3 * Texas Instruments, <www.ti.com>
5 * Andreas Dannenberg <dannenberg@ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
9 #ifndef _OMAP_SEC_COMMON_H_
10 #define _OMAP_SEC_COMMON_H_
15 * Invoke secure ROM API on high-security (HS) device variants. It formats
16 * the variable argument list into the format expected by the ROM code before
17 * triggering the actual low-level smc entry.
19 u32 secure_rom_call(u32 service, u32 proc_id, u32 flag, ...);
22 * Invoke a secure ROM API on high-secure (HS) device variants that can be used
23 * to verify a secure blob by authenticating and optionally decrypting it. The
24 * exact operation performed depends on how the certificate that was embedded
25 * into the blob during the signing/encryption step when the secure blob was
28 int secure_boot_verify_image(void **p_image, size_t *p_size);
31 * Invoke a secure HAL API that allows configuration of the external memory
34 int secure_emif_firewall_setup(uint8_t region_num, uint32_t start_addr,
35 uint32_t size, uint32_t access_perm,
36 uint32_t initiator_perm);
39 * Invoke a secure HAL API on high-secure (HS) device variants that reserves a
40 * region of external memory for secure world use, and protects it using memory
41 * firewalls that prevent public world access. This API is intended to setaside
42 * memory that will be used for a secure world OS/TEE.
44 int secure_emif_reserve(void);
47 * Invoke a secure HAL API to lock the external memory firewall configurations.
48 * After this API is called, none of the HAL APIs for configuring the that
49 * firewall will be usable (calls to those APIs will return failure and have
52 int secure_emif_firewall_lock(void);
55 * Invoke a secure HAL API to authenticate and install a Trusted Execution
56 * Environment (TEE) image.
58 int secure_tee_install(u32 tee_image);
60 #endif /* _OMAP_SEC_COMMON_H_ */