| /* |
| * Copyright 2018-2019 NXP |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <cpu_func.h> |
| #include <hang.h> |
| #include <image.h> |
| #include <init.h> |
| #include <log.h> |
| #include <spl.h> |
| #include <asm/global_data.h> |
| #include <asm/io.h> |
| #include <asm/mach-imx/iomux-v3.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/imx8mn_pins.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/mach-imx/boot_mode.h> |
| #include <asm/arch/ddr.h> |
| |
| #include <dm/uclass.h> |
| #include <dm/device.h> |
| #include <dm/uclass-internal.h> |
| #include <dm/device-internal.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| int spl_board_boot_device(enum boot_device boot_dev_spl) |
| { |
| return BOOT_DEVICE_BOOTROM; |
| } |
| |
| void spl_dram_init(void) |
| { |
| ddr_init(&dram_timing); |
| } |
| |
| void spl_board_init(void) |
| { |
| struct udevice *dev; |
| int ret; |
| |
| puts("Normal Boot\n"); |
| |
| ret = uclass_get_device_by_name(UCLASS_CLK, |
| "clock-controller@30380000", |
| &dev); |
| if (ret < 0) |
| printf("Failed to find clock node. Check device tree\n"); |
| } |
| |
| #ifdef CONFIG_SPL_LOAD_FIT |
| int board_fit_config_name_match(const char *name) |
| { |
| /* Just empty function now - can't decide what to choose */ |
| debug("%s: %s\n", __func__, name); |
| |
| return 0; |
| } |
| #endif |
| |
| #define UART_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL1) |
| #define WDOG_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE) |
| |
| static iomux_v3_cfg_t const uart_pads[] = { |
| IMX8MN_PAD_UART2_RXD__UART2_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| IMX8MN_PAD_UART2_TXD__UART2_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| }; |
| |
| static iomux_v3_cfg_t const wdog_pads[] = { |
| IMX8MN_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL), |
| }; |
| |
| int board_early_init_f(void) |
| { |
| struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR; |
| |
| imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); |
| |
| set_wdog_reset(wdog); |
| |
| imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads)); |
| |
| init_uart_clk(1); |
| |
| return 0; |
| } |
| |
| void board_init_f(ulong dummy) |
| { |
| int ret; |
| |
| arch_cpu_init(); |
| |
| init_uart_clk(1); |
| |
| board_early_init_f(); |
| |
| timer_init(); |
| |
| preloader_console_init(); |
| |
| /* Clear the BSS. */ |
| memset(__bss_start, 0, __bss_end - __bss_start); |
| |
| ret = spl_init(); |
| if (ret) { |
| debug("spl_init() failed: %d\n", ret); |
| hang(); |
| } |
| |
| enable_tzc380(); |
| |
| /* DDR initialization */ |
| spl_dram_init(); |
| |
| board_init_r(NULL, 0); |
| } |