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.
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]
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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