1 /* 2 * Copyright (c) 2017-2024 Nordic Semiconductor ASA 3 * Copyright (c) 2015 Runtime Inc 4 * Copyright (c) 2023 Sensorfy B.V. 5 * 6 * SPDX-License-Identifier: Apache-2.0 7 */ 8 9 #define DT_DRV_COMPAT fixed_partitions 10 11 #include <zephyr/device.h> 12 #include <zephyr/kernel.h> 13 #include <zephyr/storage/flash_map.h> 14 15 #if CONFIG_FLASH_MAP_LABELS 16 #define FLASH_AREA_FOO(part) \ 17 {.fa_id = DT_FIXED_PARTITION_ID(part), \ 18 .fa_off = DT_REG_ADDR(part), \ 19 .fa_dev = DEVICE_DT_GET(DT_MTD_FROM_FIXED_PARTITION(part)), \ 20 .fa_size = DT_REG_SIZE(part), \ 21 .fa_label = DT_PROP_OR(part, label, NULL), }, 22 #else 23 #define FLASH_AREA_FOO(part) \ 24 {.fa_id = DT_FIXED_PARTITION_ID(part), \ 25 .fa_off = DT_REG_ADDR(part), \ 26 .fa_dev = DEVICE_DT_GET(DT_MTD_FROM_FIXED_PARTITION(part)), \ 27 .fa_size = DT_REG_SIZE(part), }, 28 #endif 29 30 #define FLASH_AREA_FOOO(part) \ 31 COND_CODE_1(DT_NODE_HAS_STATUS_OKAY(DT_MTD_FROM_FIXED_PARTITION(part)), \ 32 (FLASH_AREA_FOO(part)), ()) 33 34 #define FOREACH_PARTITION(n) DT_FOREACH_CHILD(DT_DRV_INST(n), FLASH_AREA_FOOO) 35 36 /* We iterate over all compatible 'fixed-partitions' nodes and 37 * use DT_FOREACH_CHILD to iterate over all the partitions for that 38 * 'fixed-partitions' node. This way we build a global partition map 39 */ 40 const struct flash_area default_flash_map[] = { 41 DT_INST_FOREACH_STATUS_OKAY(FOREACH_PARTITION) 42 }; 43 44 const int flash_map_entries = ARRAY_SIZE(default_flash_map); 45 const struct flash_area *flash_map = default_flash_map; 46 47 /* Generate objects representing each partition in system. In the end only 48 * objects referenced by code will be included into build. 49 */ 50 #define DEFINE_PARTITION(part) DEFINE_PARTITION_1(part, DT_DEP_ORD(part)) 51 #define DEFINE_PARTITION_1(part, ord) \ 52 COND_CODE_1(DT_NODE_HAS_STATUS_OKAY(DT_MTD_FROM_FIXED_PARTITION(part)), \ 53 (DEFINE_PARTITION_0(part, ord)), ()) 54 #define DEFINE_PARTITION_0(part, ord) \ 55 const struct flash_area DT_CAT(global_fixed_partition_ORD_, ord) = { \ 56 .fa_id = DT_FIXED_PARTITION_ID(part), \ 57 .fa_off = DT_REG_ADDR(part), \ 58 .fa_dev = DEVICE_DT_GET(DT_MTD_FROM_FIXED_PARTITION(part)), \ 59 .fa_size = DT_REG_SIZE(part), \ 60 }; 61 62 #define FOR_EACH_PARTITION_TABLE(table) DT_FOREACH_CHILD(table, DEFINE_PARTITION) 63 DT_FOREACH_STATUS_OKAY(fixed_partitions, FOR_EACH_PARTITION_TABLE) 64
