-/***************************************************************************\r
- * Copyright (C) 2006 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 "virtex2.h"\r
-\r
-#include "pld.h"\r
-#include "xilinx_bit.h"\r
-#include "command.h"\r
-#include "log.h"\r
-#include "jtag.h"\r
-\r
-#include <stdlib.h>\r
-\r
-int virtex2_register_commands(struct command_context_s *cmd_ctx);\r
-int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device);\r
-int virtex2_load(struct pld_device_s *pld_device, char *filename);\r
-\r
-pld_driver_t virtex2_pld =\r
-{\r
- .name = "virtex2",\r
- .register_commands = virtex2_register_commands,\r
- .pld_device_command = virtex2_pld_device_command,\r
- .load = virtex2_load,\r
-};\r
-\r
-int virtex2_set_instr(int chain_pos, u32 new_instr)\r
-{\r
- jtag_device_t *device = jtag_get_device(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 = 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 = NULL;\r
- field.in_handler_priv = NULL;\r
- \r
- jtag_add_ir_scan(1, &field, TAP_RTI);\r
- \r
- free(field.out_value);\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int virtex2_send_32(struct pld_device_s *pld_device, int num_words, u32 *words)\r
-{\r
- virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;\r
- scan_field_t scan_field;\r
- u8 *values;\r
- int i;\r
- \r
- values = malloc(num_words * 4);\r
-\r
- scan_field.device = virtex2_info->chain_pos;\r
- scan_field.num_bits = num_words * 32;\r
- scan_field.out_value = values;\r
- scan_field.out_mask = NULL;\r
- scan_field.in_value = NULL;\r
- scan_field.in_check_value = NULL;\r
- scan_field.in_check_mask = NULL;\r
- scan_field.in_handler = NULL;\r
- scan_field.in_handler_priv = NULL;\r
- \r
- for (i = 0; i < num_words; i++)\r
- buf_set_u32(values + 4 * i, 0, 32, flip_u32(*words++, 32));\r
- \r
- virtex2_set_instr(virtex2_info->chain_pos, 0x5); /* CFG_IN */\r
- \r
- jtag_add_dr_scan(1, &scan_field, TAP_PD);\r
- \r
- free(values);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int virtex2_jtag_buf_to_u32(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
-int virtex2_receive_32(struct pld_device_s *pld_device, int num_words, u32 *words)\r
-{\r
- virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;\r
- scan_field_t scan_field;\r
- \r
- scan_field.device = virtex2_info->chain_pos;\r
- scan_field.num_bits = 32;\r
- scan_field.out_value = NULL;\r
- scan_field.out_mask = NULL;\r
- scan_field.in_value = NULL;\r
- scan_field.in_check_value = NULL;\r
- scan_field.in_check_mask = NULL;\r
- scan_field.in_handler = virtex2_jtag_buf_to_u32;\r
- \r
- virtex2_set_instr(virtex2_info->chain_pos, 0x4); /* CFG_OUT */\r
- \r
- while (num_words--)\r
- {\r
- scan_field.in_handler_priv = words++;\r
- jtag_add_dr_scan(1, &scan_field, TAP_PD);\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int virtex2_read_stat(struct pld_device_s *pld_device, u32 *status)\r
-{\r
- u32 data[5];\r
- \r
- jtag_add_statemove(TAP_TLR);\r
- \r
- data[0] = 0xaa995566; /* synch word */\r
- data[1] = 0x2800E001; /* Type 1, read, address 7, 1 word */\r
- data[2] = 0x20000000; /* NOOP (Type 1, read, address 0, 0 words */\r
- data[3] = 0x20000000; /* NOOP */\r
- data[4] = 0x20000000; /* NOOP */\r
- virtex2_send_32(pld_device, 5, data);\r
- \r
- virtex2_receive_32(pld_device, 1, status);\r
- \r
- jtag_execute_queue();\r
- \r
- DEBUG("status: 0x%8.8x", *status);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int virtex2_load(struct pld_device_s *pld_device, char *filename)\r
-{\r
- virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;\r
- xilinx_bit_file_t bit_file;\r
- int retval;\r
- int i;\r
-\r
- scan_field_t field;\r
-\r
- field.device = virtex2_info->chain_pos;\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 = NULL;\r
- field.in_handler_priv = NULL;\r
- \r
- if ((retval = xilinx_read_bit_file(&bit_file, filename)) != ERROR_OK)\r
- return retval;\r
- \r
- jtag_add_end_state(TAP_RTI);\r
- virtex2_set_instr(virtex2_info->chain_pos, 0xb); /* JPROG_B */\r
- jtag_execute_queue();\r
- jtag_add_sleep(1000);\r
- \r
- virtex2_set_instr(virtex2_info->chain_pos, 0x5); /* CFG_IN */\r
- jtag_execute_queue();\r
- \r
- for (i = 0; i < bit_file.length; i++)\r
- bit_file.data[i] = flip_u32(bit_file.data[i], 8);\r
- \r
- field.num_bits = bit_file.length * 8;\r
- field.out_value = bit_file.data;\r
-\r
- jtag_add_dr_scan(1, &field, TAP_PD);\r
- jtag_execute_queue();\r
- \r
- jtag_add_statemove(TAP_TLR);\r
- \r
- jtag_add_end_state(TAP_RTI);\r
- virtex2_set_instr(virtex2_info->chain_pos, 0xc); /* JSTART */\r
- jtag_add_runtest(13, TAP_RTI);\r
- virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */\r
- virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */\r
- virtex2_set_instr(virtex2_info->chain_pos, 0xc); /* JSTART */\r
- jtag_add_runtest(13, TAP_RTI);\r
- virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */\r
- jtag_execute_queue();\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-int virtex2_handle_read_stat_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
- pld_device_t *device;\r
- virtex2_pld_device_t *virtex2_info;\r
- u32 status;\r
- \r
- if (argc < 1)\r
- {\r
- command_print(cmd_ctx, "usage: virtex2 read_stat <num>");\r
- return ERROR_OK;\r
- }\r
- \r
- device = get_pld_device_by_num(strtoul(args[0], NULL, 0));\r
- if (!device)\r
- {\r
- command_print(cmd_ctx, "pld device '#%s' is out of bounds", args[0]);\r
- return ERROR_OK;\r
- }\r
-\r
- virtex2_info = device->driver_priv;\r
- \r
- virtex2_read_stat(device, &status);\r
- \r
- command_print(cmd_ctx, "virtex2 status register: 0x%8.8x", status);\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int virtex2_register_commands(struct command_context_s *cmd_ctx)\r
-{\r
- command_t *virtex2_cmd = register_command(cmd_ctx, NULL, "virtex2", NULL, COMMAND_ANY, "virtex2 specific commands");\r
-\r
- register_command(cmd_ctx, virtex2_cmd, "read_stat", virtex2_handle_read_stat_command, COMMAND_EXEC,\r
- "read Virtex-II status register");\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device)\r
-{\r
- virtex2_pld_device_t *virtex2_info;\r
- \r
- if (argc < 2)\r
- {\r
- WARNING("incomplete pld device 'virtex2' configuration");\r
- return ERROR_PLD_DEVICE_INVALID;\r
- }\r
- \r
- virtex2_info = malloc(sizeof(virtex2_pld_device_t));\r
- pld_device->driver_priv = virtex2_info;\r
- \r
- virtex2_info->chain_pos = strtoul(args[1], NULL, 0);\r
- \r
- return ERROR_OK;\r
-}\r
+/***************************************************************************
+ * Copyright (C) 2006 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 "virtex2.h"
+#include "xilinx_bit.h"
+#include "pld.h"
+
+
+static int virtex2_register_commands(struct command_context_s *cmd_ctx);
+static int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device);
+static int virtex2_load(struct pld_device_s *pld_device, char *filename);
+
+pld_driver_t virtex2_pld =
+{
+ .name = "virtex2",
+ .register_commands = virtex2_register_commands,
+ .pld_device_command = virtex2_pld_device_command,
+ .load = virtex2_load,
+};
+
+static int virtex2_set_instr(jtag_tap_t *tap, uint32_t new_instr)
+{
+ if (tap == NULL)
+ return ERROR_FAIL;
+
+ if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
+ {
+ scan_field_t field;
+
+ field.tap = tap;
+ field.num_bits = tap->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.in_value = NULL;
+
+ jtag_add_ir_scan(1, &field, jtag_set_end_state(TAP_IDLE));
+
+ free(field.out_value);
+ }
+
+ return ERROR_OK;
+}
+
+static int virtex2_send_32(struct pld_device_s *pld_device,
+ int num_words, uint32_t *words)
+{
+ virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;
+ scan_field_t scan_field;
+ uint8_t *values;
+ int i;
+
+ values = malloc(num_words * 4);
+
+ scan_field.tap = virtex2_info->tap;
+ scan_field.num_bits = num_words * 32;
+ scan_field.out_value = values;
+ scan_field.in_value = NULL;
+
+ for (i = 0; i < num_words; i++)
+ buf_set_u32(values + 4 * i, 0, 32, flip_u32(*words++, 32));
+
+ virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */
+
+ jtag_add_dr_scan(1, &scan_field, jtag_set_end_state(TAP_DRPAUSE));
+
+ free(values);
+
+ return ERROR_OK;
+}
+
+static __inline__ void virtexflip32(jtag_callback_data_t arg)
+{
+ uint8_t *in=(uint8_t *)arg;
+ *((uint32_t *)in) = flip_u32(le_to_h_u32(in), 32);
+}
+
+static int virtex2_receive_32(struct pld_device_s *pld_device,
+ int num_words, uint32_t *words)
+{
+ virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;
+ scan_field_t scan_field;
+
+ scan_field.tap = virtex2_info->tap;
+ scan_field.num_bits = 32;
+ scan_field.out_value = NULL;
+ scan_field.in_value = NULL;
+
+ virtex2_set_instr(virtex2_info->tap, 0x4); /* CFG_OUT */
+
+ while (num_words--)
+ {
+ scan_field.in_value = (uint8_t *)words;
+
+ jtag_add_dr_scan(1, &scan_field, jtag_set_end_state(TAP_DRPAUSE));
+
+ jtag_add_callback(virtexflip32, (jtag_callback_data_t)words);
+
+ words++;;
+ }
+
+ return ERROR_OK;
+}
+
+static int virtex2_read_stat(struct pld_device_s *pld_device, uint32_t *status)
+{
+ uint32_t data[5];
+
+ jtag_add_tlr();
+
+ data[0] = 0xaa995566; /* synch word */
+ data[1] = 0x2800E001; /* Type 1, read, address 7, 1 word */
+ data[2] = 0x20000000; /* NOOP (Type 1, read, address 0, 0 words */
+ data[3] = 0x20000000; /* NOOP */
+ data[4] = 0x20000000; /* NOOP */
+ virtex2_send_32(pld_device, 5, data);
+
+ virtex2_receive_32(pld_device, 1, status);
+
+ jtag_execute_queue();
+
+ LOG_DEBUG("status: 0x%8.8x", *status);
+
+ return ERROR_OK;
+}
+
+static int virtex2_load(struct pld_device_s *pld_device, char *filename)
+{
+ virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;
+ xilinx_bit_file_t bit_file;
+ int retval;
+ unsigned int i;
+ scan_field_t field;
+
+ field.tap = virtex2_info->tap;
+ field.in_value = NULL;
+
+ if ((retval = xilinx_read_bit_file(&bit_file, filename)) != ERROR_OK)
+ return retval;
+
+ jtag_set_end_state(TAP_IDLE);
+ virtex2_set_instr(virtex2_info->tap, 0xb); /* JPROG_B */
+ jtag_execute_queue();
+ jtag_add_sleep(1000);
+
+ virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */
+ jtag_execute_queue();
+
+ for (i = 0; i < bit_file.length; i++)
+ bit_file.data[i] = flip_u32(bit_file.data[i], 8);
+
+ field.num_bits = bit_file.length * 8;
+ field.out_value = bit_file.data;
+
+ jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_DRPAUSE));
+ jtag_execute_queue();
+
+ jtag_add_tlr();
+
+ jtag_set_end_state(TAP_IDLE);
+ virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */
+ jtag_add_runtest(13, jtag_set_end_state(TAP_IDLE));
+ virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
+ virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
+ virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */
+ jtag_add_runtest(13, jtag_set_end_state(TAP_IDLE));
+ virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
+ jtag_execute_queue();
+
+ return ERROR_OK;
+}
+
+static int virtex2_handle_read_stat_command(struct command_context_s *cmd_ctx,
+ char *cmd, char **args, int argc)
+{
+ pld_device_t *device;
+ virtex2_pld_device_t *virtex2_info;
+ uint32_t status;
+
+ if (argc < 1)
+ {
+ command_print(cmd_ctx, "usage: virtex2 read_stat <num>");
+ return ERROR_OK;
+ }
+
+ device = get_pld_device_by_num(strtoul(args[0], NULL, 0));
+ if (!device)
+ {
+ command_print(cmd_ctx, "pld device '#%s' is out of bounds", args[0]);
+ return ERROR_OK;
+ }
+
+ virtex2_info = device->driver_priv;
+
+ virtex2_read_stat(device, &status);
+
+ command_print(cmd_ctx, "virtex2 status register: 0x%8.8x", status);
+
+ return ERROR_OK;
+}
+
+static int virtex2_register_commands(struct command_context_s *cmd_ctx)
+{
+ command_t *virtex2_cmd = register_command(cmd_ctx, NULL, "virtex2", NULL, COMMAND_ANY, "virtex2 specific commands");
+
+ register_command(cmd_ctx, virtex2_cmd, "read_stat", virtex2_handle_read_stat_command, COMMAND_EXEC,
+ "read Virtex-II status register");
+
+ return ERROR_OK;
+}
+
+static int virtex2_pld_device_command(struct command_context_s *cmd_ctx,
+ char *cmd, char **args, int argc, struct pld_device_s *pld_device)
+{
+ jtag_tap_t *tap;
+
+ virtex2_pld_device_t *virtex2_info;
+
+ if (argc < 2)
+ {
+ LOG_WARNING("incomplete pld device 'virtex2' configuration");
+ return ERROR_PLD_DEVICE_INVALID;
+ }
+
+ tap = jtag_tap_by_string(args[1]);
+ if (tap == NULL) {
+ command_print( cmd_ctx, "Tap: %s does not exist", args[1] );
+ return ERROR_OK;
+ }
+
+ virtex2_info = malloc(sizeof(virtex2_pld_device_t));
+ pld_device->driver_priv = virtex2_info;
+ virtex2_info->tap = tap;
+
+ return ERROR_OK;
+}
projects / fw / openocd / blobdiff