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Date:   Sun, 30 Dec 2018 20:24:02 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Mark Rutland <mark.rutland@....com>,
        linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH v2 3/3] sh_eth: add R8A77980 support

On 05/18/2018 09:32 PM, Sergei Shtylyov wrote:

> Finally, add support for the DT probing of the R-Car V3H (AKA R8A77980) --
> it's the only R-Car gen3 SoC having the GEther controller -- others have
> only EtherAVB...
> 
> Based on the original (and large) patch by Vladimir Barinov.
> 
> Signed-off-by: Vladimir Barinov <vladimir.barinov@...entembedded.com>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
> Reviewed-by: Simon Horman <horms+renesas@...ge.net.au>
> 
[...]
> Index: net-next/drivers/net/ethernet/renesas/sh_eth.c
> ===================================================================
> --- net-next.orig/drivers/net/ethernet/renesas/sh_eth.c
> +++ net-next/drivers/net/ethernet/renesas/sh_eth.c
> @@ -753,6 +753,49 @@ static struct sh_eth_cpu_data rcar_gen2_
>  	.rmiimode	= 1,
>  	.magic		= 1,
>  };
> +
> +/* R8A77980 */
> +static struct sh_eth_cpu_data r8a77980_data = {
> +	.soft_reset	= sh_eth_soft_reset_gether,
> +
> +	.set_duplex	= sh_eth_set_duplex,
> +	.set_rate	= sh_eth_set_rate_gether,
> +
> +	.register_type  = SH_ETH_REG_GIGABIT,
> +
> +	.edtrr_trns	= EDTRR_TRNS_GETHER,
> +	.ecsr_value	= ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD | ECSR_MPD,
> +	.ecsipr_value	= ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | ECSIPR_ICDIP |
> +			  ECSIPR_MPDIP,
> +	.eesipr_value	= EESIPR_RFCOFIP | EESIPR_ECIIP |
> +			  EESIPR_FTCIP | EESIPR_TDEIP | EESIPR_TFUFIP |
> +			  EESIPR_FRIP | EESIPR_RDEIP | EESIPR_RFOFIP |
> +			  EESIPR_RMAFIP | EESIPR_RRFIP |
> +			  EESIPR_RTLFIP | EESIPR_RTSFIP |
> +			  EESIPR_PREIP | EESIPR_CERFIP,
> +
> +	.tx_check       = EESR_FTC | EESR_CD | EESR_RTO,
> +	.eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT |
> +			  EESR_RFE | EESR_RDE | EESR_RFRMER |
> +			  EESR_TFE | EESR_TDE | EESR_ECI,
> +	.fdr_value	= 0x0000070f,
> +
> +	.apr		= 1,
> +	.mpr		= 1,
> +	.tpauser	= 1,
> +	.bculr		= 1,
> +	.hw_swap	= 1,
> +	.nbst		= 1,
> +	.rpadir		= 1,
> +	.rpadir_value   = 2 << 16,
> +	.no_trimd	= 1,
> +	.no_ade		= 1,
> +	.xdfar_rw	= 1,
> +	.hw_checksum	= 1,

   Ugh, the "intelligent" checksum is not actually supported, just a simplistic
checksum (from byte 14). I'll send a fix.

> +	.select_mii	= 1,
> +	.magic		= 1,
> +	.cexcr		= 1,
> +};
>  #endif /* CONFIG_OF */
>  
>  static void sh_eth_set_rate_sh7724(struct net_device *ndev)
[...]

MBR, Sergei

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