path: root/board/freescale/imx8qm_mek/imx8qm_mek.c

/*
 * Copyright 2017 NXP
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#include <common.h>
#include <malloc.h>
#include <errno.h>
#include <netdev.h>
#include <fsl_ifc.h>
#include <fdt_support.h>
#include <libfdt.h>
#include <environment.h>
#include <fsl_esdhc.h>
#include <i2c.h>

#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/clock.h>
#include <asm/imx-common/sci/sci.h>
#include <asm/arch/imx8-pins.h>
#include <dm.h>
#include <imx8_hsio.h>
#include <usb.h>
#include <asm/arch/iomux.h>
#include <asm/arch/sys_proto.h>
#include <asm/imx-common/video.h>
#include <asm/arch/video_common.h>
#include <power-domain.h>
#include "../common/tcpc.h"

DECLARE_GLOBAL_DATA_PTR;

#define ENET_INPUT_PAD_CTRL	((SC_PAD_CONFIG_OD_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define ENET_NORMAL_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define FSPI_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define GPIO_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define I2C_PAD_CTRL	((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_DV_LOW << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

#define UART_PAD_CTRL	((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))

static iomux_cfg_t uart0_pads[] = {
	SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
	SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
};

static void setup_iomux_uart(void)
{
	imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
}

int board_early_init_f(void)
{
	sc_ipc_t ipcHndl = 0;
	sc_err_t sciErr = 0;

	ipcHndl = gd->arch.ipc_channel_handle;

	/* Power up UART0, this is very early while power domain is not working */
	sciErr = sc_pm_set_resource_power_mode(ipcHndl, SC_R_UART_0, SC_PM_PW_MODE_ON);
	if (sciErr != SC_ERR_NONE)
		return 0;

	/* Set UART0 clock root to 80 MHz */
	sc_pm_clock_rate_t rate = 80000000;
	sciErr = sc_pm_set_clock_rate(ipcHndl, SC_R_UART_0, 2, &rate);
	if (sciErr != SC_ERR_NONE)
		return 0;

	/* Enable UART0 clock root */
	sciErr = sc_pm_clock_enable(ipcHndl, SC_R_UART_0, 2, true, false);
	if (sciErr != SC_ERR_NONE)
		return 0;

	setup_iomux_uart();

	return 0;
}

#ifdef CONFIG_FEC_MXC
#include <miiphy.h>

static iomux_cfg_t pad_enet1[] = {
	SC_P_ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_RXD0 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_RXD1 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_RXD2 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_RXD3 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET1_RGMII_TXD0 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET1_RGMII_TXD1 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET1_RGMII_TXD2 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET1_RGMII_TXD3 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),

	/* Shared MDIO */
	SC_P_ENET0_MDC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_MDIO | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
};

static iomux_cfg_t pad_enet0[] = {
	SC_P_ENET0_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_RXD0 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_RXD1 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_RXD2 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_RXD3 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_RXC | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
	SC_P_ENET0_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_RGMII_TXD0 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_RGMII_TXD1 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_RGMII_TXD2 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_RGMII_TXD3 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_RGMII_TXC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),

	/* Shared MDIO */
	SC_P_ENET0_MDC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
	SC_P_ENET0_MDIO | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
};

static void setup_iomux_fec(void)
{
	if (0 == CONFIG_FEC_ENET_DEV)
		imx8_iomux_setup_multiple_pads(pad_enet0, ARRAY_SIZE(pad_enet0));
	else
		imx8_iomux_setup_multiple_pads(pad_enet1, ARRAY_SIZE(pad_enet1));
}

int board_eth_init(bd_t *bis)
{
	int ret;
	struct power_domain pd;

	printf("[%s] %d\n", __func__, __LINE__);

	if (CONFIG_FEC_ENET_DEV) {
		if (!power_domain_lookup_name("conn_enet1", &pd))
			power_domain_on(&pd);
	} else {
		if (!power_domain_lookup_name("conn_enet0", &pd))
			power_domain_on(&pd);
	}

	setup_iomux_fec();

	ret = fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
		CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
	if (ret)
		printf("FEC1 MXC: %s:failed\n", __func__);

	return ret;
}

int board_phy_config(struct phy_device *phydev)
{
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);

	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);

	if (phydev->drv->config)
		phydev->drv->config(phydev);

	return 0;
}
#endif

#ifdef CONFIG_MXC_GPIO

#define LVDS_ENABLE IMX_GPIO_NR(1, 6)
#define MIPI_ENABLE IMX_GPIO_NR(1, 7)

#define BB_GPIO_3V3_1 IMX_GPIO_NR(4, 20)
#define BB_GPIO_3V3_2 IMX_GPIO_NR(4, 24)
#define BB_GPIO_3V3_3 IMX_GPIO_NR(4, 23)

static void board_gpio_init(void)
{
	/* Enable BB 3V3 */
	gpio_request(BB_GPIO_3V3_1, "bb_3v3_1");
	gpio_direction_output(BB_GPIO_3V3_1, 1);
	gpio_request(BB_GPIO_3V3_2, "bb_3v3_2");
	gpio_direction_output(BB_GPIO_3V3_2, 1);
	gpio_request(BB_GPIO_3V3_3, "bb_3v3_3");
	gpio_direction_output(BB_GPIO_3V3_3, 1);

	/* enable LVDS SAS boards */
	gpio_request(LVDS_ENABLE, "lvds_enable");
	gpio_direction_output(LVDS_ENABLE, 1);

	/* enable MIPI SAS boards */
	gpio_request(MIPI_ENABLE, "mipi_enable");
	gpio_direction_output(MIPI_ENABLE, 1);
}
#endif

int checkboard(void)
{
	puts("Board: iMX8QM MEK\n");

	print_bootinfo();

	/* Note:  After reloc, ipcHndl will no longer be valid.  If handle
	 *        returned by sc_ipc_open matches SC_IPC_CH, use this
	 *        macro (valid after reloc) for subsequent SCI calls.
	 */
	if (gd->arch.ipc_channel_handle != SC_IPC_CH) {
		printf("\nSCI error! Invalid handle\n");
	}

#ifdef SCI_FORCE_ABORT
	sc_rpc_msg_t abort_msg;

	puts("Send abort request\n");
	RPC_SIZE(&abort_msg) = 1;
	RPC_SVC(&abort_msg) = SC_RPC_SVC_ABORT;
	sc_ipc_write(SC_IPC_CH, &abort_msg);

	/* Close IPC channel */
	sc_ipc_close(SC_IPC_CH);
#endif /* SCI_FORCE_ABORT */

	return 0;
}

#ifdef CONFIG_FSL_HSIO

#define PCIE_PAD_CTRL	((SC_PAD_CONFIG_OD_IN << PADRING_CONFIG_SHIFT))
static iomux_cfg_t board_pcie_pins[] = {
	SC_P_PCIE_CTRL0_CLKREQ_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL),
	SC_P_PCIE_CTRL0_WAKE_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL),
	SC_P_PCIE_CTRL0_PERST_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL),
};

static void imx8qm_hsio_initialize(void)
{
	struct power_domain pd;
	int ret;

	if (!power_domain_lookup_name("hsio_sata0", &pd)) {
		ret = power_domain_on(&pd);
		if (ret)
			printf("hsio_sata0 Power up failed! (error = %d)\n", ret);
	}

	if (!power_domain_lookup_name("hsio_pcie0", &pd)) {
		ret = power_domain_on(&pd);
		if (ret)
			printf("hsio_pcie0 Power up failed! (error = %d)\n", ret);
	}

	if (!power_domain_lookup_name("hsio_pcie1", &pd)) {
		ret = power_domain_on(&pd);
		if (ret)
			printf("hsio_pcie1 Power up failed! (error = %d)\n", ret);
	}

	imx8_iomux_setup_multiple_pads(board_pcie_pins, ARRAY_SIZE(board_pcie_pins));
}

void pci_init_board(void)
{
	/* test the 1 lane mode of the PCIe A controller */
	mx8qm_pcie_init();
}
#endif

#ifdef CONFIG_USB_XHCI_IMX8

#define USB_TYPEC_SEL IMX_GPIO_NR(4, 6)
#define USB_TYPEC_EN IMX_GPIO_NR(4, 19)

static iomux_cfg_t ss_mux_gpio[] = {
	SC_P_USB_SS3_TC3 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
	SC_P_QSPI1A_SS0_B | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
};

struct udevice *tcpc_i2c_dev = NULL;

static void setup_typec(void)
{
	struct udevice *bus;
	uint8_t chip = 0x51;
	int ret;

	imx8_iomux_setup_multiple_pads(ss_mux_gpio, ARRAY_SIZE(ss_mux_gpio));
	gpio_request(USB_TYPEC_SEL, "typec_sel");
	gpio_request(USB_TYPEC_EN, "typec_en");

	gpio_direction_output(USB_TYPEC_EN, 1);

	ret = uclass_get_device_by_seq(UCLASS_I2C, 0, &bus);
	if (ret) {
		printf("%s: Can't find bus\n", __func__);
		return;
	}

	ret = dm_i2c_probe(bus, chip, 0, &tcpc_i2c_dev);
	if (ret) {
		printf("%s: Can't find device id=0x%x\n",
			__func__, chip);
		return;
	}

	tcpc_init(tcpc_i2c_dev);
}

void ss_mux_select(enum typec_cc_polarity pol)
{
	if (pol == TYPEC_POLARITY_CC1)
		gpio_direction_output(USB_TYPEC_SEL, 0);
	else
		gpio_direction_output(USB_TYPEC_SEL, 1);
}

int board_usb_init(int index, enum usb_init_type init)
{
	int ret = 0;

	if (init == USB_INIT_HOST && tcpc_i2c_dev)
		ret = tcpc_setup_dfp_mode(tcpc_i2c_dev, &ss_mux_select);

	return ret;
}

int board_usb_cleanup(int index, enum usb_init_type init)
{
	int ret = 0;

	if (init == USB_INIT_HOST && tcpc_i2c_dev)
		ret = tcpc_disable_vbus(tcpc_i2c_dev);

	return ret;
}
#endif

int board_init(void)
{
	/* Power up base board */
	sc_pm_set_resource_power_mode(gd->arch.ipc_channel_handle, 
		SC_R_BOARD_R1, SC_PM_PW_MODE_ON);

#ifdef CONFIG_MXC_GPIO
	board_gpio_init();
#endif

#ifdef CONFIG_FSL_HSIO
	imx8qm_hsio_initialize();
#ifdef CONFIG_SCSI_AHCI_PLAT
	sata_init();
#endif
#endif

#ifdef CONFIG_USB_XHCI_IMX8
	setup_typec();
#endif

	return 0;
}

void board_quiesce_devices(void)
{
	const char *power_on_devices[] = {
		"dma_lpuart0",
	};

	power_off_pd_devices(power_on_devices, ARRAY_SIZE(power_on_devices));
}

void detail_board_ddr_info(void)
{
	puts("\nDDR    ");
}

/*
 * Board specific reset that is system reset.
 */
void reset_cpu(ulong addr)
{
	puts("SCI reboot request");
	sc_pm_reboot(SC_IPC_CH, SC_PM_RESET_TYPE_COLD);
	while (1)
		putc('.');
}

#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, bd_t *bd)
{
	return 0;
}
#endif

int board_mmc_get_env_dev(int devno)
{
	return devno;
}

int mmc_map_to_kernel_blk(int dev_no)
{
	return dev_no;
}

extern uint32_t _end_ofs;
int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
	setenv("board_name", "MEK");
	setenv("board_rev", "iMX8QM");
#endif

#ifdef CONFIG_ENV_IS_IN_MMC
	board_late_mmc_env_init();
#endif

#ifdef IMX_LOAD_HDMI_FIMRWARE
	char *end_of_uboot;
	char command[256];
	end_of_uboot = (char *)(ulong)(CONFIG_SYS_TEXT_BASE + _end_ofs + fdt_totalsize(gd->fdt_blob));
	end_of_uboot += 9;

	memcpy(IMX_HDMI_FIRMWARE_LOAD_ADDR, end_of_uboot, IMX_HDMI_FIRMWARE_SIZE);

	sprintf(command, "hdp load 0x%x", IMX_HDMI_FIRMWARE_LOAD_ADDR);
	run_command(command, 0);
#endif

	return 0;
}

#ifdef CONFIG_FSL_FASTBOOT
#ifdef CONFIG_ANDROID_RECOVERY
int is_recovery_key_pressing(void)
{
	return 0; /*TODO*/
}
#endif /*CONFIG_ANDROID_RECOVERY*/
#endif /*CONFIG_FSL_FASTBOOT*/

#if defined(CONFIG_VIDEO_IMXDPUV1)
static void enable_lvds(struct display_info_t const *dev)
{
	display_controller_setup((PS2KHZ(dev->mode.pixclock) * 1000));
	lvds_soc_setup(dev->bus, (PS2KHZ(dev->mode.pixclock) * 1000));
	lvds_configure(dev->bus);
	lvds2hdmi_setup(6);
}

struct display_info_t const displays[] = {{
	.bus	= 0, /* LVDS0 */
	.addr	= 0, /* Unused */
	.pixfmt	= IMXDPUV1_PIX_FMT_BGRA32,
	.detect	= NULL,
	.enable	= enable_lvds,
	.mode	= {
		.name           = "IT6263", /* 720P60 */
		.refresh        = 60,
		.xres           = 1280,
		.yres           = 720,
		.pixclock       = 13468, /* 74250000 */
		.left_margin    = 110,
		.right_margin   = 220,
		.upper_margin   = 5,
		.lower_margin   = 20,
		.hsync_len      = 40,
		.vsync_len      = 5,
		.sync           = FB_SYNC_EXT,
		.vmode          = FB_VMODE_NONINTERLACED
} } };
size_t display_count = ARRAY_SIZE(displays);

#endif /* CONFIG_VIDEO_IMXDPUV1 */