2 * Copyright (c) 2009-2010 The FreeBSD Foundation
5 * This software was developed by Semihalf under sponsorship from
6 * the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #ifndef _FDT_COMMON_H_
33 #define _FDT_COMMON_H_
35 #include <sys/sysctl.h>
36 #include <sys/slicer.h>
37 #include <contrib/libfdt/libfdt_env.h>
38 #include <dev/ofw/ofw_bus.h>
40 #define FDT_MEM_REGIONS 8
42 #define DI_MAX_INTR_NUM 32
44 struct fdt_sense_level {
45 enum intr_trigger trig;
46 enum intr_polarity pol;
49 #if defined(__arm__) && !defined(INTRNG)
50 typedef int (*fdt_pic_decode_t)(phandle_t, pcell_t *, int *, int *, int *);
51 extern fdt_pic_decode_t fdt_pic_table[];
54 #if defined(__arm__) || defined(__powerpc__)
55 typedef void (*fdt_fixup_t)(phandle_t);
56 struct fdt_fixup_entry {
60 extern struct fdt_fixup_entry fdt_fixup_table[];
63 extern SLIST_HEAD(fdt_ic_list, fdt_ic) fdt_ic_list_head;
65 SLIST_ENTRY(fdt_ic) fdt_ics;
70 extern vm_paddr_t fdt_immr_pa;
71 extern vm_offset_t fdt_immr_va;
72 extern vm_offset_t fdt_immr_size;
74 #if defined(FDT_DTB_STATIC)
75 extern u_char fdt_static_dtb;
80 int fdt_addrsize_cells(phandle_t, int *, int *);
81 u_long fdt_data_get(void *, int);
82 int fdt_data_to_res(pcell_t *, int, int, u_long *, u_long *);
83 phandle_t fdt_find_compatible(phandle_t, const char *, int);
84 phandle_t fdt_depth_search_compatible(phandle_t, const char *, int);
85 int fdt_get_mem_regions(struct mem_region *, int *, uint64_t *);
86 int fdt_get_reserved_regions(struct mem_region *, int *);
87 int fdt_get_phyaddr(phandle_t, device_t, int *, void **);
88 int fdt_get_range(phandle_t, int, u_long *, u_long *);
89 int fdt_immr_addr(vm_offset_t);
90 int fdt_regsize(phandle_t, u_long *, u_long *);
91 int fdt_is_compatible_strict(phandle_t, const char *);
92 int fdt_is_enabled(phandle_t);
93 int fdt_pm_is_enabled(phandle_t);
94 int fdt_is_type(phandle_t, const char *);
95 int fdt_parent_addr_cells(phandle_t);
96 int fdt_reg_to_rl(phandle_t, struct resource_list *);
97 int fdt_pm(phandle_t);
98 int fdt_get_unit(device_t);
99 int fdt_get_chosen_bootargs(char *bootargs, size_t max_size);
101 #endif /* _FDT_COMMON_H_ */