diff options
Diffstat (limited to 'roms/u-boot/board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c')
| -rw-r--r-- | roms/u-boot/board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/roms/u-boot/board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c b/roms/u-boot/board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c new file mode 100644 index 000000000..ace18b2d6 --- /dev/null +++ b/roms/u-boot/board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c @@ -0,0 +1,141 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2017-2018 NXP + * Copyright (C) 2019 Oliver Graute <oliver.graute@kococonnector.com> + */ + +#include <common.h> +#include <cpu_func.h> +#include <env.h> +#include <errno.h> +#include <init.h> +#include <asm/global_data.h> +#include <linux/delay.h> +#include <linux/libfdt.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 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(); + + /* This is needed to because Kernel do not Power Up DC_0 */ + sc_pm_set_resource_power_mode(-1, SC_R_DC_0, SC_PM_PW_MODE_ON); + sc_pm_set_resource_power_mode(-1, SC_R_GPIO_5, SC_PM_PW_MODE_ON); + + return 0; +} + +#if IS_ENABLED(CONFIG_FEC_MXC) +#include <miiphy.h> + +int board_phy_config(struct phy_device *phydev) +{ +#ifdef CONFIG_FEC_ENABLE_MAX7322 + u8 value; + + /* This is needed to drive the pads to 1.8V instead of 1.5V */ + i2c_set_bus_num(CONFIG_MAX7322_I2C_BUS); + + if (!i2c_probe(CONFIG_MAX7322_I2C_ADDR)) { + /* Write 0x1 to enable O0 output, this device has no addr */ + /* hence addr length is 0 */ + value = 0x1; + if (dm_i2c_write(CONFIG_MAX7322_I2C_ADDR, 0, 0, &value, 1)) + printf("MAX7322 write failed\n"); + } else { + printf("MAX7322 Not found\n"); + } + mdelay(1); +#endif + + 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: ROM-7720-A1 4GB\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); + + return 0; +} + +/* + * Board specific reset that is system reset. + */ +void reset_cpu(void) +{ + /* TODO */ +} + +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", "ROM-7720-A1"); + env_set("board_rev", "iMX8QM"); +#endif + + env_set("sec_boot", "no"); +#ifdef CONFIG_AHAB_BOOT + env_set("sec_boot", "yes"); +#endif + + return 0; +} |