--- zzzz-none-000/linux-5.15.111/drivers/firmware/efi/libstub/x86-stub.c	2023-05-11 14:00:40.000000000 +0000
+++ puma7-atom-6670-761/linux-5.15.111/drivers/firmware/efi/libstub/x86-stub.c	2024-02-07 10:22:41.000000000 +0000
@@ -362,6 +362,8 @@
 	int options_size = 0;
 	efi_status_t status;
 	char *cmdline_ptr;
+	struct setup_data *fdt_data;
+	unsigned long fdt_data_size;
 
 	efi_system_table = sys_table_arg;
 
@@ -421,6 +423,17 @@
 	 */
 	hdr->setup_data = 0;
 
+	status = avm_get_dtb_setup_data(image, &fdt_data);
+	if (status != EFI_SUCCESS) {
+		efi_err("Failed to load DTB: %d\n", status);
+		goto out;
+	}
+
+	efi_info("DTB successfully loaded\n");
+
+	fdt_data->next = hdr->setup_data;
+	hdr->setup_data = (unsigned long)fdt_data;
+out:
 	efi_stub_entry(handle, sys_table_arg, boot_params);
 	/* not reached */
 
@@ -786,6 +799,8 @@
 		}
 	}
 
+	avm_load_dtb_overlay(boot_params);
+
 	/*
 	 * If the boot loader gave us a value for secure_boot then we use that,
 	 * otherwise we ask the BIOS.