2003-02-07 Marcel Telka <marcel@telka.sk>

* src/tap/cable/mpcbmd.c: Added support for Mpcbdm JTAG Cable (Christian Pellegrin).
	* src/tap/cable.c: Ditto.
	* src/tap/Makefile.am: Ditto.


git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@336 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/ChangeLog

@@ -1,3 +1,9 @@
+2003-02-07  Marcel Telka  <marcel@telka.sk>
+
+	* src/tap/cable/mpcbmd.c: Added support for Mpcbdm JTAG Cable (Christian Pellegrin).
+	* src/tap/cable.c: Ditto.
+	* src/tap/Makefile.am: Ditto.
+
 2003-02-04  Marcel Telka  <marcel@telka.sk>
 
 	* src/help.c (help): Added missing short help description for 'set' command.

jtag/NEWS

@@ -2,6 +2,7 @@ $Id$
 
 	* Enhanced 'dr' command functionality.
 	* Added new 'set signal' command.
+	* Added support for Mpcbdm JTAG Cable (Christian Pellegrin).
 
 jtag-0.2.2 (2003-02-04):
 

jtag/THANKS

@@ -3,3 +3,4 @@ $Id$
 Holger Schurig
 Stas Khirman
 Chris Ellec
+Christian Pellegrin

jtag/src/tap/Makefile.am

@@ -32,6 +32,7 @@ libtap_a_SOURCES = \
 	cable/dlc5.c \
 	cable/ea253.c \
 	cable/ei012.c \
+	cable/mpcbdm.c \
 	cable/wiggler.c
 
 INCLUDES = -I$(top_srcdir)/include $(OPENWINCE_INC)

jtag/src/tap/cable.c

@@ -32,6 +32,7 @@ extern cable_driver_t byteblaster_cable_driver;
 extern cable_driver_t dlc5_cable_driver;
 extern cable_driver_t ea253_cable_driver;
 extern cable_driver_t ei012_cable_driver;
+extern cable_driver_t mpcbdm_cable_driver;
 extern cable_driver_t wiggler_cable_driver;
 
 uint32_t frequency = 0;
@@ -41,6 +42,7 @@ cable_driver_t *cable_drivers[] = {
 	&dlc5_cable_driver,
 	&ea253_cable_driver,
 	&ei012_cable_driver,
+	&mpcbdm_cable_driver,
 	&wiggler_cable_driver,
 	NULL				/* last must be NULL */
 };

jtag/src/tap/cable/mpcbdm.c

@@ -0,0 +1,121 @@
+/*
+ * $Id$
+ *
+ * Mpcbdm JTAG Cable Driver
+ * Copyright (C) 2002, 2003 ETC s.r.o.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by Marcel Telka <marcel@telka.sk>, 2002, 2003.
+ * Modified for Mpcbdm by Christian Pellegrin <chri@ascensit.com>, 2003.
+ *
+ * Documentation:
+ * [1] http://www.vas-gmbh.de/software/mpcbdm/
+ *
+ */
+
+#include <sys/io.h>
+
+#include "cable.h"
+#include "state.h"
+
+/*
+ * data
+ */
+#define	TDI	1
+#define	TCK	0
+#define	TMS	2
+
+/* 
+ * control 
+ */
+#define	TRST	1
+#define	TRST1	3
+
+/* 
+ * status
+ */
+#define	TDO 	5	
+
+static unsigned int port;
+
+static int
+mpcbdm_init( unsigned int aport )
+{
+	tap_state_init();
+	port = aport;
+	if (((port + 3 <= 0x400) && ioperm( port, 3, 1 )) || ((port + 3 > 0x400) && iopl( 3 )))
+		return 0;
+
+	outb( (1 << TRST) | (1 << TRST1), port + 2 );
+	tap_state_set_trst( 1 );
+	return 1;
+}
+
+static void
+mpcbdm_done( void )
+{
+	if (port + 3 <= 0x400)
+		ioperm( port, 3, 0 );
+	else
+		iopl( 0 );
+
+	tap_state_done();
+}
+
+static void
+mpcbdm_clock( int tms, int tdi )
+{
+	int trst = tap_state_get_trst();
+
+	tms &= 1;
+	tdi &= 1;
+
+	outb( (0 << TCK) | (tms << TMS) | (tdi << TDI), port );
+	outb( (trst << TRST) | (trst << TRST1), port + 2 );
+	cable_wait();
+	outb( (1 << TCK) | (tms << TMS) | (tdi << TDI), port );
+	outb( (trst << TRST) | (trst << TRST1), port );
+	cable_wait();
+
+	tap_state_clock( tms );
+}
+
+static int
+mpcbdm_get_tdo( void )
+{
+	outb( (0 << TCK), port );
+	outb( (tap_state_get_trst() << TRST) | (tap_state_get_trst() << TRST1), port + 2 );
+	cable_wait();
+	return ((inb( port + 1 ) ^ 0x80) >> TDO) & 1;		/* BUSY is inverted */
+}
+
+static void
+mpcbdm_set_trst( int new_trst )
+{
+	tap_state_set_trst( new_trst );
+	outb( (new_trst & 1) << TRST | (new_trst & 1) << TRST1, port + 2 );
+}
+
+cable_driver_t mpcbdm_cable_driver = {
+	"MPCBDM",
+	"Mpcbdm JTAG cable",
+	mpcbdm_init,
+	mpcbdm_done,
+	mpcbdm_clock,
+	mpcbdm_get_tdo,
+	mpcbdm_set_trst
+};