diff --git a/doc/openocd.texi b/doc/openocd.texi index 8f372a1a2..3aee034a4 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -3197,6 +3197,73 @@ configuration on exit. See @file{interface/raspberrypi-native.cfg} for a sample config and pinout. +@deffn {Config Command} {bcm2835gpio_jtag_nums} @var{tck} @var{tms} @var{tdi} @var{tdo} +Set JTAG transport GPIO numbers for TCK, TMS, TDI, and TDO (in that order). +Must be specified to enable JTAG transport. These pins can also be specified +individually. +@end deffn + +@deffn {Config Command} {bcm2835gpio_tck_num} @var{tck} +Set TCK GPIO number. Must be specified to enable JTAG transport. Can also be +specified using the configuration command bcm2835gpio_jtag_nums. +@end deffn + +@deffn {Config Command} {bcm2835gpio_tms_num} @var{tms} +Set TMS GPIO number. Must be specified to enable JTAG transport. Can also be +specified using the configuration command bcm2835gpio_jtag_nums. +@end deffn + +@deffn {Config Command} {bcm2835gpio_tdo_num} @var{tdo} +Set TDO GPIO number. Must be specified to enable JTAG transport. Can also be +specified using the configuration command bcm2835gpio_jtag_nums. +@end deffn + +@deffn {Config Command} {bcm2835gpio_tdi_num} @var{tdi} +Set TDI GPIO number. Must be specified to enable JTAG transport. Can also be +specified using the configuration command bcm2835gpio_jtag_nums. +@end deffn + +@deffn {Config Command} {bcm2835gpio_swd_nums} @var{swclk} @var{swdio} +Set SWD transport GPIO numbers for SWCLK and SWDIO (in that order). Must be +specified to enable SWD transport. These pins can also be specified individually. +@end deffn + +@deffn {Config Command} {bcm2835gpio_swclk_num} @var{swclk} +Set SWCLK GPIO number. Must be specified to enable SWD transport. Can also be +specified using the configuration command bcm2835gpio_swd_nums. +@end deffn + +@deffn {Config Command} {bcm2835gpio_swdio_num} @var{swdio} +Set SWDIO GPIO number. Must be specified to enable SWD transport. Can also be +specified using the configuration command bcm2835gpio_swd_nums. +@end deffn + +@deffn {Config Command} {bcm2835gpio_swdio_dir_num} @var{swdio} @var{dir} +Set SWDIO direction control pin GPIO number. If specified, this pin can be used +to control the direction of an external buffer on the SWDIO pin (set=output +mode, clear=input mode). If not specified, this feature is disabled. +@end deffn + +@deffn {Config Command} {bcm2835gpio_srst_num} @var{srst} +Set SRST GPIO number. Must be specified to enable SRST. +@end deffn + +@deffn {Config Command} {bcm2835gpio_trst_num} @var{trst} +Set TRST GPIO number. Must be specified to enable TRST. +@end deffn + +@deffn {Config Command} {bcm2835gpio_speed_coeffs} @var{speed_coeff} @var{speed_offset} +Set SPEED_COEFF and SPEED_OFFSET for delay calculations. If unspecified, +speed_coeff defaults to 113714, and speed_offset defaults to 28. +@end deffn + +@deffn {Config Command} {bcm2835gpio_peripheral_base} @var{base} +Set the peripheral base register address to access GPIOs. For the RPi1, use +0x20000000. For RPi2 and RPi3, use 0x3F000000. For RPi4, use 0xFE000000. A full +list can be found in the +@uref{https://www.raspberrypi.org/documentation/hardware/raspberrypi/peripheral_addresses.md, official guide}. +@end deffn + @end deffn @deffn {Interface Driver} {imx_gpio}