call_event_callbacks(): jtag event: JTAG > controller reset (RESET or TRST) > Debug: 91 10 jtag.c:1487 jtag_reset_callback(): - > Debug: 92 10 jtag.c:434 jtag_call_event_callbacks(): jtag event: JTAG > controller reset (RESET or TRST) > Debug: 93 10 jtag.c:1487 jtag_reset_callback(): - > Info : 94 12 jtag.c:1607 jtag_examine_chain(): JTAG tap: at91sam9g20.cpu > tap/device found: 0x0792603f (Manufacturer: 0x01f, Part: 0x7926, Version: 0x0) > Info : 95 12 jtag.c:1645 jtag_examine_chain(): JTAG Tap/device matched > Debug: 96 12 jtag.c:434 jtag_call_event_callbacks(): jtag event: JTAG > controller reset (RESET or TRST) > Debug: 97 12 jtag.c:1487 jtag_reset_callback(): - > Debug: 98 16 openocd.c:157 handle_init_command(): jtag init complete > Debug: 99 20 embeddedice.c:401 embeddedice_write_reg(): 0: 0x00000000 > Debug: 100 20 embeddedice.c:401 embeddedice_write_reg(): 12: 0x00000000 > Debug: 101 20 embeddedice.c:401 embeddedice_write_reg(): 20: 0x00000000 > Debug: 102 20 openocd.c:160 handle_init_command(): jtag examine complete > Debug: 103 20 openocd.c:166 handle_init_command(): flash init complete > Debug: 104 20 openocd.c:170 handle_init_command(): mflash init complete > Debug: 105 20 openocd.c:174 handle_init_command(): NAND init complete > Debug: 106 20 openocd.c:178 handle_init_command(): pld init complete > Debug: 107 20 gdb_server.c:2225 gdb_init(): gdb service for target arm926ejs > at port 3333 > Warn : 108 20 tcl_server.c:178 tcl_init(): no tcl port specified, using > default port 6666 > User : 109 20 command.c:494 command_run_line(): > Info : 110 18110 server.c:89 add_connection(): accepting 'telnet' connection > from 0 > Debug: 112 20448 command.c:91 script_command(): script_command - mdb > Debug: 113 20448 command.c:108 script_command(): script_command - mdb, > argv[0]=ocd_mdb > Debug: 114 20448 command.c:108 script_command(): script_command - mdb, > argv[1]=0 > Debug: 115 20448 arm7_9_common.c:1966 arm7_9_read_memory(): address: > 0x00000000, size: 0x00000001, count: 0x00000001 > Warn : 116 20448 arm7_9_common.c:1970 arm7_9_read_memory(): target not halted > Debug: 117 20448 command.c:427 run_command(): Command failed with error code > -304 > User : 118 20448 command.c:626 openocd_jim_vfprintf(): Runtime error, file > "command.c", line 456: > User : 119 20448 command.c:626 openocd_jim_vfprintf(): > Debug: 121 21707 command.c:91 script_command(): script_command - halt > Debug: 122 21707 command.c:108 script_command(): script_command - halt, > argv[0]=ocd_halt > Debug: 123 21707 target.c:1744 handle_halt_command(): - > Debug: 124 21707 arm7_9_common.c:1054 arm7_9_halt(): target->state: running > Debug: 125 21707 embeddedice.c:401 embeddedice_write_reg(): 0: 0x00000002 > Debug: 126 21712 embeddedice.c:401 embeddedice_write_reg(): 0: 0x00000005 > Debug: 127 21712 embeddedice.c:401 embeddedice_write_reg(): 0: 0x00000005 > Debug: 128 21713 arm926ejs.c:343 arm926ejs_examine_debug_reason(): internal > debug request > Debug: 129 21713 arm7_9_common.c:1153 arm7_9_debug_entry(): target entered > debug from ARM state > Debug: 130 21720 arm7_9_common.c:1185 arm7_9_debug_entry(): target entered > debug state in Supervisor mode > Debug: 131 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r0: 0x00000000 > Debug: 132 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r1: 0x0005317f > Debug: 133 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r2: 0x0005217f > Debug: 134 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r3: 0x60000093 > Debug: 135 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r4: 0xc002929c > Debug: 136 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r5: 0xc02e8000 > Debug: 137 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r6: 0xc02ebe30 > Debug: 138 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r7: 0xc002929c > Debug: 139 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r8: 0xc0305124 > Debug: 140 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r9: 0x41069265 > Debug: 141 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r10: 0x20021cf4 > Debug: 142 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r11: 0xc02e9f94 > Debug: 143 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r12: 0x600000d3 > Debug: 144 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r13: 0xc02e9f88 > Debug: 145 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r14: 0xc00292e0 > Debug: 146 21720 arm7_9_common.c:1216 arm7_9_debug_entry(): r15: 0xc0030824 > Debug: 147 21720 arm7_9_common.c:1222 arm7_9_debug_entry(): entered debug > state at PC 0xc0030824 > Debug: 148 21728 arm926ejs.c:477 arm926ejs_post_debug_entry(): > cp15_control_reg: 0005217f > Debug: 149 21737 arm926ejs.c:498 arm926ejs_post_debug_entry(): D FSR: > 0x00000017, D FAR: 0x00092765, I FSR: 0x00000017 > Debug: 150 21744 target.c:696 target_call_event_callbacks(): target event 4 > (early-halted) > ^C > > > > Any ideas? > > _______________________________________________ > Openocd-development mailing list > Openocd-development@lists.berlios.de > https://lists.berlios.de/mailman/listinfo/openocd-development _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
