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