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storage: flash_map_default: Convert to new dts macros

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Convert to use new DTS macros to populate default flash map

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2020-05-06 23:12:11 -05:00 • committed by Carles Cufí
commit 7310eb9e4a
1 changed files with 38 additions and 6 deletions
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44
subsys/storage/flash_map/flash_map_default.c
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@ -5,17 +5,49 @@
* SPDX-License-Identifier: Apache-2.0
*/
#define DT_DRV_COMPAT fixed_partitions
#include <zephyr.h>
#include <storage/flash_map.h>
#define FLASH_AREA_FOO(i, _) \
{.fa_id = i, \
.fa_off = DT_FLASH_AREA_##i##_OFFSET, \
.fa_dev_name = DT_FLASH_AREA_##i##_DEV, \
.fa_size = DT_FLASH_AREA_##i##_SIZE,},
/* Get the grand parent of a node */
#define GPARENT(node_id) DT_PARENT(DT_PARENT(node_id))
/* if 'soc-nv-flash' return controller label or punt to _else_code */
#define IS_SOC_NV_FLASH(part, _else_code) \
COND_CODE_1(DT_NODE_HAS_COMPAT(GPARENT(part), soc_nv_flash), \
(DT_LABEL(DT_PARENT(GPARENT(part)))), (_else_code))
/* if 'jedec,spi-nor' return controller label or punt to _else_code */
#define IS_JEDEC_SPI_NOR(part, _else_code) \
COND_CODE_1(DT_NODE_HAS_COMPAT(GPARENT(part), jedec_spi_nor), \
(DT_LABEL(GPARENT(part))), (_else_code))
/* if 'nordic,qspi-nor' return controller label or punt to _else_code */
#define IS_NORDIC_QSPI_NOR(part, _else_code) \
COND_CODE_1(DT_NODE_HAS_COMPAT(GPARENT(part), nordic_qspi_nor), \
(DT_LABEL(GPARENT(part))), (_else_code))
/* return flash controller label based on matching compatible or NULL */
#define DT_FLASH_DEV_FROM_PART(part) \
IS_SOC_NV_FLASH(part, \
IS_JEDEC_SPI_NOR(part, \
IS_NORDIC_QSPI_NOR(part, NULL)))
#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_PART(part), \
.fa_size = DT_REG_SIZE(part),},
#define FOREACH_PARTION(n) DT_FOREACH_CHILD(DT_DRV_INST(n), FLASH_AREA_FOO)
/* We iterate over all compatible 'fixed-partions' nodes and
* use DT_FOREACH_CHILD to iterate over all the partitions for that
* 'fixed-partions' node. This way we build a global partition map
*/
const struct flash_area default_flash_map[] = {
UTIL_LISTIFY(DT_FLASH_AREA_NUM, FLASH_AREA_FOO, ~)
DT_INST_FOREACH_STATUS_OKAY(FOREACH_PARTION)
};
const int flash_map_entries = ARRAY_SIZE(default_flash_map);