1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause 2 /* 3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved 4 */ 5 6 #include <common.h> 7 #include <dm.h> 8 #include <spl.h> 9 #include <asm/io.h> 10 11 u32 spl_boot_device(void) 12 { 13 u32 boot_mode; 14 15 boot_mode = (readl(TAMP_BOOT_CONTEXT) & TAMP_BOOT_MODE_MASK) >> 16 TAMP_BOOT_MODE_SHIFT; 17 clrsetbits_le32(TAMP_BOOT_CONTEXT, 18 TAMP_BOOT_MODE_MASK, 19 boot_mode << TAMP_BOOT_MODE_SHIFT); 20 21 switch (boot_mode) { 22 case BOOT_FLASH_SD_1: 23 case BOOT_FLASH_EMMC_1: 24 return BOOT_DEVICE_MMC1; 25 case BOOT_FLASH_SD_2: 26 case BOOT_FLASH_EMMC_2: 27 return BOOT_DEVICE_MMC2; 28 } 29 30 return BOOT_DEVICE_MMC1; 31 } 32 33 u32 spl_boot_mode(const u32 boot_device) 34 { 35 return MMCSD_MODE_RAW; 36 } 37 38 int spl_boot_partition(const u32 boot_device) 39 { 40 switch (boot_device) { 41 case BOOT_DEVICE_MMC1: 42 return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION; 43 case BOOT_DEVICE_MMC2: 44 return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_MMC2; 45 default: 46 return -EINVAL; 47 } 48 } 49 50 void board_init_f(ulong dummy) 51 { 52 struct udevice *dev; 53 int ret; 54 55 arch_cpu_init(); 56 57 ret = spl_early_init(); 58 if (ret) { 59 debug("spl_early_init() failed: %d\n", ret); 60 hang(); 61 } 62 63 ret = uclass_get_device(UCLASS_CLK, 0, &dev); 64 if (ret) { 65 debug("Clock init failed: %d\n", ret); 66 return; 67 } 68 69 ret = uclass_get_device(UCLASS_RESET, 0, &dev); 70 if (ret) { 71 debug("Reset init failed: %d\n", ret); 72 return; 73 } 74 75 ret = uclass_get_device(UCLASS_PINCTRL, 0, &dev); 76 if (ret) { 77 debug("%s: Cannot find pinctrl device\n", __func__); 78 return; 79 } 80 81 /* enable console uart printing */ 82 preloader_console_init(); 83 84 ret = uclass_get_device(UCLASS_RAM, 0, &dev); 85 if (ret) { 86 debug("DRAM init failed: %d\n", ret); 87 return; 88 } 89 } 90