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author | Tom Rini <trini@konsulko.com> | 2015-06-05 16:14:01 (GMT) |
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committer | Tom Rini <trini@konsulko.com> | 2015-06-05 16:14:01 (GMT) |
commit | f1737152c01734749c3694d30e1aa86ab28f374e (patch) | |
tree | f8c0cd6cf17ddfdd2410e7528a27f3c8e3c17877 /include/fdt_support.h | |
parent | d85cd291331b07df57fd4ada84d2c7b9b76ac1b8 (diff) | |
parent | 3c4c142e5deed2a9362e65e45372044652ac57b5 (diff) | |
download | u-boot-f1737152c01734749c3694d30e1aa86ab28f374e.tar.xz |
Merge git://git.denx.de/u-boot-fdt
Diffstat (limited to 'include/fdt_support.h')
-rw-r--r-- | include/fdt_support.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/fdt_support.h b/include/fdt_support.h index 5d4f28d..0edc4fa 100644 --- a/include/fdt_support.h +++ b/include/fdt_support.h @@ -16,8 +16,35 @@ u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell, const char *prop, const u32 dflt); u32 fdt_getprop_u32_default(const void *fdt, const char *path, const char *prop, const u32 dflt); + +/** + * Add data to the root of the FDT before booting the OS. + * + * See doc/device-tree-bindings/root.txt + * + * @param fdt FDT address in memory + * @return 0 if ok, or -FDT_ERR_... on error + */ +int fdt_root(void *fdt); + +/** + * Add chosen data the FDT before booting the OS. + * + * In particular, this adds the kernel command line (bootargs) to the FDT. + * + * @param fdt FDT address in memory + * @return 0 if ok, or -FDT_ERR_... on error + */ int fdt_chosen(void *fdt); + +/** + * Add initrd information to the FDT before booting the OS. + * + * @param fdt FDT address in memory + * @return 0 if ok, or -FDT_ERR_... on error + */ int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end); + void do_fixup_by_path(void *fdt, const char *path, const char *prop, const void *val, int len, int create); void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop, |