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-rw-r--r--board/sunxi/README.sunxi646
1 files changed, 6 insertions, 0 deletions
diff --git a/board/sunxi/README.sunxi64 b/board/sunxi/README.sunxi64
index 5a363d27b8a..df1dbc818f7 100644
--- a/board/sunxi/README.sunxi64
+++ b/board/sunxi/README.sunxi64
@@ -38,6 +38,12 @@ the root of your U-Boot build directory (or create a symbolic link).
$ export BL31=/src/arm-trusted-firmware/build/sun50iw1p1/debug/bl31.bin
(adjust the actual path accordingly)
+If you run into size issues with the resulting U-Boot image file, it might
+help to use a release build, by using "DEBUG=0" when building bl31.bin.
+As sometimes the ATF build process is a bit picky about the toolchain used,
+or if you can't be bothered with building ATF, there are known working
+binaries in the firmware repository[3], purely for convenience reasons.
+
SPL/U-Boot
------------
Both U-Boot proper and the SPL are using the 64-bit mode. As the boot ROM