board/st/stm32mp1/stm32mp1.c

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