// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2018 NXP */ #include #include #include #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; #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_pm_clock_rate_t rate = SC_80MHZ; int ret; /* Set UART0 clock root to 80 MHz */ ret = sc_pm_setup_uart(SC_R_UART_0, rate); if (ret) return ret; setup_iomux_uart(); sc_pm_set_resource_power_mode(-1, SC_R_GPIO_5, SC_PM_PW_MODE_ON); return 0; } #if IS_ENABLED(CONFIG_DM_GPIO) static void board_gpio_init(void) { /* TODO */ } #else static inline void board_gpio_init(void) {} #endif #if IS_ENABLED(CONFIG_FEC_MXC) #include 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 int checkboard(void) { puts("Board: iMX8QM MEK\n"); build_info(); print_bootinfo(); return 0; } int board_init(void) { /* Power up base board */ sc_pm_set_resource_power_mode(-1, SC_R_BOARD_R1, SC_PM_PW_MODE_ON); board_gpio_init(); return 0; } void detail_board_ddr_info(void) { puts("\nDDR "); } /* * Board specific reset that is system reset. */ void reset_cpu(ulong addr) { /* TODO */ } #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 board_late_init(void) { #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG env_set("board_name", "MEK"); env_set("board_rev", "iMX8QM"); #endif return 0; }