Pankaj Gupta | 088084e | 2020-12-09 14:02:40 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2021 NXP |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #ifndef PLAT_NV_STRG_H |
| 9 | #define PLAT_NV_STRG_H |
| 10 | |
| 11 | #define DEFAULT_SET_VALUE 0xA1 |
| 12 | #define READY_TO_WRITE_VALUE 0xFF |
| 13 | |
| 14 | #ifndef NV_STORAGE_BASE_ADDR |
| 15 | #define NV_STORAGE_BASE_ADDR DEFAULT_NV_STORAGE_BASE_ADDR |
| 16 | #endif |
| 17 | |
| 18 | typedef struct { |
| 19 | uint8_t warm_rst_flag; |
| 20 | uint8_t wdt_rst_flag; |
| 21 | uint8_t dummy[2]; |
| 22 | } nv_app_data_t; |
| 23 | |
| 24 | |
| 25 | /*below enum and above structure should be in-sync. */ |
| 26 | enum app_data_offset { |
| 27 | WARM_RESET_FLAG_OFFSET, |
| 28 | WDT_RESET_FLAG_OFFSET, |
| 29 | APP_DATA_MAX_OFFSET, |
| 30 | }; |
| 31 | |
| 32 | int read_nv_app_data(void); |
| 33 | |
| 34 | int wr_nv_app_data(int data_offset, |
| 35 | uint8_t *data, |
| 36 | int data_size); |
| 37 | |
| 38 | const nv_app_data_t *get_nv_data(void); |
| 39 | |
| 40 | #endif /* PLAT_NV_STRG_H */ |