choice prompt "SPL Image Type" default SPL_IMAGE_TYPE_SUNXI_EGON config SPL_IMAGE_TYPE_SUNXI_EGON bool "eGON (normal)" help Select this option to embed the SPL binary in an eGON.BT0 image, which is compatible with the normal boot ROM (NBROM). This is usually the correct option to choose. config SPL_IMAGE_TYPE_SUNXI_TOC0 bool "TOC0 (secure)" help Select this option to embed the SPL binary in a TOC0 image, which is compatible with the secure boot ROM (SBROM). endchoice config SPL_IMAGE_TYPE string default "sunxi_egon" if SPL_IMAGE_TYPE_SUNXI_EGON default "sunxi_toc0" if SPL_IMAGE_TYPE_SUNXI_TOC0