xref: /freebsd/stand/fdt/fdt_platform.h (revision 06c3fb27)
1 /*-
2  * Copyright (c) 2014 Andrew Turner <andrew@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #ifndef FDT_PLATFORM_H
28 #define FDT_PLATFORM_H
29 
30 struct fdt_header;
31 
32 struct fdt_mem_region {
33 	unsigned long	start;
34 	unsigned long	size;
35 };
36 
37 #define	TMP_MAX_ETH	8
38 
39 int fdt_copy(vm_offset_t);
40 void fdt_fixup_cpubusfreqs(unsigned long, unsigned long);
41 void fdt_fixup_ethernet(const char *, char *, int);
42 void fdt_fixup_memory(struct fdt_mem_region *, size_t);
43 void fdt_fixup_stdout(const char *);
44 int fdt_apply_overlays(void);
45 int fdt_pad_dtb(size_t);
46 int fdt_load_dtb_addr(struct fdt_header *);
47 int fdt_load_dtb_file(const char *);
48 void fdt_load_dtb_overlays(const char *);
49 int fdt_setup_fdtp(void);
50 int fdt_is_setup(void);
51 
52 /* The platform library needs to implement these functions */
53 int fdt_platform_load_dtb(void);
54 void fdt_platform_load_overlays(void);
55 void fdt_platform_fixups(void);
56 
57 /* Devmatch/pnp function */
58 const char *fdt_devmatch_next(int *tag, int *compatlen);
59 
60 #endif /* FDT_PLATFORM_H */
61