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authorTim Newsome <tim@sifive.com>2022-06-08 13:11:21 -0700
committerGitHub <noreply@github.com>2022-06-08 13:11:21 -0700
commita2da8221872ae6d69369a8a03553450c942b559b (patch)
treed5d8bd90f3636e7daaac4c2fa8cb92979047e918
parent40458f6b251c943b76792d6a2bf8c7633636a935 (diff)
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Document `ftdi oscan1_mode` (#705)
Change-Id: I29b001bc6b9f29f1976aac3f02e15e4490707a4b Signed-off-by: Tim Newsome <tim@sifive.com>
-rw-r--r--doc/openocd.texi7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi
index 850b914..73f53c2 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -2582,6 +2582,13 @@ minimal impact on the target system. Avoid floating inputs, conflicting outputs
and initially asserted reset signals.
@end deffn
+@deffn {Command} {ftdi oscan1_mode} on|off
+Enable or disable OSCAN1 mode. This mode is intended for use with an adapter,
+such as the ARM-JTAG-SWD by Olimex, that sits in between the FTDI chip and the
+target. The adapter uses the normal JTAG signals to control TCKC and TMSC
+(bidirectional) signals used in 2-wire cJTAG.
+@end deffn
+
@deffn {Command} {ftdi layout_signal} name [@option{-data}|@option{-ndata} data_mask] [@option{-input}|@option{-ninput} input_mask] [@option{-oe}|@option{-noe} oe_mask] [@option{-alias}|@option{-nalias} name]
Creates a signal with the specified @var{name}, controlled by one or more FTDI
GPIO pins via a range of possible buffer connections. The masks are FTDI GPIO