# SPDX-License-Identifier: GPL-2.0-or-later # # Steppenprobe # https://github.com/diegoherranz/steppenprobe # adapter driver ftdi ftdi_vid_pid 0x0403 0x6010 # Initial Layout ftdi_layout_init 0x0058 0x99fb # Signal Data Direction Notes # TCK 0 1 (out) # TDI 0 1 (out) # TDO 0 0 (in) # TMS 1 1 (out) JTAG IEEE std recommendation # LED 1 1 (out) LED off # SWD_EN 0 1 (out) OpenOCD sets this high for SWD # SWDIO_OE 1 1 (out) Ext. buffer tristated # SRST 0 1 (out) Translates to nSRST=Z # Unused 0 1 (out) # GPIO_A 0 0 (in) # GPIO_B 0 0 (in) # Unused 0 1 (out) # Unused 0 1 (out) # GPIO_C 0 0 (in) # GPIO_D 0 0 (in) # Unused 0 1 (out) # Signals definition ftdi_layout_signal LED -ndata 0x0010 ftdi_layout_signal SWD_EN -data 0x0020 ftdi_layout_signal SWDIO_OE -ndata 0x0040 ftdi_layout_signal nSRST -oe 0x0080 ftdi_layout_signal GPIO_A -data 0x0200 -oe 0x0200 -input 0x0200 ftdi_layout_signal GPIO_B -data 0x0400 -oe 0x0400 -input 0x0400 ftdi_layout_signal GPIO_C -data 0x2000 -oe 0x2000 -input 0x2000 ftdi_layout_signal GPIO_D -data 0x4000 -oe 0x4000 -input 0x4000