From 6ec1026bbb83f626484e4fd4b61aa1f7d864dbc7 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 19 Oct 2009 14:45:43 -0700 Subject: 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. --- doc/openocd.texi | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'doc') diff --git a/doc/openocd.texi b/doc/openocd.texi index 6d33d56a..7ebe4578 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -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} -- cgit v1.2.3