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From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: "Russell King (Oracle)" <linux@armlinux.org.uk>
Cc: linus.walleij@linaro.org, ulli.kroll@googlemail.com,
	kuba@kernel.org, davem@davemloft.net, andrew@lunn.ch,
	hkallweit1@gmail.com, linux-arm-kernel@lists.infradead.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: net: phy: marvell: network working with generic PHY and not with marvell PHY
Date: Tue, 4 Jan 2022 12:33:15 +0100	[thread overview]
Message-ID: <YdQwexJVfrdzEfZK@Red> (raw)
In-Reply-To: <YdQsJnfqjaFrtC0m@shell.armlinux.org.uk>

Le Tue, Jan 04, 2022 at 11:14:46AM +0000, Russell King (Oracle) a écrit :
> On Tue, Jan 04, 2022 at 11:58:01AM +0100, Corentin Labbe wrote:
> > Hello
> > 
> > I have a gemini SSI 1328 box which has a cortina ethernet MAC with a Marvell 88E1118 as given by:
> > Marvell 88E1118 gpio-0:01: attached PHY driver (mii_bus:phy_addr=gpio-0:01, irq=POLL)
> > So booting with CONFIG_MARVELL_PHY=y lead to a non-working network with link set at 1Gbit
> > Setting 'max-speed = <100>;' (as current state in mainline dtb) lead to a working network.
> > By not working, I mean kernel started with ip=dhcp cannot get an IP.
> 
> How is the PHY connected to the host (which interface mode?) If it's
> RGMII, it could be that the wrong RGMII interface mode is specified in
> DT.
> 

The PHY is set as RGMII in DT (arch/arm/boot/dts/gemini-ssi1328.dts)
The only change to the mainline dtb is removing the max-speed.

Regards

WARNING: multiple messages have this Message-ID (diff)
From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: "Russell King (Oracle)" <linux@armlinux.org.uk>
Cc: linus.walleij@linaro.org, ulli.kroll@googlemail.com,
	kuba@kernel.org, davem@davemloft.net, andrew@lunn.ch,
	hkallweit1@gmail.com, linux-arm-kernel@lists.infradead.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: net: phy: marvell: network working with generic PHY and not with marvell PHY
Date: Tue, 4 Jan 2022 12:33:15 +0100	[thread overview]
Message-ID: <YdQwexJVfrdzEfZK@Red> (raw)
In-Reply-To: <YdQsJnfqjaFrtC0m@shell.armlinux.org.uk>

Le Tue, Jan 04, 2022 at 11:14:46AM +0000, Russell King (Oracle) a écrit :
> On Tue, Jan 04, 2022 at 11:58:01AM +0100, Corentin Labbe wrote:
> > Hello
> > 
> > I have a gemini SSI 1328 box which has a cortina ethernet MAC with a Marvell 88E1118 as given by:
> > Marvell 88E1118 gpio-0:01: attached PHY driver (mii_bus:phy_addr=gpio-0:01, irq=POLL)
> > So booting with CONFIG_MARVELL_PHY=y lead to a non-working network with link set at 1Gbit
> > Setting 'max-speed = <100>;' (as current state in mainline dtb) lead to a working network.
> > By not working, I mean kernel started with ip=dhcp cannot get an IP.
> 
> How is the PHY connected to the host (which interface mode?) If it's
> RGMII, it could be that the wrong RGMII interface mode is specified in
> DT.
> 

The PHY is set as RGMII in DT (arch/arm/boot/dts/gemini-ssi1328.dts)
The only change to the mainline dtb is removing the max-speed.

Regards

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  reply	other threads:[~2022-01-04 11:33 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-04 10:58 net: phy: marvell: network working with generic PHY and not with marvell PHY Corentin Labbe
2022-01-04 10:58 ` Corentin Labbe
2022-01-04 11:14 ` Russell King (Oracle)
2022-01-04 11:14   ` Russell King (Oracle)
2022-01-04 11:33   ` Corentin Labbe [this message]
2022-01-04 11:33     ` Corentin Labbe
2022-01-04 11:41     ` Russell King (Oracle)
2022-01-04 11:41       ` Russell King (Oracle)
2022-01-04 12:09       ` Corentin Labbe
2022-01-04 12:09         ` Corentin Labbe
2022-01-04 12:17         ` Russell King (Oracle)
2022-01-04 12:17           ` Russell King (Oracle)
2022-01-04 12:11       ` Russell King (Oracle)
2022-01-04 12:11         ` Russell King (Oracle)
2022-01-04 13:57         ` Corentin Labbe
2022-01-04 13:57           ` Corentin Labbe
2022-01-04 14:11         ` Corentin Labbe
2022-01-04 14:11           ` Corentin Labbe
2022-01-04 14:27           ` Russell King (Oracle)
2022-01-04 14:27             ` Russell King (Oracle)
2022-01-04 14:46             ` Andrew Lunn
2022-01-04 14:46               ` Andrew Lunn
2022-01-04 14:57               ` Russell King (Oracle)
2022-01-04 14:57                 ` Russell King (Oracle)
2022-01-04 15:02                 ` Andrew Lunn
2022-01-04 15:02                   ` Andrew Lunn
2022-01-04 15:04             ` Corentin Labbe
2022-01-04 15:04               ` Corentin Labbe
2022-01-04 14:36           ` Andrew Lunn
2022-01-04 14:36             ` Andrew Lunn

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