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| author | Matej Kogovsek <matej@hamradio.si> | 2017-09-03 12:19:41 +0200 |
|---|---|---|
| committer | Paul Fertser <fercerpav@gmail.com> | 2018-03-13 08:47:46 +0000 |
| commit | ffb93ef37134afcbed2ac958918c95d66f86b7a3 (patch) | |
| tree | 77580c0482fcd998075f6a1d69c9c9515e02422d /doc/openocd.texi | |
| parent | 6e76e56e2e34b78e4f0fad4238c2de85b1983305 (diff) | |
| download | riscv-openocd-ffb93ef37134afcbed2ac958918c95d66f86b7a3.zip riscv-openocd-ffb93ef37134afcbed2ac958918c95d66f86b7a3.tar.gz riscv-openocd-ffb93ef37134afcbed2ac958918c95d66f86b7a3.tar.bz2 | |
jtag: drivers: add support for FT232R sync bitbang JTAG interfaces
Change-Id: Ib88a9e270f5c2a50902a137bcc97fdefd5aad1c6
Signed-off-by: Matej Kogovsek <matej@hamradio.si>
Reviewed-on: http://openocd.zylin.com/4215
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Diffstat (limited to 'doc/openocd.texi')
| -rw-r--r-- | doc/openocd.texi | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 3a38a96..ce9cd3b 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -2559,6 +2559,36 @@ For example adapter definitions, see the configuration files shipped in the @end deffn +@deffn {Interface Driver} {ft232r} +This driver is implementing synchronous bitbang mode of an FTDI FT232R +USB UART bridge IC. + +List of connections (pin numbers for SSOP): +@itemize @minus +@item RXD(5) - TDI +@item TXD(1) - TCK +@item RTS(3) - TDO +@item CTS(11) - TMS +@item DTR(2) - TRST +@item DCD(10) - SRST +@end itemize + +These interfaces have several commands, used to configure the driver +before initializing the JTAG scan chain: + +@deffn {Config Command} {ft232r_vid_pid} @var{vid} @var{pid} +The vendor ID and product ID of the adapter. If not specified, default +0x0403:0x6001 is used. +@end deffn + +@deffn {Config Command} {ft232r_serial_desc} @var{serial} +Specifies the @var{serial} of the adapter to use, in case the +vendor provides unique IDs and more than one adapter is connected to +the host. If not specified, serial numbers are not considered. +@end deffn + +@end deffn + @deffn {Interface Driver} {remote_bitbang} Drive JTAG from a remote process. This sets up a UNIX or TCP socket connection with a remote process and sends ASCII encoded bitbang requests to that process |