Re: [net-next v2 5/7] net: ftgmac100: add pin strap configuration for AST2700

[Arnd Bergmann]

On Mon, Nov 18, 2024, at 07:02, Jacky Chou wrote:
> @@ -351,6 +352,10 @@ static void ftgmac100_start_hw(struct ftgmac100 *priv)
>  	if (priv->netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
>  		maccr |= FTGMAC100_MACCR_RM_VLAN;
> 
> +	if (of_device_is_compatible(priv->dev->of_node, "aspeed,ast2700-mac") 
> &&
> +	    phydev && phydev->interface == PHY_INTERFACE_MODE_RMII)
> +		maccr |= FTGMAC100_MACCR_RMII_ENABLE;
> +
>  	/* Hit the HW */

Is there a way to probe the presence of 64-bit addressing from
hardware registers? That would be nicer than triggering it from
the compatible string, given that any future SoC is likely
also 64-bit.

      Arnd