versaloon driver update

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>

1 files changed, 158 insertions, 0 deletions

diff --git a/src/jtag/drivers/versaloon/usbtoxxx/usbtoswd.c b/src/jtag/drivers/versaloon/usbtoxxx/usbtoswd.c
new file mode 100644
index 00000000..93333f08
--- /dev/null
+++ b/src/jtag/drivers/versaloon/usbtoxxx/usbtoswd.c
@@ -0,0 +1,158 @@
+/***************************************************************************
+ *   Copyright (C) 2009 - 2010 by Simon Qian <SimonQian@SimonQian.com>     *
+ *                                                                         *
+ *   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.             *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "../versaloon_include.h"
+#include "../versaloon.h"
+#include "../versaloon_internal.h"
+#include "usbtoxxx.h"
+#include "usbtoxxx_internal.h"
+
+RESULT usbtoswd_callback(void *p, uint8_t *src, uint8_t *processed)
+{
+	struct versaloon_pending_t *pending = (struct versaloon_pending_t *)p;
+	
+	processed = processed;
+	
+	if (pending->extra_data != NULL)
+	{
+		*((uint8_t *)pending->extra_data) = src[0];
+	}
+	
+	return ERROR_OK;
+}
+
+RESULT usbtoswd_init(uint8_t interface_index)
+{
+	return usbtoxxx_init_command(USB_TO_SWD, interface_index);
+}
+
+RESULT usbtoswd_fini(uint8_t interface_index)
+{
+	return usbtoxxx_fini_command(USB_TO_SWD, interface_index);
+}
+
+RESULT usbtoswd_config(uint8_t interface_index, uint8_t trn, uint16_t retry,
+					   uint16_t dly)
+{
+	uint8_t cfg_buf[5];
+	
+#if PARAM_CHECK
+	if (interface_index > 7)
+	{
+		LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
+		return ERROR_FAIL;
+	}
+#endif
+	
+	cfg_buf[0] = trn;
+	SET_LE_U16(&cfg_buf[1], retry);
+	SET_LE_U16(&cfg_buf[3], dly);
+	
+	return usbtoxxx_conf_command(USB_TO_SWD, interface_index, cfg_buf, 5);
+}
+
+RESULT usbtoswd_seqout(uint8_t interface_index, uint8_t *data, uint16_t bitlen)
+{
+	uint16_t bytelen = (bitlen + 7) >> 3;
+	
+#if PARAM_CHECK
+	if (interface_index > 7)
+	{
+		LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
+		return ERROR_FAIL;
+	}
+#endif
+	
+	SET_LE_U16(&versaloon_cmd_buf[0], bitlen);
+	memcpy(versaloon_cmd_buf + 2, data, bytelen);
+	
+	return usbtoxxx_out_command(USB_TO_SWD, interface_index,
+								versaloon_cmd_buf, bytelen + 2, 0);
+}
+
+RESULT usbtoswd_seqin(uint8_t interface_index, uint8_t *data, uint16_t bitlen)
+{
+	uint16_t bytelen = (bitlen + 7) >> 3;
+	uint8_t buff[2];
+	
+#if PARAM_CHECK
+	if (interface_index > 7)
+	{
+		LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
+		return ERROR_FAIL;
+	}
+#endif
+	
+	SET_LE_U16(&buff[0], bitlen);
+	
+	return usbtoxxx_in_command(USB_TO_SWD, interface_index, buff, 2, bytelen,
+								data, 0, bytelen, 0);
+}
+
+RESULT usbtoswd_transact(uint8_t interface_index, uint8_t request,
+							uint32_t *data, uint8_t *ack)
+{
+	uint8_t parity;
+	uint8_t buff[5];
+	
+#if PARAM_CHECK
+	if (interface_index > 7)
+	{
+		LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
+		return ERROR_FAIL;
+	}
+#endif
+	
+	parity = (request >> 1) & 1;
+	parity += (request >> 2) & 1;
+	parity += (request >> 3) & 1;
+	parity += (request >> 4) & 1;
+	parity &= 1;
+	buff[0] = (request | 0x81 | (parity << 5)) & ~0x40;
+	if (data != NULL)
+	{
+		SET_LE_U32(&buff[1], *data);
+	}
+	else
+	{
+		memset(buff + 1, 0, 4);
+	}
+	
+	versaloon_set_extra_data(ack);
+	versaloon_set_callback(usbtoswd_callback);
+	if (request & 0x04)
+	{
+		// read
+		return usbtoxxx_inout_command(USB_TO_SWD, interface_index, buff, 5, 5,
+										(uint8_t *)data, 1, 4, 0);
+	}
+	else
+	{
+		// write
+		return usbtoxxx_inout_command(USB_TO_SWD, interface_index, buff, 5, 5,
+										NULL, 0, 0, 0);
+	}
+}
+