Re: [edk2-devel] [edk2-platforms][PATCH 2/5] AmpereSiliconPkg: Define PCDs for SMBUS and BMC

["Leif Lindholm" <quic_llindhol@quicinc.com>]

On Thu, Aug 01, 2024 at 16:36:15 +0700, Nhi Pham wrote:
> This introduces fixed PCDs for SMBUS and BMC as specified to Ampere.
> 
> Signed-off-by: Nhi Pham <nhi@os.amperecomputing.com>
> ---
>  Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec b/Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec
> index 56e8b2fd2f11..5c5015c1bf21 100644
> --- a/Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec
> +++ b/Silicon/Ampere/AmpereSiliconPkg/AmpereSiliconPkg.dec
> @@ -69,6 +69,18 @@ [PcdsFixedAtBuild]
>    gAmpereTokenSpaceGuid.PcdSmbiosTables0MajorVersion|0xFF|UINT8|0x00000005
>    gAmpereTokenSpaceGuid.PcdSmbiosTables0MinorVersion|0xFF|UINT8|0x00000006
>  
> +  #
> +  # SMBUS
> +  #
> +  gAmpereTokenSpaceGuid.PcdSmbusI2cBusNumber|0x00|UINT8|0x00000007
> +  gAmpereTokenSpaceGuid.PcdSmbusI2cBusSpeed|100000|UINT32|0x00000008 # Hz
> +
> +  #
> +  # BMC
> +  #
> +  gAmpereTokenSpaceGuid.PcdBmcSlaveAddr|0x10|UINT8|0x00000009

Current Smbus specification uses controller/target terminology.

/
    Leif

> +  gAmpereTokenSpaceGuid.PcdBmcReadyGpio|0x18|UINT8|0x0000000A
> +
>  [PcdsFixedAtBuild, PcdsDynamic, PcdsDynamicEx]
>    #
>    # Firmware Volume Pcds
> -- 
> 2.25.1
> 


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