1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Ultravisor high level interfaces 4 * 5 * Copyright 2019, IBM Corporation. 6 * 7 */ 8 #include <linux/init.h> 9 #include <linux/printk.h> 10 #include <linux/of_fdt.h> 11 12 #include <asm/ultravisor.h> 13 #include <asm/firmware.h> 14 15 int __init early_init_dt_scan_ultravisor(unsigned long node, const char *uname, 16 int depth, void *data) 17 { 18 if (!of_flat_dt_is_compatible(node, "ibm,ultravisor")) 19 return 0; 20 21 powerpc_firmware_features |= FW_FEATURE_ULTRAVISOR; 22 pr_debug("Ultravisor detected!\n"); 23 return 1; 24 } 25