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interface/ftdi: add TUMPA Lite config 

TUMPA Lite is a cheap FT232H-based breakout board, without any
buffering. It also lacks series resistors so for some targets
(especially when not using ridiculously short wires) one needs to add
about 47 Ohms in series on every high-speed line.

The SRST line is connected directly to the FT232H too.

Real-life tested (including SRST and TRST).

Change-Id: I5ed4f88d8d20384e9c52efe2ff0c290e2650d43e
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/1918
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Paul Fertser 2014-02-02 13:04:41 +04:00 committed by Spencer Oliver
parent 3feac9a740
commit 698eaf9896
2 changed files with 16 additions and 0 deletions
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4
contrib/openocd.udev
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@ -80,6 +80,10 @@ ATTRS{idVendor}=="1457", ATTRS{idProduct}=="5118", MODE="664", GROUP="plugdev"
# XDS100v2
ATTRS{idVendor}=="0403", ATTRS{idProduct}=="a6d0", MODE="664", GROUP="plugdev"
# TUMPA, TUMPA Lite
ATTRS{idVendor}=="0403", ATTRS{idProduct}=="8a98", MODE="664", GROUP="plugdev"
ATTRS{idVendor}=="0403", ATTRS{idProduct}=="8a99", MODE="664", GROUP="plugdev"
# stlink v1
ATTRS{idVendor}=="0483", ATTRS{idProduct}=="3744", MODE="664", GROUP="plugdev"

12
tcl/interface/ftdi/tumpa-lite.cfg Normal file
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@ -0,0 +1,12 @@
#
# TIAO USB Multi-Protocol Adapter (TUMPA) Lite
#
# http://www.diygadget.com/tiao-usb-multi-protocol-adapter-lite-jtag-spi-i2c-serial.html
#
interface ftdi
ftdi_vid_pid 0x0403 0x8a99
ftdi_layout_init 0x0038 0x087b
ftdi_layout_signal nTRST -data 0x0020 -oe 0x0020
ftdi_layout_signal nSRST -data 0x0010 -oe 0x0010