diff options
Diffstat (limited to 'include/linux/of_fdt.h')
| -rw-r--r-- | include/linux/of_fdt.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index 7bbf5b328438..c84d900fbbb3 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -58,6 +58,23 @@ struct boot_param_header { }; #if defined(CONFIG_OF_FLATTREE) + +struct device_node; + +/* For scanning an arbitrary device-tree at any time */ +extern char *of_fdt_get_string(struct boot_param_header *blob, u32 offset); +extern void *of_fdt_get_property(struct boot_param_header *blob, + unsigned long node, + const char *name, + unsigned long *size); +extern int of_fdt_is_compatible(struct boot_param_header *blob, + unsigned long node, + const char *compat); +extern int of_fdt_match(struct boot_param_header *blob, unsigned long node, + const char **compat); +extern void of_fdt_unflatten_tree(unsigned long *blob, + 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; @@ -71,6 +88,7 @@ extern int of_scan_flat_dt(int (*it)(unsigned long node, const char *uname, extern void *of_get_flat_dt_prop(unsigned long node, const char *name, unsigned long *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 **matches); extern unsigned long of_get_flat_dt_root(void); extern int early_init_dt_scan_chosen(unsigned long node, const char *uname, @@ -79,7 +97,7 @@ extern void early_init_dt_check_for_initrd(unsigned long node); extern int early_init_dt_scan_memory(unsigned long node, const char *uname, int depth, void *data); extern void early_init_dt_add_memory_arch(u64 base, u64 size); -extern u64 early_init_dt_alloc_memory_arch(u64 size, u64 align); +extern void * early_init_dt_alloc_memory_arch(u64 size, u64 align); extern u64 dt_mem_next_cell(int s, __be32 **cellp); /* |