1 // SPDX-License-Identifier: GPL-2.0+
9 #include <linux/libfdt.h>
12 #include <asm/arch/clock.h>
13 #include <asm/arch/sci/sci.h>
14 #include <asm/arch/imx8-pins.h>
15 #include <asm/arch/iomux.h>
16 #include <asm/arch/sys_proto.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 #define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
21 (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
22 (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
23 (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
25 static iomux_cfg_t uart0_pads[] = {
26 SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
27 SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
30 static void setup_iomux_uart(void)
32 imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
35 int board_early_init_f(void)
37 sc_pm_clock_rate_t rate = SC_80MHZ;
40 /* Set UART0 clock root to 80 MHz */
41 ret = sc_pm_setup_uart(SC_R_UART_0, rate);
47 sc_pm_set_resource_power_mode(-1, SC_R_GPIO_5, SC_PM_PW_MODE_ON);
52 #if IS_ENABLED(CONFIG_DM_GPIO)
53 static void board_gpio_init(void)
58 static inline void board_gpio_init(void) {}
61 #if IS_ENABLED(CONFIG_FEC_MXC)
64 int board_phy_config(struct phy_device *phydev)
66 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
67 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
69 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
70 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
71 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
72 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
74 if (phydev->drv->config)
75 phydev->drv->config(phydev);
83 puts("Board: iMX8QM MEK\n");
93 /* Power up base board */
94 sc_pm_set_resource_power_mode(-1, SC_R_BOARD_R1, SC_PM_PW_MODE_ON);
101 void detail_board_ddr_info(void)
107 * Board specific reset that is system reset.
109 void reset_cpu(ulong addr)
114 #ifdef CONFIG_OF_BOARD_SETUP
115 int ft_board_setup(void *blob, bd_t *bd)
121 int board_mmc_get_env_dev(int devno)
126 int board_late_init(void)
128 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
129 env_set("board_name", "MEK");
130 env_set("board_rev", "iMX8QM");