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intel/fsp2_0: Add fsp2.1 shared stack feature support

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FSP 2.1 implementation is adding features on top of fsp2_0.
One such feature is a shared stack implementation that requires
coreboot to allocate stack for fspm and then fsp uses the same
stack as coreboot. This implementation adds support for shared
stack feature.

Change-Id: I6581111dbaddfa403eca14100577ccc8a05c4ec7
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Reviewed-on: https://review.coreboot.org/28358
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Aamir Bohra
2018-08-27 13:36:15 +05:30
committed by Subrata Banik
parent c36e8bf24f
commit 6d569e0c6b
2 changed files with 34 additions and 8 deletions
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9
src/drivers/intel/fsp2_0/Kconfig
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@@ -97,6 +97,15 @@ config FSP_M_XIP
help
Select this value when FSP-M is execute-in-place.
config FSP_USES_CB_STACK
bool
default n
help
Enable support for fsp to use same stack as coreboot.
This option allows fsp to continue using coreboot stack
without reinitializing stack pointer. This feature is
supported Icelake onwards.
config VERIFY_HOBS
bool "Verify the FSP hand-off-blocks"
default n