From 453bb77d09c993a0690a045308aee9813b7dd58b Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 19 Mar 2020 10:23:56 +0100 Subject: [PATCH] arm64: xilinx: Never touch DDR if system has no DDR If DDR is not mapped do not touch it. Default XILINX_OF_BOARD_DTB_ADDR is pointing to DDR. Signed-off-by: Michal Simek --- board/xilinx/common/board.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/board/xilinx/common/board.c b/board/xilinx/common/board.c index f87e2e9105..e83c692f21 100644 --- a/board/xilinx/common/board.c +++ b/board/xilinx/common/board.c @@ -41,12 +41,16 @@ int zynq_board_read_rom_ethaddr(unsigned char *ethaddr) #if defined(CONFIG_OF_BOARD) || defined(CONFIG_OF_SEPARATE) void *board_fdt_blob_setup(void) { - static void *fdt_blob = (void *)CONFIG_XILINX_OF_BOARD_DTB_ADDR; + static void *fdt_blob; + +#if !defined(CONFIG_VERSAL_NO_DDR) && !defined(CONFIG_ZYNQMP_NO_DDR) + fdt_blob = (void *)CONFIG_XILINX_OF_BOARD_DTB_ADDR; if (fdt_magic(fdt_blob) == FDT_MAGIC) return fdt_blob; debug("DTB is not passed via %p\n", fdt_blob); +#endif #ifdef CONFIG_SPL_BUILD /* FDT is at end of BSS unless it is in a different memory region */ -- 2.39.5