1d1ffd9efb
It returns memory regions restricted from being used by kernel. These regions are dfined in "memreserve" property of root node in the same format as "reg" property of /memory node
117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
/*-
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* Copyright (c) 2009-2010 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Semihalf under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _FDT_COMMON_H_
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#define _FDT_COMMON_H_
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#include <sys/slicer.h>
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#include <contrib/libfdt/libfdt_env.h>
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#include <dev/ofw/ofw_bus.h>
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#include <machine/fdt.h>
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#define FDT_MEM_REGIONS 8
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#define DI_MAX_INTR_NUM 8
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struct fdt_pci_range {
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u_long base_pci;
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u_long base_parent;
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u_long len;
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};
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struct fdt_pci_intr {
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int addr_cells;
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int intr_cells;
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int map_len;
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pcell_t *map;
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pcell_t *mask;
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};
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struct fdt_sense_level {
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enum intr_trigger trig;
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enum intr_polarity pol;
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};
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typedef int (*fdt_pic_decode_t)(phandle_t, pcell_t *, int *, int *, int *);
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extern fdt_pic_decode_t fdt_pic_table[];
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typedef void (*fdt_fixup_t)(phandle_t);
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struct fdt_fixup_entry {
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char *model;
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fdt_fixup_t handler;
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};
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extern struct fdt_fixup_entry fdt_fixup_table[];
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extern vm_paddr_t fdt_immr_pa;
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extern vm_offset_t fdt_immr_va;
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extern vm_offset_t fdt_immr_size;
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struct fdt_pm_mask_entry {
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char *compat;
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uint32_t mask;
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};
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extern struct fdt_pm_mask_entry fdt_pm_mask_table[];
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#if defined(FDT_DTB_STATIC)
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extern u_char fdt_static_dtb;
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#endif
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int fdt_addrsize_cells(phandle_t, int *, int *);
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u_long fdt_data_get(void *, int);
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int fdt_data_to_res(pcell_t *, int, int, u_long *, u_long *);
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int fdt_data_verify(void *, int);
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phandle_t fdt_find_compatible(phandle_t, const char *, int);
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int fdt_get_mem_regions(struct mem_region *, int *, uint32_t *);
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int fdt_get_reserved_regions(struct mem_region *, int *);
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int fdt_get_phyaddr(phandle_t, device_t, int *, void **);
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int fdt_get_range(phandle_t, int, u_long *, u_long *);
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int fdt_immr_addr(vm_offset_t);
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int fdt_regsize(phandle_t, u_long *, u_long *);
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int fdt_intr_decode(phandle_t, pcell_t *, int *, int *, int *);
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int fdt_intr_to_rl(phandle_t, struct resource_list *, struct fdt_sense_level *);
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int fdt_is_compatible(phandle_t, const char *);
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int fdt_is_compatible_strict(phandle_t, const char *);
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int fdt_is_enabled(phandle_t);
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int fdt_pm_is_enabled(phandle_t);
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int fdt_is_type(phandle_t, const char *);
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int fdt_parent_addr_cells(phandle_t);
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int fdt_pci_intr_info(phandle_t, struct fdt_pci_intr *);
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int fdt_pci_ranges(phandle_t, struct fdt_pci_range *, struct fdt_pci_range *);
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int fdt_pci_ranges_decode(phandle_t, struct fdt_pci_range *,
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struct fdt_pci_range *);
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int fdt_pci_route_intr(int, int, int, int, struct fdt_pci_intr *, int *);
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int fdt_ranges_verify(pcell_t *, int, int, int, int);
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int fdt_reg_to_rl(phandle_t, struct resource_list *);
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int fdt_pm(phandle_t);
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int fdt_get_unit(device_t);
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#endif /* _FDT_COMMON_H_ */
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