diff options
Diffstat (limited to 'src/pld/virtex2.c')
-rw-r--r-- | src/pld/virtex2.c | 528 |
1 files changed, 264 insertions, 264 deletions
diff --git a/src/pld/virtex2.c b/src/pld/virtex2.c index a31c37d..e0cd1a1 100644 --- a/src/pld/virtex2.c +++ b/src/pld/virtex2.c @@ -1,264 +1,264 @@ -/*************************************************************************** - * 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 "pld.h" -#include "xilinx_bit.h" -#include "command.h" -#include "log.h" -#include "jtag.h" - -#include <stdlib.h> - -int virtex2_register_commands(struct command_context_s *cmd_ctx); -int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device); -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, -}; - -int virtex2_set_instr(int chain_pos, u32 new_instr) -{ - jtag_device_t *device = jtag_get_device(chain_pos); - - if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr) - { - scan_field_t field; - - field.device = 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 = NULL; - field.in_handler_priv = NULL; - - jtag_add_ir_scan(1, &field, TAP_RTI, NULL); - - free(field.out_value); - } - - return ERROR_OK; -} - -int virtex2_send_32(struct pld_device_s *pld_device, int num_words, u32 *words) -{ - virtex2_pld_device_t *virtex2_info = pld_device->driver_priv; - scan_field_t scan_field; - u8 *values; - int i; - - values = malloc(num_words * 4); - - scan_field.device = virtex2_info->chain_pos; - scan_field.num_bits = num_words * 32; - scan_field.out_value = values; - scan_field.out_mask = NULL; - scan_field.in_value = NULL; - scan_field.in_check_value = NULL; - scan_field.in_check_mask = NULL; - scan_field.in_handler = NULL; - scan_field.in_handler_priv = 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->chain_pos, 0x5); /* CFG_IN */ - - jtag_add_dr_scan(1, &scan_field, TAP_PD, NULL); - - free(values); - - return ERROR_OK; -} - -int virtex2_jtag_buf_to_u32(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; -} - -int virtex2_receive_32(struct pld_device_s *pld_device, int num_words, u32 *words) -{ - virtex2_pld_device_t *virtex2_info = pld_device->driver_priv; - scan_field_t scan_field; - - scan_field.device = virtex2_info->chain_pos; - scan_field.num_bits = 32; - scan_field.out_value = NULL; - scan_field.out_mask = NULL; - scan_field.in_value = NULL; - scan_field.in_check_value = NULL; - scan_field.in_check_mask = NULL; - scan_field.in_handler = virtex2_jtag_buf_to_u32; - - virtex2_set_instr(virtex2_info->chain_pos, 0x4); /* CFG_OUT */ - - while (num_words--) - { - scan_field.in_handler_priv = words++; - jtag_add_dr_scan(1, &scan_field, TAP_PD, NULL); - } - - return ERROR_OK; -} - -int virtex2_read_stat(struct pld_device_s *pld_device, u32 *status) -{ - u32 data[5]; - - jtag_add_statemove(TAP_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(); - - DEBUG("status: 0x%8.8x", *status); - - return ERROR_OK; -} - -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; - int i; - - scan_field_t field; - - field.device = virtex2_info->chain_pos; - field.out_mask = NULL; - field.in_value = NULL; - field.in_check_value = NULL; - field.in_check_mask = NULL; - field.in_handler = NULL; - field.in_handler_priv = NULL; - - if ((retval = xilinx_read_bit_file(&bit_file, filename)) != ERROR_OK) - return retval; - - jtag_add_end_state(TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0xb); /* JPROG_B */ - jtag_execute_queue(); - jtag_add_sleep(1000); - - virtex2_set_instr(virtex2_info->chain_pos, 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, TAP_PD, NULL); - jtag_execute_queue(); - - jtag_add_statemove(TAP_TLR); - - jtag_add_end_state(TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0xc); /* JSTART */ - jtag_add_runtest(13, TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */ - virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */ - virtex2_set_instr(virtex2_info->chain_pos, 0xc); /* JSTART */ - jtag_add_runtest(13, TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */ - jtag_execute_queue(); - - return ERROR_OK; -} - -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; - u32 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; -} - -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; -} - -int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device) -{ - virtex2_pld_device_t *virtex2_info; - - if (argc < 2) - { - WARNING("incomplete pld device 'virtex2' configuration"); - return ERROR_PLD_DEVICE_INVALID; - } - - virtex2_info = malloc(sizeof(virtex2_pld_device_t)); - pld_device->driver_priv = virtex2_info; - - virtex2_info->chain_pos = strtoul(args[1], NULL, 0); - - return ERROR_OK; -} +/***************************************************************************
+ * 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 "pld.h"
+#include "xilinx_bit.h"
+#include "command.h"
+#include "log.h"
+#include "jtag.h"
+
+#include <stdlib.h>
+
+int virtex2_register_commands(struct command_context_s *cmd_ctx);
+int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device);
+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,
+};
+
+int virtex2_set_instr(int chain_pos, u32 new_instr)
+{
+ jtag_device_t *device = jtag_get_device(chain_pos);
+
+ if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr)
+ {
+ scan_field_t field;
+
+ field.device = 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 = NULL;
+ field.in_handler_priv = NULL;
+
+ jtag_add_ir_scan(1, &field, TAP_RTI);
+
+ free(field.out_value);
+ }
+
+ return ERROR_OK;
+}
+
+int virtex2_send_32(struct pld_device_s *pld_device, int num_words, u32 *words)
+{
+ virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;
+ scan_field_t scan_field;
+ u8 *values;
+ int i;
+
+ values = malloc(num_words * 4);
+
+ scan_field.device = virtex2_info->chain_pos;
+ scan_field.num_bits = num_words * 32;
+ scan_field.out_value = values;
+ scan_field.out_mask = NULL;
+ scan_field.in_value = NULL;
+ scan_field.in_check_value = NULL;
+ scan_field.in_check_mask = NULL;
+ scan_field.in_handler = NULL;
+ scan_field.in_handler_priv = 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->chain_pos, 0x5); /* CFG_IN */
+
+ jtag_add_dr_scan(1, &scan_field, TAP_PD);
+
+ free(values);
+
+ return ERROR_OK;
+}
+
+int virtex2_jtag_buf_to_u32(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;
+}
+
+int virtex2_receive_32(struct pld_device_s *pld_device, int num_words, u32 *words)
+{
+ virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;
+ scan_field_t scan_field;
+
+ scan_field.device = virtex2_info->chain_pos;
+ scan_field.num_bits = 32;
+ scan_field.out_value = NULL;
+ scan_field.out_mask = NULL;
+ scan_field.in_value = NULL;
+ scan_field.in_check_value = NULL;
+ scan_field.in_check_mask = NULL;
+ scan_field.in_handler = virtex2_jtag_buf_to_u32;
+
+ virtex2_set_instr(virtex2_info->chain_pos, 0x4); /* CFG_OUT */
+
+ while (num_words--)
+ {
+ scan_field.in_handler_priv = words++;
+ jtag_add_dr_scan(1, &scan_field, TAP_PD);
+ }
+
+ return ERROR_OK;
+}
+
+int virtex2_read_stat(struct pld_device_s *pld_device, u32 *status)
+{
+ u32 data[5];
+
+ jtag_add_statemove(TAP_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();
+
+ DEBUG("status: 0x%8.8x", *status);
+
+ return ERROR_OK;
+}
+
+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;
+ int i;
+
+ scan_field_t field;
+
+ field.device = virtex2_info->chain_pos;
+ field.out_mask = NULL;
+ field.in_value = NULL;
+ field.in_check_value = NULL;
+ field.in_check_mask = NULL;
+ field.in_handler = NULL;
+ field.in_handler_priv = NULL;
+
+ if ((retval = xilinx_read_bit_file(&bit_file, filename)) != ERROR_OK)
+ return retval;
+
+ jtag_add_end_state(TAP_RTI);
+ virtex2_set_instr(virtex2_info->chain_pos, 0xb); /* JPROG_B */
+ jtag_execute_queue();
+ jtag_add_sleep(1000);
+
+ virtex2_set_instr(virtex2_info->chain_pos, 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, TAP_PD);
+ jtag_execute_queue();
+
+ jtag_add_statemove(TAP_TLR);
+
+ jtag_add_end_state(TAP_RTI);
+ virtex2_set_instr(virtex2_info->chain_pos, 0xc); /* JSTART */
+ jtag_add_runtest(13, TAP_RTI);
+ virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */
+ virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */
+ virtex2_set_instr(virtex2_info->chain_pos, 0xc); /* JSTART */
+ jtag_add_runtest(13, TAP_RTI);
+ virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */
+ jtag_execute_queue();
+
+ return ERROR_OK;
+}
+
+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;
+ u32 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;
+}
+
+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;
+}
+
+int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device)
+{
+ virtex2_pld_device_t *virtex2_info;
+
+ if (argc < 2)
+ {
+ WARNING("incomplete pld device 'virtex2' configuration");
+ return ERROR_PLD_DEVICE_INVALID;
+ }
+
+ virtex2_info = malloc(sizeof(virtex2_pld_device_t));
+ pld_device->driver_priv = virtex2_info;
+
+ virtex2_info->chain_pos = strtoul(args[1], NULL, 0);
+
+ return ERROR_OK;
+}
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