This is an automated email from Gerrit. Matthew Mets ([email protected]) just uploaded a new patch set to Gerrit, which you can find at http://openocd.zylin.com/6376
-- gerrit commit 77dfd5d4f5b78f9e463181c06bbee129e8e9aad2 Author: Matthew Mets <[email protected]> Date: Thu Jul 22 01:25:15 2021 +0200 drivers/bcm2835: Add documentation for bcm2835 interface This adds documentation for the bcm2835 interface configuration parameters to the user manual. Documentation format is based on the FTDI interface section, and was taken from the descriptions in the driver source code. Change-Id: I77b09b8bd44d8e8fe9cc5fb9de3c3a30550d943c Signed-off-by: Matthew Mets <[email protected]> diff --git a/doc/openocd.texi b/doc/openocd.texi index b495505..e00e9bb 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -3197,6 +3197,60 @@ 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 bch2835gpio_jtag_nums. +"[tck]", +@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 bch2835gpio_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 bch2835gpio_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 bch2835gpio_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 bch2835gpio_swd_nums. +"[swclk]", +@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 bch2835gpio_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} --
