[edk2-devel] [PATCH v2 2/3] MdePkg: Add new PCDs for IPMI SSIF

[Chang, Abner via groups.io]

[AMD Official Use Only - General]

Acked-by: Abner Chang <Abner.Chang at amd.com>

> -----Original Message-----
> From: Tinh Nguyen <tinhnguyen at os.amperecomputing.com>
> Sent: Wednesday, May 3, 2023 1:49 AM
> To: devel at edk2.groups.io
> Cc: patches at amperecomputing.com; michael.d.kinney at intel.com;
> gaoliming at byosoft.com.cn; zhiguang.liu at intel.com; Chang, Abner
> <Abner.Chang at amd.com>; Tinh Nguyen
> <tinhnguyen at os.amperecomputing.com>
> Subject: [PATCH v2 2/3] MdePkg: Add new PCDs for IPMI SSIF
> 
> Caution: This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
> 
> 
> This change adds new PCDs for IPMI SSIF.
> 
> Specification reference:
> https://www.intel.com/content/www/us/en/products/docs/servers/ipmi/i
> pmi-second-gen-interface-spec-v2-rev1-1.html
> 
> Signed-off-by: Tinh Nguyen <tinhnguyen at os.amperecomputing.com>
> ---
>  MdePkg/MdePkg.dec | 26 ++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index
> 7488ccda7a00..b840092382cb 100644
> --- a/MdePkg/MdePkg.dec
> +++ b/MdePkg/MdePkg.dec
> @@ -10,6 +10,7 @@
>  # Copyright (c) 2022, Loongson Technology Corporation Limited. All rights
> reserved.<BR>  # Copyright (c) 2021 - 2022, Arm Limited. All rights
> reserved.<BR>  # Copyright (C) 2023 Advanced Micro Devices, Inc. All rights
> reserved.<BR>
> +# Copyright (c) 2023, Ampere Computing LLC. All rights reserved.<BR>
>  #
>  # SPDX-License-Identifier: BSD-2-Clause-Patent  # @@ -2353,6 +2354,31 @@
> [PcdsFixedAtBuild,PcdsPatchableInModule]
>    # @Prompt IPMI KCS Interface I/O Base Address
> 
> gEfiMdePkgTokenSpaceGuid.PcdIpmiKcsIoBaseAddress|0xca2|UINT16|0x00
> 000031
> 
> +  ## This is SMBus slave address for the SSIF to the BMC.
> +  #  The recommended value defined by IPMI specification is 0x20 (section
> 12.12).
> +  # @Prompt IPMI SSIF SMBus slave address
> +
> +
> gEfiMdePkgTokenSpaceGuid.PcdIpmiSsifSmbusSlaveAddr|0x20|UINT8|0x00
> 0000
> + 32
> +
> +  ## This is the maximum number of IPMI SSIF request retries.
> +  #  The IPMI specification specified min value is 5 (section 12.17).
> +  # @Prompt Number of IPMI SSIF request retries.
> +
> +
> gEfiMdePkgTokenSpaceGuid.PcdIpmiSsifRequestRetryCount|0x05|UINT8|0
> x000
> + 00033
> +
> +  ## This is the required interval for each IPMI request retry.
> +  #  The IPMI specification specified a time range of 60ms to 250ms (section
> 12.17).
> +  #  The default setting is min.
> +  # @Prompt Time between IPMI SSIF request retries.
> +
> +
> gEfiMdePkgTokenSpaceGuid.PcdIpmiSsifRequestRetryIntervalMicrosecond|
> 60
> + 000|UINT32|0x00000034
> +
> +  ## This value is the maximum retries of an IPMI SSIF response  #
> + @Prompt Number of IPMI SSIF response retries.
> +
> +
> gEfiMdePkgTokenSpaceGuid.PcdIpmiSsifResponseRetryCount|250|UINT8|0
> x000
> + 00035
> +
> +  ## This is the required interval for each IPMI response retry.
> +  #  The IPMI specification specified min value is 60ms (section 12.17).
> +  # @Prompt Time-out for a response, internal
> +
> +
> gEfiMdePkgTokenSpaceGuid.PcdIpmiSsifResponseRetryIntervalMicrosecond
> |6
> + 0000|UINT32|0x00000036
> +
>  [PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
>    ## This value is used to set the base address of PCI express hierarchy.
>    # @Prompt PCI Express Base Address.
> --
> 2.40.0


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