Added support for Amontec JTAGkey (submitted by Laurent Gauch - Amontec)

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@945 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/ChangeLog

@@ -1,3 +1,8 @@
+2008-01-24  Kolja Waschk <kawk>
+
+    * tap/cable/ft2232.c, tap/parport/ftdi.c, tap/cable.c: added support
+      for Amontec JTAGkey USB cable (submitted by Laurent Gauch - Amontec)
+
 2008-01-22  Arnim Laeuger  <arniml@users.sourceforge.net>
 
     * src/bsdl/bsdl_flex.l, src/bsdl/bsdl_bison.y,

jtag/src/tap/cable.c

@@ -40,6 +40,7 @@ extern cable_driver_t byteblaster_cable_driver;
 #ifdef HAVE_LIBFTDI
 extern cable_driver_t usbblaster_cable_driver;
 extern cable_driver_t ft2232_cable_driver;
+extern cable_driver_t ft2232_jtagkey_cable_driver;
 extern cable_driver_t ft2232_armusbocd_cable_driver;
 #endif
 extern cable_driver_t dlc5_cable_driver;
@@ -70,6 +71,7 @@ cable_driver_t *cable_drivers[] = {
 #ifdef HAVE_LIBFTDI
 	&usbblaster_cable_driver,
 	&ft2232_cable_driver,
+	&ft2232_jtagkey_cable_driver,
 	&ft2232_armusbocd_cable_driver,
 #endif
 	&dlc5_cable_driver,

jtag/src/tap/cable/ft2232.c

@@ -20,6 +20,7 @@
  * 02111-1307, USA.
  *
  * Written by Arnim Laeuger, 2007.
+ * Support for JTAGkey submitted by Laurent Gauch, 2008.
  *
  */
 
@@ -82,11 +83,13 @@
 #define BIT_TDI 1
 #define BIT_TDO 2
 #define BIT_TMS 3
+#define BIT_JTAGKEY_nOE 4
 #define BIT_ARMUSBOCD_nOE 4
 #define BITMASK_TDO (1 << BIT_TDO)
 #define BITMASK_TDI (1 << BIT_TDI)
 #define BITMASK_TCK (1 << BIT_TCK)
 #define BITMASK_TMS (1 << BIT_TMS)
+#define BITMASK_JTAGKEY_nOE (1 << BIT_JTAGKEY_nOE)
 #define BITMASK_ARMUSBOCD_nOE (1 << BIT_ARMUSBOCD_nOE)
 
 
@@ -168,6 +171,41 @@ ft2232_generic_init( cable_t *cable )
 	return 0;
 }
 
+static int
+ft2232_jtagkey_init( cable_t *cable )
+{
+	parport_t *p = cable->port;
+
+	if (parport_open( p ))
+		return -1;
+
+	/* set loopback off */
+	parport_set_data( p, LOOPBACK_END );
+	parport_set_control( p, 1 ); // flush
+	parport_set_control( p, 0 ); // noflush
+
+	/* Set Data Bits Low Byte
+		 TCK = 0, TMS = 1, TDI = 0, nOE = 0 */
+	parport_set_data( p, SET_BITS_LOW );
+	parport_set_data( p, BITMASK_TMS );
+	parport_set_data( p, BITMASK_TCK | BITMASK_TDI | BITMASK_TMS | BITMASK_JTAGKEY_nOE );
+	parport_set_control( p, 1 ); // flush
+	parport_set_control( p, 0 ); // noflush
+
+	/* Set TCK/SK Divisor */
+	parport_set_data( p, TCK_DIVISOR );
+	parport_set_data( p, 0 );
+	parport_set_data( p, 0 );
+	parport_set_control( p, 1 ); // flush
+	parport_set_control( p, 0 ); // noflush
+
+	mpsse_frequency = FT2232_MAX_TCK_FREQ;
+
+	last_tdo_valid = 0;
+
+	return 0;
+}
+
 static int
 ft2232_armusbocd_init( cable_t *cable )
 {
@@ -219,6 +257,29 @@ ft2232_generic_done( cable_t *cable )
 	parport_close( p );
 }
 
+static void
+ft2232_jtagkey_done( cable_t *cable )
+{
+	parport_t *p = cable->port;
+
+	/* Set Data Bits Low Byte
+		 disable output drivers */
+	parport_set_data( p, SET_BITS_LOW );
+	parport_set_data( p, BITMASK_JTAGKEY_nOE );
+	parport_set_data( p, BITMASK_JTAGKEY_nOE );
+	parport_set_control( p, 1 ); // flush
+	parport_set_control( p, 0 ); // noflush
+	/* Set Data Bits Low Byte
+		 set all to input */
+	parport_set_data( p, SET_BITS_LOW );
+	parport_set_data( p, BITMASK_JTAGKEY_nOE );
+	parport_set_data( p, 0 );
+	parport_set_control( p, 1 ); // flush
+	parport_set_control( p, 0 ); // noflush
+
+	parport_close( p );
+}
+
 static void
 ft2232_armusbocd_done( cable_t *cable )
 {
@@ -510,6 +571,23 @@ cable_driver_t ft2232_armusbocd_cable_driver = {
 	ft2232_usbcable_help
 };
 
+cable_driver_t ft2232_jtagkey_cable_driver = {
+	"JTAGkey",
+	N_("Amontec JTAGkey (FT2232) Cable"),
+	generic_connect,
+	generic_disconnect,
+	generic_cable_free,
+	ft2232_jtagkey_init,
+	ft2232_jtagkey_done,
+	ft2232_clock,
+	ft2232_get_tdo,
+	ft2232_transfer,
+	ft2232_set_trst,
+	generic_get_trst,
+	ft2232_usbcable_help
+};
+
+
 
 /*
  Local Variables:

jtag/src/tap/parport/ftdi.c

@@ -224,6 +224,7 @@ ftdi_generic_open( parport_t *parport )
 		if(r<0) r = ftdi_usb_open_desc(fc, 0x09FB, 0x6002, NULL, p->serial); /* Cubic Cyclonium */
 		if(r<0) r = ftdi_usb_open_desc(fc, 0x09FB, 0x6003, NULL, p->serial); /* NIOS II Evaluation board */
 		if(r<0) r = ftdi_usb_open_desc(fc, 0x16C0, 0x06AD, NULL, p->serial); /* http://www.ixo.de/info/usb_jtag/ */
+		if(r<0) r = ftdi_usb_open_desc(fc, 0x0403, 0xCFF8, NULL, p->serial); /* Amontec JTAGkey http://www.amontec.com/jtagkey.shtml */
 		if(r<0) r = ftdi_usb_open_desc(fc, 0x15BA, 0x0003, NULL, p->serial); /* Olimex ARM-USB-OCD */
 	};