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@@ -12,6 +12,9 @@
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#ifndef _LINUX_OF_FDT_H
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#define _LINUX_OF_FDT_H
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+#include <linux/types.h>
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+#include <linux/init.h>
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+
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/* Definitions used by the flattened device tree */
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#define OF_DT_HEADER 0xd00dfeed /* marker */
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#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */
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@@ -54,5 +57,16 @@ struct boot_param_header {
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u32 dt_struct_size; /* size of the DT structure block */
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};
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+/* For scanning the flat device-tree at boot time */
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+extern int __init of_scan_flat_dt(int (*it)(unsigned long node,
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+ const char *uname, int depth,
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+ void *data),
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+ void *data);
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+extern void __init *of_get_flat_dt_prop(unsigned long node, const char *name,
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+ unsigned long *size);
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+extern int __init of_flat_dt_is_compatible(unsigned long node,
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+ const char *name);
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+extern unsigned long __init of_get_flat_dt_root(void);
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+
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#endif /* __ASSEMBLY__ */
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#endif /* _LINUX_OF_FDT_H */
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