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From: "Agyeman, Prince" <prince.agyeman@intel.com>
To: devel@edk2.groups.io
Cc: Chasel Chiu <chasel.chiu@intel.com>,
	Nate DeSimone <nathaniel.l.desimone@intel.com>,
	Michael Kubacki <michael.a.kubacki@intel.com>
Subject: [edk2-platforms] [PATCH] WhiskeylakeOpenBoardPkg: Update PCDs to enable stack sharing
Date: Wed, 11 Dec 2019 17:13:14 -0800	[thread overview]
Message-ID: <20191212011314.6860-1-prince.agyeman@intel.com> (raw)

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2409

Updated WhiskeylakeURvp PCDs to enable FSP/BL stack sharing.
This fixes the boot failure seen with the latest Coffee Lake (CFL)
FSP binary (v 7.0.68.41)

Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Michael Kubacki <michael.a.kubacki@intel.com>

Signed-off-by: Prince Agyeman <prince.agyeman@intel.com>
---
 .../WhiskeylakeURvp/OpenBoardPkgPcd.dsc               | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/Platform/Intel/WhiskeylakeOpenBoardPkg/WhiskeylakeURvp/OpenBoardPkgPcd.dsc b/Platform/Intel/WhiskeylakeOpenBoardPkg/WhiskeylakeURvp/OpenBoardPkgPcd.dsc
index 906f7b7ade..b3e1da3970 100644
--- a/Platform/Intel/WhiskeylakeOpenBoardPkg/WhiskeylakeURvp/OpenBoardPkgPcd.dsc
+++ b/Platform/Intel/WhiskeylakeOpenBoardPkg/WhiskeylakeURvp/OpenBoardPkgPcd.dsc
@@ -54,15 +54,14 @@
   gSiPkgTokenSpaceGuid.PcdTsegSize|0x1000000
 
   #
-  # FSP API mode does not share stack with the boot loader,
-  # so FSP needs more temporary memory for FSP heap + stack size.
+  # When sharing stack with boot loader, FSP only needs small temp ram for heap
   #
-  gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize|0x26000
+  gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize|0x10000
+
   #
-  # FSP API mode does not need to enlarge the boot loader stack size
-  # since the stacks are separate.
+  # Boot loader stack size has to be big enough to executing FSP
   #
-  gSiPkgTokenSpaceGuid.PcdPeiTemporaryRamStackSize|0x20000
+  gSiPkgTokenSpaceGuid.PcdPeiTemporaryRamStackSize|0x40000
 
   gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress|0xE0000000
   gMinPlatformPkgTokenSpaceGuid.PcdPciExpressRegionLength|0x10000000
-- 
2.19.1.windows.1


             reply	other threads:[~2019-12-12  1:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-12  1:13 Agyeman, Prince [this message]
2019-12-12 11:38 ` [edk2-platforms] [PATCH] WhiskeylakeOpenBoardPkg: Update PCDs to enable stack sharing Chiu, Chasel
2019-12-12 18:13 ` Kubacki, Michael A
2019-12-12 23:06 ` Nate DeSimone
2019-12-13 16:25   ` Agyeman, Prince
2019-12-13 22:13     ` Nate DeSimone
     [not found]     ` <15E00DF9E44B8812.24131@groups.io>
2019-12-13 22:27       ` [edk2-devel] " Nate DeSimone
2019-12-13 23:39         ` Agyeman, Prince

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