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@xxxxxxxxxxxxxxxxxx>
>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
>> Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
>>
> [...]
>> 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
