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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright 2018 NXP
- */
- #include <common.h>
- #include <env.h>
- #include <errno.h>
- #include <linux/libfdt.h>
- #include <environment.h>
- #include <fsl_esdhc_imx.h>
- #include <asm/io.h>
- #include <asm/gpio.h>
- #include <asm/arch/clock.h>
- #include <asm/arch/sci/sci.h>
- #include <asm/arch/imx8-pins.h>
- #include <asm/arch/iomux.h>
- #include <asm/arch/sys_proto.h>
- DECLARE_GLOBAL_DATA_PTR;
- #define GPIO_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << 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))
- #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();
- return 0;
- }
- #if IS_ENABLED(CONFIG_DM_GPIO)
- static void board_gpio_init(void)
- {
- struct gpio_desc desc;
- int ret;
- ret = dm_gpio_lookup_name("gpio@1a_3", &desc);
- if (ret)
- return;
- ret = dm_gpio_request(&desc, "bb_per_rst_b");
- if (ret)
- return;
- dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
- dm_gpio_set_value(&desc, 0);
- udelay(50);
- dm_gpio_set_value(&desc, 1);
- }
- #else
- static inline void board_gpio_init(void) {}
- #endif
- #if IS_ENABLED(CONFIG_FEC_MXC)
- #include <miiphy.h>
- 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, 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: iMX8QXP MEK\n");
- build_info();
- print_bootinfo();
- return 0;
- }
- int board_init(void)
- {
- 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", "iMX8QXP");
- #endif
- return 0;
- }
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