1d86f7afdSAndreas Dannenberg /* 2d86f7afdSAndreas Dannenberg * (C) Copyright 2016 3d86f7afdSAndreas Dannenberg * Texas Instruments, <www.ti.com> 4d86f7afdSAndreas Dannenberg * 5d86f7afdSAndreas Dannenberg * Andreas Dannenberg <dannenberg@ti.com> 6d86f7afdSAndreas Dannenberg * 7d86f7afdSAndreas Dannenberg * SPDX-License-Identifier: GPL-2.0+ 8d86f7afdSAndreas Dannenberg */ 9d86f7afdSAndreas Dannenberg #ifndef _OMAP_SEC_COMMON_H_ 10d86f7afdSAndreas Dannenberg #define _OMAP_SEC_COMMON_H_ 11d86f7afdSAndreas Dannenberg 12d86f7afdSAndreas Dannenberg #include <common.h> 13d86f7afdSAndreas Dannenberg 14d86f7afdSAndreas Dannenberg /* 15d86f7afdSAndreas Dannenberg * Invoke secure ROM API on high-security (HS) device variants. It formats 16d86f7afdSAndreas Dannenberg * the variable argument list into the format expected by the ROM code before 17d86f7afdSAndreas Dannenberg * triggering the actual low-level smc entry. 18d86f7afdSAndreas Dannenberg */ 19d86f7afdSAndreas Dannenberg u32 secure_rom_call(u32 service, u32 proc_id, u32 flag, ...); 20d86f7afdSAndreas Dannenberg 211bb0a21bSAndreas Dannenberg /* 221bb0a21bSAndreas Dannenberg * Invoke a secure ROM API on high-secure (HS) device variants that can be used 231bb0a21bSAndreas Dannenberg * to verify a secure blob by authenticating and optionally decrypting it. The 241bb0a21bSAndreas Dannenberg * exact operation performed depends on how the certificate that was embedded 251bb0a21bSAndreas Dannenberg * into the blob during the signing/encryption step when the secure blob was 261bb0a21bSAndreas Dannenberg * first created. 271bb0a21bSAndreas Dannenberg */ 281bb0a21bSAndreas Dannenberg int secure_boot_verify_image(void **p_image, size_t *p_size); 291bb0a21bSAndreas Dannenberg 30*6d132b2bSDaniel Allred /* 31*6d132b2bSDaniel Allred * Invoke a secure HAL API that allows configuration of the external memory 32*6d132b2bSDaniel Allred * firewall regions. 33*6d132b2bSDaniel Allred */ 34*6d132b2bSDaniel Allred int secure_emif_firewall_setup(uint8_t region_num, uint32_t start_addr, 35*6d132b2bSDaniel Allred uint32_t size, uint32_t access_perm, 36*6d132b2bSDaniel Allred uint32_t initiator_perm); 37*6d132b2bSDaniel Allred 38*6d132b2bSDaniel Allred /* 39*6d132b2bSDaniel Allred * Invoke a secure HAL API on high-secure (HS) device variants that reserves a 40*6d132b2bSDaniel Allred * region of external memory for secure world use, and protects it using memory 41*6d132b2bSDaniel Allred * firewalls that prevent public world access. This API is intended to setaside 42*6d132b2bSDaniel Allred * memory that will be used for a secure world OS/TEE. 43*6d132b2bSDaniel Allred */ 44*6d132b2bSDaniel Allred int secure_emif_reserve(void); 45*6d132b2bSDaniel Allred 46*6d132b2bSDaniel Allred /* 47*6d132b2bSDaniel Allred * Invoke a secure HAL API to lock the external memory firewall configurations. 48*6d132b2bSDaniel Allred * After this API is called, none of the HAL APIs for configuring the that 49*6d132b2bSDaniel Allred * firewall will be usable (calls to those APIs will return failure and have 50*6d132b2bSDaniel Allred * no effect). 51*6d132b2bSDaniel Allred */ 52*6d132b2bSDaniel Allred int secure_emif_firewall_lock(void); 53*6d132b2bSDaniel Allred 54d86f7afdSAndreas Dannenberg #endif /* _OMAP_SEC_COMMON_H_ */ 55