improve startup tcl scripts

Fix a couple of layering violations missed in the last round.
Add missing comment headers.

src/helper/startup.tcl

@@ -61,10 +61,6 @@ proc unknown {args} {
 	return -code error "Unknown command: $args"
 }
 
-proc new_target_name { } {
-	return [target number [expr [target count] - 1 ]]
-}
-
 # Try flipping / and \ to find file if the filename does not
 # match the precise spelling
 proc find {filename} {

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

src/server/startup.tcl

@@ -1,3 +1,5 @@
+# Defines basic Tcl procs for OpenOCD server modules
+
 # Handle GDB 'R' packet. Can be overriden by configuration script,
 # but it's not something one would expect target scripts to do
 # normally

src/target/startup.tcl

@@ -1,21 +1,9 @@
-#########
+# Defines basic Tcl procs for OpenOCD target module
 
-# 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
+proc new_target_name { } {
+	return [target number [expr [target count] - 1 ]]
 }
 
-
 global in_process_reset
 set in_process_reset 0