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 <g_dnl.h>
  14 #include <generic-phy.h>
  15 #include <hang.h>
  16 #include <i2c.h>
  17 #include <init.h>
  18 #include <led.h>
  19 #include <malloc.h>
  20 #include <misc.h>
  21 #include <mtd_node.h>
  22 #include <netdev.h>
  23 #include <phy.h>
  24 #include <remoteproc.h>
  25 #include <reset.h>
  26 #include <syscon.h>
  27 #include <usb.h>
  28 #include <watchdog.h>
  29 #include <asm/io.h>
  30 #include <asm/gpio.h>
  31 #include <asm/arch/stm32.h>
  32 #include <asm/arch/sys_proto.h>
  33 #include <jffs2/load_kernel.h>
  34 #include <linux/err.h>
  35 #include <power/regulator.h>
  36 #include <usb/dwc2_udc.h>
  37
  38 /* SYSCFG registers */
  39 #define SYSCFG_BOOTR            0x00
  40 #define SYSCFG_PMCSETR          0x04
  41 #define SYSCFG_IOCTRLSETR       0x18
  42 #define SYSCFG_ICNR             0x1C
  43 #define SYSCFG_CMPCR            0x20
  44 #define SYSCFG_CMPENSETR        0x24
  45 #define SYSCFG_PMCCLRR          0x44
  46
  47 #define SYSCFG_BOOTR_BOOT_MASK          GENMASK(2, 0)
  48 #define SYSCFG_BOOTR_BOOTPD_SHIFT       4
  49
  50 #define SYSCFG_IOCTRLSETR_HSLVEN_TRACE          BIT(0)
  51 #define SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI        BIT(1)
  52 #define SYSCFG_IOCTRLSETR_HSLVEN_ETH            BIT(2)
  53 #define SYSCFG_IOCTRLSETR_HSLVEN_SDMMC          BIT(3)
  54 #define SYSCFG_IOCTRLSETR_HSLVEN_SPI            BIT(4)
  55
  56 #define SYSCFG_CMPCR_SW_CTRL            BIT(1)
  57 #define SYSCFG_CMPCR_READY              BIT(8)
  58
  59 #define SYSCFG_CMPENSETR_MPU_EN         BIT(0)
  60
  61 #define SYSCFG_PMCSETR_ETH_CLK_SEL      BIT(16)
  62 #define SYSCFG_PMCSETR_ETH_REF_CLK_SEL  BIT(17)
  63
  64 #define SYSCFG_PMCSETR_ETH_SELMII       BIT(20)
  65
  66 #define SYSCFG_PMCSETR_ETH_SEL_MASK     GENMASK(23, 21)
  67 #define SYSCFG_PMCSETR_ETH_SEL_GMII_MII 0
  68 #define SYSCFG_PMCSETR_ETH_SEL_RGMII    BIT(21)
  69 #define SYSCFG_PMCSETR_ETH_SEL_RMII     BIT(23)
  70
  71 /*
  72  * Get a global data pointer
  73  */
  74 DECLARE_GLOBAL_DATA_PTR;
  75
  76 #define USB_LOW_THRESHOLD_UV            200000
  77 #define USB_WARNING_LOW_THRESHOLD_UV    660000
  78 #define USB_START_LOW_THRESHOLD_UV      1230000
  79 #define USB_START_HIGH_THRESHOLD_UV     2150000
  80
  81 int checkboard(void)
  82 {
  83         int ret;
  84         char *mode;
  85         u32 otp;
  86         struct udevice *dev;
  87         const char *fdt_compat;
  88         int fdt_compat_len;
  89
  90         if (IS_ENABLED(CONFIG_TFABOOT))
  91                 mode = "trusted";
  92         else
  93                 mode = "basic";
  94
  95         printf("Board: stm32mp1 in %s mode", mode);
  96         fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
  97                                  &fdt_compat_len);
  98         if (fdt_compat && fdt_compat_len)
  99                 printf(" (%s)", fdt_compat);
 100         puts("\n");
 101
 102         /* display the STMicroelectronics board identification */
 103         if (CONFIG_IS_ENABLED(CMD_STBOARD)) {
 104                 ret = uclass_get_device_by_driver(UCLASS_MISC,
 105                                                   DM_GET_DRIVER(stm32mp_bsec),
 106                                                   &dev);
 107                 if (!ret)
 108                         ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
 109                                         &otp, sizeof(otp));
 110                 if (ret > 0 && otp)
 111                         printf("Board: MB%04x Var%d.%d Rev.%c-%02d\n",
 112                                otp >> 16,
 113                                (otp >> 12) & 0xF,
 114                                (otp >> 4) & 0xF,
 115                                ((otp >> 8) & 0xF) - 1 + 'A',
 116                                otp & 0xF);
 117         }
 118
 119         return 0;
 120 }
 121
 122 static void board_key_check(void)
 123 {
 124 #if defined(CONFIG_FASTBOOT) || defined(CONFIG_CMD_STM32PROG)
 125         ofnode node;
 126         struct gpio_desc gpio;
 127         enum forced_boot_mode boot_mode = BOOT_NORMAL;
 128
 129         node = ofnode_path("/config");
 130         if (!ofnode_valid(node)) {
 131                 debug("%s: no /config node?\n", __func__);
 132                 return;
 133         }
 134 #ifdef CONFIG_FASTBOOT
 135         if (gpio_request_by_name_nodev(node, "st,fastboot-gpios", 0,
 136                                        &gpio, GPIOD_IS_IN)) {
 137                 debug("%s: could not find a /config/st,fastboot-gpios\n",
 138                       __func__);
 139         } else {
 140                 if (dm_gpio_get_value(&gpio)) {
 141                         puts("Fastboot key pressed, ");
 142                         boot_mode = BOOT_FASTBOOT;
 143                 }
 144
 145                 dm_gpio_free(NULL, &gpio);
 146         }
 147 #endif
 148 #ifdef CONFIG_CMD_STM32PROG
 149         if (gpio_request_by_name_nodev(node, "st,stm32prog-gpios", 0,
 150                                        &gpio, GPIOD_IS_IN)) {
 151                 debug("%s: could not find a /config/st,stm32prog-gpios\n",
 152                       __func__);
 153         } else {
 154                 if (dm_gpio_get_value(&gpio)) {
 155                         puts("STM32Programmer key pressed, ");
 156                         boot_mode = BOOT_STM32PROG;
 157                 }
 158                 dm_gpio_free(NULL, &gpio);
 159         }
 160 #endif
 161
 162         if (boot_mode != BOOT_NORMAL) {
 163                 puts("entering download mode...\n");
 164                 clrsetbits_le32(TAMP_BOOT_CONTEXT,
 165                                 TAMP_BOOT_FORCED_MASK,
 166                                 boot_mode);
 167         }
 168 #endif
 169 }
 170
 171 #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
 172
 173 /* STMicroelectronics STUSB1600 Type-C controller */
 174 #define STUSB1600_CC_CONNECTION_STATUS          0x0E
 175
 176 /* STUSB1600_CC_CONNECTION_STATUS bitfields */
 177 #define STUSB1600_CC_ATTACH                     BIT(0)
 178
 179 static int stusb1600_init(struct udevice **dev_stusb1600)
 180 {
 181         ofnode node;
 182         struct udevice *dev, *bus;
 183         int ret;
 184         u32 chip_addr;
 185
 186         *dev_stusb1600 = NULL;
 187
 188         /* if node stusb1600 is present, means DK1 or DK2 board */
 189         node = ofnode_by_compatible(ofnode_null(), "st,stusb1600");
 190         if (!ofnode_valid(node))
 191                 return -ENODEV;
 192
 193         ret = ofnode_read_u32(node, "reg", &chip_addr);
 194         if (ret)
 195                 return -EINVAL;
 196
 197         ret = uclass_get_device_by_ofnode(UCLASS_I2C, ofnode_get_parent(node),
 198                                           &bus);
 199         if (ret) {
 200                 printf("bus for stusb1600 not found\n");
 201                 return -ENODEV;
 202         }
 203
 204         ret = dm_i2c_probe(bus, chip_addr, 0, &dev);
 205         if (!ret)
 206                 *dev_stusb1600 = dev;
 207
 208         return ret;
 209 }
 210
 211 static int stusb1600_cable_connected(struct udevice *dev)
 212 {
 213         u8 status;
 214
 215         if (dm_i2c_read(dev, STUSB1600_CC_CONNECTION_STATUS, &status, 1))
 216                 return 0;
 217
 218         return status & STUSB1600_CC_ATTACH;
 219 }
 220
 221 #include <usb/dwc2_udc.h>
 222 int g_dnl_board_usb_cable_connected(void)
 223 {
 224         struct udevice *stusb1600;
 225         struct udevice *dwc2_udc_otg;
 226         int ret;
 227
 228         if (!stusb1600_init(&stusb1600))
 229                 return stusb1600_cable_connected(stusb1600);
 230
 231         ret = uclass_get_device_by_driver(UCLASS_USB_GADGET_GENERIC,
 232                                           DM_GET_DRIVER(dwc2_udc_otg),
 233                                           &dwc2_udc_otg);
 234         if (!ret)
 235                 debug("dwc2_udc_otg init failed\n");
 236
 237         return dwc2_udc_B_session_valid(dwc2_udc_otg);
 238 }
 239
 240 #define STM32MP1_G_DNL_DFU_PRODUCT_NUM 0xdf11
 241 #define STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM 0x0afb
 242
 243 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
 244 {
 245         if (!strcmp(name, "usb_dnl_dfu"))
 246                 put_unaligned(STM32MP1_G_DNL_DFU_PRODUCT_NUM, &dev->idProduct);
 247         else if (!strcmp(name, "usb_dnl_fastboot"))
 248                 put_unaligned(STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM,
 249                               &dev->idProduct);
 250         else
 251                 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM, &dev->idProduct);
 252
 253         return 0;
 254 }
 255
 256 #endif /* CONFIG_USB_GADGET */
 257
 258 #ifdef CONFIG_LED
 259 static int get_led(struct udevice **dev, char *led_string)
 260 {
 261         char *led_name;
 262         int ret;
 263
 264         led_name = fdtdec_get_config_string(gd->fdt_blob, led_string);
 265         if (!led_name) {
 266                 pr_debug("%s: could not find %s config string\n",
 267                          __func__, led_string);
 268                 return -ENOENT;
 269         }
 270         ret = led_get_by_label(led_name, dev);
 271         if (ret) {
 272                 debug("%s: get=%d\n", __func__, ret);
 273                 return ret;
 274         }
 275
 276         return 0;
 277 }
 278
 279 static int setup_led(enum led_state_t cmd)
 280 {
 281         struct udevice *dev;
 282         int ret;
 283
 284         ret = get_led(&dev, "u-boot,boot-led");
 285         if (ret)
 286                 return ret;
 287
 288         ret = led_set_state(dev, cmd);
 289         return ret;
 290 }
 291 #endif
 292
 293 static void __maybe_unused led_error_blink(u32 nb_blink)
 294 {
 295 #ifdef CONFIG_LED
 296         int ret;
 297         struct udevice *led;
 298         u32 i;
 299 #endif
 300
 301         if (!nb_blink)
 302                 return;
 303
 304 #ifdef CONFIG_LED
 305         ret = get_led(&led, "u-boot,error-led");
 306         if (!ret) {
 307                 /* make u-boot,error-led blinking */
 308                 /* if U32_MAX and 125ms interval, for 17.02 years */
 309                 for (i = 0; i < 2 * nb_blink; i++) {
 310                         led_set_state(led, LEDST_TOGGLE);
 311                         mdelay(125);
 312                         WATCHDOG_RESET();
 313                 }
 314         }
 315 #endif
 316
 317         /* infinite: the boot process must be stopped */
 318         if (nb_blink == U32_MAX)
 319                 hang();
 320 }
 321
 322 #ifdef CONFIG_ADC
 323 static int board_check_usb_power(void)
 324 {
 325         struct ofnode_phandle_args adc_args;
 326         struct udevice *adc;
 327         ofnode node;
 328         unsigned int raw;
 329         int max_uV = 0;
 330         int min_uV = USB_START_HIGH_THRESHOLD_UV;
 331         int ret, uV, adc_count;
 332         u32 nb_blink;
 333         u8 i;
 334         node = ofnode_path("/config");
 335         if (!ofnode_valid(node)) {
 336                 debug("%s: no /config node?\n", __func__);
 337                 return -ENOENT;
 338         }
 339
 340         /*
 341          * Retrieve the ADC channels devices and get measurement
 342          * for each of them
 343          */
 344         adc_count = ofnode_count_phandle_with_args(node, "st,adc_usb_pd",
 345                                                    "#io-channel-cells");
 346         if (adc_count < 0) {
 347                 if (adc_count == -ENOENT)
 348                         return 0;
 349
 350                 pr_err("%s: can't find adc channel (%d)\n", __func__,
 351                        adc_count);
 352
 353                 return adc_count;
 354         }
 355
 356         for (i = 0; i < adc_count; i++) {
 357                 if (ofnode_parse_phandle_with_args(node, "st,adc_usb_pd",
 358                                                    "#io-channel-cells", 0, i,
 359                                                    &adc_args)) {
 360                         pr_debug("%s: can't find /config/st,adc_usb_pd\n",
 361                                  __func__);
 362                         return 0;
 363                 }
 364
 365                 ret = uclass_get_device_by_ofnode(UCLASS_ADC, adc_args.node,
 366                                                   &adc);
 367
 368                 if (ret) {
 369                         pr_err("%s: Can't get adc device(%d)\n", __func__,
 370                                ret);
 371                         return ret;
 372                 }
 373
 374                 ret = adc_channel_single_shot(adc->name, adc_args.args[0],
 375                                               &raw);
 376                 if (ret) {
 377                         pr_err("%s: single shot failed for %s[%d]!\n",
 378                                __func__, adc->name, adc_args.args[0]);
 379                         return ret;
 380                 }
 381                 /* Convert to uV */
 382                 if (!adc_raw_to_uV(adc, raw, &uV)) {
 383                         if (uV > max_uV)
 384                                 max_uV = uV;
 385                         if (uV < min_uV)
 386                                 min_uV = uV;
 387                         pr_debug("%s: %s[%02d] = %u, %d uV\n", __func__,
 388                                  adc->name, adc_args.args[0], raw, uV);
 389                 } else {
 390                         pr_err("%s: Can't get uV value for %s[%d]\n",
 391                                __func__, adc->name, adc_args.args[0]);
 392                 }
 393         }
 394
 395         /*
 396          * If highest value is inside 1.23 Volts and 2.10 Volts, that means
 397          * board is plugged on an USB-C 3A power supply and boot process can
 398          * continue.
 399          */
 400         if (max_uV > USB_START_LOW_THRESHOLD_UV &&
 401             max_uV <= USB_START_HIGH_THRESHOLD_UV &&
 402             min_uV <= USB_LOW_THRESHOLD_UV)
 403                 return 0;
 404
 405         pr_err("****************************************************\n");
 406
 407         /*
 408          * If highest and lowest value are either both below
 409          * USB_LOW_THRESHOLD_UV or both above USB_LOW_THRESHOLD_UV, that
 410          * means USB TYPE-C is in unattached mode, this is an issue, make
 411          * u-boot,error-led blinking and stop boot process.
 412          */
 413         if ((max_uV > USB_LOW_THRESHOLD_UV &&
 414              min_uV > USB_LOW_THRESHOLD_UV) ||
 415              (max_uV <= USB_LOW_THRESHOLD_UV &&
 416              min_uV <= USB_LOW_THRESHOLD_UV)) {
 417                 pr_err("* ERROR USB TYPE-C connection in unattached mode   *\n");
 418                 pr_err("* Check that USB TYPE-C cable is correctly plugged *\n");
 419                 /* with 125ms interval, led will blink for 17.02 years ....*/
 420                 nb_blink = U32_MAX;
 421         }
 422
 423         if (max_uV > USB_LOW_THRESHOLD_UV &&
 424             max_uV <= USB_WARNING_LOW_THRESHOLD_UV &&
 425             min_uV <= USB_LOW_THRESHOLD_UV) {
 426                 pr_err("*        WARNING 500mA power supply detected       *\n");
 427                 nb_blink = 2;
 428         }
 429
 430         if (max_uV > USB_WARNING_LOW_THRESHOLD_UV &&
 431             max_uV <= USB_START_LOW_THRESHOLD_UV &&
 432             min_uV <= USB_LOW_THRESHOLD_UV) {
 433                 pr_err("*       WARNING 1.5mA power supply detected        *\n");
 434                 nb_blink = 3;
 435         }
 436
 437         /*
 438          * If highest value is above 2.15 Volts that means that the USB TypeC
 439          * supplies more than 3 Amp, this is not compliant with TypeC specification
 440          */
 441         if (max_uV > USB_START_HIGH_THRESHOLD_UV) {
 442                 pr_err("*      USB TYPE-C charger not compliant with       *\n");
 443                 pr_err("*                   specification                  *\n");
 444                 pr_err("****************************************************\n\n");
 445                 /* with 125ms interval, led will blink for 17.02 years ....*/
 446                 nb_blink = U32_MAX;
 447         } else {
 448                 pr_err("*     Current too low, use a 3A power supply!      *\n");
 449                 pr_err("****************************************************\n\n");
 450         }
 451
 452         led_error_blink(nb_blink);
 453
 454         return 0;
 455 }
 456 #endif /* CONFIG_ADC */
 457
 458 static void sysconf_init(void)
 459 {
 460 #ifndef CONFIG_TFABOOT
 461         u8 *syscfg;
 462 #ifdef CONFIG_DM_REGULATOR
 463         struct udevice *pwr_dev;
 464         struct udevice *pwr_reg;
 465         struct udevice *dev;
 466         int ret;
 467         u32 otp = 0;
 468 #endif
 469         u32 bootr;
 470
 471         syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
 472
 473         /* interconnect update : select master using the port 1 */
 474         /* LTDC = AXI_M9 */
 475         /* GPU  = AXI_M8 */
 476         /* today information is hardcoded in U-Boot */
 477         writel(BIT(9), syscfg + SYSCFG_ICNR);
 478
 479         /* disable Pull-Down for boot pin connected to VDD */
 480         bootr = readl(syscfg + SYSCFG_BOOTR);
 481         bootr &= ~(SYSCFG_BOOTR_BOOT_MASK << SYSCFG_BOOTR_BOOTPD_SHIFT);
 482         bootr |= (bootr & SYSCFG_BOOTR_BOOT_MASK) << SYSCFG_BOOTR_BOOTPD_SHIFT;
 483         writel(bootr, syscfg + SYSCFG_BOOTR);
 484
 485 #ifdef CONFIG_DM_REGULATOR
 486         /* High Speed Low Voltage Pad mode Enable for SPI, SDMMC, ETH, QSPI
 487          * and TRACE. Needed above ~50MHz and conditioned by AFMUX selection.
 488          * The customer will have to disable this for low frequencies
 489          * or if AFMUX is selected but the function not used, typically for
 490          * TRACE. Otherwise, impact on power consumption.
 491          *
 492          * WARNING:
 493          *   enabling High Speed mode while VDD>2.7V
 494          *   with the OTP product_below_2v5 (OTP 18, BIT 13)
 495          *   erroneously set to 1 can damage the IC!
 496          *   => U-Boot set the register only if VDD < 2.7V (in DT)
 497          *      but this value need to be consistent with board design
 498          */
 499         ret = uclass_get_device_by_driver(UCLASS_PMIC,
 500                                           DM_GET_DRIVER(stm32mp_pwr_pmic),
 501                                           &pwr_dev);
 502         if (!ret) {
 503                 ret = uclass_get_device_by_driver(UCLASS_MISC,
 504                                                   DM_GET_DRIVER(stm32mp_bsec),
 505                                                   &dev);
 506                 if (ret) {
 507                         pr_err("Can't find stm32mp_bsec driver\n");
 508                         return;
 509                 }
 510
 511                 ret = misc_read(dev, STM32_BSEC_SHADOW(18), &otp, 4);
 512                 if (ret > 0)
 513                         otp = otp & BIT(13);
 514
 515                 /* get VDD = vdd-supply */
 516                 ret = device_get_supply_regulator(pwr_dev, "vdd-supply",
 517                                                   &pwr_reg);
 518
 519                 /* check if VDD is Low Voltage */
 520                 if (!ret) {
 521                         if (regulator_get_value(pwr_reg) < 2700000) {
 522                                 writel(SYSCFG_IOCTRLSETR_HSLVEN_TRACE |
 523                                        SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI |
 524                                        SYSCFG_IOCTRLSETR_HSLVEN_ETH |
 525                                        SYSCFG_IOCTRLSETR_HSLVEN_SDMMC |
 526                                        SYSCFG_IOCTRLSETR_HSLVEN_SPI,
 527                                        syscfg + SYSCFG_IOCTRLSETR);
 528
 529                                 if (!otp)
 530                                         pr_err("product_below_2v5=0: HSLVEN protected by HW\n");
 531                         } else {
 532                                 if (otp)
 533                                         pr_err("product_below_2v5=1: HSLVEN update is destructive, no update as VDD>2.7V\n");
 534                         }
 535                 } else {
 536                         debug("VDD unknown");
 537                 }
 538         }
 539 #endif
 540
 541         /* activate automatic I/O compensation
 542          * warning: need to ensure CSI enabled and ready in clock driver
 543          */
 544         writel(SYSCFG_CMPENSETR_MPU_EN, syscfg + SYSCFG_CMPENSETR);
 545
 546         while (!(readl(syscfg + SYSCFG_CMPCR) & SYSCFG_CMPCR_READY))
 547                 ;
 548         clrbits_le32(syscfg + SYSCFG_CMPCR, SYSCFG_CMPCR_SW_CTRL);
 549 #endif
 550 }
 551
 552 #ifdef CONFIG_DM_REGULATOR
 553 /* Fix to make I2C1 usable on DK2 for touchscreen usage in kernel */
 554 static int dk2_i2c1_fix(void)
 555 {
 556         ofnode node;
 557         struct gpio_desc hdmi, audio;
 558         int ret = 0;
 559
 560         node = ofnode_path("/soc/i2c@40012000/hdmi-transmitter@39");
 561         if (!ofnode_valid(node)) {
 562                 pr_debug("%s: no hdmi-transmitter@39 ?\n", __func__);
 563                 return -ENOENT;
 564         }
 565
 566         if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
 567                                        &hdmi, GPIOD_IS_OUT)) {
 568                 pr_debug("%s: could not find reset-gpios\n",
 569                          __func__);
 570                 return -ENOENT;
 571         }
 572
 573         node = ofnode_path("/soc/i2c@40012000/cs42l51@4a");
 574         if (!ofnode_valid(node)) {
 575                 pr_debug("%s: no cs42l51@4a ?\n", __func__);
 576                 return -ENOENT;
 577         }
 578
 579         if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
 580                                        &audio, GPIOD_IS_OUT)) {
 581                 pr_debug("%s: could not find reset-gpios\n",
 582                          __func__);
 583                 return -ENOENT;
 584         }
 585
 586         /* before power up, insure that HDMI and AUDIO IC is under reset */
 587         ret = dm_gpio_set_value(&hdmi, 1);
 588         if (ret) {
 589                 pr_err("%s: can't set_value for hdmi_nrst gpio", __func__);
 590                 goto error;
 591         }
 592         ret = dm_gpio_set_value(&audio, 1);
 593         if (ret) {
 594                 pr_err("%s: can't set_value for audio_nrst gpio", __func__);
 595                 goto error;
 596         }
 597
 598         /* power-up audio IC */
 599         regulator_autoset_by_name("v1v8_audio", NULL);
 600
 601         /* power-up HDMI IC */
 602         regulator_autoset_by_name("v1v2_hdmi", NULL);
 603         regulator_autoset_by_name("v3v3_hdmi", NULL);
 604
 605 error:
 606         return ret;
 607 }
 608
 609 static bool board_is_dk2(void)
 610 {
 611         if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
 612             of_machine_is_compatible("st,stm32mp157c-dk2"))
 613                 return true;
 614
 615         return false;
 616 }
 617 #endif
 618
 619 /* board dependent setup after realloc */
 620 int board_init(void)
 621 {
 622         struct udevice *dev;
 623
 624         /* address of boot parameters */
 625         gd->bd->bi_boot_params = STM32_DDR_BASE + 0x100;
 626
 627         /* probe all PINCTRL for hog */
 628         for (uclass_first_device(UCLASS_PINCTRL, &dev);
 629              dev;
 630              uclass_next_device(&dev)) {
 631                 pr_debug("probe pincontrol = %s\n", dev->name);
 632         }
 633
 634         board_key_check();
 635
 636 #ifdef CONFIG_DM_REGULATOR
 637         if (board_is_dk2())
 638                 dk2_i2c1_fix();
 639
 640         regulators_enable_boot_on(_DEBUG);
 641 #endif
 642
 643         sysconf_init();
 644
 645         if (CONFIG_IS_ENABLED(LED))
 646                 led_default_state();
 647
 648         return 0;
 649 }
 650
 651 int board_late_init(void)
 652 {
 653         char *boot_device;
 654 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 655         const void *fdt_compat;
 656         int fdt_compat_len;
 657         int ret;
 658         u32 otp;
 659         struct udevice *dev;
 660         char buf[10];
 661
 662         fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
 663                                  &fdt_compat_len);
 664         if (fdt_compat && fdt_compat_len) {
 665                 if (strncmp(fdt_compat, "st,", 3) != 0)
 666                         env_set("board_name", fdt_compat);
 667                 else
 668                         env_set("board_name", fdt_compat + 3);
 669         }
 670         ret = uclass_get_device_by_driver(UCLASS_MISC,
 671                                           DM_GET_DRIVER(stm32mp_bsec),
 672                                           &dev);
 673
 674         if (!ret)
 675                 ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
 676                                 &otp, sizeof(otp));
 677         if (!ret && otp) {
 678                 snprintf(buf, sizeof(buf), "0x%04x", otp >> 16);
 679                 env_set("board_id", buf);
 680
 681                 snprintf(buf, sizeof(buf), "0x%04x",
 682                          ((otp >> 8) & 0xF) - 1 + 0xA);
 683                 env_set("board_rev", buf);
 684         }
 685 #endif
 686
 687 #ifdef CONFIG_ADC
 688         /* for DK1/DK2 boards */
 689         board_check_usb_power();
 690 #endif /* CONFIG_ADC */
 691
 692         /* Check the boot-source to disable bootdelay */
 693         boot_device = env_get("boot_device");
 694         if (!strcmp(boot_device, "serial") || !strcmp(boot_device, "usb"))
 695                 env_set("bootdelay", "0");
 696
 697         return 0;
 698 }
 699
 700 void board_quiesce_devices(void)
 701 {
 702 #ifdef CONFIG_LED
 703         setup_led(LEDST_OFF);
 704 #endif
 705 }
 706
 707 /* eth init function : weak called in eqos driver */
 708 int board_interface_eth_init(struct udevice *dev,
 709                              phy_interface_t interface_type)
 710 {
 711         u8 *syscfg;
 712         u32 value;
 713         bool eth_clk_sel_reg = false;
 714         bool eth_ref_clk_sel_reg = false;
 715
 716         /* Gigabit Ethernet 125MHz clock selection. */
 717         eth_clk_sel_reg = dev_read_bool(dev, "st,eth_clk_sel");
 718
 719         /* Ethernet 50Mhz RMII clock selection */
 720         eth_ref_clk_sel_reg =
 721                 dev_read_bool(dev, "st,eth_ref_clk_sel");
 722
 723         syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
 724
 725         if (!syscfg)
 726                 return -ENODEV;
 727
 728         switch (interface_type) {
 729         case PHY_INTERFACE_MODE_MII:
 730                 value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
 731                         SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
 732                 debug("%s: PHY_INTERFACE_MODE_MII\n", __func__);
 733                 break;
 734         case PHY_INTERFACE_MODE_GMII:
 735                 if (eth_clk_sel_reg)
 736                         value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
 737                                 SYSCFG_PMCSETR_ETH_CLK_SEL;
 738                 else
 739                         value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII;
 740                 debug("%s: PHY_INTERFACE_MODE_GMII\n", __func__);
 741                 break;
 742         case PHY_INTERFACE_MODE_RMII:
 743                 if (eth_ref_clk_sel_reg)
 744                         value = SYSCFG_PMCSETR_ETH_SEL_RMII |
 745                                 SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
 746                 else
 747                         value = SYSCFG_PMCSETR_ETH_SEL_RMII;
 748                 debug("%s: PHY_INTERFACE_MODE_RMII\n", __func__);
 749                 break;
 750         case PHY_INTERFACE_MODE_RGMII:
 751         case PHY_INTERFACE_MODE_RGMII_ID:
 752         case PHY_INTERFACE_MODE_RGMII_RXID:
 753         case PHY_INTERFACE_MODE_RGMII_TXID:
 754                 if (eth_clk_sel_reg)
 755                         value = SYSCFG_PMCSETR_ETH_SEL_RGMII |
 756                                 SYSCFG_PMCSETR_ETH_CLK_SEL;
 757                 else
 758                         value = SYSCFG_PMCSETR_ETH_SEL_RGMII;
 759                 debug("%s: PHY_INTERFACE_MODE_RGMII\n", __func__);
 760                 break;
 761         default:
 762                 debug("%s: Do not manage %d interface\n",
 763                       __func__, interface_type);
 764                 /* Do not manage others interfaces */
 765                 return -EINVAL;
 766         }
 767
 768         /* clear and set ETH configuration bits */
 769         writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII |
 770                SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL,
 771                syscfg + SYSCFG_PMCCLRR);
 772         writel(value, syscfg + SYSCFG_PMCSETR);
 773
 774         return 0;
 775 }
 776
 777 enum env_location env_get_location(enum env_operation op, int prio)
 778 {
 779         u32 bootmode = get_bootmode();
 780
 781         if (prio)
 782                 return ENVL_UNKNOWN;
 783
 784         switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
 785 #ifdef CONFIG_ENV_IS_IN_EXT4
 786         case BOOT_FLASH_SD:
 787         case BOOT_FLASH_EMMC:
 788                 return ENVL_EXT4;
 789 #endif
 790 #ifdef CONFIG_ENV_IS_IN_UBI
 791         case BOOT_FLASH_NAND:
 792         case BOOT_FLASH_SPINAND:
 793                 return ENVL_UBI;
 794 #endif
 795 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH
 796         case BOOT_FLASH_NOR:
 797                 return ENVL_SPI_FLASH;
 798 #endif
 799         default:
 800                 return ENVL_NOWHERE;
 801         }
 802 }
 803
 804 #if defined(CONFIG_ENV_IS_IN_EXT4)
 805 const char *env_ext4_get_intf(void)
 806 {
 807         u32 bootmode = get_bootmode();
 808
 809         switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
 810         case BOOT_FLASH_SD:
 811         case BOOT_FLASH_EMMC:
 812                 return "mmc";
 813         default:
 814                 return "";
 815         }
 816 }
 817
 818 const char *env_ext4_get_dev_part(void)
 819 {
 820         static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"};
 821         u32 bootmode = get_bootmode();
 822
 823         return dev_part[(bootmode & TAMP_BOOT_INSTANCE_MASK) - 1];
 824 }
 825 #endif
 826
 827 #if defined(CONFIG_OF_BOARD_SETUP)
 828 int ft_board_setup(void *blob, bd_t *bd)
 829 {
 830 #ifdef CONFIG_FDT_FIXUP_PARTITIONS
 831         struct node_info nodes[] = {
 832                 { "st,stm32f469-qspi",          MTD_DEV_TYPE_NOR,  },
 833                 { "st,stm32f469-qspi",          MTD_DEV_TYPE_SPINAND},
 834                 { "st,stm32mp15-fmc2",          MTD_DEV_TYPE_NAND, },
 835         };
 836         fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
 837 #endif
 838
 839         return 0;
 840 }
 841 #endif
 842
 843 static void board_copro_image_process(ulong fw_image, size_t fw_size)
 844 {
 845         int ret, id = 0; /* Copro id fixed to 0 as only one coproc on mp1 */
 846
 847         if (!rproc_is_initialized())
 848                 if (rproc_init()) {
 849                         printf("Remote Processor %d initialization failed\n",
 850                                id);
 851                         return;
 852                 }
 853
 854         ret = rproc_load(id, fw_image, fw_size);
 855         printf("Load Remote Processor %d with data@addr=0x%08lx %u bytes:%s\n",
 856                id, fw_image, fw_size, ret ? " Failed!" : " Success!");
 857
 858         if (!ret)
 859                 rproc_start(id);
 860 }
 861
 862 U_BOOT_FIT_LOADABLE_HANDLER(IH_TYPE_COPRO, board_copro_image_process);