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coreboot-kgpe-d16/Documentation/soc/intel/fsp/ppi/ppi.md

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Documentation/soc/intel/fsp/ppi: Document new feature to dispatch external PPI Some new feature added into FSP specification to perform dispatching of external PPI service from boot firmware (coreboot) to FSP. Change-Id: Iaf6b54ccd27e21860539bb2a9966054fdb027108 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31839 Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-03-11 11:31:20 +01:00
# PEIM to PEIM Interface (PPI)
This section is intended to document the purpose of creating PPI service
inside coreboot space to perform some specific operation related to CPU,
chipset using Intel FSP. This feature is added into FSP specification 2.1
where FSP should be able to locate PPI, published by boot firmware and
able to execute the same in FSP's context.
* [What is PPI](https://www.intel.com/content/dam/www/public/us/en/documents/reference-guides/efi-pei-cis-v09.pdf)
Documentation/soc/intel/fsp: Move mp_service_ppi document in corrct directory This patch moves mp service ppi document from icelake/MultiProcesorInit.md to ppi/mp_service_ppi.c. Change-Id: I1bbaeb2644f219b5a1fda0c7c4b594184d53958c Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31840 Reviewed-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-03-11 11:39:58 +01:00
## List of PPI service
### Publish MP Service PPI from boot firmware (coreboot) to initialize CPU
- [MP Service PPI](mp_service_ppi.md)