- convert all files to unix line-ending
[fw/openocd] / src / target / arm_jtag.c
index 08cf3462dcdaab060db23864ff79de3a4357fdd0..7a9e8786f730a0085c94267788f191c665c6668a 100644 (file)
-/***************************************************************************\r
- *   Copyright (C) 2005 by Dominic Rath                                    *\r
- *   Dominic.Rath@gmx.de                                                   *\r
- *                                                                         *\r
- *   This program is free software; you can redistribute it and/or modify  *\r
- *   it under the terms of the GNU General Public License as published by  *\r
- *   the Free Software Foundation; either version 2 of the License, or     *\r
- *   (at your option) any later version.                                   *\r
- *                                                                         *\r
- *   This program is distributed in the hope that it will be useful,       *\r
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *\r
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *\r
- *   GNU General Public License for more details.                          *\r
- *                                                                         *\r
- *   You should have received a copy of the GNU General Public License     *\r
- *   along with this program; if not, write to the                         *\r
- *   Free Software Foundation, Inc.,                                       *\r
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *\r
- ***************************************************************************/\r
-#ifdef HAVE_CONFIG_H\r
-#include "config.h"\r
-#endif\r
-\r
-#include "arm_jtag.h"\r
-\r
-#include "binarybuffer.h"\r
-#include "log.h"\r
-#include "jtag.h"\r
-\r
-#include <stdlib.h>\r
-\r
-#if 0\r
-#define _ARM_JTAG_SCAN_N_CHECK_\r
-#endif\r
-\r
-int arm_jtag_set_instr(arm_jtag_t *jtag_info, u32 new_instr,  in_handler_t handler)\r
-{\r
-       jtag_device_t *device = jtag_get_device(jtag_info->chain_pos);\r
-       \r
-       if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr)\r
-       {\r
-               scan_field_t field;\r
-       \r
-               field.device = jtag_info->chain_pos;\r
-               field.num_bits = device->ir_length;\r
-               field.out_value = calloc(CEIL(field.num_bits, 8), 1);\r
-               buf_set_u32(field.out_value, 0, field.num_bits, new_instr);\r
-               field.out_mask = NULL;\r
-               field.in_value = NULL;\r
-               field.in_check_value = NULL;\r
-               field.in_check_mask = NULL;\r
-               field.in_handler = handler;\r
-               field.in_handler_priv = NULL;\r
-               jtag_add_ir_scan(1, &field, -1);\r
-               \r
-               \r
-               free(field.out_value);\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int arm_jtag_scann(arm_jtag_t *jtag_info, u32 new_scan_chain)\r
-{\r
-       if(jtag_info->cur_scan_chain != new_scan_chain)\r
-       {\r
-#ifdef _ARM_JTAG_SCAN_N_CHECK_\r
-               u8 scan_n_check_value = 1 << (jtag_info->scann_size - 1);\r
-#endif\r
-               scan_field_t field;\r
-               \r
-               field.device = jtag_info->chain_pos;\r
-               field.num_bits = jtag_info->scann_size;\r
-               field.out_value = calloc(CEIL(field.num_bits, 8), 1);\r
-               buf_set_u32(field.out_value, 0, field.num_bits, new_scan_chain);\r
-               field.out_mask = NULL;\r
-               field.in_value = NULL;\r
-#ifdef _ARM_JTAG_SCAN_N_CHECK_\r
-               jtag_set_check_value(&field, &scan_n_check_value, NULL, NULL, NULL);\r
-#else\r
-               field.in_handler = NULL;\r
-               field.in_handler_priv = NULL;\r
-#endif \r
-               \r
-               \r
-               arm_jtag_set_instr(jtag_info, jtag_info->scann_instr, NULL);\r
-               jtag_add_dr_scan(1, &field, -1);\r
-               \r
-               jtag_info->cur_scan_chain = new_scan_chain;\r
-               \r
-               free(field.out_value);\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int arm_jtag_reset_callback(enum jtag_event event, void *priv)\r
-{\r
-       arm_jtag_t *jtag_info = priv;\r
-       \r
-       if (event == JTAG_TRST_ASSERTED)\r
-       {\r
-               jtag_info->cur_scan_chain = 0;\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int arm_jtag_setup_connection(arm_jtag_t *jtag_info)\r
-{\r
-       jtag_info->scann_instr = 0x2;\r
-       jtag_info->cur_scan_chain = 0;\r
-       jtag_info->intest_instr = 0xc;\r
-\r
-       jtag_register_event_callback(arm_jtag_reset_callback, jtag_info);\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into host-endian u32, flipping bit-order */\r
-int arm_jtag_buf_to_u32_flip(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       u32 *dest = priv;\r
-       *dest = flip_u32(le_to_h_u32(in_buf), 32);\r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into little-endian u32, flipping bit-order */\r
-int arm_jtag_buf_to_le32_flip(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       h_u32_to_le(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32));\r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into little-endian u16, flipping bit-order */\r
-int arm_jtag_buf_to_le16_flip(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       h_u16_to_le(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32) & 0xffff);\r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into big-endian u32, flipping bit-order */\r
-int arm_jtag_buf_to_be32_flip(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       h_u32_to_be(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32));\r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into big-endian u16, flipping bit-order */\r
-int arm_jtag_buf_to_be16_flip(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       h_u16_to_be(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32) & 0xffff);\r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into u8, flipping bit-order */\r
-int arm_jtag_buf_to_8_flip(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       u8 *dest = priv;\r
-       *dest = flip_u32(le_to_h_u32(in_buf), 32) & 0xff;\r
-       return ERROR_OK;\r
-}\r
-\r
-/* not-flipping variants */\r
-/* read JTAG buffer into host-endian u32 */\r
-int arm_jtag_buf_to_u32(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       u32 *dest = priv;\r
-       *dest = le_to_h_u32(in_buf);\r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into little-endian u32 */\r
-int arm_jtag_buf_to_le32(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       h_u32_to_le(((u8*)priv), le_to_h_u32(in_buf));\r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into little-endian u16 */\r
-int arm_jtag_buf_to_le16(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       h_u16_to_le(((u8*)priv), le_to_h_u32(in_buf) & 0xffff);\r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into big-endian u32 */\r
-int arm_jtag_buf_to_be32(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       h_u32_to_be(((u8*)priv), le_to_h_u32(in_buf));\r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into big-endian u16 */\r
-int arm_jtag_buf_to_be16(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       h_u16_to_be(((u8*)priv), le_to_h_u32(in_buf) & 0xffff);\r
-       return ERROR_OK;\r
-}\r
-\r
-/* read JTAG buffer into u8 */\r
-int arm_jtag_buf_to_8(u8 *in_buf, void *priv, struct scan_field_s *field)\r
-{\r
-       u8 *dest = priv;\r
-       *dest = le_to_h_u32(in_buf) & 0xff;\r
-       return ERROR_OK;\r
-}\r
+/***************************************************************************
+ *   Copyright (C) 2005 by Dominic Rath                                    *
+ *   Dominic.Rath@gmx.de                                                   *
+ *                                                                         *
+ *   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 "arm_jtag.h"
+
+#include "binarybuffer.h"
+#include "log.h"
+#include "jtag.h"
+
+#include <stdlib.h>
+
+#if 0
+#define _ARM_JTAG_SCAN_N_CHECK_
+#endif
+
+int arm_jtag_set_instr(arm_jtag_t *jtag_info, u32 new_instr,  in_handler_t handler)
+{
+       jtag_device_t *device = jtag_get_device(jtag_info->chain_pos);
+       
+       if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr)
+       {
+               scan_field_t field;
+       
+               field.device = jtag_info->chain_pos;
+               field.num_bits = device->ir_length;
+               field.out_value = calloc(CEIL(field.num_bits, 8), 1);
+               buf_set_u32(field.out_value, 0, field.num_bits, new_instr);
+               field.out_mask = NULL;
+               field.in_value = NULL;
+               field.in_check_value = NULL;
+               field.in_check_mask = NULL;
+               field.in_handler = handler;
+               field.in_handler_priv = NULL;
+               jtag_add_ir_scan(1, &field, -1);
+               
+               
+               free(field.out_value);
+       }
+       
+       return ERROR_OK;
+}
+
+int arm_jtag_scann(arm_jtag_t *jtag_info, u32 new_scan_chain)
+{
+       if(jtag_info->cur_scan_chain != new_scan_chain)
+       {
+#ifdef _ARM_JTAG_SCAN_N_CHECK_
+               u8 scan_n_check_value = 1 << (jtag_info->scann_size - 1);
+#endif
+               scan_field_t field;
+               
+               field.device = jtag_info->chain_pos;
+               field.num_bits = jtag_info->scann_size;
+               field.out_value = calloc(CEIL(field.num_bits, 8), 1);
+               buf_set_u32(field.out_value, 0, field.num_bits, new_scan_chain);
+               field.out_mask = NULL;
+               field.in_value = NULL;
+#ifdef _ARM_JTAG_SCAN_N_CHECK_
+               jtag_set_check_value(&field, &scan_n_check_value, NULL, NULL, NULL);
+#else
+               field.in_handler = NULL;
+               field.in_handler_priv = NULL;
+#endif 
+               
+               
+               arm_jtag_set_instr(jtag_info, jtag_info->scann_instr, NULL);
+               jtag_add_dr_scan(1, &field, -1);
+               
+               jtag_info->cur_scan_chain = new_scan_chain;
+               
+               free(field.out_value);
+       }
+       
+       return ERROR_OK;
+}
+
+int arm_jtag_reset_callback(enum jtag_event event, void *priv)
+{
+       arm_jtag_t *jtag_info = priv;
+       
+       if (event == JTAG_TRST_ASSERTED)
+       {
+               jtag_info->cur_scan_chain = 0;
+       }
+       
+       return ERROR_OK;
+}
+
+int arm_jtag_setup_connection(arm_jtag_t *jtag_info)
+{
+       jtag_info->scann_instr = 0x2;
+       jtag_info->cur_scan_chain = 0;
+       jtag_info->intest_instr = 0xc;
+
+       jtag_register_event_callback(arm_jtag_reset_callback, jtag_info);
+       
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into host-endian u32, flipping bit-order */
+int arm_jtag_buf_to_u32_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       u32 *dest = priv;
+       *dest = flip_u32(le_to_h_u32(in_buf), 32);
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into little-endian u32, flipping bit-order */
+int arm_jtag_buf_to_le32_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       h_u32_to_le(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32));
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into little-endian u16, flipping bit-order */
+int arm_jtag_buf_to_le16_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       h_u16_to_le(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32) & 0xffff);
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into big-endian u32, flipping bit-order */
+int arm_jtag_buf_to_be32_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       h_u32_to_be(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32));
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into big-endian u16, flipping bit-order */
+int arm_jtag_buf_to_be16_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       h_u16_to_be(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32) & 0xffff);
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into u8, flipping bit-order */
+int arm_jtag_buf_to_8_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       u8 *dest = priv;
+       *dest = flip_u32(le_to_h_u32(in_buf), 32) & 0xff;
+       return ERROR_OK;
+}
+
+/* not-flipping variants */
+/* read JTAG buffer into host-endian u32 */
+int arm_jtag_buf_to_u32(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       u32 *dest = priv;
+       *dest = le_to_h_u32(in_buf);
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into little-endian u32 */
+int arm_jtag_buf_to_le32(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       h_u32_to_le(((u8*)priv), le_to_h_u32(in_buf));
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into little-endian u16 */
+int arm_jtag_buf_to_le16(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       h_u16_to_le(((u8*)priv), le_to_h_u32(in_buf) & 0xffff);
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into big-endian u32 */
+int arm_jtag_buf_to_be32(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       h_u32_to_be(((u8*)priv), le_to_h_u32(in_buf));
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into big-endian u16 */
+int arm_jtag_buf_to_be16(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       h_u16_to_be(((u8*)priv), le_to_h_u32(in_buf) & 0xffff);
+       return ERROR_OK;
+}
+
+/* read JTAG buffer into u8 */
+int arm_jtag_buf_to_8(u8 *in_buf, void *priv, struct scan_field_s *field)
+{
+       u8 *dest = priv;
+       *dest = le_to_h_u32(in_buf) & 0xff;
+       return ERROR_OK;
+}