1 /***************************************************************************
2 * Copyright (C) 2006 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
25 #include "xilinx_bit.h"
29 static int virtex2_register_commands(struct command_context_s
*cmd_ctx
);
30 static int virtex2_pld_device_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
, struct pld_device_s
*pld_device
);
31 static int virtex2_load(struct pld_device_s
*pld_device
, char *filename
);
33 pld_driver_t virtex2_pld
=
36 .register_commands
= virtex2_register_commands
,
37 .pld_device_command
= virtex2_pld_device_command
,
41 static int virtex2_set_instr(jtag_tap_t
*tap
, uint32_t new_instr
)
46 if (buf_get_u32(tap
->cur_instr
, 0, tap
->ir_length
) != new_instr
)
51 field
.num_bits
= tap
->ir_length
;
52 field
.out_value
= calloc(CEIL(field
.num_bits
, 8), 1);
53 buf_set_u32(field
.out_value
, 0, field
.num_bits
, new_instr
);
54 field
.in_value
= NULL
;
56 jtag_add_ir_scan(1, &field
, jtag_set_end_state(TAP_IDLE
));
58 free(field
.out_value
);
64 static int virtex2_send_32(struct pld_device_s
*pld_device
,
65 int num_words
, uint32_t *words
)
67 virtex2_pld_device_t
*virtex2_info
= pld_device
->driver_priv
;
68 scan_field_t scan_field
;
72 values
= malloc(num_words
* 4);
74 scan_field
.tap
= virtex2_info
->tap
;
75 scan_field
.num_bits
= num_words
* 32;
76 scan_field
.out_value
= values
;
77 scan_field
.in_value
= NULL
;
79 for (i
= 0; i
< num_words
; i
++)
80 buf_set_u32(values
+ 4 * i
, 0, 32, flip_u32(*words
++, 32));
82 virtex2_set_instr(virtex2_info
->tap
, 0x5); /* CFG_IN */
84 jtag_add_dr_scan(1, &scan_field
, jtag_set_end_state(TAP_DRPAUSE
));
91 static __inline__
void virtexflip32(jtag_callback_data_t arg
)
93 uint8_t *in
= (uint8_t *)arg
;
94 *((uint32_t *)in
) = flip_u32(le_to_h_u32(in
), 32);
97 static int virtex2_receive_32(struct pld_device_s
*pld_device
,
98 int num_words
, uint32_t *words
)
100 virtex2_pld_device_t
*virtex2_info
= pld_device
->driver_priv
;
101 scan_field_t scan_field
;
103 scan_field
.tap
= virtex2_info
->tap
;
104 scan_field
.num_bits
= 32;
105 scan_field
.out_value
= NULL
;
106 scan_field
.in_value
= NULL
;
108 virtex2_set_instr(virtex2_info
->tap
, 0x4); /* CFG_OUT */
112 scan_field
.in_value
= (uint8_t *)words
;
114 jtag_add_dr_scan(1, &scan_field
, jtag_set_end_state(TAP_DRPAUSE
));
116 jtag_add_callback(virtexflip32
, (jtag_callback_data_t
)words
);
124 static int virtex2_read_stat(struct pld_device_s
*pld_device
, uint32_t *status
)
130 data
[0] = 0xaa995566; /* synch word */
131 data
[1] = 0x2800E001; /* Type 1, read, address 7, 1 word */
132 data
[2] = 0x20000000; /* NOOP (Type 1, read, address 0, 0 words */
133 data
[3] = 0x20000000; /* NOOP */
134 data
[4] = 0x20000000; /* NOOP */
135 virtex2_send_32(pld_device
, 5, data
);
137 virtex2_receive_32(pld_device
, 1, status
);
139 jtag_execute_queue();
141 LOG_DEBUG("status: 0x%8.8" PRIx32
"", *status
);
146 static int virtex2_load(struct pld_device_s
*pld_device
, char *filename
)
148 virtex2_pld_device_t
*virtex2_info
= pld_device
->driver_priv
;
149 xilinx_bit_file_t bit_file
;
154 field
.tap
= virtex2_info
->tap
;
155 field
.in_value
= NULL
;
157 if ((retval
= xilinx_read_bit_file(&bit_file
, filename
)) != ERROR_OK
)
160 jtag_set_end_state(TAP_IDLE
);
161 virtex2_set_instr(virtex2_info
->tap
, 0xb); /* JPROG_B */
162 jtag_execute_queue();
163 jtag_add_sleep(1000);
165 virtex2_set_instr(virtex2_info
->tap
, 0x5); /* CFG_IN */
166 jtag_execute_queue();
168 for (i
= 0; i
< bit_file
.length
; i
++)
169 bit_file
.data
[i
] = flip_u32(bit_file
.data
[i
], 8);
171 field
.num_bits
= bit_file
.length
* 8;
172 field
.out_value
= bit_file
.data
;
174 jtag_add_dr_scan(1, &field
, jtag_set_end_state(TAP_DRPAUSE
));
175 jtag_execute_queue();
179 jtag_set_end_state(TAP_IDLE
);
180 virtex2_set_instr(virtex2_info
->tap
, 0xc); /* JSTART */
181 jtag_add_runtest(13, jtag_set_end_state(TAP_IDLE
));
182 virtex2_set_instr(virtex2_info
->tap
, 0x3f); /* BYPASS */
183 virtex2_set_instr(virtex2_info
->tap
, 0x3f); /* BYPASS */
184 virtex2_set_instr(virtex2_info
->tap
, 0xc); /* JSTART */
185 jtag_add_runtest(13, jtag_set_end_state(TAP_IDLE
));
186 virtex2_set_instr(virtex2_info
->tap
, 0x3f); /* BYPASS */
187 jtag_execute_queue();
192 static int virtex2_handle_read_stat_command(struct command_context_s
*cmd_ctx
,
193 char *cmd
, char **args
, int argc
)
195 pld_device_t
*device
;
196 virtex2_pld_device_t
*virtex2_info
;
201 command_print(cmd_ctx
, "usage: virtex2 read_stat <num>");
205 device
= get_pld_device_by_num(strtoul(args
[0], NULL
, 0));
208 command_print(cmd_ctx
, "pld device '#%s' is out of bounds", args
[0]);
212 virtex2_info
= device
->driver_priv
;
214 virtex2_read_stat(device
, &status
);
216 command_print(cmd_ctx
, "virtex2 status register: 0x%8.8" PRIx32
"", status
);
221 static int virtex2_register_commands(struct command_context_s
*cmd_ctx
)
223 command_t
*virtex2_cmd
= register_command(cmd_ctx
, NULL
, "virtex2", NULL
, COMMAND_ANY
, "virtex2 specific commands");
225 register_command(cmd_ctx
, virtex2_cmd
, "read_stat", virtex2_handle_read_stat_command
, COMMAND_EXEC
,
226 "read Virtex-II status register");
231 static int virtex2_pld_device_command(struct command_context_s
*cmd_ctx
,
232 char *cmd
, char **args
, int argc
, struct pld_device_s
*pld_device
)
236 virtex2_pld_device_t
*virtex2_info
;
240 LOG_WARNING("incomplete pld device 'virtex2' configuration");
241 return ERROR_PLD_DEVICE_INVALID
;
244 tap
= jtag_tap_by_string(args
[1]);
246 command_print(cmd_ctx
, "Tap: %s does not exist", args
[1]);
250 virtex2_info
= malloc(sizeof(virtex2_pld_device_t
));
251 pld_device
->driver_priv
= virtex2_info
;
252 virtex2_info
->tap
= tap
;
Linking to existing account procedure
If you already have an account and want to add another login method
you
MUST first sign in with your existing account and
then change URL to read
https://review.openocd.org/login/?link
to get to this page again but this time it'll work for linking. Thank you.
SSH host keys fingerprints
1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=.. |
|+o.. . |
|*.o . . |
|+B . . . |
|Bo. = o S |
|Oo.+ + = |
|oB=.* = . o |
| =+=.+ + E |
|. .=o . o |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)