+++ W. Martin Borgert [2010-08-05 14:21 +0200]: > Quoting "W. Martin Borgert" <[email protected]>: >> I need to use an in-system programmer for certain ARM-based >> microcontrollers. > > Maybe I should add that the main target is AT91SAM9G20.
OpenOCD has support for this device. I don't know how good it is in any detail, but bit in general the AT91SAM series ahas been well-supported. Current code has: an interfce spec: /usr/share/openocd/scripts/interface/at91rm9200.cfg which appears to allow direct GPIO access without a conventional JTAG dongle. And it's used as an example in the manual which is a good sign: http://openocd.berlios.de/doc/html/CPU-Configuration.html#CPU-Configuration Chip/CPU support is not the same as board support for the board it is on, including such details of how any NOR/NAND chips are memory-mapped, whether NOR is CFI compatible, reset timings, what other decices are in the JTAG chain, and how the JTAG/GPIO ports are wired up. If it is your own board you wil need to make a config file specifying that stuff. If ou have CPLD/FPGAs on your board you will find that support is limited, but a few chips are specified and it's fairly easy to add more. OpenOCD is very cool and can be driven entirely from the command line, or down a telnet/nc connection to a port. There is another port for the GDB connection. One thing it is missing is simple brain-dead boundary-scan and a fancy GUI like XJTAG, but these things will no doubt come. Wookey -- Principal hats: Linaro, Emdebian, Wookware, Balloonboard, ARM http://wookware.org/ -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
