1 /* 2 * Copyright (c) 2025, Arm Limited. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <errno.h> 8 #include <plat/common/platform.h> 9 #include <services/bl31_lfa.h> 10 #include <services/rmmd_rmm_lfa.h> 11 #include <tools_share/firmware_image_package.h> 12 13 #include <plat/arm/common/plat_arm_lfa_components.h> 14 15 /* Keep this array consistent with enum fvp_lfa_component_id_t */ 16 static plat_lfa_component_info_t fvp_lfa_components[LFA_MAX_DEFINED_COMPONENTS] = { 17 [LFA_BL31_COMPONENT] = {LFA_BL31_COMPONENT, UUID_EL3_RUNTIME_FIRMWARE_BL31, 18 NULL, false}, 19 #if BL32_BASE 20 [LFA_BL32_COMPONENT] = {LFA_BL32_COMPONENT, UUID_SECURE_PAYLOAD_BL32, 21 NULL, false}, 22 #endif /* BL32_BASE */ 23 [LFA_BL33_COMPONENT] = {LFA_BL33_COMPONENT, UUID_NON_TRUSTED_FIRMWARE_BL33, 24 NULL, false}, 25 #if ENABLE_RME 26 [LFA_RMM_COMPONENT] = {LFA_RMM_COMPONENT, UUID_REALM_MONITOR_MGMT_FIRMWARE, 27 NULL, false}, 28 #endif /* ENABLE_RME */ 29 }; 30 31 uint32_t plat_lfa_get_components(plat_lfa_component_info_t **components) 32 { 33 if (components == NULL) { 34 return -EINVAL; 35 } 36 37 fvp_lfa_components[LFA_BL31_COMPONENT].activator = get_bl31_activator(); 38 #if ENABLE_RME 39 fvp_lfa_components[LFA_RMM_COMPONENT].activator = get_rmm_activator(); 40 #endif /* ENABLE_RME */ 41 42 *components = fvp_lfa_components; 43 return LFA_MAX_DEFINED_COMPONENTS; 44 } 45 46 bool is_plat_lfa_activation_pending(uint32_t lfa_component_id) 47 { 48 #if ENABLE_RME 49 if (lfa_component_id == LFA_RMM_COMPONENT) { 50 return true; 51 } 52 #endif /* ENABLE_RME */ 53 54 return false; 55 } 56 57 int plat_lfa_cancel(uint32_t lfa_component_id) 58 { 59 /* placeholder function to do cancel LFA of given component */ 60 return 0; 61 } 62 63 int plat_lfa_load_auth_image(uint32_t lfa_component_id) 64 { 65 /* 66 * In AEM FVP, we don't want to bloat the code by adding 67 * loading and authentication mechanism, so here we assumed 68 * that the components are pre-loaded and authenticated already. 69 */ 70 return 0; 71 } 72 73 int plat_lfa_notify_activate(uint32_t lfa_component_id) 74 { 75 return 0; 76 } 77