exynos_soc.c revision 1.19 1 /* $NetBSD: exynos_soc.c,v 1.19 2014/09/02 14:07:50 reinoud Exp $ */
2 /*-
3 * Copyright (c) 2014 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Reinoud Zandijk.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "opt_exynos.h"
32
33 #define _ARM32_BUS_DMA_PRIVATE
34
35 #include <sys/cdefs.h>
36 __KERNEL_RCSID(1, "$NetBSD: exynos_soc.c,v 1.19 2014/09/02 14:07:50 reinoud Exp $");
37
38 #include <sys/param.h>
39 #include <sys/bus.h>
40 #include <sys/cpu.h>
41 #include <sys/device.h>
42
43 #include <prop/proplib.h>
44
45 #include <net/if.h>
46 #include <net/if_ether.h>
47
48 #include <arm/locore.h>
49
50 #include <arm/mainbus/mainbus.h>
51 #include <arm/cortex/mpcore_var.h>
52
53 #include <arm/samsung/exynos_reg.h>
54 #include <arm/samsung/exynos_var.h>
55 #include <arm/samsung/mct_reg.h>
56 #include <arm/samsung/smc.h>
57
58 #include <arm/cortex/pl310_var.h>
59 #include <arm/cortex/pl310_reg.h>
60
61 /* XXXNH */
62 #include <evbarm/odroid/platform.h>
63
64 bus_space_handle_t exynos_core_bsh;
65 bus_space_handle_t exynos_audiocore_bsh;
66
67 /* these variables are retrieved in start.S and stored in .data */
68 uint32_t exynos_soc_id = 0;
69 uint32_t exynos_pop_id = 0;
70
71
72 /* cpu frequencies */
73 struct cpu_freq {
74 uint64_t freq;
75 int P;
76 int M;
77 int S;
78 };
79
80
81 #ifdef EXYNOS4
82 const struct cpu_freq cpu_freq_settings_exynos4[] = {
83 { 200, 3, 100, 2},
84 { 300, 4, 200, 2},
85 { 400, 3, 100, 1},
86 { 500, 3, 125, 1},
87 { 600, 4, 200, 1},
88 { 700, 3, 175, 1},
89 { 800, 3, 100, 0},
90 { 900, 4, 150, 0},
91 {1000, 3, 125, 0},
92 {1100, 6, 275, 0},
93 {1200, 4, 200, 0},
94 {1300, 6, 325, 0},
95 {1400, 3, 175, 0},
96 {1600, 3, 200, 0},
97 };
98 #endif
99
100
101 #ifdef EXYNOS5
102 const struct cpu_freq cpu_freq_settings_exynos5[] = {
103 { 200, 3, 100, 2},
104 { 333, 4, 222, 2},
105 { 400, 3, 100, 1},
106 { 533, 12, 533, 1},
107 { 600, 4, 200, 1},
108 { 667, 7, 389, 1},
109 { 800, 3, 100, 0},
110 {1000, 3, 125, 0},
111 {1066, 12, 533, 0},
112 {1200, 3, 150, 0},
113 {1400, 3, 175, 0},
114 {1600, 3, 200, 0},
115 };
116 #endif
117
118 static struct cpu_freq const *cpu_freq_settings = NULL;
119 static int ncpu_freq_settings = 0;
120
121 static int cpu_freq_target = 0;
122 #define NFRQS 15
123 static char sysctl_cpu_freqs_txt[NFRQS*5];
124
125 static int sysctl_cpufreq_target(SYSCTLFN_ARGS);
126 static int sysctl_cpufreq_current(SYSCTLFN_ARGS);
127
128
129 /*
130 * the early serial console
131 */
132 #ifdef EXYNOS_CONSOLE_EARLY
133
134 #include "opt_sscom.h"
135 #include <arm/samsung/sscom_reg.h>
136 #include <arm/samsung/sscom_var.h>
137 #include <dev/cons.h>
138
139 static volatile uint8_t *uart_base;
140
141 #define CON_REG(a) (*((volatile uint32_t *)(uart_base + (a))))
142
143 static int
144 exynos_cngetc(dev_t dv)
145 {
146 if ((CON_REG(SSCOM_UTRSTAT) & UTRSTAT_RXREADY) == 0)
147 return -1;
148
149 return CON_REG(SSCOM_URXH);
150 }
151
152 static void
153 exynos_cnputc(dev_t dv, int c)
154 {
155 int timo = 150000;
156
157 while ((CON_REG(SSCOM_UFSTAT) & UFSTAT_TXFULL) && --timo > 0);
158
159 CON_REG(SSCOM_UTXH) = c & 0xff;
160 }
161
162 static struct consdev exynos_earlycons = {
163 .cn_putc = exynos_cnputc,
164 .cn_getc = exynos_cngetc,
165 .cn_pollc = nullcnpollc,
166 };
167 #endif /* EXYNOS_CONSOLE_EARLY */
168
169
170 #ifdef ARM_TRUSTZONE_FIRMWARE
171 int
172 exynos_do_idle(void)
173 {
174 exynos_smc(SMC_CMD_SLEEP, 0, 0, 0);
175
176 return 0;
177 }
178
179
180 int
181 exynos_set_cpu_boot_addr(int cpu, vaddr_t boot_addr)
182 {
183 /* XXX we need to map in iRAM space for this XXX */
184 return 0;
185 }
186
187
188 int
189 exynos_cpu_boot(int cpu)
190 {
191 exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0);
192
193 return 0;
194 }
195
196
197 /*
198 * The latency values used below are `magic' and probably chosen empirically.
199 * For the 4210 variant the data latency is lower, a 0x110. This is currently
200 * not enforced.
201 *
202 * The prefetch values are also different for the revision 0 of the
203 * Exynos4412, but why?
204 */
205
206 int
207 exynos_l2cc_init(void)
208 {
209 const uint32_t tag_latency = 0x110;
210 const uint32_t data_latency = IS_EXYNOS4410_P() ? 0x110 : 0x120;
211 const uint32_t prefetch4412 = /* 0111 0001 0000 0000 0000 0000 0000 0111 */
212 PREFETCHCTL_DBLLINEF_EN |
213 PREFETCHCTL_INSTRPREF_EN |
214 PREFETCHCTL_DATAPREF_EN |
215 PREFETCHCTL_PREF_DROP_EN |
216 PREFETCHCTL_PREFETCH_OFFSET_7;
217 const uint32_t prefetch4412_r0 = /* 0011 0000 0000 0000 0000 0000 0000 0111 */
218 PREFETCHCTL_INSTRPREF_EN |
219 PREFETCHCTL_DATAPREF_EN |
220 PREFETCHCTL_PREFETCH_OFFSET_7;
221 const uint32_t aux_val = /* 0111 1100 0100 0111 0000 0000 0000 0001 */
222 AUXCTL_EARLY_BRESP_EN |
223 AUXCTL_I_PREFETCH |
224 AUXCTL_D_PREFETCH |
225 AUXCTL_NS_INT_ACC_CTL |
226 AUXCTL_NS_INT_LOCK_EN |
227 AUXCTL_SHARED_ATT_OVR |
228 AUXCTL_WAY_SIZE_RSVD7 << 16 | /* why rsvd7 ??? */
229 AUXCTL_FULL_LINE_WR0;
230 const uint32_t aux_keepmask = /* 1100 0010 0000 0000 1111 1111 1111 1111 */
231 AUXCTL_RSVD31 |
232 AUXCTL_EARLY_BRESP_EN |
233 AUXCTL_CACHE_REPL_RR |
234
235 AUXCTL_SH_ATTR_INV_ENA|
236 AUXCTL_EXCL_CACHE_CFG |
237 AUXCTL_ST_BUF_DEV_LIM_EN |
238 AUXCTL_HIPRO_SO_DEV_EN |
239 AUXCTL_FULL_LINE_WR0 |
240 0xffff;
241 uint32_t prefetch;
242
243 /* check the bitmaps are the same as the linux implementation uses */
244 KASSERT(prefetch4412 == 0x71000007);
245 KASSERT(prefetch4412_r0 == 0x30000007);
246 KASSERT(aux_val == 0x7C470001);
247 KASSERT(aux_keepmask == 0xC200FFFF);
248
249 if (IS_EXYNOS4412_R0_P())
250 prefetch = prefetch4412_r0;
251 else
252 prefetch = prefetch4412; /* newer than >= r1_0 */
253 ;
254
255 exynos_smc(SMC_CMD_L2X0SETUP1, tag_latency, data_latency, prefetch);
256 exynos_smc(SMC_CMD_L2X0SETUP2,
257 POWERCTL_DYNCLKGATE | POWERCTL_STANDBY,
258 aux_val, aux_keepmask);
259 exynos_smc(SMC_CMD_L2X0INVALL, 0, 0, 0);
260 exynos_smc(SMC_CMD_L2X0CTRL, 1, 0, 0);
261
262 return 0;
263 }
264 #endif /* ARM_TRUSTZONE_FIRMWARE */
265
266
267 void
268 exynos_sysctl_cpufreq_init(void)
269 {
270 const struct sysctlnode *node, *cpunode, *freqnode;
271 char *cpos;
272 int i, val;
273 int error;
274
275 memset(sysctl_cpu_freqs_txt, (int) ' ', sizeof(sysctl_cpu_freqs_txt));
276 cpos = sysctl_cpu_freqs_txt;
277 for (i = 0; i < ncpu_freq_settings; i++) {
278 val = cpu_freq_settings[i].freq;
279 snprintf(cpos, 6, "%d ", val);
280 cpos += (val < 1000) ? 4 : 5;
281 }
282 *cpos = 0;
283
284 error = sysctl_createv(NULL, 0, NULL, &node,
285 CTLFLAG_PERMANENT, CTLTYPE_NODE, "machdep", NULL,
286 NULL, 0, NULL, 0, CTL_MACHDEP, CTL_EOL);
287 if (error)
288 printf("couldn't create `machdep' node\n");
289
290 error = sysctl_createv(NULL, 0, &node, &cpunode,
291 0, CTLTYPE_NODE, "cpu", NULL,
292 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
293 if (error)
294 printf("couldn't create `cpu' node\n");
295
296 error = sysctl_createv(NULL, 0, &cpunode, &freqnode,
297 0, CTLTYPE_NODE, "frequency", NULL,
298 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
299 if (error)
300 printf("couldn't create `frequency' node\n");
301
302 error = sysctl_createv(NULL, 0, &freqnode, &node,
303 CTLFLAG_READWRITE, CTLTYPE_INT, "target", NULL,
304 sysctl_cpufreq_target, 0, &cpu_freq_target, 0,
305 CTL_CREATE, CTL_EOL);
306 if (error)
307 printf("couldn't create `target' node\n");
308
309 error = sysctl_createv(NULL, 0, &freqnode, &node,
310 0, CTLTYPE_INT, "current", NULL,
311 sysctl_cpufreq_current, 0, NULL, 0,
312 CTL_CREATE, CTL_EOL);
313 if (error)
314 printf("couldn't create `current' node\n");
315
316 error = sysctl_createv(NULL, 0, &freqnode, &node,
317 CTLFLAG_READONLY, CTLTYPE_STRING, "available", NULL,
318 NULL, 0, sysctl_cpu_freqs_txt, 0,
319 CTL_CREATE, CTL_EOL);
320 if (error)
321 printf("couldn't create `available' node\b");
322 }
323
324
325 uint64_t
326 exynos_get_cpufreq(void)
327 {
328 uint32_t reg = 0;
329 uint32_t regval;
330 uint32_t freq;
331
332 #ifdef EXYNOS4
333 if (IS_EXYNOS4_P())
334 reg = EXYNOS4_CMU_APLL + PLL_CON0_OFFSET;
335 #endif
336 #ifdef EXYNOS5
337 if (IS_EXYNOS5_P())
338 reg = EXYNOS5_CMU_APLL + PLL_CON0_OFFSET;
339 #endif
340 KASSERT(reg);
341
342 regval = bus_space_read_4(&exynos_bs_tag, exynos_core_bsh, reg);
343 freq = PLL_FREQ(EXYNOS_F_IN_FREQ, regval);
344
345 return freq;
346 }
347
348
349 static void
350 exynos_set_cpufreq(const struct cpu_freq *freqreq)
351 {
352 struct cpu_info *ci;
353 uint32_t reg = 0;
354 uint32_t regval;
355 int M, P, S;
356 int cii;
357
358 M = freqreq->M;
359 P = freqreq->P;
360 S = freqreq->S;
361
362 regval = __SHIFTIN(M, PLL_CON0_M) |
363 __SHIFTIN(P, PLL_CON0_P) |
364 __SHIFTIN(S, PLL_CON0_S);
365
366 #ifdef EXYNOS4
367 if (IS_EXYNOS4_P())
368 reg = EXYNOS4_CMU_APLL + PLL_CON0_OFFSET;
369 #endif
370 #ifdef EXYNOS5
371 if (IS_EXYNOS5_P())
372 reg = EXYNOS5_CMU_APLL + PLL_CON0_OFFSET;
373 #endif
374 KASSERT(reg);
375
376 /* enable PPL and write config */
377 regval |= PLL_CON0_ENABLE;
378 bus_space_write_4(&exynos_bs_tag, exynos_core_bsh, reg, regval);
379
380 /* update our cycle counter i.e. our CPU frequency for all CPUs */
381 for (CPU_INFO_FOREACH(cii, ci)) {
382 ci->ci_data.cpu_cc_freq = exynos_get_cpufreq();
383 }
384 }
385
386
387 static int
388 sysctl_cpufreq_target(SYSCTLFN_ARGS)
389 {
390 struct sysctlnode node;
391 uint32_t t, curfreq, minfreq, maxfreq;
392 int i, best_i, diff;
393 int error;
394
395 curfreq = exynos_get_cpufreq() / (1000*1000);
396 t = *(int *)rnode->sysctl_data;
397 if (t == 0)
398 t = curfreq;
399
400 node = *rnode;
401 node.sysctl_data = &t;
402 error = sysctl_lookup(SYSCTLFN_CALL(&node));
403 if (error || newp == NULL)
404 return error;
405
406 minfreq = cpu_freq_settings[0].freq;
407 maxfreq = cpu_freq_settings[ncpu_freq_settings-1].freq;
408
409 if ((t < minfreq) || (t > maxfreq))
410 return EINVAL;
411
412 if (t == curfreq) {
413 *(int *)rnode->sysctl_data = t;
414 return 0;
415 }
416
417 diff = maxfreq;
418 best_i = -1;
419 for (i = 0; i < ncpu_freq_settings; i++) {
420 if (abs(t - cpu_freq_settings[i].freq) <= diff) {
421 diff = labs(t - cpu_freq_settings[i].freq);
422 best_i = i;
423 }
424 }
425 if (best_i < 0)
426 return EINVAL;
427
428 exynos_set_cpufreq(&cpu_freq_settings[best_i]);
429
430 *(int *)rnode->sysctl_data = t;
431 return 0;
432 }
433
434
435 static int
436 sysctl_cpufreq_current(SYSCTLFN_ARGS)
437 {
438 struct sysctlnode node = *rnode;
439 uint32_t freq;
440
441 freq = exynos_get_cpufreq() / (1000*1000);
442 node.sysctl_data = &freq;
443
444 return sysctl_lookup(SYSCTLFN_CALL(&node));
445 }
446
447
448 #ifdef VERBOSE_INIT_ARM
449 #define DUMP_PLL(v, var) \
450 reg = EXYNOS##v##_CMU_##var + PLL_CON0_OFFSET;\
451 regval = bus_space_read_4(&exynos_bs_tag, exynos_core_bsh, reg); \
452 freq = PLL_FREQ(EXYNOS_F_IN_FREQ, regval); \
453 printf("%8s at %d Mhz\n", #var, freq/(1000*1000));
454
455
456 static void
457 exynos_dump_clocks(void)
458 {
459 uint32_t reg = 0;
460 uint32_t regval;
461 uint32_t freq;
462
463 printf("Initial PLL settings\n");
464 #ifdef EXYNOS4
465 if (IS_EXYNOS4_P()) {
466 DUMP_PLL(4, APLL);
467 DUMP_PLL(4, MPLL);
468 DUMP_PLL(4, EPLL);
469 DUMP_PLL(4, VPLL);
470 }
471 #endif
472 #ifdef EXYNOS5
473 if (IS_EXYNOS5_P()) {
474 DUMP_PLL(5, APLL);
475 DUMP_PLL(5, MPLL);
476 DUMP_PLL(5, EPLL);
477 DUMP_PLL(5, VPLL);
478 DUMP_PLL(5, CPLL);
479 DUMP_PLL(5, GPLL);
480 DUMP_PLL(5, BPLL);
481 }
482 #endif
483 }
484 #undef DUMP_PLL
485 #endif
486
487
488 void
489 exynos_clocks_bootstrap(void)
490 {
491 #ifdef EXYNOS4
492 if (IS_EXYNOS4_P()) {
493 cpu_freq_settings = cpu_freq_settings_exynos4;
494 ncpu_freq_settings = __arraycount(cpu_freq_settings_exynos4);
495 }
496 #endif
497 #ifdef EXYNOS5
498 if (IS_EXYNOS5_P()) {
499 cpu_freq_settings = cpu_freq_settings_exynos5;
500 ncpu_freq_settings = __arraycount(cpu_freq_settings_exynos5);
501 }
502 #endif
503 KASSERT(ncpu_freq_settings != 0);
504 KASSERT(ncpu_freq_settings < NFRQS);
505
506 #ifdef VERBOSE_INIT_ARM
507 exynos_dump_clocks();
508 #endif
509
510 /* set max cpufreq */
511 exynos_set_cpufreq(&cpu_freq_settings[ncpu_freq_settings-1]);
512 }
513
514
515 void
516 exynos_bootstrap(vaddr_t iobase, vaddr_t uartbase)
517 {
518 int error;
519 size_t core_size, audiocore_size;
520 size_t audiocore_pbase, audiocore_vbase __diagused;
521
522 #ifdef EXYNOS4
523 if (IS_EXYNOS4_P()) {
524 core_size = EXYNOS4_CORE_SIZE;
525 audiocore_size = EXYNOS4_AUDIOCORE_SIZE;
526 audiocore_pbase = EXYNOS4_AUDIOCORE_PBASE;
527 audiocore_vbase = EXYNOS4_AUDIOCORE_VBASE;
528 }
529 #endif
530
531 #ifdef EXYNOS5
532 if (IS_EXYNOS5_P()) {
533 core_size = EXYNOS5_CORE_SIZE;
534 audiocore_size = EXYNOS5_AUDIOCORE_SIZE;
535 audiocore_pbase = EXYNOS5_AUDIOCORE_PBASE;
536 audiocore_vbase = EXYNOS5_AUDIOCORE_VBASE;
537 }
538 #endif
539
540 /* set up early console so we can use printf() and friends */
541 #ifdef EXYNOS_CONSOLE_EARLY
542 uart_base = (volatile uint8_t *) uartbase;
543 cn_tab = &exynos_earlycons;
544 printf("Exynos early console operational\n\n");
545 #endif
546 /* map in the exynos io registers */
547 error = bus_space_map(&exynos_bs_tag, EXYNOS_CORE_PBASE,
548 core_size, 0, &exynos_core_bsh);
549 if (error)
550 panic("%s: failed to map in Exynos SFR registers: %d",
551 __func__, error);
552 KASSERT(exynos_core_bsh == iobase);
553
554 error = bus_space_map(&exynos_bs_tag, audiocore_pbase,
555 audiocore_size, 0, &exynos_audiocore_bsh);
556 if (error)
557 panic("%s: failed to map in Exynos audio SFR registers: %d",
558 __func__, error);
559 KASSERT(exynos_audiocore_bsh == audiocore_vbase);
560
561 /* init bus dma tags */
562 exynos_dma_bootstrap(physmem * PAGE_SIZE);
563
564 /* gpio bootstrapping delayed */
565 }
566
567
568 void
569 exynos_device_register(device_t self, void *aux)
570 {
571 if (device_is_a(self, "armperiph")
572 && device_is_a(device_parent(self), "mainbus")) {
573 /*
574 * XXX KLUDGE ALERT XXX
575 * The iot mainbus supplies is completely wrong since it scales
576 * addresses by 2. The simplest remedy is to replace with our
577 * bus space used for the armcore regisers (which armperiph uses).
578 */
579 struct mainbus_attach_args * const mb = aux;
580 mb->mb_iot = &exynos_bs_tag;
581 return;
582 }
583 if (device_is_a(self, "armgic")
584 && device_is_a(device_parent(self), "armperiph")) {
585 /*
586 * The Exynos4420 armgic is located at a different location!
587 */
588
589 extern uint32_t exynos_soc_id;
590
591 switch (EXYNOS_PRODUCT_ID(exynos_soc_id)) {
592 #if defined(EXYNOS5)
593 case 0xe5410:
594 /* offsets not changed on matt's request */
595 #if 0
596 mpcaa->mpcaa_memh = EXYNOS_CORE_VBASE;
597 mpcaa->mpcaa_off1 = EXYNOS5_GIC_IOP_DISTRIBUTOR_OFFSET;
598 mpcaa->mpcaa_off2 = EXYNOS5_GIC_IOP_CONTROLLER_OFFSET;
599 #endif
600 break;
601 #endif
602 #if defined(EXYNOS4)
603 case 0xe4410:
604 case 0xe4412: {
605 struct mpcore_attach_args * const mpcaa = aux;
606
607 mpcaa->mpcaa_memh = EXYNOS_CORE_VBASE;
608 mpcaa->mpcaa_off1 = EXYNOS4_GIC_DISTRIBUTOR_OFFSET;
609 mpcaa->mpcaa_off2 = EXYNOS4_GIC_CNTR_OFFSET;
610 break;
611 }
612 #endif
613 default:
614 panic("%s: unknown SoC product id %#x", __func__,
615 (u_int)EXYNOS_PRODUCT_ID(exynos_soc_id));
616 }
617 return;
618 }
619 if (device_is_a(self, "armgtmr") || device_is_a(self, "mct")) {
620 #ifdef EXYNOS5
621 /*
622 * The global timer is dependent on the MCT running.
623 */
624 bus_size_t o = EXYNOS5_MCT_OFFSET + MCT_G_TCON;
625 uint32_t v = bus_space_read_4(&exynos_bs_tag, exynos_core_bsh,
626 o);
627 v |= G_TCON_START;
628 bus_space_write_4(&exynos_bs_tag, exynos_core_bsh, o, v);
629 #endif
630 /*
631 * The frequencies of the timers are the reference
632 * frequency.
633 */
634 prop_dictionary_set_uint32(device_properties(self),
635 "frequency", EXYNOS_F_IN_FREQ);
636 return;
637 }
638
639 exyo_device_register(self, aux);
640 }
641
642
643 void
644 exynos_device_register_post_config(device_t self, void *aux)
645 {
646 exyo_device_register_post_config(self, aux);
647 }
648
649