blob: 89c689c0847b0cfaa52dc6db32abfa170dfe1736 [file] [log] [blame]
Wolfgang Denk814d98f2005-10-13 01:59:29 +02001/*
2 * OF Flat tree builder
3 *
4 */
5
6#ifndef FT_BUILD_H
7#define FT_BUILD_H
8
9#include <linux/types.h>
10#include <asm/u-boot.h>
11
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,
17 * content */
18#define OF_DT_NOP 0x4 /* nop */
19#define OF_DT_END 0x9
20
21#define OF_DT_VERSION 0x10
22
23struct 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 */
35};
36
37struct ft_cxt {
38 struct boot_param_header *bph;
Matthew McClintock1b380ec2006-06-28 10:42:24 -050039 u8 *p_rsvmap;
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 */
Wolfgang Denk814d98f2005-10-13 01:59:29 +020043};
44
45void ft_begin_node(struct ft_cxt *cxt, const char *name);
Matthew McClintock1b380ec2006-06-28 10:42:24 -050046void ft_init_cxt(struct ft_cxt *cxt, void *blob);
Wolfgang Denk814d98f2005-10-13 01:59:29 +020047void ft_end_node(struct ft_cxt *cxt);
48
Matthew McClintock1b380ec2006-06-28 10:42:24 -050049void ft_end_tree(struct ft_cxt *cxt);
50void ft_finalize_tree(struct ft_cxt *cxt);
Wolfgang Denk814d98f2005-10-13 01:59:29 +020051
52void ft_nop(struct ft_cxt *cxt);
53void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz);
54void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str);
55void ft_prop_int(struct ft_cxt *cxt, const char *name, int val);
56void ft_begin(struct ft_cxt *cxt, void *blob, int max_size);
57void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size);
58
Matthew McClintock1b380ec2006-06-28 10:42:24 -050059void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end);
Wolfgang Denk814d98f2005-10-13 01:59:29 +020060
61void ft_dump_blob(const void *bphp);
62void ft_merge_blob(struct ft_cxt *cxt, void *blob);
63void *ft_get_prop(void *bphp, const char *propname, int *szp);
64
Matthew McClintock1b380ec2006-06-28 10:42:24 -050065#ifdef CONFIG_OF_BOARD_SETUP
Kumar Gala4e253132006-01-11 13:54:17 -060066void ft_board_setup(void *blob, bd_t *bd);
Matthew McClintock7376eb82006-10-11 15:13:01 -050067void ft_cpu_setup(void *blob, bd_t *bd);
68void ft_pci_setup(void *blob, bd_t *bd);
Matthew McClintock1b380ec2006-06-28 10:42:24 -050069#endif
Kumar Gala4e253132006-01-11 13:54:17 -060070
Wolfgang Denk814d98f2005-10-13 01:59:29 +020071#endif