net: sh-eth: Add support R8A7794

R8A7794 has the same sh-ether IP core as other SH/rmobile.
This patch adds support of R8A7794.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>

drivers/net/sh_eth.c

@@ -413,7 +413,8 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd)
 
 #if defined(CONFIG_CPU_SH7734) || defined(CONFIG_R8A7740)
 	sh_eth_write(eth, CONFIG_SH_ETHER_SH7734_MII, RMII_MII);
-#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
+	defined(CONFIG_R8A7794)
 	sh_eth_write(eth, sh_eth_read(eth, RMIIMR) | 0x1, RMIIMR);
 #endif
 	/* Configure phy */
@@ -439,7 +440,7 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd)
 #elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752)
 		sh_eth_write(eth, 1, RTRATE);
 #elif defined(CONFIG_CPU_SH7724) || defined(CONFIG_R8A7790) || \
-		defined(CONFIG_R8A7791)
+		defined(CONFIG_R8A7791) || defined(CONFIG_R8A7794)
 		val = ECMR_RTM;
 #endif
 	} else if (phy->speed == 10) {

drivers/net/sh_eth.h

@@ -358,7 +358,8 @@ static const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = {
 #elif defined(CONFIG_R8A7740)
 #define SH_ETH_TYPE_GETHER
 #define BASE_IO_ADDR	0xE9A00000
-#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
+	defined(CONFIG_R8A7794)
 #define SH_ETH_TYPE_ETHER
 #define BASE_IO_ADDR	0xEE700200
 #elif defined(CONFIG_R7S72100)
@@ -569,7 +570,8 @@ enum FELIC_MODE_BIT {
 	ECMR_PRM = 0x00000001,
 #ifdef CONFIG_CPU_SH7724
 	ECMR_RTM = 0x00000010,
-#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
+	defined(CONFIG_R8A7794)
 	ECMR_RTM = 0x00000004,
 #endif