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14#include <command.h>
15#include <log.h>
16#include <stddef.h>
17#include <common.h>
18#include <asm/arch/sci/sci.h>
19#include <asm/arch-imx8/imx8-pins.h>
20#include <asm/arch-imx8/snvs_security_sc.h>
21#include <asm/global_data.h>
22
23
24DECLARE_GLOBAL_DATA_PTR;
25
26#define SC_WRITE_CONF 1
27
28#define PGD_HEX_VALUE 0x41736166
29#define SRTC_EN 0x1
30#define DP_EN BIT(5)
31
32struct snvs_security_sc_conf {
33 struct snvs_hp_conf {
34 u32 lock;
35 u32 __cmd;
36 u32 __ctl;
37 u32 secvio_intcfg;
38
39
40 u32 secvio_ctl;
41 u32 status;
42 u32 secvio_status;
43 u32 __ha_counteriv;
44 u32 __ha_counter;
45 u32 __rtc_msb;
46 u32 __rtc_lsb;
47 u32 __time_alarm_msb;
48 u32 __time_alarm_lsb;
49 } hp;
50 struct snvs_lp_conf {
51 u32 lock;
52 u32 __ctl;
53 u32 __mstr_key_ctl;
54 u32 secvio_ctl;
55 u32 tamper_filt_cfg;
56 u32 tamper_det_cfg;
57 u32 status;
58 u32 __srtc_msb;
59 u32 __srtc_lsb;
60 u32 __time_alarm;
61 u32 __smc_msb;
62 u32 __smc_lsb;
63 u32 __pwr_glitch_det;
64 u32 __gen_purpose;
65 u8 __zmk[32];
66 u32 __rsvd0;
67 u32 __gen_purposes[4];
68 u32 tamper_det_cfg2;
69 u32 tamper_det_status;
70 u32 tamper_filt1_cfg;
71 u32 tamper_filt2_cfg;
72 u32 __rsvd1[4];
73 u32 act_tamper1_cfg;
74 u32 act_tamper2_cfg;
75 u32 act_tamper3_cfg;
76 u32 act_tamper4_cfg;
77 u32 act_tamper5_cfg;
78 u32 __rsvd2[3];
79 u32 act_tamper_ctl;
80 u32 act_tamper_clk_ctl;
81 u32 act_tamper_routing_ctl1;
82 u32 act_tamper_routing_ctl2;
83 } lp;
84};
85
86static struct snvs_security_sc_conf snvs_default_config = {
87 .hp = {
88 .lock = 0x1f0703ff,
89 .secvio_ctl = 0x3000007f,
90 },
91 .lp = {
92 .lock = 0x1f0003ff,
93 .secvio_ctl = 0x36,
94 .tamper_filt_cfg = 0,
95 .tamper_det_cfg = 0x76,
96
97
98 .tamper_det_cfg2 = 0,
99 .tamper_filt1_cfg = 0,
100 .tamper_filt2_cfg = 0,
101 .act_tamper1_cfg = 0,
102 .act_tamper2_cfg = 0,
103 .act_tamper3_cfg = 0,
104 .act_tamper4_cfg = 0,
105 .act_tamper5_cfg = 0,
106 .act_tamper_ctl = 0,
107 .act_tamper_clk_ctl = 0,
108 .act_tamper_routing_ctl1 = 0,
109 .act_tamper_routing_ctl2 = 0,
110 }
111};
112
113static struct snvs_security_sc_conf snvs_passive_vcc_config = {
114 .hp = {
115 .lock = 0x1f0703ff,
116 .secvio_ctl = 0x3000007f,
117 },
118 .lp = {
119 .lock = 0x1f0003ff,
120 .secvio_ctl = 0x36,
121 .tamper_filt_cfg = 0,
122 .tamper_det_cfg = 0x276,
123
124
125
126 .tamper_det_cfg2 = 0,
127 .tamper_filt1_cfg = 0,
128 .tamper_filt2_cfg = 0,
129 .act_tamper1_cfg = 0,
130 .act_tamper2_cfg = 0,
131 .act_tamper3_cfg = 0,
132 .act_tamper4_cfg = 0,
133 .act_tamper5_cfg = 0,
134 .act_tamper_ctl = 0,
135 .act_tamper_clk_ctl = 0,
136 .act_tamper_routing_ctl1 = 0,
137 .act_tamper_routing_ctl2 = 0,
138 }
139};
140
141static struct snvs_security_sc_conf snvs_passive_gnd_config = {
142 .hp = {
143 .lock = 0x1f0703ff,
144 .secvio_ctl = 0x3000007f,
145 },
146 .lp = {
147 .lock = 0x1f0003ff,
148 .secvio_ctl = 0x36,
149 .tamper_filt_cfg = 0,
150 .tamper_det_cfg = 0xa76,
151
152
153
154 .tamper_det_cfg2 = 0,
155 .tamper_filt1_cfg = 0,
156 .tamper_filt2_cfg = 0,
157 .act_tamper1_cfg = 0,
158 .act_tamper2_cfg = 0,
159 .act_tamper3_cfg = 0,
160 .act_tamper4_cfg = 0,
161 .act_tamper5_cfg = 0,
162 .act_tamper_ctl = 0,
163 .act_tamper_clk_ctl = 0,
164 .act_tamper_routing_ctl1 = 0,
165 .act_tamper_routing_ctl2 = 0,
166 }
167};
168
169static struct snvs_security_sc_conf snvs_active_config = {
170 .hp = {
171 .lock = 0x1f0703ff,
172 .secvio_ctl = 0x3000007f,
173 },
174 .lp = {
175 .lock = 0x1f0003ff,
176 .secvio_ctl = 0x36,
177 .tamper_filt_cfg = 0x00800000,
178 .tamper_det_cfg = 0x276,
179
180
181 .tamper_det_cfg2 = 0,
182 .tamper_filt1_cfg = 0,
183 .tamper_filt2_cfg = 0,
184 .act_tamper1_cfg = 0x84001111,
185 .act_tamper2_cfg = 0,
186 .act_tamper3_cfg = 0,
187 .act_tamper4_cfg = 0,
188 .act_tamper5_cfg = 0,
189 .act_tamper_ctl = 0x00010001,
190 .act_tamper_clk_ctl = 0,
191 .act_tamper_routing_ctl1 = 0x1,
192 .act_tamper_routing_ctl2 = 0,
193 }
194};
195
196static struct snvs_security_sc_conf *get_snvs_config(void)
197{
198 return &snvs_default_config;
199}
200
201struct snvs_dgo_conf {
202 u32 tamper_offset_ctl;
203 u32 tamper_pull_ctl;
204 u32 tamper_ana_test_ctl;
205 u32 tamper_sensor_trim_ctl;
206 u32 tamper_misc_ctl;
207 u32 tamper_core_volt_mon_ctl;
208};
209
210static struct snvs_dgo_conf snvs_dgo_default_config = {
211 .tamper_misc_ctl = 0x80000000,
212};
213
214static struct snvs_dgo_conf snvs_dgo_passive_vcc_config = {
215 .tamper_misc_ctl = 0x80000000,
216 .tamper_pull_ctl = 0x00000001,
217 .tamper_ana_test_ctl = 0x20000000,
218};
219
220static struct snvs_dgo_conf snvs_dgo_passive_gnd_config = {
221 .tamper_misc_ctl = 0x80000000,
222 .tamper_pull_ctl = 0x00000401,
223 .tamper_ana_test_ctl = 0x20000000,
224};
225
226static struct snvs_dgo_conf snvs_dgo_active_config = {
227 .tamper_misc_ctl = 0x80000000,
228 .tamper_ana_test_ctl = 0x20000000,
229};
230
231static struct snvs_dgo_conf *get_snvs_dgo_config(void)
232{
233 return &snvs_dgo_default_config;
234}
235
236struct tamper_pin_cfg {
237 u32 pad;
238 u32 mux_conf;
239};
240
241static struct tamper_pin_cfg tamper_pin_list_default_config[] = {
242 {SC_P_CSI_D00, 0},
243 {SC_P_CSI_D01, 0},
244 {SC_P_CSI_D02, 0},
245 {SC_P_CSI_D03, 0},
246 {SC_P_CSI_D04, 0},
247 {SC_P_CSI_D05, 0},
248 {SC_P_CSI_D06, 0},
249 {SC_P_CSI_D07, 0},
250 {SC_P_CSI_HSYNC, 0},
251 {SC_P_CSI_VSYNC, 0},
252};
253
254static struct tamper_pin_cfg tamper_pin_list_passive_vcc_config[] = {
255 {SC_P_CSI_D05, 0x1c000060},
256};
257
258static struct tamper_pin_cfg tamper_pin_list_passive_gnd_config[] = {
259 {SC_P_CSI_D05, 0x1c000060},
260};
261
262static struct tamper_pin_cfg tamper_pin_list_active_config[] = {
263 {SC_P_CSI_D00, 0x1a000060},
264 {SC_P_CSI_D05, 0x1c000060},
265};
266
267#define TAMPER_PIN_LIST_CHOSEN tamper_pin_list_default_config
268
269static struct tamper_pin_cfg *get_tamper_pin_cfg_list(u32 *size)
270{
271 *size = sizeof(TAMPER_PIN_LIST_CHOSEN) /
272 sizeof(TAMPER_PIN_LIST_CHOSEN[0]);
273
274 return TAMPER_PIN_LIST_CHOSEN;
275}
276
277#define SC_CONF_OFFSET_OF(_field) \
278 (offsetof(struct snvs_security_sc_conf, _field))
279
280static u32 ptr_value(u32 *_p)
281{
282 return (_p) ? *_p : 0xdeadbeef;
283}
284
285static int check_write_secvio_config(u32 id, u32 *_p1, u32 *_p2,
286 u32 *_p3, u32 *_p4, u32 *_p5,
287 u32 _cnt)
288{
289 int scierr = 0;
290 u32 d1 = ptr_value(_p1);
291 u32 d2 = ptr_value(_p2);
292 u32 d3 = ptr_value(_p3);
293 u32 d4 = ptr_value(_p4);
294 u32 d5 = ptr_value(_p5);
295
296 scierr = sc_seco_secvio_config(-1, id, SC_WRITE_CONF, &d1, &d2, &d3,
297 &d4, &d4, _cnt);
298 if (scierr != SC_ERR_NONE) {
299 printf("Failed to set secvio configuration\n");
300 debug("Failed to set conf id 0x%x with values ", id);
301 debug("0x%.8x 0x%.8x 0x%.8x 0x%.8x 0x%.8x (cnt: %d)\n",
302 d1, d2, d3, d4, d5, _cnt);
303 goto exit;
304 }
305
306 if (_p1)
307 *(u32 *)_p1 = d1;
308 if (_p2)
309 *(u32 *)_p2 = d2;
310 if (_p3)
311 *(u32 *)_p3 = d3;
312 if (_p4)
313 *(u32 *)_p4 = d4;
314 if (_p5)
315 *(u32 *)_p5 = d5;
316
317exit:
318 return scierr;
319}
320
321#define SC_CHECK_WRITE1(id, _p1) \
322 check_write_secvio_config(id, _p1, NULL, NULL, NULL, NULL, 1)
323
324static int apply_snvs_config(struct snvs_security_sc_conf *cnf)
325{
326 int scierr = 0;
327
328 debug("%s\n", __func__);
329
330 debug("Applying config:\n"
331 "\thp.lock = 0x%.8x\n"
332 "\thp.secvio_ctl = 0x%.8x\n"
333 "\tlp.lock = 0x%.8x\n"
334 "\tlp.secvio_ctl = 0x%.8x\n"
335 "\tlp.tamper_filt_cfg = 0x%.8x\n"
336 "\tlp.tamper_det_cfg = 0x%.8x\n"
337 "\tlp.tamper_det_cfg2 = 0x%.8x\n"
338 "\tlp.tamper_filt1_cfg = 0x%.8x\n"
339 "\tlp.tamper_filt2_cfg = 0x%.8x\n"
340 "\tlp.act_tamper1_cfg = 0x%.8x\n"
341 "\tlp.act_tamper2_cfg = 0x%.8x\n"
342 "\tlp.act_tamper3_cfg = 0x%.8x\n"
343 "\tlp.act_tamper4_cfg = 0x%.8x\n"
344 "\tlp.act_tamper5_cfg = 0x%.8x\n"
345 "\tlp.act_tamper_ctl = 0x%.8x\n"
346 "\tlp.act_tamper_clk_ctl = 0x%.8x\n"
347 "\tlp.act_tamper_routing_ctl1 = 0x%.8x\n"
348 "\tlp.act_tamper_routing_ctl2 = 0x%.8x\n",
349 cnf->hp.lock,
350 cnf->hp.secvio_ctl,
351 cnf->lp.lock,
352 cnf->lp.secvio_ctl,
353 cnf->lp.tamper_filt_cfg,
354 cnf->lp.tamper_det_cfg,
355 cnf->lp.tamper_det_cfg2,
356 cnf->lp.tamper_filt1_cfg,
357 cnf->lp.tamper_filt2_cfg,
358 cnf->lp.act_tamper1_cfg,
359 cnf->lp.act_tamper2_cfg,
360 cnf->lp.act_tamper3_cfg,
361 cnf->lp.act_tamper4_cfg,
362 cnf->lp.act_tamper5_cfg,
363 cnf->lp.act_tamper_ctl,
364 cnf->lp.act_tamper_clk_ctl,
365 cnf->lp.act_tamper_routing_ctl1,
366 cnf->lp.act_tamper_routing_ctl2);
367
368 scierr = check_write_secvio_config(SC_CONF_OFFSET_OF(lp.tamper_filt_cfg),
369 &cnf->lp.tamper_filt_cfg,
370 &cnf->lp.tamper_filt1_cfg,
371 &cnf->lp.tamper_filt2_cfg, NULL,
372 NULL, 3);
373 if (scierr != SC_ERR_NONE)
374 goto exit;
375
376
377 scierr = check_write_secvio_config(SC_CONF_OFFSET_OF(lp.act_tamper1_cfg),
378 &cnf->lp.act_tamper1_cfg,
379 &cnf->lp.act_tamper2_cfg,
380 &cnf->lp.act_tamper2_cfg,
381 &cnf->lp.act_tamper2_cfg,
382 &cnf->lp.act_tamper2_cfg, 5);
383 if (scierr != SC_ERR_NONE)
384 goto exit;
385
386
387 scierr = check_write_secvio_config(SC_CONF_OFFSET_OF(lp.act_tamper_routing_ctl1),
388 &cnf->lp.act_tamper_routing_ctl1,
389 &cnf->lp.act_tamper_routing_ctl2,
390 NULL, NULL, NULL, 2);
391 if (scierr != SC_ERR_NONE)
392 goto exit;
393
394
395 scierr = SC_CHECK_WRITE1(SC_CONF_OFFSET_OF(lp.act_tamper_clk_ctl),
396 &cnf->lp.act_tamper_clk_ctl);
397 if (scierr != SC_ERR_NONE)
398 goto exit;
399
400
401 scierr = SC_CHECK_WRITE1(SC_CONF_OFFSET_OF(lp.act_tamper_ctl),
402 &cnf->lp.act_tamper_ctl);
403 if (scierr != SC_ERR_NONE)
404 goto exit;
405
406
407 scierr = check_write_secvio_config(SC_CONF_OFFSET_OF(lp.tamper_det_cfg),
408 &cnf->lp.tamper_det_cfg,
409 &cnf->lp.tamper_det_cfg2, NULL, NULL,
410 NULL, 2);
411 if (scierr != SC_ERR_NONE)
412 goto exit;
413
414
415 scierr = SC_CHECK_WRITE1(SC_CONF_OFFSET_OF(lp.secvio_ctl),
416 &cnf->lp.secvio_ctl);
417 if (scierr != SC_ERR_NONE)
418 goto exit;
419
420
421 scierr = SC_CHECK_WRITE1(SC_CONF_OFFSET_OF(hp.secvio_ctl),
422 &cnf->hp.secvio_ctl);
423 if (scierr != SC_ERR_NONE)
424 goto exit;
425
426
427 scierr = SC_CHECK_WRITE1(SC_CONF_OFFSET_OF(hp.lock), &cnf->hp.lock);
428 if (scierr != SC_ERR_NONE)
429 goto exit;
430
431 scierr = SC_CHECK_WRITE1(SC_CONF_OFFSET_OF(lp.lock), &cnf->lp.lock);
432 if (scierr != SC_ERR_NONE)
433 goto exit;
434
435exit:
436 return (scierr == SC_ERR_NONE) ? 0 : -EIO;
437}
438
439static int dgo_write(u32 _id, u8 _access, u32 *_pdata)
440{
441 int scierr = sc_seco_secvio_dgo_config(-1, _id, _access, _pdata);
442
443 if (scierr != SC_ERR_NONE) {
444 printf("Failed to set dgo configuration\n");
445 debug("Failed to set conf id 0x%x : 0x%.8x", _id, *_pdata);
446 }
447
448 return scierr;
449}
450
451static int apply_snvs_dgo_config(struct snvs_dgo_conf *cnf)
452{
453 int scierr = 0;
454
455 debug("%s\n", __func__);
456
457 debug("Applying config:\n"
458 "\ttamper_offset_ctl = 0x%.8x\n"
459 "\ttamper_pull_ctl = 0x%.8x\n"
460 "\ttamper_ana_test_ctl = 0x%.8x\n"
461 "\ttamper_sensor_trim_ctl = 0x%.8x\n"
462 "\ttamper_misc_ctl = 0x%.8x\n"
463 "\ttamper_core_volt_mon_ctl = 0x%.8x\n",
464 cnf->tamper_offset_ctl,
465 cnf->tamper_pull_ctl,
466 cnf->tamper_ana_test_ctl,
467 cnf->tamper_sensor_trim_ctl,
468 cnf->tamper_misc_ctl,
469 cnf->tamper_core_volt_mon_ctl);
470
471 dgo_write(0x04, 1, &cnf->tamper_offset_ctl);
472 if (scierr != SC_ERR_NONE)
473 goto exit;
474
475 dgo_write(0x14, 1, &cnf->tamper_pull_ctl);
476 if (scierr != SC_ERR_NONE)
477 goto exit;
478
479 dgo_write(0x24, 1, &cnf->tamper_ana_test_ctl);
480 if (scierr != SC_ERR_NONE)
481 goto exit;
482
483 dgo_write(0x34, 1, &cnf->tamper_sensor_trim_ctl);
484 if (scierr != SC_ERR_NONE)
485 goto exit;
486
487 dgo_write(0x54, 1, &cnf->tamper_core_volt_mon_ctl);
488 if (scierr != SC_ERR_NONE)
489 goto exit;
490
491
492 dgo_write(0x44, 1, &cnf->tamper_misc_ctl);
493 if (scierr != SC_ERR_NONE)
494 goto exit;
495
496exit:
497 return (scierr == SC_ERR_NONE) ? 0 : -EIO;
498}
499
500static int pad_write(u32 _pad, u32 _value)
501{
502 int scierr = sc_pad_set(-1, _pad, _value);
503
504 if (scierr != SC_ERR_NONE) {
505 printf("Failed to set pad configuration\n");
506 debug("Failed to set conf pad 0x%x : 0x%.8x", _pad, _value);
507 }
508
509 return scierr;
510}
511
512static int apply_tamper_pin_list_config(struct tamper_pin_cfg *confs, u32 size)
513{
514 int scierr = 0;
515 u32 idx;
516
517 debug("%s\n", __func__);
518
519 for (idx = 0; idx < size; idx++) {
520 debug("\t idx %d: pad %d: 0x%.8x\n", idx, confs[idx].pad,
521 confs[idx].mux_conf);
522 pad_write(confs[idx].pad, 3 << 30 | confs[idx].mux_conf);
523 if (scierr != SC_ERR_NONE)
524 goto exit;
525 }
526
527exit:
528 return (scierr == SC_ERR_NONE) ? 0 : -EIO;
529}
530
531int examples(void)
532{
533 u32 size;
534 struct snvs_security_sc_conf *snvs_conf;
535 struct snvs_dgo_conf *snvs_dgo_conf;
536 struct tamper_pin_cfg *tamper_pin_conf;
537
538
539 snvs_conf = get_snvs_config();
540 snvs_dgo_conf = get_snvs_dgo_config();
541 tamper_pin_conf = get_tamper_pin_cfg_list(&size);
542
543
544 snvs_conf = &snvs_default_config;
545 snvs_dgo_conf = &snvs_dgo_default_config;
546 tamper_pin_conf = tamper_pin_list_default_config;
547
548
549 snvs_conf = &snvs_passive_vcc_config;
550 snvs_dgo_conf = &snvs_dgo_passive_vcc_config;
551 tamper_pin_conf = tamper_pin_list_passive_vcc_config;
552
553
554 snvs_conf = &snvs_passive_gnd_config;
555 snvs_dgo_conf = &snvs_dgo_passive_gnd_config;
556 tamper_pin_conf = tamper_pin_list_passive_gnd_config;
557
558
559 snvs_conf = &snvs_active_config;
560 snvs_dgo_conf = &snvs_dgo_active_config;
561 tamper_pin_conf = tamper_pin_list_active_config;
562
563 return !snvs_conf + !snvs_dgo_conf + !tamper_pin_conf;
564}
565
566#ifdef CONFIG_IMX_SNVS_SEC_SC_AUTO
567int snvs_security_sc_init(void)
568{
569 int err = 0;
570
571 struct snvs_security_sc_conf *snvs_conf;
572 struct snvs_dgo_conf *snvs_dgo_conf;
573 struct tamper_pin_cfg *tamper_pin_conf;
574 u32 size;
575
576 debug("%s\n", __func__);
577
578 snvs_conf = get_snvs_config();
579 snvs_dgo_conf = get_snvs_dgo_config();
580
581 tamper_pin_conf = get_tamper_pin_cfg_list(&size);
582
583 err = apply_tamper_pin_list_config(tamper_pin_conf, size);
584 if (err) {
585 debug("Failed to set pins\n");
586 goto exit;
587 }
588
589 err = apply_snvs_dgo_config(snvs_dgo_conf);
590 if (err) {
591 debug("Failed to set dgo\n");
592 goto exit;
593 }
594
595 err = apply_snvs_config(snvs_conf);
596 if (err) {
597 debug("Failed to set snvs\n");
598 goto exit;
599 }
600
601exit:
602 return err;
603}
604#endif
605
606static char snvs_cfg_help_text[] =
607 "snvs_cfg\n"
608 "\thp.lock\n"
609 "\thp.secvio_ctl\n"
610 "\tlp.lock\n"
611 "\tlp.secvio_ctl\n"
612 "\tlp.tamper_filt_cfg\n"
613 "\tlp.tamper_det_cfg\n"
614 "\tlp.tamper_det_cfg2\n"
615 "\tlp.tamper_filt1_cfg\n"
616 "\tlp.tamper_filt2_cfg\n"
617 "\tlp.act_tamper1_cfg\n"
618 "\tlp.act_tamper2_cfg\n"
619 "\tlp.act_tamper3_cfg\n"
620 "\tlp.act_tamper4_cfg\n"
621 "\tlp.act_tamper5_cfg\n"
622 "\tlp.act_tamper_ctl\n"
623 "\tlp.act_tamper_clk_ctl\n"
624 "\tlp.act_tamper_routing_ctl1\n"
625 "\tlp.act_tamper_routing_ctl2\n"
626 "\n"
627 "ALL values should be in hexadecimal format";
628
629#define NB_REGISTERS 18
630static int do_snvs_cfg(struct cmd_tbl *cmdtp, int flag, int argc,
631 char *const argv[])
632{
633 int err = 0;
634 u32 idx = 0;
635
636 struct snvs_security_sc_conf conf = {0};
637
638 if (argc != (NB_REGISTERS + 1))
639 return CMD_RET_USAGE;
640
641 conf.hp.lock = hextoul(argv[++idx], NULL);
642 conf.hp.secvio_ctl = hextoul(argv[++idx], NULL);
643 conf.lp.lock = hextoul(argv[++idx], NULL);
644 conf.lp.secvio_ctl = hextoul(argv[++idx], NULL);
645 conf.lp.tamper_filt_cfg = hextoul(argv[++idx], NULL);
646 conf.lp.tamper_det_cfg = hextoul(argv[++idx], NULL);
647 conf.lp.tamper_det_cfg2 = hextoul(argv[++idx], NULL);
648 conf.lp.tamper_filt1_cfg = hextoul(argv[++idx], NULL);
649 conf.lp.tamper_filt2_cfg = hextoul(argv[++idx], NULL);
650 conf.lp.act_tamper1_cfg = hextoul(argv[++idx], NULL);
651 conf.lp.act_tamper2_cfg = hextoul(argv[++idx], NULL);
652 conf.lp.act_tamper3_cfg = hextoul(argv[++idx], NULL);
653 conf.lp.act_tamper4_cfg = hextoul(argv[++idx], NULL);
654 conf.lp.act_tamper5_cfg = hextoul(argv[++idx], NULL);
655 conf.lp.act_tamper_ctl = hextoul(argv[++idx], NULL);
656 conf.lp.act_tamper_clk_ctl = hextoul(argv[++idx], NULL);
657 conf.lp.act_tamper_routing_ctl1 = hextoul(argv[++idx], NULL);
658 conf.lp.act_tamper_routing_ctl2 = hextoul(argv[++idx], NULL);
659
660 err = apply_snvs_config(&conf);
661
662 return err;
663}
664
665U_BOOT_CMD(snvs_cfg,
666 NB_REGISTERS + 1, 1, do_snvs_cfg,
667 "Security violation configuration",
668 snvs_cfg_help_text
669);
670
671static char snvs_dgo_cfg_help_text[] =
672 "snvs_dgo_cfg\n"
673 "\ttamper_offset_ctl\n"
674 "\ttamper_pull_ctl\n"
675 "\ttamper_ana_test_ctl\n"
676 "\ttamper_sensor_trim_ctl\n"
677 "\ttamper_misc_ctl\n"
678 "\ttamper_core_volt_mon_ctl\n"
679 "\n"
680 "ALL values should be in hexadecimal format";
681
682static int do_snvs_dgo_cfg(struct cmd_tbl *cmdtp, int flag, int argc,
683 char *const argv[])
684{
685 int err = 0;
686 u32 idx = 0;
687
688 struct snvs_dgo_conf conf = {0};
689
690 if (argc != (6 + 1))
691 return CMD_RET_USAGE;
692
693 conf.tamper_offset_ctl = hextoul(argv[++idx], NULL);
694 conf.tamper_pull_ctl = hextoul(argv[++idx], NULL);
695 conf.tamper_ana_test_ctl = hextoul(argv[++idx], NULL);
696 conf.tamper_sensor_trim_ctl = hextoul(argv[++idx], NULL);
697 conf.tamper_misc_ctl = hextoul(argv[++idx], NULL);
698 conf.tamper_core_volt_mon_ctl = hextoul(argv[++idx], NULL);
699
700 err = apply_snvs_dgo_config(&conf);
701
702 return err;
703}
704
705U_BOOT_CMD(snvs_dgo_cfg,
706 7, 1, do_snvs_dgo_cfg,
707 "SNVS DGO configuration",
708 snvs_dgo_cfg_help_text
709);
710
711static char tamper_pin_cfg_help_text[] =
712 "snvs_dgo_cfg\n"
713 "\tpad\n"
714 "\tvalue\n"
715 "\n"
716 "ALL values should be in hexadecimal format";
717
718static int do_tamper_pin_cfg(struct cmd_tbl *cmdtp, int flag, int argc,
719 char *const argv[])
720{
721 int err = 0;
722 u32 idx = 0;
723
724 struct tamper_pin_cfg conf = {0};
725
726 if (argc != (2 + 1))
727 return CMD_RET_USAGE;
728
729 conf.pad = dectoul(argv[++idx], NULL);
730 conf.mux_conf = hextoul(argv[++idx], NULL);
731
732 err = apply_tamper_pin_list_config(&conf, 1);
733
734 return err;
735}
736
737U_BOOT_CMD(tamper_pin_cfg,
738 3, 1, do_tamper_pin_cfg,
739 "tamper pin configuration",
740 tamper_pin_cfg_help_text
741);
742
743static char snvs_clear_status_help_text[] =
744 "snvs_clear_status\n"
745 "\tHPSR\n"
746 "\tHPSVSR\n"
747 "\tLPSR\n"
748 "\tLPTDSR\n"
749 "\n"
750 "Write the status registers with the value provided,"
751 " clearing the status";
752
753static int do_snvs_clear_status(struct cmd_tbl *cmdtp, int flag, int argc,
754 char *const argv[])
755{
756 int scierr = 0;
757 u32 idx = 0;
758
759 struct snvs_security_sc_conf conf = {0};
760
761 if (argc != (2 + 1))
762 return CMD_RET_USAGE;
763
764 conf.lp.status = hextoul(argv[++idx], NULL);
765 conf.lp.tamper_det_status = hextoul(argv[++idx], NULL);
766
767 scierr = check_write_secvio_config(SC_CONF_OFFSET_OF(lp.status),
768 &conf.lp.status, NULL, NULL, NULL,
769 NULL, 1);
770 if (scierr != SC_ERR_NONE)
771 goto exit;
772
773 scierr = check_write_secvio_config(SC_CONF_OFFSET_OF(lp.tamper_det_status),
774 &conf.lp.tamper_det_status, NULL,
775 NULL, NULL, NULL, 1);
776 if (scierr != SC_ERR_NONE)
777 goto exit;
778
779exit:
780 return (scierr == SC_ERR_NONE) ? 0 : 1;
781}
782
783U_BOOT_CMD(snvs_clear_status,
784 3, 1, do_snvs_clear_status,
785 "snvs clear status",
786 snvs_clear_status_help_text
787);
788
789static char snvs_sec_status_help_text[] =
790 "snvs_sec_status\n"
791 "Display information about the security related to tamper and secvio";
792
793static int do_snvs_sec_status(struct cmd_tbl *cmdtp, int flag, int argc,
794 char *const argv[])
795{
796 int scierr;
797 u32 idx;
798
799 u32 data[5];
800
801 u32 pads[] = {
802 SC_P_CSI_D00,
803 SC_P_CSI_D01,
804 SC_P_CSI_D02,
805 SC_P_CSI_D03,
806 SC_P_CSI_D04,
807 SC_P_CSI_D05,
808 SC_P_CSI_D06,
809 SC_P_CSI_D07,
810 SC_P_CSI_HSYNC,
811 SC_P_CSI_VSYNC,
812 };
813
814 u32 fuses[] = {
815 14,
816 30,
817 31,
818 260,
819 261,
820 262,
821 263,
822 768,
823 };
824
825 struct snvs_reg {
826 u32 id;
827 u32 nb;
828 } snvs[] = {
829
830 {0x0, 1},
831 {0x34, 1},
832
833 {0xc, 1},
834 {0x10, 1},
835 {0x18, 1},
836 {0x40, 1},
837
838 {0x48, 2},
839 {0x4c, 1},
840 {0xa4, 1},
841
842 {0x44, 3},
843 {0xe0, 1},
844 {0xe4, 1},
845 {0xe8, 2},
846
847 {0x3c, 1},
848 {0x5c, 2},
849 {0x64, 1},
850 {0xf8, 2},
851 };
852
853 u32 dgo[] = {
854 0x0,
855 0x10,
856 0x20,
857 0x30,
858 0x40,
859 0x50,
860 };
861
862
863 printf("Pins:\n");
864 for (idx = 0; idx < ARRAY_SIZE(pads); idx++) {
865 u8 pad_id = pads[idx];
866
867 scierr = sc_pad_get(-1, pad_id, &data[0]);
868 if (scierr == 0)
869 printf("\t- Pin %d: %.8x\n", pad_id, data[0]);
870 else
871 printf("Failed to read Pin %d\n", pad_id);
872 }
873
874
875 printf("Fuses:\n");
876 for (idx = 0; idx < ARRAY_SIZE(fuses); idx++) {
877 u32 fuse_id = fuses[idx];
878
879 scierr = sc_misc_otp_fuse_read(-1, fuse_id, &data[0]);
880 if (scierr == 0)
881 printf("\t- Fuse %d: %.8x\n", fuse_id, data[0]);
882 else
883 printf("Failed to read Fuse %d\n", fuse_id);
884 }
885
886
887 printf("SNVS:\n");
888 for (idx = 0; idx < ARRAY_SIZE(snvs); idx++) {
889 struct snvs_reg *reg = &snvs[idx];
890
891 scierr = sc_seco_secvio_config(-1, reg->id, 0, &data[0],
892 &data[1], &data[2], &data[3],
893 &data[4], reg->nb);
894 if (scierr == 0) {
895 int subidx;
896
897 printf("\t- SNVS %.2x(%d):", reg->id, reg->nb);
898 for (subidx = 0; subidx < reg->nb; subidx++)
899 printf(" %.8x", data[subidx]);
900 printf("\n");
901 } else {
902 printf("Failed to read SNVS %d\n", reg->id);
903 }
904 }
905
906
907 printf("DGO:\n");
908 for (idx = 0; idx < ARRAY_SIZE(dgo); idx++) {
909 u8 dgo_id = dgo[idx];
910
911 scierr = sc_seco_secvio_dgo_config(-1, dgo_id, 0, &data[0]);
912 if (scierr == 0)
913 printf("\t- DGO %.2x: %.8x\n", dgo_id, data[0]);
914 else
915 printf("Failed to read DGO %d\n", dgo_id);
916 }
917
918 return 0;
919}
920
921U_BOOT_CMD(snvs_sec_status,
922 1, 1, do_snvs_sec_status,
923 "tamper pin configuration",
924 snvs_sec_status_help_text
925);
926
