fdt: Rename setup_fdt() and make it prepare also

[karo-tx-uboot.git] / lib / fdtdec.c

diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 577c60ed0d9e94a04facb6965ae91dc28f467de1..80b897a21cd69a88ce5d3fe1398d23da11339f67 100644 (file)
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -9,6 +9,7 @@
 #include <serial.h>
 #include <libfdt.h>
 #include <fdtdec.h>
+#include <asm/sections.h>
 #include <linux/ctype.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -1037,4 +1038,34 @@ int fdtdec_decode_memory_region(const void *blob, int config_node,
 
        return 0;
 }
+
+int fdtdec_setup(void)
+{
+#ifdef CONFIG_OF_CONTROL
+# ifdef CONFIG_OF_EMBED
+       /* Get a pointer to the FDT */
+       gd->fdt_blob = __dtb_dt_begin;
+# elif defined CONFIG_OF_SEPARATE
+#  ifdef CONFIG_SPL_BUILD
+       /* FDT is at end of BSS */
+       gd->fdt_blob = (ulong *)&__bss_end;
+#  else
+       /* FDT is at end of image */
+       gd->fdt_blob = (ulong *)&_end;
 #endif
+# elif defined(CONFIG_OF_HOSTFILE)
+       if (sandbox_read_fdt_from_file()) {
+               puts("Failed to read control FDT\n");
+               return -1;
+       }
+# endif
+# ifndef CONFIG_SPL_BUILD
+       /* Allow the early environment to override the fdt address */
+       gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
+                                               (uintptr_t)gd->fdt_blob);
+# endif
+#endif
+       return fdtdec_prepare_fdt();
+}
+
+#endif /* !USE_HOSTCC */