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 <i2c.h>
  16 #include <init.h>
  17 #include <led.h>
  18 #include <memalign.h>
  19 #include <misc.h>
  20 #include <mtd.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 <power/regulator.h>
  35 #include <usb/dwc2_udc.h>
  36
  37 /* SYSCFG registers */
  38 #define SYSCFG_BOOTR            0x00
  39 #define SYSCFG_PMCSETR          0x04
  40 #define SYSCFG_IOCTRLSETR       0x18
  41 #define SYSCFG_ICNR             0x1C
  42 #define SYSCFG_CMPCR            0x20
  43 #define SYSCFG_CMPENSETR        0x24
  44 #define SYSCFG_PMCCLRR          0x44
  45
  46 #define SYSCFG_BOOTR_BOOT_MASK          GENMASK(2, 0)
  47 #define SYSCFG_BOOTR_BOOTPD_SHIFT       4
  48
  49 #define SYSCFG_IOCTRLSETR_HSLVEN_TRACE          BIT(0)
  50 #define SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI        BIT(1)
  51 #define SYSCFG_IOCTRLSETR_HSLVEN_ETH            BIT(2)
  52 #define SYSCFG_IOCTRLSETR_HSLVEN_SDMMC          BIT(3)
  53 #define SYSCFG_IOCTRLSETR_HSLVEN_SPI            BIT(4)
  54
  55 #define SYSCFG_CMPCR_SW_CTRL            BIT(1)
  56 #define SYSCFG_CMPCR_READY              BIT(8)
  57
  58 #define SYSCFG_CMPENSETR_MPU_EN         BIT(0)
  59
  60 #define SYSCFG_PMCSETR_ETH_CLK_SEL      BIT(16)
  61 #define SYSCFG_PMCSETR_ETH_REF_CLK_SEL  BIT(17)
  62
  63 #define SYSCFG_PMCSETR_ETH_SELMII       BIT(20)
  64
  65 #define SYSCFG_PMCSETR_ETH_SEL_MASK     GENMASK(23, 21)
  66 #define SYSCFG_PMCSETR_ETH_SEL_GMII_MII 0
  67 #define SYSCFG_PMCSETR_ETH_SEL_RGMII    BIT(21)
  68 #define SYSCFG_PMCSETR_ETH_SEL_RMII     BIT(23)
  69
  70 /*
  71  * Get a global data pointer
  72  */
  73 DECLARE_GLOBAL_DATA_PTR;
  74
  75 #define USB_LOW_THRESHOLD_UV            200000
  76 #define USB_WARNING_LOW_THRESHOLD_UV    660000
  77 #define USB_START_LOW_THRESHOLD_UV      1230000
  78 #define USB_START_HIGH_THRESHOLD_UV     2150000
  79
  80 int checkboard(void)
  81 {
  82         int ret;
  83         char *mode;
  84         u32 otp;
  85         struct udevice *dev;
  86         const char *fdt_compat;
  87         int fdt_compat_len;
  88
  89         if (IS_ENABLED(CONFIG_STM32MP1_OPTEE))
  90                 mode = "trusted with OP-TEE";
  91         else if (IS_ENABLED(CONFIG_STM32MP1_TRUSTED))
  92                 mode = "trusted";
  93         else
  94                 mode = "basic";
  95
  96         printf("Board: stm32mp1 in %s mode", mode);
  97         fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
  98                                  &fdt_compat_len);
  99         if (fdt_compat && fdt_compat_len)
 100                 printf(" (%s)", fdt_compat);
 101         puts("\n");
 102
 103         ret = uclass_get_device_by_driver(UCLASS_MISC,
 104                                           DM_GET_DRIVER(stm32mp_bsec),
 105                                           &dev);
 106
 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 Rev.%c-%02d\n",
 112                        otp >> 16,
 113                        (otp >> 12) & 0xF,
 114                        ((otp >> 8) & 0xF) - 1 + 'A',
 115                        otp & 0xF);
 116         }
 117
 118         return 0;
 119 }
 120
 121 static void board_key_check(void)
 122 {
 123 #if defined(CONFIG_FASTBOOT) || defined(CONFIG_CMD_STM32PROG)
 124         ofnode node;
 125         struct gpio_desc gpio;
 126         enum forced_boot_mode boot_mode = BOOT_NORMAL;
 127
 128         node = ofnode_path("/config");
 129         if (!ofnode_valid(node)) {
 130                 debug("%s: no /config node?\n", __func__);
 131                 return;
 132         }
 133 #ifdef CONFIG_FASTBOOT
 134         if (gpio_request_by_name_nodev(node, "st,fastboot-gpios", 0,
 135                                        &gpio, GPIOD_IS_IN)) {
 136                 debug("%s: could not find a /config/st,fastboot-gpios\n",
 137                       __func__);
 138         } else {
 139                 if (dm_gpio_get_value(&gpio)) {
 140                         puts("Fastboot key pressed, ");
 141                         boot_mode = BOOT_FASTBOOT;
 142                 }
 143
 144                 dm_gpio_free(NULL, &gpio);
 145         }
 146 #endif
 147 #ifdef CONFIG_CMD_STM32PROG
 148         if (gpio_request_by_name_nodev(node, "st,stm32prog-gpios", 0,
 149                                        &gpio, GPIOD_IS_IN)) {
 150                 debug("%s: could not find a /config/st,stm32prog-gpios\n",
 151                       __func__);
 152         } else {
 153                 if (dm_gpio_get_value(&gpio)) {
 154                         puts("STM32Programmer key pressed, ");
 155                         boot_mode = BOOT_STM32PROG;
 156                 }
 157                 dm_gpio_free(NULL, &gpio);
 158         }
 159 #endif
 160
 161         if (boot_mode != BOOT_NORMAL) {
 162                 puts("entering download mode...\n");
 163                 clrsetbits_le32(TAMP_BOOT_CONTEXT,
 164                                 TAMP_BOOT_FORCED_MASK,
 165                                 boot_mode);
 166         }
 167 #endif
 168 }
 169
 170 #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
 171
 172 /* STMicroelectronics STUSB1600 Type-C controller */
 173 #define STUSB1600_CC_CONNECTION_STATUS          0x0E
 174
 175 /* STUSB1600_CC_CONNECTION_STATUS bitfields */
 176 #define STUSB1600_CC_ATTACH                     BIT(0)
 177
 178 static int stusb1600_init(struct udevice **dev_stusb1600)
 179 {
 180         ofnode node;
 181         struct udevice *dev, *bus;
 182         int ret;
 183         u32 chip_addr;
 184
 185         *dev_stusb1600 = NULL;
 186
 187         /* if node stusb1600 is present, means DK1 or DK2 board */
 188         node = ofnode_by_compatible(ofnode_null(), "st,stusb1600");
 189         if (!ofnode_valid(node))
 190                 return -ENODEV;
 191
 192         ret = ofnode_read_u32(node, "reg", &chip_addr);
 193         if (ret)
 194                 return -EINVAL;
 195
 196         ret = uclass_get_device_by_ofnode(UCLASS_I2C, ofnode_get_parent(node),
 197                                           &bus);
 198         if (ret) {
 199                 printf("bus for stusb1600 not found\n");
 200                 return -ENODEV;
 201         }
 202
 203         ret = dm_i2c_probe(bus, chip_addr, 0, &dev);
 204         if (!ret)
 205                 *dev_stusb1600 = dev;
 206
 207         return ret;
 208 }
 209
 210 static int stusb1600_cable_connected(struct udevice *dev)
 211 {
 212         u8 status;
 213
 214         if (dm_i2c_read(dev, STUSB1600_CC_CONNECTION_STATUS, &status, 1))
 215                 return 0;
 216
 217         return status & STUSB1600_CC_ATTACH;
 218 }
 219
 220 #include <usb/dwc2_udc.h>
 221 int g_dnl_board_usb_cable_connected(void)
 222 {
 223         struct udevice *stusb1600;
 224         struct udevice *dwc2_udc_otg;
 225         int ret;
 226
 227         if (!stusb1600_init(&stusb1600))
 228                 return stusb1600_cable_connected(stusb1600);
 229
 230         ret = uclass_get_device_by_driver(UCLASS_USB_GADGET_GENERIC,
 231                                           DM_GET_DRIVER(dwc2_udc_otg),
 232                                           &dwc2_udc_otg);
 233         if (!ret)
 234                 debug("dwc2_udc_otg init failed\n");
 235
 236         return dwc2_udc_B_session_valid(dwc2_udc_otg);
 237 }
 238
 239 #define STM32MP1_G_DNL_DFU_PRODUCT_NUM 0xdf11
 240 #define STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM 0x0afb
 241
 242 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
 243 {
 244         if (!strcmp(name, "usb_dnl_dfu"))
 245                 put_unaligned(STM32MP1_G_DNL_DFU_PRODUCT_NUM, &dev->idProduct);
 246         else if (!strcmp(name, "usb_dnl_fastboot"))
 247                 put_unaligned(STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM,
 248                               &dev->idProduct);
 249         else
 250                 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM, &dev->idProduct);
 251
 252         return 0;
 253 }
 254
 255 #endif /* CONFIG_USB_GADGET */
 256
 257 #ifdef CONFIG_LED
 258 static int get_led(struct udevice **dev, char *led_string)
 259 {
 260         char *led_name;
 261         int ret;
 262
 263         led_name = fdtdec_get_config_string(gd->fdt_blob, led_string);
 264         if (!led_name) {
 265                 pr_debug("%s: could not find %s config string\n",
 266                          __func__, led_string);
 267                 return -ENOENT;
 268         }
 269         ret = led_get_by_label(led_name, dev);
 270         if (ret) {
 271                 debug("%s: get=%d\n", __func__, ret);
 272                 return ret;
 273         }
 274
 275         return 0;
 276 }
 277
 278 static int setup_led(enum led_state_t cmd)
 279 {
 280         struct udevice *dev;
 281         int ret;
 282
 283         ret = get_led(&dev, "u-boot,boot-led");
 284         if (ret)
 285                 return ret;
 286
 287         ret = led_set_state(dev, cmd);
 288         return ret;
 289 }
 290 #endif
 291
 292 static void __maybe_unused led_error_blink(u32 nb_blink)
 293 {
 294 #ifdef CONFIG_LED
 295         int ret;
 296         struct udevice *led;
 297         u32 i;
 298 #endif
 299
 300         if (!nb_blink)
 301                 return;
 302
 303 #ifdef CONFIG_LED
 304         ret = get_led(&led, "u-boot,error-led");
 305         if (!ret) {
 306                 /* make u-boot,error-led blinking */
 307                 /* if U32_MAX and 125ms interval, for 17.02 years */
 308                 for (i = 0; i < 2 * nb_blink; i++) {
 309                         led_set_state(led, LEDST_TOGGLE);
 310                         mdelay(125);
 311                         WATCHDOG_RESET();
 312                 }
 313         }
 314 #endif
 315
 316         /* infinite: the boot process must be stopped */
 317         if (nb_blink == U32_MAX)
 318                 hang();
 319 }
 320
 321 #ifdef CONFIG_ADC
 322 static int board_check_usb_power(void)
 323 {
 324         struct ofnode_phandle_args adc_args;
 325         struct udevice *adc;
 326         ofnode node;
 327         unsigned int raw;
 328         int max_uV = 0;
 329         int min_uV = USB_START_HIGH_THRESHOLD_UV;
 330         int ret, uV, adc_count;
 331         u32 nb_blink;
 332         u8 i;
 333         node = ofnode_path("/config");
 334         if (!ofnode_valid(node)) {
 335                 debug("%s: no /config node?\n", __func__);
 336                 return -ENOENT;
 337         }
 338
 339         /*
 340          * Retrieve the ADC channels devices and get measurement
 341          * for each of them
 342          */
 343         adc_count = ofnode_count_phandle_with_args(node, "st,adc_usb_pd",
 344                                                    "#io-channel-cells");
 345         if (adc_count < 0) {
 346                 if (adc_count == -ENOENT)
 347                         return 0;
 348
 349                 pr_err("%s: can't find adc channel (%d)\n", __func__,
 350                        adc_count);
 351
 352                 return adc_count;
 353         }
 354
 355         for (i = 0; i < adc_count; i++) {
 356                 if (ofnode_parse_phandle_with_args(node, "st,adc_usb_pd",
 357                                                    "#io-channel-cells", 0, i,
 358                                                    &adc_args)) {
 359                         pr_debug("%s: can't find /config/st,adc_usb_pd\n",
 360                                  __func__);
 361                         return 0;
 362                 }
 363
 364                 ret = uclass_get_device_by_ofnode(UCLASS_ADC, adc_args.node,
 365                                                   &adc);
 366
 367                 if (ret) {
 368                         pr_err("%s: Can't get adc device(%d)\n", __func__,
 369                                ret);
 370                         return ret;
 371                 }
 372
 373                 ret = adc_channel_single_shot(adc->name, adc_args.args[0],
 374                                               &raw);
 375                 if (ret) {
 376                         pr_err("%s: single shot failed for %s[%d]!\n",
 377                                __func__, adc->name, adc_args.args[0]);
 378                         return ret;
 379                 }
 380                 /* Convert to uV */
 381                 if (!adc_raw_to_uV(adc, raw, &uV)) {
 382                         if (uV > max_uV)
 383                                 max_uV = uV;
 384                         if (uV < min_uV)
 385                                 min_uV = uV;
 386                         pr_debug("%s: %s[%02d] = %u, %d uV\n", __func__,
 387                                  adc->name, adc_args.args[0], raw, uV);
 388                 } else {
 389                         pr_err("%s: Can't get uV value for %s[%d]\n",
 390                                __func__, adc->name, adc_args.args[0]);
 391                 }
 392         }
 393
 394         /*
 395          * If highest value is inside 1.23 Volts and 2.10 Volts, that means
 396          * board is plugged on an USB-C 3A power supply and boot process can
 397          * continue.
 398          */
 399         if (max_uV > USB_START_LOW_THRESHOLD_UV &&
 400             max_uV <= USB_START_HIGH_THRESHOLD_UV &&
 401             min_uV <= USB_LOW_THRESHOLD_UV)
 402                 return 0;
 403
 404         pr_err("****************************************************\n");
 405
 406         /*
 407          * If highest and lowest value are either both below
 408          * USB_LOW_THRESHOLD_UV or both above USB_LOW_THRESHOLD_UV, that
 409          * means USB TYPE-C is in unattached mode, this is an issue, make
 410          * u-boot,error-led blinking and stop boot process.
 411          */
 412         if ((max_uV > USB_LOW_THRESHOLD_UV &&
 413              min_uV > USB_LOW_THRESHOLD_UV) ||
 414              (max_uV <= USB_LOW_THRESHOLD_UV &&
 415              min_uV <= USB_LOW_THRESHOLD_UV)) {
 416                 pr_err("* ERROR USB TYPE-C connection in unattached mode   *\n");
 417                 pr_err("* Check that USB TYPE-C cable is correctly plugged *\n");
 418                 /* with 125ms interval, led will blink for 17.02 years ....*/
 419                 nb_blink = U32_MAX;
 420         }
 421
 422         if (max_uV > USB_LOW_THRESHOLD_UV &&
 423             max_uV <= USB_WARNING_LOW_THRESHOLD_UV &&
 424             min_uV <= USB_LOW_THRESHOLD_UV) {
 425                 pr_err("*        WARNING 500mA power supply detected       *\n");
 426                 nb_blink = 2;
 427         }
 428
 429         if (max_uV > USB_WARNING_LOW_THRESHOLD_UV &&
 430             max_uV <= USB_START_LOW_THRESHOLD_UV &&
 431             min_uV <= USB_LOW_THRESHOLD_UV) {
 432                 pr_err("*       WARNING 1.5mA power supply detected        *\n");
 433                 nb_blink = 3;
 434         }
 435
 436         /*
 437          * If highest value is above 2.15 Volts that means that the USB TypeC
 438          * supplies more than 3 Amp, this is not compliant with TypeC specification
 439          */
 440         if (max_uV > USB_START_HIGH_THRESHOLD_UV) {
 441                 pr_err("*      USB TYPE-C charger not compliant with       *\n");
 442                 pr_err("*                   specification                  *\n");
 443                 pr_err("****************************************************\n\n");
 444                 /* with 125ms interval, led will blink for 17.02 years ....*/
 445                 nb_blink = U32_MAX;
 446         } else {
 447                 pr_err("*     Current too low, use a 3A power supply!      *\n");
 448                 pr_err("****************************************************\n\n");
 449         }
 450
 451         led_error_blink(nb_blink);
 452
 453         return 0;
 454 }
 455 #endif /* CONFIG_ADC */
 456
 457 static void sysconf_init(void)
 458 {
 459 #ifndef CONFIG_STM32MP1_TRUSTED
 460         u8 *syscfg;
 461 #ifdef CONFIG_DM_REGULATOR
 462         struct udevice *pwr_dev;
 463         struct udevice *pwr_reg;
 464         struct udevice *dev;
 465         int ret;
 466         u32 otp = 0;
 467 #endif
 468         u32 bootr;
 469
 470         syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
 471
 472         /* interconnect update : select master using the port 1 */
 473         /* LTDC = AXI_M9 */
 474         /* GPU  = AXI_M8 */
 475         /* today information is hardcoded in U-Boot */
 476         writel(BIT(9), syscfg + SYSCFG_ICNR);
 477
 478         /* disable Pull-Down for boot pin connected to VDD */
 479         bootr = readl(syscfg + SYSCFG_BOOTR);
 480         bootr &= ~(SYSCFG_BOOTR_BOOT_MASK << SYSCFG_BOOTR_BOOTPD_SHIFT);
 481         bootr |= (bootr & SYSCFG_BOOTR_BOOT_MASK) << SYSCFG_BOOTR_BOOTPD_SHIFT;
 482         writel(bootr, syscfg + SYSCFG_BOOTR);
 483
 484 #ifdef CONFIG_DM_REGULATOR
 485         /* High Speed Low Voltage Pad mode Enable for SPI, SDMMC, ETH, QSPI
 486          * and TRACE. Needed above ~50MHz and conditioned by AFMUX selection.
 487          * The customer will have to disable this for low frequencies
 488          * or if AFMUX is selected but the function not used, typically for
 489          * TRACE. Otherwise, impact on power consumption.
 490          *
 491          * WARNING:
 492          *   enabling High Speed mode while VDD>2.7V
 493          *   with the OTP product_below_2v5 (OTP 18, BIT 13)
 494          *   erroneously set to 1 can damage the IC!
 495          *   => U-Boot set the register only if VDD < 2.7V (in DT)
 496          *      but this value need to be consistent with board design
 497          */
 498         ret = uclass_get_device_by_driver(UCLASS_PMIC,
 499                                           DM_GET_DRIVER(stm32mp_pwr_pmic),
 500                                           &pwr_dev);
 501         if (!ret) {
 502                 ret = uclass_get_device_by_driver(UCLASS_MISC,
 503                                                   DM_GET_DRIVER(stm32mp_bsec),
 504                                                   &dev);
 505                 if (ret) {
 506                         pr_err("Can't find stm32mp_bsec driver\n");
 507                         return;
 508                 }
 509
 510                 ret = misc_read(dev, STM32_BSEC_SHADOW(18), &otp, 4);
 511                 if (ret > 0)
 512                         otp = otp & BIT(13);
 513
 514                 /* get VDD = vdd-supply */
 515                 ret = device_get_supply_regulator(pwr_dev, "vdd-supply",
 516                                                   &pwr_reg);
 517
 518                 /* check if VDD is Low Voltage */
 519                 if (!ret) {
 520                         if (regulator_get_value(pwr_reg) < 2700000) {
 521                                 writel(SYSCFG_IOCTRLSETR_HSLVEN_TRACE |
 522                                        SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI |
 523                                        SYSCFG_IOCTRLSETR_HSLVEN_ETH |
 524                                        SYSCFG_IOCTRLSETR_HSLVEN_SDMMC |
 525                                        SYSCFG_IOCTRLSETR_HSLVEN_SPI,
 526                                        syscfg + SYSCFG_IOCTRLSETR);
 527
 528                                 if (!otp)
 529                                         pr_err("product_below_2v5=0: HSLVEN protected by HW\n");
 530                         } else {
 531                                 if (otp)
 532                                         pr_err("product_below_2v5=1: HSLVEN update is destructive, no update as VDD>2.7V\n");
 533                         }
 534                 } else {
 535                         debug("VDD unknown");
 536                 }
 537         }
 538 #endif
 539
 540         /* activate automatic I/O compensation
 541          * warning: need to ensure CSI enabled and ready in clock driver
 542          */
 543         writel(SYSCFG_CMPENSETR_MPU_EN, syscfg + SYSCFG_CMPENSETR);
 544
 545         while (!(readl(syscfg + SYSCFG_CMPCR) & SYSCFG_CMPCR_READY))
 546                 ;
 547         clrbits_le32(syscfg + SYSCFG_CMPCR, SYSCFG_CMPCR_SW_CTRL);
 548 #endif
 549 }
 550
 551 #ifdef CONFIG_DM_REGULATOR
 552 /* Fix to make I2C1 usable on DK2 for touchscreen usage in kernel */
 553 static int dk2_i2c1_fix(void)
 554 {
 555         ofnode node;
 556         struct gpio_desc hdmi, audio;
 557         int ret = 0;
 558
 559         node = ofnode_path("/soc/i2c@40012000/hdmi-transmitter@39");
 560         if (!ofnode_valid(node)) {
 561                 pr_debug("%s: no hdmi-transmitter@39 ?\n", __func__);
 562                 return -ENOENT;
 563         }
 564
 565         if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
 566                                        &hdmi, GPIOD_IS_OUT)) {
 567                 pr_debug("%s: could not find reset-gpios\n",
 568                          __func__);
 569                 return -ENOENT;
 570         }
 571
 572         node = ofnode_path("/soc/i2c@40012000/cs42l51@4a");
 573         if (!ofnode_valid(node)) {
 574                 pr_debug("%s: no cs42l51@4a ?\n", __func__);
 575                 return -ENOENT;
 576         }
 577
 578         if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
 579                                        &audio, GPIOD_IS_OUT)) {
 580                 pr_debug("%s: could not find reset-gpios\n",
 581                          __func__);
 582                 return -ENOENT;
 583         }
 584
 585         /* before power up, insure that HDMI and AUDIO IC is under reset */
 586         ret = dm_gpio_set_value(&hdmi, 1);
 587         if (ret) {
 588                 pr_err("%s: can't set_value for hdmi_nrst gpio", __func__);
 589                 goto error;
 590         }
 591         ret = dm_gpio_set_value(&audio, 1);
 592         if (ret) {
 593                 pr_err("%s: can't set_value for audio_nrst gpio", __func__);
 594                 goto error;
 595         }
 596
 597         /* power-up audio IC */
 598         regulator_autoset_by_name("v1v8_audio", NULL);
 599
 600         /* power-up HDMI IC */
 601         regulator_autoset_by_name("v1v2_hdmi", NULL);
 602         regulator_autoset_by_name("v3v3_hdmi", NULL);
 603
 604 error:
 605         return ret;
 606 }
 607
 608 static bool board_is_dk2(void)
 609 {
 610         if (CONFIG_IS_ENABLED(TARGET_STM32MP157C_DK2) &&
 611             of_machine_is_compatible("st,stm32mp157c-dk2"))
 612                 return true;
 613
 614         return false;
 615 }
 616 #endif
 617
 618 /* board dependent setup after realloc */
 619 int board_init(void)
 620 {
 621         struct udevice *dev;
 622
 623         /* address of boot parameters */
 624         gd->bd->bi_boot_params = STM32_DDR_BASE + 0x100;
 625
 626         /* probe all PINCTRL for hog */
 627         for (uclass_first_device(UCLASS_PINCTRL, &dev);
 628              dev;
 629              uclass_next_device(&dev)) {
 630                 pr_debug("probe pincontrol = %s\n", dev->name);
 631         }
 632
 633         board_key_check();
 634
 635 #ifdef CONFIG_DM_REGULATOR
 636         if (board_is_dk2())
 637                 dk2_i2c1_fix();
 638
 639         regulators_enable_boot_on(_DEBUG);
 640 #endif
 641
 642         sysconf_init();
 643
 644         if (CONFIG_IS_ENABLED(CONFIG_LED))
 645                 led_default_state();
 646
 647         return 0;
 648 }
 649
 650 int board_late_init(void)
 651 {
 652         char *boot_device;
 653 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 654         const void *fdt_compat;
 655         int fdt_compat_len;
 656         int ret;
 657         u32 otp;
 658         struct udevice *dev;
 659         char buf[10];
 660
 661         fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
 662                                  &fdt_compat_len);
 663         if (fdt_compat && fdt_compat_len) {
 664                 if (strncmp(fdt_compat, "st,", 3) != 0)
 665                         env_set("board_name", fdt_compat);
 666                 else
 667                         env_set("board_name", fdt_compat + 3);
 668         }
 669         ret = uclass_get_device_by_driver(UCLASS_MISC,
 670                                           DM_GET_DRIVER(stm32mp_bsec),
 671                                           &dev);
 672
 673         if (!ret)
 674                 ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
 675                                 &otp, sizeof(otp));
 676         if (!ret && otp) {
 677                 snprintf(buf, sizeof(buf), "0x%04x", otp >> 16);
 678                 env_set("board_id", buf);
 679
 680                 snprintf(buf, sizeof(buf), "0x%04x",
 681                          ((otp >> 8) & 0xF) - 1 + 0xA);
 682                 env_set("board_rev", buf);
 683         }
 684 #endif
 685
 686 #ifdef CONFIG_ADC
 687         /* for DK1/DK2 boards */
 688         board_check_usb_power();
 689 #endif /* CONFIG_ADC */
 690
 691         /* Check the boot-source to disable bootdelay */
 692         boot_device = env_get("boot_device");
 693         if (!strcmp(boot_device, "serial") || !strcmp(boot_device, "usb"))
 694                 env_set("bootdelay", "0");
 695
 696         return 0;
 697 }
 698
 699 void board_quiesce_devices(void)
 700 {
 701 #ifdef CONFIG_LED
 702         setup_led(LEDST_OFF);
 703 #endif
 704 }
 705
 706 /* eth init function : weak called in eqos driver */
 707 int board_interface_eth_init(struct udevice *dev,
 708                              phy_interface_t interface_type)
 709 {
 710         u8 *syscfg;
 711         u32 value;
 712         bool eth_clk_sel_reg = false;
 713         bool eth_ref_clk_sel_reg = false;
 714
 715         /* Gigabit Ethernet 125MHz clock selection. */
 716         eth_clk_sel_reg = dev_read_bool(dev, "st,eth_clk_sel");
 717
 718         /* Ethernet 50Mhz RMII clock selection */
 719         eth_ref_clk_sel_reg =
 720                 dev_read_bool(dev, "st,eth_ref_clk_sel");
 721
 722         syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
 723
 724         if (!syscfg)
 725                 return -ENODEV;
 726
 727         switch (interface_type) {
 728         case PHY_INTERFACE_MODE_MII:
 729                 value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
 730                         SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
 731                 debug("%s: PHY_INTERFACE_MODE_MII\n", __func__);
 732                 break;
 733         case PHY_INTERFACE_MODE_GMII:
 734                 if (eth_clk_sel_reg)
 735                         value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
 736                                 SYSCFG_PMCSETR_ETH_CLK_SEL;
 737                 else
 738                         value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII;
 739                 debug("%s: PHY_INTERFACE_MODE_GMII\n", __func__);
 740                 break;
 741         case PHY_INTERFACE_MODE_RMII:
 742                 if (eth_ref_clk_sel_reg)
 743                         value = SYSCFG_PMCSETR_ETH_SEL_RMII |
 744                                 SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
 745                 else
 746                         value = SYSCFG_PMCSETR_ETH_SEL_RMII;
 747                 debug("%s: PHY_INTERFACE_MODE_RMII\n", __func__);
 748                 break;
 749         case PHY_INTERFACE_MODE_RGMII:
 750         case PHY_INTERFACE_MODE_RGMII_ID:
 751         case PHY_INTERFACE_MODE_RGMII_RXID:
 752         case PHY_INTERFACE_MODE_RGMII_TXID:
 753                 if (eth_clk_sel_reg)
 754                         value = SYSCFG_PMCSETR_ETH_SEL_RGMII |
 755                                 SYSCFG_PMCSETR_ETH_CLK_SEL;
 756                 else
 757                         value = SYSCFG_PMCSETR_ETH_SEL_RGMII;
 758                 debug("%s: PHY_INTERFACE_MODE_RGMII\n", __func__);
 759                 break;
 760         default:
 761                 debug("%s: Do not manage %d interface\n",
 762                       __func__, interface_type);
 763                 /* Do not manage others interfaces */
 764                 return -EINVAL;
 765         }
 766
 767         /* clear and set ETH configuration bits */
 768         writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII |
 769                SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL,
 770                syscfg + SYSCFG_PMCCLRR);
 771         writel(value, syscfg + SYSCFG_PMCSETR);
 772
 773         return 0;
 774 }
 775
 776 enum env_location env_get_location(enum env_operation op, int prio)
 777 {
 778         u32 bootmode = get_bootmode();
 779
 780         if (prio)
 781                 return ENVL_UNKNOWN;
 782
 783         switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
 784 #ifdef CONFIG_ENV_IS_IN_EXT4
 785         case BOOT_FLASH_SD:
 786         case BOOT_FLASH_EMMC:
 787                 return ENVL_EXT4;
 788 #endif
 789 #ifdef CONFIG_ENV_IS_IN_UBI
 790         case BOOT_FLASH_NAND:
 791                 return ENVL_UBI;
 792 #endif
 793 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH
 794         case BOOT_FLASH_NOR:
 795                 return ENVL_SPI_FLASH;
 796 #endif
 797         default:
 798                 return ENVL_NOWHERE;
 799         }
 800 }
 801
 802 #if defined(CONFIG_ENV_IS_IN_EXT4)
 803 const char *env_ext4_get_intf(void)
 804 {
 805         u32 bootmode = get_bootmode();
 806
 807         switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
 808         case BOOT_FLASH_SD:
 809         case BOOT_FLASH_EMMC:
 810                 return "mmc";
 811         default:
 812                 return "";
 813         }
 814 }
 815
 816 const char *env_ext4_get_dev_part(void)
 817 {
 818         static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"};
 819         u32 bootmode = get_bootmode();
 820
 821         return dev_part[(bootmode & TAMP_BOOT_INSTANCE_MASK) - 1];
 822 }
 823 #endif
 824
 825 #ifdef CONFIG_SYS_MTDPARTS_RUNTIME
 826
 827 #define MTDPARTS_LEN            256
 828 #define MTDIDS_LEN              128
 829
 830 /**
 831  * The mtdparts_nand0 and mtdparts_nor0 variable tends to be long.
 832  * If we need to access it before the env is relocated, then we need
 833  * to use our own stack buffer. gd->env_buf will be too small.
 834  *
 835  * @param buf temporary buffer pointer MTDPARTS_LEN long
 836  * @return mtdparts variable string, NULL if not found
 837  */
 838 static const char *env_get_mtdparts(const char *str, char *buf)
 839 {
 840         if (gd->flags & GD_FLG_ENV_READY)
 841                 return env_get(str);
 842         if (env_get_f(str, buf, MTDPARTS_LEN) != -1)
 843                 return buf;
 844
 845         return NULL;
 846 }
 847
 848 /**
 849  * update the variables "mtdids" and "mtdparts" with content of mtdparts_<dev>
 850  */
 851 static void board_get_mtdparts(const char *dev,
 852                                char *mtdids,
 853                                char *mtdparts)
 854 {
 855         char env_name[32] = "mtdparts_";
 856         char tmp_mtdparts[MTDPARTS_LEN];
 857         const char *tmp;
 858
 859         /* name of env variable to read = mtdparts_<dev> */
 860         strcat(env_name, dev);
 861         tmp = env_get_mtdparts(env_name, tmp_mtdparts);
 862         if (tmp) {
 863                 /* mtdids: "<dev>=<dev>, ...." */
 864                 if (mtdids[0] != '\0')
 865                         strcat(mtdids, ",");
 866                 strcat(mtdids, dev);
 867                 strcat(mtdids, "=");
 868                 strcat(mtdids, dev);
 869
 870                 /* mtdparts: "mtdparts=<dev>:<mtdparts_<dev>>;..." */
 871                 if (mtdparts[0] != '\0')
 872                         strncat(mtdparts, ";", MTDPARTS_LEN);
 873                 else
 874                         strcat(mtdparts, "mtdparts=");
 875                 strncat(mtdparts, dev, MTDPARTS_LEN);
 876                 strncat(mtdparts, ":", MTDPARTS_LEN);
 877                 strncat(mtdparts, tmp, MTDPARTS_LEN);
 878         }
 879 }
 880
 881 void board_mtdparts_default(const char **mtdids, const char **mtdparts)
 882 {
 883         struct mtd_info *mtd;
 884         struct udevice *dev;
 885         static char parts[3 * MTDPARTS_LEN + 1];
 886         static char ids[MTDIDS_LEN + 1];
 887         static bool mtd_initialized;
 888
 889         if (mtd_initialized) {
 890                 *mtdids = ids;
 891                 *mtdparts = parts;
 892                 return;
 893         }
 894
 895         memset(parts, 0, sizeof(parts));
 896         memset(ids, 0, sizeof(ids));
 897
 898         /* probe all MTD devices */
 899         for (uclass_first_device(UCLASS_MTD, &dev);
 900              dev;
 901              uclass_next_device(&dev)) {
 902                 pr_debug("mtd device = %s\n", dev->name);
 903         }
 904
 905         mtd = get_mtd_device_nm("nand0");
 906         if (!IS_ERR_OR_NULL(mtd)) {
 907                 board_get_mtdparts("nand0", ids, parts);
 908                 put_mtd_device(mtd);
 909         }
 910
 911         mtd = get_mtd_device_nm("spi-nand0");
 912         if (!IS_ERR_OR_NULL(mtd)) {
 913                 board_get_mtdparts("spi-nand0", ids, parts);
 914                 put_mtd_device(mtd);
 915         }
 916
 917         if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev))
 918                 board_get_mtdparts("nor0", ids, parts);
 919
 920         mtd_initialized = true;
 921         *mtdids = ids;
 922         *mtdparts = parts;
 923         debug("%s:mtdids=%s & mtdparts=%s\n", __func__, ids, parts);
 924 }
 925 #endif
 926
 927 #if defined(CONFIG_OF_BOARD_SETUP)
 928 int ft_board_setup(void *blob, bd_t *bd)
 929 {
 930 #ifdef CONFIG_FDT_FIXUP_PARTITIONS
 931         struct node_info nodes[] = {
 932                 { "st,stm32f469-qspi",          MTD_DEV_TYPE_NOR,  },
 933                 { "st,stm32mp15-fmc2",          MTD_DEV_TYPE_NAND, },
 934         };
 935         fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
 936 #endif
 937
 938         return 0;
 939 }
 940 #endif
 941
 942 #ifdef CONFIG_SET_DFU_ALT_INFO
 943 #define DFU_ALT_BUF_LEN SZ_1K
 944
 945 static void board_get_alt_info(const char *dev, char *buff)
 946 {
 947         char var_name[32] = "dfu_alt_info_";
 948         int ret;
 949
 950         ALLOC_CACHE_ALIGN_BUFFER(char, tmp_alt, DFU_ALT_BUF_LEN);
 951
 952         /* name of env variable to read = dfu_alt_info_<dev> */
 953         strcat(var_name, dev);
 954         ret = env_get_f(var_name, tmp_alt, DFU_ALT_BUF_LEN);
 955         if (ret) {
 956                 if (buff[0] != '\0')
 957                         strcat(buff, "&");
 958                 strncat(buff, tmp_alt, DFU_ALT_BUF_LEN);
 959         }
 960 }
 961
 962 void set_dfu_alt_info(char *interface, char *devstr)
 963 {
 964         struct udevice *dev;
 965         struct mtd_info *mtd;
 966
 967         ALLOC_CACHE_ALIGN_BUFFER(char, buf, DFU_ALT_BUF_LEN);
 968
 969         if (env_get("dfu_alt_info"))
 970                 return;
 971
 972         memset(buf, 0, sizeof(buf));
 973
 974         /* probe all MTD devices */
 975         mtd_probe_devices();
 976
 977         board_get_alt_info("ram", buf);
 978
 979         if (!uclass_get_device(UCLASS_MMC, 0, &dev))
 980                 board_get_alt_info("mmc0", buf);
 981
 982         if (!uclass_get_device(UCLASS_MMC, 1, &dev))
 983                 board_get_alt_info("mmc1", buf);
 984
 985         if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev))
 986                 board_get_alt_info("nor0", buf);
 987
 988         mtd = get_mtd_device_nm("nand0");
 989         if (!IS_ERR_OR_NULL(mtd))
 990                 board_get_alt_info("nand0", buf);
 991
 992         mtd = get_mtd_device_nm("spi-nand0");
 993         if (!IS_ERR_OR_NULL(mtd))
 994                 board_get_alt_info("spi-nand0", buf);
 995
 996 #ifdef CONFIG_DFU_VIRT
 997         strncat(buf, "&virt 0=OTP", DFU_ALT_BUF_LEN);
 998
 999         if (IS_ENABLED(CONFIG_PMIC_STPMIC1))
1000                 strncat(buf, "&virt 1=PMIC", DFU_ALT_BUF_LEN);
1001 #endif
1002
1003         env_set("dfu_alt_info", buf);
1004         puts("DFU alt info setting: done\n");
1005 }
1006
1007 #if CONFIG_IS_ENABLED(DFU_VIRT)
1008 #include <dfu.h>
1009 #include <power/stpmic1.h>
1010
1011 int dfu_otp_read(u64 offset, u8 *buffer, long *size)
1012 {
1013         struct udevice *dev;
1014         int ret;
1015
1016         ret = uclass_get_device_by_driver(UCLASS_MISC,
1017                                           DM_GET_DRIVER(stm32mp_bsec),
1018                                           &dev);
1019         if (ret)
1020                 return ret;
1021
1022         ret = misc_read(dev, offset + STM32_BSEC_OTP_OFFSET, buffer, *size);
1023         if (ret >= 0) {
1024                 *size = ret;
1025                 ret = 0;
1026         }
1027
1028         return 0;
1029 }
1030
1031 int dfu_pmic_read(u64 offset, u8 *buffer, long *size)
1032 {
1033         int ret;
1034 #ifdef CONFIG_PMIC_STPMIC1
1035         struct udevice *dev;
1036
1037         ret = uclass_get_device_by_driver(UCLASS_MISC,
1038                                           DM_GET_DRIVER(stpmic1_nvm),
1039                                           &dev);
1040         if (ret)
1041                 return ret;
1042
1043         ret = misc_read(dev, 0xF8 + offset, buffer, *size);
1044         if (ret >= 0) {
1045                 *size = ret;
1046                 ret = 0;
1047         }
1048         if (ret == -EACCES) {
1049                 *size = 0;
1050                 ret = 0;
1051         }
1052 #else
1053         pr_err("PMIC update not supported");
1054         ret = -EOPNOTSUPP;
1055 #endif
1056
1057         return ret;
1058 }
1059
1060 int dfu_read_medium_virt(struct dfu_entity *dfu, u64 offset,
1061                          void *buf, long *len)
1062 {
1063         switch (dfu->data.virt.dev_num) {
1064         case 0x0:
1065                 return dfu_otp_read(offset, buf, len);
1066         case 0x1:
1067                 return dfu_pmic_read(offset, buf, len);
1068         }
1069         *len = 0;
1070         return 0;
1071 }
1072
1073 int __weak dfu_get_medium_size_virt(struct dfu_entity *dfu, u64 *size)
1074 {
1075         *size = SZ_1K;
1076
1077         return 0;
1078 }
1079
1080 #endif
1081
1082 #endif
1083
1084 static void board_copro_image_process(ulong fw_image, size_t fw_size)
1085 {
1086         int ret, id = 0; /* Copro id fixed to 0 as only one coproc on mp1 */
1087
1088         if (!rproc_is_initialized())
1089                 if (rproc_init()) {
1090                         printf("Remote Processor %d initialization failed\n",
1091                                id);
1092                         return;
1093                 }
1094
1095         ret = rproc_load(id, fw_image, fw_size);
1096         printf("Load Remote Processor %d with data@addr=0x%08lx %u bytes:%s\n",
1097                id, fw_image, fw_size, ret ? " Failed!" : " Success!");
1098
1099         if (!ret)
1100                 rproc_start(id);
1101 }
1102
1103 U_BOOT_FIT_LOADABLE_HANDLER(IH_TYPE_COPRO, board_copro_image_process);