1 files changed, 319 insertions, 0 deletions
diff --git a/board/freescale/imx93_evk/imx93_evk.c b/board/freescale/imx93_evk/imx93_evk.c
new file mode 100644
index 0000000000..02eaffe396
--- /dev/null
+++ b/board/freescale/imx93_evk/imx93_evk.c
@@ -0,0 +1,319 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2022 NXP
+ */
+
+#include <common.h>
+#include <env.h>
+#include <init.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <asm/global_data.h>
+#include <asm/arch-imx9/ccm_regs.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch-imx9/imx93_pins.h>
+#include <asm/arch/clock.h>
+#include <power/pmic.h>
+#include "../common/tcpc.h"
+#include <dm/device.h>
+#include <dm/uclass.h>
+#include <usb.h>
+#include <dwc3-uboot.h>
+#include <asm/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL	(PAD_CTL_DSE(6) | PAD_CTL_FSEL2)
+#define WDOG_PAD_CTRL	(PAD_CTL_DSE(6) | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
+
+static iomux_v3_cfg_t const uart_pads[] = {
+	MX93_PAD_UART1_RXD__LPUART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX93_PAD_UART1_TXD__LPUART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+int board_early_init_f(void)
+{
+	imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
+
+	init_uart_clk(LPUART1_CLK_ROOT);
+
+	return 0;
+}
+
+#ifdef CONFIG_USB_TCPC
+struct tcpc_port port1;
+struct tcpc_port port2;
+struct tcpc_port portpd;
+
+static int setup_pd_switch(uint8_t i2c_bus, uint8_t addr)
+{
+	struct udevice *bus;
+	struct udevice *i2c_dev = NULL;
+	int ret;
+	uint8_t valb;
+
+	ret = uclass_get_device_by_seq(UCLASS_I2C, i2c_bus, &bus);
+	if (ret) {
+		printf("%s: Can't find bus\n", __func__);
+		return -EINVAL;
+	}
+
+	ret = dm_i2c_probe(bus, addr, 0, &i2c_dev);
+	if (ret) {
+		printf("%s: Can't find device id=0x%x\n",
+			__func__, addr);
+		return -ENODEV;
+	}
+
+	ret = dm_i2c_read(i2c_dev, 0xB, &valb, 1);
+	if (ret) {
+		printf("%s dm_i2c_read failed, err %d\n", __func__, ret);
+		return -EIO;
+	}
+	valb |= 0x4; /* Set DB_EXIT to exit dead battery mode */
+	ret = dm_i2c_write(i2c_dev, 0xB, (const uint8_t *)&valb, 1);
+	if (ret) {
+		printf("%s dm_i2c_write failed, err %d\n", __func__, ret);
+		return -EIO;
+	}
+
+	/* Set OVP threshold to 23V */
+	valb = 0x6;
+	ret = dm_i2c_write(i2c_dev, 0x8, (const uint8_t *)&valb, 1);
+	if (ret) {
+		printf("%s dm_i2c_write failed, err %d\n", __func__, ret);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int pd_switch_snk_enable(struct tcpc_port *port)
+{
+	if (port == &port1) {
+		debug("Setup pd switch on port 1\n");
+		return setup_pd_switch(2, 0x71);
+	} else if (port == &port2) {
+		debug("Setup pd switch on port 2\n");
+		return setup_pd_switch(2, 0x73);
+	} else
+		return -EINVAL;
+}
+
+struct tcpc_port_config portpd_config = {
+	.i2c_bus = 2, /*i2c3*/
+	.addr = 0x52,
+	.port_type = TYPEC_PORT_UFP,
+	.max_snk_mv = 20000,
+	.max_snk_ma = 3000,
+	.max_snk_mw = 15000,
+	.op_snk_mv = 9000,
+};
+
+struct tcpc_port_config port1_config = {
+	.i2c_bus = 2, /*i2c3*/
+	.addr = 0x50,
+	.port_type = TYPEC_PORT_UFP,
+	.max_snk_mv = 5000,
+	.max_snk_ma = 3000,
+	.max_snk_mw = 40000,
+	.op_snk_mv = 9000,
+	.switch_setup_func = &pd_switch_snk_enable,
+	.disable_pd = true,
+};
+
+struct tcpc_port_config port2_config = {
+	.i2c_bus = 2, /*i2c3*/
+	.addr = 0x51,
+	.port_type = TYPEC_PORT_UFP,
+	.max_snk_mv = 9000,
+	.max_snk_ma = 3000,
+	.max_snk_mw = 40000,
+	.op_snk_mv = 9000,
+	.switch_setup_func = &pd_switch_snk_enable,
+	.disable_pd = true,
+};
+
+static int setup_typec(void)
+{
+	int ret;
+
+	debug("tcpc_init port pd\n");
+	ret = tcpc_init(&portpd, portpd_config, NULL);
+	if (ret) {
+		printf("%s: tcpc portpd init failed, err=%d\n",
+		       __func__, ret);
+	}
+
+	debug("tcpc_init port 2\n");
+	ret = tcpc_init(&port2, port2_config, NULL);
+	if (ret) {
+		printf("%s: tcpc port2 init failed, err=%d\n",
+		       __func__, ret);
+	}
+
+	debug("tcpc_init port 1\n");
+	ret = tcpc_init(&port1, port1_config, NULL);
+	if (ret) {
+		printf("%s: tcpc port1 init failed, err=%d\n",
+		       __func__, ret);
+	}
+
+	return ret;
+}
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+	int ret = 0;
+	struct tcpc_port *port_ptr;
+
+	debug("board_usb_init %d, type %d\n", index, init);
+
+	if (index == 0)
+		port_ptr = &port1;
+	else
+		port_ptr = &port2;
+
+	if (init == USB_INIT_HOST)
+		tcpc_setup_dfp_mode(port_ptr);
+	else
+		tcpc_setup_ufp_mode(port_ptr);
+
+	return ret;
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
+	int ret = 0;
+
+	debug("board_usb_cleanup %d, type %d\n", index, init);
+
+	if (init == USB_INIT_HOST) {
+		if (index == 0)
+			ret = tcpc_disable_src_vbus(&port1);
+		else
+			ret = tcpc_disable_src_vbus(&port2);
+	}
+
+	return ret;
+}
+
+int board_ehci_usb_phy_mode(struct udevice *dev)
+{
+	int ret = 0;
+	enum typec_cc_polarity pol;
+	enum typec_cc_state state;
+	struct tcpc_port *port_ptr;
+
+	debug("%s %d\n", __func__, dev_seq(dev));
+
+	if (dev_seq(dev) == 0)
+		port_ptr = &port1;
+	else
+		port_ptr = &port2;
+
+	tcpc_setup_ufp_mode(port_ptr);
+
+	ret = tcpc_get_cc_status(port_ptr, &pol, &state);
+
+	tcpc_print_log(port_ptr);
+	if (!ret) {
+		if (state == TYPEC_STATE_SRC_RD_RA || state == TYPEC_STATE_SRC_RD)
+			return USB_INIT_HOST;
+	}
+
+	return USB_INIT_DEVICE;
+}
+#endif
+
+static int setup_fec(void)
+{
+	return set_clk_enet(ENET_125MHZ);
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+
+	return 0;
+}
+
+static int setup_eqos(void)
+{
+	struct blk_ctrl_wakeupmix_regs *bctrl =
+		(struct blk_ctrl_wakeupmix_regs *)BLK_CTRL_WAKEUPMIX_BASE_ADDR;
+
+	/* set INTF as RGMII, enable RGMII TXC clock */
+	clrsetbits_le32(&bctrl->eqos_gpr,
+			BCTRL_GPR_ENET_QOS_INTF_MODE_MASK,
+			BCTRL_GPR_ENET_QOS_INTF_SEL_RGMII | BCTRL_GPR_ENET_QOS_CLK_GEN_EN);
+
+	return set_clk_eqos(ENET_125MHZ);
+}
+
+static void board_gpio_init(void)
+{
+	struct gpio_desc desc;
+	int ret;
+
+	/* Enable EXT1_PWREN for PCIE_3.3V */
+	ret = dm_gpio_lookup_name("gpio@22_13", &desc);
+	if (ret)
+		return;
+
+	ret = dm_gpio_request(&desc, "EXT1_PWREN");
+	if (ret)
+		return;
+
+	dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
+	dm_gpio_set_value(&desc, 1);
+
+	/* Deassert SD3_nRST */
+	ret = dm_gpio_lookup_name("gpio@22_12", &desc);
+	if (ret)
+		return;
+
+	ret = dm_gpio_request(&desc, "SD3_nRST");
+	if (ret)
+		return;
+
+	dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
+	dm_gpio_set_value(&desc, 1);
+}
+
+int board_init(void)
+{
+#ifdef CONFIG_USB_TCPC
+	setup_typec();
+#endif
+
+	if (CONFIG_IS_ENABLED(FEC_MXC))
+		setup_fec();
+
+	if (CONFIG_IS_ENABLED(DWC_ETH_QOS))
+		setup_eqos();
+
+	board_gpio_init();
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_IS_IN_MMC
+	board_late_mmc_env_init();
+#endif
+
+	env_set("sec_boot", "no");
+#ifdef CONFIG_AHAB_BOOT
+	env_set("sec_boot", "yes");
+#endif
+
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+	env_set("board_name", "11X11_EVK");
+	env_set("board_rev", "iMX93");
+#endif
+	return 0;
+}
+