1 /*
2  * Copyright (c) 2024 LK Trusty Authors. All Rights Reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining
5  * a copy of this software and associated documentation files
6  * (the "Software"), to deal in the Software without restriction,
7  * including without limitation the rights to use, copy, modify, merge,
8  * publish, distribute, sublicense, and/or sell copies of the Software,
9  * and to permit persons to whom the Software is furnished to do so,
10  * subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be
13  * included in all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22  */
23 
24 #pragma once
25 
26 #include <libfdt.h>
27 #include <lk/types.h>
28 
29 status_t fdt_helper_read_cells32(const fdt32_t* fdt_prop,
30                                  int fdt_prop_len,
31                                  int row_index,
32                                  int before_cells,
33                                  int cells,
34                                  int after_cells,
35                                  uint64_t* valp);
36 
37 status_t fdt_helper_get_reg(const void* fdt,
38                             int nodeoffset,
39                             int reg_index,
40                             paddr_t* addrp,
41                             size_t* sizep);
42