40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
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* Copyright (c) 2017 Nordic Semiconductor ASA
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* Copyright (c) 2015 Runtime Inc
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT fixed_partitions
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#include <zephyr.h>
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#include <storage/flash_map.h>
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/* Get the grand parent of a node */
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#define GPARENT(node_id) DT_PARENT(DT_PARENT(node_id))
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/* return great-grandparent label if 'soc-nv-flash' else grandparent label */
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#define DT_FLASH_DEV_FROM_PARTITION(part) \
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DT_LABEL(COND_CODE_1(DT_NODE_HAS_COMPAT(GPARENT(part), soc_nv_flash), \
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(DT_PARENT(GPARENT(part))), \
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(GPARENT(part))))
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#define FLASH_AREA_FOO(part) \
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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_name = DT_FLASH_DEV_FROM_PARTITION(part), \
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.fa_size = DT_REG_SIZE(part),},
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#define FOREACH_PARTITION(n) DT_FOREACH_CHILD(DT_DRV_INST(n), FLASH_AREA_FOO)
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/* We iterate over all compatible 'fixed-partions' nodes and
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* use DT_FOREACH_CHILD to iterate over all the partitions for that
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* 'fixed-partions' 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_INST_FOREACH_STATUS_OKAY(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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