> On May 25, 2015, at 7:44 AM, Sharma Bhupesh <bhupesh.sha...@freescale.com>
> wrote:
>
> Hi Andrew,
>
> Thanks for the reply.
>
> AFAICR the ARMv8 Juno/foundation model platforms support the SMSC-911c
> integrated MAC + PHY controller which is available as a single composite
> module.
>
> However usually on ARM platforms there can be a Ethernet MAC controller +
> some discrete PHY components available from various PHY vendors. In such a
> case a MDC/MDIO bus usually needs to be used/programmed to get the PHY link
> status and/or frame reception/transmission.
>
> The UEFI specification 2.4 has standards dedicated for the SNP, Managed
> network and like, but we cannot find any specific information required to
> maintain PHY states or the MDC/MDIO information.
> Even if the initial PHY configuration is left upto the chip-specific
> init-code, how should we manage the run-time PHY states/errors etc.
>
I assume the NIC would just return an EFI_DEVICE_ERROR.
For extensible error reporting you would need to look at:
https://svn.code.sf.net/p/edk2/code/trunk/edk2/MdePkg/Include/Protocol/DriverDiagnostics2.h
<https://svn.code.sf.net/p/edk2/code/trunk/edk2/MdePkg/Include/Protocol/DriverDiagnostics2.h>
https://svn.code.sf.net/p/edk2/code/trunk/edk2/MdePkg/Include/Protocol/DriverHealth.h
<https://svn.code.sf.net/p/edk2/code/trunk/edk2/MdePkg/Include/Protocol/DriverHealth.h>
Thanks,
Andrew Fish
> Regards,
> Bhupesh
>
> From: Andrew Fish [mailto:af...@apple.com]
> Sent: Wednesday, May 20, 2015 8:36 PM
> To: edk2-devel@lists.sourceforge.net
> Subject: Re: [edk2] Phy support
>
>
> On May 19, 2015, at 10:44 PM, Meenakshi Aggarwal
> <meenakshi.aggar...@freescale.com <mailto:meenakshi.aggar...@freescale.com>>
> wrote:
>
> Hi All,
>
> Kindly help.
>
>
> There is no industry standard for adding PHY support. You will need to look
> at the driver for the MAC. Or it could be part of the chipset init code.
>
> Thanks,
>
> Andrew Fish
>
>
>
> Regards
> Meenakshi
>
> From: Meenakshi Aggarwal [mailto:meenakshi.aggar...@freescale.com
> <mailto:meenakshi.aggar...@freescale.com>]
> Sent: Monday, May 18, 2015 9:32 AM
> To: edk2-devel@lists.sourceforge.net <mailto:edk2-devel@lists.sourceforge.net>
> Subject: [edk2] Phy support
>
> Hi,
>
>
> I need to add support of PHY driver without integrated MAC controller.
>
> Please suggest if I can have anything for reference.
>
> If reference code is not available then please suggest the protocol I need to
> implement.
>
>
>
>
> Thanks & regards
> Meenakshi Aggarwal
>
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