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// SPDX-License-Identifier: GPL-2.0+
/*
* EFI setup code
*
* Copyright (c) 2016-2018 Alexander Graf et al.
*/
#include <common.h>
#include <efi_loader.h>
#define OBJ_LIST_NOT_INITIALIZED 1
/* Language code for American English according to RFC 4646 */
#define EN_US L"en-US"
static efi_status_t efi_obj_list_initialized = OBJ_LIST_NOT_INITIALIZED;
/* Initialize and populate EFI object list */
efi_status_t efi_init_obj_list(void)
{
efi_status_t ret = EFI_SUCCESS;
/*
* On the ARM architecture gd is mapped to a fixed register (r9 or x18).
* As this register may be overwritten by an EFI payload we save it here
* and restore it on every callback entered.
*/
efi_save_gd();
/*
* Variable PlatformLang defines the language that the machine has been
* configured for.
*/
ret = EFI_CALL(efi_set_variable(L"PlatformLang",
&efi_global_variable_guid,
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
sizeof(EN_US), EN_US));
if (ret != EFI_SUCCESS)
goto out;
/*
* Variable PlatformLangCodes defines the language codes that the
* machine can support.
*/
ret = EFI_CALL(efi_set_variable(L"PlatformLangCodes",
&efi_global_variable_guid,
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
sizeof(EN_US), EN_US));
if (ret != EFI_SUCCESS)
goto out;
/* Initialize once only */
if (efi_obj_list_initialized != OBJ_LIST_NOT_INITIALIZED)
return efi_obj_list_initialized;
/* Initialize system table */
ret = efi_initialize_system_table();
if (ret != EFI_SUCCESS)
goto out;
/* Initialize root node */
ret = efi_root_node_register();
if (ret != EFI_SUCCESS)
goto out;
/* Initialize EFI driver uclass */
ret = efi_driver_init();
if (ret != EFI_SUCCESS)
goto out;
ret = efi_console_register();
if (ret != EFI_SUCCESS)
goto out;
#ifdef CONFIG_PARTITIONS
ret = efi_disk_register();
if (ret != EFI_SUCCESS)
goto out;
#endif
#if defined(CONFIG_LCD) || defined(CONFIG_DM_VIDEO)
ret = efi_gop_register();
if (ret != EFI_SUCCESS)
goto out;
#endif
#ifdef CONFIG_NET
ret = efi_net_register();
if (ret != EFI_SUCCESS)
goto out;
#endif
#ifdef CONFIG_GENERATE_ACPI_TABLE
ret = efi_acpi_register();
if (ret != EFI_SUCCESS)
goto out;
#endif
#ifdef CONFIG_GENERATE_SMBIOS_TABLE
ret = efi_smbios_register();
if (ret != EFI_SUCCESS)
goto out;
#endif
ret = efi_watchdog_register();
if (ret != EFI_SUCCESS)
goto out;
/* Initialize EFI runtime services */
ret = efi_reset_system_init();
if (ret != EFI_SUCCESS)
goto out;
out:
efi_obj_list_initialized = ret;
return ret;
}
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