sh_eth: add R8A77980 support

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>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/Documentation/devicetree/bindings/net/sh_eth.txt b/Documentation/devicetree/bindings/net/sh_eth.txt
index 5172799..82a4cf2 100644 (file)
--- a/Documentation/devicetree/bindings/net/sh_eth.txt
+++ b/Documentation/devicetree/bindings/net/sh_eth.txt
@@ -14,6 +14,7 @@ Required properties:
              "renesas,ether-r8a7791"  if the device is a part of R8A7791 SoC.
              "renesas,ether-r8a7793"  if the device is a part of R8A7793 SoC.
              "renesas,ether-r8a7794"  if the device is a part of R8A7794 SoC.
+             "renesas,gether-r8a77980" if the device is a part of R8A77980 SoC.
              "renesas,ether-r7s72100" if the device is a part of R7S72100 SoC.
              "renesas,rcar-gen1-ether" for a generic R-Car Gen1 device.
              "renesas,rcar-gen2-ether" for a generic R-Car Gen2 or RZ/G1

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 800c196..83148ca 100644 (file)
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -753,6 +753,49 @@ static struct sh_eth_cpu_data rcar_gen2_data = {
        .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,
+       .select_mii     = 1,
+       .magic          = 1,
+       .cexcr          = 1,
+};
 #endif /* CONFIG_OF */
 
 static void sh_eth_set_rate_sh7724(struct net_device *ndev)
@@ -3134,6 +3177,7 @@ static const struct of_device_id sh_eth_match_table[] = {
        { .compatible = "renesas,ether-r8a7791", .data = &rcar_gen2_data },
        { .compatible = "renesas,ether-r8a7793", .data = &rcar_gen2_data },
        { .compatible = "renesas,ether-r8a7794", .data = &rcar_gen2_data },
+       { .compatible = "renesas,gether-r8a77980", .data = &r8a77980_data },
        { .compatible = "renesas,ether-r7s72100", .data = &r7s72100_data },
        { .compatible = "renesas,rcar-gen1-ether", .data = &rcar_gen1_data },
        { .compatible = "renesas,rcar-gen2-ether", .data = &rcar_gen2_data },