diff options
| author | Felix Singer <felix.singer@9elements.com> | 2019-05-22 18:32:46 +0200 |
|---|---|---|
| committer | Patrick Rudolph <siro@das-labor.org> | 2019-06-17 14:26:42 +0000 |
| commit | 9b7e990d18d5f6212df6ea967428c28b802e1b64 (patch) | |
| tree | 213c9755fa5ff12865fed7a80b5db57c3539d320 /Documentation/soc/intel/apollolake/index.md | |
| parent | 9065657957f5cb8c5a02695af7528263cfdceeaa (diff) | |
doc/mb/upsquared: Add documentation
This patch adds documentation about the UP² mainboard
and the IFWI used by Apollolake platform.
Change-Id: Ic708ddbd2616eee4e5ec2740b3eac18b408bde38
Signed-off-by: Felix Singer <felix.singer@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32935
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'Documentation/soc/intel/apollolake/index.md')
| -rw-r--r-- | Documentation/soc/intel/apollolake/index.md | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/soc/intel/apollolake/index.md b/Documentation/soc/intel/apollolake/index.md new file mode 100644 index 0000000000..d4a5ee51ae --- /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 + + |