87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* EFI setup code
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*
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* Copyright (c) 2016-2018 Alexander Graf et al.
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*/
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#include <common.h>
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#include <efi_loader.h>
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#define OBJ_LIST_NOT_INITIALIZED 1
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static efi_status_t efi_obj_list_initialized = OBJ_LIST_NOT_INITIALIZED;
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/* Initialize and populate EFI object list */
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efi_status_t efi_init_obj_list(void)
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{
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efi_status_t ret = EFI_SUCCESS;
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/*
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* On the ARM architecture gd is mapped to a fixed register (r9 or x18).
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* As this register may be overwritten by an EFI payload we save it here
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* and restore it on every callback entered.
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*/
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efi_save_gd();
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/* Initialize once only */
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if (efi_obj_list_initialized != OBJ_LIST_NOT_INITIALIZED)
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return efi_obj_list_initialized;
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/* Initialize system table */
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ret = efi_initialize_system_table();
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if (ret != EFI_SUCCESS)
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goto out;
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/* Initialize root node */
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ret = efi_root_node_register();
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if (ret != EFI_SUCCESS)
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goto out;
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/* Initialize EFI driver uclass */
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ret = efi_driver_init();
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if (ret != EFI_SUCCESS)
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goto out;
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ret = efi_console_register();
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if (ret != EFI_SUCCESS)
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goto out;
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#ifdef CONFIG_PARTITIONS
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ret = efi_disk_register();
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if (ret != EFI_SUCCESS)
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goto out;
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#endif
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#if defined(CONFIG_LCD) || defined(CONFIG_DM_VIDEO)
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ret = efi_gop_register();
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if (ret != EFI_SUCCESS)
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goto out;
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#endif
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#ifdef CONFIG_NET
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ret = efi_net_register();
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if (ret != EFI_SUCCESS)
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goto out;
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#endif
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#ifdef CONFIG_GENERATE_ACPI_TABLE
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ret = efi_acpi_register();
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if (ret != EFI_SUCCESS)
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goto out;
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#endif
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#ifdef CONFIG_GENERATE_SMBIOS_TABLE
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ret = efi_smbios_register();
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if (ret != EFI_SUCCESS)
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goto out;
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#endif
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ret = efi_watchdog_register();
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if (ret != EFI_SUCCESS)
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goto out;
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/* Initialize EFI runtime services */
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ret = efi_reset_system_init();
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if (ret != EFI_SUCCESS)
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goto out;
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out:
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efi_obj_list_initialized = ret;
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return ret;
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}
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