1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
12 #include <asm/arch/sys_proto.h>
13 #include <linux/libfdt.h>
15 u32 spl_boot_device(void)
19 boot_mode = get_bootmode();
23 case BOOT_FLASH_EMMC_1:
24 return BOOT_DEVICE_MMC1;
26 case BOOT_FLASH_EMMC_2:
27 return BOOT_DEVICE_MMC2;
28 case BOOT_SERIAL_UART_1:
29 case BOOT_SERIAL_UART_2:
30 case BOOT_SERIAL_UART_3:
31 case BOOT_SERIAL_UART_4:
32 case BOOT_SERIAL_UART_5:
33 case BOOT_SERIAL_UART_6:
34 case BOOT_SERIAL_UART_7:
35 case BOOT_SERIAL_UART_8:
36 return BOOT_DEVICE_UART;
37 case BOOT_SERIAL_USB_OTG:
38 return BOOT_DEVICE_USB;
39 case BOOT_FLASH_NAND_FMC:
40 return BOOT_DEVICE_NAND;
41 case BOOT_FLASH_NOR_QSPI:
42 return BOOT_DEVICE_SPI;
43 case BOOT_FLASH_SPINAND_1:
44 return BOOT_DEVICE_NONE; /* SPINAND not supported in SPL */
47 return BOOT_DEVICE_MMC1;
50 u32 spl_mmc_boot_mode(const u32 boot_device)
52 return MMCSD_MODE_RAW;
55 int spl_mmc_boot_partition(const u32 boot_device)
57 switch (boot_device) {
58 case BOOT_DEVICE_MMC1:
59 return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION;
60 case BOOT_DEVICE_MMC2:
61 return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_MMC2;
67 #ifdef CONFIG_SPL_DISPLAY_PRINT
68 void spl_display_print(void)
70 DECLARE_GLOBAL_DATA_PTR;
73 /* same code than show_board_info() but not compiled for SPL
74 * see CONFIG_DISPLAY_BOARDINFO & common/board_info.c
76 model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
78 printf("Model: %s\n", model);
82 __weak int board_early_init_f(void)
87 void board_init_f(ulong dummy)
94 ret = spl_early_init();
96 debug("spl_early_init() failed: %d\n", ret);
100 ret = uclass_get_device(UCLASS_CLK, 0, &dev);
102 debug("Clock init failed: %d\n", ret);
106 ret = uclass_get_device(UCLASS_RESET, 0, &dev);
108 debug("Reset init failed: %d\n", ret);
112 ret = uclass_get_device(UCLASS_PINCTRL, 0, &dev);
114 debug("%s: Cannot find pinctrl device\n", __func__);
118 /* enable console uart printing */
119 preloader_console_init();
121 ret = board_early_init_f();
123 debug("board_early_init_f() failed: %d\n", ret);
127 ret = uclass_get_device(UCLASS_RAM, 0, &dev);
129 printf("DRAM init failed: %d\n", ret);
134 * activate cache on DDR only when DDR is fully initialized
135 * to avoid speculative access and issue in get_ram_size()
137 if (!CONFIG_IS_ENABLED(SYS_DCACHE_OFF))
138 mmu_set_region_dcache_behaviour(STM32_DDR_BASE, STM32_DDR_SIZE,
139 DCACHE_DEFAULT_OPTION);
142 void spl_board_prepare_for_boot(void)
147 void spl_board_prepare_for_boot_linux(void)