Release 4.7 include/linux/of_fdt.h
/*
* Definitions for working with the Flattened Device Tree data format
*
* Copyright 2009 Benjamin Herrenschmidt, IBM Corp
* benh@kernel.crashing.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*/
#ifndef _LINUX_OF_FDT_H
#define _LINUX_OF_FDT_H
#include <linux/types.h>
#include <linux/init.h>
/* Definitions used by the flattened device tree */
#define OF_DT_HEADER 0xd00dfeed
/* marker */
#ifndef __ASSEMBLY__
#if defined(CONFIG_OF_FLATTREE)
struct device_node;
/* For scanning an arbitrary device-tree at any time */
extern char *of_fdt_get_string(const void *blob, u32 offset);
extern void *of_fdt_get_property(const void *blob,
unsigned long node,
const char *name,
int *size);
extern int of_fdt_is_compatible(const void *blob,
unsigned long node,
const char *compat);
extern bool of_fdt_is_big_endian(const void *blob,
unsigned long node);
extern int of_fdt_match(const void *blob, unsigned long node,
const char *const *compat);
extern void *of_fdt_unflatten_tree(const unsigned long *blob,
struct device_node *dad,
struct device_node **mynodes);
/* TBD: Temporary export of fdt globals - remove when code fully merged */
extern int __initdata dt_root_addr_cells;
extern int __initdata dt_root_size_cells;
extern void *initial_boot_params;
extern char __dtb_start[];
extern char __dtb_end[];
/* For scanning the flat device-tree at boot time */
extern int of_scan_flat_dt(int (*it)(unsigned long node, const char *uname,
int depth, void *data),
void *data);
extern const void *of_get_flat_dt_prop(unsigned long node, const char *name,
int *size);
extern int of_flat_dt_is_compatible(unsigned long node, const char *name);
extern int of_flat_dt_match(unsigned long node, const char *const *matches);
extern unsigned long of_get_flat_dt_root(void);
extern int of_get_flat_dt_size(void);
extern int early_init_dt_scan_chosen(unsigned long node, const char *uname,
int depth, void *data);
extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
int depth, void *data);
extern void early_init_fdt_scan_reserved_mem(void);
extern void early_init_fdt_reserve_self(void);
extern void early_init_dt_add_memory_arch(u64 base, u64 size);
extern int early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size,
bool no_map);
extern void * early_init_dt_alloc_memory_arch(u64 size, u64 align);
extern u64 dt_mem_next_cell(int s, const __be32 **cellp);
/* Early flat tree scan hooks */
extern int early_init_dt_scan_root(unsigned long node, const char *uname,
int depth, void *data);
extern bool early_init_dt_scan(void *params);
extern bool early_init_dt_verify(void *params);
extern void early_init_dt_scan_nodes(void);
extern const char *of_flat_dt_get_machine_name(void);
extern const void *of_flat_dt_match_machine(const void *default_match,
const void * (*get_next_compat)(const char * const**));
/* Other Prototypes */
extern void unflatten_device_tree(void);
extern void unflatten_and_copy_device_tree(void);
extern void early_init_devtree(void *);
extern void early_get_first_memblock_info(void *, phys_addr_t *);
extern u64 of_flat_dt_translate_address(unsigned long node);
extern void of_fdt_limit_memory(int limit);
#else /* CONFIG_OF_FLATTREE */
static inline void early_init_fdt_scan_reserved_mem(void) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| marek szyprowski | marek szyprowski | 6 | 75.00% | 1 | 50.00% |
| ard biesheuvel | ard biesheuvel | 2 | 25.00% | 1 | 50.00% |
| Total | 8 | 100.00% | 2 | 100.00% |
static inline void early_init_fdt_reserve_self(void) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ard biesheuvel | ard biesheuvel | 6 | 75.00% | 1 | 50.00% |
| marek szyprowski | marek szyprowski | 2 | 25.00% | 1 | 50.00% |
| Total | 8 | 100.00% | 2 | 100.00% |
static inline const char *of_flat_dt_get_machine_name(void) { return NULL; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| rob herring | rob herring | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
static inline void unflatten_device_tree(void) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| grant likely | grant likely | 8 | 100.00% | 1 | 100.00% |
| Total | 8 | 100.00% | 1 | 100.00% |
static inline void unflatten_and_copy_device_tree(void) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| rob herring | rob herring | 8 | 100.00% | 1 | 100.00% |
| Total | 8 | 100.00% | 1 | 100.00% |
#endif /* CONFIG_OF_FLATTREE */
#endif /* __ASSEMBLY__ */
#endif /* _LINUX_OF_FDT_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| grant likely | grant likely | 286 | 50.09% | 15 | 38.46% |
| rob herring | rob herring | 110 | 19.26% | 9 | 23.08% |
| stephen neuendorffer | stephen neuendorffer | 67 | 11.73% | 2 | 5.13% |
| marek szyprowski | marek szyprowski | 29 | 5.08% | 1 | 2.56% |
| laura abbott | laura abbott | 24 | 4.20% | 2 | 5.13% |
| ard biesheuvel | ard biesheuvel | 15 | 2.63% | 1 | 2.56% |
| kevin cernekee | kevin cernekee | 14 | 2.45% | 1 | 2.56% |
| kevin hao | kevin hao | 11 | 1.93% | 1 | 2.56% |
| gavin shan | gavin shan | 6 | 1.05% | 2 | 5.13% |
| peter hurley | peter hurley | 4 | 0.70% | 1 | 2.56% |
| uwe kleine-koenig | uwe kleine-koenig | 2 | 0.35% | 1 | 2.56% |
| jeremy kerr | jeremy kerr | 2 | 0.35% | 2 | 5.13% |
| geert uytterhoeven | geert uytterhoeven | 1 | 0.18% | 1 | 2.56% |
| Total | 571 | 100.00% | 39 | 100.00% |
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