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Diffstat (limited to '')
| -rw-r--r-- | docs/resources/diagrams/plantuml/fconf_bl1_load_config.puml | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/docs/resources/diagrams/plantuml/fconf_bl1_load_config.puml b/docs/resources/diagrams/plantuml/fconf_bl1_load_config.puml new file mode 100644 index 0000000..e513ed4 --- /dev/null +++ b/docs/resources/diagrams/plantuml/fconf_bl1_load_config.puml @@ -0,0 +1,78 @@ +@startuml + +box "BL1 common code" + participant bl1_main + participant bl_common +end box + +box "arm platform code" #LightBlue + participant fvp_bl1_setup + participant arm_bl1_setup + participant arm_io_storage +end box + +box "platform common code" + participant plat_bl1_common + participant fconf_dyn_cfg_getter + participant fconf +end box + +bl1_main -> fvp_bl1_setup : bl1_platform_setup() +fvp_bl1_setup -> arm_bl1_setup : arm_bl1_platform_setup() +arm_bl1_setup -> arm_io_storage : plat_arm_io_setup() +note over arm_io_storage : register and setup fip +arm_bl1_setup -> fconf : set_fw_config_info(fw_config_base, max_size) +note over fconf + set fw_config information + (address, size, image_id) + in global dtb_infos array. +end note +activate fconf + arm_bl1_setup -> fconf : fconf_load_config(FW_CONFIG_ID) + fconf -> fconf : FCONF_GET_PROPERTY(dyn_cfg, dtb, FW_CONFIG_ID) + fconf -> fconf_dyn_cfg_getter: dyn_cfg_dtb_info_getter(FW_CONFIG_ID) + fconf_dyn_cfg_getter -> fconf: fw_config_info + fconf -> bl_common : load_auth_image(FW_CONFIG_ID, &image_info) + activate bl_common + note over bl_common + load and auth image from fip + with info from plat_io_policy + end note + bl_common -> arm_io_storage + arm_io_storage -> fconf: FCONF_GET_PROPERTY(arm, arm_io_policies, FW_CONFIG_ID) + note over fconf: use statically defined policies in bl1 + fconf <- bl_common : image_info + deactivate bl_common + note over fconf : get fw_config_dtb from image_info + arm_bl1_setup -> fconf: FCONF_GET_PROPERTY(dyn_cfg, dtb, FW_CONFIG_ID) + fconf -> fconf_dyn_cfg_getter: dyn_cfg_dtb_info_getter(FW_CONFIG_ID) + fconf_dyn_cfg_getter -> arm_bl1_setup: fw_config_info + arm_bl1_setup -> fconf_dyn_cfg_getter: populate_dtb_registry(uintptr_t dtb) + arm_bl1_setup -> fconf: fconf_load_config(TB_FW_CONFIG_ID) + fconf -> fconf : FCONF_GET_PROPERTY(dyn_cfg, dtb, TB_FW_CONFIG_ID) + fconf -> fconf_dyn_cfg_getter: dyn_cfg_dtb_info_getter(TB_FW_CONFIG_ID) + fconf_dyn_cfg_getter -> fconf: tb_fw_config_info + fconf -> bl_common : load_auth_image(TB_FW_CONFIG_ID, &image_info) + activate bl_common + note over bl_common + load and auth image from fip + with info from plat_io_policy + end note + bl_common -> arm_io_storage + arm_io_storage -> fconf: FCONF_GET_PROPERTY(arm, arm_io_policies, TB_FW_CONFIG_ID) + note over fconf: use statically defined policies in bl1 + fconf <- bl_common : image_info + deactivate bl_common + note over fconf : get tb_fw_config_dtb from image_info + fconf -> arm_bl1_setup + arm_bl1_setup -> plat_bl1_common : bl1_plat_get_image_desc(BL2_IMAGE_ID) + arm_bl1_setup <- plat_bl1_common : BL2_IMAGE_DESC + note over arm_bl1_setup + set ep_info.args.arg0 of BL2_IMAGE_DESC + to FW_CONFIG base address + end note +deactivate fconf + +== load & auth, prepare and jump to BL2 == + +@enduml |