upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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138 lines
4.9 KiB
138 lines
4.9 KiB
#ifndef _LIBFDT_H
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#define _LIBFDT_H
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/*
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* libfdt - Flat Device Tree manipulation
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* Copyright (C) 2006 David Gibson, IBM Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <fdt.h>
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#include <libfdt_env.h>
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#define FDT_FIRST_SUPPORTED_VERSION 0x10
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#define FDT_LAST_SUPPORTED_VERSION 0x11
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/* Error codes: informative error codes */
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#define FDT_ERR_NOTFOUND 1
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#define FDT_ERR_EXISTS 2
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#define FDT_ERR_NOSPACE 3
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/* Error codes: codes for bad parameters */
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#define FDT_ERR_BADOFFSET 4
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#define FDT_ERR_BADPATH 5
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#define FDT_ERR_BADSTATE 6
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/* Error codes: codes for bad device tree blobs */
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#define FDT_ERR_TRUNCATED 7
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#define FDT_ERR_BADMAGIC 8
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#define FDT_ERR_BADVERSION 9
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#define FDT_ERR_BADSTRUCTURE 10
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#define FDT_ERR_BADLAYOUT 11
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#define FDT_ERR_MAX 11
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#define fdt_get_header(fdt, field) \
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(fdt32_to_cpu(((struct fdt_header *)(fdt))->field))
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#define fdt_magic(fdt) (fdt_get_header(fdt, magic))
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#define fdt_totalsize(fdt) (fdt_get_header(fdt, totalsize))
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#define fdt_off_dt_struct(fdt) (fdt_get_header(fdt, off_dt_struct))
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#define fdt_off_dt_strings(fdt) (fdt_get_header(fdt, off_dt_strings))
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#define fdt_off_mem_rsvmap(fdt) (fdt_get_header(fdt, off_mem_rsvmap))
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#define fdt_version(fdt) (fdt_get_header(fdt, version))
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#define fdt_last_comp_version(fdt) (fdt_get_header(fdt, last_comp_version))
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#define fdt_boot_cpuid_phys(fdt) (fdt_get_header(fdt, boot_cpuid_phys))
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#define fdt_size_dt_strings(fdt) (fdt_get_header(fdt, size_dt_strings))
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#define fdt_size_dt_struct(fdt) (fdt_get_header(fdt, size_dt_struct))
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#define fdt_set_header(fdt, field, val) \
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((struct fdt_header *)(fdt))->field = cpu_to_fdt32(val)
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void *fdt_offset_ptr(const void *fdt, int offset, int checklen);
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#define fdt_offset_ptr_typed(fdt, offset, var) \
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((typeof(var))(fdt_offset_ptr((fdt), (offset), sizeof(*(var)))))
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int fdt_move(const void *fdt, void *buf, int bufsize);
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/* Read-only functions */
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char *fdt_string(const void *fdt, int stroffset);
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int fdt_subnode_offset_namelen(const void *fdt, int parentoffset,
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const char *name, int namelen);
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int fdt_subnode_offset(const void *fdt, int parentoffset, const char *name);
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int fdt_path_offset(const void *fdt, const char *path);
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struct fdt_property *fdt_get_property(const void *fdt, int nodeoffset,
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const char *name, int *lenp);
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void *fdt_getprop(const void *fdt, int nodeoffset,
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const char *name, int *lenp);
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uint32_t fdt_next_tag(const void *fdt, int offset,
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int *nextoffset, char **namep);
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/* Write-in-place functions */
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int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
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const void *val, int len);
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#define fdt_setprop_inplace_typed(fdt, nodeoffset, name, val) \
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({ \
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typeof(val) x = val; \
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fdt_setprop_inplace(fdt, nodeoffset, name, &x, sizeof(x)); \
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})
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int fdt_nop_property(void *fdt, int nodeoffset, const char *name);
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int fdt_nop_node(void *fdt, int nodeoffset);
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/* Sequential-write functions */
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int fdt_create(void *buf, int bufsize);
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int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size);
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int fdt_finish_reservemap(void *fdt);
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int fdt_begin_node(void *fdt, const char *name);
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int fdt_property(void *fdt, const char *name, const void *val, int len);
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#define fdt_property_typed(fdt, name, val) \
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({ \
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typeof(val) x = (val); \
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fdt_property((fdt), (name), &x, sizeof(x)); \
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})
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#define fdt_property_string(fdt, name, str) \
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fdt_property(fdt, name, str, strlen(str)+1)
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int fdt_end_node(void *fdt);
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int fdt_finish(void *fdt);
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/* Read-write functions */
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int fdt_open_into(void *fdt, void *buf, int bufsize);
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int fdt_pack(void *fdt);
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int fdt_setprop(void *fdt, int nodeoffset, const char *name,
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const void *val, int len);
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#define fdt_setprop_typed(fdt, nodeoffset, name, val) \
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({ \
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typeof(val) x = (val); \
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fdt_setprop((fdt), (nodeoffset), (name), &x, sizeof(x)); \
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})
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#define fdt_setprop_string(fdt, nodeoffset, name, str) \
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fdt_setprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)
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int fdt_delprop(void *fdt, int nodeoffset, const char *name);
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int fdt_add_subnode_namelen(void *fdt, int parentoffset,
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const char *name, int namelen);
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int fdt_add_subnode(void *fdt, int parentoffset, const char *name);
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int fdt_del_node(void *fdt, int nodeoffset);
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/* Extra functions */
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const char *fdt_strerror(int errval);
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#endif /* _LIBFDT_H */
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