fdt: ARM: Add fdtcontroladdr to set device tree address in environment

[platform/kernel/u-boot.git] / arch / arm / lib / board.c

diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index bd6d4e3..bae2892 100644 (file)
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -286,6 +286,9 @@ void board_init_f(ulong bootflag)
        /* FDT is at end of image */
        gd->fdt_blob = (void *)(_end_ofs + _TEXT_BASE);
 #endif
+       /* Allow the early environment to override the fdt address */
+       gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
+                                               (uintptr_t)gd->fdt_blob);
 
        for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
                if ((*init_fnc_ptr)() != 0) {