Reviewed-by: Chasel Chiu <chasel.c...@intel.com>

Thanks,
Chasel


> -----Original Message-----
> From: Desimone, Nathaniel L <nathaniel.l.desim...@intel.com>
> Sent: Tuesday, June 7, 2022 7:17 AM
> To: devel@edk2.groups.io
> Cc: Chiu, Chasel <chasel.c...@intel.com>; Kubacki, Michael
> <michael.kuba...@microsoft.com>; Benjamin Doron
> <benjamin.doro...@gmail.com>; Soller, Jeremy <jer...@system76.com>
> Subject: [edk2-platforms] [PATCH V2 1/4] KabylakeOpenBoardPkg: Indicate
> width of CLK duty cycle in FADT
> 
> Set the location of the DUTY_CYCLE field in the P_CNT register and indicate 
> the
> width of the clock duty cycle to OS power management
> 
> Cc: Chasel Chiu <chasel.c...@intel.com>
> Cc: Michael Kubacki <michael.kuba...@microsoft.com>
> Cc: Benjamin Doron <benjamin.doro...@gmail.com>
> Cc: Jeremy Soller <jer...@system76.com>
> Signed-off-by: Nate DeSimone <nathaniel.l.desim...@intel.com>
> ---
>  .../AspireVn7Dash572G/OpenBoardPkgPcd.dsc             |  9 ++++++++-
>  .../GalagoPro3/OpenBoardPkgPcd.dsc                    |  8 +++++++-
>  .../KabylakeRvp3/OpenBoardPkgPcd.dsc                  | 11 +++++++++--
>  3 files changed, 24 insertions(+), 4 deletions(-)
> 
> diff --git
> a/Platform/Intel/KabylakeOpenBoardPkg/AspireVn7Dash572G/OpenBoardPkgPc
> d.dsc
> b/Platform/Intel/KabylakeOpenBoardPkg/AspireVn7Dash572G/OpenBoardPkgPc
> d.dsc
> index 21ee86403d..02080aa864 100644
> ---
> a/Platform/Intel/KabylakeOpenBoardPkg/AspireVn7Dash572G/OpenBoardPkgPc
> d.dsc
> +++
> b/Platform/Intel/KabylakeOpenBoardPkg/AspireVn7Dash572G/OpenBoardPkg
> +++ Pcd.dsc
> @@ -1,7 +1,7 @@
>  ## @file
>  #  PCD configuration build description file for the Aspire VN7-572G board.
>  #
> -# Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR>
> +# Copyright (c) 2017 - 2022, Intel Corporation. All rights
> +reserved.<BR>
>  #
>  # SPDX-License-Identifier: BSD-2-Clause-Patent  # @@ -346,6 +346,13 @@
>    gSiPkgTokenSpaceGuid.PcdHstiIhvFeature1|0xF2  # FIXME: Boot Guard and
> BIOS Guard not present, measured boot enforcement checking code not present
>    gSiPkgTokenSpaceGuid.PcdHstiIhvFeature2|0x07
> 
> +  #
> +  # Set the location of the DUTY_CYCLE field in the P_CNT register  #
> + and indicate the width of the clock duty cycle to OS power management
> + #
> +  gMinPlatformPkgTokenSpaceGuid.PcdFadtDutyOffset|0x1
> +  gMinPlatformPkgTokenSpaceGuid.PcdFadtDutyWidth|0x3
> +
>    ######################################
>    # Platform Configuration
>    ######################################
> diff --git
> a/Platform/Intel/KabylakeOpenBoardPkg/GalagoPro3/OpenBoardPkgPcd.dsc
> b/Platform/Intel/KabylakeOpenBoardPkg/GalagoPro3/OpenBoardPkgPcd.dsc
> index 44dacdf082..dce4db17c2 100644
> --- a/Platform/Intel/KabylakeOpenBoardPkg/GalagoPro3/OpenBoardPkgPcd.dsc
> +++
> b/Platform/Intel/KabylakeOpenBoardPkg/GalagoPro3/OpenBoardPkgPcd.dsc
> @@ -1,7 +1,7 @@
>  ## @file
>  #  PCD configuration build description file for the GalagoPro3 board.
>  #
> -# Copyright (c) 2019 - 2020, Intel Corporation. All rights reserved.<BR>
> +# Copyright (c) 2019 - 2022, Intel Corporation. All rights
> +reserved.<BR>
>  #
>  # SPDX-License-Identifier: BSD-2-Clause-Patent  # @@ -251,6 +251,12 @@
>    gSiPkgTokenSpaceGuid.PcdHstiIhvFeature1|0xF2
>    gSiPkgTokenSpaceGuid.PcdHstiIhvFeature2|0x07
> 
> +  #
> +  # Set the location of the DUTY_CYCLE field in the P_CNT register  #
> + and indicate the width of the clock duty cycle to OS power management
> + #
> +  gMinPlatformPkgTokenSpaceGuid.PcdFadtDutyOffset|0x1
> +  gMinPlatformPkgTokenSpaceGuid.PcdFadtDutyWidth|0x3
> 
> gSiPkgTokenSpaceGuid.PcdSiPciExpressBaseAddress|gEfiMdePkgTokenSpaceGui
> d.PcdPciExpressBaseAddress
> 
> gSiPkgTokenSpaceGuid.PcdSiPciExpressRegionLength|gMinPlatformPkgTokenSp
> aceGuid.PcdPciExpressRegionLength
> 
> diff --git
> a/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc
> b/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc
> index 725596cbf7..ccf757e202 100644
> ---
> a/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc
> +++
> b/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.d
> +++ sc
> @@ -1,7 +1,7 @@
>  ## @file
>  #  PCD configuration build description file for the KabylakeRvp3 board.
>  #
> -# Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR>
> +# Copyright (c) 2017 - 2022, Intel Corporation. All rights
> +reserved.<BR>
>  #
>  # SPDX-License-Identifier: BSD-2-Clause-Patent  # @@ -78,6 +78,7 @@
>    # so FSP needs more temporary memory for FSP heap + stack size.
>    #
>    gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize|0x26000
> +
>    #
>    # FSP API mode does not need to enlarge the boot loader stack size
>    # since the stacks are separate.
> @@ -290,6 +291,13 @@
>    gSiPkgTokenSpaceGuid.PcdHstiIhvFeature1|0xF2
>    gSiPkgTokenSpaceGuid.PcdHstiIhvFeature2|0x07
> 
> +  #
> +  # Set the location of the DUTY_CYCLE field in the P_CNT register  #
> + and indicate the width of the clock duty cycle to OS power management
> + #
> +  gMinPlatformPkgTokenSpaceGuid.PcdFadtDutyOffset|0x1
> +  gMinPlatformPkgTokenSpaceGuid.PcdFadtDutyWidth|0x3
> +
>    ######################################
>    # Platform Configuration
>    ######################################
> @@ -346,7 +354,6 @@
>    gMinPlatformPkgTokenSpaceGuid.PcdTestPointIbvPlatformFeature|{0x03,
> 0x0F, 0x07, 0x1F, 0x1F, 0x0F, 0x0F, 0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
> 0x00, 0x00}  !endif
> 
> -
>    ######################################
>    # Board Configuration
>    ######################################
> --
> 2.27.0.windows.1



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