York Yang (york.yang@intel.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7335
-gerrit
commit 9022a71a2d033b667bc955389b3318119608ddd1 Author: York Yang york.yang@intel.com Date: Tue Nov 4 17:20:46 2014 -0700
Intel Baytrail Gold2 and earlier FSP Staying Supported
UPD_DATA_REGION structure has been updated to support Baytrail Gold3 FSP, but incompatible with previous FSP. Adjust the offset of those changed fields if FSP version is early than Gold3.
Change-Id: Ia77431d31bed424ae25f297df893e45157a288a0 Signed-off-by: York Yang york.yang@intel.com --- src/soc/intel/fsp_baytrail/fsp/chipset_fsp_util.c | 11 +++++++++++ src/soc/intel/fsp_baytrail/fsp/chipset_fsp_util.h | 4 ++++ 2 files changed, 15 insertions(+)
diff --git a/src/soc/intel/fsp_baytrail/fsp/chipset_fsp_util.c b/src/soc/intel/fsp_baytrail/fsp/chipset_fsp_util.c index c4b781a..297ccf9 100755 --- a/src/soc/intel/fsp_baytrail/fsp/chipset_fsp_util.c +++ b/src/soc/intel/fsp_baytrail/fsp/chipset_fsp_util.c @@ -48,6 +48,17 @@ static void GetUpdDefaultFromFsp (FSP_INFO_HEADER *FspInfo, UPD_DATA_REGION *U VpdDataRgnPtr = (VPD_DATA_REGION *)(UINT32)(FspInfo->CfgRegionOffset + FspInfo->ImageBase); UpdDataRgnPtr = (UPD_DATA_REGION *)(UINT32)(VpdDataRgnPtr->PcdUpdRegionOffset + FspInfo->ImageBase); memcpy((void*)UpdData, (void*)UpdDataRgnPtr, sizeof(UPD_DATA_REGION)); + + /* adjust struct UPD_DATA_REGION content for Gold2 and earlier FSP */ + /* Gold3 FSP changes the UPD_DATA_REGION fields, adjust the struct */ + /* content in order to backward compatible with older FSP */ + /* */ + /* ISPEnable and PcdRegionTerminator are following PcdGttSize in */ + /* Gold2 and older FSP */ + if (FspInfo->ImageRevision < FSP_GOLD3_REV_ID) { + *(&(UpdData->PcdGttSize)+sizeof(UINT8)) = UpdData->ISPEnable; + *(&(UpdData->PcdGttSize)+sizeof(UINT8)+sizeof(UINT8)) = UpdData->PcdRegionTerminator; + } }
/* default to just enabling HDMI audio */ diff --git a/src/soc/intel/fsp_baytrail/fsp/chipset_fsp_util.h b/src/soc/intel/fsp_baytrail/fsp/chipset_fsp_util.h old mode 100644 new mode 100755 index 1b60398..3861ac1 --- a/src/soc/intel/fsp_baytrail/fsp/chipset_fsp_util.h +++ b/src/soc/intel/fsp_baytrail/fsp/chipset_fsp_util.h @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2013-2014 Sage Electronic Engineering, LLC. + * Copyright (C) 2014 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -46,4 +47,7 @@ #define FSP_IMAGE_ID_DWORD0 0x56594C56 /* 'VLYV' */ #define FSP_IMAGE_ID_DWORD1 0x30574549 /* 'IEW0' */
+/* Revision of the FSP binary */ +#define FSP_GOLD3_REV_ID 0x00000303 + #endif /* CHIPSET_FSP_UTIL_H */