[ 909598 ] Detect 16bit flash on PXA25x 1/2 (partially included for compatibility with other patches and wiggler2 driver, but actual new pxa2x0 patch omitted - another later patch will fix this)

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@684 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/src/bus/ixp425.c

@@ -245,7 +245,8 @@ const bus_driver_t ixp425_bus = {
 	ixp425_bus_read_next,
 	ixp425_bus_read_end,
 	ixp425_bus_read,
-	ixp425_bus_write
+	ixp425_bus_write,
+	NULL
 };
 
 static bus_t *

jtag/src/bus/mpc824x.c

@@ -396,5 +396,6 @@ const bus_driver_t mpc824x_bus = {
 	mpc824x_bus_read_next,
 	mpc824x_bus_read_end,
 	mpc824x_bus_read,
-	mpc824x_bus_write
+	mpc824x_bus_write,
+	NULL
 };

jtag/src/bus/pxa2x0.c

@@ -381,7 +381,8 @@ const bus_driver_t pxa2x0_bus = {
 	pxa250_bus_read_next,
 	pxa250_bus_read_end,
 	pxa250_bus_read,
-	pxa250_bus_write
+	pxa250_bus_write,
+    NULL
 };
 
 static bus_t *

jtag/src/bus/s3c4510x.c

@@ -322,7 +322,8 @@ const bus_driver_t s3c4510_bus = {
         s3c4510_bus_read_next,
         s3c4510_bus_read_end,
         s3c4510_bus_read,
-	s3c4510_bus_write
+	s3c4510_bus_write,
+	NULL
 };
 
 static bus_t *

jtag/src/bus/sa1110.c

@@ -259,7 +259,8 @@ const bus_driver_t sa1110_bus = {
 	sa1110_bus_read_next,
 	sa1110_bus_read_end,
 	sa1110_bus_read,
-	sa1110_bus_write
+	sa1110_bus_write,
+	NULL
 };
 
 static bus_t *
@@ -338,4 +339,3 @@ sa1110_bus_new( void )
 
 	return bus;
 }
-

jtag/src/bus/sh7727.c

@@ -291,7 +291,8 @@ const bus_driver_t sh7727_bus = {
 	sh7727_bus_read_next,
 	sh7727_bus_read_end,
 	sh7727_bus_read,
-	sh7727_bus_write
+	sh7727_bus_write,
+	NULL
 };
 
 static bus_t *

jtag/src/bus/sh7750r.c

@@ -273,7 +273,8 @@ const bus_driver_t sh7750r_bus = {
 	sh7750r_bus_read_next,
 	sh7750r_bus_read_end,
 	sh7750r_bus_read,
-	sh7750r_bus_write
+	sh7750r_bus_write,
+	NULL
 };
 
 static bus_t *

jtag/src/bus/sh7751r.c

@@ -266,7 +266,8 @@ const bus_driver_t sh7751r_bus = {
 	sh7751r_bus_read_next,
 	sh7751r_bus_read_end,
 	sh7751r_bus_read,
-	sh7751r_bus_write
+	sh7751r_bus_write,
+	NULL
 };
 
 static bus_t *

jtag/src/cmd/detect.c

@@ -36,6 +36,9 @@
 static int
 cmd_detect_run( char *params[] )
 {
+	int i;
+	bus_t * abus;
+	
 	if (cmd_params( params ) != 1)
 		return -1;
 
@@ -58,6 +61,17 @@ cmd_detect_run( char *params[] )
 	chain_shift_data_registers( chain, 1 );
 	parts_set_instruction( chain->parts, "BYPASS" );
 	chain_shift_instructions( chain );
+	
+	// Initialize all the buses
+	for (i = 0; i < buses.len; i++)
+	{
+		abus = buses.buses[i];
+		if(abus->driver->init)
+		{
+			if(!abus->driver->init(abus))
+				return -1;
+		}
+	}
 
 	return 1;
 }

jtag/src/tap/Makefile.am

@@ -45,4 +45,5 @@ libtap_a_SOURCES = \
 	cable/lattice.c \
 	cable/mpcbdm.c \
 	cable/triton.c \
-	cable/wiggler.c
+	cable/wiggler.c \
+	cable/wiggler2.c

jtag/src/tap/cable.c

@@ -41,6 +41,7 @@ extern cable_driver_t lattice_cable_driver;
 extern cable_driver_t mpcbdm_cable_driver;
 extern cable_driver_t triton_cable_driver;
 extern cable_driver_t wiggler_cable_driver;
+extern cable_driver_t wiggler2_cable_driver;
 
 uint32_t frequency = 0;
 
@@ -55,6 +56,7 @@ cable_driver_t *cable_drivers[] = {
 	&mpcbdm_cable_driver,
 	&triton_cable_driver,
 	&wiggler_cable_driver,
+	&wiggler2_cable_driver,	
 	NULL				/* last must be NULL */
 };
 

jtag/src/tap/cable/wiggler2.c

@@ -0,0 +1,123 @@
+/*
+ * $Id: wiggler2.c,v 1.8 2003/09/11 16:45:15 telka Exp $
+ *
+ * Modified WIGGLER JTAG Cable Driver
+ * Copyright (C) 2003 Ultra d.o.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.
+ *
+ * Documentation:
+ * [1] http://www.ocdemon.net/
+ * [2] http://jtag-arm9.sourceforge.net/hardware.html
+ *
+ * Base on the code for the Macraigor WIGGLER code written by Marcel Telka.
+ * Modified by Matej Kupljen <matej.kupljen@ultra.si> to support
+ * the Modified WIGGLER JTAG cable. This has an additional pin, that is
+ * used for CPU reset. The schematic is based on the source code for the
+ * open source JTAG debugger for the PXA250 (255) processor, called Jelie
+ * <www.jelie.org>.
+ *
+ */
+
+#include "sysdep.h"
+
+#include "cable.h"
+#include "parport.h"
+#include "chain.h"
+
+#include "generic.h"
+
+/*
+ * data D[7:0] (pins 9:2)
+ */
+#define	TDI		3
+#define	TCK		2
+#define	TMS		1
+#define	TRST		4
+#define CPU_RESET 	0
+
+
+/*
+ * 7 - BUSY (pin 11)
+ * 6 - ACK (pin 10)
+ * 5 - PE (pin 12)
+ * 4 - SEL (pin 13)
+ * 3 - ERROR (pin 15)
+ */
+#define	TDO 	7
+
+static int
+wiggler2_init( cable_t *cable )
+{
+	int data;
+
+	if (parport_open( cable->port ))
+		return -1;
+
+	if ((data = parport_get_data( cable->port )) < 0) {
+		if (parport_set_data( cable->port, 0 << TRST ))
+			return -1;
+		PARAM_TRST(cable) = 1;
+	} else
+		PARAM_TRST(cable) = (data >> TRST) & 1;
+
+	return 0;
+}
+
+static void
+wiggler2_clock( cable_t *cable, int tms, int tdi )
+{
+	tms = tms ? 1 : 0;
+	tdi = tdi ? 1 : 0;
+
+	parport_set_data( cable->port, (PARAM_TRST(cable) << TRST) | (0 << TCK) | (tms << TMS) | (tdi << TDI) );
+	cable_wait();
+	parport_set_data( cable->port, (PARAM_TRST(cable) << TRST) | (1 << TCK) | (tms << TMS) | (tdi << TDI) );
+	cable_wait();
+}
+
+static int
+wiggler2_get_tdo( cable_t *cable )
+{
+	parport_set_data( cable->port, (PARAM_TRST(cable) << TRST) | (0 << TCK) );
+	cable_wait();
+	return (parport_get_status( cable->port ) >> TDO) & 1;
+}
+
+static int
+wiggler2_set_trst( cable_t *cable, int trst )
+{
+	PARAM_TRST(cable) = trst ? 1 : 0;
+
+	parport_set_data( cable->port, PARAM_TRST(cable) << TRST );
+	return PARAM_TRST(cable);
+}
+
+cable_driver_t wiggler2_cable_driver = {
+	"WIGGLER2",
+	N_("Modified (with CPU Reset) WIGGLER JTAG Cable"),
+	generic_connect,
+	generic_disconnect,
+	generic_cable_free,
+	wiggler2_init,
+	generic_done,
+	wiggler2_clock,
+	wiggler2_get_tdo,
+	wiggler2_set_trst,
+	generic_get_trst
+};