Audit and eliminate redundant #include directives in src/{pld,svf,xsvf}.
[openocd.git] / src / pld / virtex2.c
1 /***************************************************************************
2 * Copyright (C) 2006 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
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. *
9 * *
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. *
14 * *
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 ***************************************************************************/
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include "virtex2.h"
25 #include "xilinx_bit.h"
26 #include "pld.h"
27
28
29 int virtex2_register_commands(struct command_context_s *cmd_ctx);
30 int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device);
31 int virtex2_load(struct pld_device_s *pld_device, char *filename);
32
33 pld_driver_t virtex2_pld =
34 {
35 .name = "virtex2",
36 .register_commands = virtex2_register_commands,
37 .pld_device_command = virtex2_pld_device_command,
38 .load = virtex2_load,
39 };
40
41 int virtex2_set_instr(jtag_tap_t *tap, u32 new_instr)
42 {
43 if (tap==NULL)
44 return ERROR_FAIL;
45
46 if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
47 {
48 scan_field_t field;
49
50 field.tap = tap;
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
55 field.in_value = NULL;
56
57
58
59
60
61 jtag_add_ir_scan(1, &field, TAP_IDLE);
62
63 free(field.out_value);
64 }
65
66 return ERROR_OK;
67 }
68
69 int virtex2_send_32(struct pld_device_s *pld_device, int num_words, u32 *words)
70 {
71 virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;
72 scan_field_t scan_field;
73 u8 *values;
74 int i;
75
76 values = malloc(num_words * 4);
77
78 scan_field.tap = virtex2_info->tap;
79 scan_field.num_bits = num_words * 32;
80 scan_field.out_value = values;
81 scan_field.in_value = NULL;
82
83 for (i = 0; i < num_words; i++)
84 buf_set_u32(values + 4 * i, 0, 32, flip_u32(*words++, 32));
85
86 virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */
87
88 jtag_add_dr_scan(1, &scan_field, TAP_DRPAUSE);
89
90 free(values);
91
92 return ERROR_OK;
93 }
94
95
96 int virtex2_receive_32(struct pld_device_s *pld_device, int num_words, u32 *words)
97 {
98 virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;
99 scan_field_t scan_field;
100
101 scan_field.tap = virtex2_info->tap;
102 scan_field.num_bits = 32;
103 scan_field.out_value = NULL;
104 u8 tmp[4];
105 scan_field.in_value = tmp;
106
107 virtex2_set_instr(virtex2_info->tap, 0x4); /* CFG_OUT */
108
109 while (num_words--)
110 {
111 jtag_add_dr_scan_now(1, &scan_field, TAP_DRPAUSE);
112
113 *words++=flip_u32(le_to_h_u32(tmp), 32);
114 }
115
116 return ERROR_OK;
117 }
118
119 int virtex2_read_stat(struct pld_device_s *pld_device, u32 *status)
120 {
121 u32 data[5];
122
123 jtag_add_tlr();
124
125 data[0] = 0xaa995566; /* synch word */
126 data[1] = 0x2800E001; /* Type 1, read, address 7, 1 word */
127 data[2] = 0x20000000; /* NOOP (Type 1, read, address 0, 0 words */
128 data[3] = 0x20000000; /* NOOP */
129 data[4] = 0x20000000; /* NOOP */
130 virtex2_send_32(pld_device, 5, data);
131
132 virtex2_receive_32(pld_device, 1, status);
133
134 jtag_execute_queue();
135
136 LOG_DEBUG("status: 0x%8.8x", *status);
137
138 return ERROR_OK;
139 }
140
141 int virtex2_load(struct pld_device_s *pld_device, char *filename)
142 {
143 virtex2_pld_device_t *virtex2_info = pld_device->driver_priv;
144 xilinx_bit_file_t bit_file;
145 int retval;
146 unsigned int i;
147
148 scan_field_t field;
149
150 field.tap = virtex2_info->tap;
151
152 field.in_value = NULL;
153
154
155
156
157
158 if ((retval = xilinx_read_bit_file(&bit_file, filename)) != ERROR_OK)
159 return retval;
160
161 jtag_add_end_state(TAP_IDLE);
162 virtex2_set_instr(virtex2_info->tap, 0xb); /* JPROG_B */
163 jtag_execute_queue();
164 jtag_add_sleep(1000);
165
166 virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */
167 jtag_execute_queue();
168
169 for (i = 0; i < bit_file.length; i++)
170 bit_file.data[i] = flip_u32(bit_file.data[i], 8);
171
172 field.num_bits = bit_file.length * 8;
173 field.out_value = bit_file.data;
174
175 jtag_add_dr_scan(1, &field, TAP_DRPAUSE);
176 jtag_execute_queue();
177
178 jtag_add_tlr();
179
180 jtag_add_end_state(TAP_IDLE);
181 virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */
182 jtag_add_runtest(13, TAP_IDLE);
183 virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
184 virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
185 virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */
186 jtag_add_runtest(13, TAP_IDLE);
187 virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */
188 jtag_execute_queue();
189
190 return ERROR_OK;
191 }
192
193 int virtex2_handle_read_stat_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
194 {
195 pld_device_t *device;
196 virtex2_pld_device_t *virtex2_info;
197 u32 status;
198
199 if (argc < 1)
200 {
201 command_print(cmd_ctx, "usage: virtex2 read_stat <num>");
202 return ERROR_OK;
203 }
204
205 device = get_pld_device_by_num(strtoul(args[0], NULL, 0));
206 if (!device)
207 {
208 command_print(cmd_ctx, "pld device '#%s' is out of bounds", args[0]);
209 return ERROR_OK;
210 }
211
212 virtex2_info = device->driver_priv;
213
214 virtex2_read_stat(device, &status);
215
216 command_print(cmd_ctx, "virtex2 status register: 0x%8.8x", status);
217
218 return ERROR_OK;
219 }
220
221 int virtex2_register_commands(struct command_context_s *cmd_ctx)
222 {
223 command_t *virtex2_cmd = register_command(cmd_ctx, NULL, "virtex2", NULL, COMMAND_ANY, "virtex2 specific commands");
224
225 register_command(cmd_ctx, virtex2_cmd, "read_stat", virtex2_handle_read_stat_command, COMMAND_EXEC,
226 "read Virtex-II status register");
227
228 return ERROR_OK;
229 }
230
231 int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device)
232 {
233 jtag_tap_t *tap;
234
235 virtex2_pld_device_t *virtex2_info;
236
237 if (argc < 2)
238 {
239 LOG_WARNING("incomplete pld device 'virtex2' configuration");
240 return ERROR_PLD_DEVICE_INVALID;
241 }
242
243 tap = jtag_TapByString( args[1] );
244 if( tap == NULL ){
245 command_print( cmd_ctx, "Tap: %s does not exist", args[1] );
246 return ERROR_OK;
247 }
248
249 virtex2_info = malloc(sizeof(virtex2_pld_device_t));
250 pld_device->driver_priv = virtex2_info;
251 virtex2_info->tap = tap;
252
253 return ERROR_OK;
254 }