-/***************************************************************************\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 *
+ * *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
+ * oyvind.harboe@zylin.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 "arm_jtag.h"
+
+
+#if 0
+#define _ARM_JTAG_SCAN_N_CHECK_
+#endif
+
+int arm_jtag_set_instr(arm_jtag_t *jtag_info, uint32_t new_instr, void *no_verify_capture)
+{
+ jtag_tap_t *tap;
+ tap = jtag_info->tap;
+ if (tap==NULL)
+ return ERROR_FAIL;
+
+ if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
+ {
+ scan_field_t field;
+ uint8_t t[4];
+
+ field.tap = tap;
+ field.num_bits = tap->ir_length;
+ field.out_value = t;
+ buf_set_u32(field.out_value, 0, field.num_bits, new_instr);
+ field.in_value = NULL;
+
+
+
+ if (no_verify_capture==NULL)
+ {
+ jtag_add_ir_scan(1, &field, jtag_get_end_state());
+ } else
+ {
+ /* FIX!!!! this is a kludge!!! arm926ejs.c should reimplement this arm_jtag_set_instr to
+ * have special verification code.
+ */
+ jtag_add_ir_scan_noverify(1, &field, jtag_get_end_state());
+ }
+ }
+
+ return ERROR_OK;
+}
+
+int arm_jtag_scann(arm_jtag_t *jtag_info, uint32_t new_scan_chain)
+{
+ int retval = ERROR_OK;
+ if (jtag_info->cur_scan_chain != new_scan_chain)
+ {
+ uint32_t values[1];
+ int num_bits[1];
+
+ values[0]=new_scan_chain;
+ num_bits[0]=jtag_info->scann_size;
+
+ if ((retval = arm_jtag_set_instr(jtag_info, jtag_info->scann_instr, NULL)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ jtag_add_dr_out(jtag_info->tap,
+ 1,
+ num_bits,
+ values,
+ jtag_get_end_state());
+
+ jtag_info->cur_scan_chain = new_scan_chain;
+ }
+
+ return retval;
+}
+
+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;
+
+ return jtag_register_event_callback(arm_jtag_reset_callback, jtag_info);
+}
+
+/* read JTAG buffer into host-endian uint32_t, flipping bit-order */
+int arm_jtag_buf_to_u32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ uint32_t *dest = priv;
+ *dest = flip_u32(le_to_h_u32(in_buf), 32);
+ return ERROR_OK;
+}
+
+/* read JTAG buffer into little-endian uint32_t, flipping bit-order */
+int arm_jtag_buf_to_le32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ h_u32_to_le(((uint8_t*)priv), flip_u32(le_to_h_u32(in_buf), 32));
+ return ERROR_OK;
+}
+
+/* read JTAG buffer into little-endian uint16_t, flipping bit-order */
+int arm_jtag_buf_to_le16_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ h_u16_to_le(((uint8_t*)priv), flip_u32(le_to_h_u32(in_buf), 32) & 0xffff);
+ return ERROR_OK;
+}
+
+/* read JTAG buffer into big-endian uint32_t, flipping bit-order */
+int arm_jtag_buf_to_be32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ h_u32_to_be(((uint8_t*)priv), flip_u32(le_to_h_u32(in_buf), 32));
+ return ERROR_OK;
+}
+
+/* read JTAG buffer into big-endian uint16_t, flipping bit-order */
+int arm_jtag_buf_to_be16_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ h_u16_to_be(((uint8_t*)priv), flip_u32(le_to_h_u32(in_buf), 32) & 0xffff);
+ return ERROR_OK;
+}
+
+/* read JTAG buffer into uint8_t, flipping bit-order */
+int arm_jtag_buf_to_8_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ uint8_t *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 uint32_t */
+int arm_jtag_buf_to_u32(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ uint32_t *dest = priv;
+ *dest = le_to_h_u32(in_buf);
+ return ERROR_OK;
+}
+
+/* read JTAG buffer into little-endian uint32_t */
+int arm_jtag_buf_to_le32(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ h_u32_to_le(((uint8_t*)priv), le_to_h_u32(in_buf));
+ return ERROR_OK;
+}
+
+/* read JTAG buffer into little-endian uint16_t */
+int arm_jtag_buf_to_le16(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ h_u16_to_le(((uint8_t*)priv), le_to_h_u32(in_buf) & 0xffff);
+ return ERROR_OK;
+}
+
+/* read JTAG buffer into big-endian uint32_t */
+int arm_jtag_buf_to_be32(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ h_u32_to_be(((uint8_t*)priv), le_to_h_u32(in_buf));
+ return ERROR_OK;
+}
+
+/* read JTAG buffer into big-endian uint16_t */
+int arm_jtag_buf_to_be16(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ h_u16_to_be(((uint8_t*)priv), le_to_h_u32(in_buf) & 0xffff);
+ return ERROR_OK;
+}
+
+/* read JTAG buffer into uint8_t */
+int arm_jtag_buf_to_8(uint8_t *in_buf, void *priv, struct scan_field_s *field)
+{
+ uint8_t *dest = priv;
+ *dest = le_to_h_u32(in_buf) & 0xff;
+ return ERROR_OK;
+}
projects / fw / openocd / blobdiff