1281028Sandrew/*- 2281028Sandrew * Copyright (c) 2014 The FreeBSD Foundation 3281028Sandrew * All rights reserved. 4281028Sandrew * 5281028Sandrew * This software was developed by Andrew Turner under 6281028Sandrew * sponsorship from the FreeBSD Foundation. 7281028Sandrew * 8281028Sandrew * Redistribution and use in source and binary forms, with or without 9281028Sandrew * modification, are permitted provided that the following conditions 10281028Sandrew * are met: 11281028Sandrew * 1. Redistributions of source code must retain the above copyright 12281028Sandrew * notice, this list of conditions and the following disclaimer. 13281028Sandrew * 2. Redistributions in binary form must reproduce the above copyright 14281028Sandrew * notice, this list of conditions and the following disclaimer in the 15281028Sandrew * documentation and/or other materials provided with the distribution. 16281028Sandrew * 17281028Sandrew * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18281028Sandrew * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19281028Sandrew * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20281028Sandrew * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21281028Sandrew * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22281028Sandrew * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23281028Sandrew * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24281028Sandrew * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25281028Sandrew * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26281028Sandrew * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27281028Sandrew * SUCH DAMAGE. 28281028Sandrew */ 29281028Sandrew 30281028Sandrew#include <sys/cdefs.h> 31281028Sandrew__FBSDID("$FreeBSD: stable/11/stand/efi/fdt/efi_fdt.c 346302 2019-04-16 21:01:07Z kevans $"); 32281028Sandrew 33281028Sandrew#include <sys/param.h> 34281028Sandrew#include <stand.h> 35281028Sandrew#include <efi.h> 36281028Sandrew#include <efilib.h> 37281028Sandrew#include <fdt_platform.h> 38281028Sandrew 39281028Sandrew#include "bootstrap.h" 40281028Sandrew 41281028Sandrewstatic EFI_GUID fdtdtb = FDT_TABLE_GUID; 42281028Sandrew 43281028Sandrewint 44281028Sandrewfdt_platform_load_dtb(void) 45281028Sandrew{ 46281028Sandrew struct fdt_header *hdr; 47281028Sandrew 48281028Sandrew hdr = efi_get_table(&fdtdtb); 49327944Skevans if (hdr == NULL) 50327944Skevans return (1); 51327944Skevans if (fdt_load_dtb_addr(hdr) != 0) 52327944Skevans return (1); 53327944Skevans printf("Using DTB provided by EFI at %p.\n", hdr); 54327944Skevans 55327944Skevans return (0); 56281028Sandrew} 57281028Sandrew 58281028Sandrewvoid 59346302Skevansfdt_platform_load_overlays(void) 60346302Skevans{ 61346302Skevans 62346302Skevans fdt_load_dtb_overlays(NULL); 63346302Skevans} 64346302Skevans 65346302Skevansvoid 66281028Sandrewfdt_platform_fixups(void) 67281028Sandrew{ 68327944Skevans 69327944Skevans fdt_apply_overlays(); 70281028Sandrew} 71