From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: netdev@vger.kernel.org, devicetree@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>, linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2 3/3] sh_eth: add R8A77980 support
Date: Sun, 30 Dec 2018 23:15:38 +0300 [thread overview]
Message-ID: <4b552371-543c-c475-5eef-e8c0f055a008@cogentembedded.com> (raw)
In-Reply-To: <1a075eb3-0575-5df9-c49d-7642930360c1@cogentembedded.com>
On 12/30/2018 08:24 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@cogentembedded.com>
>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
>> Reviewed-by: Simon Horman <horms+renesas@verge.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.
Surprisingly, testing has shown that the manual is wrong and thus "intelligent"
checksumming is implemented. When I remove that flag, DHCP doesn't work.
>> + .select_mii = 1,
>> + .magic = 1,
>> + .cexcr = 1,
>> +};
>> #endif /* CONFIG_OF */
>>
>> static void sh_eth_set_rate_sh7724(struct net_device *ndev)
> [...]
MBR, Sergei
next prev parent reply other threads:[~2018-12-30 20:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-18 18:28 [PATCH v2 0/3] Add Renesas R8A77980 GEther support Sergei Shtylyov
2018-05-18 18:30 ` [PATCH v2 1/1] sh_eth: add RGMII support Sergei Shtylyov
2018-05-18 19:12 ` Andrew Lunn
2018-05-18 18:31 ` [PATCH v2 2/3] sh_eth: add EDMR.NBST support Sergei Shtylyov
2018-05-18 18:32 ` [PATCH v2 3/3] sh_eth: add R8A77980 support Sergei Shtylyov
2018-12-30 17:24 ` Sergei Shtylyov
2018-12-30 20:15 ` Sergei Shtylyov [this message]
2018-05-20 3:25 ` [PATCH v2 0/3] Add Renesas R8A77980 GEther support David Miller
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