diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/omap_sec_common.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/include/asm/omap_sec_common.h b/arch/arm/include/asm/omap_sec_common.h index 842f2af8d1..4bde93f804 100644 --- a/arch/arm/include/asm/omap_sec_common.h +++ b/arch/arm/include/asm/omap_sec_common.h @@ -27,4 +27,28 @@ u32 secure_rom_call(u32 service, u32 proc_id, u32 flag, ...); */ int secure_boot_verify_image(void **p_image, size_t *p_size); +/* + * Invoke a secure HAL API that allows configuration of the external memory + * firewall regions. + */ +int secure_emif_firewall_setup(uint8_t region_num, uint32_t start_addr, + uint32_t size, uint32_t access_perm, + uint32_t initiator_perm); + +/* + * Invoke a secure HAL API on high-secure (HS) device variants that reserves a + * region of external memory for secure world use, and protects it using memory + * firewalls that prevent public world access. This API is intended to setaside + * memory that will be used for a secure world OS/TEE. + */ +int secure_emif_reserve(void); + +/* + * Invoke a secure HAL API to lock the external memory firewall configurations. + * After this API is called, none of the HAL APIs for configuring the that + * firewall will be usable (calls to those APIs will return failure and have + * no effect). + */ +int secure_emif_firewall_lock(void); + #endif /* _OMAP_SEC_COMMON_H_ */ |