Commit 6ec1026b authored by David Brownell's avatar David Brownell
Browse files

Doc: jtag_init must validate scan chain too

Same requirement as like init_reset, and for the same reason:
we need to start with a known and working state.
parent 6726b787
......@@ -1573,6 +1573,11 @@ which uses only a lightweight JTAG reset before examining the
scan chain.
If that fails, it tries again, using a harder reset
from the overridable procedure @command{init_reset}.
Implementations must have verified the JTAG scan chain before
they return.
This is done by calling @command{jtag arp_init}
(or @command{jtag arp_init-reset}).
@end deffn
@anchor{TCP/IP Ports}
......
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