From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Jiawen Wu <jiawenwu@trustnetic.com>
Cc: netdev@vger.kernel.org, andrew@lunn.ch, hkallweit1@gmail.com,
Jose.Abreu@synopsys.com, mengyuanlou@net-swift.com
Subject: Re: [PATCH net-next 4/7] net: pcs: xpcs: adapt Wangxun NICs for SGMII mode
Date: Mon, 24 Jul 2023 11:34:34 +0100 [thread overview]
Message-ID: <ZL5TujWbCDuFUXb2@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230724102341.10401-5-jiawenwu@trustnetic.com>
On Mon, Jul 24, 2023 at 06:23:38PM +0800, Jiawen Wu wrote:
> Wangxun NICs support the connection with SFP to RJ45 module. In this case,
> PCS need to be configured in SGMII mode.
>
> Accroding to chapter 6.11.1 "SGMII Auto-Negitiation" of DesignWare Cores
> Ethernet PCS (version 3.20a) and custom design manual, do the following
> configuration when the interface mode is SGMII.
>
> 1. program VR_MII_AN_CTRL bit(3) [TX_CONFIG] = 1b (PHY side SGMII)
> 2. program VR_MII_AN_CTRL bit(8) [MII_CTRL] = 1b (8-bit MII)
> 3. program VR_MII_DIG_CTRL1 bit(0) [PHY_MODE_CTRL] = 1b
I'm confused by "PHY side SGMII" - what does this mean for the
transmitted 16-bit configuration word? Does it mean that _this_ side
is acting as if it were a PHY?
Thanks.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2023-07-24 10:34 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-24 10:23 [PATCH net-next 0/7] support more link mode for TXGBE Jiawen Wu
2023-07-24 10:23 ` [PATCH net-next 1/7] net: pcs: xpcs: add specific vendor supoprt for Wangxun 10Gb NICs Jiawen Wu
2023-07-25 17:24 ` Andrew Lunn
2023-07-24 10:23 ` [PATCH net-next 2/7] net: pcs: xpcs: support to switch mode for Wangxun NICs Jiawen Wu
2023-07-25 17:32 ` Andrew Lunn
2023-07-26 2:40 ` Jiawen Wu
2023-07-24 10:23 ` [PATCH net-next 3/7] net: pcs: xpcs: add 1000BASE-X AN interrupt support Jiawen Wu
2023-07-24 10:23 ` [PATCH net-next 4/7] net: pcs: xpcs: adapt Wangxun NICs for SGMII mode Jiawen Wu
2023-07-24 10:34 ` Russell King (Oracle) [this message]
2023-07-25 2:05 ` Jiawen Wu
2023-07-25 7:48 ` Russell King (Oracle)
2023-07-25 9:50 ` Jiawen Wu
2023-07-25 9:58 ` Russell King (Oracle)
2023-07-25 10:08 ` Russell King (Oracle)
2023-07-25 10:45 ` Jiawen Wu
2023-07-28 10:11 ` Jiawen Wu
2023-07-28 10:24 ` Andrew Lunn
2023-07-31 1:47 ` Jiawen Wu
2023-07-28 10:33 ` Russell King (Oracle)
2023-07-31 1:58 ` Jiawen Wu
2023-08-03 2:20 ` Jiawen Wu
2023-08-03 11:10 ` Russell King (Oracle)
2023-08-04 5:56 ` Jiawen Wu
2023-07-25 17:37 ` Andrew Lunn
2023-07-26 12:14 ` Simon Horman
2023-07-24 10:23 ` [PATCH net-next 5/7] net: txgbe: support switching mode to 1000BASE-X and SGMII Jiawen Wu
2023-07-24 10:40 ` Russell King (Oracle)
2023-07-25 2:29 ` Jiawen Wu
2023-07-24 10:23 ` [PATCH net-next 6/7] net: txgbe: support copper NIC with external PHY Jiawen Wu
2023-07-24 10:43 ` Russell King (Oracle)
2023-07-25 2:41 ` Jiawen Wu
2023-07-25 8:02 ` Russell King (Oracle)
2023-07-25 10:04 ` Jiawen Wu
2023-07-25 10:38 ` Russell King (Oracle)
2023-07-26 12:15 ` Simon Horman
2023-07-24 10:23 ` [PATCH net-next 7/7] net: ngbe: move mdio access registers to libwx Jiawen Wu
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