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 #if defined(CONFIG_FASTBOOT) || defined(CONFIG_CMD_STM32PROG)
 139         ofnode node;
 140         struct gpio_desc gpio;
 141         enum forced_boot_mode boot_mode = BOOT_NORMAL;
 142
 143         node = ofnode_path("/config");
 144         if (!ofnode_valid(node)) {
 145                 debug("%s: no /config node?\n", __func__);
 146                 return;
 147         }
 148 #ifdef CONFIG_FASTBOOT
 149         if (gpio_request_by_name_nodev(node, "st,fastboot-gpios", 0,
 150                                        &gpio, GPIOD_IS_IN)) {
 151                 debug("%s: could not find a /config/st,fastboot-gpios\n",
 152                       __func__);
 153         } else {
 154                 if (dm_gpio_get_value(&gpio)) {
 155                         puts("Fastboot key pressed, ");
 156                         boot_mode = BOOT_FASTBOOT;
 157                 }
 158
 159                 dm_gpio_free(NULL, &gpio);
 160         }
 161 #endif
 162 #ifdef CONFIG_CMD_STM32PROG
 163         if (gpio_request_by_name_nodev(node, "st,stm32prog-gpios", 0,
 164                                        &gpio, GPIOD_IS_IN)) {
 165                 debug("%s: could not find a /config/st,stm32prog-gpios\n",
 166                       __func__);
 167         } else {
 168                 if (dm_gpio_get_value(&gpio)) {
 169                         puts("STM32Programmer key pressed, ");
 170                         boot_mode = BOOT_STM32PROG;
 171                 }
 172                 dm_gpio_free(NULL, &gpio);
 173         }
 174 #endif
 175
 176         if (boot_mode != BOOT_NORMAL) {
 177                 puts("entering download mode...\n");
 178                 clrsetbits_le32(TAMP_BOOT_CONTEXT,
 179                                 TAMP_BOOT_FORCED_MASK,
 180                                 boot_mode);
 181         }
 182 #endif
 183 }
 184
 185 #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
 186 #include <usb/dwc2_udc.h>
 187 int g_dnl_board_usb_cable_connected(void)
 188 {
 189         struct udevice *dwc2_udc_otg;
 190         int ret;
 191
 192         /* if typec stusb160x is present, means DK1 or DK2 board */
 193         ret = stusb160x_cable_connected();
 194         if (ret >= 0)
 195                 return ret;
 196
 197         ret = uclass_get_device_by_driver(UCLASS_USB_GADGET_GENERIC,
 198                                           DM_GET_DRIVER(dwc2_udc_otg),
 199                                           &dwc2_udc_otg);
 200         if (!ret)
 201                 debug("dwc2_udc_otg init failed\n");
 202
 203         return dwc2_udc_B_session_valid(dwc2_udc_otg);
 204 }
 205
 206 #define STM32MP1_G_DNL_DFU_PRODUCT_NUM 0xdf11
 207 #define STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM 0x0afb
 208
 209 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
 210 {
 211         if (!strcmp(name, "usb_dnl_dfu"))
 212                 put_unaligned(STM32MP1_G_DNL_DFU_PRODUCT_NUM, &dev->idProduct);
 213         else if (!strcmp(name, "usb_dnl_fastboot"))
 214                 put_unaligned(STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM,
 215                               &dev->idProduct);
 216         else
 217                 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM, &dev->idProduct);
 218
 219         return 0;
 220 }
 221
 222 #endif /* CONFIG_USB_GADGET */
 223
 224 static int get_led(struct udevice **dev, char *led_string)
 225 {
 226         char *led_name;
 227         int ret;
 228
 229         led_name = fdtdec_get_config_string(gd->fdt_blob, led_string);
 230         if (!led_name) {
 231                 pr_debug("%s: could not find %s config string\n",
 232                          __func__, led_string);
 233                 return -ENOENT;
 234         }
 235         ret = led_get_by_label(led_name, dev);
 236         if (ret) {
 237                 debug("%s: get=%d\n", __func__, ret);
 238                 return ret;
 239         }
 240
 241         return 0;
 242 }
 243
 244 static int setup_led(enum led_state_t cmd)
 245 {
 246         struct udevice *dev;
 247         int ret;
 248
 249         if (!CONFIG_IS_ENABLED(LED))
 250                 return 0;
 251
 252         ret = get_led(&dev, "u-boot,boot-led");
 253         if (ret)
 254                 return ret;
 255
 256         ret = led_set_state(dev, cmd);
 257         return ret;
 258 }
 259
 260 static void __maybe_unused led_error_blink(u32 nb_blink)
 261 {
 262         int ret;
 263         struct udevice *led;
 264         u32 i;
 265
 266         if (!nb_blink)
 267                 return;
 268
 269         if (CONFIG_IS_ENABLED(LED)) {
 270                 ret = get_led(&led, "u-boot,error-led");
 271                 if (!ret) {
 272                         /* make u-boot,error-led blinking */
 273                         /* if U32_MAX and 125ms interval, for 17.02 years */
 274                         for (i = 0; i < 2 * nb_blink; i++) {
 275                                 led_set_state(led, LEDST_TOGGLE);
 276                                 mdelay(125);
 277                                 WATCHDOG_RESET();
 278                         }
 279                         led_set_state(led, LEDST_ON);
 280                 }
 281         }
 282
 283         /* infinite: the boot process must be stopped */
 284         if (nb_blink == U32_MAX)
 285                 hang();
 286 }
 287
 288 #ifdef CONFIG_ADC
 289 static int board_check_usb_power(void)
 290 {
 291         struct ofnode_phandle_args adc_args;
 292         struct udevice *adc;
 293         ofnode node;
 294         unsigned int raw;
 295         int max_uV = 0;
 296         int min_uV = USB_START_HIGH_THRESHOLD_UV;
 297         int ret, uV, adc_count;
 298         u32 nb_blink;
 299         u8 i;
 300         node = ofnode_path("/config");
 301         if (!ofnode_valid(node)) {
 302                 debug("%s: no /config node?\n", __func__);
 303                 return -ENOENT;
 304         }
 305
 306         /*
 307          * Retrieve the ADC channels devices and get measurement
 308          * for each of them
 309          */
 310         adc_count = ofnode_count_phandle_with_args(node, "st,adc_usb_pd",
 311                                                    "#io-channel-cells");
 312         if (adc_count < 0) {
 313                 if (adc_count == -ENOENT)
 314                         return 0;
 315
 316                 pr_err("%s: can't find adc channel (%d)\n", __func__,
 317                        adc_count);
 318
 319                 return adc_count;
 320         }
 321
 322         for (i = 0; i < adc_count; i++) {
 323                 if (ofnode_parse_phandle_with_args(node, "st,adc_usb_pd",
 324                                                    "#io-channel-cells", 0, i,
 325                                                    &adc_args)) {
 326                         pr_debug("%s: can't find /config/st,adc_usb_pd\n",
 327                                  __func__);
 328                         return 0;
 329                 }
 330
 331                 ret = uclass_get_device_by_ofnode(UCLASS_ADC, adc_args.node,
 332                                                   &adc);
 333
 334                 if (ret) {
 335                         pr_err("%s: Can't get adc device(%d)\n", __func__,
 336                                ret);
 337                         return ret;
 338                 }
 339
 340                 ret = adc_channel_single_shot(adc->name, adc_args.args[0],
 341                                               &raw);
 342                 if (ret) {
 343                         pr_err("%s: single shot failed for %s[%d]!\n",
 344                                __func__, adc->name, adc_args.args[0]);
 345                         return ret;
 346                 }
 347                 /* Convert to uV */
 348                 if (!adc_raw_to_uV(adc, raw, &uV)) {
 349                         if (uV > max_uV)
 350                                 max_uV = uV;
 351                         if (uV < min_uV)
 352                                 min_uV = uV;
 353                         pr_debug("%s: %s[%02d] = %u, %d uV\n", __func__,
 354                                  adc->name, adc_args.args[0], raw, uV);
 355                 } else {
 356                         pr_err("%s: Can't get uV value for %s[%d]\n",
 357                                __func__, adc->name, adc_args.args[0]);
 358                 }
 359         }
 360
 361         /*
 362          * If highest value is inside 1.23 Volts and 2.10 Volts, that means
 363          * board is plugged on an USB-C 3A power supply and boot process can
 364          * continue.
 365          */
 366         if (max_uV > USB_START_LOW_THRESHOLD_UV &&
 367             max_uV <= USB_START_HIGH_THRESHOLD_UV &&
 368             min_uV <= USB_LOW_THRESHOLD_UV)
 369                 return 0;
 370
 371         pr_err("****************************************************\n");
 372
 373         /*
 374          * If highest and lowest value are either both below
 375          * USB_LOW_THRESHOLD_UV or both above USB_LOW_THRESHOLD_UV, that
 376          * means USB TYPE-C is in unattached mode, this is an issue, make
 377          * u-boot,error-led blinking and stop boot process.
 378          */
 379         if ((max_uV > USB_LOW_THRESHOLD_UV &&
 380              min_uV > USB_LOW_THRESHOLD_UV) ||
 381              (max_uV <= USB_LOW_THRESHOLD_UV &&
 382              min_uV <= USB_LOW_THRESHOLD_UV)) {
 383                 pr_err("* ERROR USB TYPE-C connection in unattached mode   *\n");
 384                 pr_err("* Check that USB TYPE-C cable is correctly plugged *\n");
 385                 /* with 125ms interval, led will blink for 17.02 years ....*/
 386                 nb_blink = U32_MAX;
 387         }
 388
 389         if (max_uV > USB_LOW_THRESHOLD_UV &&
 390             max_uV <= USB_WARNING_LOW_THRESHOLD_UV &&
 391             min_uV <= USB_LOW_THRESHOLD_UV) {
 392                 pr_err("*        WARNING 500mA power supply detected       *\n");
 393                 nb_blink = 2;
 394         }
 395
 396         if (max_uV > USB_WARNING_LOW_THRESHOLD_UV &&
 397             max_uV <= USB_START_LOW_THRESHOLD_UV &&
 398             min_uV <= USB_LOW_THRESHOLD_UV) {
 399                 pr_err("*       WARNING 1.5A power supply detected        *\n");
 400                 nb_blink = 3;
 401         }
 402
 403         /*
 404          * If highest value is above 2.15 Volts that means that the USB TypeC
 405          * supplies more than 3 Amp, this is not compliant with TypeC specification
 406          */
 407         if (max_uV > USB_START_HIGH_THRESHOLD_UV) {
 408                 pr_err("*      USB TYPE-C charger not compliant with       *\n");
 409                 pr_err("*                   specification                  *\n");
 410                 pr_err("****************************************************\n\n");
 411                 /* with 125ms interval, led will blink for 17.02 years ....*/
 412                 nb_blink = U32_MAX;
 413         } else {
 414                 pr_err("*     Current too low, use a 3A power supply!      *\n");
 415                 pr_err("****************************************************\n\n");
 416         }
 417
 418         led_error_blink(nb_blink);
 419
 420         return 0;
 421 }
 422 #endif /* CONFIG_ADC */
 423
 424 static void sysconf_init(void)
 425 {
 426 #ifndef CONFIG_TFABOOT
 427         u8 *syscfg;
 428 #ifdef CONFIG_DM_REGULATOR
 429         struct udevice *pwr_dev;
 430         struct udevice *pwr_reg;
 431         struct udevice *dev;
 432         u32 otp = 0;
 433 #endif
 434         int ret;
 435         u32 bootr, val;
 436
 437         syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
 438
 439         /* interconnect update : select master using the port 1 */
 440         /* LTDC = AXI_M9 */
 441         /* GPU  = AXI_M8 */
 442         /* today information is hardcoded in U-Boot */
 443         writel(BIT(9), syscfg + SYSCFG_ICNR);
 444
 445         /* disable Pull-Down for boot pin connected to VDD */
 446         bootr = readl(syscfg + SYSCFG_BOOTR);
 447         bootr &= ~(SYSCFG_BOOTR_BOOT_MASK << SYSCFG_BOOTR_BOOTPD_SHIFT);
 448         bootr |= (bootr & SYSCFG_BOOTR_BOOT_MASK) << SYSCFG_BOOTR_BOOTPD_SHIFT;
 449         writel(bootr, syscfg + SYSCFG_BOOTR);
 450
 451 #ifdef CONFIG_DM_REGULATOR
 452         /* High Speed Low Voltage Pad mode Enable for SPI, SDMMC, ETH, QSPI
 453          * and TRACE. Needed above ~50MHz and conditioned by AFMUX selection.
 454          * The customer will have to disable this for low frequencies
 455          * or if AFMUX is selected but the function not used, typically for
 456          * TRACE. Otherwise, impact on power consumption.
 457          *
 458          * WARNING:
 459          *   enabling High Speed mode while VDD>2.7V
 460          *   with the OTP product_below_2v5 (OTP 18, BIT 13)
 461          *   erroneously set to 1 can damage the IC!
 462          *   => U-Boot set the register only if VDD < 2.7V (in DT)
 463          *      but this value need to be consistent with board design
 464          */
 465         ret = uclass_get_device_by_driver(UCLASS_PMIC,
 466                                           DM_GET_DRIVER(stm32mp_pwr_pmic),
 467                                           &pwr_dev);
 468         if (!ret) {
 469                 ret = uclass_get_device_by_driver(UCLASS_MISC,
 470                                                   DM_GET_DRIVER(stm32mp_bsec),
 471                                                   &dev);
 472                 if (ret) {
 473                         pr_err("Can't find stm32mp_bsec driver\n");
 474                         return;
 475                 }
 476
 477                 ret = misc_read(dev, STM32_BSEC_SHADOW(18), &otp, 4);
 478                 if (ret > 0)
 479                         otp = otp & BIT(13);
 480
 481                 /* get VDD = vdd-supply */
 482                 ret = device_get_supply_regulator(pwr_dev, "vdd-supply",
 483                                                   &pwr_reg);
 484
 485                 /* check if VDD is Low Voltage */
 486                 if (!ret) {
 487                         if (regulator_get_value(pwr_reg) < 2700000) {
 488                                 writel(SYSCFG_IOCTRLSETR_HSLVEN_TRACE |
 489                                        SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI |
 490                                        SYSCFG_IOCTRLSETR_HSLVEN_ETH |
 491                                        SYSCFG_IOCTRLSETR_HSLVEN_SDMMC |
 492                                        SYSCFG_IOCTRLSETR_HSLVEN_SPI,
 493                                        syscfg + SYSCFG_IOCTRLSETR);
 494
 495                                 if (!otp)
 496                                         pr_err("product_below_2v5=0: HSLVEN protected by HW\n");
 497                         } else {
 498                                 if (otp)
 499                                         pr_err("product_below_2v5=1: HSLVEN update is destructive, no update as VDD>2.7V\n");
 500                         }
 501                 } else {
 502                         debug("VDD unknown");
 503                 }
 504         }
 505 #endif
 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 #endif
 523 }
 524
 525 #ifdef CONFIG_DM_REGULATOR
 526 /* Fix to make I2C1 usable on DK2 for touchscreen usage in kernel */
 527 static int dk2_i2c1_fix(void)
 528 {
 529         ofnode node;
 530         struct gpio_desc hdmi, audio;
 531         int ret = 0;
 532
 533         node = ofnode_path("/soc/i2c@40012000/hdmi-transmitter@39");
 534         if (!ofnode_valid(node)) {
 535                 pr_debug("%s: no hdmi-transmitter@39 ?\n", __func__);
 536                 return -ENOENT;
 537         }
 538
 539         if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
 540                                        &hdmi, GPIOD_IS_OUT)) {
 541                 pr_debug("%s: could not find reset-gpios\n",
 542                          __func__);
 543                 return -ENOENT;
 544         }
 545
 546         node = ofnode_path("/soc/i2c@40012000/cs42l51@4a");
 547         if (!ofnode_valid(node)) {
 548                 pr_debug("%s: no cs42l51@4a ?\n", __func__);
 549                 return -ENOENT;
 550         }
 551
 552         if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
 553                                        &audio, GPIOD_IS_OUT)) {
 554                 pr_debug("%s: could not find reset-gpios\n",
 555                          __func__);
 556                 return -ENOENT;
 557         }
 558
 559         /* before power up, insure that HDMI and AUDIO IC is under reset */
 560         ret = dm_gpio_set_value(&hdmi, 1);
 561         if (ret) {
 562                 pr_err("%s: can't set_value for hdmi_nrst gpio", __func__);
 563                 goto error;
 564         }
 565         ret = dm_gpio_set_value(&audio, 1);
 566         if (ret) {
 567                 pr_err("%s: can't set_value for audio_nrst gpio", __func__);
 568                 goto error;
 569         }
 570
 571         /* power-up audio IC */
 572         regulator_autoset_by_name("v1v8_audio", NULL);
 573
 574         /* power-up HDMI IC */
 575         regulator_autoset_by_name("v1v2_hdmi", NULL);
 576         regulator_autoset_by_name("v3v3_hdmi", NULL);
 577
 578 error:
 579         return ret;
 580 }
 581
 582 static bool board_is_dk2(void)
 583 {
 584         if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
 585             of_machine_is_compatible("st,stm32mp157c-dk2"))
 586                 return true;
 587
 588         return false;
 589 }
 590 #endif
 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 #ifdef CONFIG_DM_REGULATOR
 639         if (board_is_dk2())
 640                 dk2_i2c1_fix();
 641
 642         regulators_enable_boot_on(_DEBUG);
 643 #endif
 644
 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 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 658         const void *fdt_compat;
 659         int fdt_compat_len;
 660         int ret;
 661         u32 otp;
 662         struct udevice *dev;
 663         char buf[10];
 664
 665         fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
 666                                  &fdt_compat_len);
 667         if (fdt_compat && fdt_compat_len) {
 668                 if (strncmp(fdt_compat, "st,", 3) != 0) {
 669                         env_set("board_name", fdt_compat);
 670                 } else {
 671                         char dtb_name[256];
 672                         int buf_len = sizeof(dtb_name);
 673
 674                         env_set("board_name", fdt_compat + 3);
 675
 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 && 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 #endif
 698
 699 #ifdef CONFIG_ADC
 700         /* for DK1/DK2 boards */
 701         board_check_usb_power();
 702 #endif /* CONFIG_ADC */
 703
 704         return 0;
 705 }
 706
 707 void board_quiesce_devices(void)
 708 {
 709         setup_led(LEDST_OFF);
 710 }
 711
 712 /* eth init function : weak called in eqos driver */
 713 int board_interface_eth_init(struct udevice *dev,
 714                              phy_interface_t interface_type)
 715 {
 716         u8 *syscfg;
 717         u32 value;
 718         bool eth_clk_sel_reg = false;
 719         bool eth_ref_clk_sel_reg = false;
 720
 721         /* Gigabit Ethernet 125MHz clock selection. */
 722         eth_clk_sel_reg = dev_read_bool(dev, "st,eth_clk_sel");
 723
 724         /* Ethernet 50Mhz RMII clock selection */
 725         eth_ref_clk_sel_reg =
 726                 dev_read_bool(dev, "st,eth_ref_clk_sel");
 727
 728         syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
 729
 730         if (!syscfg)
 731                 return -ENODEV;
 732
 733         switch (interface_type) {
 734         case PHY_INTERFACE_MODE_MII:
 735                 value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
 736                         SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
 737                 debug("%s: PHY_INTERFACE_MODE_MII\n", __func__);
 738                 break;
 739         case PHY_INTERFACE_MODE_GMII:
 740                 if (eth_clk_sel_reg)
 741                         value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
 742                                 SYSCFG_PMCSETR_ETH_CLK_SEL;
 743                 else
 744                         value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII;
 745                 debug("%s: PHY_INTERFACE_MODE_GMII\n", __func__);
 746                 break;
 747         case PHY_INTERFACE_MODE_RMII:
 748                 if (eth_ref_clk_sel_reg)
 749                         value = SYSCFG_PMCSETR_ETH_SEL_RMII |
 750                                 SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
 751                 else
 752                         value = SYSCFG_PMCSETR_ETH_SEL_RMII;
 753                 debug("%s: PHY_INTERFACE_MODE_RMII\n", __func__);
 754                 break;
 755         case PHY_INTERFACE_MODE_RGMII:
 756         case PHY_INTERFACE_MODE_RGMII_ID:
 757         case PHY_INTERFACE_MODE_RGMII_RXID:
 758         case PHY_INTERFACE_MODE_RGMII_TXID:
 759                 if (eth_clk_sel_reg)
 760                         value = SYSCFG_PMCSETR_ETH_SEL_RGMII |
 761                                 SYSCFG_PMCSETR_ETH_CLK_SEL;
 762                 else
 763                         value = SYSCFG_PMCSETR_ETH_SEL_RGMII;
 764                 debug("%s: PHY_INTERFACE_MODE_RGMII\n", __func__);
 765                 break;
 766         default:
 767                 debug("%s: Do not manage %d interface\n",
 768                       __func__, interface_type);
 769                 /* Do not manage others interfaces */
 770                 return -EINVAL;
 771         }
 772
 773         /* clear and set ETH configuration bits */
 774         writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII |
 775                SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL,
 776                syscfg + SYSCFG_PMCCLRR);
 777         writel(value, syscfg + SYSCFG_PMCSETR);
 778
 779         return 0;
 780 }
 781
 782 enum env_location env_get_location(enum env_operation op, int prio)
 783 {
 784         u32 bootmode = get_bootmode();
 785
 786         if (prio)
 787                 return ENVL_UNKNOWN;
 788
 789         switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
 790 #ifdef CONFIG_ENV_IS_IN_EXT4
 791         case BOOT_FLASH_SD:
 792         case BOOT_FLASH_EMMC:
 793                 return ENVL_EXT4;
 794 #endif
 795 #ifdef CONFIG_ENV_IS_IN_UBI
 796         case BOOT_FLASH_NAND:
 797         case BOOT_FLASH_SPINAND:
 798                 return ENVL_UBI;
 799 #endif
 800 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH
 801         case BOOT_FLASH_NOR:
 802                 return ENVL_SPI_FLASH;
 803 #endif
 804         default:
 805                 return ENVL_NOWHERE;
 806         }
 807 }
 808
 809 #if defined(CONFIG_ENV_IS_IN_EXT4)
 810 const char *env_ext4_get_intf(void)
 811 {
 812         u32 bootmode = get_bootmode();
 813
 814         switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
 815         case BOOT_FLASH_SD:
 816         case BOOT_FLASH_EMMC:
 817                 return "mmc";
 818         default:
 819                 return "";
 820         }
 821 }
 822
 823 const char *env_ext4_get_dev_part(void)
 824 {
 825         static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"};
 826         u32 bootmode = get_bootmode();
 827
 828         return dev_part[(bootmode & TAMP_BOOT_INSTANCE_MASK) - 1];
 829 }
 830 #endif
 831
 832 #if defined(CONFIG_OF_BOARD_SETUP)
 833 int ft_board_setup(void *blob, struct bd_info *bd)
 834 {
 835 #ifdef CONFIG_FDT_FIXUP_PARTITIONS
 836         struct node_info nodes[] = {
 837                 { "st,stm32f469-qspi",          MTD_DEV_TYPE_NOR,  },
 838                 { "st,stm32f469-qspi",          MTD_DEV_TYPE_SPINAND},
 839                 { "st,stm32mp15-fmc2",          MTD_DEV_TYPE_NAND, },
 840         };
 841         fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
 842 #endif
 843
 844         return 0;
 845 }
 846 #endif
 847
 848 static void board_copro_image_process(ulong fw_image, size_t fw_size)
 849 {
 850         int ret, id = 0; /* Copro id fixed to 0 as only one coproc on mp1 */
 851
 852         if (!rproc_is_initialized())
 853                 if (rproc_init()) {
 854                         printf("Remote Processor %d initialization failed\n",
 855                                id);
 856                         return;
 857                 }
 858
 859         ret = rproc_load(id, fw_image, fw_size);
 860         printf("Load Remote Processor %d with data@addr=0x%08lx %u bytes:%s\n",
 861                id, fw_image, fw_size, ret ? " Failed!" : " Success!");
 862
 863         if (!ret)
 864                 rproc_start(id);
 865 }
 866
 867 U_BOOT_FIT_LOADABLE_HANDLER(IH_TYPE_COPRO, board_copro_image_process);