diff options
author | Tom Rini <trini@konsulko.com> | 2019-04-30 23:21:27 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2019-05-01 07:25:51 -0400 |
commit | b4ee6daad7a2604ca9466b2ba48de86cc27d381f (patch) | |
tree | f28b8d6bfeface9e9f188ffc37322c89e9d1fe77 /board/freescale/imx8qm_mek/imx8qm_mek.c | |
parent | a69120a0d7c8d4044cdaceea9eb03913ba4e49c7 (diff) | |
parent | 0d3912fcd41dc2a85891f78e8fc255a379323619 (diff) |
Merge tag 'u-boot-imx-20190426' of git://git.denx.de/u-boot-imx
Porting to DM and i.MX8
------------------------
- warp7 to DM
- kp_imx53 to DM
- Warnings in DT
- MX8QM support
- colibri-imx6ull to DM
- imx7d-pico to DM
- ocotp for MX8
Diffstat (limited to 'board/freescale/imx8qm_mek/imx8qm_mek.c')
-rw-r--r-- | board/freescale/imx8qm_mek/imx8qm_mek.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/board/freescale/imx8qm_mek/imx8qm_mek.c b/board/freescale/imx8qm_mek/imx8qm_mek.c new file mode 100644 index 0000000000..e69efc4dd6 --- /dev/null +++ b/board/freescale/imx8qm_mek/imx8qm_mek.c @@ -0,0 +1,157 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + */ + +#include <common.h> +#include <errno.h> +#include <linux/libfdt.h> +#include <environment.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) +{ + int ret; + /* Set UART0 clock root to 80 MHz */ + sc_pm_clock_rate_t rate = 80000000; + + /* Power up UART0 */ + ret = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON); + if (ret) + return ret; + + ret = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate); + if (ret) + return ret; + + /* Enable UART0 clock root */ + ret = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false); + if (ret) + return ret; + + setup_iomux_uart(); + + sc_pm_set_resource_power_mode(-1, SC_R_GPIO_5, SC_PM_PW_MODE_ON); + + return 0; +} + +#if IS_ENABLED(CONFIG_DM_GPIO) +static void board_gpio_init(void) +{ + /* TODO */ +} +#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, 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 + +void build_info(void) +{ + u32 sc_build = 0, sc_commit = 0; + + /* Get SCFW build and commit id */ + sc_misc_build_info(-1, &sc_build, &sc_commit); + if (!sc_build) { + printf("SCFW does not support build info\n"); + sc_commit = 0; /* Display 0 when the build info is not supported*/ + } + printf("Build: SCFW %x\n", sc_commit); +} + +int checkboard(void) +{ + puts("Board: iMX8QM MEK\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); + + 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", "iMX8QM"); +#endif + + return 0; +} |