board/bosch/guardian/board.c - platform/external/u-boot - Gitiles

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * board.c
  *
  * Board functions for Bosch Guardian
  *
  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
  * Copyright (C) 2018 Robert Bosch Power Tools GmbH
  */

 #include <common.h>
 #include <dm.h>
 #include <env_internal.h>
 #include <errno.h>
 #include <i2c.h>
 #include <led.h>
 #include <panel.h>
 #include <linux/delay.h>
 #include <asm/global_data.h>
 #include <power/tps65217.h>
 #include <spl.h>
 #include <watchdog.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/ddr_defs.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/mem-guardian.h>
 #include <asm/arch/omap.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/emif.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
 #include <jffs2/load_kernel.h>
 #include <mtd.h>
 #include <nand.h>
 #include <video.h>
 #include <video_console.h>
 #include "board.h"

 DECLARE_GLOBAL_DATA_PTR;

 #if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT)
 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;

 static const struct ddr_data ddr3_data = {
 	.datardsratio0 = MT41K128M16JT125K_RD_DQS,
 	.datawdsratio0 = MT41K128M16JT125K_WR_DQS,
 	.datafwsratio0 = MT41K128M16JT125K_PHY_FIFO_WE,
 	.datawrsratio0 = MT41K128M16JT125K_PHY_WR_DATA,
 };

 static const struct cmd_control ddr3_cmd_ctrl_data = {
 	.cmd0csratio = MT41K128M16JT125K_RATIO,
 	.cmd0iclkout = MT41K128M16JT125K_INVERT_CLKOUT,

 	.cmd1csratio = MT41K128M16JT125K_RATIO,
 	.cmd1iclkout = MT41K128M16JT125K_INVERT_CLKOUT,

 	.cmd2csratio = MT41K128M16JT125K_RATIO,
 	.cmd2iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
 };

 static struct emif_regs ddr3_emif_reg_data = {
 	.sdram_config = MT41K128M16JT125K_EMIF_SDCFG,
 	.ref_ctrl = MT41K128M16JT125K_EMIF_SDREF,
 	.sdram_tim1 = MT41K128M16JT125K_EMIF_TIM1,
 	.sdram_tim2 = MT41K128M16JT125K_EMIF_TIM2,
 	.sdram_tim3 = MT41K128M16JT125K_EMIF_TIM3,
 	.zq_config = MT41K128M16JT125K_ZQ_CFG,
 	.emif_ddr_phy_ctlr_1 = MT41K128M16JT125K_EMIF_READ_LATENCY,
 };

 #define OSC	(V_OSCK / 1000000)
 const struct dpll_params dpll_ddr = {
 		400, OSC - 1, 1, -1, -1, -1, -1};

 void am33xx_spl_board_init(void)
 {
 	int mpu_vdd;
 	int usb_cur_lim;

 	/* Get the frequency */
 	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);

 	if (i2c_probe(TPS65217_CHIP_PM))
 		return;

 	/*
 	 * Increase USB current limit to 1300mA or 1800mA and set
 	 * the MPU voltage controller as needed.
 	 */
 	if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
 		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
 	} else {
 		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
 	}

 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 			       TPS65217_POWER_PATH,
 			       usb_cur_lim,
 			       TPS65217_USB_INPUT_CUR_LIMIT_MASK))
 		puts("tps65217_reg_write failure\n");

 	/* Set DCDC3 (CORE) voltage to 1.125V */
 	if (tps65217_voltage_update(TPS65217_DEFDCDC3,
 				    TPS65217_DCDC_VOLT_SEL_1125MV)) {
 		puts("tps65217_voltage_update failure\n");
 		return;
 	}

 	/* Set CORE Frequencies to OPP100 */
 	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);

 	/* Set DCDC2 (MPU) voltage */
 	if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
 		puts("tps65217_voltage_update failure\n");
 		return;
 	}

 	/*
 	 * Set LDO3 to 1.8V and LDO4 to 3.3V
 	 */
 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 			       TPS65217_DEFLS1,
 			       TPS65217_LDO_VOLTAGE_OUT_1_8,
 			       TPS65217_LDO_MASK))
 		puts("tps65217_reg_write failure\n");

 	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 			       TPS65217_DEFLS2,
 			       TPS65217_LDO_VOLTAGE_OUT_3_3,
 			       TPS65217_LDO_MASK))
 		puts("tps65217_reg_write failure\n");

 	/* Set MPU Frequency to what we detected now that voltages are set */
 	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
 }

 const struct dpll_params *get_dpll_ddr_params(void)
 {
 	enable_i2c0_pin_mux();
 	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);

 	return &dpll_ddr;
 }

 void set_uart_mux_conf(void)
 {
 	enable_uart0_pin_mux();
 }

 void set_mux_conf_regs(void)
 {
 	enable_board_pin_mux();
 }

 const struct ctrl_ioregs ioregs = {
 	.cm0ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
 	.cm1ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
 	.cm2ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
 	.dt0ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
 	.dt1ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
 };

 void sdram_init(void)
 {
 	config_ddr(400, &ioregs,
 		   &ddr3_data,
 		   &ddr3_cmd_ctrl_data,
 		   &ddr3_emif_reg_data, 0);
 }
 #endif

 int board_init(void)
 {
 	save_omap_boot_params();

 #if defined(CONFIG_HW_WATCHDOG)
 	hw_watchdog_init();
 #endif

 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;

 #ifdef CONFIG_MTD_RAW_NAND
 	gpmc_init();
 #endif
 	return 0;
 }

 #ifdef CONFIG_BOARD_LATE_INIT
 static void set_bootmode_env(void)
 {
 	char *boot_mode_gpio = "gpio@44e07000_14";
 	int   ret;

 	struct gpio_desc boot_mode_desc;

 	ret = dm_gpio_lookup_name(boot_mode_gpio, &boot_mode_desc);
 	if (ret) {
 		printf("%s is not found\n", boot_mode_gpio);
 		goto err;
 	}

 	ret = dm_gpio_request(&boot_mode_desc, "setup_bootmode_env");
 	if (ret && ret != -EBUSY) {
 		printf("requesting gpio: %s failed\n", boot_mode_gpio);
 		goto err;
 	}

 	dm_gpio_set_dir_flags(&boot_mode_desc, GPIOD_IS_IN);
 	udelay(10);

 	ret = dm_gpio_get_value(&boot_mode_desc);
 	if (ret == 0) {
 		env_set("swi_status", "1");
 	} else if (ret == 1) {
 		env_set("swi_status", "0");
 	} else {
 		printf("swi status gpio error\n");
 		goto err;
 	}

 	return;

 err:
 	env_set("swi_status", "err");
 }

 void lcdbacklight_en(void)
 {
 	unsigned long brightness = env_get_ulong("backlight_brightness", 10, 50);

 	if (brightness > 99 || brightness == 0)
 		brightness = 99;

 	/*
 	 * Brightness range:
 	 * WLEDCTRL2 DUTY[6:0]
 	 *
 	 * 000 0000b = 1%
 	 * 000 0001b = 2%
 	 * ...
 	 * 110 0010b = 99%
 	 * 110 0011b = 100%
 	 *
 	 */

 	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL2,
 			   brightness, 0xFF);
 	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL1,
 			   brightness != 0 ? 0x0A : 0x02, 0xFF);
 }

 #if IS_ENABLED(CONFIG_AM335X_LCD)
 static void splash_screen(void)
 {
 	struct udevice *video_dev;
 	struct udevice *console_dev;
 	struct video_priv *vid_priv;
 	struct mtd_info *mtd;
 	size_t len;
 	int ret;

 	struct mtd_device *mtd_dev;
 	struct part_info  *part;
 	u8 pnum;

 	ret = uclass_get_device(UCLASS_VIDEO, 0, &video_dev);
 	if (ret != 0) {
 		debug("video device not found\n");
 		goto exit;
 	}

 	vid_priv = dev_get_uclass_priv(video_dev);
 	mtdparts_init();

 	if (find_dev_and_part(SPLASH_SCREEN_NAND_PART, &mtd_dev, &pnum, &part))	{
 		debug("Could not find nand partition\n");
 		goto splash_screen_text;
 	}

 	mtd = get_nand_dev_by_index(mtd_dev->id->num);
 	if (!mtd) {
 		debug("MTD partition is not valid\n");
 		goto splash_screen_text;
 	}

 	len = SPLASH_SCREEN_BMP_FILE_SIZE;
 	ret = nand_read_skip_bad(mtd, part->offset, &len, NULL,
 				 SPLASH_SCREEN_BMP_FILE_SIZE,
 				 (u_char *)SPLASH_SCREEN_BMP_LOAD_ADDR);
 	if (ret != 0) {
 		debug("Reading NAND partition failed\n");
 		goto splash_screen_text;
 	}

 	ret = video_bmp_display(video_dev, SPLASH_SCREEN_BMP_LOAD_ADDR, 0, 0, false);
 	if (ret != 0) {
 		debug("No valid bmp image found!!\n");
 		goto splash_screen_text;
 	} else {
 		goto exit;
 	}

 splash_screen_text:
 	vid_priv->colour_fg = CONSOLE_COLOR_RED;
 	vid_priv->colour_bg = CONSOLE_COLOR_BLACK;

 	if (!uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &console_dev)) {
 		debug("Found console\n");
 		vidconsole_position_cursor(console_dev, 17, 7);
 		vidconsole_put_string(console_dev, SPLASH_SCREEN_TEXT);
 	} else {
 		debug("No console device found\n");
 	}

 exit:
 	return;
 }
 #endif /* CONFIG_AM335X_LCD */

 int board_late_init(void)
 {
 	int ret;
 	struct udevice *cdev;

 #ifdef CONFIG_LED_GPIO
 	led_default_state();
 #endif
 	set_bootmode_env();

 	ret = uclass_get_device(UCLASS_PANEL, 0, &cdev);
 	if (ret) {
 		debug("video panel not found: %d\n", ret);
 		return ret;
 	}

 	lcdbacklight_en();
 	if (IS_ENABLED(CONFIG_AM335X_LCD))
 		splash_screen();

 	return 0;
 }
 #endif /* CONFIG_BOARD_LATE_INIT */
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* board.c
	*
	* Board functions for Bosch Guardian
	*
	* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
	* Copyright (C) 2018 Robert Bosch Power Tools GmbH
	*/

	#include <common.h>
	#include <dm.h>
	#include <env_internal.h>
	#include <errno.h>
	#include <i2c.h>
	#include <led.h>
	#include <panel.h>
	#include <linux/delay.h>
	#include <asm/global_data.h>
	#include <power/tps65217.h>
	#include <spl.h>
	#include <watchdog.h>
	#include <asm/arch/clock.h>
	#include <asm/arch/cpu.h>
	#include <asm/arch/ddr_defs.h>
	#include <asm/arch/gpio.h>
	#include <asm/arch/hardware.h>
	#include <asm/arch/mem-guardian.h>
	#include <asm/arch/omap.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/emif.h>
	#include <asm/gpio.h>
	#include <asm/io.h>
	#include <jffs2/load_kernel.h>
	#include <mtd.h>
	#include <nand.h>
	#include <video.h>
	#include <video_console.h>
	#include "board.h"

	DECLARE_GLOBAL_DATA_PTR;

	#if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT)
	static struct ctrl_dev cdev = (struct ctrl_dev )CTRL_DEVICE_BASE;

	static const struct ddr_data ddr3_data = {
	.datardsratio0 = MT41K128M16JT125K_RD_DQS,
	.datawdsratio0 = MT41K128M16JT125K_WR_DQS,
	.datafwsratio0 = MT41K128M16JT125K_PHY_FIFO_WE,
	.datawrsratio0 = MT41K128M16JT125K_PHY_WR_DATA,
	};

	static const struct cmd_control ddr3_cmd_ctrl_data = {
	.cmd0csratio = MT41K128M16JT125K_RATIO,
	.cmd0iclkout = MT41K128M16JT125K_INVERT_CLKOUT,

	.cmd1csratio = MT41K128M16JT125K_RATIO,
	.cmd1iclkout = MT41K128M16JT125K_INVERT_CLKOUT,

	.cmd2csratio = MT41K128M16JT125K_RATIO,
	.cmd2iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
	};

	static struct emif_regs ddr3_emif_reg_data = {
	.sdram_config = MT41K128M16JT125K_EMIF_SDCFG,
	.ref_ctrl = MT41K128M16JT125K_EMIF_SDREF,
	.sdram_tim1 = MT41K128M16JT125K_EMIF_TIM1,
	.sdram_tim2 = MT41K128M16JT125K_EMIF_TIM2,
	.sdram_tim3 = MT41K128M16JT125K_EMIF_TIM3,
	.zq_config = MT41K128M16JT125K_ZQ_CFG,
	.emif_ddr_phy_ctlr_1 = MT41K128M16JT125K_EMIF_READ_LATENCY,
	};

	#define OSC (V_OSCK / 1000000)
	const struct dpll_params dpll_ddr = {
	400, OSC - 1, 1, -1, -1, -1, -1};

	void am33xx_spl_board_init(void)
	{
	int mpu_vdd;
	int usb_cur_lim;

	/* Get the frequency */
	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);

	if (i2c_probe(TPS65217_CHIP_PM))
	return;

	/*
	* Increase USB current limit to 1300mA or 1800mA and set
	* the MPU voltage controller as needed.
	*/
	if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
	usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
	mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
	} else {
	usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
	mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
	}

	if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
	TPS65217_POWER_PATH,
	usb_cur_lim,
	TPS65217_USB_INPUT_CUR_LIMIT_MASK))
	puts("tps65217_reg_write failure\n");

	/* Set DCDC3 (CORE) voltage to 1.125V */
	if (tps65217_voltage_update(TPS65217_DEFDCDC3,
	TPS65217_DCDC_VOLT_SEL_1125MV)) {
	puts("tps65217_voltage_update failure\n");
	return;
	}

	/* Set CORE Frequencies to OPP100 */
	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);

	/* Set DCDC2 (MPU) voltage */
	if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
	puts("tps65217_voltage_update failure\n");
	return;
	}

	/*
	* Set LDO3 to 1.8V and LDO4 to 3.3V
	*/
	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
	TPS65217_DEFLS1,
	TPS65217_LDO_VOLTAGE_OUT_1_8,
	TPS65217_LDO_MASK))
	puts("tps65217_reg_write failure\n");

	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
	TPS65217_DEFLS2,
	TPS65217_LDO_VOLTAGE_OUT_3_3,
	TPS65217_LDO_MASK))
	puts("tps65217_reg_write failure\n");

	/* Set MPU Frequency to what we detected now that voltages are set */
	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
	}

	const struct dpll_params *get_dpll_ddr_params(void)
	{
	enable_i2c0_pin_mux();
	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);

	return &dpll_ddr;
	}

	void set_uart_mux_conf(void)
	{
	enable_uart0_pin_mux();
	}

	void set_mux_conf_regs(void)
	{
	enable_board_pin_mux();
	}

	const struct ctrl_ioregs ioregs = {
	.cm0ioctl = MT41K128M16JT125K_IOCTRL_VALUE,
	.cm1ioctl = MT41K128M16JT125K_IOCTRL_VALUE,
	.cm2ioctl = MT41K128M16JT125K_IOCTRL_VALUE,
	.dt0ioctl = MT41K128M16JT125K_IOCTRL_VALUE,
	.dt1ioctl = MT41K128M16JT125K_IOCTRL_VALUE,
	};

	void sdram_init(void)
	{
	config_ddr(400, &ioregs,
	&ddr3_data,
	&ddr3_cmd_ctrl_data,
	&ddr3_emif_reg_data, 0);
	}
	#endif

	int board_init(void)
	{
	save_omap_boot_params();

	#if defined(CONFIG_HW_WATCHDOG)
	hw_watchdog_init();
	#endif

	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;

	#ifdef CONFIG_MTD_RAW_NAND
	gpmc_init();
	#endif
	return 0;
	}

	#ifdef CONFIG_BOARD_LATE_INIT
	static void set_bootmode_env(void)
	{
	char *boot_mode_gpio = "gpio@44e07000_14";
	int ret;

	struct gpio_desc boot_mode_desc;

	ret = dm_gpio_lookup_name(boot_mode_gpio, &boot_mode_desc);
	if (ret) {
	printf("%s is not found\n", boot_mode_gpio);
	goto err;
	}

	ret = dm_gpio_request(&boot_mode_desc, "setup_bootmode_env");
	if (ret && ret != -EBUSY) {
	printf("requesting gpio: %s failed\n", boot_mode_gpio);
	goto err;
	}

	dm_gpio_set_dir_flags(&boot_mode_desc, GPIOD_IS_IN);
	udelay(10);

	ret = dm_gpio_get_value(&boot_mode_desc);
	if (ret == 0) {
	env_set("swi_status", "1");
	} else if (ret == 1) {
	env_set("swi_status", "0");
	} else {
	printf("swi status gpio error\n");
	goto err;
	}

	return;

	err:
	env_set("swi_status", "err");
	}

	void lcdbacklight_en(void)
	{
	unsigned long brightness = env_get_ulong("backlight_brightness", 10, 50);

	if (brightness > 99 \|\| brightness == 0)
	brightness = 99;

	/*
	* Brightness range:
	* WLEDCTRL2 DUTY[6:0]
	*
	* 000 0000b = 1%
	* 000 0001b = 2%
	* ...
	* 110 0010b = 99%
	* 110 0011b = 100%
	*
	*/

	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL2,
	brightness, 0xFF);
	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL1,
	brightness != 0 ? 0x0A : 0x02, 0xFF);
	}

	#if IS_ENABLED(CONFIG_AM335X_LCD)
	static void splash_screen(void)
	{
	struct udevice *video_dev;
	struct udevice *console_dev;
	struct video_priv *vid_priv;
	struct mtd_info *mtd;
	size_t len;
	int ret;

	struct mtd_device *mtd_dev;
	struct part_info *part;
	u8 pnum;

	ret = uclass_get_device(UCLASS_VIDEO, 0, &video_dev);
	if (ret != 0) {
	debug("video device not found\n");
	goto exit;
	}

	vid_priv = dev_get_uclass_priv(video_dev);
	mtdparts_init();

	if (find_dev_and_part(SPLASH_SCREEN_NAND_PART, &mtd_dev, &pnum, &part)) {
	debug("Could not find nand partition\n");
	goto splash_screen_text;
	}

	mtd = get_nand_dev_by_index(mtd_dev->id->num);
	if (!mtd) {
	debug("MTD partition is not valid\n");
	goto splash_screen_text;
	}

	len = SPLASH_SCREEN_BMP_FILE_SIZE;
	ret = nand_read_skip_bad(mtd, part->offset, &len, NULL,
	SPLASH_SCREEN_BMP_FILE_SIZE,
	(u_char *)SPLASH_SCREEN_BMP_LOAD_ADDR);
	if (ret != 0) {
	debug("Reading NAND partition failed\n");
	goto splash_screen_text;
	}

	ret = video_bmp_display(video_dev, SPLASH_SCREEN_BMP_LOAD_ADDR, 0, 0, false);
	if (ret != 0) {
	debug("No valid bmp image found!!\n");
	goto splash_screen_text;
	} else {
	goto exit;
	}

	splash_screen_text:
	vid_priv->colour_fg = CONSOLE_COLOR_RED;
	vid_priv->colour_bg = CONSOLE_COLOR_BLACK;

	if (!uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &console_dev)) {
	debug("Found console\n");
	vidconsole_position_cursor(console_dev, 17, 7);
	vidconsole_put_string(console_dev, SPLASH_SCREEN_TEXT);
	} else {
	debug("No console device found\n");
	}

	exit:
	return;
	}
	#endif /* CONFIG_AM335X_LCD */

	int board_late_init(void)
	{
	int ret;
	struct udevice *cdev;

	#ifdef CONFIG_LED_GPIO
	led_default_state();
	#endif
	set_bootmode_env();

	ret = uclass_get_device(UCLASS_PANEL, 0, &cdev);
	if (ret) {
	debug("video panel not found: %d\n", ret);
	return ret;
	}

	lcdbacklight_en();
	if (IS_ENABLED(CONFIG_AM335X_LCD))
	splash_screen();

	return 0;
	}
	#endif /* CONFIG_BOARD_LATE_INIT */