board/toradex/colibri-imx6ull/colibri-imx6ull.c - u-boot-mtk - Git at Google

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2018-2019 Toradex AG
  */
 #include <common.h>

 #include <asm/arch/clock.h>
 #include <asm/arch/crm_regs.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch-mx6/clock.h>
 #include <asm/arch-mx6/imx-regs.h>
 #include <asm/arch-mx6/mx6ull_pins.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>
 #include <asm/mach-imx/boot_mode.h>
 #include <asm/mach-imx/iomux-v3.h>
 #include <asm/io.h>
 #include <dm.h>
 #include <dm/platform_data/serial_mxc.h>
 #include <env.h>
 #include <fdt_support.h>
 #include <imx_thermal.h>
 #include <jffs2/load_kernel.h>
 #include <linux/sizes.h>
 #include <miiphy.h>
 #include <mtd_node.h>
 #include <netdev.h>

 #include "../common/tdx-common.h"
 #include "../common/tdx-cfg-block.h"

 DECLARE_GLOBAL_DATA_PTR;

 #define LCD_PAD_CTRL    (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \
 		PAD_CTL_DSE_48ohm)

 #define MX6_PAD_SNVS_PMIC_STBY_REQ_ADDR 0x2290040

 #define NAND_PAD_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)

 #define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_PUS_22K_UP)

 int dram_init(void)
 {
 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);

 	return 0;
 }

 #ifdef CONFIG_NAND_MXS
 static void setup_gpmi_nand(void)
 {
 	setup_gpmi_io_clk((3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) |
 			  (3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET));
 }
 #endif /* CONFIG_NAND_MXS */

 #ifdef CONFIG_VIDEO_MXS
 static iomux_v3_cfg_t const lcd_pads[] = {
 	MX6_PAD_LCD_CLK__LCDIF_CLK		| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_ENABLE__LCDIF_ENABLE	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_HSYNC__LCDIF_HSYNC		| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_CLK__LCDIF_CLK		| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA00__LCDIF_DATA00	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA01__LCDIF_DATA01	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA02__LCDIF_DATA02	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA03__LCDIF_DATA03	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA04__LCDIF_DATA04	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA05__LCDIF_DATA05	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA06__LCDIF_DATA06	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA07__LCDIF_DATA07	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA08__LCDIF_DATA08	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA09__LCDIF_DATA09	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA10__LCDIF_DATA10	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA11__LCDIF_DATA11	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA12__LCDIF_DATA12	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA13__LCDIF_DATA13	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA14__LCDIF_DATA14	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA15__LCDIF_DATA15	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA16__LCDIF_DATA16	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 	MX6_PAD_LCD_DATA17__LCDIF_DATA17	| MUX_PAD_CTRL(LCD_PAD_CTRL),
 };

 static iomux_v3_cfg_t const backlight_pads[] = {
 	/* Backlight On */
 	MX6_PAD_JTAG_TMS__GPIO1_IO11		| MUX_PAD_CTRL(NO_PAD_CTRL),
 	/* Backlight PWM<A> (multiplexed pin) */
 	MX6_PAD_NAND_WP_B__GPIO4_IO11		| MUX_PAD_CTRL(NO_PAD_CTRL),
 };

 #define GPIO_BL_ON IMX_GPIO_NR(1, 11)
 #define GPIO_PWM_A IMX_GPIO_NR(4, 11)

 static int setup_lcd(void)
 {
 	imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));

 	imx_iomux_v3_setup_multiple_pads(backlight_pads, ARRAY_SIZE(backlight_pads));

 	/* Set BL_ON */
 	gpio_request(GPIO_BL_ON, "BL_ON");
 	gpio_direction_output(GPIO_BL_ON, 1);

 	/* Set PWM<A> to full brightness (assuming inversed polarity) */
 	gpio_request(GPIO_PWM_A, "PWM<A>");
 	gpio_direction_output(GPIO_PWM_A, 0);

 	return 0;
 }
 #endif

 #ifdef CONFIG_FEC_MXC
 static int setup_fec(void)
 {
 	struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
 	int ret;

 	/* provide the PHY clock from the i.MX 6 */
 	ret = enable_fec_anatop_clock(1, ENET_50MHZ);
 	if (ret)
 		return ret;

 	/* Use 50M anatop REF_CLK and output it on ENET2_TX_CLK */
 	clrsetbits_le32(&iomuxc_regs->gpr[1],
 			IOMUX_GPR1_FEC2_CLOCK_MUX2_SEL_MASK,
 			IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);

 	/* give new Ethernet PHY power save mode circuitry time to settle */
 	mdelay(300);

 	return 0;
 }

 int board_phy_config(struct phy_device *phydev)
 {
 	if (phydev->drv->config)
 		phydev->drv->config(phydev);
 	return 0;
 }
 #endif /* CONFIG_FEC_MXC */

 int board_init(void)
 {
 	/* address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;

 #ifdef CONFIG_FEC_MXC
 	setup_fec();
 #endif

 #ifdef CONFIG_NAND_MXS
 	setup_gpmi_nand();
 #endif

 #ifdef CONFIG_VIDEO_MXS
 	setup_lcd();
 #endif

 	return 0;
 }

 #ifdef CONFIG_CMD_BMODE
 /* TODO */
 static const struct boot_mode board_boot_modes[] = {
 	/* 4 bit bus width */
 	{"nand", MAKE_CFGVAL(0x40, 0x34, 0x00, 0x00)},
 	{"sd1", MAKE_CFGVAL(0x10, 0x10, 0x00, 0x00)},
 	{NULL, 0},
 };
 #endif

 int board_late_init(void)
 {
 #ifdef CONFIG_TDX_CFG_BLOCK
 	/*
 	 * If we have a valid config block and it says we are a module with
 	 * Wi-Fi/Bluetooth make sure we use the -wifi device tree.
 	 */
 	if (tdx_hw_tag.prodid == COLIBRI_IMX6ULL_WIFI_BT_IT ||
 	    tdx_hw_tag.prodid == COLIBRI_IMX6ULL_WIFI_BT)
 		env_set("variant", "-wifi");
 #endif

 	/*
 	 * Disable output driver of PAD CCM_PMIC_STBY_REQ. This prevents the
 	 * SOC to request for a lower voltage during sleep. This is necessary
 	 * because the voltage is changing too slow for the SOC to wake up
 	 * properly.
 	 */
 	__raw_writel(0x8080, MX6_PAD_SNVS_PMIC_STBY_REQ_ADDR);

 #ifdef CONFIG_CMD_BMODE
 	add_board_boot_modes(board_boot_modes);
 #endif

 #ifdef CONFIG_CMD_USB_SDP
 	if (is_boot_from_usb()) {
 		printf("Serial Downloader recovery mode, using sdp command\n");
 		env_set("bootdelay", "0");
 		env_set("bootcmd", "sdp 0");
 	}
 #endif /* CONFIG_CMD_USB_SDP */

 	return 0;
 }

 int checkboard(void)
 {
 	printf("Model: Toradex Colibri iMX6ULL\n");

 	return 0;
 }

 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
 int ft_board_setup(void *blob, bd_t *bd)
 {
 #if defined(CONFIG_FDT_FIXUP_PARTITIONS)
 	static struct node_info nodes[] = {
 		{ "fsl,imx6ull-gpmi-nand", MTD_DEV_TYPE_NAND, },
 		{ "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, },
 	};

 	/* Update partition nodes using info from mtdparts env var */
 	puts("   Updating MTD partitions...\n");
 	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
 #endif

 	return ft_common_board_setup(blob, bd);
 }
 #endif

 static struct mxc_serial_platdata mxc_serial_plat = {
 	.reg = (struct mxc_uart *)UART1_BASE,
 	.use_dte = 1,
 };

 U_BOOT_DEVICE(mxc_serial) = {
 	.name = "serial_mxc",
 	.platdata = &mxc_serial_plat,
 };
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Copyright (C) 2018-2019 Toradex AG
	*/
	#include <common.h>

	#include <asm/arch/clock.h>
	#include <asm/arch/crm_regs.h>
	#include <asm/arch/imx-regs.h>
	#include <asm/arch-mx6/clock.h>
	#include <asm/arch-mx6/imx-regs.h>
	#include <asm/arch-mx6/mx6ull_pins.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/gpio.h>
	#include <asm/mach-imx/boot_mode.h>
	#include <asm/mach-imx/iomux-v3.h>
	#include <asm/io.h>
	#include <dm.h>
	#include <dm/platform_data/serial_mxc.h>
	#include <env.h>
	#include <fdt_support.h>
	#include <imx_thermal.h>
	#include <jffs2/load_kernel.h>
	#include <linux/sizes.h>
	#include <miiphy.h>
	#include <mtd_node.h>
	#include <netdev.h>

	#include "../common/tdx-common.h"
	#include "../common/tdx-cfg-block.h"

	DECLARE_GLOBAL_DATA_PTR;

	#define LCD_PAD_CTRL (PAD_CTL_HYS \| PAD_CTL_PUS_100K_UP \| \
	PAD_CTL_DSE_48ohm)

	#define MX6_PAD_SNVS_PMIC_STBY_REQ_ADDR 0x2290040

	#define NAND_PAD_CTRL (PAD_CTL_DSE_48ohm \| PAD_CTL_SRE_SLOW \| PAD_CTL_HYS)

	#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_48ohm \| PAD_CTL_PUS_22K_UP)

	int dram_init(void)
	{
	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);

	return 0;
	}

	#ifdef CONFIG_NAND_MXS
	static void setup_gpmi_nand(void)
	{
	setup_gpmi_io_clk((3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) \|
	(3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET));
	}
	#endif /* CONFIG_NAND_MXS */

	#ifdef CONFIG_VIDEO_MXS
	static iomux_v3_cfg_t const lcd_pads[] = {
	MX6_PAD_LCD_CLK__LCDIF_CLK \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_ENABLE__LCDIF_ENABLE \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_HSYNC__LCDIF_HSYNC \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_CLK__LCDIF_CLK \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA00__LCDIF_DATA00 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA01__LCDIF_DATA01 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA02__LCDIF_DATA02 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA03__LCDIF_DATA03 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA04__LCDIF_DATA04 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA05__LCDIF_DATA05 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA06__LCDIF_DATA06 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA07__LCDIF_DATA07 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA08__LCDIF_DATA08 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA09__LCDIF_DATA09 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA10__LCDIF_DATA10 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA11__LCDIF_DATA11 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA12__LCDIF_DATA12 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA13__LCDIF_DATA13 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA14__LCDIF_DATA14 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA15__LCDIF_DATA15 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA16__LCDIF_DATA16 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA17__LCDIF_DATA17 \| MUX_PAD_CTRL(LCD_PAD_CTRL),
	};

	static iomux_v3_cfg_t const backlight_pads[] = {
	/* Backlight On */
	MX6_PAD_JTAG_TMS__GPIO1_IO11 \| MUX_PAD_CTRL(NO_PAD_CTRL),
	/* Backlight PWM<A> (multiplexed pin) */
	MX6_PAD_NAND_WP_B__GPIO4_IO11 \| MUX_PAD_CTRL(NO_PAD_CTRL),
	};

	#define GPIO_BL_ON IMX_GPIO_NR(1, 11)
	#define GPIO_PWM_A IMX_GPIO_NR(4, 11)

	static int setup_lcd(void)
	{
	imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));

	imx_iomux_v3_setup_multiple_pads(backlight_pads, ARRAY_SIZE(backlight_pads));

	/* Set BL_ON */
	gpio_request(GPIO_BL_ON, "BL_ON");
	gpio_direction_output(GPIO_BL_ON, 1);

	/* Set PWM<A> to full brightness (assuming inversed polarity) */
	gpio_request(GPIO_PWM_A, "PWM<A>");
	gpio_direction_output(GPIO_PWM_A, 0);

	return 0;
	}
	#endif

	#ifdef CONFIG_FEC_MXC
	static int setup_fec(void)
	{
	struct iomuxc iomuxc_regs = (struct iomuxc )IOMUXC_BASE_ADDR;
	int ret;

	/* provide the PHY clock from the i.MX 6 */
	ret = enable_fec_anatop_clock(1, ENET_50MHZ);
	if (ret)
	return ret;

	/* Use 50M anatop REF_CLK and output it on ENET2_TX_CLK */
	clrsetbits_le32(&iomuxc_regs->gpr[1],
	IOMUX_GPR1_FEC2_CLOCK_MUX2_SEL_MASK,
	IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);

	/* give new Ethernet PHY power save mode circuitry time to settle */
	mdelay(300);

	return 0;
	}

	int board_phy_config(struct phy_device *phydev)
	{
	if (phydev->drv->config)
	phydev->drv->config(phydev);
	return 0;
	}
	#endif /* CONFIG_FEC_MXC */

	int board_init(void)
	{
	/* address of boot parameters */
	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;

	#ifdef CONFIG_FEC_MXC
	setup_fec();
	#endif

	#ifdef CONFIG_NAND_MXS
	setup_gpmi_nand();
	#endif

	#ifdef CONFIG_VIDEO_MXS
	setup_lcd();
	#endif

	return 0;
	}

	#ifdef CONFIG_CMD_BMODE
	/* TODO */
	static const struct boot_mode board_boot_modes[] = {
	/* 4 bit bus width */
	{"nand", MAKE_CFGVAL(0x40, 0x34, 0x00, 0x00)},
	{"sd1", MAKE_CFGVAL(0x10, 0x10, 0x00, 0x00)},
	{NULL, 0},
	};
	#endif

	int board_late_init(void)
	{
	#ifdef CONFIG_TDX_CFG_BLOCK
	/*
	* If we have a valid config block and it says we are a module with
	* Wi-Fi/Bluetooth make sure we use the -wifi device tree.
	*/
	if (tdx_hw_tag.prodid == COLIBRI_IMX6ULL_WIFI_BT_IT \|\|
	tdx_hw_tag.prodid == COLIBRI_IMX6ULL_WIFI_BT)
	env_set("variant", "-wifi");
	#endif

	/*
	* Disable output driver of PAD CCM_PMIC_STBY_REQ. This prevents the
	* SOC to request for a lower voltage during sleep. This is necessary
	* because the voltage is changing too slow for the SOC to wake up
	* properly.
	*/
	__raw_writel(0x8080, MX6_PAD_SNVS_PMIC_STBY_REQ_ADDR);

	#ifdef CONFIG_CMD_BMODE
	add_board_boot_modes(board_boot_modes);
	#endif

	#ifdef CONFIG_CMD_USB_SDP
	if (is_boot_from_usb()) {
	printf("Serial Downloader recovery mode, using sdp command\n");
	env_set("bootdelay", "0");
	env_set("bootcmd", "sdp 0");
	}
	#endif /* CONFIG_CMD_USB_SDP */

	return 0;
	}

	int checkboard(void)
	{
	printf("Model: Toradex Colibri iMX6ULL\n");

	return 0;
	}

	#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
	int ft_board_setup(void blob, bd_t bd)
	{
	#if defined(CONFIG_FDT_FIXUP_PARTITIONS)
	static struct node_info nodes[] = {
	{ "fsl,imx6ull-gpmi-nand", MTD_DEV_TYPE_NAND, },
	{ "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, },
	};

	/* Update partition nodes using info from mtdparts env var */
	puts(" Updating MTD partitions...\n");
	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
	#endif

	return ft_common_board_setup(blob, bd);
	}
	#endif

	static struct mxc_serial_platdata mxc_serial_plat = {
	.reg = (struct mxc_uart *)UART1_BASE,
	.use_dte = 1,
	};

	U_BOOT_DEVICE(mxc_serial) = {
	.name = "serial_mxc",
	.platdata = &mxc_serial_plat,
	};