tcl/interface: Restructure parport config files

Provide cable specific configuration files like for the FTDI interface.
Depcrecate the old configuration files but keep them until the next
release for compatibility reasons.

Change-Id: I436bd60779a107120c9e1b1f0b8a69a39a240ad4
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: https://review.openocd.org/c/openocd/+/8514
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: jenkins

tcl/interface/parport.cfg

@@ -5,17 +5,6 @@
 #
 # Addresses: 0x378/LPT1 or 0x278/LPT2 ...
 #
+echo "DEPRECATED: use interface/parport/wiggler.cfg instead of deprecated interface/parport.cfg"
 
-if { [info exists PARPORTADDR] } {
-   set _PARPORTADDR $PARPORTADDR
-} else {
-   if {$tcl_platform(platform) eq "windows"} {
-      set _PARPORTADDR 0x378
-   } {
-      set _PARPORTADDR 0
-   }
-}
-
-adapter driver parport
-parport port $_PARPORTADDR
-parport cable wiggler
+source [find interface/parport/wiggler.cfg]

tcl/interface/parport/dlc5.cfg

@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#
+# Xilinx Parallel Cable III 'DLC 5' (and various clones)
+#
+# http://www.xilinx.com/itp/xilinx4/data/docs/pac/appendixb.html
+#
+
+if { [info exists PARPORTADDR] } {
+   set _PARPORTADDR $PARPORTADDR
+} else {
+   set _PARPORTADDR 0
+}
+
+adapter driver parport
+parport port $_PARPORTADDR
+parport cable dlc5

tcl/interface/parport/wiggler.cfg

@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#
+# Parallel port wiggler (many clones available) on port 0x378
+#
+# Addresses: 0x378/LPT1 or 0x278/LPT2 ...
+#
+
+if { [info exists PARPORTADDR] } {
+   set _PARPORTADDR $PARPORTADDR
+} else {
+   if {$tcl_platform(platform) eq "windows"} {
+      set _PARPORTADDR 0x378
+   } {
+      set _PARPORTADDR 0
+   }
+}
+
+adapter driver parport
+parport port $_PARPORTADDR
+parport cable wiggler

tcl/interface/parport_dlc5.cfg

@@ -5,13 +5,6 @@
 #
 # http://www.xilinx.com/itp/xilinx4/data/docs/pac/appendixb.html
 #
+echo "DEPRECATED: use interface/parport/dlc5.cfg instead of deprecated interface/parport_dlc5.cfg"
 
-if { [info exists PARPORTADDR] } {
-   set _PARPORTADDR $PARPORTADDR
-} else {
-   set _PARPORTADDR 0
-}
-
-adapter driver parport
-parport port $_PARPORTADDR
-parport cable dlc5
+source [find interface/parport/dlc5.cfg]