diff options
| author | Steve Marple <stevemarple@googlemail.com> | 2022-04-18 23:27:22 +0100 |
|---|---|---|
| committer | Antonio Borneo <borneo.antonio@gmail.com> | 2022-05-14 08:59:30 +0000 |
| commit | bd4bd54b60b3297b746d3d5379f25d54846ce517 (patch) | |
| tree | 4b3bed53e4a4b13c22bf05da7bb333de78648ffd /tcl | |
| parent | 0b241ca042b1376efdcaacc52a798a20a0d9fc2a (diff) | |
| download | riscv-openocd-bd4bd54b60b3297b746d3d5379f25d54846ce517.zip riscv-openocd-bd4bd54b60b3297b746d3d5379f25d54846ce517.tar.gz riscv-openocd-bd4bd54b60b3297b746d3d5379f25d54846ce517.tar.bz2 | |
drivers/am335xgpio: Add AM335x driver for bitbang support on BeagleBones
Change-Id: Iac1c9f3d380e2474c8b77407c89c2aad96fbf2ea
Signed-off-by: Steve Marple <stevemarple@googlemail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6941
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Diffstat (limited to 'tcl')
| -rw-r--r-- | tcl/interface/beaglebone-jtag-native.cfg | 28 | ||||
| -rw-r--r-- | tcl/interface/beaglebone-swd-native.cfg | 29 |
2 files changed, 57 insertions, 0 deletions
diff --git a/tcl/interface/beaglebone-jtag-native.cfg b/tcl/interface/beaglebone-jtag-native.cfg new file mode 100644 index 0000000..cd32ca4 --- /dev/null +++ b/tcl/interface/beaglebone-jtag-native.cfg @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# BeagleBone native GPIO interface for JTAG +# +# This is best used with a fast buffer but it is also suitable for a direct +# connection if the target voltage matches the host's IO voltage (typically +# 3.3V) and the cable is short. +# +# DO NOT APPLY VOLTAGE TO THE GPIO PINS UNTIL SYS_RESETN IS HIGH. +# +# Do not forget the GND connection. + +adapter driver am335xgpio + +# Transition delay calculation: SPEED_COEFF/khz - SPEED_OFFSET +# These depend on the system clock, calibrated for stock 1 GHz BeagleBoneBlack +# am335xgpio speed SPEED_COEFF SPEED_OFFSET +am335xgpio speed_coeffs 600000 575 + +am335xgpio tdo_num 20 +am335xgpio tdi_num 60 +am335xgpio tms_num 4 +am335xgpio tck_num 2 + +am335xgpio led_num 51 +am335xgpio led_on_state on + +am335xgpio srst_num 65 +reset_config srst_only srst_push_pull diff --git a/tcl/interface/beaglebone-swd-native.cfg b/tcl/interface/beaglebone-swd-native.cfg new file mode 100644 index 0000000..f7bff6e --- /dev/null +++ b/tcl/interface/beaglebone-swd-native.cfg @@ -0,0 +1,29 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# BeagleBone native GPIO interface for SWD +# +# This is best used with a fast buffer but it is also suitable for a direct +# connection if the target voltage matches the host's IO voltage (typically +# 3.3V) and the cable is short. +# +# DO NOT APPLY VOLTAGE TO THE GPIO PINS UNTIL SYS_RESETN IS HIGH. +# +# Do not forget the GND connection. + +adapter driver am335xgpio + +# Transition delay calculation: SPEED_COEFF/khz - SPEED_OFFSET +# These depend on the system clock, calibrated for stock 1 GHz BeagleBoneBlack +# am335xgpio speed SPEED_COEFF SPEED_OFFSET +am335xgpio speed_coeffs 600000 575 + +am335xgpio swclk_num 2 +am335xgpio swdio_num 4 +am335xgpio swdio_dir_num 60 +am335xgpio swdio_dir_output_state on + +# USR0 LED +am335xgpio led_num 53 +am335xgpio led_on_state on + +am335xgpio srst_num 65 +reset_config srst_only srst_push_pull |