path: root/board/toradex/apalis-imx8/apalis-imx8.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/tdx-cfg-block.h"

DECLARE_GLOBAL_DATA_PTR;

#define ESDHC_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 ESDHC_CLK_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))


#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 uart1_pads[] = {
	SC_P_UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
	SC_P_UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
};

static void setup_iomux_uart(void)
{
	imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_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 UART1, this is very early while power domain is not working */
	sciErr = sc_pm_set_resource_power_mode(ipcHndl, SC_R_UART_1, SC_PM_PW_MODE_ON);
	if (sciErr != SC_ERR_NONE)
		return 0;

	/* Set UART1 clock root to 80 MHz */
	sc_pm_clock_rate_t rate = 80000000;
	sciErr = sc_pm_set_clock_rate(ipcHndl, SC_R_UART_1, 2, &rate);
	if (sciErr != SC_ERR_NONE)
		return 0;

	/* Enable UART1 clock root */
	sciErr = sc_pm_clock_enable(ipcHndl, SC_R_UART_1, 2, true, false);
	if (sciErr != SC_ERR_NONE)
		return 0;

	setup_iomux_uart();

	return 0;
}

#ifdef CONFIG_FSL_ESDHC

#define USDHC1_CD_GPIO	IMX_GPIO_NR(2, 9)
#define USDHC2_CD_GPIO	IMX_GPIO_NR(4, 12)

static struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
	{USDHC1_BASE_ADDR, 0, 8},
	{USDHC2_BASE_ADDR, 0, 4},
	{USDHC3_BASE_ADDR, 0, 4},
};

static iomux_cfg_t emmc0[] = {
	SC_P_EMMC0_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
	SC_P_EMMC0_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA4 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA5 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA6 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_DATA7 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_EMMC0_STROBE | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
};

static iomux_cfg_t usdhc1_sd[] = {
	SC_P_USDHC1_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
	SC_P_USDHC1_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC1_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC1_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC1_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC1_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC1_DATA4 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC1_DATA5 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC1_DATA6 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC1_DATA7 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_ESAI1_TX1 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ESDHC_PAD_CTRL), /* Mux for CD,  GPIO2 IO09 */
	SC_P_USDHC1_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC1_VSELECT | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
};

static iomux_cfg_t usdhc2_sd[] = {
	SC_P_USDHC2_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
	SC_P_USDHC2_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC2_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC2_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC2_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC2_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC2_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
	SC_P_USDHC2_CD_B | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ESDHC_PAD_CTRL),	/* Mux to GPIO4 IO12 */
};

int board_mmc_init(bd_t *bis)
{
	int i, ret;
	struct power_domain pd;

	/*
	 * According to the board_mmc_init() the following map is done:
	 * (U-boot device node)    (Physical Port)
	 * mmc0                    USDHC1
	 * mmc1                    USDHC2
	 * mmc2                    USDHC3
	 */
	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
		switch (i) {
		case 0:
			if (!power_domain_lookup_name("conn_sdhc0", &pd))
				power_domain_on(&pd);

			imx8_iomux_setup_multiple_pads(emmc0, ARRAY_SIZE(emmc0));
			init_clk_usdhc(0);
			usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
			break;
		case 1:
			if (!power_domain_lookup_name("conn_sdhc1", &pd))
				power_domain_on(&pd);

			imx8_iomux_setup_multiple_pads(usdhc1_sd, ARRAY_SIZE(usdhc1_sd));
			init_clk_usdhc(1);
			usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
			gpio_request(USDHC1_CD_GPIO, "sd1_cd");
			gpio_direction_input(USDHC1_CD_GPIO);
			break;
		case 2:
			if (!power_domain_lookup_name("conn_sdhc2", &pd))
				power_domain_on(&pd);

			imx8_iomux_setup_multiple_pads(usdhc2_sd, ARRAY_SIZE(usdhc2_sd));
			init_clk_usdhc(2);
			usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
			gpio_request(USDHC2_CD_GPIO, "sd2_cd");
			gpio_direction_input(USDHC2_CD_GPIO);
			break;
		default:
			printf("Warning: you configured more USDHC controllers"
				"(%d) than supported by the board\n", i + 1);
			return 0;
		}
		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
		if (ret) {
			printf("Warning: failed to initialize mmc dev %d\n", i);
			return ret;
		}
	}

	return 0;
}

int board_mmc_getcd(struct mmc *mmc)
{
	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
	int ret = 0;

	switch (cfg->esdhc_base) {
	case USDHC1_BASE_ADDR:
		ret = 1; /* eMMC */
		break;
	case USDHC2_BASE_ADDR:
		ret = !gpio_get_value(USDHC1_CD_GPIO);
		break;
	case USDHC3_BASE_ADDR:
		ret = !gpio_get_value(USDHC2_CD_GPIO);
		break;
	}

	return ret;
}

#endif /* CONFIG_FSL_ESDHC */

#ifdef CONFIG_MXC_GPIO

#define BKL1_GPIO   IMX_GPIO_NR(1, 10)

static iomux_cfg_t board_gpios[] = {
	SC_P_LVDS1_GPIO00 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
};

static void board_gpio_init(void)
{
	imx8_iomux_setup_multiple_pads(board_gpios, ARRAY_SIZE(board_gpios));

	gpio_request(BKL1_GPIO, "BKL1_GPIO");
	gpio_direction_output(BKL1_GPIO, 1);
}
#endif

#ifdef CONFIG_FEC_MXC
#include <miiphy.h>

#define ETH_RESET   IMX_GPIO_NR(1, 11)

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),
	SC_P_ENET0_REFCLK_125M_25M | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_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),

	/*  Ethernet PHY reset */
	SC_P_LVDS1_GPIO01 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
};

static void setup_iomux_fec(void)
{
	imx8_iomux_setup_multiple_pads(pad_enet0, ARRAY_SIZE(pad_enet0));
}

static void enet_device_phy_reset(void)
{
	gpio_request(ETH_RESET, "ETH_RESET#");
	gpio_direction_output(ETH_RESET, 0);
	mdelay(10);
	gpio_set_value(ETH_RESET, 1);
}

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

	if (!power_domain_lookup_name("conn_enet0", &pd))
		power_domain_on(&pd);

	setup_iomux_fec();

	enet_device_phy_reset();

	ret = fecmxc_initialize_multi(bis, 0,
		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)
{
	if (phydev->drv->config)
		phydev->drv->config(phydev);

	return 0;
}
#endif

int checkboard(void)
{
	puts("Board: Apalis iMX8\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

int board_init(void)
{
#ifdef CONFIG_MXC_GPIO
	board_gpio_init();
#endif

#ifdef CONFIG_FSL_HSIO
	imx8qm_hsio_initialize();
#ifdef CONFIG_SCSI_AHCI_PLAT
	sata_init();
#endif
#endif
	return 0;
}

void board_quiesce_devices()
{
	const char *power_on_devices[] = {
		"dma_lpuart1",
	};

	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\n");
	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 mmc_map_to_kernel_blk(int dev_no)
{
	return dev_no;
}

static int check_mmc_autodetect(void)
{
	char *autodetect_str = getenv("mmcautodetect");

	if ((autodetect_str != NULL) &&
		(strcmp(autodetect_str, "yes") == 0)) {
		return 1;
	}

	return 0;
}

void board_late_mmc_env_init(void)
{
	char cmd[32];
	char mmcblk[32];
	u32 dev_no = mmc_get_env_dev();

	if (!check_mmc_autodetect())
		return;

	setenv_ulong("mmcdev", dev_no);

	/* Set mmcblk env */
	sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw",
		mmc_map_to_kernel_blk(dev_no));
	setenv("mmcroot", mmcblk);

	sprintf(cmd, "mmc dev %d", dev_no);
	run_command(cmd, 0);
}

int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
	setenv("board_name", "ARM2");
	setenv("board_rev", "iMX8QM");
#endif

#ifdef CONFIG_ENV_IS_IN_MMC
	board_late_mmc_env_init();
#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*/

/* Only Enable USB3 resources currently */
int board_usb_init(int index, enum usb_init_type init)
{
#ifndef CONFIG_DM_USB
	struct power_domain pd;
	int ret;

	/* Power on usb */
	if (!power_domain_lookup_name("conn_usb2", &pd)) {
		ret = power_domain_on(&pd);
		if (ret)
			printf("conn_usb2 Power up failed! (error = %d)\n", ret);
	}

	if (!power_domain_lookup_name("conn_usb2_phy", &pd)) {
		ret = power_domain_on(&pd);
		if (ret)
			printf("conn_usb2_phy Power up failed! (error = %d)\n", ret);
	}
#endif

	return 0;
}

#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 */