1 /*- 2 * Copyright (c) 2014 The FreeBSD Foundation 3 * 4 * This software was developed by Andrew Turner under 5 * sponsorship from the FreeBSD Foundation. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <stand.h> 34 #include <efi.h> 35 #include <efilib.h> 36 #include <fdt_platform.h> 37 38 #include "bootstrap.h" 39 40 static EFI_GUID fdtdtb = FDT_TABLE_GUID; 41 42 int 43 fdt_platform_load_dtb(void) 44 { 45 struct fdt_header *hdr; 46 47 hdr = efi_get_table(&fdtdtb); 48 if (hdr == NULL) 49 return (1); 50 if (fdt_load_dtb_addr(hdr) != 0) 51 return (1); 52 printf("Using DTB provided by EFI at %p.\n", hdr); 53 54 return (0); 55 } 56 57 void 58 fdt_platform_load_overlays(void) 59 { 60 61 fdt_load_dtb_overlays(NULL); 62 } 63 64 void 65 fdt_platform_fixups(void) 66 { 67 68 fdt_apply_overlays(); 69 } 70