1 # SPDX-License-Identifier: GPL-2.0-or-later
4 # ADAFRUIT FTDI FT232H as a SWD direct connect interface
5 # Any FT232H based board may work
7 # http://www.ftdichip.com/Products/ICs/FT232H.htm
13 ftdi vid_pid 0x0403 0x6014
15 # data MSB..LSB direction (1:out) MSB..LSB
16 # 0000'0000'0011'0000 0000'0000'0011'1011
17 ftdi layout_init 0x0030 0x003b
19 # Those signal are only required on some platforms or may required to be
20 # enabled explicitly (e.g. nrf5x chips).
21 ftdi layout_signal nSRST -data 0x0010 -oe 0x0010
22 ftdi layout_signal nTRST -data 0x0020 -oe 0x0020
25 ftdi layout_signal SWD_EN -data 0
26 # tri-state (configure as input) TDO/TIO when reading
27 ftdi layout_signal SWDIO_OE -data 0
31 # re-configure TDO as tri-state
32 #ftdi layout_signal TDO -data 0x0002 -oe 0x0002
33 #ftdi layout_signal TDI -data 0x0004
35 # Adafruit FT232H JTAG SWD
36 # Name Pin Name Func Func
37 # D0 J1-3 ADBUS0 TCK SWDCLK
38 # D1 J1-4 ADBUS1 TDO/DI SWDIO
39 # D2 J1-5 ADBUS2 TDI/DO SWDIO
40 # D3 J1-6 ADBUS3 TMS N/A
41 # D4 J1-7 ADBUS4 (GPIOL0) /nSRST optional module reset
42 # D5 J1-8 ADBUS5 (GPIOL1) /nTRST optional target reset
43 # D6 J1-9 ADBUS6 (GPIOL2)
44 # D7 J1-10 ADBUS7 (GPIOL3)
45 # C0 J2-1 ACBUS0 (GPIOH0)
46 # C1 J2-2 ACBUS1 (GPIOH1)
47 # C2 J2-3 ACBUS2 (GPIOH2)
48 # C3 J2-4 ACBUS3 (GPIOH3)
49 # C4 J2-5 ACBUS4 (GPIOH4)
50 # C5 J2-6 ACBUS5 (GPIOH5)
51 # C6 J2-7 ACBUS6 (GPIOH6)
52 # C7 J2-8 ACBUS7 (GPIOH7)