Re: Aquantia PHY in OCSGMII mode?

Russell King (Oracle)
2025-08-27T08:47:56Z

On Wed, Aug 27, 2025 at 10:41:11AM +0200, Alexander Wilhelm wrote:
> Set to 100M:
>
> fsl_dpaa_mac: [DEBUG] <memac_link_down> called
> fsl_dpaa_mac: [DEBUG] <memac_link_up> called
> fsl_dpaa_mac: [DEBUG] * mode: 0
> fsl_dpaa_mac: [DEBUG] * phy_mode(interface): 2500base-x
> fsl_dpaa_mac: [DEBUG] * memac_if_mode: 00000002 (IF_MODE_GMII)
> fsl_dpaa_mac: [DEBUG] * speed: 2500
> fsl_dpaa_mac: [DEBUG] * duplex: 1
> fsl_dpaa_mac: [DEBUG] * tx_pause: 1
> fsl_dpaa_mac: [DEBUG] * rx_pause: 1

So the PHY reported that it's using 2500base-X ("OCSGMII") for 100M,
which means 0x31b 3 LSBs are 4. Your hardware engineer appears to be
incorrect in his statement.

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