diff options
Diffstat (limited to 'stand/efi/fdt/efi_fdt.c')
-rw-r--r-- | stand/efi/fdt/efi_fdt.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/stand/efi/fdt/efi_fdt.c b/stand/efi/fdt/efi_fdt.c new file mode 100644 index 0000000000000..d6757689c8967 --- /dev/null +++ b/stand/efi/fdt/efi_fdt.c @@ -0,0 +1,62 @@ +/*- + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Andrew Turner under + * sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <stand.h> +#include <efi.h> +#include <efilib.h> +#include <fdt_platform.h> + +#include "bootstrap.h" + +static EFI_GUID fdtdtb = FDT_TABLE_GUID; + +int +fdt_platform_load_dtb(void) +{ + struct fdt_header *hdr; + + hdr = efi_get_table(&fdtdtb); + if (hdr != NULL) { + if (fdt_load_dtb_addr(hdr) == 0) { + printf("Using DTB provided by EFI at %p.\n", hdr); + return (0); + } + } + + return (1); +} + +void +fdt_platform_fixups(void) +{ +} |