GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/board/samsung/common/Makefile

@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2012 Samsung Electronics
+# Lukasz Majewski <l.majewski@samsung.com>
+
+obj-$(CONFIG_USB_GADGET_DOWNLOAD) += gadget.o
+obj-$(CONFIG_MISC_COMMON) += misc.o
+
+ifndef CONFIG_SPL_BUILD
+obj-$(CONFIG_BOARD_COMMON)	+= board.o
+ifdef CONFIG_EXYNOS5_DT
+obj-y += exynos5-dt.o
+obj-$(CONFIG_BOARD_TYPES) += exynos5-dt-types.o
+endif
+endif

source/bootloader/u-boot-2020.01/board/samsung/common/board.c

@@ -0,0 +1,361 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2013 SAMSUNG Electronics
+ * Rajeshwari Shinde <rajeshwari.s@samsung.com>
+ */
+
+#include <common.h>
+#include <cros_ec.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <init.h>
+#include <spi.h>
+#include <tmu.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/arch/board.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/dwmmc.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/power.h>
+#include <asm/arch/system.h>
+#include <asm/arch/sromc.h>
+#include <lcd.h>
+#include <i2c.h>
+#include <usb.h>
+#include <dwc3-uboot.h>
+#include <samsung/misc.h>
+#include <dm/pinctrl.h>
+#include <dm.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+__weak int exynos_early_init_f(void)
+{
+	return 0;
+}
+
+__weak int exynos_power_init(void)
+{
+	return 0;
+}
+
+#if defined CONFIG_EXYNOS_TMU
+/* Boot Time Thermal Analysis for SoC temperature threshold breach */
+static void boot_temp_check(void)
+{
+	int temp;
+
+	switch (tmu_monitor(&temp)) {
+	case TMU_STATUS_NORMAL:
+		break;
+	case TMU_STATUS_TRIPPED:
+		/*
+		 * Status TRIPPED ans WARNING means corresponding threshold
+		 * breach
+		 */
+		puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
+		set_ps_hold_ctrl();
+		hang();
+		break;
+	case TMU_STATUS_WARNING:
+		puts("EXYNOS_TMU: WARNING! Temperature very high\n");
+		break;
+	case TMU_STATUS_INIT:
+		/*
+		 * TMU_STATUS_INIT means something is wrong with temperature
+		 * sensing and TMU status was changed back from NORMAL to INIT.
+		 */
+		puts("EXYNOS_TMU: WARNING! Temperature sensing not done\n");
+		break;
+	default:
+		debug("EXYNOS_TMU: Unknown TMU state\n");
+	}
+}
+#endif
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
+#if defined CONFIG_EXYNOS_TMU
+	if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) {
+		debug("%s: Failed to init TMU\n", __func__);
+		return -1;
+	}
+	boot_temp_check();
+#endif
+#ifdef CONFIG_TZSW_RESERVED_DRAM_SIZE
+	/* The last few MB of memory can be reserved for secure firmware */
+	ulong size = CONFIG_TZSW_RESERVED_DRAM_SIZE;
+
+	gd->ram_size -= size;
+	gd->bd->bi_dram[CONFIG_NR_DRAM_BANKS - 1].size -= size;
+#endif
+	return exynos_init();
+}
+
+int dram_init(void)
+{
+	unsigned int i;
+	unsigned long addr;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+		gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+	}
+	return 0;
+}
+
+int dram_init_banksize(void)
+{
+	unsigned int i;
+	unsigned long addr, size;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+		size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+
+		gd->bd->bi_dram[i].start = addr;
+		gd->bd->bi_dram[i].size = size;
+	}
+
+	return 0;
+}
+
+static int board_uart_init(void)
+{
+#ifndef CONFIG_PINCTRL_EXYNOS
+	int err, uart_id, ret = 0;
+
+	for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
+		err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
+		if (err) {
+			debug("UART%d not configured\n",
+			      (uart_id - PERIPH_ID_UART0));
+			ret |= err;
+		}
+	}
+	return ret;
+#else
+	return 0;
+#endif
+}
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+	int err;
+#ifdef CONFIG_BOARD_TYPES
+	set_board_type();
+#endif
+	err = board_uart_init();
+	if (err) {
+		debug("UART init failed\n");
+		return err;
+	}
+
+#ifdef CONFIG_SYS_I2C_INIT_BOARD
+	board_i2c_init(gd->fdt_blob);
+#endif
+
+	return exynos_early_init_f();
+}
+#endif
+
+#if defined(CONFIG_POWER) || defined(CONFIG_DM_PMIC)
+int power_init_board(void)
+{
+	set_ps_hold_ctrl();
+
+	return exynos_power_init();
+}
+#endif
+
+#ifdef CONFIG_SMC911X
+static int decode_sromc(const void *blob, struct fdt_sromc *config)
+{
+	int err;
+	int node;
+
+	node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
+	if (node < 0) {
+		debug("Could not find SROMC node\n");
+		return node;
+	}
+
+	config->bank = fdtdec_get_int(blob, node, "bank", 0);
+	config->width = fdtdec_get_int(blob, node, "width", 2);
+
+	err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
+			FDT_SROM_TIMING_COUNT);
+	if (err < 0) {
+		debug("Could not decode SROMC configuration Error: %s\n",
+		      fdt_strerror(err));
+		return -FDT_ERR_NOTFOUND;
+	}
+	return 0;
+}
+#endif
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_SMC911X
+	u32 smc_bw_conf, smc_bc_conf;
+	struct fdt_sromc config;
+	fdt_addr_t base_addr;
+	int node;
+
+	node = decode_sromc(gd->fdt_blob, &config);
+	if (node < 0) {
+		debug("%s: Could not find sromc configuration\n", __func__);
+		return 0;
+	}
+	node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
+	if (node < 0) {
+		debug("%s: Could not find lan9215 configuration\n", __func__);
+		return 0;
+	}
+
+	/* We now have a node, so any problems from now on are errors */
+	base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
+	if (base_addr == FDT_ADDR_T_NONE) {
+		debug("%s: Could not find lan9215 address\n", __func__);
+		return -1;
+	}
+
+	/* Ethernet needs data bus width of 16 bits */
+	if (config.width != 2) {
+		debug("%s: Unsupported bus width %d\n", __func__,
+		      config.width);
+		return -1;
+	}
+	smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
+			| SROMC_BYTE_ENABLE(config.bank);
+
+	smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS])   |
+			SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
+			SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
+			SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
+			SROMC_BC_TAH(config.timing[FDT_SROM_TAH])   |
+			SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
+			SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
+
+	/* Select and configure the SROMC bank */
+	exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
+	s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
+	return smc911x_initialize(0, base_addr);
+#endif
+	return 0;
+}
+
+#if defined(CONFIG_DISPLAY_BOARDINFO) || defined(CONFIG_DISPLAY_BOARDINFO_LATE)
+int checkboard(void)
+{
+	if (IS_ENABLED(CONFIG_BOARD_TYPES)) {
+		const char *board_info;
+
+		if (IS_ENABLED(CONFIG_DISPLAY_BOARDINFO_LATE)) {
+			/*
+			 * Printing type requires having revision, although
+			 * this will succeed only if done late.
+			 * Otherwise revision will be set in misc_init_r().
+			 */
+			set_board_revision();
+		}
+
+		board_info = get_board_type();
+
+		if (board_info)
+			printf("Type:  %s\n", board_info);
+	}
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+	struct udevice *dev;
+	int ret;
+
+	stdio_print_current_devices();
+	ret = uclass_first_device_err(UCLASS_CROS_EC, &dev);
+	if (ret && ret != -ENODEV) {
+		/* Force console on */
+		gd->flags &= ~GD_FLG_SILENT;
+
+		printf("cros-ec communications failure %d\n", ret);
+		puts("\nPlease reset with Power+Refresh\n\n");
+		panic("Cannot init cros-ec device");
+		return -1;
+	}
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+	if (IS_ENABLED(CONFIG_BOARD_TYPES) &&
+	    !IS_ENABLED(CONFIG_DISPLAY_BOARDINFO_LATE)) {
+		/*
+		 * If revision was not set by late display boardinfo,
+		 * set it here. At this point regulators should be already
+		 * available.
+		 */
+		set_board_revision();
+	}
+
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+	set_board_info();
+#endif
+#ifdef CONFIG_LCD_MENU
+	keys_init();
+	check_boot_mode();
+#endif
+#ifdef CONFIG_CMD_BMP
+	if (panel_info.logo_on)
+		draw_logo();
+#endif
+	return 0;
+}
+#endif
+
+void reset_misc(void)
+{
+	struct gpio_desc gpio = {};
+	int node;
+
+	node = fdt_node_offset_by_compatible(gd->fdt_blob, 0,
+			"samsung,emmc-reset");
+	if (node < 0)
+		return;
+
+	gpio_request_by_name_nodev(offset_to_ofnode(node), "reset-gpio", 0,
+				   &gpio, GPIOD_IS_OUT);
+
+	if (dm_gpio_is_valid(&gpio)) {
+		/*
+		 * Reset eMMC
+		 *
+		 * FIXME: Need to optimize delay time. Minimum 1usec pulse is
+		 *	  required by 'JEDEC Standard No.84-A441' (eMMC)
+		 *	  document but real delay time is expected to greater
+		 *	  than 1usec.
+		 */
+		dm_gpio_set_value(&gpio, 0);
+		mdelay(10);
+		dm_gpio_set_value(&gpio, 1);
+	}
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
+#ifdef CONFIG_USB_DWC3
+	dwc3_uboot_exit(index);
+#endif
+	return 0;
+}

source/bootloader/u-boot-2020.01/board/samsung/common/bootscripts/autoboot.cmd

@@ -0,0 +1,92 @@
+# This is an example file to generate boot.scr - a boot script for U-Boot
+# Generate boot.scr:
+# ./tools/mkimage -c none -A arm -T script -d autoboot.cmd boot.scr
+#
+# It requires a list of environment variables to be defined before load:
+# platform dependent: board_name, fdtfile, console
+# system dependent: mmcbootdev, mmcbootpart, mmcrootdev, mmcrootpart, rootfstype
+#
+setenv fdtaddr     "40800000"
+setenv initrdname  "uInitrd"
+setenv initrdaddr  "42000000"
+setenv loaddtb     "load mmc ${mmcbootdev}:${mmcbootpart} ${fdtaddr} ${fdtfile}"
+setenv loadinitrd  "load mmc ${mmcbootdev}:${mmcbootpart} ${initrdaddr} ${initrdname}"
+setenv loadkernel  "load mmc ${mmcbootdev}:${mmcbootpart} '${kerneladdr}' '${kernelname}'"
+setenv kernel_args "setenv bootargs ${console} root=/dev/mmcblk${mmcrootdev}p${mmcrootpart} rootfstype=${rootfstype} rootwait ${opts}"
+
+#### Routine: check_dtb - check that target.dtb exists on boot partition
+setenv check_dtb "
+if test -e mmc '${mmcbootdev}':'${mmcbootpart}' '${fdtfile}'; then
+	run loaddtb;
+	setenv fdt_addr ${fdtaddr};
+else
+	echo Warning! Booting without DTB: '${fdtfile}'!;
+	setenv fdt_addr;
+fi;"
+
+#### Routine: check_ramdisk - check that uInitrd exists on boot partition
+setenv check_ramdisk "
+if test -e mmc '${mmcbootdev}':'${mmcbootpart}' '${initrdname}'; then
+	echo "Found ramdisk image.";
+	run loadinitrd;
+	setenv initrd_addr ${initrdaddr};
+else
+	echo Warning! Booting without RAMDISK: '${initrdname}'!;
+	setenv initrd_addr -;
+fi;"
+
+#### Routine: boot_fit - check that env $board_name is set and boot proper config of ITB image
+setenv setboot_fit "
+if test -e '${board_name}'; then
+	setenv fdt_addr ;
+	setenv initrd_addr ;
+	setenv kerneladdr  0x42000000;
+	setenv kernelname  Image.itb;
+	setenv itbcfg      "\"#${board_name}\"";
+	setenv imgbootcmd  bootm;
+else
+	echo Warning! Variable: \$board_name is undefined!;
+fi"
+
+#### Routine: setboot_uimg - prepare env to boot uImage
+setenv setboot_uimg "
+	setenv kerneladdr 0x40007FC0;
+	setenv kernelname uImage;
+	setenv itbcfg     ;
+	setenv imgbootcmd bootm;
+	run check_dtb;
+	run check_ramdisk;"
+
+#### Routine: setboot_zimg - prepare env to boot zImage
+setenv setboot_zimg "
+	setenv kerneladdr 0x40007FC0;
+	setenv kernelname zImage;
+	setenv itbcfg     ;
+	setenv imgbootcmd bootz;
+	run check_dtb;
+	run check_ramdisk;"
+
+#### Routine: boot_img - boot the kernel after env setup
+setenv boot_img "
+	run loadkernel;
+	run kernel_args;
+	'${imgbootcmd}' '${kerneladdr}${itbcfg}' '${initrd_addr}' '${fdt_addr}';"
+
+#### Routine: autoboot - choose proper boot path
+setenv autoboot "
+if test -e mmc ${mmcbootdev}:${mmcbootpart} Image.itb; then
+	echo Found kernel image: Image.itb;
+	run setboot_fit;
+	run boot_img;
+elif test -e mmc ${mmcbootdev}:${mmcbootpart} zImage; then
+	echo Found kernel image: zImage;
+	run setboot_zimg;
+	run boot_img;
+elif test -e mmc ${mmcbootdev}:${mmcbootpart} uImage; then
+	echo Found kernel image: uImage;
+	run setboot_uimg;
+	run boot_img;
+fi;"
+
+#### Execute the defined autoboot macro
+run autoboot

source/bootloader/u-boot-2020.01/board/samsung/common/bootscripts/bootzimg.cmd

@@ -0,0 +1,10 @@
+setenv kernelname zImage;
+setenv boot_kernel "setenv bootargs \"${console} root=/dev/mmcblk${mmcrootdev}p${mmcrootpart} rootfstype=${rootfstype} rootwait ${opts}\";
+load mmc ${mmcbootdev}:${mmcbootpart} 0x40007FC0 '${kernelname}';
+if load mmc ${mmcbootdev}:${mmcbootpart} 40800000 ${fdtfile}; then
+	bootz 0x40007FC0 - 40800000;
+else
+	echo Warning! Booting without DTB: '${fdtfile}'!;
+	bootz 0x40007FC0 -;
+fi;"
+run boot_kernel;

source/bootloader/u-boot-2020.01/board/samsung/common/dfu_sample_env.txt

@@ -0,0 +1,9 @@
+mmcboot=setenv bootargs root=/dev/mmcblk${mmcdev}p${mmcrootpart} ${rootfstype} rootwait ${console}; run loaduimage; bootm 0x40007FC0
+rootfstype=ext4
+loaduimage=ext4load mmc ${mmcdev}:${mmcbootpart} 0x40007FC0 uImage
+mmcdev=0
+mmcbootpart=2
+mmcrootpart=5
+console=console=ttySAC2,115200n8
+bootcmd=run mmcboot
+dfu_alt_info=u-boot mmc 80 800;params.bin mmc 0x38 0x8;uImage ext4 0 2

source/bootloader/u-boot-2020.01/board/samsung/common/exynos-uboot-spl.lds

@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ *
+ * Based on arch/arm/cpu/armv7/omap-common/u-boot-spl.lds
+ */
+
+MEMORY { .sram : ORIGIN = IMAGE_TEXT_BASE, \
+		LENGTH = CONFIG_SPL_MAX_FOOTPRINT }
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+
+SECTIONS
+{
+	.text :
+	{
+		__start = .;
+		*(.vectors)
+		arch/arm/cpu/armv7/start.o (.text*)
+		*(.text*)
+	} >.sram
+	. = ALIGN(4);
+
+	.rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram
+	. = ALIGN(4);
+
+	.data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram
+	. = ALIGN(4);
+
+	.u_boot_list : {
+		KEEP(*(SORT(.u_boot_list*)));
+	} >.sram
+	. = ALIGN(4);
+
+	.machine_param : { *(.machine_param) } >.sram
+	. = ALIGN(4);
+
+	__image_copy_end = .;
+
+	.end :
+	{
+		*(.__end)
+	} >.sram
+
+	.bss :
+	{
+		. = ALIGN(4);
+		__bss_start = .;
+		*(.bss*)
+		. = ALIGN(4);
+		__bss_end = .;
+	} >.sram
+}

source/bootloader/u-boot-2020.01/board/samsung/common/exynos5-dt-types.c

@@ -0,0 +1,264 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015 Samsung Electronics
+ * Przemyslaw Marczak <p.marczak@samsung.com>
+ */
+
+#include <common.h>
+#include <adc.h>
+#include <dm.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <power/pmic.h>
+#include <power/regulator.h>
+#include <power/s2mps11.h>
+#include <samsung/exynos5-dt-types.h>
+#include <samsung/misc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct udevice_id board_ids[] = {
+	{ .compatible = "samsung,odroidxu3", .data = EXYNOS5_BOARD_ODROID_XU3 },
+	{ .compatible = "samsung,exynos5", .data = EXYNOS5_BOARD_GENERIC },
+	{ },
+};
+
+/**
+ * Odroix XU3/XU4/HC1/HC2 board revisions (from HC1+_HC2_MAIN_REV0.1_20171017.pdf):
+ * Rev   ADCmax  Board
+ * 0.1     0     XU3 0.1
+ * 0.2   372     XU3 0.2 | XU3L - no DISPLAYPORT (probe I2C0:0x40 / INA231)
+ * 0.3  1280     XU4 0.1
+ * 0.4   739     XU4 0.2
+ * 0.5  1016     XU4+Air0.1 (Passive cooling)
+ * 0.6  1309     XU4-HC1 0.1
+ * 0.7  1470     XU4-HC1+ 0.1 (HC2)
+ * Use +1% for ADC value tolerance in the array below, the code loops until
+ * the measured ADC value is lower than then ADCmax from the array.
+ */
+struct odroid_rev_info odroid_info[] = {
+	{ EXYNOS5_BOARD_ODROID_XU3_REV01, 1, 10, "xu3" },
+	{ EXYNOS5_BOARD_ODROID_XU3_REV02, 2, 375, "xu3" },
+	{ EXYNOS5_BOARD_ODROID_XU4_REV01, 1, 1293, "xu4" },
+	{ EXYNOS5_BOARD_ODROID_HC1_REV01, 1, 1322, "hc1" },
+	{ EXYNOS5_BOARD_ODROID_HC2_REV01, 1, 1484, "hc1" },
+	{ EXYNOS5_BOARD_ODROID_UNKNOWN, 0, 4095, "unknown" },
+};
+
+static unsigned int odroid_get_rev(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(odroid_info); i++) {
+		if (odroid_info[i].board_type == gd->board_type)
+			return odroid_info[i].board_rev;
+	}
+
+	return 0;
+}
+
+/*
+ * Read ADC at least twice and check the resuls.  If regulator providing voltage
+ * on to measured point was just turned on, first reads might require time
+ * to stabilize.
+ */
+static int odroid_get_adc_val(unsigned int *adcval)
+{
+	unsigned int adcval_prev = 0;
+	int ret, retries = 20;
+
+	ret = adc_channel_single_shot("adc", CONFIG_ODROID_REV_AIN,
+				      &adcval_prev);
+	if (ret)
+		return ret;
+
+	while (retries--) {
+		mdelay(5);
+
+		ret = adc_channel_single_shot("adc", CONFIG_ODROID_REV_AIN,
+					      adcval);
+		if (ret)
+			return ret;
+
+		/*
+		 * If difference between ADC reads is less than 3%,
+		 * accept the result
+		 */
+		if ((100 * abs(*adcval - adcval_prev) / adcval_prev) < 3)
+			return ret;
+
+		adcval_prev = *adcval;
+	}
+
+	return ret;
+}
+
+static int odroid_get_board_type(void)
+{
+	unsigned int adcval;
+	int ret, i;
+
+	ret = odroid_get_adc_val(&adcval);
+	if (ret)
+		goto rev_default;
+
+	for (i = 0; i < ARRAY_SIZE(odroid_info); i++) {
+		/* ADC tolerance: +1% */
+		if (adcval < odroid_info[i].adc_val)
+			return odroid_info[i].board_type;
+	}
+
+rev_default:
+	return EXYNOS5_BOARD_ODROID_XU3;
+}
+
+/**
+ * odroid_get_type_str - returns pointer to one of the board type string.
+ * Board types: "xu3", "xu3-lite", "xu4". However the "xu3lite" can be
+ * detected only when the i2c controller is ready to use. Fortunately,
+ * XU3 and XU3L are compatible, and the information about board lite
+ * revision is needed before booting the linux, to set proper environment
+ * variable: $fdtfile.
+ */
+static const char *odroid_get_type_str(void)
+{
+	const char *type_xu3l = "xu3-lite";
+	struct udevice *dev, *chip;
+	int i, ret;
+
+	if (gd->board_type != EXYNOS5_BOARD_ODROID_XU3_REV02)
+		goto exit;
+
+	ret = pmic_get("s2mps11", &dev);
+	if (ret)
+		goto exit;
+
+	/* Enable LDO26: 3.0V */
+	ret = pmic_reg_write(dev, S2MPS11_REG_L26CTRL,
+			     S2MPS11_LDO26_ENABLE);
+	if (ret)
+		goto exit;
+
+	/* Check XU3Lite by probe INA231 I2C0:0x40 */
+	ret = uclass_get_device(UCLASS_I2C, 0, &dev);
+	if (ret)
+		goto exit;
+
+	ret = dm_i2c_probe(dev, 0x40, 0x0, &chip);
+	if (ret)
+		return type_xu3l;
+
+exit:
+	for (i = 0; i < ARRAY_SIZE(odroid_info); i++) {
+		if (odroid_info[i].board_type == gd->board_type)
+			return odroid_info[i].name;
+	}
+
+	return NULL;
+}
+
+bool board_is_odroidxu3(void)
+{
+	if (gd->board_type >= EXYNOS5_BOARD_ODROID_XU3 &&
+	    gd->board_type <= EXYNOS5_BOARD_ODROID_XU3_REV02)
+		return true;
+
+	return false;
+}
+
+bool board_is_odroidxu4(void)
+{
+	if (gd->board_type == EXYNOS5_BOARD_ODROID_XU4_REV01)
+		return true;
+
+	return false;
+}
+
+bool board_is_odroidhc1(void)
+{
+	if (gd->board_type == EXYNOS5_BOARD_ODROID_HC1_REV01)
+		return true;
+
+	return false;
+}
+
+bool board_is_odroidhc2(void)
+{
+	if (gd->board_type == EXYNOS5_BOARD_ODROID_HC2_REV01)
+		return true;
+
+	return false;
+}
+
+bool board_is_generic(void)
+{
+	if (gd->board_type == EXYNOS5_BOARD_GENERIC)
+		return true;
+
+	return false;
+}
+
+/**
+ * get_board_rev() - return detected board revision.
+ *
+ * @return:  return board revision number for XU3 or 0 for generic
+ */
+u32 get_board_rev(void)
+{
+	if (board_is_generic())
+		return 0;
+
+	return odroid_get_rev();
+}
+
+/**
+ * get_board_type() - returns board type string.
+ *
+ * @return:  return board type string for XU3 or empty string for generic
+ */
+const char *get_board_type(void)
+{
+	const char *generic = "";
+
+	if (board_is_generic())
+		return generic;
+
+	return odroid_get_type_str();
+}
+
+/**
+ * set_board_type() - set board type in gd->board_type.
+ * As default type set EXYNOS5_BOARD_GENERIC. If Odroid is detected,
+ * set its proper type based on device tree.
+ *
+ * This might be called early when some more specific ways to detect revision
+ * are not yet available.
+ */
+void set_board_type(void)
+{
+	const struct udevice_id *of_match = board_ids;
+	int ret;
+
+	gd->board_type = EXYNOS5_BOARD_GENERIC;
+
+	while (of_match->compatible) {
+		ret = fdt_node_check_compatible(gd->fdt_blob, 0,
+						of_match->compatible);
+		if (ret)
+			of_match++;
+
+		gd->board_type = of_match->data;
+		break;
+	}
+}
+
+/**
+ * set_board_revision() - set detailed board type in gd->board_type.
+ * Should be called when resources (e.g. regulators) are available
+ * so ADC can be used to detect the specific revision of a board.
+ */
+void set_board_revision(void)
+{
+	if (board_is_odroidxu3())
+		gd->board_type = odroid_get_board_type();
+}

source/bootloader/u-boot-2020.01/board/samsung/common/exynos5-dt.c

@@ -0,0 +1,186 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dwc3-uboot.h>
+#include <env.h>
+#include <fdtdec.h>
+#include <asm/io.h>
+#include <errno.h>
+#include <i2c.h>
+#include <mmc.h>
+#include <netdev.h>
+#include <samsung-usb-phy-uboot.h>
+#include <spi.h>
+#include <usb.h>
+#include <video_bridge.h>
+#include <asm/gpio.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/dwmmc.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/power.h>
+#include <asm/arch/sromc.h>
+#include <power/pmic.h>
+#include <power/max77686_pmic.h>
+#include <power/regulator.h>
+#include <power/s2mps11.h>
+#include <power/s5m8767.h>
+#include <samsung/exynos5-dt-types.h>
+#include <samsung/misc.h>
+#include <tmu.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int exynos_init(void)
+{
+	return 0;
+}
+
+static int exynos_set_regulator(const char *name, uint uv)
+{
+	struct udevice *dev;
+	int ret;
+
+	ret = regulator_get_by_platname(name, &dev);
+	if (ret) {
+		debug("%s: Cannot find regulator %s\n", __func__, name);
+		return ret;
+	}
+	ret = regulator_set_value(dev, uv);
+	if (ret) {
+		debug("%s: Cannot set regulator %s\n", __func__, name);
+		return ret;
+	}
+
+	return 0;
+}
+
+int exynos_power_init(void)
+{
+	struct udevice *dev;
+	int ret;
+
+#ifdef CONFIG_PMIC_S2MPS11
+	ret = pmic_get("s2mps11_pmic", &dev);
+#else
+	ret = pmic_get("max77686", &dev);
+	if (!ret) {
+		/* TODO(sjg@chromium.org): Move into the clock/pmic API */
+		ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_32KHZ, 0,
+				MAX77686_32KHCP_EN);
+		if (ret)
+			return ret;
+		ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_BBAT, 0,
+				MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V);
+		if (ret)
+			return ret;
+	} else {
+		ret = pmic_get("s5m8767-pmic", &dev);
+		/* TODO(sjg@chromium.org): Use driver model to access clock */
+#ifdef CONFIG_PMIC_S5M8767
+		if (!ret)
+			s5m8767_enable_32khz_cp(dev);
+#endif
+	}
+#endif	/* CONFIG_PMIC_S2MPS11 */
+	if (ret == -ENODEV)
+		return 0;
+
+	ret = regulators_enable_boot_on(false);
+	if (ret)
+		return ret;
+
+	ret = exynos_set_regulator("vdd_mif", 1100000);
+	if (ret)
+		return ret;
+
+	ret = exynos_set_regulator("vdd_arm", 1300000);
+	if (ret)
+		return ret;
+	ret = exynos_set_regulator("vdd_int", 1012500);
+	if (ret)
+		return ret;
+	ret = exynos_set_regulator("vdd_g3d", 1200000);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+int board_get_revision(void)
+{
+	return 0;
+}
+
+#ifdef CONFIG_USB_DWC3
+static struct dwc3_device dwc3_device_data = {
+	.maximum_speed = USB_SPEED_SUPER,
+	.base = 0x12400000,
+	.dr_mode = USB_DR_MODE_PERIPHERAL,
+	.index = 0,
+};
+
+int usb_gadget_handle_interrupts(void)
+{
+	dwc3_uboot_handle_interrupt(0);
+	return 0;
+}
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+	struct exynos_usb3_phy *phy = (struct exynos_usb3_phy *)
+		samsung_get_base_usb3_phy();
+
+	if (!phy) {
+		pr_err("usb3 phy not supported\n");
+		return -ENODEV;
+	}
+
+	set_usbdrd_phy_ctrl(POWER_USB_DRD_PHY_CTRL_EN);
+	exynos5_usb3_phy_init(phy);
+
+	return dwc3_uboot_init(&dwc3_device_data);
+}
+#endif
+#ifdef CONFIG_SET_DFU_ALT_INFO
+char *get_dfu_alt_system(char *interface, char *devstr)
+{
+	char *info = "Not supported!";
+
+	if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
+		return info;
+
+	return env_get("dfu_alt_system");
+}
+
+char *get_dfu_alt_boot(char *interface, char *devstr)
+{
+	char *info = "Not supported!";
+	struct mmc *mmc;
+	char *alt_boot;
+	int dev_num;
+
+	if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
+		return info;
+
+	dev_num = simple_strtoul(devstr, NULL, 10);
+
+	mmc = find_mmc_device(dev_num);
+	if (!mmc)
+		return NULL;
+
+	if (mmc_init(mmc))
+		return NULL;
+
+	if (IS_SD(mmc))
+		alt_boot = CONFIG_DFU_ALT_BOOT_SD;
+	else
+		alt_boot = CONFIG_DFU_ALT_BOOT_EMMC;
+
+	return alt_boot;
+}
+#endif

source/bootloader/u-boot-2020.01/board/samsung/common/gadget.c

@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ *  Copyright (C) 2013 Samsung Electronics
+ *  Lukasz Majewski <l.majewski@samsung.com>
+ */
+
+#include <common.h>
+#include <linux/usb/ch9.h>
+
+int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
+{
+	if (!strcmp(name, "usb_dnl_thor")) {
+		put_unaligned(CONFIG_G_DNL_THOR_VENDOR_NUM, &dev->idVendor);
+		put_unaligned(CONFIG_G_DNL_THOR_PRODUCT_NUM, &dev->idProduct);
+	} else if (!strcmp(name, "usb_dnl_ums")) {
+		put_unaligned(CONFIG_G_DNL_UMS_VENDOR_NUM, &dev->idVendor);
+		put_unaligned(CONFIG_G_DNL_UMS_PRODUCT_NUM, &dev->idProduct);
+	} else {
+		put_unaligned(CONFIG_USB_GADGET_VENDOR_NUM, &dev->idVendor);
+		put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM, &dev->idProduct);
+	}
+	return 0;
+}

source/bootloader/u-boot-2020.01/board/samsung/common/misc.c

@@ -0,0 +1,483 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ * Przemyslaw Marczak <p.marczak@samsung.com>
+ */
+
+#include <common.h>
+#include <command.h>
+#include <env.h>
+#include <lcd.h>
+#include <libtizen.h>
+#include <samsung/misc.h>
+#include <errno.h>
+#include <version.h>
+#include <malloc.h>
+#include <memalign.h>
+#include <linux/sizes.h>
+#include <asm/arch/cpu.h>
+#include <asm/gpio.h>
+#include <linux/input.h>
+#include <dm.h>
+/*
+ * Use #ifdef to work around conflicting headers while we wait for this to be
+ * converted to driver model.
+ */
+#ifdef CONFIG_DM_PMIC_MAX77686
+#include <power/max77686_pmic.h>
+#endif
+#ifdef CONFIG_DM_PMIC_MAX8998
+#include <power/max8998_pmic.h>
+#endif
+#ifdef CONFIG_PMIC_MAX8997
+#include <power/max8997_pmic.h>
+#endif
+#include <power/pmic.h>
+#include <mmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_SET_DFU_ALT_INFO
+void set_dfu_alt_info(char *interface, char *devstr)
+{
+	size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
+	ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
+	char *alt_info = "Settings not found!";
+	char *status = "error!\n";
+	char *alt_setting;
+	char *alt_sep;
+	int offset = 0;
+
+	puts("DFU alt info setting: ");
+
+	alt_setting = get_dfu_alt_boot(interface, devstr);
+	if (alt_setting) {
+		env_set("dfu_alt_boot", alt_setting);
+		offset = snprintf(buf, buf_size, "%s", alt_setting);
+	}
+
+	alt_setting = get_dfu_alt_system(interface, devstr);
+	if (alt_setting) {
+		if (offset)
+			alt_sep = ";";
+		else
+			alt_sep = "";
+
+		offset += snprintf(buf + offset, buf_size - offset,
+				    "%s%s", alt_sep, alt_setting);
+	}
+
+	if (offset) {
+		alt_info = buf;
+		status = "done\n";
+	}
+
+	env_set("dfu_alt_info", alt_info);
+	puts(status);
+}
+#endif
+
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+void set_board_info(void)
+{
+	char info[64];
+
+	snprintf(info, ARRAY_SIZE(info), "%u.%u", (s5p_cpu_rev & 0xf0) >> 4,
+		 s5p_cpu_rev & 0xf);
+	env_set("soc_rev", info);
+
+	snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
+	env_set("soc_id", info);
+
+#ifdef CONFIG_REVISION_TAG
+	snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
+	env_set("board_rev", info);
+#endif
+#ifdef CONFIG_OF_LIBFDT
+	const char *bdtype = "";
+	const char *bdname = CONFIG_SYS_BOARD;
+
+#ifdef CONFIG_BOARD_TYPES
+	bdtype = get_board_type();
+	if (!bdtype)
+		bdtype = "";
+
+	sprintf(info, "%s%s", bdname, bdtype);
+	env_set("board_name", info);
+#endif
+	snprintf(info, ARRAY_SIZE(info),  "%s%x-%s%s.dtb",
+		 CONFIG_SYS_SOC, s5p_cpu_id, bdname, bdtype);
+	env_set("fdtfile", info);
+#endif
+}
+#endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
+
+#ifdef CONFIG_LCD_MENU
+static int power_key_pressed(u32 reg)
+{
+#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
+	struct pmic *pmic;
+	u32 status;
+	u32 mask;
+
+	pmic = pmic_get(KEY_PWR_PMIC_NAME);
+	if (!pmic) {
+		printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
+		return 0;
+	}
+
+	if (pmic_probe(pmic))
+		return 0;
+
+	if (reg == KEY_PWR_STATUS_REG)
+		mask = KEY_PWR_STATUS_MASK;
+	else
+		mask = KEY_PWR_INTERRUPT_MASK;
+
+	if (pmic_reg_read(pmic, reg, &status))
+		return 0;
+
+	return !!(status & mask);
+#else
+	return 0;
+#endif
+}
+
+static int key_pressed(int key)
+{
+	int value;
+
+	switch (key) {
+	case KEY_POWER:
+		value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
+		break;
+	case KEY_VOLUMEUP:
+		value = !gpio_get_value(KEY_VOL_UP_GPIO);
+		break;
+	case KEY_VOLUMEDOWN:
+		value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
+		break;
+	default:
+		value = 0;
+		break;
+	}
+
+	return value;
+}
+
+#ifdef CONFIG_LCD
+static int check_keys(void)
+{
+	int keys = 0;
+
+	if (key_pressed(KEY_POWER))
+		keys += KEY_POWER;
+	if (key_pressed(KEY_VOLUMEUP))
+		keys += KEY_VOLUMEUP;
+	if (key_pressed(KEY_VOLUMEDOWN))
+		keys += KEY_VOLUMEDOWN;
+
+	return keys;
+}
+
+/*
+ * 0 BOOT_MODE_INFO
+ * 1 BOOT_MODE_THOR
+ * 2 BOOT_MODE_UMS
+ * 3 BOOT_MODE_DFU
+ * 4 BOOT_MODE_EXIT
+ */
+static char *
+mode_name[BOOT_MODE_EXIT + 1][2] = {
+	{"DEVICE", ""},
+	{"THOR", "thor"},
+	{"UMS", "ums"},
+	{"DFU", "dfu"},
+	{"GPT", "gpt"},
+	{"ENV", "env"},
+	{"EXIT", ""},
+};
+
+static char *
+mode_info[BOOT_MODE_EXIT + 1] = {
+	"info",
+	"downloader",
+	"mass storage",
+	"firmware update",
+	"restore",
+	"default",
+	"and run normal boot"
+};
+
+static char *
+mode_cmd[BOOT_MODE_EXIT + 1] = {
+	"",
+	"thor 0 mmc 0",
+	"ums 0 mmc 0",
+	"dfu 0 mmc 0",
+	"gpt write mmc 0 $partitions",
+	"env default -a; saveenv",
+	"",
+};
+
+static void display_board_info(void)
+{
+#ifdef CONFIG_MMC
+	struct mmc *mmc = find_mmc_device(0);
+#endif
+	vidinfo_t *vid = &panel_info;
+
+	lcd_position_cursor(4, 4);
+
+	lcd_printf("%s\n\t", U_BOOT_VERSION);
+	lcd_puts("\n\t\tBoard Info:\n");
+#ifdef CONFIG_SYS_BOARD
+	lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
+#endif
+#ifdef CONFIG_REVISION_TAG
+	lcd_printf("\tBoard rev: %u\n", get_board_rev());
+#endif
+	lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
+	lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
+
+#ifdef CONFIG_MMC
+	if (mmc) {
+		if (!mmc->capacity)
+			mmc_init(mmc);
+
+		lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
+	}
+#endif
+	if (vid)
+		lcd_printf("\tDisplay resolution: %u x % u\n",
+			   vid->vl_col, vid->vl_row);
+
+	lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
+}
+#endif
+
+static int mode_leave_menu(int mode)
+{
+#ifdef CONFIG_LCD
+	char *exit_option;
+	char *exit_reset = "reset";
+	char *exit_back = "back";
+	cmd_tbl_t *cmd;
+	int cmd_result;
+	int leave;
+
+	lcd_clear();
+
+	switch (mode) {
+	case BOOT_MODE_EXIT:
+		return 1;
+	case BOOT_MODE_INFO:
+		display_board_info();
+		exit_option = exit_back;
+		leave = 0;
+		break;
+	default:
+		cmd = find_cmd(mode_name[mode][1]);
+		if (cmd) {
+			printf("Enter: %s %s\n", mode_name[mode][0],
+			       mode_info[mode]);
+			lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
+				   mode_info[mode]);
+			lcd_puts("\n\tDo not turn off device before finish!\n");
+
+			cmd_result = run_command(mode_cmd[mode], 0);
+
+			if (cmd_result == CMD_RET_SUCCESS) {
+				printf("Command finished\n");
+				lcd_clear();
+				lcd_printf("\n\n\t%s finished\n",
+					   mode_name[mode][0]);
+
+				exit_option = exit_reset;
+				leave = 1;
+			} else {
+				printf("Command error\n");
+				lcd_clear();
+				lcd_printf("\n\n\t%s command error\n",
+					   mode_name[mode][0]);
+
+				exit_option = exit_back;
+				leave = 0;
+			}
+		} else {
+			lcd_puts("\n\n\tThis mode is not supported.\n");
+			exit_option = exit_back;
+			leave = 0;
+		}
+	}
+
+	lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
+
+	/* Clear PWR button Rising edge interrupt status flag */
+	power_key_pressed(KEY_PWR_INTERRUPT_REG);
+
+	/* Wait for PWR key */
+	while (!key_pressed(KEY_POWER))
+		mdelay(1);
+
+	lcd_clear();
+	return leave;
+#else
+	return 0;
+#endif
+}
+
+#ifdef CONFIG_LCD
+static void display_download_menu(int mode)
+{
+	char *selection[BOOT_MODE_EXIT + 1];
+	int i;
+
+	for (i = 0; i <= BOOT_MODE_EXIT; i++)
+		selection[i] = "[  ]";
+
+	selection[mode] = "[=>]";
+
+	lcd_clear();
+	lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
+
+	for (i = 0; i <= BOOT_MODE_EXIT; i++)
+		lcd_printf("\t%s  %s - %s\n\n", selection[i],
+			   mode_name[i][0], mode_info[i]);
+}
+#endif
+
+static void download_menu(void)
+{
+#ifdef CONFIG_LCD
+	int mode = 0;
+	int last_mode = 0;
+	int run;
+	int key = 0;
+	int timeout = 15; /* sec */
+	int i;
+
+	display_download_menu(mode);
+
+	lcd_puts("\n");
+
+	/* Start count if no key is pressed */
+	while (check_keys())
+		continue;
+
+	while (timeout--) {
+		lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
+			   timeout);
+
+		/* about 1000 ms in for loop */
+		for (i = 0; i < 10; i++) {
+			mdelay(100);
+			key = check_keys();
+			if (key)
+				break;
+		}
+		if (key)
+			break;
+	}
+
+	if (!key) {
+		lcd_clear();
+		return;
+	}
+
+	while (1) {
+		run = 0;
+
+		if (mode != last_mode)
+			display_download_menu(mode);
+
+		last_mode = mode;
+		mdelay(200);
+
+		key = check_keys();
+		switch (key) {
+		case KEY_POWER:
+			run = 1;
+			break;
+		case KEY_VOLUMEUP:
+			if (mode > 0)
+				mode--;
+			break;
+		case KEY_VOLUMEDOWN:
+			if (mode < BOOT_MODE_EXIT)
+				mode++;
+			break;
+		default:
+			break;
+		}
+
+		if (run) {
+			if (mode_leave_menu(mode))
+				run_command("reset", 0);
+
+			display_download_menu(mode);
+		}
+	}
+
+	lcd_clear();
+#endif
+}
+
+void check_boot_mode(void)
+{
+	int pwr_key;
+
+	pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
+	if (!pwr_key)
+		return;
+
+	/* Clear PWR button Rising edge interrupt status flag */
+	power_key_pressed(KEY_PWR_INTERRUPT_REG);
+
+	if (key_pressed(KEY_VOLUMEUP))
+		download_menu();
+	else if (key_pressed(KEY_VOLUMEDOWN))
+		mode_leave_menu(BOOT_MODE_THOR);
+}
+
+void keys_init(void)
+{
+	/* Set direction to input */
+	gpio_request(KEY_VOL_UP_GPIO, "volume-up");
+	gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
+	gpio_direction_input(KEY_VOL_UP_GPIO);
+	gpio_direction_input(KEY_VOL_DOWN_GPIO);
+}
+#endif /* CONFIG_LCD_MENU */
+
+#ifdef CONFIG_CMD_BMP
+void draw_logo(void)
+{
+	int x, y;
+	ulong addr;
+
+	addr = panel_info.logo_addr;
+	if (!addr) {
+		pr_err("There is no logo data.\n");
+		return;
+	}
+
+	if (panel_info.vl_width >= panel_info.logo_width) {
+		x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
+		x += panel_info.logo_x_offset; /* For X center align */
+	} else {
+		x = 0;
+		printf("Warning: image width is bigger than display width\n");
+	}
+
+	if (panel_info.vl_height >= panel_info.logo_height) {
+		y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
+		y += panel_info.logo_y_offset; /* For Y center align */
+	} else {
+		y = 0;
+		printf("Warning: image height is bigger than display height\n");
+	}
+
+	bmp_display(addr, x, y);
+}
+#endif /* CONFIG_CMD_BMP */