Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | // SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2024 PHYTEC Messtechnik GmbH * Author: Wadim Egorov <w.egorov@phytec.de> */ #include <env_internal.h> #include <fdt_support.h> #include <dm/ofnode.h> #include <spl.h> #include <malloc.h> #include <asm/arch/hardware.h> #include "../am6_som_detection.h" #if IS_ENABLED(CONFIG_ENV_IS_IN_FAT) || IS_ENABLED(CONFIG_ENV_IS_IN_MMC) int mmc_get_env_dev(void) { u32 boot_device = get_boot_device(); switch (boot_device) { case BOOT_DEVICE_MMC1: return 0; case BOOT_DEVICE_MMC2: return 1; }; return CONFIG_SYS_MMC_ENV_DEV; } #endif enum env_location env_get_location(enum env_operation op, int prio) { u32 boot_device = get_boot_device(); if (prio) return ENVL_UNKNOWN; switch (boot_device) { case BOOT_DEVICE_MMC1: case BOOT_DEVICE_MMC2: if (CONFIG_IS_ENABLED(ENV_IS_IN_FAT)) return ENVL_FAT; if (CONFIG_IS_ENABLED(ENV_IS_IN_MMC)) return ENVL_MMC; case BOOT_DEVICE_SPI: if (CONFIG_IS_ENABLED(ENV_IS_IN_SPI_FLASH)) return ENVL_SPI_FLASH; default: return ENVL_NOWHERE; }; } #if IS_ENABLED(CONFIG_BOARD_LATE_INIT) int board_late_init(void) { u32 boot_device = get_boot_device(); switch (boot_device) { case BOOT_DEVICE_MMC1: env_set_ulong("mmcdev", 0); env_set("boot", "mmc"); break; case BOOT_DEVICE_MMC2: env_set_ulong("mmcdev", 1); env_set("boot", "mmc"); break; case BOOT_DEVICE_SPI: env_set("boot", "spi"); break; case BOOT_DEVICE_ETHERNET: env_set("boot", "net"); break; }; if (IS_ENABLED(CONFIG_PHYTEC_SOM_DETECTION_BLOCKS)) { struct phytec_api3_element *block_element; struct phytec_eeprom_data data; int ret; ret = phytec_eeprom_data_setup(&data, 0, EEPROM_ADDR); if (ret || !data.valid) return 0; PHYTEC_API3_FOREACH_BLOCK(block_element, &data) { switch (block_element->block_type) { case PHYTEC_API3_BLOCK_MAC: phytec_blocks_add_mac_to_env(block_element); break; default: debug("%s: Unknown block type %i\n", __func__, block_element->block_type); } } } return 0; } #endif #if IS_ENABLED(CONFIG_OF_LIBFDT) && IS_ENABLED(CONFIG_OF_BOARD_SETUP) static int fdt_apply_overlay_from_fit(const char *overlay_path, void *fdt) { u64 loadaddr; ofnode node; int ret; node = ofnode_path(overlay_path); if (!ofnode_valid(node)) return -FDT_ERR_NOTFOUND; ret = ofnode_read_u64(node, "load", &loadaddr); if (ret) return ret; return fdt_overlay_apply_verbose(fdt, (void *)loadaddr); } static void fdt_apply_som_overlays(void *blob) { void *fdt_copy; u32 fdt_size; struct phytec_eeprom_data data; int err; fdt_size = fdt_totalsize(blob); fdt_copy = malloc(fdt_size); if (!fdt_copy) goto fixup_error; memcpy(fdt_copy, blob, fdt_size); err = phytec_eeprom_data_setup(&data, 0, EEPROM_ADDR); if (err) goto fixup_error; if (phytec_get_am6_rtc(&data) == 0) { err = fdt_apply_overlay_from_fit("/fit-images/som-no-rtc", fdt_copy); if (err) goto fixup_error; } if (phytec_get_am6_spi(&data) == PHYTEC_EEPROM_VALUE_X) { err = fdt_apply_overlay_from_fit("/fit-images/som-no-spi", fdt_copy); if (err) goto fixup_error; } if (phytec_get_am6_eth(&data) == 0) { err = fdt_apply_overlay_from_fit("/fit-images/som-no-eth", fdt_copy); if (err) goto fixup_error; } if (phytec_am6_is_qspi(&data)) { err = fdt_apply_overlay_from_fit("/fit-images/som-qspi-nor", fdt_copy); if (err) goto fixup_error; } memcpy(blob, fdt_copy, fdt_size); cleanup: free(fdt_copy); return; fixup_error: pr_err("Failed to apply SoM overlays\n"); goto cleanup; } int ft_board_setup(void *blob, struct bd_info *bd) { fdt_apply_som_overlays(blob); fdt_copy_fixed_partitions(blob); return 0; } #endif |