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devicetree: flash-partitions: expose helper macros

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Make generally available the macro that provides the flash device in
which a particular partition can be found.

Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
This commit is contained in:
Peter Bigot 2020-10-31 15:43:34 -05:00 • committed by Carles Cufí
commit e571c88565
3 changed files with 36 additions and 13 deletions
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17
subsys/storage/flash_map/flash_map_default.c
View file

@ -10,19 +10,10 @@
#include <zephyr.h>
#include <storage/flash_map.h>
/* Get the grand parent of a node */
#define GPARENT(node_id) DT_PARENT(DT_PARENT(node_id))
/* return great-grandparent label if 'soc-nv-flash' else grandparent label */
#define DT_FLASH_DEV_FROM_PARTITION(part) \
DT_LABEL(COND_CODE_1(DT_NODE_HAS_COMPAT(GPARENT(part), soc_nv_flash), \
(DT_PARENT(GPARENT(part))), \
(GPARENT(part))))
#define FLASH_AREA_FOO(part) \
{.fa_id = DT_FIXED_PARTITION_ID(part), \
.fa_off = DT_REG_ADDR(part), \
.fa_dev_name = DT_FLASH_DEV_FROM_PARTITION(part), \
#define FLASH_AREA_FOO(part) \
{.fa_id = DT_FIXED_PARTITION_ID(part), \
.fa_off = DT_REG_ADDR(part), \
.fa_dev_name = DT_LABEL(DT_MTD_FROM_FIXED_PARTITION(part)), \
.fa_size = DT_REG_SIZE(part),},
#define FOREACH_PARTITION(n) DT_FOREACH_CHILD(DT_DRV_INST(n), FLASH_AREA_FOO)