From 47cb10217a7bc4b97fa169a821db05f40bc2e51d Mon Sep 17 00:00:00 2001 From: Zachary T Welch Date: Sat, 21 Nov 2009 19:41:21 -0800 Subject: improve startup tcl scripts Fix a couple of layering violations missed in the last round. Add missing comment headers. --- src/jtag/startup.tcl | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'src/jtag/startup.tcl') diff --git a/src/jtag/startup.tcl b/src/jtag/startup.tcl index 999f5d02..ab215bab 100644 --- a/src/jtag/startup.tcl +++ b/src/jtag/startup.tcl @@ -9,6 +9,21 @@ proc jtag_init {} { } } +# This reset logic may be overridden by board/target/... scripts as needed +# to provide a reset that, if possible, is close to a power-up reset. +# +# Exit requirements include: (a) JTAG must be working, (b) the scan +# chain was validated with "jtag arp_init" (or equivalent), (c) nothing +# stays in reset. No TAP-specific scans were performed. It's OK if +# some targets haven't been reset yet; they may need TAP-specific scans. +# +# The "mode" values include: halt, init, run (from "reset" command); +# startup (at OpenOCD server startup, when JTAG may not yet work); and +# potentially more (for reset types like cold, warm, etc) +proc init_reset { mode } { + jtag arp_init-reset +} + ######### # TODO: power_restore and power_dropout are currently neither -- cgit v1.2.3