tcl/interface/raspberrypi2-native.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #
   4 # Config for using Raspberry Pi's expansion header
   5 #
   6 # This is best used with a fast enough buffer but also
   7 # is suitable for direct connection if the target voltage
   8 # matches RPi's 3.3V and the cable is short enough.
   9 #
  10 # Do not forget the GND connection, pin 6 of the expansion header.
  11 #
  12
  13 adapter driver bcm2835gpio
  14
  15 bcm2835gpio peripheral_base 0x3F000000
  16
  17 # Transition delay calculation: SPEED_COEFF/khz - SPEED_OFFSET
  18 # These depend on system clock, calibrated for stock 700MHz
  19 # bcm2835gpio speed SPEED_COEFF SPEED_OFFSET
  20 bcm2835gpio speed_coeffs 146203 36
  21
  22 # Each of the JTAG lines need a gpio number set: tck tms tdi tdo
  23 # Header pin numbers: 23 22 19 21
  24 adapter gpio tck -chip 0 11
  25 adapter gpio tms -chip 0 25
  26 adapter gpio tdi -chip 0 10
  27 adapter gpio tdo -chip 0 9
  28
  29 # Each of the SWD lines need a gpio number set: swclk swdio
  30 # Header pin numbers: 23 22
  31 adapter gpio swclk -chip 0 11
  32 adapter gpio swdio -chip 0 25
  33
  34 # If you define trst or srst, use appropriate reset_config
  35 # Header pin numbers: TRST - 26, SRST - 18
  36
  37 # adapter gpio trst -chip 0 7
  38 # reset_config trst_only
  39
  40 # adapter gpio srst -chip 0 24
  41 # reset_config srst_only srst_push_pull
  42
  43 # or if you have both connected,
  44 # reset_config trst_and_srst srst_push_pull