On Wed, Apr 07, 2021 at 02:44:39PM +0200, Andrew Lunn wrote:
> > Intel mgbe is flexible to pair with any PHY. Only Aquantia/Marvell
> > multi-gige PHY can do rate adaption right?
>
> The Marvell/Marvell multi-gige PHY can also do rate
> adaptation. Marvell buying Aquantia made naming messy :-(
> I
> Intel mgbe is flexible to pair with any PHY. Only Aquantia/Marvell
> multi-gige PHY can do rate adaption right?
The Marvell/Marvell multi-gige PHY can also do rate
adaptation. Marvell buying Aquantia made naming messy :-(
I should probably use part numbers.
> Hence, we still need to take care o
> > The limitation is not on the MAC, PCS or the PHY. For Intel mgbe, the
> > overclocking of 2.5 times clock rate to support 2.5G is only able to
> > be configured in the BIOS during boot time. Kernel driver has no
> > access to modify the clock rate for 1Gbps/2.5G mode. The way to
> > determined
> The limitation is not on the MAC, PCS or the PHY. For Intel mgbe, the
> overclocking of 2.5 times clock rate to support 2.5G is only able to be
> configured in the BIOS during boot time. Kernel driver has no access to
> modify the clock rate for 1Gbps/2.5G mode. The way to determined the
> curr
> > > You have a MAC and an PCS in the stmmac IP block. That then has some
> > > sort of SERDES interface, running 1000BaseX, SGMII, SGMII
> > > overclocked at 2.5G or 25000BaseX. Connected to the SERDES you have
> > > a PHY which converts to copper, giving you 2500BaseT.
> > >
> > > You said earli
> > You have a MAC and an PCS in the stmmac IP block. That then has
> > some
> > sort of SERDES interface, running 1000BaseX, SGMII, SGMII
> > overclocked
> > at 2.5G or 25000BaseX. Connected to the SERDES you have a PHY
> > which
> > converts to copper, giving you 2500BaseT.
> >
> > You said earl
g; hkallwe...@gmail.com
> Subject: Re: [PATCH net-next v2 0/2] Enable 2.5Gbps speed for
> stmmac
>
> On Mon, Apr 05, 2021 at 07:29:51PM +0800, Michael Sit Wei Hong
> wrote:
> > This patchset enables 2.5Gbps speed mode for stmmac.
> > Link speed mode is detected and config
On Mon, Apr 05, 2021 at 07:29:51PM +0800, Michael Sit Wei Hong wrote:
> This patchset enables 2.5Gbps speed mode for stmmac.
> Link speed mode is detected and configured at serdes power up sequence.
> For 2.5G, we do not use SGMII in-band AN, we check the link speed mode
> in the serdes and disable
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