1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
|
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
*/
#define LOG_CATEGORY LOGC_BOARD
#include <common.h>
#include <adc.h>
#include <bootm.h>
#include <clk.h>
#include <config.h>
#include <dm.h>
#include <env.h>
#include <env_internal.h>
#include <fdt_support.h>
#include <g_dnl.h>
#include <generic-phy.h>
#include <hang.h>
#include <i2c.h>
#include <init.h>
#include <led.h>
#include <log.h>
#include <malloc.h>
#include <misc.h>
#include <mtd_node.h>
#include <net.h>
#include <netdev.h>
#include <phy.h>
#include <remoteproc.h>
#include <reset.h>
#include <syscon.h>
#include <usb.h>
#include <watchdog.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/stm32.h>
#include <asm/arch/sys_proto.h>
#include <jffs2/load_kernel.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/iopoll.h>
#include <power/regulator.h>
#include <usb/dwc2_udc.h>
#include "../../st/common/stusb160x.h"
/* SYSCFG registers */
#define SYSCFG_BOOTR 0x00
#define SYSCFG_PMCSETR 0x04
#define SYSCFG_IOCTRLSETR 0x18
#define SYSCFG_ICNR 0x1C
#define SYSCFG_CMPCR 0x20
#define SYSCFG_CMPENSETR 0x24
#define SYSCFG_PMCCLRR 0x44
#define SYSCFG_BOOTR_BOOT_MASK GENMASK(2, 0)
#define SYSCFG_BOOTR_BOOTPD_SHIFT 4
#define SYSCFG_IOCTRLSETR_HSLVEN_TRACE BIT(0)
#define SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI BIT(1)
#define SYSCFG_IOCTRLSETR_HSLVEN_ETH BIT(2)
#define SYSCFG_IOCTRLSETR_HSLVEN_SDMMC BIT(3)
#define SYSCFG_IOCTRLSETR_HSLVEN_SPI BIT(4)
#define SYSCFG_CMPCR_SW_CTRL BIT(1)
#define SYSCFG_CMPCR_READY BIT(8)
#define SYSCFG_CMPENSETR_MPU_EN BIT(0)
#define SYSCFG_PMCSETR_ETH_CLK_SEL BIT(16)
#define SYSCFG_PMCSETR_ETH_REF_CLK_SEL BIT(17)
#define SYSCFG_PMCSETR_ETH_SELMII BIT(20)
#define SYSCFG_PMCSETR_ETH_SEL_MASK GENMASK(23, 21)
#define SYSCFG_PMCSETR_ETH_SEL_GMII_MII 0
#define SYSCFG_PMCSETR_ETH_SEL_RGMII BIT(21)
#define SYSCFG_PMCSETR_ETH_SEL_RMII BIT(23)
/*
* Get a global data pointer
*/
DECLARE_GLOBAL_DATA_PTR;
#define USB_LOW_THRESHOLD_UV 200000
#define USB_WARNING_LOW_THRESHOLD_UV 660000
#define USB_START_LOW_THRESHOLD_UV 1230000
#define USB_START_HIGH_THRESHOLD_UV 2150000
int board_early_init_f(void)
{
/* nothing to do, only used in SPL */
return 0;
}
int checkboard(void)
{
int ret;
char *mode;
u32 otp;
struct udevice *dev;
const char *fdt_compat;
int fdt_compat_len;
if (IS_ENABLED(CONFIG_TFABOOT))
mode = "trusted";
else
mode = "basic";
fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
&fdt_compat_len);
log_info("Board: stm32mp1 in %s mode (%s)\n", mode,
fdt_compat && fdt_compat_len ? fdt_compat : "");
/* display the STMicroelectronics board identification */
if (CONFIG_IS_ENABLED(CMD_STBOARD)) {
ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_DRIVER_GET(stm32mp_bsec),
&dev);
if (!ret)
ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
&otp, sizeof(otp));
if (ret > 0 && otp)
log_info("Board: MB%04x Var%d.%d Rev.%c-%02d\n",
otp >> 16,
(otp >> 12) & 0xF,
(otp >> 4) & 0xF,
((otp >> 8) & 0xF) - 1 + 'A',
otp & 0xF);
}
return 0;
}
static void board_key_check(void)
{
ofnode node;
struct gpio_desc gpio;
enum forced_boot_mode boot_mode = BOOT_NORMAL;
if (!IS_ENABLED(CONFIG_FASTBOOT) && !IS_ENABLED(CONFIG_CMD_STM32PROG))
return;
node = ofnode_path("/config");
if (!ofnode_valid(node)) {
log_debug("no /config node?\n");
return;
}
if (IS_ENABLED(CONFIG_FASTBOOT)) {
if (gpio_request_by_name_nodev(node, "st,fastboot-gpios", 0,
&gpio, GPIOD_IS_IN)) {
log_debug("could not find a /config/st,fastboot-gpios\n");
} else {
udelay(20);
if (dm_gpio_get_value(&gpio)) {
log_notice("Fastboot key pressed, ");
boot_mode = BOOT_FASTBOOT;
}
dm_gpio_free(NULL, &gpio);
}
}
if (IS_ENABLED(CONFIG_CMD_STM32PROG)) {
if (gpio_request_by_name_nodev(node, "st,stm32prog-gpios", 0,
&gpio, GPIOD_IS_IN)) {
log_debug("could not find a /config/st,stm32prog-gpios\n");
} else {
udelay(20);
if (dm_gpio_get_value(&gpio)) {
log_notice("STM32Programmer key pressed, ");
boot_mode = BOOT_STM32PROG;
}
dm_gpio_free(NULL, &gpio);
}
}
if (boot_mode != BOOT_NORMAL) {
log_notice("entering download mode...\n");
clrsetbits_le32(TAMP_BOOT_CONTEXT,
TAMP_BOOT_FORCED_MASK,
boot_mode);
}
}
int g_dnl_board_usb_cable_connected(void)
{
struct udevice *dwc2_udc_otg;
int ret;
if (!IS_ENABLED(CONFIG_USB_GADGET_DWC2_OTG))
return -ENODEV;
/* if typec stusb160x is present, means DK1 or DK2 board */
ret = stusb160x_cable_connected();
if (ret >= 0)
return ret;
ret = uclass_get_device_by_driver(UCLASS_USB_GADGET_GENERIC,
DM_DRIVER_GET(dwc2_udc_otg),
&dwc2_udc_otg);
if (ret) {
log_debug("dwc2_udc_otg init failed\n");
return ret;
}
return dwc2_udc_B_session_valid(dwc2_udc_otg);
}
#ifdef CONFIG_USB_GADGET_DOWNLOAD
#define STM32MP1_G_DNL_DFU_PRODUCT_NUM 0xdf11
#define STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM 0x0afb
int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
{
if (IS_ENABLED(CONFIG_DFU_OVER_USB) &&
!strcmp(name, "usb_dnl_dfu"))
put_unaligned(STM32MP1_G_DNL_DFU_PRODUCT_NUM, &dev->idProduct);
else if (IS_ENABLED(CONFIG_FASTBOOT) &&
!strcmp(name, "usb_dnl_fastboot"))
put_unaligned(STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM,
&dev->idProduct);
else
put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM, &dev->idProduct);
return 0;
}
#endif /* CONFIG_USB_GADGET_DOWNLOAD */
static int get_led(struct udevice **dev, char *led_string)
{
char *led_name;
int ret;
led_name = fdtdec_get_config_string(gd->fdt_blob, led_string);
if (!led_name) {
log_debug("could not find %s config string\n", led_string);
return -ENOENT;
}
ret = led_get_by_label(led_name, dev);
if (ret) {
log_debug("get=%d\n", ret);
return ret;
}
return 0;
}
static int setup_led(enum led_state_t cmd)
{
struct udevice *dev;
int ret;
if (!CONFIG_IS_ENABLED(LED))
return 0;
ret = get_led(&dev, "u-boot,boot-led");
if (ret)
return ret;
ret = led_set_state(dev, cmd);
return ret;
}
static void __maybe_unused led_error_blink(u32 nb_blink)
{
int ret;
struct udevice *led;
u32 i;
if (!nb_blink)
return;
if (CONFIG_IS_ENABLED(LED)) {
ret = get_led(&led, "u-boot,error-led");
if (!ret) {
/* make u-boot,error-led blinking */
/* if U32_MAX and 125ms interval, for 17.02 years */
for (i = 0; i < 2 * nb_blink; i++) {
led_set_state(led, LEDST_TOGGLE);
mdelay(125);
WATCHDOG_RESET();
}
led_set_state(led, LEDST_ON);
}
}
/* infinite: the boot process must be stopped */
if (nb_blink == U32_MAX)
hang();
}
static int adc_measurement(ofnode node, int adc_count, int *min_uV, int *max_uV)
{
struct ofnode_phandle_args adc_args;
struct udevice *adc;
unsigned int raw;
int ret, uV;
int i;
for (i = 0; i < adc_count; i++) {
if (ofnode_parse_phandle_with_args(node, "st,adc_usb_pd",
"#io-channel-cells", 0, i,
&adc_args)) {
log_debug("can't find /config/st,adc_usb_pd\n");
return 0;
}
ret = uclass_get_device_by_ofnode(UCLASS_ADC, adc_args.node,
&adc);
if (ret) {
log_err("Can't get adc device(%d)\n", ret);
return ret;
}
ret = adc_channel_single_shot(adc->name, adc_args.args[0],
&raw);
if (ret) {
log_err("single shot failed for %s[%d]!\n",
adc->name, adc_args.args[0]);
return ret;
}
/* Convert to uV */
if (!adc_raw_to_uV(adc, raw, &uV)) {
if (uV > *max_uV)
*max_uV = uV;
if (uV < *min_uV)
*min_uV = uV;
log_debug("%s[%02d] = %u, %d uV\n",
adc->name, adc_args.args[0], raw, uV);
} else {
log_err("Can't get uV value for %s[%d]\n",
adc->name, adc_args.args[0]);
}
}
return 0;
}
static int board_check_usb_power(void)
{
ofnode node;
int max_uV = 0;
int min_uV = USB_START_HIGH_THRESHOLD_UV;
int adc_count, ret;
u32 nb_blink;
u8 i;
if (!IS_ENABLED(CONFIG_ADC))
return -ENODEV;
node = ofnode_path("/config");
if (!ofnode_valid(node)) {
log_debug("no /config node?\n");
return -ENOENT;
}
/*
* Retrieve the ADC channels devices and get measurement
* for each of them
*/
adc_count = ofnode_count_phandle_with_args(node, "st,adc_usb_pd",
"#io-channel-cells", 0);
if (adc_count < 0) {
if (adc_count == -ENOENT)
return 0;
log_err("Can't find adc channel (%d)\n", adc_count);
return adc_count;
}
/* perform maximum of 2 ADC measurements to detect power supply current */
for (i = 0; i < 2; i++) {
ret = adc_measurement(node, adc_count, &min_uV, &max_uV);
if (ret)
return ret;
/*
* If highest value is inside 1.23 Volts and 2.10 Volts, that means
* board is plugged on an USB-C 3A power supply and boot process can
* continue.
*/
if (max_uV > USB_START_LOW_THRESHOLD_UV &&
max_uV <= USB_START_HIGH_THRESHOLD_UV &&
min_uV <= USB_LOW_THRESHOLD_UV)
return 0;
if (i == 0) {
log_err("Previous ADC measurements was not the one expected, retry in 20ms\n");
mdelay(20); /* equal to max tPDDebounce duration (min 10ms - max 20ms) */
}
}
log_notice("****************************************************\n");
/*
* If highest and lowest value are either both below
* USB_LOW_THRESHOLD_UV or both above USB_LOW_THRESHOLD_UV, that
* means USB TYPE-C is in unattached mode, this is an issue, make
* u-boot,error-led blinking and stop boot process.
*/
if ((max_uV > USB_LOW_THRESHOLD_UV &&
min_uV > USB_LOW_THRESHOLD_UV) ||
(max_uV <= USB_LOW_THRESHOLD_UV &&
min_uV <= USB_LOW_THRESHOLD_UV)) {
log_notice("* ERROR USB TYPE-C connection in unattached mode *\n");
log_notice("* Check that USB TYPE-C cable is correctly plugged *\n");
/* with 125ms interval, led will blink for 17.02 years ....*/
nb_blink = U32_MAX;
}
if (max_uV > USB_LOW_THRESHOLD_UV &&
max_uV <= USB_WARNING_LOW_THRESHOLD_UV &&
min_uV <= USB_LOW_THRESHOLD_UV) {
log_notice("* WARNING 500mA power supply detected *\n");
nb_blink = 2;
}
if (max_uV > USB_WARNING_LOW_THRESHOLD_UV &&
max_uV <= USB_START_LOW_THRESHOLD_UV &&
min_uV <= USB_LOW_THRESHOLD_UV) {
log_notice("* WARNING 1.5A power supply detected *\n");
nb_blink = 3;
}
/*
* If highest value is above 2.15 Volts that means that the USB TypeC
* supplies more than 3 Amp, this is not compliant with TypeC specification
*/
if (max_uV > USB_START_HIGH_THRESHOLD_UV) {
log_notice("* USB TYPE-C charger not compliant with *\n");
log_notice("* specification *\n");
log_notice("****************************************************\n\n");
/* with 125ms interval, led will blink for 17.02 years ....*/
nb_blink = U32_MAX;
} else {
log_notice("* Current too low, use a 3A power supply! *\n");
log_notice("****************************************************\n\n");
}
led_error_blink(nb_blink);
return 0;
}
static void sysconf_init(void)
{
u8 *syscfg;
struct udevice *pwr_dev;
struct udevice *pwr_reg;
struct udevice *dev;
u32 otp = 0;
int ret;
u32 bootr, val;
syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
/* interconnect update : select master using the port 1 */
/* LTDC = AXI_M9 */
/* GPU = AXI_M8 */
/* today information is hardcoded in U-Boot */
writel(BIT(9), syscfg + SYSCFG_ICNR);
/* disable Pull-Down for boot pin connected to VDD */
bootr = readl(syscfg + SYSCFG_BOOTR);
bootr &= ~(SYSCFG_BOOTR_BOOT_MASK << SYSCFG_BOOTR_BOOTPD_SHIFT);
bootr |= (bootr & SYSCFG_BOOTR_BOOT_MASK) << SYSCFG_BOOTR_BOOTPD_SHIFT;
writel(bootr, syscfg + SYSCFG_BOOTR);
/* High Speed Low Voltage Pad mode Enable for SPI, SDMMC, ETH, QSPI
* and TRACE. Needed above ~50MHz and conditioned by AFMUX selection.
* The customer will have to disable this for low frequencies
* or if AFMUX is selected but the function not used, typically for
* TRACE. Otherwise, impact on power consumption.
*
* WARNING:
* enabling High Speed mode while VDD>2.7V
* with the OTP product_below_2v5 (OTP 18, BIT 13)
* erroneously set to 1 can damage the IC!
* => U-Boot set the register only if VDD < 2.7V (in DT)
* but this value need to be consistent with board design
*/
ret = uclass_get_device_by_driver(UCLASS_PMIC,
DM_DRIVER_GET(stm32mp_pwr_pmic),
&pwr_dev);
if (!ret && IS_ENABLED(CONFIG_DM_REGULATOR)) {
ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_DRIVER_GET(stm32mp_bsec),
&dev);
if (ret) {
log_err("Can't find stm32mp_bsec driver\n");
return;
}
ret = misc_read(dev, STM32_BSEC_SHADOW(18), &otp, 4);
if (ret > 0)
otp = otp & BIT(13);
/* get VDD = vdd-supply */
ret = device_get_supply_regulator(pwr_dev, "vdd-supply",
&pwr_reg);
/* check if VDD is Low Voltage */
if (!ret) {
if (regulator_get_value(pwr_reg) < 2700000) {
writel(SYSCFG_IOCTRLSETR_HSLVEN_TRACE |
SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI |
SYSCFG_IOCTRLSETR_HSLVEN_ETH |
SYSCFG_IOCTRLSETR_HSLVEN_SDMMC |
SYSCFG_IOCTRLSETR_HSLVEN_SPI,
syscfg + SYSCFG_IOCTRLSETR);
if (!otp)
log_err("product_below_2v5=0: HSLVEN protected by HW\n");
} else {
if (otp)
log_err("product_below_2v5=1: HSLVEN update is destructive, no update as VDD>2.7V\n");
}
} else {
log_debug("VDD unknown");
}
}
/* activate automatic I/O compensation
* warning: need to ensure CSI enabled and ready in clock driver
*/
writel(SYSCFG_CMPENSETR_MPU_EN, syscfg + SYSCFG_CMPENSETR);
/* poll until ready (1s timeout) */
ret = readl_poll_timeout(syscfg + SYSCFG_CMPCR, val,
val & SYSCFG_CMPCR_READY,
1000000);
if (ret) {
log_err("SYSCFG: I/O compensation failed, timeout.\n");
led_error_blink(10);
}
clrbits_le32(syscfg + SYSCFG_CMPCR, SYSCFG_CMPCR_SW_CTRL);
}
/* Fix to make I2C1 usable on DK2 for touchscreen usage in kernel */
static int dk2_i2c1_fix(void)
{
ofnode node;
struct gpio_desc hdmi, audio;
int ret = 0;
if (!IS_ENABLED(CONFIG_DM_REGULATOR))
return -ENODEV;
node = ofnode_path("/soc/i2c@40012000/hdmi-transmitter@39");
if (!ofnode_valid(node)) {
log_debug("no hdmi-transmitter@39 ?\n");
return -ENOENT;
}
if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
&hdmi, GPIOD_IS_OUT)) {
log_debug("could not find reset-gpios\n");
return -ENOENT;
}
node = ofnode_path("/soc/i2c@40012000/cs42l51@4a");
if (!ofnode_valid(node)) {
log_debug("no cs42l51@4a ?\n");
return -ENOENT;
}
if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
&audio, GPIOD_IS_OUT)) {
log_debug("could not find reset-gpios\n");
return -ENOENT;
}
/* before power up, insure that HDMI and AUDIO IC is under reset */
ret = dm_gpio_set_value(&hdmi, 1);
if (ret) {
log_err("can't set_value for hdmi_nrst gpio");
goto error;
}
ret = dm_gpio_set_value(&audio, 1);
if (ret) {
log_err("can't set_value for audio_nrst gpio");
goto error;
}
/* power-up audio IC */
regulator_autoset_by_name("v1v8_audio", NULL);
/* power-up HDMI IC */
regulator_autoset_by_name("v1v2_hdmi", NULL);
regulator_autoset_by_name("v3v3_hdmi", NULL);
error:
return ret;
}
static bool board_is_dk2(void)
{
if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
of_machine_is_compatible("st,stm32mp157c-dk2"))
return true;
return false;
}
static bool board_is_ev1(void)
{
if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
(of_machine_is_compatible("st,stm32mp157a-ev1") ||
of_machine_is_compatible("st,stm32mp157c-ev1") ||
of_machine_is_compatible("st,stm32mp157d-ev1") ||
of_machine_is_compatible("st,stm32mp157f-ev1")))
return true;
return false;
}
/* touchscreen driver: only used for pincontrol configuration */
static const struct udevice_id goodix_ids[] = {
{ .compatible = "goodix,gt9147", },
{ }
};
U_BOOT_DRIVER(goodix) = {
.name = "goodix",
.id = UCLASS_NOP,
.of_match = goodix_ids,
};
static void board_ev1_init(void)
{
struct udevice *dev;
/* configure IRQ line on EV1 for touchscreen before LCD reset */
uclass_get_device_by_driver(UCLASS_NOP, DM_DRIVER_GET(goodix), &dev);
}
/* board dependent setup after realloc */
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = STM32_DDR_BASE + 0x100;
if (CONFIG_IS_ENABLED(DM_GPIO_HOG))
gpio_hog_probe_all();
board_key_check();
if (board_is_ev1())
board_ev1_init();
if (board_is_dk2())
dk2_i2c1_fix();
if (IS_ENABLED(CONFIG_DM_REGULATOR))
regulators_enable_boot_on(_DEBUG);
if (!IS_ENABLED(CONFIG_TFABOOT))
sysconf_init();
if (CONFIG_IS_ENABLED(LED))
led_default_state();
setup_led(LEDST_ON);
return 0;
}
int board_late_init(void)
{
const void *fdt_compat;
int fdt_compat_len;
int ret;
u32 otp;
struct udevice *dev;
char buf[10];
char dtb_name[256];
int buf_len;
if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
&fdt_compat_len);
if (fdt_compat && fdt_compat_len) {
if (strncmp(fdt_compat, "st,", 3) != 0) {
env_set("board_name", fdt_compat);
} else {
env_set("board_name", fdt_compat + 3);
buf_len = sizeof(dtb_name);
strncpy(dtb_name, fdt_compat + 3, buf_len);
buf_len -= strlen(fdt_compat + 3);
strncat(dtb_name, ".dtb", buf_len);
env_set("fdtfile", dtb_name);
}
}
ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_DRIVER_GET(stm32mp_bsec),
&dev);
if (!ret)
ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
&otp, sizeof(otp));
if (ret > 0 && otp) {
snprintf(buf, sizeof(buf), "0x%04x", otp >> 16);
env_set("board_id", buf);
snprintf(buf, sizeof(buf), "0x%04x",
((otp >> 8) & 0xF) - 1 + 0xA);
env_set("board_rev", buf);
}
}
/* for DK1/DK2 boards */
board_check_usb_power();
return 0;
}
void board_quiesce_devices(void)
{
setup_led(LEDST_OFF);
}
/* eth init function : weak called in eqos driver */
int board_interface_eth_init(struct udevice *dev,
phy_interface_t interface_type)
{
u8 *syscfg;
u32 value;
bool eth_clk_sel_reg = false;
bool eth_ref_clk_sel_reg = false;
/* Gigabit Ethernet 125MHz clock selection. */
eth_clk_sel_reg = dev_read_bool(dev, "st,eth-clk-sel");
/* Ethernet 50Mhz RMII clock selection */
eth_ref_clk_sel_reg =
dev_read_bool(dev, "st,eth-ref-clk-sel");
syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
if (!syscfg)
return -ENODEV;
switch (interface_type) {
case PHY_INTERFACE_MODE_MII:
value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
log_debug("PHY_INTERFACE_MODE_MII\n");
break;
case PHY_INTERFACE_MODE_GMII:
if (eth_clk_sel_reg)
value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
SYSCFG_PMCSETR_ETH_CLK_SEL;
else
value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII;
log_debug("PHY_INTERFACE_MODE_GMII\n");
break;
case PHY_INTERFACE_MODE_RMII:
if (eth_ref_clk_sel_reg)
value = SYSCFG_PMCSETR_ETH_SEL_RMII |
SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
else
value = SYSCFG_PMCSETR_ETH_SEL_RMII;
log_debug("PHY_INTERFACE_MODE_RMII\n");
break;
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII_TXID:
if (eth_clk_sel_reg)
value = SYSCFG_PMCSETR_ETH_SEL_RGMII |
SYSCFG_PMCSETR_ETH_CLK_SEL;
else
value = SYSCFG_PMCSETR_ETH_SEL_RGMII;
log_debug("PHY_INTERFACE_MODE_RGMII\n");
break;
default:
log_debug("Do not manage %d interface\n",
interface_type);
/* Do not manage others interfaces */
return -EINVAL;
}
/* clear and set ETH configuration bits */
writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII |
SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL,
syscfg + SYSCFG_PMCCLRR);
writel(value, syscfg + SYSCFG_PMCSETR);
return 0;
}
enum env_location env_get_location(enum env_operation op, int prio)
{
u32 bootmode = get_bootmode();
if (prio)
return ENVL_UNKNOWN;
switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
case BOOT_FLASH_SD:
case BOOT_FLASH_EMMC:
if (CONFIG_IS_ENABLED(ENV_IS_IN_MMC))
return ENVL_MMC;
else if (CONFIG_IS_ENABLED(ENV_IS_IN_EXT4))
return ENVL_EXT4;
else
return ENVL_NOWHERE;
case BOOT_FLASH_NAND:
case BOOT_FLASH_SPINAND:
if (CONFIG_IS_ENABLED(ENV_IS_IN_UBI))
return ENVL_UBI;
else
return ENVL_NOWHERE;
case BOOT_FLASH_NOR:
if (CONFIG_IS_ENABLED(ENV_IS_IN_SPI_FLASH))
return ENVL_SPI_FLASH;
else
return ENVL_NOWHERE;
default:
return ENVL_NOWHERE;
}
}
const char *env_ext4_get_intf(void)
{
u32 bootmode = get_bootmode();
switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
case BOOT_FLASH_SD:
case BOOT_FLASH_EMMC:
return "mmc";
default:
return "";
}
}
int mmc_get_boot(void)
{
struct udevice *dev;
u32 boot_mode = get_bootmode();
unsigned int instance = (boot_mode & TAMP_BOOT_INSTANCE_MASK) - 1;
char cmd[20];
const u32 sdmmc_addr[] = {
STM32_SDMMC1_BASE,
STM32_SDMMC2_BASE,
STM32_SDMMC3_BASE
};
if (instance > ARRAY_SIZE(sdmmc_addr))
return 0;
/* search associated sdmmc node in devicetree */
snprintf(cmd, sizeof(cmd), "mmc@%x", sdmmc_addr[instance]);
if (uclass_get_device_by_name(UCLASS_MMC, cmd, &dev)) {
log_err("mmc%d = %s not found in device tree!\n", instance, cmd);
return 0;
}
return dev_seq(dev);
};
const char *env_ext4_get_dev_part(void)
{
static char *const env_dev_part =
#ifdef CONFIG_ENV_EXT4_DEVICE_AND_PART
CONFIG_ENV_EXT4_DEVICE_AND_PART;
#else
"";
#endif
static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"};
if (strlen(env_dev_part) > 0)
return env_dev_part;
return dev_part[mmc_get_boot()];
}
int mmc_get_env_dev(void)
{
if (CONFIG_SYS_MMC_ENV_DEV >= 0)
return CONFIG_SYS_MMC_ENV_DEV;
/* use boot instance to select the correct mmc device identifier */
return mmc_get_boot();
}
#if defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *blob, struct bd_info *bd)
{
static const struct node_info nodes[] = {
{ "st,stm32f469-qspi", MTD_DEV_TYPE_NOR, },
{ "st,stm32f469-qspi", MTD_DEV_TYPE_SPINAND},
{ "st,stm32mp15-fmc2", MTD_DEV_TYPE_NAND, },
{ "st,stm32mp1-fmc2-nfc", MTD_DEV_TYPE_NAND, },
};
char *boot_device;
/* Check the boot-source and don't update MTD for serial or usb boot */
boot_device = env_get("boot_device");
if (!boot_device ||
(strcmp(boot_device, "serial") && strcmp(boot_device, "usb")))
if (IS_ENABLED(CONFIG_FDT_FIXUP_PARTITIONS))
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
return 0;
}
#endif
static void board_copro_image_process(ulong fw_image, size_t fw_size)
{
int ret, id = 0; /* Copro id fixed to 0 as only one coproc on mp1 */
if (!rproc_is_initialized())
if (rproc_init()) {
log_err("Remote Processor %d initialization failed\n",
id);
return;
}
ret = rproc_load(id, fw_image, fw_size);
log_err("Load Remote Processor %d with data@addr=0x%08lx %u bytes:%s\n",
id, fw_image, fw_size, ret ? " Failed!" : " Success!");
if (!ret)
rproc_start(id);
}
U_BOOT_FIT_LOADABLE_HANDLER(IH_TYPE_COPRO, board_copro_image_process);
|