942 lines
23 KiB
C
942 lines
23 KiB
C
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
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*/
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#define LOG_CATEGORY LOGC_BOARD
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#include <common.h>
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#include <adc.h>
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#include <bootm.h>
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#include <clk.h>
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#include <config.h>
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#include <dm.h>
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#include <env.h>
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#include <env_internal.h>
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#include <fdt_simplefb.h>
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#include <fdt_support.h>
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#include <g_dnl.h>
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#include <generic-phy.h>
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#include <hang.h>
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#include <i2c.h>
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#include <init.h>
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#include <led.h>
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#include <log.h>
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#include <malloc.h>
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#include <misc.h>
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#include <mtd_node.h>
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#include <net.h>
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#include <netdev.h>
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#include <phy.h>
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#include <remoteproc.h>
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#include <reset.h>
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#include <syscon.h>
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#include <usb.h>
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#include <watchdog.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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#include <asm/gpio.h>
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#include <asm/arch/stm32.h>
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#include <asm/arch/sys_proto.h>
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#include <dm/ofnode.h>
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#include <jffs2/load_kernel.h>
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#include <linux/bitops.h>
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/iopoll.h>
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#include <power/regulator.h>
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#include <usb/dwc2_udc.h>
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#include "../../st/common/stusb160x.h"
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/* SYSCFG registers */
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#define SYSCFG_BOOTR 0x00
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#define SYSCFG_PMCSETR 0x04
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#define SYSCFG_IOCTRLSETR 0x18
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#define SYSCFG_ICNR 0x1C
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#define SYSCFG_CMPCR 0x20
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#define SYSCFG_CMPENSETR 0x24
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#define SYSCFG_PMCCLRR 0x44
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#define SYSCFG_BOOTR_BOOT_MASK GENMASK(2, 0)
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#define SYSCFG_BOOTR_BOOTPD_SHIFT 4
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#define SYSCFG_IOCTRLSETR_HSLVEN_TRACE BIT(0)
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#define SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI BIT(1)
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#define SYSCFG_IOCTRLSETR_HSLVEN_ETH BIT(2)
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#define SYSCFG_IOCTRLSETR_HSLVEN_SDMMC BIT(3)
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#define SYSCFG_IOCTRLSETR_HSLVEN_SPI BIT(4)
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#define SYSCFG_CMPCR_SW_CTRL BIT(1)
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#define SYSCFG_CMPCR_READY BIT(8)
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#define SYSCFG_CMPENSETR_MPU_EN BIT(0)
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#define SYSCFG_PMCSETR_ETH_CLK_SEL BIT(16)
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#define SYSCFG_PMCSETR_ETH_REF_CLK_SEL BIT(17)
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#define SYSCFG_PMCSETR_ETH_SELMII BIT(20)
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#define SYSCFG_PMCSETR_ETH_SEL_MASK GENMASK(23, 21)
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#define SYSCFG_PMCSETR_ETH_SEL_GMII_MII 0
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#define SYSCFG_PMCSETR_ETH_SEL_RGMII BIT(21)
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#define SYSCFG_PMCSETR_ETH_SEL_RMII BIT(23)
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#define USB_LOW_THRESHOLD_UV 200000
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#define USB_WARNING_LOW_THRESHOLD_UV 660000
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#define USB_START_LOW_THRESHOLD_UV 1230000
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#define USB_START_HIGH_THRESHOLD_UV 2150000
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int board_early_init_f(void)
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{
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/* nothing to do, only used in SPL */
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return 0;
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}
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int checkboard(void)
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{
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int ret;
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char *mode;
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u32 otp;
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struct udevice *dev;
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const char *fdt_compat;
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int fdt_compat_len;
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if (IS_ENABLED(CONFIG_TFABOOT)) {
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if (IS_ENABLED(CONFIG_STM32MP15x_STM32IMAGE))
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mode = "trusted - stm32image";
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else
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mode = "trusted";
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} else {
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mode = "basic";
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}
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fdt_compat = ofnode_get_property(ofnode_root(), "compatible",
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&fdt_compat_len);
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log_info("Board: stm32mp1 in %s mode (%s)\n", mode,
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fdt_compat && fdt_compat_len ? fdt_compat : "");
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/* display the STMicroelectronics board identification */
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if (CONFIG_IS_ENABLED(CMD_STBOARD)) {
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ret = uclass_get_device_by_driver(UCLASS_MISC,
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DM_DRIVER_GET(stm32mp_bsec),
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&dev);
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if (!ret)
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ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
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&otp, sizeof(otp));
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if (ret > 0 && otp)
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log_info("Board: MB%04x Var%d.%d Rev.%c-%02d\n",
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otp >> 16,
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(otp >> 12) & 0xF,
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(otp >> 4) & 0xF,
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((otp >> 8) & 0xF) - 1 + 'A',
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otp & 0xF);
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}
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return 0;
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}
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static void board_key_check(void)
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{
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ofnode node;
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struct gpio_desc gpio;
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enum forced_boot_mode boot_mode = BOOT_NORMAL;
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if (!IS_ENABLED(CONFIG_FASTBOOT) && !IS_ENABLED(CONFIG_CMD_STM32PROG))
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return;
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node = ofnode_path("/config");
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if (!ofnode_valid(node)) {
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log_debug("no /config node?\n");
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return;
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}
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if (IS_ENABLED(CONFIG_FASTBOOT)) {
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if (gpio_request_by_name_nodev(node, "st,fastboot-gpios", 0,
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&gpio, GPIOD_IS_IN)) {
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log_debug("could not find a /config/st,fastboot-gpios\n");
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} else {
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udelay(20);
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if (dm_gpio_get_value(&gpio)) {
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log_notice("Fastboot key pressed, ");
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boot_mode = BOOT_FASTBOOT;
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}
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dm_gpio_free(NULL, &gpio);
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}
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}
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if (IS_ENABLED(CONFIG_CMD_STM32PROG)) {
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if (gpio_request_by_name_nodev(node, "st,stm32prog-gpios", 0,
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&gpio, GPIOD_IS_IN)) {
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log_debug("could not find a /config/st,stm32prog-gpios\n");
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} else {
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udelay(20);
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if (dm_gpio_get_value(&gpio)) {
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log_notice("STM32Programmer key pressed, ");
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boot_mode = BOOT_STM32PROG;
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}
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dm_gpio_free(NULL, &gpio);
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}
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}
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if (boot_mode != BOOT_NORMAL) {
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log_notice("entering download mode...\n");
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clrsetbits_le32(TAMP_BOOT_CONTEXT,
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TAMP_BOOT_FORCED_MASK,
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boot_mode);
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}
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}
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int g_dnl_board_usb_cable_connected(void)
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{
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struct udevice *dwc2_udc_otg;
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int ret;
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if (!IS_ENABLED(CONFIG_USB_GADGET_DWC2_OTG))
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return -ENODEV;
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/*
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* In case of USB boot device is detected, consider USB cable is
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* connected
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*/
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if ((get_bootmode() & TAMP_BOOT_DEVICE_MASK) == BOOT_SERIAL_USB)
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return true;
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/* if typec stusb160x is present, means DK1 or DK2 board */
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ret = stusb160x_cable_connected();
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if (ret >= 0)
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return ret;
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ret = uclass_get_device_by_driver(UCLASS_USB_GADGET_GENERIC,
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DM_DRIVER_GET(dwc2_udc_otg),
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&dwc2_udc_otg);
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if (ret) {
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log_debug("dwc2_udc_otg init failed\n");
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return ret;
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}
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return dwc2_udc_B_session_valid(dwc2_udc_otg);
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}
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#ifdef CONFIG_USB_GADGET_DOWNLOAD
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#define STM32MP1_G_DNL_DFU_PRODUCT_NUM 0xdf11
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#define STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM 0x0afb
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int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
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{
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if (IS_ENABLED(CONFIG_DFU_OVER_USB) &&
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!strcmp(name, "usb_dnl_dfu"))
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put_unaligned(STM32MP1_G_DNL_DFU_PRODUCT_NUM, &dev->idProduct);
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else if (IS_ENABLED(CONFIG_FASTBOOT) &&
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!strcmp(name, "usb_dnl_fastboot"))
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put_unaligned(STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM,
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&dev->idProduct);
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else
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put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM, &dev->idProduct);
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return 0;
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}
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#endif /* CONFIG_USB_GADGET_DOWNLOAD */
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static int get_led(struct udevice **dev, char *led_string)
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{
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const char *led_name;
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int ret;
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led_name = ofnode_conf_read_str(led_string);
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if (!led_name) {
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log_debug("could not find %s config string\n", led_string);
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return -ENOENT;
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}
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ret = led_get_by_label(led_name, dev);
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if (ret) {
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log_debug("get=%d\n", ret);
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return ret;
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}
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return 0;
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}
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static int setup_led(enum led_state_t cmd)
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{
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struct udevice *dev;
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int ret;
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if (!CONFIG_IS_ENABLED(LED))
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return 0;
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ret = get_led(&dev, "u-boot,boot-led");
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if (ret)
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return ret;
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ret = led_set_state(dev, cmd);
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return ret;
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}
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static void __maybe_unused led_error_blink(u32 nb_blink)
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{
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int ret;
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struct udevice *led;
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u32 i;
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if (!nb_blink)
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return;
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if (CONFIG_IS_ENABLED(LED)) {
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ret = get_led(&led, "u-boot,error-led");
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if (!ret) {
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/* make u-boot,error-led blinking */
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/* if U32_MAX and 125ms interval, for 17.02 years */
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for (i = 0; i < 2 * nb_blink; i++) {
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led_set_state(led, LEDST_TOGGLE);
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mdelay(125);
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WATCHDOG_RESET();
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}
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led_set_state(led, LEDST_ON);
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}
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}
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/* infinite: the boot process must be stopped */
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if (nb_blink == U32_MAX)
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hang();
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}
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static int adc_measurement(ofnode node, int adc_count, int *min_uV, int *max_uV)
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{
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struct ofnode_phandle_args adc_args;
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struct udevice *adc;
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unsigned int raw;
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int ret, uV;
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int i;
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for (i = 0; i < adc_count; i++) {
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if (ofnode_parse_phandle_with_args(node, "st,adc_usb_pd",
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"#io-channel-cells", 0, i,
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&adc_args)) {
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log_debug("can't find /config/st,adc_usb_pd\n");
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return 0;
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}
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ret = uclass_get_device_by_ofnode(UCLASS_ADC, adc_args.node,
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&adc);
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if (ret) {
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log_err("Can't get adc device(%d)\n", ret);
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return ret;
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}
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ret = adc_channel_single_shot(adc->name, adc_args.args[0],
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&raw);
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if (ret) {
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log_err("single shot failed for %s[%d]!\n",
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adc->name, adc_args.args[0]);
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return ret;
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}
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/* Convert to uV */
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if (!adc_raw_to_uV(adc, raw, &uV)) {
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if (uV > *max_uV)
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*max_uV = uV;
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if (uV < *min_uV)
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*min_uV = uV;
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log_debug("%s[%02d] = %u, %d uV\n",
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adc->name, adc_args.args[0], raw, uV);
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} else {
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log_err("Can't get uV value for %s[%d]\n",
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adc->name, adc_args.args[0]);
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}
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}
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return 0;
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}
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static int board_check_usb_power(void)
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{
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ofnode node;
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int max_uV = 0;
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int min_uV = USB_START_HIGH_THRESHOLD_UV;
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int adc_count, ret;
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u32 nb_blink;
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u8 i;
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if (!IS_ENABLED(CONFIG_ADC))
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return -ENODEV;
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node = ofnode_path("/config");
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if (!ofnode_valid(node)) {
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log_debug("no /config node?\n");
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return -ENOENT;
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}
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/*
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* Retrieve the ADC channels devices and get measurement
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* for each of them
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*/
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adc_count = ofnode_count_phandle_with_args(node, "st,adc_usb_pd",
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"#io-channel-cells", 0);
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if (adc_count < 0) {
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if (adc_count == -ENOENT)
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return 0;
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log_err("Can't find adc channel (%d)\n", adc_count);
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return adc_count;
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}
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/* perform maximum of 2 ADC measurements to detect power supply current */
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for (i = 0; i < 2; i++) {
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ret = adc_measurement(node, adc_count, &min_uV, &max_uV);
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if (ret)
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return ret;
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/*
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* If highest value is inside 1.23 Volts and 2.10 Volts, that means
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* board is plugged on an USB-C 3A power supply and boot process can
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* continue.
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*/
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if (max_uV > USB_START_LOW_THRESHOLD_UV &&
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max_uV <= USB_START_HIGH_THRESHOLD_UV &&
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min_uV <= USB_LOW_THRESHOLD_UV)
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return 0;
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if (i == 0) {
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log_err("Previous ADC measurements was not the one expected, retry in 20ms\n");
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mdelay(20); /* equal to max tPDDebounce duration (min 10ms - max 20ms) */
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}
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}
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log_notice("****************************************************\n");
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/*
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* If highest and lowest value are either both below
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* USB_LOW_THRESHOLD_UV or both above USB_LOW_THRESHOLD_UV, that
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* means USB TYPE-C is in unattached mode, this is an issue, make
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* u-boot,error-led blinking and stop boot process.
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*/
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if ((max_uV > USB_LOW_THRESHOLD_UV &&
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min_uV > USB_LOW_THRESHOLD_UV) ||
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(max_uV <= USB_LOW_THRESHOLD_UV &&
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min_uV <= USB_LOW_THRESHOLD_UV)) {
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log_notice("* ERROR USB TYPE-C connection in unattached mode *\n");
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log_notice("* Check that USB TYPE-C cable is correctly plugged *\n");
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/* with 125ms interval, led will blink for 17.02 years ....*/
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nb_blink = U32_MAX;
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}
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if (max_uV > USB_LOW_THRESHOLD_UV &&
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max_uV <= USB_WARNING_LOW_THRESHOLD_UV &&
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min_uV <= USB_LOW_THRESHOLD_UV) {
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log_notice("* WARNING 500mA power supply detected *\n");
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nb_blink = 2;
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}
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if (max_uV > USB_WARNING_LOW_THRESHOLD_UV &&
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max_uV <= USB_START_LOW_THRESHOLD_UV &&
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min_uV <= USB_LOW_THRESHOLD_UV) {
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log_notice("* WARNING 1.5A power supply detected *\n");
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nb_blink = 3;
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}
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/*
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* If highest value is above 2.15 Volts that means that the USB TypeC
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* supplies more than 3 Amp, this is not compliant with TypeC specification
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*/
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if (max_uV > USB_START_HIGH_THRESHOLD_UV) {
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log_notice("* USB TYPE-C charger not compliant with *\n");
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log_notice("* specification *\n");
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log_notice("****************************************************\n\n");
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/* with 125ms interval, led will blink for 17.02 years ....*/
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nb_blink = U32_MAX;
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} else {
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log_notice("* Current too low, use a 3A power supply! *\n");
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log_notice("****************************************************\n\n");
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}
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led_error_blink(nb_blink);
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return 0;
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}
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static void sysconf_init(void)
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{
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u8 *syscfg;
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struct udevice *pwr_dev;
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struct udevice *pwr_reg;
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struct udevice *dev;
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u32 otp = 0;
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int ret;
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u32 bootr, val;
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syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
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/* interconnect update : select master using the port 1 */
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/* LTDC = AXI_M9 */
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/* GPU = AXI_M8 */
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/* today information is hardcoded in U-Boot */
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writel(BIT(9), syscfg + SYSCFG_ICNR);
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/* disable Pull-Down for boot pin connected to VDD */
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bootr = readl(syscfg + SYSCFG_BOOTR);
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bootr &= ~(SYSCFG_BOOTR_BOOT_MASK << SYSCFG_BOOTR_BOOTPD_SHIFT);
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bootr |= (bootr & SYSCFG_BOOTR_BOOT_MASK) << SYSCFG_BOOTR_BOOTPD_SHIFT;
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writel(bootr, syscfg + SYSCFG_BOOTR);
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/* High Speed Low Voltage Pad mode Enable for SPI, SDMMC, ETH, QSPI
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* and TRACE. Needed above ~50MHz and conditioned by AFMUX selection.
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* The customer will have to disable this for low frequencies
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* 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_DRIVER_GET(stm32mp_pwr_pmic),
|
|
&pwr_dev);
|
|
if (!ret) {
|
|
ret = uclass_get_device_by_driver(UCLASS_MISC,
|
|
DM_DRIVER_GET(stm32mp_bsec),
|
|
&dev);
|
|
if (ret) {
|
|
log_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)
|
|
log_err("product_below_2v5=0: HSLVEN protected by HW\n");
|
|
} else {
|
|
if (otp)
|
|
log_err("product_below_2v5=1: HSLVEN update is destructive, no update as VDD>2.7V\n");
|
|
}
|
|
} else {
|
|
log_debug("VDD unknown");
|
|
}
|
|
}
|
|
|
|
/* activate automatic I/O compensation
|
|
* warning: need to ensure CSI enabled and ready in clock driver
|
|
*/
|
|
writel(SYSCFG_CMPENSETR_MPU_EN, syscfg + SYSCFG_CMPENSETR);
|
|
|
|
/* poll until ready (1s timeout) */
|
|
ret = readl_poll_timeout(syscfg + SYSCFG_CMPCR, val,
|
|
val & SYSCFG_CMPCR_READY,
|
|
1000000);
|
|
if (ret) {
|
|
log_err("SYSCFG: I/O compensation failed, timeout.\n");
|
|
led_error_blink(10);
|
|
}
|
|
|
|
clrbits_le32(syscfg + SYSCFG_CMPCR, SYSCFG_CMPCR_SW_CTRL);
|
|
}
|
|
|
|
static int board_stm32mp15x_dk2_init(void)
|
|
{
|
|
ofnode node;
|
|
struct gpio_desc hdmi, audio;
|
|
int ret = 0;
|
|
|
|
/* Fix to make I2C1 usable on DK2 for touchscreen usage in kernel */
|
|
node = ofnode_path("/soc/i2c@40012000/hdmi-transmitter@39");
|
|
if (!ofnode_valid(node)) {
|
|
log_debug("no hdmi-transmitter@39 ?\n");
|
|
return -ENOENT;
|
|
}
|
|
|
|
if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
|
|
&hdmi, GPIOD_IS_OUT)) {
|
|
log_debug("could not find reset-gpios\n");
|
|
return -ENOENT;
|
|
}
|
|
|
|
node = ofnode_path("/soc/i2c@40012000/cs42l51@4a");
|
|
if (!ofnode_valid(node)) {
|
|
log_debug("no cs42l51@4a ?\n");
|
|
return -ENOENT;
|
|
}
|
|
|
|
if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
|
|
&audio, GPIOD_IS_OUT)) {
|
|
log_debug("could not find reset-gpios\n");
|
|
return -ENOENT;
|
|
}
|
|
|
|
/* before power up, insure that HDMI and AUDIO IC is under reset */
|
|
ret = dm_gpio_set_value(&hdmi, 1);
|
|
if (ret) {
|
|
log_err("can't set_value for hdmi_nrst gpio");
|
|
goto error;
|
|
}
|
|
ret = dm_gpio_set_value(&audio, 1);
|
|
if (ret) {
|
|
log_err("can't set_value for audio_nrst gpio");
|
|
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_stm32mp15x_dk2(void)
|
|
{
|
|
if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
|
|
of_machine_is_compatible("st,stm32mp157c-dk2"))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool board_is_stm32mp15x_ev1(void)
|
|
{
|
|
if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
|
|
(of_machine_is_compatible("st,stm32mp157a-ev1") ||
|
|
of_machine_is_compatible("st,stm32mp157c-ev1") ||
|
|
of_machine_is_compatible("st,stm32mp157d-ev1") ||
|
|
of_machine_is_compatible("st,stm32mp157f-ev1")))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
/* touchscreen driver: only used for pincontrol configuration */
|
|
static const struct udevice_id goodix_ids[] = {
|
|
{ .compatible = "goodix,gt9147", },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(goodix) = {
|
|
.name = "goodix",
|
|
.id = UCLASS_NOP,
|
|
.of_match = goodix_ids,
|
|
};
|
|
|
|
static void board_stm32mp15x_ev1_init(void)
|
|
{
|
|
struct udevice *dev;
|
|
|
|
/* configure IRQ line on EV1 for touchscreen before LCD reset */
|
|
uclass_get_device_by_driver(UCLASS_NOP, DM_DRIVER_GET(goodix), &dev);
|
|
}
|
|
|
|
/* board dependent setup after realloc */
|
|
int board_init(void)
|
|
{
|
|
board_key_check();
|
|
|
|
if (board_is_stm32mp15x_ev1())
|
|
board_stm32mp15x_ev1_init();
|
|
|
|
if (board_is_stm32mp15x_dk2())
|
|
board_stm32mp15x_dk2_init();
|
|
|
|
regulators_enable_boot_on(_DEBUG);
|
|
|
|
/*
|
|
* sysconf initialisation done only when U-Boot is running in secure
|
|
* done in TF-A for TFABOOT.
|
|
*/
|
|
if (IS_ENABLED(CONFIG_ARMV7_NONSEC))
|
|
sysconf_init();
|
|
|
|
setup_led(LEDST_ON);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_late_init(void)
|
|
{
|
|
const void *fdt_compat;
|
|
int fdt_compat_len;
|
|
int ret;
|
|
u32 otp;
|
|
struct udevice *dev;
|
|
char buf[10];
|
|
char dtb_name[256];
|
|
int buf_len;
|
|
|
|
if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
|
|
fdt_compat = ofnode_get_property(ofnode_root(), "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);
|
|
|
|
buf_len = sizeof(dtb_name);
|
|
strncpy(dtb_name, fdt_compat + 3, buf_len);
|
|
buf_len -= strlen(fdt_compat + 3);
|
|
strncat(dtb_name, ".dtb", buf_len);
|
|
env_set("fdtfile", dtb_name);
|
|
}
|
|
}
|
|
ret = uclass_get_device_by_driver(UCLASS_MISC,
|
|
DM_DRIVER_GET(stm32mp_bsec),
|
|
&dev);
|
|
|
|
if (!ret)
|
|
ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
|
|
&otp, sizeof(otp));
|
|
if (ret > 0 && 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);
|
|
}
|
|
}
|
|
|
|
/* for DK1/DK2 boards */
|
|
board_check_usb_power();
|
|
|
|
return 0;
|
|
}
|
|
|
|
void board_quiesce_devices(void)
|
|
{
|
|
setup_led(LEDST_OFF);
|
|
}
|
|
|
|
/* 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;
|
|
log_debug("PHY_INTERFACE_MODE_MII\n");
|
|
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;
|
|
log_debug("PHY_INTERFACE_MODE_GMII\n");
|
|
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;
|
|
log_debug("PHY_INTERFACE_MODE_RMII\n");
|
|
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;
|
|
log_debug("PHY_INTERFACE_MODE_RGMII\n");
|
|
break;
|
|
default:
|
|
log_debug("Do not manage %d interface\n",
|
|
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) {
|
|
case BOOT_FLASH_SD:
|
|
case BOOT_FLASH_EMMC:
|
|
if (CONFIG_IS_ENABLED(ENV_IS_IN_MMC))
|
|
return ENVL_MMC;
|
|
else if (CONFIG_IS_ENABLED(ENV_IS_IN_EXT4))
|
|
return ENVL_EXT4;
|
|
else
|
|
return ENVL_NOWHERE;
|
|
|
|
case BOOT_FLASH_NAND:
|
|
case BOOT_FLASH_SPINAND:
|
|
if (CONFIG_IS_ENABLED(ENV_IS_IN_UBI))
|
|
return ENVL_UBI;
|
|
else
|
|
return ENVL_NOWHERE;
|
|
|
|
case BOOT_FLASH_NOR:
|
|
if (CONFIG_IS_ENABLED(ENV_IS_IN_SPI_FLASH))
|
|
return ENVL_SPI_FLASH;
|
|
else
|
|
return ENVL_NOWHERE;
|
|
|
|
default:
|
|
return ENVL_NOWHERE;
|
|
}
|
|
}
|
|
|
|
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 "";
|
|
}
|
|
}
|
|
|
|
int mmc_get_boot(void)
|
|
{
|
|
struct udevice *dev;
|
|
u32 boot_mode = get_bootmode();
|
|
unsigned int instance = (boot_mode & TAMP_BOOT_INSTANCE_MASK) - 1;
|
|
char cmd[20];
|
|
const u32 sdmmc_addr[] = {
|
|
STM32_SDMMC1_BASE,
|
|
STM32_SDMMC2_BASE,
|
|
STM32_SDMMC3_BASE
|
|
};
|
|
|
|
if (instance > ARRAY_SIZE(sdmmc_addr))
|
|
return 0;
|
|
|
|
/* search associated sdmmc node in devicetree */
|
|
snprintf(cmd, sizeof(cmd), "mmc@%x", sdmmc_addr[instance]);
|
|
if (uclass_get_device_by_name(UCLASS_MMC, cmd, &dev)) {
|
|
log_err("mmc%d = %s not found in device tree!\n", instance, cmd);
|
|
return 0;
|
|
}
|
|
|
|
return dev_seq(dev);
|
|
};
|
|
|
|
const char *env_ext4_get_dev_part(void)
|
|
{
|
|
static char *const env_dev_part =
|
|
#ifdef CONFIG_ENV_EXT4_DEVICE_AND_PART
|
|
CONFIG_ENV_EXT4_DEVICE_AND_PART;
|
|
#else
|
|
"";
|
|
#endif
|
|
static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"};
|
|
|
|
if (strlen(env_dev_part) > 0)
|
|
return env_dev_part;
|
|
|
|
return dev_part[mmc_get_boot()];
|
|
}
|
|
|
|
int mmc_get_env_dev(void)
|
|
{
|
|
const int mmc_env_dev = CONFIG_IS_ENABLED(ENV_IS_IN_MMC, (CONFIG_SYS_MMC_ENV_DEV), (-1));
|
|
|
|
if (mmc_env_dev >= 0)
|
|
return mmc_env_dev;
|
|
|
|
/* use boot instance to select the correct mmc device identifier */
|
|
return mmc_get_boot();
|
|
}
|
|
|
|
#if defined(CONFIG_OF_BOARD_SETUP)
|
|
int ft_board_setup(void *blob, struct bd_info *bd)
|
|
{
|
|
static const struct node_info nodes[] = {
|
|
{ "st,stm32f469-qspi", MTD_DEV_TYPE_NOR, },
|
|
{ "st,stm32f469-qspi", MTD_DEV_TYPE_SPINAND},
|
|
{ "st,stm32mp15-fmc2", MTD_DEV_TYPE_NAND, },
|
|
{ "st,stm32mp1-fmc2-nfc", MTD_DEV_TYPE_NAND, },
|
|
};
|
|
char *boot_device;
|
|
|
|
/* Check the boot-source and don't update MTD for serial or usb boot */
|
|
boot_device = env_get("boot_device");
|
|
if (!boot_device ||
|
|
(strcmp(boot_device, "serial") && strcmp(boot_device, "usb")))
|
|
if (IS_ENABLED(CONFIG_FDT_FIXUP_PARTITIONS))
|
|
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
|
|
|
|
if (CONFIG_IS_ENABLED(FDT_SIMPLEFB))
|
|
fdt_simplefb_enable_and_mem_rsv(blob);
|
|
|
|
return 0;
|
|
}
|
|
#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()) {
|
|
log_err("Remote Processor %d initialization failed\n",
|
|
id);
|
|
return;
|
|
}
|
|
|
|
ret = rproc_load(id, fw_image, fw_size);
|
|
log_err("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);
|