net: sh_eth: Add eth support for R8A7779 device

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 10 insertions, 5 deletions

diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig
index 46df3a04030c..24c2305d7948 100644
--- a/drivers/net/ethernet/renesas/Kconfig
+++ b/drivers/net/ethernet/renesas/Kconfig
@@ -8,7 +8,7 @@ config SH_ETH
                 (CPU_SUBTYPE_SH7710 || CPU_SUBTYPE_SH7712 || \
                  CPU_SUBTYPE_SH7763 || CPU_SUBTYPE_SH7619 || \
                  CPU_SUBTYPE_SH7724 || CPU_SUBTYPE_SH7734 || \
-                 CPU_SUBTYPE_SH7757 || ARCH_R8A7740)
+                 CPU_SUBTYPE_SH7757 || ARCH_R8A7740 || ARCH_R8A7779)
         select CRC32
         select NET_CORE
         select MII
@@ -18,4 +18,4 @@ config SH_ETH
           Renesas SuperH Ethernet device driver.
           This driver supporting CPUs are:
                 - SH7619, SH7710, SH7712, SH7724, SH7734, SH7763, SH7757,
-                  and R8A7740.
+                  R8A7740 and R8A7779.
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index af0b867a6cf6..bad8f2eec9b4 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -78,7 +78,7 @@ static void sh_eth_select_mii(struct net_device *ndev)
 #endif
 
 /* There is CPU dependent code */
-#if defined(CONFIG_CPU_SUBTYPE_SH7724)
+#if defined(CONFIG_CPU_SUBTYPE_SH7724) || defined(CONFIG_ARCH_R8A7779)
 #define SH_ETH_RESET_DEFAULT    1
 static void sh_eth_set_duplex(struct net_device *ndev)
 {
@@ -93,13 +93,18 @@ static void sh_eth_set_duplex(struct net_device *ndev)
 static void sh_eth_set_rate(struct net_device *ndev)
 {
         struct sh_eth_private *mdp = netdev_priv(ndev);
+        unsigned int bits = ECMR_RTM;
+
+#if defined(CONFIG_ARCH_R8A7779)
+        bits |= ECMR_ELB;
+#endif
 
         switch (mdp->speed) {
         case 10: /* 10BASE */
-                sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_RTM, ECMR);
+                sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~bits, ECMR);
                 break;
         case 100:/* 100BASE */
-                sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_RTM, ECMR);
+                sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | bits, ECMR);
                 break;
         default:
                 break;