1 // SPDX-License-Identifier: GPL-2.0+
9 #include <linux/libfdt.h>
10 #include <fsl_esdhc_imx.h>
13 #include <asm/arch/clock.h>
14 #include <asm/arch/sci/sci.h>
15 #include <asm/arch/imx8-pins.h>
16 #include <asm/arch/iomux.h>
17 #include <asm/arch/sys_proto.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 #define GPIO_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \
22 (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
23 (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
24 (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
26 #define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
27 (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
28 (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
29 (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
31 static iomux_cfg_t uart0_pads[] = {
32 SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
33 SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
36 static void setup_iomux_uart(void)
38 imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
41 int board_early_init_f(void)
43 sc_pm_clock_rate_t rate = SC_80MHZ;
46 /* Set UART0 clock root to 80 MHz */
47 ret = sc_pm_setup_uart(SC_R_UART_0, rate);
56 #if IS_ENABLED(CONFIG_DM_GPIO)
57 static void board_gpio_init(void)
59 struct gpio_desc desc;
62 ret = dm_gpio_lookup_name("gpio@1a_3", &desc);
66 ret = dm_gpio_request(&desc, "bb_per_rst_b");
70 dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
71 dm_gpio_set_value(&desc, 0);
73 dm_gpio_set_value(&desc, 1);
76 static inline void board_gpio_init(void) {}
79 #if IS_ENABLED(CONFIG_FEC_MXC)
82 int board_phy_config(struct phy_device *phydev)
84 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
85 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
87 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
88 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
90 if (phydev->drv->config)
91 phydev->drv->config(phydev);
99 puts("Board: iMX8QXP MEK\n");
114 void detail_board_ddr_info(void)
120 * Board specific reset that is system reset.
122 void reset_cpu(ulong addr)
127 #ifdef CONFIG_OF_BOARD_SETUP
128 int ft_board_setup(void *blob, bd_t *bd)
134 int board_mmc_get_env_dev(int devno)
139 int board_late_init(void)
141 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
142 env_set("board_name", "MEK");
143 env_set("board_rev", "iMX8QXP");