1 // SPDX-License-Identifier: GPL-2.0+
8 #include <linux/libfdt.h>
9 #include <environment.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)
38 /* Set UART0 clock root to 80 MHz */
39 sc_pm_clock_rate_t rate = 80000000;
42 ret = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON);
46 ret = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate);
50 /* Enable UART0 clock root */
51 ret = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false);
57 sc_pm_set_resource_power_mode(-1, SC_R_GPIO_5, SC_PM_PW_MODE_ON);
62 #if IS_ENABLED(CONFIG_DM_GPIO)
63 static void board_gpio_init(void)
68 static inline void board_gpio_init(void) {}
71 #if IS_ENABLED(CONFIG_FEC_MXC)
74 int board_phy_config(struct phy_device *phydev)
76 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
77 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
79 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
80 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
81 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
82 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
84 if (phydev->drv->config)
85 phydev->drv->config(phydev);
93 u32 sc_build = 0, sc_commit = 0;
95 /* Get SCFW build and commit id */
96 sc_misc_build_info(-1, &sc_build, &sc_commit);
98 printf("SCFW does not support build info\n");
99 sc_commit = 0; /* Display 0 when the build info is not supported*/
101 printf("Build: SCFW %x\n", sc_commit);
106 puts("Board: iMX8QM MEK\n");
116 /* Power up base board */
117 sc_pm_set_resource_power_mode(-1, SC_R_BOARD_R1, SC_PM_PW_MODE_ON);
124 void detail_board_ddr_info(void)
130 * Board specific reset that is system reset.
132 void reset_cpu(ulong addr)
137 #ifdef CONFIG_OF_BOARD_SETUP
138 int ft_board_setup(void *blob, bd_t *bd)
144 int board_mmc_get_env_dev(int devno)
149 int board_late_init(void)
151 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
152 env_set("board_name", "MEK");
153 env_set("board_rev", "iMX8QM");