diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/fdtdec.c | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 30ec6b92b2..6b138faf85 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -1272,6 +1272,28 @@ static int uncompress_blob(const void *src, ulong sz_src, void **dstp) # endif #endif +#if defined(CONFIG_OF_BOARD) || defined(CONFIG_OF_SEPARATE) +/* + * For CONFIG_OF_SEPARATE, the board may optionally implement this to + * provide and/or fixup the fdt. + */ +__weak void *board_fdt_blob_setup(void) +{ + void *fdt_blob = NULL; +#ifdef CONFIG_SPL_BUILD + /* FDT is at end of BSS unless it is in a different memory region */ + if (IS_ENABLED(CONFIG_SPL_SEPARATE_BSS)) + fdt_blob = (ulong *)&_image_binary_end; + else + fdt_blob = (ulong *)&__bss_end; +#else + /* FDT is at end of image */ + fdt_blob = (ulong *)&_end; +#endif + return fdt_blob; +} +#endif + int fdtdec_setup(void) { #if CONFIG_IS_ENABLED(OF_CONTROL) @@ -1285,18 +1307,7 @@ int fdtdec_setup(void) # else gd->fdt_blob = __dtb_dt_begin; # endif -# elif defined CONFIG_OF_SEPARATE -# ifdef CONFIG_SPL_BUILD - /* FDT is at end of BSS unless it is in a different memory region */ - if (IS_ENABLED(CONFIG_SPL_SEPARATE_BSS)) - gd->fdt_blob = (ulong *)&_image_binary_end; - else - gd->fdt_blob = (ulong *)&__bss_end; -# else - /* FDT is at end of image */ - gd->fdt_blob = (ulong *)&_end; -# endif -# elif defined(CONFIG_OF_BOARD) +# elif defined(CONFIG_OF_BOARD) || defined(CONFIG_OF_SEPARATE) /* Allow the board to override the fdt address. */ gd->fdt_blob = board_fdt_blob_setup(); # elif defined(CONFIG_OF_HOSTFILE) |