net: sh_eth: add support for SH7752

SH7752 has two fast ethernet controllers and two gigabit ethernet
controllers. It is similar to SH7757.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

drivers/net/sh_eth.c

@@ -417,7 +417,7 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd)
 		printf(SHETHER_NAME ": 100Base/");
 #if defined(SH_ETH_TYPE_GETHER)
 		sh_eth_write(eth, GECMR_100B, GECMR);
-#elif defined(CONFIG_CPU_SH7757)
+#elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752)
 		sh_eth_write(eth, 1, RTRATE);
 #elif defined(CONFIG_CPU_SH7724)
 		val = ECMR_RTM;
@@ -426,7 +426,7 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd)
 		printf(SHETHER_NAME ": 10Base/");
 #if defined(SH_ETH_TYPE_GETHER)
 		sh_eth_write(eth, GECMR_10B, GECMR);
-#elif defined(CONFIG_CPU_SH7757)
+#elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752)
 		sh_eth_write(eth, 0, RTRATE);
 #endif
 	}

drivers/net/sh_eth.h

@@ -288,7 +288,7 @@ static const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = {
 #if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
 #define SH_ETH_TYPE_GETHER
 #define BASE_IO_ADDR	0xfee00000
-#elif defined(CONFIG_CPU_SH7757)
+#elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752)
 #if defined(CONFIG_SH_ETHER_USE_GETHER)
 #define SH_ETH_TYPE_GETHER
 #define BASE_IO_ADDR	0xfee00000
@@ -346,7 +346,7 @@ enum DMAC_T_BIT {
 
 /* GECMR */
 enum GECMR_BIT {
-#if defined(CONFIG_CPU_SH7757)
+#if defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752)
 	GECMR_1000B = 0x20, GECMR_100B = 0x01, GECMR_10B = 0x00,
 #else
 	GECMR_1000B = 0x01, GECMR_100B = 0x04, GECMR_10B = 0x00,