9 #include <linux/types.h>
10 #include <asm/u-boot.h>
12 /* Definitions used by the flattened device tree */
13 #define OF_DT_HEADER 0xd00dfeed /* marker */
14 #define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */
15 #define OF_DT_END_NODE 0x2 /* End node */
16 #define OF_DT_PROP 0x3 /* Property: name off, size,
18 #define OF_DT_NOP 0x4 /* nop */
21 #define OF_DT_VERSION 0x10
23 struct boot_param_header {
24 u32 magic; /* magic word OF_DT_HEADER */
25 u32 totalsize; /* total size of DT block */
26 u32 off_dt_struct; /* offset to structure */
27 u32 off_dt_strings; /* offset to strings */
28 u32 off_mem_rsvmap; /* offset to memory reserve map */
29 u32 version; /* format version */
30 u32 last_comp_version; /* last compatible version */
31 /* version 2 fields below */
32 u32 boot_cpuid_phys; /* Physical CPU id we're booting on */
33 /* version 3 fields below */
34 u32 dt_strings_size; /* size of the DT strings block */
38 struct boot_param_header *bph;
39 int max_size; /* maximum size of tree */
40 int overflow; /* set when this happens */
41 u8 *p, *pstr, *pres; /* running pointers */
42 u8 *p_begin, *pstr_begin, *pres_begin; /* starting pointers */
43 u8 *p_anchor; /* start of constructed area */
44 int struct_size, strings_size, res_size;
47 void ft_begin_node(struct ft_cxt *cxt, const char *name);
48 void ft_end_node(struct ft_cxt *cxt);
50 void ft_begin_tree(struct ft_cxt *cxt);
51 int ft_end_tree(struct ft_cxt *cxt);
53 void ft_nop(struct ft_cxt *cxt);
54 void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz);
55 void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str);
56 void ft_prop_int(struct ft_cxt *cxt, const char *name, int val);
57 void ft_begin(struct ft_cxt *cxt, void *blob, int max_size);
58 void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size);
60 void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_end);
62 void ft_dump_blob(const void *bphp);
63 void ft_merge_blob(struct ft_cxt *cxt, void *blob);
64 void *ft_get_prop(void *bphp, const char *propname, int *szp);
66 void ft_board_setup(void *blob, bd_t *bd);