+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* 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 "xilinx_bit.h"
#include "pld.h"
-static int virtex2_set_instr(struct jtag_tap *tap, uint32_t new_instr)
+static const struct virtex2_command_set virtex2_default_commands = {
+ .cfg_out = 0x04,
+ .cfg_in = 0x05,
+ .jprog_b = 0x0b,
+ .jstart = 0x0c,
+ .jshutdown = 0x0d,
+ .bypass = 0x3f,
+ .user = {0x02, 0x03},
+ .num_user = 2, /* virtex II has only 2 user instructions */
+};
+
+static int virtex2_set_instr(struct jtag_tap *tap, uint64_t new_instr)
{
- if (tap == NULL)
+ if (!tap)
return ERROR_FAIL;
- if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr) {
+ if (buf_get_u64(tap->cur_instr, 0, tap->ir_length) != new_instr) {
struct scan_field field;
field.num_bits = tap->ir_length;
void *t = calloc(DIV_ROUND_UP(field.num_bits, 8), 1);
+ if (!t) {
+ LOG_ERROR("Out of memory");
+ return ERROR_FAIL;
+ }
field.out_value = t;
- buf_set_u32(t, 0, field.num_bits, new_instr);
+ buf_set_u64(t, 0, field.num_bits, new_instr);
field.in_value = NULL;
jtag_add_ir_scan(tap, &field, TAP_IDLE);
int i;
values = malloc(num_words * 4);
+ if (!values) {
+ LOG_ERROR("Out of memory");
+ return ERROR_FAIL;
+ }
scan_field.num_bits = num_words * 32;
scan_field.out_value = values;
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 */
+ int retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.cfg_in);
+ if (retval != ERROR_OK) {
+ free(values);
+ return retval;
+ }
jtag_add_dr_scan(virtex2_info->tap, 1, &scan_field, TAP_DRPAUSE);
scan_field.out_value = NULL;
scan_field.in_value = NULL;
- virtex2_set_instr(virtex2_info->tap, 0x4); /* CFG_OUT */
+ int retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.cfg_out);
+ if (retval != ERROR_OK)
+ return retval;
while (num_words--) {
scan_field.in_value = (uint8_t *)words;
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);
+ int retval = virtex2_send_32(pld_device, 5, data);
+ if (retval != ERROR_OK)
+ return retval;
- virtex2_receive_32(pld_device, 1, status);
+ retval = virtex2_receive_32(pld_device, 1, status);
+ if (retval != ERROR_OK)
+ return retval;
- jtag_execute_queue();
+ retval = jtag_execute_queue();
+ if (retval == ERROR_OK)
+ LOG_DEBUG("status: 0x%8.8" PRIx32, *status);
- LOG_DEBUG("status: 0x%8.8" PRIx32 "", *status);
+ return retval;
+}
- return ERROR_OK;
+static int virtex2_program(struct pld_device *pld_device)
+{
+ struct virtex2_pld_device *virtex2_info = pld_device->driver_priv;
+ if (!virtex2_info)
+ return ERROR_FAIL;
+
+ int retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.jshutdown);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.jprog_b);
+ if (retval != ERROR_OK)
+ return retval;
+
+ jtag_add_runtest(62000, TAP_IDLE);
+ if (!(virtex2_info->no_jstart)) {
+ retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.jstart);
+ if (retval != ERROR_OK)
+ return retval;
+ }
+
+ retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.bypass);
+ if (retval != ERROR_OK)
+ return retval;
+ jtag_add_runtest(2000, TAP_IDLE);
+
+ return jtag_execute_queue();
+}
+
+static int virtex2_load_prepare(struct pld_device *pld_device)
+{
+ struct virtex2_pld_device *virtex2_info = pld_device->driver_priv;
+ int retval;
+
+ retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.jprog_b);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
+ return retval;
+ jtag_add_sleep(1000);
+
+ retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.cfg_in);
+ if (retval != ERROR_OK)
+ return retval;
+
+ return jtag_execute_queue();
+}
+
+static int virtex2_load_cleanup(struct pld_device *pld_device)
+{
+ struct virtex2_pld_device *virtex2_info = pld_device->driver_priv;
+ int retval;
+
+ jtag_add_tlr();
+
+ if (!(virtex2_info->no_jstart)) {
+ retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.jstart);
+ if (retval != ERROR_OK)
+ return retval;
+ }
+ jtag_add_runtest(13, TAP_IDLE);
+ retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.bypass);
+ if (retval != ERROR_OK)
+ return retval;
+ retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.bypass);
+ if (retval != ERROR_OK)
+ return retval;
+ if (!(virtex2_info->no_jstart)) {
+ retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.jstart);
+ if (retval != ERROR_OK)
+ return retval;
+ }
+ jtag_add_runtest(13, TAP_IDLE);
+ retval = virtex2_set_instr(virtex2_info->tap, virtex2_info->command_set.bypass);
+ if (retval != ERROR_OK)
+ return retval;
+
+ return jtag_execute_queue();
}
static int virtex2_load(struct pld_device *pld_device, const char *filename)
if (retval != ERROR_OK)
return retval;
- 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();
+ retval = virtex2_load_prepare(pld_device);
+ if (retval != ERROR_OK) {
+ xilinx_free_bit_file(&bit_file);
+ return retval;
+ }
for (i = 0; i < bit_file.length; i++)
bit_file.data[i] = flip_u32(bit_file.data[i], 8);
field.out_value = bit_file.data;
jtag_add_dr_scan(virtex2_info->tap, 1, &field, TAP_DRPAUSE);
- jtag_execute_queue();
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK) {
+ xilinx_free_bit_file(&bit_file);
+ return retval;
+ }
- jtag_add_tlr();
+ retval = virtex2_load_cleanup(pld_device);
- virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */
- jtag_add_runtest(13, 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, TAP_IDLE);
- virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
- jtag_execute_queue();
+ xilinx_free_bit_file(&bit_file);
- return ERROR_OK;
+ return retval;
+}
+
+COMMAND_HANDLER(virtex2_handle_refresh_command)
+{
+ struct pld_device *device;
+
+ if (CMD_ARGC != 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ device = get_pld_device_by_name_or_numstr(CMD_ARGV[0]);
+ if (!device) {
+ command_print(CMD, "pld device '#%s' is out of bounds or unknown", CMD_ARGV[0]);
+ return ERROR_FAIL;
+ }
+
+ return virtex2_program(device);
}
COMMAND_HANDLER(virtex2_handle_read_stat_command)
if (CMD_ARGC < 1)
return ERROR_COMMAND_SYNTAX_ERROR;
- unsigned dev_id;
- COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], dev_id);
- device = get_pld_device_by_num(dev_id);
+ device = get_pld_device_by_name_or_numstr(CMD_ARGV[0]);
+ if (!device) {
+ command_print(CMD, "pld device '#%s' is out of bounds or unknown", CMD_ARGV[0]);
+ return ERROR_FAIL;
+ }
+
+ int retval = virtex2_read_stat(device, &status);
+ if (retval != ERROR_OK) {
+ command_print(CMD, "cannot read virtex2 status register");
+ return retval;
+ }
+
+ command_print(CMD, "virtex2 status register: 0x%8.8" PRIx32, status);
+
+ return ERROR_OK;
+}
+
+static int xilinx_get_ipdbg_hub(int user_num, struct pld_device *pld_device, struct pld_ipdbg_hub *hub)
+{
+ if (!pld_device)
+ return ERROR_FAIL;
+
+ struct virtex2_pld_device *pld_device_info = pld_device->driver_priv;
+
+ if (!pld_device_info || !pld_device_info->tap)
+ return ERROR_FAIL;
+
+ hub->tap = pld_device_info->tap;
+ if (user_num < 1 || (unsigned int)user_num > pld_device_info->command_set.num_user) {
+ LOG_ERROR("device has only user register 1 to %d", pld_device_info->command_set.num_user);
+ return ERROR_FAIL;
+ }
+
+ hub->user_ir_code = pld_device_info->command_set.user[user_num - 1];
+ return ERROR_OK;
+}
+
+static int xilinx_get_jtagspi_userircode(struct pld_device *pld_device, unsigned int *ir)
+{
+ if (!pld_device || !pld_device->driver_priv)
+ return ERROR_FAIL;
+ struct virtex2_pld_device *pld_device_info = pld_device->driver_priv;
+
+ if (pld_device_info->command_set.num_user < 1) {
+ LOG_ERROR("code for command 'select user1' is unknown");
+ return ERROR_FAIL;
+ }
+
+ *ir = pld_device_info->command_set.user[0];
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(virtex2_handle_set_instuction_codes_command)
+{
+ if (CMD_ARGC < 6 || CMD_ARGC > (6 + VIRTEX2_MAX_USER_INSTRUCTIONS))
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ struct pld_device *device = get_pld_device_by_name(CMD_ARGV[0]);
if (!device) {
- command_print(CMD_CTX, "pld device '#%s' is out of bounds", CMD_ARGV[0]);
- return ERROR_OK;
+ command_print(CMD, "pld device '#%s' is unknown", CMD_ARGV[0]);
+ return ERROR_FAIL;
}
- virtex2_read_stat(device, &status);
+ struct virtex2_pld_device *virtex2_info = device->driver_priv;
+ if (!virtex2_info)
+ return ERROR_FAIL;
+
+ struct virtex2_command_set instr_codes;
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[1], instr_codes.cfg_out);
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[2], instr_codes.cfg_in);
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[3], instr_codes.jprog_b);
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[4], instr_codes.jstart);
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[5], instr_codes.jshutdown);
+ instr_codes.bypass = 0xffffffffffffffffULL;
- command_print(CMD_CTX, "virtex2 status register: 0x%8.8" PRIx32 "", status);
+ unsigned int num_user = CMD_ARGC - 6;
+ for (unsigned int i = 0; i < num_user; ++i)
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[6 + i], instr_codes.user[i]);
+ instr_codes.num_user = num_user;
+ virtex2_info->command_set = instr_codes;
return ERROR_OK;
}
-PLD_DEVICE_COMMAND_HANDLER(virtex2_pld_device_command)
+COMMAND_HANDLER(virtex2_handle_set_user_codes_command)
{
- struct jtag_tap *tap;
+ if (CMD_ARGC < 2 || CMD_ARGC > (1 + VIRTEX2_MAX_USER_INSTRUCTIONS))
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ struct pld_device *device = get_pld_device_by_name(CMD_ARGV[0]);
+ if (!device) {
+ command_print(CMD, "pld device '#%s' is unknown", CMD_ARGV[0]);
+ return ERROR_FAIL;
+ }
+
+ struct virtex2_pld_device *virtex2_info = device->driver_priv;
+ if (!virtex2_info)
+ return ERROR_FAIL;
- struct virtex2_pld_device *virtex2_info;
+ uint64_t user[VIRTEX2_MAX_USER_INSTRUCTIONS];
+ unsigned int num_user = CMD_ARGC - 1;
+ for (unsigned int i = 0; i < num_user; ++i)
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[1 + i], user[i]);
+ virtex2_info->command_set.num_user = num_user;
+ memcpy(virtex2_info->command_set.user, user, num_user * sizeof(uint64_t));
+ return ERROR_OK;
+}
+
+PLD_CREATE_COMMAND_HANDLER(virtex2_pld_create_command)
+{
+ if (CMD_ARGC < 4)
+ return ERROR_COMMAND_SYNTAX_ERROR;
- if (CMD_ARGC < 2)
+ if (strcmp(CMD_ARGV[2], "-chain-position") != 0)
return ERROR_COMMAND_SYNTAX_ERROR;
- tap = jtag_tap_by_string(CMD_ARGV[1]);
- if (tap == NULL) {
- command_print(CMD_CTX, "Tap: %s does not exist", CMD_ARGV[1]);
- return ERROR_OK;
+ struct jtag_tap *tap = jtag_tap_by_string(CMD_ARGV[3]);
+ if (!tap) {
+ command_print(CMD, "Tap: %s does not exist", CMD_ARGV[3]);
+ return ERROR_FAIL;
}
- virtex2_info = malloc(sizeof(struct virtex2_pld_device));
+ struct virtex2_pld_device *virtex2_info = malloc(sizeof(struct virtex2_pld_device));
+ if (!virtex2_info) {
+ LOG_ERROR("Out of memory");
+ return ERROR_FAIL;
+ }
virtex2_info->tap = tap;
+ virtex2_info->command_set = virtex2_default_commands;
+
+ virtex2_info->no_jstart = 0;
+ if (CMD_ARGC >= 5 && strcmp(CMD_ARGV[4], "-no_jstart") == 0)
+ virtex2_info->no_jstart = 1;
pld->driver_priv = virtex2_info;
.mode = COMMAND_EXEC,
.handler = virtex2_handle_read_stat_command,
.help = "read status register",
- .usage = "pld_num",
+ .usage = "pld_name",
+ }, {
+ .name = "set_instr_codes",
+ .mode = COMMAND_ANY,
+ .handler = virtex2_handle_set_instuction_codes_command,
+ .help = "set instructions codes used for loading the bitstream/refreshing/jtag-hub",
+ .usage = "pld_name cfg_out cfg_in jprogb jstart jshutdown"
+ " [user1 [user2 [user3 [user4]]]]",
+ }, {
+ .name = "set_user_codes",
+ .mode = COMMAND_ANY,
+ .handler = virtex2_handle_set_user_codes_command,
+ .help = "set instructions codes used for jtag-hub",
+ .usage = "pld_name user1 [user2 [user3 [user4]]]",
+ }, {
+ .name = "refresh",
+ .mode = COMMAND_EXEC,
+ .handler = virtex2_handle_refresh_command,
+ .help = "start loading of configuration (program)",
+ .usage = "pld_name",
},
COMMAND_REGISTRATION_DONE
};
+
static const struct command_registration virtex2_command_handler[] = {
{
.name = "virtex2",
struct pld_driver virtex2_pld = {
.name = "virtex2",
.commands = virtex2_command_handler,
- .pld_device_command = &virtex2_pld_device_command,
+ .pld_create_command = &virtex2_pld_create_command,
.load = &virtex2_load,
+ .get_ipdbg_hub = xilinx_get_ipdbg_hub,
+ .get_jtagspi_userircode = xilinx_get_jtagspi_userircode,
};
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