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
;
40 u8
*p_start
; /* pointer to beginning of dt_struct */
41 u8
*p_end
; /* pointer to end of dt_strings */
42 u8
*p
; /* pointer to end of dt_struct and beginning of dt_strings */
45 void ft_begin_node(struct ft_cxt
*cxt
, const char *name
);
46 void ft_init_cxt(struct ft_cxt
*cxt
, void *blob
);
47 void ft_end_node(struct ft_cxt
*cxt
);
49 void ft_end_tree(struct ft_cxt
*cxt
);
50 void ft_finalize_tree(struct ft_cxt
*cxt
);
52 void ft_nop(struct ft_cxt
*cxt
);
53 void ft_prop(struct ft_cxt
*cxt
, const char *name
, const void *data
, int sz
);
54 void ft_prop_str(struct ft_cxt
*cxt
, const char *name
, const char *str
);
55 void ft_prop_int(struct ft_cxt
*cxt
, const char *name
, int val
);
56 void ft_begin(struct ft_cxt
*cxt
, void *blob
, int max_size
);
57 void ft_add_rsvmap(struct ft_cxt
*cxt
, u64 physaddr
, u64 size
);
59 void ft_setup(void *blob
, bd_t
* bd
, ulong initrd_start
, ulong initrd_end
);
61 void ft_dump_blob(const void *bphp
);
62 void ft_merge_blob(struct ft_cxt
*cxt
, void *blob
);
63 void *ft_get_prop(void *bphp
, const char *propname
, int *szp
);
65 void ft_board_setup(void *blob
, bd_t
*bd
);
66 void ft_cpu_setup(void *blob
, bd_t
*bd
);
67 void ft_pci_setup(void *blob
, bd_t
*bd
);