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Diffstat (limited to 'Documentation/soc/intel/apollolake/index.md')
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diff --git a/Documentation/soc/intel/apollolake/index.md b/Documentation/soc/intel/apollolake/index.md new file mode 100644 index 000000000000..d4a5ee51ae76 --- /dev/null +++ b/Documentation/soc/intel/apollolake/index.md @@ -0,0 +1,17 @@ +# Apollolake +## SPI flash layout + +![][apl_flash_layout] + +With Apollolake Intel invented another flash layout for x86 firmware called IFWI (Intel FirmWare Image). + +Usually on x86 platforms the bootblock is stored at the end of the bios region +and the Intel ME / TXE has its own IFD region. On Apollolake both have been +moved into the IFWI region, which is a subregion of "BIOS", since it allows to +store multiple firmware components. + +The IFWI region can be manipulated by `ifwitool`. + +[apl_flash_layout]: flash_layout.svg + + |