1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
11 #include <asm/cache.h>
13 #include <asm/arch/sys_proto.h>
14 #include <linux/libfdt.h>
16 u32 spl_boot_device(void)
20 boot_mode = get_bootmode();
24 case BOOT_FLASH_EMMC_1:
25 return BOOT_DEVICE_MMC1;
27 case BOOT_FLASH_EMMC_2:
28 return BOOT_DEVICE_MMC2;
29 case BOOT_SERIAL_UART_1:
30 case BOOT_SERIAL_UART_2:
31 case BOOT_SERIAL_UART_3:
32 case BOOT_SERIAL_UART_4:
33 case BOOT_SERIAL_UART_5:
34 case BOOT_SERIAL_UART_6:
35 case BOOT_SERIAL_UART_7:
36 case BOOT_SERIAL_UART_8:
37 return BOOT_DEVICE_UART;
38 case BOOT_SERIAL_USB_OTG:
39 return BOOT_DEVICE_USB;
40 case BOOT_FLASH_NAND_FMC:
41 return BOOT_DEVICE_NAND;
42 case BOOT_FLASH_NOR_QSPI:
43 return BOOT_DEVICE_SPI;
44 case BOOT_FLASH_SPINAND_1:
45 return BOOT_DEVICE_NONE; /* SPINAND not supported in SPL */
48 return BOOT_DEVICE_MMC1;
51 u32 spl_mmc_boot_mode(const u32 boot_device)
53 return MMCSD_MODE_RAW;
56 int spl_mmc_boot_partition(const u32 boot_device)
58 switch (boot_device) {
59 case BOOT_DEVICE_MMC1:
60 return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION;
61 case BOOT_DEVICE_MMC2:
62 return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_MMC2;
68 #ifdef CONFIG_SPL_DISPLAY_PRINT
69 void spl_display_print(void)
71 DECLARE_GLOBAL_DATA_PTR;
74 /* same code than show_board_info() but not compiled for SPL
75 * see CONFIG_DISPLAY_BOARDINFO & common/board_info.c
77 model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
79 printf("Model: %s\n", model);
83 __weak int board_early_init_f(void)
88 void board_init_f(ulong dummy)
95 ret = spl_early_init();
97 debug("spl_early_init() failed: %d\n", ret);
101 ret = uclass_get_device(UCLASS_CLK, 0, &dev);
103 debug("Clock init failed: %d\n", ret);
107 ret = uclass_get_device(UCLASS_RESET, 0, &dev);
109 debug("Reset init failed: %d\n", ret);
113 ret = uclass_get_device(UCLASS_PINCTRL, 0, &dev);
115 debug("%s: Cannot find pinctrl device\n", __func__);
119 /* enable console uart printing */
120 preloader_console_init();
122 ret = board_early_init_f();
124 debug("board_early_init_f() failed: %d\n", ret);
128 ret = uclass_get_device(UCLASS_RAM, 0, &dev);
130 printf("DRAM init failed: %d\n", ret);
135 * activate cache on DDR only when DDR is fully initialized
136 * to avoid speculative access and issue in get_ram_size()
138 if (!CONFIG_IS_ENABLED(SYS_DCACHE_OFF))
139 mmu_set_region_dcache_behaviour(STM32_DDR_BASE, STM32_DDR_SIZE,
140 DCACHE_DEFAULT_OPTION);
143 void spl_board_prepare_for_boot(void)
148 void spl_board_prepare_for_boot_linux(void)