Merge branch '2019-11-07-ti-imports'
[platform/kernel/u-boot.git] / include / opensbi.h
1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /*
3  * Copyright (c) 2019 Western Digital Corporation or its affiliates.
4  *
5  * Based on include/sbi/{fw_dynamic.h,sbi_scratch.h} from the OpenSBI project.
6  */
7 #ifndef OPENSBI_H
8 #define OPENSBI_H
9
10 /** Expected value of info magic ('OSBI' ascii string in hex) */
11 #define FW_DYNAMIC_INFO_MAGIC_VALUE             0x4942534f
12
13 /** Maximum supported info version */
14 #define FW_DYNAMIC_INFO_VERSION                 0x1
15
16 /** Possible next mode values */
17 #define FW_DYNAMIC_INFO_NEXT_MODE_U             0x0
18 #define FW_DYNAMIC_INFO_NEXT_MODE_S             0x1
19 #define FW_DYNAMIC_INFO_NEXT_MODE_M             0x3
20
21 enum sbi_scratch_options {
22         /** Disable prints during boot */
23         SBI_SCRATCH_NO_BOOT_PRINTS = (1 << 0),
24 };
25
26 /** Representation dynamic info passed by previous booting stage */
27 struct fw_dynamic_info {
28         /** Info magic */
29         unsigned long magic;
30         /** Info version */
31         unsigned long version;
32         /** Next booting stage address */
33         unsigned long next_addr;
34         /** Next booting stage mode */
35         unsigned long next_mode;
36         /** Options for OpenSBI library */
37         unsigned long options;
38 } __packed;
39
40 #endif