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-rw-r--r--doc/uImage.FIT/kernel.its4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/uImage.FIT/kernel.its b/doc/uImage.FIT/kernel.its
index e668c3f..0aaf47e 100644
--- a/doc/uImage.FIT/kernel.its
+++ b/doc/uImage.FIT/kernel.its
@@ -85,3 +85,7 @@ For x86 a setup node is also required: see x86-fit-boot.txt.
};
};
};
+
+Note: the above assumes a 32-bit kernel. To directly boot a 64-bit kernel,
+change both arch values to "x86_64". U-Boot will then change to 64-bit mode
+before booting the kernel (see boot_linux_kernel()).