Makefile: Change CONFIG_SPL_PAD_TO to image offset

[people/ms/u-boot.git] / README

diff --git a/README b/README
index 9285ddda406ebb96e8517dd03904ba63bc28d9f9..6272853993205496cf8cd1a6176e54e48badca21 100644 (file)
--- a/README
+++ b/README
@@ -2908,8 +2908,11 @@ FIT uImage format:
                Support for lib/libgeneric.o in SPL binary
 
                CONFIG_SPL_PAD_TO
-               Linker address to which the SPL should be padded before
-               appending the SPL payload.
+               Image offset to which the SPL should be padded before appending
+               the SPL payload. By default, this is defined as
+               CONFIG_SPL_MAX_SIZE, or 0 if CONFIG_SPL_MAX_SIZE is undefined.
+               CONFIG_SPL_PAD_TO must be either 0, meaning to append the SPL
+               payload without any padding, or >= CONFIG_SPL_MAX_SIZE.
 
                CONFIG_SPL_TARGET
                Final target image containing SPL and payload.  Some SPLs