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Diffstat (limited to 'lib/efi_loader/efi_setup.c')
-rw-r--r--lib/efi_loader/efi_setup.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_setup.c b/lib/efi_loader/efi_setup.c
new file mode 100644
index 0000000000..8266d06c2e
--- /dev/null
+++ b/lib/efi_loader/efi_setup.c
@@ -0,0 +1,86 @@
+// 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
+
+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();
+
+ /* 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;
+}