709526007f
Adds support for sub-partitions to the default flash map Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
79 lines
3.2 KiB
C
79 lines
3.2 KiB
C
/*
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* Copyright (c) 2017-2024 Nordic Semiconductor ASA
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* Copyright (c) 2015 Runtime Inc
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* Copyright (c) 2023 Sensorfy B.V.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/device.h>
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#include <zephyr/kernel.h>
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#include <zephyr/storage/flash_map.h>
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#if CONFIG_FLASH_MAP_LABELS
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#define FLASH_AREA_FOO(part, mtd_from_partition) \
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{.fa_id = DT_FIXED_PARTITION_ID(part), \
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.fa_off = DT_REG_ADDR(part), \
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.fa_dev = DEVICE_DT_GET(mtd_from_partition(part)), \
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.fa_size = DT_REG_SIZE(part), \
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.fa_label = DT_PROP_OR(part, label, NULL), },
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#else
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#define FLASH_AREA_FOO(part, mtd_from_partition) \
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{.fa_id = DT_FIXED_PARTITION_ID(part), \
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.fa_off = DT_REG_ADDR(part), \
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.fa_dev = DEVICE_DT_GET(mtd_from_partition(part)), \
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.fa_size = DT_REG_SIZE(part), },
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#endif
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#define FLASH_AREA_FOOO(part) \
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COND_CODE_1(DT_NODE_HAS_COMPAT(DT_PARENT(part), fixed_partitions), (\
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COND_CODE_1(DT_NODE_HAS_STATUS_OKAY(DT_MTD_FROM_FIXED_PARTITION(part)), \
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(FLASH_AREA_FOO(part, DT_MTD_FROM_FIXED_PARTITION)), ())), ( \
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COND_CODE_1(DT_NODE_HAS_STATUS_OKAY(DT_MTD_FROM_FIXED_SUBPARTITION(part)), \
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(FLASH_AREA_FOO(part, DT_MTD_FROM_FIXED_SUBPARTITION)), ())))
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#define FOREACH_PARTITION(n) DT_FOREACH_CHILD(n, FLASH_AREA_FOOO)
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/* We iterate over all compatible 'fixed-partitions' nodes and
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* use DT_FOREACH_CHILD to iterate over all the partitions for that
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* 'fixed-partitions' node. This way we build a global partition map
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*/
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const struct flash_area default_flash_map[] = {
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DT_FOREACH_STATUS_OKAY(fixed_partitions, FOREACH_PARTITION)
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};
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const int flash_map_entries = ARRAY_SIZE(default_flash_map);
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const struct flash_area *flash_map = default_flash_map;
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/* Generate objects representing each partition in system. In the end only
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* objects referenced by code will be included into build.
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*/
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#define DEFINE_PARTITION(part) DEFINE_PARTITION_1(part, DT_DEP_ORD(part))
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#define DEFINE_PARTITION_1(part, ord) \
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COND_CODE_1(DT_NODE_HAS_STATUS_OKAY(DT_MTD_FROM_FIXED_PARTITION(part)), \
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(DEFINE_PARTITION_0(part, ord)), ())
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#define DEFINE_PARTITION_0(part, ord) \
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const struct flash_area DT_CAT(global_fixed_partition_ORD_, ord) = { \
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.fa_id = DT_FIXED_PARTITION_ID(part), \
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.fa_off = DT_REG_ADDR(part), \
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.fa_dev = DEVICE_DT_GET(DT_MTD_FROM_FIXED_PARTITION(part)), \
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.fa_size = DT_REG_SIZE(part), \
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};
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#define FOR_EACH_PARTITION_TABLE(table) DT_FOREACH_CHILD(table, DEFINE_PARTITION)
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DT_FOREACH_STATUS_OKAY(fixed_partitions, FOR_EACH_PARTITION_TABLE)
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#define DEFINE_SUB_PARTITION(part) DEFINE_SUB_PARTITION_1(part, DT_DEP_ORD(part))
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#define DEFINE_SUB_PARTITION_1(part, ord) \
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COND_CODE_1(DT_NODE_HAS_STATUS_OKAY(DT_MTD_FROM_FIXED_SUBPARTITION(part)), \
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(DEFINE_SUB_PARTITION_0(part, ord)), ())
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#define DEFINE_SUB_PARTITION_0(part, ord) \
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const struct flash_area DT_CAT(global_fixed_subpartition_ORD_, ord) = { \
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.fa_id = DT_FIXED_PARTITION_ID(part), \
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.fa_off = DT_REG_ADDR(part), \
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.fa_dev = DEVICE_DT_GET(DT_MTD_FROM_FIXED_SUBPARTITION(part)), \
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.fa_size = DT_REG_SIZE(part), \
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};
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#define FOR_EACH_SUB_PARTITION_TABLE(table) DT_FOREACH_CHILD(table, DEFINE_SUB_PARTITION)
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DT_FOREACH_STATUS_OKAY(fixed_subpartitions, FOR_EACH_SUB_PARTITION_TABLE)
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