From eea63e05d0b7f54e7aa39725015483972c71cb3c Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Mon, 24 Oct 2011 19:15:34 +0000 Subject: fdt: ARM: Add fdtcontroladdr to set device tree address in environment This adds support for a new environment variable called 'fdtcontroladdr'. If defined, the hex address is used as the address of the control fdt for U-Boot. Note: I have not changed CONFIG_PRAM section as I already have an outstanding patch on that. Signed-off-by: Simon Glass --- arch/arm/lib/board.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/arm/lib') diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c index bd6d4e319a..bae2892373 100644 --- 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) { -- cgit