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- // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
- /*
- * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
- */
- #include <common.h>
- #include <adc.h>
- #include <bootm.h>
- #include <clk.h>
- #include <config.h>
- #include <dfu.h>
- #include <dm.h>
- #include <env.h>
- #include <env_internal.h>
- #include <g_dnl.h>
- #include <generic-phy.h>
- #include <hang.h>
- #include <i2c.h>
- #include <init.h>
- #include <led.h>
- #include <malloc.h>
- #include <memalign.h>
- #include <misc.h>
- #include <mtd.h>
- #include <mtd_node.h>
- #include <netdev.h>
- #include <phy.h>
- #include <remoteproc.h>
- #include <reset.h>
- #include <syscon.h>
- #include <usb.h>
- #include <watchdog.h>
- #include <asm/io.h>
- #include <asm/gpio.h>
- #include <asm/arch/stm32.h>
- #include <asm/arch/sys_proto.h>
- #include <jffs2/load_kernel.h>
- #include <linux/err.h>
- #include <power/regulator.h>
- #include <usb/dwc2_udc.h>
- /* SYSCFG registers */
- #define SYSCFG_BOOTR 0x00
- #define SYSCFG_PMCSETR 0x04
- #define SYSCFG_IOCTRLSETR 0x18
- #define SYSCFG_ICNR 0x1C
- #define SYSCFG_CMPCR 0x20
- #define SYSCFG_CMPENSETR 0x24
- #define SYSCFG_PMCCLRR 0x44
- #define SYSCFG_BOOTR_BOOT_MASK GENMASK(2, 0)
- #define SYSCFG_BOOTR_BOOTPD_SHIFT 4
- #define SYSCFG_IOCTRLSETR_HSLVEN_TRACE BIT(0)
- #define SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI BIT(1)
- #define SYSCFG_IOCTRLSETR_HSLVEN_ETH BIT(2)
- #define SYSCFG_IOCTRLSETR_HSLVEN_SDMMC BIT(3)
- #define SYSCFG_IOCTRLSETR_HSLVEN_SPI BIT(4)
- #define SYSCFG_CMPCR_SW_CTRL BIT(1)
- #define SYSCFG_CMPCR_READY BIT(8)
- #define SYSCFG_CMPENSETR_MPU_EN BIT(0)
- #define SYSCFG_PMCSETR_ETH_CLK_SEL BIT(16)
- #define SYSCFG_PMCSETR_ETH_REF_CLK_SEL BIT(17)
- #define SYSCFG_PMCSETR_ETH_SELMII BIT(20)
- #define SYSCFG_PMCSETR_ETH_SEL_MASK GENMASK(23, 21)
- #define SYSCFG_PMCSETR_ETH_SEL_GMII_MII 0
- #define SYSCFG_PMCSETR_ETH_SEL_RGMII BIT(21)
- #define SYSCFG_PMCSETR_ETH_SEL_RMII BIT(23)
- /*
- * Get a global data pointer
- */
- DECLARE_GLOBAL_DATA_PTR;
- #define USB_LOW_THRESHOLD_UV 200000
- #define USB_WARNING_LOW_THRESHOLD_UV 660000
- #define USB_START_LOW_THRESHOLD_UV 1230000
- #define USB_START_HIGH_THRESHOLD_UV 2150000
- int checkboard(void)
- {
- int ret;
- char *mode;
- u32 otp;
- struct udevice *dev;
- const char *fdt_compat;
- int fdt_compat_len;
- if (IS_ENABLED(CONFIG_STM32MP1_OPTEE))
- mode = "trusted with OP-TEE";
- else if (IS_ENABLED(TFABOOT))
- mode = "trusted";
- else
- mode = "basic";
- printf("Board: stm32mp1 in %s mode", mode);
- fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
- &fdt_compat_len);
- if (fdt_compat && fdt_compat_len)
- printf(" (%s)", fdt_compat);
- puts("\n");
- /* display the STMicroelectronics board identification */
- if (CONFIG_IS_ENABLED(CMD_STBOARD)) {
- ret = uclass_get_device_by_driver(UCLASS_MISC,
- DM_GET_DRIVER(stm32mp_bsec),
- &dev);
- if (!ret)
- ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
- &otp, sizeof(otp));
- if (ret > 0 && otp)
- printf("Board: MB%04x Var%d.%d Rev.%c-%02d\n",
- otp >> 16,
- (otp >> 12) & 0xF,
- (otp >> 4) & 0xF,
- ((otp >> 8) & 0xF) - 1 + 'A',
- otp & 0xF);
- }
- return 0;
- }
- static void board_key_check(void)
- {
- #if defined(CONFIG_FASTBOOT) || defined(CONFIG_CMD_STM32PROG)
- ofnode node;
- struct gpio_desc gpio;
- enum forced_boot_mode boot_mode = BOOT_NORMAL;
- node = ofnode_path("/config");
- if (!ofnode_valid(node)) {
- debug("%s: no /config node?\n", __func__);
- return;
- }
- #ifdef CONFIG_FASTBOOT
- if (gpio_request_by_name_nodev(node, "st,fastboot-gpios", 0,
- &gpio, GPIOD_IS_IN)) {
- debug("%s: could not find a /config/st,fastboot-gpios\n",
- __func__);
- } else {
- if (dm_gpio_get_value(&gpio)) {
- puts("Fastboot key pressed, ");
- boot_mode = BOOT_FASTBOOT;
- }
- dm_gpio_free(NULL, &gpio);
- }
- #endif
- #ifdef CONFIG_CMD_STM32PROG
- if (gpio_request_by_name_nodev(node, "st,stm32prog-gpios", 0,
- &gpio, GPIOD_IS_IN)) {
- debug("%s: could not find a /config/st,stm32prog-gpios\n",
- __func__);
- } else {
- if (dm_gpio_get_value(&gpio)) {
- puts("STM32Programmer key pressed, ");
- boot_mode = BOOT_STM32PROG;
- }
- dm_gpio_free(NULL, &gpio);
- }
- #endif
- if (boot_mode != BOOT_NORMAL) {
- puts("entering download mode...\n");
- clrsetbits_le32(TAMP_BOOT_CONTEXT,
- TAMP_BOOT_FORCED_MASK,
- boot_mode);
- }
- #endif
- }
- #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
- /* STMicroelectronics STUSB1600 Type-C controller */
- #define STUSB1600_CC_CONNECTION_STATUS 0x0E
- /* STUSB1600_CC_CONNECTION_STATUS bitfields */
- #define STUSB1600_CC_ATTACH BIT(0)
- static int stusb1600_init(struct udevice **dev_stusb1600)
- {
- ofnode node;
- struct udevice *dev, *bus;
- int ret;
- u32 chip_addr;
- *dev_stusb1600 = NULL;
- /* if node stusb1600 is present, means DK1 or DK2 board */
- node = ofnode_by_compatible(ofnode_null(), "st,stusb1600");
- if (!ofnode_valid(node))
- return -ENODEV;
- ret = ofnode_read_u32(node, "reg", &chip_addr);
- if (ret)
- return -EINVAL;
- ret = uclass_get_device_by_ofnode(UCLASS_I2C, ofnode_get_parent(node),
- &bus);
- if (ret) {
- printf("bus for stusb1600 not found\n");
- return -ENODEV;
- }
- ret = dm_i2c_probe(bus, chip_addr, 0, &dev);
- if (!ret)
- *dev_stusb1600 = dev;
- return ret;
- }
- static int stusb1600_cable_connected(struct udevice *dev)
- {
- u8 status;
- if (dm_i2c_read(dev, STUSB1600_CC_CONNECTION_STATUS, &status, 1))
- return 0;
- return status & STUSB1600_CC_ATTACH;
- }
- #include <usb/dwc2_udc.h>
- int g_dnl_board_usb_cable_connected(void)
- {
- struct udevice *stusb1600;
- struct udevice *dwc2_udc_otg;
- int ret;
- if (!stusb1600_init(&stusb1600))
- return stusb1600_cable_connected(stusb1600);
- ret = uclass_get_device_by_driver(UCLASS_USB_GADGET_GENERIC,
- DM_GET_DRIVER(dwc2_udc_otg),
- &dwc2_udc_otg);
- if (!ret)
- debug("dwc2_udc_otg init failed\n");
- return dwc2_udc_B_session_valid(dwc2_udc_otg);
- }
- #define STM32MP1_G_DNL_DFU_PRODUCT_NUM 0xdf11
- #define STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM 0x0afb
- int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
- {
- if (!strcmp(name, "usb_dnl_dfu"))
- put_unaligned(STM32MP1_G_DNL_DFU_PRODUCT_NUM, &dev->idProduct);
- else if (!strcmp(name, "usb_dnl_fastboot"))
- put_unaligned(STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM,
- &dev->idProduct);
- else
- put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM, &dev->idProduct);
- return 0;
- }
- #endif /* CONFIG_USB_GADGET */
- #ifdef CONFIG_LED
- static int get_led(struct udevice **dev, char *led_string)
- {
- char *led_name;
- int ret;
- led_name = fdtdec_get_config_string(gd->fdt_blob, led_string);
- if (!led_name) {
- pr_debug("%s: could not find %s config string\n",
- __func__, led_string);
- return -ENOENT;
- }
- ret = led_get_by_label(led_name, dev);
- if (ret) {
- debug("%s: get=%d\n", __func__, ret);
- return ret;
- }
- return 0;
- }
- static int setup_led(enum led_state_t cmd)
- {
- struct udevice *dev;
- int ret;
- ret = get_led(&dev, "u-boot,boot-led");
- if (ret)
- return ret;
- ret = led_set_state(dev, cmd);
- return ret;
- }
- #endif
- static void __maybe_unused led_error_blink(u32 nb_blink)
- {
- #ifdef CONFIG_LED
- int ret;
- struct udevice *led;
- u32 i;
- #endif
- if (!nb_blink)
- return;
- #ifdef CONFIG_LED
- ret = get_led(&led, "u-boot,error-led");
- if (!ret) {
- /* make u-boot,error-led blinking */
- /* if U32_MAX and 125ms interval, for 17.02 years */
- for (i = 0; i < 2 * nb_blink; i++) {
- led_set_state(led, LEDST_TOGGLE);
- mdelay(125);
- WATCHDOG_RESET();
- }
- }
- #endif
- /* infinite: the boot process must be stopped */
- if (nb_blink == U32_MAX)
- hang();
- }
- #ifdef CONFIG_ADC
- static int board_check_usb_power(void)
- {
- struct ofnode_phandle_args adc_args;
- struct udevice *adc;
- ofnode node;
- unsigned int raw;
- int max_uV = 0;
- int min_uV = USB_START_HIGH_THRESHOLD_UV;
- int ret, uV, adc_count;
- u32 nb_blink;
- u8 i;
- node = ofnode_path("/config");
- if (!ofnode_valid(node)) {
- debug("%s: no /config node?\n", __func__);
- return -ENOENT;
- }
- /*
- * Retrieve the ADC channels devices and get measurement
- * for each of them
- */
- adc_count = ofnode_count_phandle_with_args(node, "st,adc_usb_pd",
- "#io-channel-cells");
- if (adc_count < 0) {
- if (adc_count == -ENOENT)
- return 0;
- pr_err("%s: can't find adc channel (%d)\n", __func__,
- adc_count);
- return adc_count;
- }
- for (i = 0; i < adc_count; i++) {
- if (ofnode_parse_phandle_with_args(node, "st,adc_usb_pd",
- "#io-channel-cells", 0, i,
- &adc_args)) {
- pr_debug("%s: can't find /config/st,adc_usb_pd\n",
- __func__);
- return 0;
- }
- ret = uclass_get_device_by_ofnode(UCLASS_ADC, adc_args.node,
- &adc);
- if (ret) {
- pr_err("%s: Can't get adc device(%d)\n", __func__,
- ret);
- return ret;
- }
- ret = adc_channel_single_shot(adc->name, adc_args.args[0],
- &raw);
- if (ret) {
- pr_err("%s: single shot failed for %s[%d]!\n",
- __func__, adc->name, adc_args.args[0]);
- return ret;
- }
- /* Convert to uV */
- if (!adc_raw_to_uV(adc, raw, &uV)) {
- if (uV > max_uV)
- max_uV = uV;
- if (uV < min_uV)
- min_uV = uV;
- pr_debug("%s: %s[%02d] = %u, %d uV\n", __func__,
- adc->name, adc_args.args[0], raw, uV);
- } else {
- pr_err("%s: Can't get uV value for %s[%d]\n",
- __func__, adc->name, adc_args.args[0]);
- }
- }
- /*
- * If highest value is inside 1.23 Volts and 2.10 Volts, that means
- * board is plugged on an USB-C 3A power supply and boot process can
- * continue.
- */
- if (max_uV > USB_START_LOW_THRESHOLD_UV &&
- max_uV <= USB_START_HIGH_THRESHOLD_UV &&
- min_uV <= USB_LOW_THRESHOLD_UV)
- return 0;
- pr_err("****************************************************\n");
- /*
- * If highest and lowest value are either both below
- * USB_LOW_THRESHOLD_UV or both above USB_LOW_THRESHOLD_UV, that
- * means USB TYPE-C is in unattached mode, this is an issue, make
- * u-boot,error-led blinking and stop boot process.
- */
- if ((max_uV > USB_LOW_THRESHOLD_UV &&
- min_uV > USB_LOW_THRESHOLD_UV) ||
- (max_uV <= USB_LOW_THRESHOLD_UV &&
- min_uV <= USB_LOW_THRESHOLD_UV)) {
- pr_err("* ERROR USB TYPE-C connection in unattached mode *\n");
- pr_err("* Check that USB TYPE-C cable is correctly plugged *\n");
- /* with 125ms interval, led will blink for 17.02 years ....*/
- nb_blink = U32_MAX;
- }
- if (max_uV > USB_LOW_THRESHOLD_UV &&
- max_uV <= USB_WARNING_LOW_THRESHOLD_UV &&
- min_uV <= USB_LOW_THRESHOLD_UV) {
- pr_err("* WARNING 500mA power supply detected *\n");
- nb_blink = 2;
- }
- if (max_uV > USB_WARNING_LOW_THRESHOLD_UV &&
- max_uV <= USB_START_LOW_THRESHOLD_UV &&
- min_uV <= USB_LOW_THRESHOLD_UV) {
- pr_err("* WARNING 1.5mA power supply detected *\n");
- nb_blink = 3;
- }
- /*
- * If highest value is above 2.15 Volts that means that the USB TypeC
- * supplies more than 3 Amp, this is not compliant with TypeC specification
- */
- if (max_uV > USB_START_HIGH_THRESHOLD_UV) {
- pr_err("* USB TYPE-C charger not compliant with *\n");
- pr_err("* specification *\n");
- pr_err("****************************************************\n\n");
- /* with 125ms interval, led will blink for 17.02 years ....*/
- nb_blink = U32_MAX;
- } else {
- pr_err("* Current too low, use a 3A power supply! *\n");
- pr_err("****************************************************\n\n");
- }
- led_error_blink(nb_blink);
- return 0;
- }
- #endif /* CONFIG_ADC */
- static void sysconf_init(void)
- {
- #ifndef CONFIG_TFABOOT
- u8 *syscfg;
- #ifdef CONFIG_DM_REGULATOR
- struct udevice *pwr_dev;
- struct udevice *pwr_reg;
- struct udevice *dev;
- int ret;
- u32 otp = 0;
- #endif
- u32 bootr;
- syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
- /* interconnect update : select master using the port 1 */
- /* LTDC = AXI_M9 */
- /* GPU = AXI_M8 */
- /* today information is hardcoded in U-Boot */
- writel(BIT(9), syscfg + SYSCFG_ICNR);
- /* disable Pull-Down for boot pin connected to VDD */
- bootr = readl(syscfg + SYSCFG_BOOTR);
- bootr &= ~(SYSCFG_BOOTR_BOOT_MASK << SYSCFG_BOOTR_BOOTPD_SHIFT);
- bootr |= (bootr & SYSCFG_BOOTR_BOOT_MASK) << SYSCFG_BOOTR_BOOTPD_SHIFT;
- writel(bootr, syscfg + SYSCFG_BOOTR);
- #ifdef CONFIG_DM_REGULATOR
- /* High Speed Low Voltage Pad mode Enable for SPI, SDMMC, ETH, QSPI
- * and TRACE. Needed above ~50MHz and conditioned by AFMUX selection.
- * The customer will have to disable this for low frequencies
- * or if AFMUX is selected but the function not used, typically for
- * TRACE. Otherwise, impact on power consumption.
- *
- * WARNING:
- * enabling High Speed mode while VDD>2.7V
- * with the OTP product_below_2v5 (OTP 18, BIT 13)
- * erroneously set to 1 can damage the IC!
- * => U-Boot set the register only if VDD < 2.7V (in DT)
- * but this value need to be consistent with board design
- */
- ret = uclass_get_device_by_driver(UCLASS_PMIC,
- DM_GET_DRIVER(stm32mp_pwr_pmic),
- &pwr_dev);
- if (!ret) {
- ret = uclass_get_device_by_driver(UCLASS_MISC,
- DM_GET_DRIVER(stm32mp_bsec),
- &dev);
- if (ret) {
- pr_err("Can't find stm32mp_bsec driver\n");
- return;
- }
- ret = misc_read(dev, STM32_BSEC_SHADOW(18), &otp, 4);
- if (ret > 0)
- otp = otp & BIT(13);
- /* get VDD = vdd-supply */
- ret = device_get_supply_regulator(pwr_dev, "vdd-supply",
- &pwr_reg);
- /* check if VDD is Low Voltage */
- if (!ret) {
- if (regulator_get_value(pwr_reg) < 2700000) {
- writel(SYSCFG_IOCTRLSETR_HSLVEN_TRACE |
- SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI |
- SYSCFG_IOCTRLSETR_HSLVEN_ETH |
- SYSCFG_IOCTRLSETR_HSLVEN_SDMMC |
- SYSCFG_IOCTRLSETR_HSLVEN_SPI,
- syscfg + SYSCFG_IOCTRLSETR);
- if (!otp)
- pr_err("product_below_2v5=0: HSLVEN protected by HW\n");
- } else {
- if (otp)
- pr_err("product_below_2v5=1: HSLVEN update is destructive, no update as VDD>2.7V\n");
- }
- } else {
- debug("VDD unknown");
- }
- }
- #endif
- /* activate automatic I/O compensation
- * warning: need to ensure CSI enabled and ready in clock driver
- */
- writel(SYSCFG_CMPENSETR_MPU_EN, syscfg + SYSCFG_CMPENSETR);
- while (!(readl(syscfg + SYSCFG_CMPCR) & SYSCFG_CMPCR_READY))
- ;
- clrbits_le32(syscfg + SYSCFG_CMPCR, SYSCFG_CMPCR_SW_CTRL);
- #endif
- }
- #ifdef CONFIG_DM_REGULATOR
- /* Fix to make I2C1 usable on DK2 for touchscreen usage in kernel */
- static int dk2_i2c1_fix(void)
- {
- ofnode node;
- struct gpio_desc hdmi, audio;
- int ret = 0;
- node = ofnode_path("/soc/i2c@40012000/hdmi-transmitter@39");
- if (!ofnode_valid(node)) {
- pr_debug("%s: no hdmi-transmitter@39 ?\n", __func__);
- return -ENOENT;
- }
- if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
- &hdmi, GPIOD_IS_OUT)) {
- pr_debug("%s: could not find reset-gpios\n",
- __func__);
- return -ENOENT;
- }
- node = ofnode_path("/soc/i2c@40012000/cs42l51@4a");
- if (!ofnode_valid(node)) {
- pr_debug("%s: no cs42l51@4a ?\n", __func__);
- return -ENOENT;
- }
- if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
- &audio, GPIOD_IS_OUT)) {
- pr_debug("%s: could not find reset-gpios\n",
- __func__);
- return -ENOENT;
- }
- /* before power up, insure that HDMI and AUDIO IC is under reset */
- ret = dm_gpio_set_value(&hdmi, 1);
- if (ret) {
- pr_err("%s: can't set_value for hdmi_nrst gpio", __func__);
- goto error;
- }
- ret = dm_gpio_set_value(&audio, 1);
- if (ret) {
- pr_err("%s: can't set_value for audio_nrst gpio", __func__);
- goto error;
- }
- /* power-up audio IC */
- regulator_autoset_by_name("v1v8_audio", NULL);
- /* power-up HDMI IC */
- regulator_autoset_by_name("v1v2_hdmi", NULL);
- regulator_autoset_by_name("v3v3_hdmi", NULL);
- error:
- return ret;
- }
- static bool board_is_dk2(void)
- {
- if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
- of_machine_is_compatible("st,stm32mp157c-dk2"))
- return true;
- return false;
- }
- #endif
- /* board dependent setup after realloc */
- int board_init(void)
- {
- struct udevice *dev;
- /* address of boot parameters */
- gd->bd->bi_boot_params = STM32_DDR_BASE + 0x100;
- /* probe all PINCTRL for hog */
- for (uclass_first_device(UCLASS_PINCTRL, &dev);
- dev;
- uclass_next_device(&dev)) {
- pr_debug("probe pincontrol = %s\n", dev->name);
- }
- board_key_check();
- #ifdef CONFIG_DM_REGULATOR
- if (board_is_dk2())
- dk2_i2c1_fix();
- regulators_enable_boot_on(_DEBUG);
- #endif
- sysconf_init();
- if (CONFIG_IS_ENABLED(LED))
- led_default_state();
- return 0;
- }
- int board_late_init(void)
- {
- char *boot_device;
- #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
- const void *fdt_compat;
- int fdt_compat_len;
- int ret;
- u32 otp;
- struct udevice *dev;
- char buf[10];
- fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
- &fdt_compat_len);
- if (fdt_compat && fdt_compat_len) {
- if (strncmp(fdt_compat, "st,", 3) != 0)
- env_set("board_name", fdt_compat);
- else
- env_set("board_name", fdt_compat + 3);
- }
- ret = uclass_get_device_by_driver(UCLASS_MISC,
- DM_GET_DRIVER(stm32mp_bsec),
- &dev);
- if (!ret)
- ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
- &otp, sizeof(otp));
- if (!ret && otp) {
- snprintf(buf, sizeof(buf), "0x%04x", otp >> 16);
- env_set("board_id", buf);
- snprintf(buf, sizeof(buf), "0x%04x",
- ((otp >> 8) & 0xF) - 1 + 0xA);
- env_set("board_rev", buf);
- }
- #endif
- #ifdef CONFIG_ADC
- /* for DK1/DK2 boards */
- board_check_usb_power();
- #endif /* CONFIG_ADC */
- /* Check the boot-source to disable bootdelay */
- boot_device = env_get("boot_device");
- if (!strcmp(boot_device, "serial") || !strcmp(boot_device, "usb"))
- env_set("bootdelay", "0");
- return 0;
- }
- void board_quiesce_devices(void)
- {
- #ifdef CONFIG_LED
- setup_led(LEDST_OFF);
- #endif
- }
- /* eth init function : weak called in eqos driver */
- int board_interface_eth_init(struct udevice *dev,
- phy_interface_t interface_type)
- {
- u8 *syscfg;
- u32 value;
- bool eth_clk_sel_reg = false;
- bool eth_ref_clk_sel_reg = false;
- /* Gigabit Ethernet 125MHz clock selection. */
- eth_clk_sel_reg = dev_read_bool(dev, "st,eth_clk_sel");
- /* Ethernet 50Mhz RMII clock selection */
- eth_ref_clk_sel_reg =
- dev_read_bool(dev, "st,eth_ref_clk_sel");
- syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
- if (!syscfg)
- return -ENODEV;
- switch (interface_type) {
- case PHY_INTERFACE_MODE_MII:
- value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
- SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
- debug("%s: PHY_INTERFACE_MODE_MII\n", __func__);
- break;
- case PHY_INTERFACE_MODE_GMII:
- if (eth_clk_sel_reg)
- value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
- SYSCFG_PMCSETR_ETH_CLK_SEL;
- else
- value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII;
- debug("%s: PHY_INTERFACE_MODE_GMII\n", __func__);
- break;
- case PHY_INTERFACE_MODE_RMII:
- if (eth_ref_clk_sel_reg)
- value = SYSCFG_PMCSETR_ETH_SEL_RMII |
- SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
- else
- value = SYSCFG_PMCSETR_ETH_SEL_RMII;
- debug("%s: PHY_INTERFACE_MODE_RMII\n", __func__);
- break;
- case PHY_INTERFACE_MODE_RGMII:
- case PHY_INTERFACE_MODE_RGMII_ID:
- case PHY_INTERFACE_MODE_RGMII_RXID:
- case PHY_INTERFACE_MODE_RGMII_TXID:
- if (eth_clk_sel_reg)
- value = SYSCFG_PMCSETR_ETH_SEL_RGMII |
- SYSCFG_PMCSETR_ETH_CLK_SEL;
- else
- value = SYSCFG_PMCSETR_ETH_SEL_RGMII;
- debug("%s: PHY_INTERFACE_MODE_RGMII\n", __func__);
- break;
- default:
- debug("%s: Do not manage %d interface\n",
- __func__, interface_type);
- /* Do not manage others interfaces */
- return -EINVAL;
- }
- /* clear and set ETH configuration bits */
- writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII |
- SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL,
- syscfg + SYSCFG_PMCCLRR);
- writel(value, syscfg + SYSCFG_PMCSETR);
- return 0;
- }
- enum env_location env_get_location(enum env_operation op, int prio)
- {
- u32 bootmode = get_bootmode();
- if (prio)
- return ENVL_UNKNOWN;
- switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
- #ifdef CONFIG_ENV_IS_IN_EXT4
- case BOOT_FLASH_SD:
- case BOOT_FLASH_EMMC:
- return ENVL_EXT4;
- #endif
- #ifdef CONFIG_ENV_IS_IN_UBI
- case BOOT_FLASH_NAND:
- return ENVL_UBI;
- #endif
- #ifdef CONFIG_ENV_IS_IN_SPI_FLASH
- case BOOT_FLASH_NOR:
- return ENVL_SPI_FLASH;
- #endif
- default:
- return ENVL_NOWHERE;
- }
- }
- #if defined(CONFIG_ENV_IS_IN_EXT4)
- const char *env_ext4_get_intf(void)
- {
- u32 bootmode = get_bootmode();
- switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
- case BOOT_FLASH_SD:
- case BOOT_FLASH_EMMC:
- return "mmc";
- default:
- return "";
- }
- }
- const char *env_ext4_get_dev_part(void)
- {
- static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"};
- u32 bootmode = get_bootmode();
- return dev_part[(bootmode & TAMP_BOOT_INSTANCE_MASK) - 1];
- }
- #endif
- #ifdef CONFIG_SYS_MTDPARTS_RUNTIME
- #define MTDPARTS_LEN 256
- #define MTDIDS_LEN 128
- /**
- * The mtdparts_nand0 and mtdparts_nor0 variable tends to be long.
- * If we need to access it before the env is relocated, then we need
- * to use our own stack buffer. gd->env_buf will be too small.
- *
- * @param buf temporary buffer pointer MTDPARTS_LEN long
- * @return mtdparts variable string, NULL if not found
- */
- static const char *env_get_mtdparts(const char *str, char *buf)
- {
- if (gd->flags & GD_FLG_ENV_READY)
- return env_get(str);
- if (env_get_f(str, buf, MTDPARTS_LEN) != -1)
- return buf;
- return NULL;
- }
- /**
- * update the variables "mtdids" and "mtdparts" with content of mtdparts_<dev>
- */
- static void board_get_mtdparts(const char *dev,
- char *mtdids,
- char *mtdparts)
- {
- char env_name[32] = "mtdparts_";
- char tmp_mtdparts[MTDPARTS_LEN];
- const char *tmp;
- /* name of env variable to read = mtdparts_<dev> */
- strcat(env_name, dev);
- tmp = env_get_mtdparts(env_name, tmp_mtdparts);
- if (tmp) {
- /* mtdids: "<dev>=<dev>, ...." */
- if (mtdids[0] != '\0')
- strcat(mtdids, ",");
- strcat(mtdids, dev);
- strcat(mtdids, "=");
- strcat(mtdids, dev);
- /* mtdparts: "mtdparts=<dev>:<mtdparts_<dev>>;..." */
- if (mtdparts[0] != '\0')
- strncat(mtdparts, ";", MTDPARTS_LEN);
- else
- strcat(mtdparts, "mtdparts=");
- strncat(mtdparts, dev, MTDPARTS_LEN);
- strncat(mtdparts, ":", MTDPARTS_LEN);
- strncat(mtdparts, tmp, MTDPARTS_LEN);
- }
- }
- void board_mtdparts_default(const char **mtdids, const char **mtdparts)
- {
- struct mtd_info *mtd;
- struct udevice *dev;
- static char parts[3 * MTDPARTS_LEN + 1];
- static char ids[MTDIDS_LEN + 1];
- static bool mtd_initialized;
- if (mtd_initialized) {
- *mtdids = ids;
- *mtdparts = parts;
- return;
- }
- memset(parts, 0, sizeof(parts));
- memset(ids, 0, sizeof(ids));
- /* probe all MTD devices */
- for (uclass_first_device(UCLASS_MTD, &dev);
- dev;
- uclass_next_device(&dev)) {
- pr_debug("mtd device = %s\n", dev->name);
- }
- mtd = get_mtd_device_nm("nand0");
- if (!IS_ERR_OR_NULL(mtd)) {
- board_get_mtdparts("nand0", ids, parts);
- put_mtd_device(mtd);
- }
- mtd = get_mtd_device_nm("spi-nand0");
- if (!IS_ERR_OR_NULL(mtd)) {
- board_get_mtdparts("spi-nand0", ids, parts);
- put_mtd_device(mtd);
- }
- if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev))
- board_get_mtdparts("nor0", ids, parts);
- mtd_initialized = true;
- *mtdids = ids;
- *mtdparts = parts;
- debug("%s:mtdids=%s & mtdparts=%s\n", __func__, ids, parts);
- }
- #endif
- #if defined(CONFIG_OF_BOARD_SETUP)
- int ft_board_setup(void *blob, bd_t *bd)
- {
- #ifdef CONFIG_FDT_FIXUP_PARTITIONS
- struct node_info nodes[] = {
- { "st,stm32f469-qspi", MTD_DEV_TYPE_NOR, },
- { "st,stm32mp15-fmc2", MTD_DEV_TYPE_NAND, },
- };
- fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
- #endif
- return 0;
- }
- #endif
- #ifdef CONFIG_SET_DFU_ALT_INFO
- #define DFU_ALT_BUF_LEN SZ_1K
- static void board_get_alt_info(const char *dev, char *buff)
- {
- char var_name[32] = "dfu_alt_info_";
- int ret;
- ALLOC_CACHE_ALIGN_BUFFER(char, tmp_alt, DFU_ALT_BUF_LEN);
- /* name of env variable to read = dfu_alt_info_<dev> */
- strcat(var_name, dev);
- ret = env_get_f(var_name, tmp_alt, DFU_ALT_BUF_LEN);
- if (ret) {
- if (buff[0] != '\0')
- strcat(buff, "&");
- strncat(buff, tmp_alt, DFU_ALT_BUF_LEN);
- }
- }
- void set_dfu_alt_info(char *interface, char *devstr)
- {
- struct udevice *dev;
- struct mtd_info *mtd;
- ALLOC_CACHE_ALIGN_BUFFER(char, buf, DFU_ALT_BUF_LEN);
- if (env_get("dfu_alt_info"))
- return;
- memset(buf, 0, sizeof(buf));
- /* probe all MTD devices */
- mtd_probe_devices();
- board_get_alt_info("ram", buf);
- if (!uclass_get_device(UCLASS_MMC, 0, &dev))
- board_get_alt_info("mmc0", buf);
- if (!uclass_get_device(UCLASS_MMC, 1, &dev))
- board_get_alt_info("mmc1", buf);
- if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev))
- board_get_alt_info("nor0", buf);
- mtd = get_mtd_device_nm("nand0");
- if (!IS_ERR_OR_NULL(mtd))
- board_get_alt_info("nand0", buf);
- mtd = get_mtd_device_nm("spi-nand0");
- if (!IS_ERR_OR_NULL(mtd))
- board_get_alt_info("spi-nand0", buf);
- #ifdef CONFIG_DFU_VIRT
- strncat(buf, "&virt 0=OTP", DFU_ALT_BUF_LEN);
- if (IS_ENABLED(CONFIG_PMIC_STPMIC1))
- strncat(buf, "&virt 1=PMIC", DFU_ALT_BUF_LEN);
- #endif
- env_set("dfu_alt_info", buf);
- puts("DFU alt info setting: done\n");
- }
- #if CONFIG_IS_ENABLED(DFU_VIRT)
- #include <dfu.h>
- #include <power/stpmic1.h>
- static int dfu_otp_read(u64 offset, u8 *buffer, long *size)
- {
- struct udevice *dev;
- int ret;
- ret = uclass_get_device_by_driver(UCLASS_MISC,
- DM_GET_DRIVER(stm32mp_bsec),
- &dev);
- if (ret)
- return ret;
- ret = misc_read(dev, offset + STM32_BSEC_OTP_OFFSET, buffer, *size);
- if (ret >= 0) {
- *size = ret;
- ret = 0;
- }
- return 0;
- }
- static int dfu_pmic_read(u64 offset, u8 *buffer, long *size)
- {
- int ret;
- #ifdef CONFIG_PMIC_STPMIC1
- struct udevice *dev;
- ret = uclass_get_device_by_driver(UCLASS_MISC,
- DM_GET_DRIVER(stpmic1_nvm),
- &dev);
- if (ret)
- return ret;
- ret = misc_read(dev, 0xF8 + offset, buffer, *size);
- if (ret >= 0) {
- *size = ret;
- ret = 0;
- }
- if (ret == -EACCES) {
- *size = 0;
- ret = 0;
- }
- #else
- pr_err("PMIC update not supported");
- ret = -EOPNOTSUPP;
- #endif
- return ret;
- }
- int dfu_read_medium_virt(struct dfu_entity *dfu, u64 offset,
- void *buf, long *len)
- {
- switch (dfu->data.virt.dev_num) {
- case 0x0:
- return dfu_otp_read(offset, buf, len);
- case 0x1:
- return dfu_pmic_read(offset, buf, len);
- }
- *len = 0;
- return 0;
- }
- int __weak dfu_get_medium_size_virt(struct dfu_entity *dfu, u64 *size)
- {
- *size = SZ_1K;
- return 0;
- }
- #endif
- #endif
- static void board_copro_image_process(ulong fw_image, size_t fw_size)
- {
- int ret, id = 0; /* Copro id fixed to 0 as only one coproc on mp1 */
- if (!rproc_is_initialized())
- if (rproc_init()) {
- printf("Remote Processor %d initialization failed\n",
- id);
- return;
- }
- ret = rproc_load(id, fw_image, fw_size);
- printf("Load Remote Processor %d with data@addr=0x%08lx %u bytes:%s\n",
- id, fw_image, fw_size, ret ? " Failed!" : " Success!");
- if (!ret)
- rproc_start(id);
- }
- U_BOOT_FIT_LOADABLE_HANDLER(IH_TYPE_COPRO, board_copro_image_process);
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