1 /*- 2 * Copyright (c) 2009-2010 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Semihalf under sponsorship from 6 * the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 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. 16 * 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 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _FDT_COMMON_H_ 33 #define _FDT_COMMON_H_ 34 35 #include <sys/sysctl.h> 36 #include <sys/slicer.h> 37 #include <contrib/libfdt/libfdt_env.h> 38 #include <dev/ofw/ofw_bus.h> 39 40 #define FDT_MEM_REGIONS 8 41 42 #define DI_MAX_INTR_NUM 32 43 44 struct fdt_sense_level { 45 enum intr_trigger trig; 46 enum intr_polarity pol; 47 }; 48 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[]; 52 #endif 53 54 #if defined(__arm__) || defined(__powerpc__) 55 typedef void (*fdt_fixup_t)(phandle_t); 56 struct fdt_fixup_entry { 57 char *model; 58 fdt_fixup_t handler; 59 }; 60 extern struct fdt_fixup_entry fdt_fixup_table[]; 61 #endif 62 63 extern SLIST_HEAD(fdt_ic_list, fdt_ic) fdt_ic_list_head; 64 struct fdt_ic { 65 SLIST_ENTRY(fdt_ic) fdt_ics; 66 ihandle_t iph; 67 device_t dev; 68 }; 69 70 extern vm_paddr_t fdt_immr_pa; 71 extern vm_offset_t fdt_immr_va; 72 extern vm_offset_t fdt_immr_size; 73 74 struct fdt_pm_mask_entry { 75 char *compat; 76 uint32_t mask; 77 }; 78 extern struct fdt_pm_mask_entry fdt_pm_mask_table[]; 79 80 #if defined(FDT_DTB_STATIC) 81 extern u_char fdt_static_dtb; 82 #endif 83 84 SYSCTL_DECL(_hw_fdt); 85 86 int fdt_addrsize_cells(phandle_t, int *, int *); 87 u_long fdt_data_get(void *, int); 88 int fdt_data_to_res(pcell_t *, int, int, u_long *, u_long *); 89 phandle_t fdt_find_compatible(phandle_t, const char *, int); 90 phandle_t fdt_depth_search_compatible(phandle_t, const char *, int); 91 int fdt_get_mem_regions(struct mem_region *, int *, uint64_t *); 92 int fdt_get_reserved_regions(struct mem_region *, int *); 93 int fdt_get_phyaddr(phandle_t, device_t, int *, void **); 94 int fdt_get_range(phandle_t, int, u_long *, u_long *); 95 int fdt_immr_addr(vm_offset_t); 96 int fdt_regsize(phandle_t, u_long *, u_long *); 97 int fdt_is_compatible(phandle_t, const char *); 98 int fdt_is_compatible_strict(phandle_t, const char *); 99 int fdt_is_enabled(phandle_t); 100 int fdt_pm_is_enabled(phandle_t); 101 int fdt_is_type(phandle_t, const char *); 102 int fdt_parent_addr_cells(phandle_t); 103 int fdt_reg_to_rl(phandle_t, struct resource_list *); 104 int fdt_pm(phandle_t); 105 int fdt_get_unit(device_t); 106 int fdt_get_chosen_bootargs(char *bootargs, size_t max_size); 107 108 #endif /* _FDT_COMMON_H_ */ 109