2003-01-08 Marcel Telka <marcel@telka.sk>

* include/cable.h: Added cable driver for ETC EI012 JTAG Cable.
	* src/help.c (help): Ditto.
	* src/jtag.c (main): Ditto.
	* src/tap/Makefile.am: Ditto.
	* src/tap/cable/ei012.c: Ditto.


git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@298 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/ChangeLog

@@ -1,3 +1,11 @@
+2003-01-08  Marcel Telka  <marcel@telka.sk>
+
+	* include/cable.h: Added cable driver for ETC EI012 JTAG Cable.
+	* src/help.c (help): Ditto.
+	* src/jtag.c (main): Ditto.
+	* src/tap/Makefile.am: Ditto.
+	* src/tap/cable/ei012.c: Ditto.
+
 2003-01-08  Marcel Telka  <marcel@telka.sk>
 
 	* configure.ac: Bumped version number to 0.2, added check-new and dist-bzip2

jtag/include/cable.h

@@ -43,5 +43,6 @@ extern cable_driver_t *cable;
 
 extern cable_driver_t ea253_cable_driver;
 extern cable_driver_t dlc5_cable_driver;
+extern cable_driver_t ei012_cable_driver;
 
 #endif /* CABLE_H */

jtag/src/help.c

@@ -74,6 +74,7 @@ help( const char *cmd )
 			"none       No cable connected\n"
 			"DLC5       Xilinx DLC5 JTAG Parallel Cable III\n"
 			"EA253      ETC EA253 JTAG Cable\n"
+			"EI012      ETC EI012 JTAG Cable\n"
 		);
 	else if (strcmp( cmd, "detect" ) == 0)
 		printf(

jtag/src/jtag.c

@@ -145,6 +145,11 @@ main( void )
 			} else if (strcmp( t, "EA253" ) == 0) {
 				cable = &ea253_cable_driver;
 
+				if (!cable->init( port ))
+					cable = NULL;
+			} else if (strcmp( t, "EI012" ) == 0) {
+				cable = &ei012_cable_driver;
+
 				if (!cable->init( port ))
 					cable = NULL;
 			} else {

jtag/src/tap/Makefile.am

@@ -28,6 +28,7 @@ libtap_a_SOURCES = \
 	register.c \
 	state.c \
 	cable/dlc5.c \
-	cable/ea253.c
+	cable/ea253.c \
+	cable/ei012.c
 
 INCLUDES = -I$(top_srcdir)/include $(OPENWINCE_INC)

jtag/src/tap/cable/ei012.c

@@ -0,0 +1,108 @@
+/*
+ * $Id$
+ *
+ * ETC EI012 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.
+ *
+ */
+
+#include <stdio.h>
+#include <sys/io.h>
+
+#include "cable.h"
+#include "state.h"
+
+/*
+ * data D[7:0] (pins 9:2)
+ */
+#define	TCK	0
+#define	TDI	1
+#define	TMS	2
+#define	TRST	4
+
+/*
+ * 7 - BUSY (pin 11)
+ * 6 - ACK (pin 10)
+ * 5 - PE (pin 12)
+ * 4 - SEL (pin 13)
+ * 3 - ERROR (pin 15)
+ */
+#define	TDO	7
+
+static unsigned int port;
+
+static int
+ei012_init( unsigned int aport )
+{
+	tap_state_init();
+	port = aport;
+	printf( "Initilizing ETC EI012 JTAG Cable on parallel port at 0x%x\n", port );
+	if (ioperm( port, 2, 1 )) {
+		printf( "Error: Initialization failed!\n" );
+		return 0;
+	}
+	tap_state_set_trst( (inb( port ) >> TRST) & 1 );
+
+	return 1;
+}
+
+static void
+ei012_done( void )
+{
+	ioperm( port, 2, 0 );
+
+	tap_state_done();
+}
+
+static void
+ei012_clock( int tms, int tdi )
+{
+	int trst = tap_state_get_trst();
+
+	tms &= 1;
+	tdi &= 1;
+
+	outb( (trst << TRST) | (0 << TCK) | (tms << TMS) | (tdi << TDI), port );
+	outb( (trst << TRST) | (1 << TCK) | (tms << TMS) | (tdi << TDI), port );
+
+	tap_state_clock( tms );
+}
+
+static int
+ei012_get_tdo( void )
+{
+	outb( (tap_state_get_trst() << TRST) | (0 << TCK), port );
+	return ((inb( port + 1 ) ^ 0x80) >> TDO) & 1;		/* BUSY is inverted */
+}
+
+static void
+ei012_set_trst( int new_trst )
+{
+	tap_state_set_trst( new_trst );
+	outb( (new_trst & 1) << TRST, port );
+}
+
+cable_driver_t ei012_cable_driver = {
+	ei012_init,
+	ei012_done,
+	ei012_clock,
+	ei012_get_tdo,
+	ei012_set_trst
+};