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author | Wolfgang Denk <wd@pollux.denx.de> | 2005-10-13 01:59:29 +0200 |
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committer | Wolfgang Denk <wd@pollux.denx.de> | 2005-10-13 01:59:29 +0200 |
commit | 814d98f24ec7568bd82bf32b9bff116ef40322e0 (patch) | |
tree | 851d39242940685d3a963689ad04aef0de4fa8f9 /include/ft_build.h | |
parent | cbdf8824faaeab6f989bee60443987ef6272e77a (diff) | |
download | u-boot-imx-814d98f24ec7568bd82bf32b9bff116ef40322e0.zip u-boot-imx-814d98f24ec7568bd82bf32b9bff116ef40322e0.tar.gz u-boot-imx-814d98f24ec7568bd82bf32b9bff116ef40322e0.tar.bz2 |
Add missing files for Pantelis Antoniou's patch
Patch by Pantelis Antoniou, 04 Sep 2005
Diffstat (limited to 'include/ft_build.h')
-rw-r--r-- | include/ft_build.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/ft_build.h b/include/ft_build.h new file mode 100644 index 0000000..9104b1a --- /dev/null +++ b/include/ft_build.h @@ -0,0 +1,66 @@ +/* + * OF Flat tree builder + * + */ + +#ifndef FT_BUILD_H +#define FT_BUILD_H + +#include <linux/types.h> +#include <asm/u-boot.h> + +/* Definitions used by the flattened device tree */ +#define OF_DT_HEADER 0xd00dfeed /* marker */ +#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ +#define OF_DT_END_NODE 0x2 /* End node */ +#define OF_DT_PROP 0x3 /* Property: name off, size, + * content */ +#define OF_DT_NOP 0x4 /* nop */ +#define OF_DT_END 0x9 + +#define OF_DT_VERSION 0x10 + +struct boot_param_header { + u32 magic; /* magic word OF_DT_HEADER */ + u32 totalsize; /* total size of DT block */ + u32 off_dt_struct; /* offset to structure */ + u32 off_dt_strings; /* offset to strings */ + u32 off_mem_rsvmap; /* offset to memory reserve map */ + u32 version; /* format version */ + u32 last_comp_version; /* last compatible version */ + /* version 2 fields below */ + u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ + /* version 3 fields below */ + u32 dt_strings_size; /* size of the DT strings block */ +}; + +struct ft_cxt { + struct boot_param_header *bph; + int max_size; /* maximum size of tree */ + int overflow; /* set when this happens */ + u8 *p, *pstr, *pres; /* running pointers */ + u8 *p_begin, *pstr_begin, *pres_begin; /* starting pointers */ + u8 *p_anchor; /* start of constructed area */ + int struct_size, strings_size, res_size; +}; + +void ft_begin_node(struct ft_cxt *cxt, const char *name); +void ft_end_node(struct ft_cxt *cxt); + +void ft_begin_tree(struct ft_cxt *cxt); +int ft_end_tree(struct ft_cxt *cxt); + +void ft_nop(struct ft_cxt *cxt); +void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz); +void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str); +void ft_prop_int(struct ft_cxt *cxt, const char *name, int val); +void ft_begin(struct ft_cxt *cxt, void *blob, int max_size); +void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size); + +void ft_setup(void *blob, int size, bd_t * bd); + +void ft_dump_blob(const void *bphp); +void ft_merge_blob(struct ft_cxt *cxt, void *blob); +void *ft_get_prop(void *bphp, const char *propname, int *szp); + +#endif |