From 98da554bbd560fa5af0c639140fe34e211bf38da Mon Sep 17 00:00:00 2001
From: drath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Fri, 30 Mar 2007 09:56:31 +0000
Subject: [PATCH] - added support for Turtelizer 2 (USB JTAG interface) (Thanks
 to Michael Fischer for this patch) - fixed description of arm9tdmi
 vector_catch command

git-svn-id: svn://svn.berlios.de/openocd/trunk@137 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
 src/jtag/ft2232.c     | 84 +++++++++++++++++++++++++++++++++++++++++++
 src/openocd.c         |  2 +-
 src/target/arm9tdmi.c |  2 +-
 3 files changed, 86 insertions(+), 2 deletions(-)

diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c
index 2a8c7387..fa27d900 100644
--- a/src/jtag/ft2232.c
+++ b/src/jtag/ft2232.c
@@ -93,15 +93,18 @@ int usbjtag_init(void);
 int jtagkey_init(void);
 int olimex_jtag_init(void);
 int m5960_init(void);
+int turtle_init(void);
 
 /* reset procedures for supported layouts */
 void usbjtag_reset(int trst, int srst);
 void jtagkey_reset(int trst, int srst);
 void olimex_jtag_reset(int trst, int srst);
 void m5960_reset(int trst, int srst);
+void turtle_reset(int trst, int srst);
 
 /* blink procedures for layouts that support a blinking led */
 void olimex_jtag_blink(void);
+void turtle_jtag_blink(void);
 
 ft2232_layout_t ft2232_layouts[] =
 {
@@ -113,6 +116,7 @@ ft2232_layout_t ft2232_layouts[] =
 	{"evb_lm3s811", usbjtag_init, usbjtag_reset, NULL},
 	{"olimex-jtag", olimex_jtag_init, olimex_jtag_reset, olimex_jtag_blink},
 	{"m5960", m5960_init, m5960_reset, NULL},
+        {"turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink},
 	{NULL, NULL, NULL},
 };
 
@@ -1002,6 +1006,26 @@ void m5960_reset(int trst, int srst)
     DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
 }
 
+void turtle_reset(int trst, int srst)
+{
+  trst = trst;
+  
+	if (srst == 1)
+	{
+  	low_output |= nSRST;
+	}
+	else if (srst == 0)
+	{
+		low_output &= ~nSRST;
+	}
+	
+	/* command "set data bits high byte" */
+	BUFFER_ADD = 0x80;
+	BUFFER_ADD = low_output;
+	BUFFER_ADD = low_direction;
+	DEBUG("srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", srst, low_output, low_direction);
+}
+
 int ft2232_execute_queue()
 {
 	jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
@@ -1682,6 +1706,46 @@ int m5960_init(void)
 	return ERROR_OK;
 }
 
+int turtle_init(void)
+{
+	u8 buf[3];
+	u32 bytes_written;
+	
+	low_output = 0x08;
+	low_direction = 0x5b;
+	
+	/* initialize low byte for jtag */
+	buf[0] = 0x80; /* command "set data bits low byte" */
+	buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
+	buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
+	DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
+	
+	if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+	{
+		ERROR("couldn't initialize FT2232 with 'turtelizer2' layout"); 
+		return ERROR_JTAG_INIT_FAILED;
+	}
+	
+  nSRST = 0x40;
+  	
+	high_output = 0x00;
+	high_direction = 0x0C;
+	
+	/* initialize high port */
+	buf[0] = 0x82; /* command "set data bits high byte" */
+	buf[1] = high_output;
+	buf[2] = high_direction;
+	DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
+	
+	if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+	{
+		ERROR("couldn't initialize FT2232 with 'turtelizer2' layout"); 
+		return ERROR_JTAG_INIT_FAILED;
+	}
+	
+	return ERROR_OK;
+}
+
 void olimex_jtag_blink(void)
 {
 	/* Olimex ARM-USB-OCD has a LED connected to ACBUS3
@@ -1703,6 +1767,26 @@ void olimex_jtag_blink(void)
 	BUFFER_ADD = high_direction;
 }
 
+void turtle_jtag_blink(void)
+{
+	/* 
+   * Turtelizer2 has two LEDs connected to ACBUS2 and ACBUS3
+	 */
+	if (high_output & 0x08)
+	{
+		high_output = 0x04;
+	}
+	else
+	{
+		high_output = 0x08;
+	}
+	
+	BUFFER_ADD = 0x82;
+	BUFFER_ADD = high_output;
+	BUFFER_ADD = high_direction;
+}
+
+
 int ft2232_quit(void)
 {
 #if BUILD_FT2232_FTD2XX == 1
diff --git a/src/openocd.c b/src/openocd.c
index 0b6d1bc0..6b1fa080 100644
--- a/src/openocd.c
+++ b/src/openocd.c
@@ -18,7 +18,7 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
-#define OPENOCD_VERSION "Open On-Chip Debugger (2007-03-28 18:30 CEST)"
+#define OPENOCD_VERSION "Open On-Chip Debugger (2007-03-30 12:00 CEST)"
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
diff --git a/src/target/arm9tdmi.c b/src/target/arm9tdmi.c
index 4a991c10..dd1ee79d 100644
--- a/src/target/arm9tdmi.c
+++ b/src/target/arm9tdmi.c
@@ -1015,7 +1015,7 @@ int arm9tdmi_register_commands(struct command_context_s *cmd_ctx)
 	
 	arm9tdmi_cmd = register_command(cmd_ctx, NULL, "arm9tdmi", NULL, COMMAND_ANY, "arm9tdmi specific commands");
 
-	register_command(cmd_ctx, arm9tdmi_cmd, "vector_catch", handle_arm9tdmi_catch_vectors_command, COMMAND_EXEC, "catch arm920t vectors ['all'|'none'|'<vec1,vec2,...>']");
+	register_command(cmd_ctx, arm9tdmi_cmd, "vector_catch", handle_arm9tdmi_catch_vectors_command, COMMAND_EXEC, "catch arm920t vectors ['all'|'none'|'<vec1 vec2 ...>']");
 	
 	
 	return ERROR_OK;
-- 
2.39.5