On Thu, 1 Jun 2017 07:29:05 +0000
Ard Biesheuvel <[email protected]> wrote:

> Which PEI binary are you referring to? There is the PEI core, and a
> collection of PEI modules (PEIMs) that do various platform related
> things, including PCIe link training (and believe me, looking at that
> code will make your eyes bleed), which is the only closed source PEIM
> IIRC.
> 
> Whether you can get access to the FDK is a question I cannot answer,
> but I don't think there are any people left at AMD working on the
> Seattle project.
> 
> Which tree are you building from?

I'm using the OpenPlatformPkg tree from
https://git.linaro.org/uefi/OpenPlatformPkg.git . 

The binary I was interested in is PreUefiFirmware.bin in
https://git.linaro.org/uefi/OpenPlatformPkg.git/tree/Platforms/AMD/Styx/Overdrive1000Board/Binary
 .

I should probably explain what problem I'm trying to solve. I'm working
on NVDIMM support, and have been starting to plan work around
making changes to the EDK2 to support the modules, starting with
reading the DDR4 SPD data.

However, the i2c access protocols etc. that I'd need appear to be
implemented in the PreUefiFirmware.bin binary and are currently not
exposed to UEFI drivers via the protocols from the PI spec.

-- 
Rebecca
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