[edk2-devel] [edk2-platforms][PATCH V3 1/1] Silicon/ARM/NeoverseN1Soc: Update CCIX PNP ID

[Sami Mujawar]

Merged as f0385722832d..df870c7beaee

Thanks.

Regards,

Sami Mujawar

On 08/12/2022 12:51 pm, Sami Mujawar via groups.io wrote:
> HI Sahil,
>
> Thank you for the updated patch.
> These changes look good to me.
>
> Reviewed-by: Sami Mujawar <sami.mujawar at arm.com>
>
> Regards,
>
> Sami Mujawar
>
> On 08/12/2022, 12:07, "sahil" <sahil at arm.com> wrote:
>
>      The PNP ID 0x0A09 used for CCIX host bridge in the current code is
>      not defined in any specification and is therefore incorrect.
>
>      Also, there is no need for a separate ID for CCIX host bridge,
>      for the following reasons:
>
>      1. CCIX doesn't have any host specific requirements/ingredients as such.
>      2. CCIX protocol messages flow over regular PCIe.
>      3. CCIX devices and root ports are natively discovered using the CCIX DVSEC.
>
>      Therefore, reuse PCIe PNP ID for CCIX.
>
>      Signed-off-by: sahil <sahil at arm.com>
>      ---
>
>      Notes:
>          v3:
>          - added more info regarding the change in commit message [Sami Mujawar]
>          v2:
>          - removed licence fix, to be pushed in separate patch [Leif Lindholm]
>
>       Silicon/ARM/NeoverseN1Soc/Library/PciHostBridgeLib/PciHostBridgeLib.c | 4 ++--
>       1 file changed, 2 insertions(+), 2 deletions(-)
>
>      diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PciHostBridgeLib/PciHostBridgeLib.c b/Silicon/ARM/NeoverseN1Soc/Library/PciHostBridgeLib/PciHostBridgeLib.c
>      index 1f38f654a8ce..6a154d771126 100644
>      --- a/Silicon/ARM/NeoverseN1Soc/Library/PciHostBridgeLib/PciHostBridgeLib.c
>      +++ b/Silicon/ARM/NeoverseN1Soc/Library/PciHostBridgeLib/PciHostBridgeLib.c
>      @@ -65,8 +65,8 @@ STATIC EFI_PCI_ROOT_BRIDGE_DEVICE_PATH mEfiPciRootBridgeDevicePath[ROOT_COMPLEX_
>                 (UINT8)(sizeof (ACPI_HID_DEVICE_PATH) >> 8)
>
>               }
>
>             },
>
>      -      EISA_PNP_ID(0x0A09), // CCIX
>
>      -      0
>
>      +      EISA_PNP_ID(0x0A08), // CCIX
>
>      +      1
>
>           },
>
>           {
>
>             END_DEVICE_PATH_TYPE,
>
>      --
>      2.25.1
>
>
>
>
> 
>
>


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