1/* SPDX-License-Identifier: BSD-2-Clause */
2/*
3 * OP-TEE related definitions
4 *
5 * (C) Copyright 2016 Linaro Limited
6 * Andrew F. Davis <andrew.davis@linaro.org>
7 */
8
9#ifndef	_OPTEE_H
10#define _OPTEE_H
11
12#include <linux/errno.h>
13#include <image.h>
14
15#define OPTEE_MAGIC             0x4554504f
16#define OPTEE_VERSION           1
17#define OPTEE_ARCH_ARM32        0
18#define OPTEE_ARCH_ARM64        1
19
20struct optee_header {
21	uint32_t magic;
22	uint8_t version;
23	uint8_t arch;
24	uint16_t flags;
25	uint32_t init_size;
26	uint32_t init_load_addr_hi;
27	uint32_t init_load_addr_lo;
28	uint32_t init_mem_usage;
29	uint32_t paged_size;
30};
31
32static inline uint32_t
33optee_image_get_entry_point(const struct legacy_img_hdr *hdr)
34{
35	struct optee_header *optee_hdr = (struct optee_header *)(hdr + 1);
36
37	return optee_hdr->init_load_addr_lo;
38}
39
40static inline uint32_t
41optee_image_get_load_addr(const struct legacy_img_hdr *hdr)
42{
43	return optee_image_get_entry_point(hdr) - sizeof(struct optee_header);
44}
45
46#if defined(CONFIG_OPTEE_IMAGE)
47int optee_verify_bootm_image(unsigned long image_addr,
48			     unsigned long image_load_addr,
49			     unsigned long image_len);
50#else
51static inline int optee_verify_bootm_image(unsigned long image_addr,
52					   unsigned long image_load_addr,
53					   unsigned long image_len)
54{
55	return -EPERM;
56}
57#endif
58
59#if defined(CONFIG_OPTEE_LIB) && defined(CONFIG_OF_LIBFDT)
60int optee_copy_fdt_nodes(void *new_blob);
61#else
62static inline int optee_copy_fdt_nodes(void *new_blob)
63{
64	return 0;
65}
66#endif
67
68#endif /* _OPTEE_H */
69