| Andrzej Puzdrowski | cc547a7 | 2022-02-17 15:30:27 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2022 Nordic Semiconductor ASA |
| 3 | * |
| 4 | * SPDX-License-Identifier: Apache-2.0 |
| 5 | */ |
| 6 | |
| 7 | #ifndef __SYSFLASH_H__ |
| 8 | #define __SYSFLASH_H__ |
| 9 | |
| 10 | #include <devicetree.h> |
| 11 | #include <mcuboot_config/mcuboot_config.h> |
| 12 | |
| 13 | #if (MCUBOOT_IMAGE_NUMBER == 1) |
| 14 | /* |
| 15 | * NOTE: the definition below returns the same values for true/false on |
| 16 | * purpose, to avoid having to mark x as non-used by all callers when |
| 17 | * running in single image mode. |
| 18 | */ |
| 19 | #define FLASH_AREA_IMAGE_PRIMARY(x) (((x) == 0) ? \ |
| 20 | FLASH_AREA_ID(image_0) : \ |
| 21 | FLASH_AREA_ID(image_0)) |
| 22 | #define FLASH_AREA_IMAGE_SECONDARY(x) (((x) == 0) ? \ |
| 23 | FLASH_AREA_ID(image_1) : \ |
| 24 | FLASH_AREA_ID(image_1)) |
| 25 | #elif (MCUBOOT_IMAGE_NUMBER == 2) |
| 26 | /* MCUBoot currently supports only up to 2 updateable firmware images. |
| 27 | * If the number of the current image is greater than MCUBOOT_IMAGE_NUMBER - 1 |
| 28 | * then a dummy value will be assigned to the flash area macros. |
| 29 | */ |
| 30 | #define FLASH_AREA_IMAGE_PRIMARY(x) (((x) == 0) ? \ |
| 31 | FLASH_AREA_ID(image_0) : \ |
| 32 | ((x) == 1) ? \ |
| 33 | FLASH_AREA_ID(image_2) : \ |
| 34 | 255) |
| 35 | #define FLASH_AREA_IMAGE_SECONDARY(x) (((x) == 0) ? \ |
| 36 | FLASH_AREA_ID(image_1) : \ |
| 37 | ((x) == 1) ? \ |
| 38 | FLASH_AREA_ID(image_3) : \ |
| 39 | 255) |
| 40 | #else |
| 41 | #error "Image slot and flash area mapping is not defined" |
| 42 | #endif |
| 43 | |
| 44 | #define FLASH_AREA_IMAGE_SCRATCH FLASH_AREA_ID(image_scratch) |
| 45 | |
| 46 | #endif /* __SYSFLASH_H__ */ |