diff options
author | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-02-27 06:44:45 +0000 |
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committer | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-02-27 06:44:45 +0000 |
commit | 5a15c6d8079ac3e8b0677ae9665e841856a42772 (patch) | |
tree | f2907a4a51fe24687a8276f8aa47d88b129e1862 | |
parent | 0686e944f300e433d449eaa5c7bc576c1e65fd1a (diff) |
Nicolas Pitre listed some more devices.
git-svn-id: svn://svn.berlios.de/openocd/trunk@356 b42882b7-edfa-0310-969c-e2dbd0fdcd60
-rw-r--r-- | README | 261 | ||||
-rw-r--r-- | doc/openocd.texi | 3823 |
2 files changed, 2044 insertions, 2040 deletions
@@ -1,129 +1,132 @@ - OpenOCD - - Free and Open On-Chip Debugging, In-System Programming - and Boundary-Scan Testing - Copyright (c) 2004-2007 Dominic Rath - -The debugger uses an IEEE 1149-1 compliant JTAG TAP bus master to access on-chip -debug functionality available on ARM7 and ARM9 based microcontrollers / -system-on-chip solutions. - -User interaction is realized through a telnet command line interface and a gdb -(The GNU Debugger) remote protocol server. - -1. JTAG hardware - -Currently, OpenOCD supports the following JTAG interfaces: - -- Parallel port wigglers. These devices connect to a PC's parallel port, -providing direct access to the JTAG lines. The OpenOCD contains descriptions -of a few Wiggler layouts, including the original 'Wiggler' design. Other -layouts (i.e. mapping of parallel port pins to JTAG lines) can be added easily. -Typical Wiggler speeds are around 12kByte/s code download to an ARM7's RAM. - -The list of supported parallel port devices includes: - - * Macraigor Wiggler JTAG cable - * Gateworks GW16012 JTAG programmer - * Xilinx DLC5 JTAG parallel cable III - * Ka-Ro TRITON starterkit II JTAG cable - * Lattice parallel port JTAG cable - * ST FlashLINK programming cable - -- The Amontec JTAG Accelerator. This is a configuration for Amontec's Chameleon -dongle, a parallel port interface based on a Xilinx CoolRunner CPLD. It uses -the IEEE1284 EPP parallel port specification, providing many times the -performance achievable with wiggler-style devices. Additional information is -available on www.amontec.com. -Typical JTAG Accelerator speeds are around 120-160kByte/s to an ARM7's RAM. - -- FTDI FT2232 based USB devices. The FT2232 (but not FT232 or FT245) features a -multi-protocol synchronous serial engine (MPSSE) that can be used to run the -serial JTAG protocol. There are several implemenations of FT2232 based devices: - -* USBJTAG: http://www.fh-augsburg.de/~hhoegl/proj/usbjtag/usbjtag.html -The USBJTAG was designed by Prof. Hubert Hoegl to provide a high-speed USB -interface for use with the OpenOCD. Schematics are available at the USBJTAG -website, and a homebrew device can easily be built using the FTDI evaluation -module DLP2232M. - -* OOCD-Link: http://www.joernonline.de/dw/doku.php?id=en:projects:oocdlink -Similar to the USBJTAG, this design comes with free schematics, too. - -* Amontec JTAGkey: www.amontec.com -The Amontec JTAGkey offers support for a wide variety of target voltages from -1.4V to 5V. It also allows the JTAG lines and reset signals to be tri-stated, -allowing easy interfacing with a wide variety of targets. - -* Amontec JTAGkey-Tiny: www.amontec.com -The Amontec JTAGkey offers support for a wide variety of target voltages from -2.8V to 5V. It also allows the reset signals to be tri-stated, allowing easy -interfacing with a wide variety of targets. - -* Olimex ARM-USB-OCD: www.olimex.com -The Olimex ARM-USB-OCD offers support for a wide vriety of target voltages from -2.0V to 5V. It also allows targets to be powered from the ARM-USB-OCD and -features and additional RS232 UART. - -* eVerve Signalyzer: www.signalyzer.com -The Signalyzer offers support for a wide variety of target voltages from 1.2V to -5.5V. A second connector provides access to a TTL level UART. - -* TinCanTools 'Flyswatter' USB JTAG programmer. - -* Turtelizer 2: http://www.ethernut.de/en/hardware/turtelizer/index.html -Another USB JTAG programmer, with freely available schematics. It supports -target voltages from 1.65V to 5.5V. - -* Hitex STR9-comSTICK: http://www.ehitex.de/p_info.php?products_id=292 -A STR912FW44x microcontroller "board" with USB and JTAG functionality. - -* Luminary Micro development board evb_lm3s811 JTAG interface. - -* ASIX PRESTO: http://www.asix-tools.com/prg_presto.htm -The ASIX PRESTO is a USB JTAG programmer for a wide range of components, e.g. -microcontrollers, serial EEPROM and Flash memory chips, CPLDs and others. - -* usbprog: http://www.embedded-projects.net/index.php?page_id=165 -The usbprog is a freely programmable USB adapter, which can (among other -things) use a firmware which turns it into a JTAG programmer/debugger. - -All FT2232 based devices may be accessed using either FTDI's proprietary FTD2XX -library (www.ftdichip.com) or using an open-source replacement from -http://www.intra2net.com/de/produkte/opensource/ftdi/index.php, also included -with many Linux distributions. - -2. Supported cores - -This version of openocd supports the following ARM7/9 cores: - -- ARM7TDMI(-s) -- ARM9TDMI -- ARM920t -- ARM922t -- ARM926ej-s -- ARM966e -- Cortex-M3 - -Support for Intel XScale CPUs is also included: - -- PXA25x -- PXA27x -- IXP42x - -3. Host platforms - -OpenOCD was originally developed on x86-Linux, but has since then been ported -to run on Windows/Cygwin, native Windows with MinGW, FreeBSD, IA64-Linux, -AMD64-Linux, Alpha-Linux, ARM-Linux, and PowerPC OS-X. - -4. Documentation - -Documentation for the OpenOCD is hosted in the Berlios OpenFacts Wiki at -http://openfacts.berlios.de/index-en.phtml?title=Open_On-Chip_Debugger. - -5. Licensing - -OpenOCD is licensed under the terms of the GNU General Public License, see the -file COPYING for details. - + OpenOCD
+
+ Free and Open On-Chip Debugging, In-System Programming
+ and Boundary-Scan Testing
+ Copyright (c) 2004-2007 Dominic Rath
+
+The debugger uses an IEEE 1149-1 compliant JTAG TAP bus master to access on-chip
+debug functionality available on ARM7 and ARM9 based microcontrollers /
+system-on-chip solutions.
+
+User interaction is realized through a telnet command line interface and a gdb
+(The GNU Debugger) remote protocol server.
+
+1. JTAG hardware
+
+Currently, OpenOCD supports the following JTAG interfaces:
+
+- Parallel port wigglers. These devices connect to a PC's parallel port,
+providing direct access to the JTAG lines. The OpenOCD contains descriptions
+of a few Wiggler layouts, including the original 'Wiggler' design. Other
+layouts (i.e. mapping of parallel port pins to JTAG lines) can be added easily.
+Typical Wiggler speeds are around 12kByte/s code download to an ARM7's RAM.
+
+The list of supported parallel port devices includes:
+
+ * Macraigor Wiggler JTAG cable
+ * Gateworks GW16012 JTAG programmer
+ * Xilinx DLC5 JTAG parallel cable III
+ * Ka-Ro TRITON starterkit II JTAG cable
+ * Lattice parallel port JTAG cable
+ * ST FlashLINK programming cable
+
+- The Amontec JTAG Accelerator. This is a configuration for Amontec's Chameleon
+dongle, a parallel port interface based on a Xilinx CoolRunner CPLD. It uses
+the IEEE1284 EPP parallel port specification, providing many times the
+performance achievable with wiggler-style devices. Additional information is
+available on www.amontec.com.
+Typical JTAG Accelerator speeds are around 120-160kByte/s to an ARM7's RAM.
+
+- FTDI FT2232 based USB devices. The FT2232 (but not FT232 or FT245) features a
+multi-protocol synchronous serial engine (MPSSE) that can be used to run the
+serial JTAG protocol. There are several implemenations of FT2232 based devices:
+
+* USBJTAG: http://www.fh-augsburg.de/~hhoegl/proj/usbjtag/usbjtag.html
+The USBJTAG was designed by Prof. Hubert Hoegl to provide a high-speed USB
+interface for use with the OpenOCD. Schematics are available at the USBJTAG
+website, and a homebrew device can easily be built using the FTDI evaluation
+module DLP2232M.
+
+* OOCD-Link: http://www.joernonline.de/dw/doku.php?id=en:projects:oocdlink
+Similar to the USBJTAG, this design comes with free schematics, too.
+
+* Amontec JTAGkey: www.amontec.com
+The Amontec JTAGkey offers support for a wide variety of target voltages from
+1.4V to 5V. It also allows the JTAG lines and reset signals to be tri-stated,
+allowing easy interfacing with a wide variety of targets.
+
+* Amontec JTAGkey-Tiny: www.amontec.com
+The Amontec JTAGkey offers support for a wide variety of target voltages from
+2.8V to 5V. It also allows the reset signals to be tri-stated, allowing easy
+interfacing with a wide variety of targets.
+
+* Olimex ARM-USB-OCD: www.olimex.com
+The Olimex ARM-USB-OCD offers support for a wide vriety of target voltages from
+2.0V to 5V. It also allows targets to be powered from the ARM-USB-OCD and
+features and additional RS232 UART.
+
+* eVerve Signalyzer: www.signalyzer.com
+The Signalyzer offers support for a wide variety of target voltages from 1.2V to
+5.5V. A second connector provides access to a TTL level UART.
+
+* TinCanTools 'Flyswatter' USB JTAG programmer.
+
+* Turtelizer 2: http://www.ethernut.de/en/hardware/turtelizer/index.html
+Another USB JTAG programmer, with freely available schematics. It supports
+target voltages from 1.65V to 5.5V.
+
+* Hitex STR9-comSTICK: http://www.ehitex.de/p_info.php?products_id=292
+A STR912FW44x microcontroller "board" with USB and JTAG functionality.
+
+* Luminary Micro development board evb_lm3s811 JTAG interface.
+
+* ASIX PRESTO: http://www.asix-tools.com/prg_presto.htm
+The ASIX PRESTO is a USB JTAG programmer for a wide range of components, e.g.
+microcontrollers, serial EEPROM and Flash memory chips, CPLDs and others.
+
+* usbprog: http://www.embedded-projects.net/index.php?page_id=165
+The usbprog is a freely programmable USB adapter, which can (among other
+things) use a firmware which turns it into a JTAG programmer/debugger.
+
+All FT2232 based devices may be accessed using either FTDI's proprietary FTD2XX
+library (www.ftdichip.com) or using an open-source replacement from
+http://www.intra2net.com/de/produkte/opensource/ftdi/index.php, also included
+with many Linux distributions.
+
+2. Supported cores
+
+This version of openocd supports the following ARM7/9 cores:
+
+- ARM7TDMI(-s)
+- ARM9TDMI
+- ARM920t
+- ARM922t
+- ARM926ej-s
+- ARM966e
+- Cortex-M3
+
+Support for Intel XScale CPUs is also included:
+
+- PXA25x
+- PXA27x
+- IXP42x
+
+And support for the Marvell Feroceon CPU core as found in the
+Orion SOC family is included as well.
+
+3. Host platforms
+
+OpenOCD was originally developed on x86-Linux, but has since then been ported
+to run on Windows/Cygwin, native Windows with MinGW, FreeBSD, IA64-Linux,
+AMD64-Linux, Alpha-Linux, ARM-Linux, and PowerPC OS-X.
+
+4. Documentation
+
+Documentation for the OpenOCD is hosted in the Berlios OpenFacts Wiki at
+http://openfacts.berlios.de/index-en.phtml?title=Open_On-Chip_Debugger.
+
+5. Licensing
+
+OpenOCD is licensed under the terms of the GNU General Public License, see the
+file COPYING for details.
+
diff --git a/doc/openocd.texi b/doc/openocd.texi index d19a09ee..e42c33cb 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -1,1911 +1,1912 @@ -\input texinfo @c -*-texinfo-*- -@c %**start of header -@setfilename openocd.info -@settitle Open On-Chip Debugger (openocd) -@c %**end of header - -@include version.texi - -@titlepage -@title Open On-Chip Debugger (openocd) -@subtitle Edition @value{EDITION} for openocd version @value{VERSION} -@subtitle @value{UPDATED} -@page -@vskip 0pt plus 1filll -@end titlepage - -@contents - -@node Top, About, , (dir) -@top OpenOCD - -This is edition @value{EDITION} of the openocd manual for version -@value{VERSION}, @value{UPDATED} - -@menu -* About:: About Openocd. -* Developers:: -* Building:: Building Openocd -* Running:: Running Openocd -* Configuration:: Openocd Configuration. -* Commands:: Openocd Commands -* Sample Scripts:: Sample Target Scripts -* GDB and Openocd:: Using GDB and Openocd -* FAQ:: Frequently Asked Questions -* License:: GNU Free Documentation License -* Index:: Main index. -@end menu - -@node About -@unnumbered About -@cindex about - -The Open On-Chip Debugger (openocd) aims to provide debugging, in-system programming -and boundary-scan testing for embedded target devices. The targets are interfaced -using JTAG (IEEE 1149.1) compliant hardware, but this may be extended to other -connection types in the future. - -Openocd currently supports Wiggler (clones), FTDI FT2232 based JTAG interfaces, the -Amontec JTAG Accelerator, and the Gateworks GW1602. It allows ARM7 (ARM7TDMI and ARM720t), -ARM9 (ARM920t, ARM922t, ARM926ej--s, ARM966e--s), XScale (PXA25x, IXP42x) and -Cortex-M3 (Luminary Stellaris LM3 and ST STM32) based cores to be debugged. - -Flash writing is supported for external CFI compatible flashes (Intel and AMD/Spansion -command set) and several internal flashes (LPC2000, AT91SAM7, STR7x, STR9x, LM3 -and STM32x). Preliminary support for using the LPC3180's NAND flash controller is included. - -@node Developers -@chapter Developers -@cindex developers - -Openocd has been created by Dominic Rath as part of a diploma thesis written at the -University of Applied Sciences Augsburg (@uref{http://www.fh-augsburg.de}). -Others interested in improving the state of free and open debug and testing technology -are welcome to participate. - -Other developers have contributed support for additional targets and flashes as well -as numerous bugfixes and enhancements. See the AUTHORS file for regular contributors. - -@node Building -@chapter Building -@cindex building openocd - -You can download the current SVN version with SVN client of your choice from the -following repositories: - - (@uref{svn://svn.berlios.de/openocd/trunk}) - -or - - (@uref{http://svn.berlios.de/svnroot/repos/openocd/trunk}) - -Using the SVN command line client, you could use the following command to fetch the -latest version (make sure there is no (non-svn) directory called "openocd" in the -current directory): - -@smallexample - svn checkout svn://svn.berlios.de/openocd/trunk -@end smallexample - -Building the OpenOCD requires a recent version of the GNU autotools. -On my build system, I'm using autoconf 2.13 and automake 1.9. For building on Windows, -you have to use Cygwin. Make sure that your @env{PATH} environment variable contains no -other locations with Unix utils (like UnxUtils) - these can't handle the Cygwin -paths, resulting in obscure dependency errors (This is an observation I've gathered -from the logs of one user - correct me if I'm wrong). - -You further need the appropriate driver files, if you want to build support for -a FTDI FT2232 based interface: -@itemize @bullet -@item @b{ftdi2232} libftdi (@uref{http://www.intra2net.com/opensource/ftdi/}) -@item @b{ftd2xx} libftd2xx (@uref{http://www.ftdichip.com/Drivers/D2XX.htm}) -@item When using the Amontec JTAGkey, you have to get the drivers from the Amontec -homepage (@uref{www.amontec.com}), as the JTAGkey uses a non-standard VID/PID. -@end itemize - -Please note that the ftdi2232 variant (using libftdi) isn't supported under Cygwin. -You have to use the ftd2xx variant (using FTDI's D2XX) on Cygwin. - -In general, the D2XX driver provides superior performance (several times as fast), -but has the draw-back of being binary-only - though that isn't as worse, as it isn't -a kernel module, only a user space library. - -To build OpenOCD (on both Linux and Cygwin), use the following commands: -@smallexample - ./bootstrap -@end smallexample -Bootstrap generates the configure script, and prepares building on your system. -@smallexample - ./configure -@end smallexample -Configure generates the Makefiles used to build OpenOCD -@smallexample - make -@end smallexample -Make builds the OpenOCD, and places the final executable in ./src/ - -The configure script takes several options, specifying which JTAG interfaces -should be included: - -@itemize @bullet -@item ---enable-parport -@item ---enable-parport_ppdev -@item ---enable-amtjtagaccel -@item ---enable-ft2232_ftd2xx -@footnote{Using the latest D2XX drivers from FTDI and following their installation -instructions, I had to use @option{--enable-ft2232_libftd2xx} for the OpenOCD to -build properly} -@item ---enable-ft2232_libftdi -@item ---with-ftd2xx=/path/to/d2xx/ -@end itemize - -If you want to access the parallel port using the PPDEV interface you have to specify -both the @option{--enable-parport} AND the @option{--enable-parport_ppdev} option since -the @option{--enable-parport_ppdev} option actually is an option to the parport driver -(see @uref{http://forum.sparkfun.com/viewtopic.php?t=3795} for more info). - -Cygwin users have to specify the location of the FTDI D2XX package. This should be an -absolute path containing no spaces. - -Linux users should copy the various parts of the D2XX package to the appropriate -locations, i.e. /usr/include, /usr/lib. - -@node Running -@chapter Running -@cindex running openocd -@cindex --configfile -@cindex --debug_level -@cindex --logfile -@cindex --search -The OpenOCD runs as a daemon, waiting for connections from clients (Telnet or GDB). -Run with @option{--help} or @option{-h} to view the available command line arguments. - -It reads its configuration by default from the file openocd.cfg located in the current -working directory. This may be overwritten with the @option{-f <configfile>} command line -switch. - -To enable debug output (when reporting problems or working on OpenOCD itself), use -the @option{-d} command line switch. This sets the debug_level to "3", outputting -the most information, including debug messages. The default setting is "2", outputting -only informational messages, warnings and errors. You can also change this setting -from within a telnet or gdb session (@option{debug_level <n>}). - -You can redirect all output from the daemon to a file using the @option{-l <logfile>} switch. - -Search paths for config/script files can be added to openocd by using -the @option{-s <search>} switch. - -@node Configuration -@chapter Configuration -@cindex configuration -The Open On-Chip Debugger (OpenOCD) runs as a daemon, and reads it current configuration -by default from the file openocd.cfg in the current directory. A different configuration -file can be specified with the @option{-f <conf.file>} given at the openocd command line. - -The configuration file is used to specify on which ports the daemon listens for new -connections, the JTAG interface used to connect to the target, the layout of the JTAG -chain, the targets that should be debugged, and connected flashes. - -@section Daemon configuration - -@itemize @bullet -@item @b{telnet_port} <@var{number}> -@cindex telnet_port -Port on which to listen for incoming telnet connections -@item @b{gdb_port} <@var{number}> -@cindex gdb_port -First port on which to listen for incoming GDB connections. The GDB port for the -first target will be gdb_port, the second target will listen on gdb_port + 1, and so on. -@item @b{gdb_detach} <@var{resume|reset|halt|nothing}> -@cindex gdb_detach -Configures what openocd will do when gdb detaches from the daeman. -Default behaviour is <@var{resume}> -@item @b{gdb_memory_map} <@var{enable|disable}> -@cindex gdb_memory_map -Set to <@var{enable}> so that openocd will send the memory configuration to gdb when -requested. gdb will then know when to set hardware breakpoints, and program flash -using the gdb load command. @option{gdb_flash_program enable} will also need enabling -for flash programming to work. -Default behaviour is <@var{disable}> -@item @b{gdb_flash_program} <@var{enable|disable}> -@cindex gdb_flash_program -Set to <@var{enable}> so that openocd will program the flash memory when a -vFlash packet is received. -Default behaviour is <@var{disable}> -@item @b{daemon_startup} <@var{mode}> either @samp{attach} or @samp{reset} -@cindex daemon_startup -Tells the OpenOCD whether it should reset the target when the daemon is launched, or -if it should just attach to the target. -@end itemize - -@section JTAG interface configuration - -@itemize @bullet -@item @b{interface} <@var{name}> -@cindex interface -Use the interface driver <@var{name}> to connect to the target. Currently supported -interfaces are -@itemize @minus -@item parport -PC parallel port bit-banging (Wigglers, PLD download cable, ...) -@end itemize -@itemize @minus -@item amt_jtagaccel -Amontec Chameleon in its JTAG Accelerator configuration connected to a PC's EPP -mode parallel port -@end itemize -@itemize @minus -@item ft2232 -FTDI FT2232 based devices using either the open-source libftdi or the binary only -FTD2XX driver. The FTD2XX is superior in performance, but not available on every -platform. The libftdi uses libusb, and should be portable to all systems that provide -libusb. -@end itemize -@itemize @minus -@item ep93xx -Cirrus Logic EP93xx based single-board computer bit-banging (in development) -@end itemize -@end itemize - -@itemize @bullet -@item @b{jtag_speed} <@var{number}> -@cindex jtag_speed -Limit the maximum speed of the JTAG interface. Usually, a value of zero means maximum -speed. The actual effect of this option depends on the JTAG interface used. - -@itemize @minus -@item wiggler: maximum speed / @var{number} -@item ft2232: 6MHz / (@var{number}+1) -@item amt jtagaccel: 8 / 2**@var{number} -@end itemize - -Note: Make sure the jtag clock is no more than @math{1/6th × CPU-Clock}. This is -especially true for synthesized cores (-S). - -@item @b{reset_config} <@var{signals}> [@var{combination}] [@var{trst_type}] [@var{srst_type}] -@cindex reset_config -The configuration of the reset signals available on the JTAG interface AND the target. -If the JTAG interface provides SRST, but the target doesn't connect that signal properly, -then OpenOCD can't use it. <@var{signals}> can be @samp{none}, @samp{trst_only}, -@samp{srst_only} or @samp{trst_and_srst}. -[@var{combination}] is an optional value specifying broken reset signal implementations. -@samp{srst_pulls_trst} states that the testlogic is reset together with the reset of -the system (e.g. Philips LPC2000, "broken" board layout), @samp{trst_pulls_srst} says -that the system is reset together with the test logic (only hypothetical, I haven't -seen hardware with such a bug, and can be worked around). - -The [@var{trst_type}] and [@var{srst_type}] parameters allow the driver type of the -reset lines to be specified. Possible values are @samp{trst_push_pull} (default) -and @samp{trst_open_drain} for the test reset signal, and @samp{srst_open_drain} -(default) and @samp{srst_push_pull} for the system reset. These values only affect -JTAG interfaces with support for different drivers, like the Amontec JTAGkey and JTAGAccelerator. - -@item @b{jtag_device} <@var{IR length}> <@var{IR capture}> <@var{IR mask}> <@var{IDCODE instruction}> -@cindex jtag_device -Describes the devices that form the JTAG daisy chain, with the first device being -the one closest to TDO. The parameters are the length of the instruction register -(4 for all ARM7/9s), the value captured during Capture-IR (0x1 for ARM7/9), and a mask -of bits that should be validated when doing IR scans (all four bits (0xf) for ARM7/9). -The IDCODE instruction will in future be used to query devices for their JTAG -identification code. This line is the same for all ARM7 and ARM9 devices. -Other devices, like CPLDs, require different parameters. An example configuration -line for a Xilinx XC9500 CPLD would look like this: -@smallexample -jtag_device 8 0x01 0x0e3 0xfe -@end smallexample -The instruction register (IR) is 8 bits long, during Capture-IR 0x01 is loaded into -the IR, but only bits 0-1 and 5-7 should be checked, the others (2-4) might vary. -The IDCODE instruction is 0xfe. - -@item @b{jtag_nsrst_delay} <@var{ms}> -@cindex jtag_nsrst_delay -How long (in miliseconds) the OpenOCD should wait after deasserting nSRST before -starting new JTAG operations. -@item @b{jtag_ntrst_delay} <@var{ms}> -@cindex jtag_ntrst_delay -How long (in miliseconds) the OpenOCD should wait after deasserting nTRST before -starting new JTAG operations. - -The jtag_n[st]rst_delay options are useful if reset circuitry (like a reset supervisor, -or on-chip features) keep a reset line asserted for some time after the external reset -got deasserted. -@end itemize - -@section parport options - -@itemize @bullet -@item @b{parport_port} <@var{number}> -@cindex parport_port -Either the address of the I/O port (default: 0x378 for LPT1) or the number of -the @file{/dev/parport} device - -When using PPDEV to access the parallel port, use the number of the parallel port: -@option{parport_port 0} (the default). If @option{parport_port 0x378} is specified -you may encounter a problem. -@item @b{parport_cable} <@var{name}> -@cindex parport_cable -The layout of the parallel port cable used to connect to the target. -Currently supported cables are -@itemize @minus -@item wiggler -@cindex wiggler -Original Wiggler layout, also supported by several clones, such -as the Olimex ARM-JTAG -@item old_amt_wiggler -@cindex old_amt_wiggler -The Wiggler configuration that comes with Amontec's Chameleon Programmer. The new -version available from the website uses the original Wiggler layout ('@var{wiggler}') -@item chameleon -@cindex chameleon -Describes the connection of the Amontec Chameleon's CPLD when operated in -configuration mode. This is only used to program the Chameleon itself, not -a connected target. -@item dlc5 -@cindex dlc5 -Xilinx Parallel cable III. -@item triton -@cindex triton -The parallel port adapter found on the 'Karo Triton 1 Development Board'. -This is also the layout used by the HollyGates design -(see @uref{http://www.lartmaker.nl/projects/jtag/}). -@item flashlink -@cindex flashlink -ST Parallel cable. -@end itemize -@item @b{parport_write_on_exit} <@var{on|off}> -@cindex parport_write_on_exit -This will configure the parallel driver to write a known value to the parallel -interface on exiting openocd -@end itemize - -@section amt_jtagaccel options -@itemize @bullet -@item @b{parport_port} <@var{number}> -@cindex parport_port -Either the address of the I/O port (default: 0x378 for LPT1) or the number of the -@file{/dev/parport} device -@end itemize -@section ft2232 options - -@itemize @bullet -@item @b{ft2232_device_desc} <@var{description}> -@cindex ft2232_device_desc -The USB device description of the FTDI FT2232 device. If not specified, the FTDI -default value is used. This setting is only valid if compiled with FTD2XX support. -@item @b{ft2232_layout} <@var{name}> -@cindex ft2232_layout -The layout of the FT2232 GPIO signals used to control output-enables and reset -signals. Valid layouts are -@itemize @minus -@item usbjtag -The "USBJTAG-1" layout described in the original OpenOCD diploma thesis -@item jtagkey -Amontec JTAGkey and JTAGkey-tiny -@item signalyzer -Signalyzer -@item olimex-jtag -Olimex ARM-USB-OCD -@item m5960 -American Microsystems M5960 -@item evb_lm3s811 -Luminary Micro EVB_LM3S811 as a JTAG interface (not onboard processor), no TRST or -SRST signals on external connector -@item comstick -Hitex STR9 comstick -@item stm32stick -Hitex STM32 Performance Stick -@item flyswatter -Tin Can Tools Flyswatter -@item turtelizer2 -egnite Software turtelizer2 -@item oocdlink -OOCDLink -@end itemize - -@item @b{ft2232_vid_pid} <@var{vid}> <@var{pid}> -The vendor ID and product ID of the FTDI FT2232 device. If not specified, the FTDI -default values are used. This command is not available on Windows. -@item @b{ft2232_latency} <@var{ms}> -On some systems using ft2232 based JTAG interfaces the FT_Read function call in -ft2232_read() fails to return the expected number of bytes. This can be caused by -USB communication delays and has proved hard to reproduce and debug. Setting the -FT2232 latency timer to a larger value increases delays for short USB packages but it -also reduces the risk of timeouts before receiving the expected number of bytes. -The OpenOCD default value is 2 and for some systems a value of 10 has proved useful. -@end itemize - -@section ep93xx options -@cindex ep93xx options -Currently, there are no options available for the ep93xx interface. - -@page -@section Target configuration - -@itemize @bullet -@item @b{target} <@var{type}> <@var{endianess}> <@var{reset_mode}> <@var{JTAG pos}> -<@var{variant}> -@cindex target -Defines a target that should be debugged. Currently supported types are: -@itemize @minus -@item arm7tdmi -@item arm720t -@item arm9tdmi -@item arm920t -@item arm922t -@item arm926ejs -@item arm966e -@item cortex_m3 -@item xscale -@end itemize - -If you want to use a target board that is not on this list, see Adding a new -target board - -Endianess may be @option{little} or @option{big}. - -The reset_mode specifies what should happen to the target when a reset occurs: -@itemize @minus -@item reset_halt -@cindex reset_halt -Immediately request a target halt after reset. This allows targets to be debugged -from the very first instruction. This is only possible with targets and JTAG -interfaces that correctly implement the reset signals. -@item reset_init -@cindex reset_init -Similar to @option{reset_halt}, but executes the script file defined to handle the -'reset' event for the target. Like @option{reset_halt} this only works with -correct reset implementations. -@item reset_run -@cindex reset_run -Simply let the target run after a reset. -@item run_and_halt -@cindex run_and_halt -Let the target run for some time (default: 1s), and then request halt. -@item run_and_init -@cindex run_and_init -A combination of @option{reset_init} and @option{run_and_halt}. The target is allowed -to run for some time, then halted, and the @option{reset} event script is executed. -@end itemize - -On JTAG interfaces / targets where system reset and test-logic reset can't be driven -completely independent (like the LPC2000 series), or where the JTAG interface is -unavailable for some time during startup (like the STR7 series), you can't use -@option{reset_halt} or @option{reset_init}. - -@item @b{target_script} <@var{target#}> <@var{event}> <@var{script_file}> -@cindex target_script -Event is either @option{reset}, @option{post_halt}, @option{pre_resume} or @option{gdb_program_config} - -TODO: describe exact semantic of events -@item @b{run_and_halt_time} <@var{target#}> <@var{time_in_ms}> -@cindex run_and_halt_time -The amount of time the debugger should wait after releasing reset before it asserts -a debug request. This is used by the @option{run_and_halt} and @option{run_and_init} -reset modes. -@item @b{working_area} <@var{target#}> <@var{address}> <@var{size}> -<@var{backup}|@var{nobackup}> -@cindex working_area -Specifies a working area for the debugger to use. This may be used to speed-up -downloads to target memory and flash operations, or to perform otherwise unavailable -operations (some coprocessor operations on ARM7/9 systems, for example). The last -parameter decides whether the memory should be preserved <@var{backup}>. If possible, use -a working_area that doesn't need to be backed up, as that slows down operation. -@end itemize - -@subsection arm7tdmi options -@cindex arm7tdmi options -target arm7tdmi <@var{endianess}> <@var{reset_mode}> <@var{jtag#}> -The arm7tdmi target definition requires at least one additional argument, specifying -the position of the target in the JTAG daisy-chain. The first JTAG device is number 0. -The optional [@var{variant}] parameter has been removed in recent versions. -The correct feature set is determined at runtime. - -@subsection arm720t options -@cindex arm720t options -ARM720t options are similar to ARM7TDMI options. - -@subsection arm9tdmi options -@cindex arm9tdmi options -ARM9TDMI options are similar to ARM7TDMI options. Supported variants are -@option{arm920t}, @option{arm922t} and @option{arm940t}. -This enables the hardware single-stepping support found on these cores. - -@subsection arm920t options -@cindex arm920t options -ARM920t options are similar to ARM9TDMI options. - -@subsection arm966e options -@cindex arm966e options -ARM966e options are similar to ARM9TDMI options. - -@subsection xscale options -@cindex xscale options -Supported variants are @option{ixp42x}, @option{ixp45x}, @option{ixp46x}, -@option{pxa250}, @option{pxa255}, @option{pxa26x}. - -@section Flash configuration -@cindex Flash configuration - -@itemize @bullet -@item @b{flash bank} <@var{driver}> <@var{base}> <@var{size}> <@var{chip_width}> -<@var{bus_width}> <@var{target#}> [@var{driver_options ...}] -@cindex flash bank -Configures a flash bank at <@var{base}> of <@var{size}> bytes and <@var{chip_width}> -and <@var{bus_width}> bytes using the selected flash <driver>. - -@item @b{flash auto_erase} <@option{on}|@option{off}> -@cindex flash auto_erase -auto erase flash banks prior to writing. Currently only works when using -@option{flash write_image} command. Default is @option{off}. -@end itemize - -@subsection lpc2000 options -@cindex lpc2000 options - -@b{flash bank lpc2000} <@var{base}> <@var{size}> 0 0 <@var{target#}> <@var{variant}> -<@var{clock}> [@var{calc_checksum}] -LPC flashes don't require the chip and bus width to be specified. Additional -parameters are the <@var{variant}>, which may be @var{lpc2000_v1} (older LPC21xx and LPC22xx) -or @var{lpc2000_v2} (LPC213x, LPC214x, LPC210[123], LPC23xx and LPC24xx), the number -of the target this flash belongs to (first is 0), the frequency at which the core -is currently running (in kHz - must be an integral number), and the optional keyword -@var{calc_checksum}, telling the driver to calculate a valid checksum for the exception -vector table. - -@subsection cfi options -@cindex cfi options - -@b{flash bank cfi} <@var{base}> <@var{size}> <@var{chip_width}> <@var{bus_width}> -<@var{target#}> -CFI flashes require the number of the target they're connected to as an additional -argument. The CFI driver makes use of a working area (specified for the target) -to significantly speed up operation. - -@var{chip_width} and @var{bus_width} are specified in bytes. - -@subsection at91sam7 options -@cindex at91sam7 options - -@b{flash bank at91sam7} 0 0 0 0 <@var{target#}> -AT91SAM7 flashes only require the @var{target#}, all other values are looked up after -reading the chip-id and type. - -@subsection str7 options -@cindex str7 options - -@b{flash bank str7x} <@var{base}> <@var{size}> 0 0 <@var{target#}> <@var{variant}> -variant can be either STR71x, STR73x or STR75x. - -@subsection str9 options -@cindex str9 options - -@b{flash bank str9x} <@var{base}> <@var{size}> 0 0 <@var{target#}> -The str9 needs the flash controller to be configured prior to Flash programming, eg. -@smallexample -str9x flash_config 0 4 2 0 0x80000 -@end smallexample -This will setup the BBSR, NBBSR, BBADR and NBBADR registers respectively. - -@subsection str9 options (str9xpec driver) - -@b{flash bank str9xpec} <@var{base}> <@var{size}> 0 0 <@var{target#}> -Before using the flash commands the turbo mode will need enabling using str9xpec -@option{enable_turbo} <@var{num>.} - -Only use this driver for locking/unlocking the device or configuring the option bytes. -Use the standard str9 driver for programming. - -@subsection stellaris (LM3Sxxx) options -@cindex stellaris (LM3Sxxx) options - -@b{flash bank stellaris} <@var{base}> <@var{size}> 0 0 <@var{target#}> -stellaris flash plugin only require the @var{target#}. - -@subsection stm32x options -@cindex stm32x options - -@b{flash bank stm32x} <@var{base}> <@var{size}> 0 0 <@var{target#}> -stm32x flash plugin only require the @var{target#}. - -@node Commands -@chapter Commands -@cindex commands - -The Open On-Chip Debugger (OpenOCD) allows user interaction through a telnet interface -(default: port 4444) and a GDB server (default: port 3333). The command line interpreter -is available from both the telnet interface and a GDB session. To issue commands to the -interpreter from within a GDB session, use the @option{monitor} command, e.g. use -@option{monitor poll} to issue the @option{poll} command. All output is relayed through the -GDB session. - -@section Daemon - -@itemize @bullet -@item @b{sleep} <@var{msec}> -@cindex sleep -Wait for n milliseconds before resuming. Useful in connection with script files -(@var{script} command and @var{target_script} configuration). - -@item @b{shutdown} -@cindex shutdown -Close the OpenOCD daemon, disconnecting all clients (GDB, Telnet). - -@item @b{debug_level} [@var{n}] -@cindex debug_level -Display or adjust debug level to n<0-3> - -@item @b{log_output} <@var{file}> -@cindex log_output -Redirect logging to <file> (default: stderr) - -@item @b{script} <@var{file}> -@cindex script -Execute commands from <file> - -@end itemize - -@subsection Target state handling -@itemize @bullet -@item @b{poll} [@option{on}|@option{off}] -@cindex poll -Poll the target for its current state. If the target is in debug mode, architecture -specific information about the current state are printed. An optional parameter -allows continuous polling to be enabled and disabled. - -@item @b{halt} [@option{ms}] -@cindex halt -Send a halt request to the target and waits for it to halt for [@option{ms}]. -Default [@option{ms}] is 5 seconds if no arg given. -Optional arg @option{ms} is a timeout in milliseconds. Using 0 as the [@option{ms}] -will stop openocd from waiting. - -@item @b{wait_halt} [@option{ms}] -@cindex wait_halt -Wait for the target to enter debug mode. Optional [@option{m |