79 lines
2.7 KiB
Plaintext
79 lines
2.7 KiB
Plaintext
@startuml
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box "BL1 common code"
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participant bl1_main
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participant bl_common
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end box
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box "arm platform code" #LightBlue
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participant fvp_bl1_setup
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participant arm_bl1_setup
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participant arm_io_storage
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end box
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box "platform common code"
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participant plat_bl1_common
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participant fconf_dyn_cfg_getter
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participant fconf
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end box
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bl1_main -> fvp_bl1_setup : bl1_platform_setup()
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fvp_bl1_setup -> arm_bl1_setup : arm_bl1_platform_setup()
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arm_bl1_setup -> arm_io_storage : plat_arm_io_setup()
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note over arm_io_storage : register and setup fip
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arm_bl1_setup -> fconf : set_fw_config_info(fw_config_base, max_size)
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note over fconf
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set fw_config information
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(address, size, image_id)
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in global dtb_infos array.
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end note
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activate fconf
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arm_bl1_setup -> fconf : fconf_load_config(FW_CONFIG_ID)
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fconf -> fconf : FCONF_GET_PROPERTY(dyn_cfg, dtb, FW_CONFIG_ID)
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fconf -> fconf_dyn_cfg_getter: dyn_cfg_dtb_info_getter(FW_CONFIG_ID)
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fconf_dyn_cfg_getter -> fconf: fw_config_info
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fconf -> bl_common : load_auth_image(FW_CONFIG_ID, &image_info)
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activate bl_common
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note over bl_common
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load and auth image from fip
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with info from plat_io_policy
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end note
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bl_common -> arm_io_storage
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arm_io_storage -> fconf: FCONF_GET_PROPERTY(arm, arm_io_policies, FW_CONFIG_ID)
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note over fconf: use statically defined policies in bl1
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fconf <- bl_common : image_info
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deactivate bl_common
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note over fconf : get fw_config_dtb from image_info
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arm_bl1_setup -> fconf: FCONF_GET_PROPERTY(dyn_cfg, dtb, FW_CONFIG_ID)
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fconf -> fconf_dyn_cfg_getter: dyn_cfg_dtb_info_getter(FW_CONFIG_ID)
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fconf_dyn_cfg_getter -> arm_bl1_setup: fw_config_info
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arm_bl1_setup -> fconf_dyn_cfg_getter: populate_dtb_registry(uintptr_t dtb)
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arm_bl1_setup -> fconf: fconf_load_config(TB_FW_CONFIG_ID)
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fconf -> fconf : FCONF_GET_PROPERTY(dyn_cfg, dtb, TB_FW_CONFIG_ID)
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fconf -> fconf_dyn_cfg_getter: dyn_cfg_dtb_info_getter(TB_FW_CONFIG_ID)
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fconf_dyn_cfg_getter -> fconf: tb_fw_config_info
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fconf -> bl_common : load_auth_image(TB_FW_CONFIG_ID, &image_info)
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activate bl_common
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note over bl_common
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load and auth image from fip
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with info from plat_io_policy
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end note
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bl_common -> arm_io_storage
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arm_io_storage -> fconf: FCONF_GET_PROPERTY(arm, arm_io_policies, TB_FW_CONFIG_ID)
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note over fconf: use statically defined policies in bl1
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fconf <- bl_common : image_info
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deactivate bl_common
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note over fconf : get tb_fw_config_dtb from image_info
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fconf -> arm_bl1_setup
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arm_bl1_setup -> plat_bl1_common : bl1_plat_get_image_desc(BL2_IMAGE_ID)
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arm_bl1_setup <- plat_bl1_common : BL2_IMAGE_DESC
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note over arm_bl1_setup
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set ep_info.args.arg0 of BL2_IMAGE_DESC
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to FW_CONFIG base address
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end note
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deactivate fconf
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== load & auth, prepare and jump to BL2 ==
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@enduml
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