From cb5f97f70766fdabc90847bbbc25eb759b2b4797 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 23 Jun 2015 15:39:09 -0600 Subject: [PATCH] fdt: Provide debug info when a device tree cannot be found It can be quite confusing with a new platform to figure out why the device tree cannot be located. Add some debug information for this case. Signed-off-by: Simon Glass --- lib/fdtdec.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/fdtdec.c b/lib/fdtdec.c index f6c2b195a3..232ca74712 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -568,6 +568,13 @@ int fdtdec_prepare_fdt(void) puts("Missing DTB\n"); #else puts("No valid device tree binary found - please append one to U-Boot binary, use u-boot-dtb.bin or define CONFIG_OF_EMBED. For sandbox, use -d \n"); +# ifdef DEBUG + if (gd->fdt_blob) { + printf("fdt_blob=%p\n", gd->fdt_blob); + print_buffer((ulong)gd->fdt_blob, gd->fdt_blob, 4, + 32, 0); + } +# endif #endif return -1; } -- 2.39.5