net: keystone_serdes: add keystone K2E SoC support

Keystone2 Edison SoC uses the same keystone SerDes driver.
This patch adds support for K2E SoCs.
Acked-by: NVitaly Andrianov <vitalya@ti.com>
Acked-by: NMurali Karicheri <m-karicheri2@ti.com>
Signed-off-by: NIvan Khoronzhuk <ivan.khoronzhuk@ti.com>

arch/arm/include/asm/arch-keystone/hardware-k2e.h

@@ -41,6 +41,10 @@
 #define KS2_CIC2_DDR3_ECC_IRQ_NUM	-1	/* not defined in K2E */
 #define KS2_CIC2_DDR3_ECC_CHAN_NUM	-1	/* not defined in K2E */
 
+/* SGMII SerDes */
+#define KS2_SGMII_SERDES2_BASE		0x02324000
+#define KS2_LANES_PER_SGMII_SERDES	4
+
 /* Number of DSP cores */
 #define KS2_NUM_DSPS			1
 

drivers/net/keystone_net.c

@@ -551,6 +551,12 @@ static void keystone2_net_serdes_setup(void)
 			&ks2_serdes_sgmii_156p25mhz,
 			CONFIG_KSNET_SERDES_LANES_PER_SGMII);
 
+#ifdef CONFIG_SOC_K2E
+	ks2_serdes_init(CONFIG_KSNET_SERDES_SGMII2_BASE,
+			&ks2_serdes_sgmii_156p25mhz,
+			CONFIG_KSNET_SERDES_LANES_PER_SGMII);
+#endif
+
 	/* wait till setup */
 	udelay(5000);
 }

include/configs/k2e_evm.h

@@ -34,4 +34,7 @@
 /* NAND Configuration */
 #define CONFIG_SYS_NAND_PAGE_2K
 
+/* SerDes */
+#define CONFIG_TI_KEYSTONE_SERDES
+
 #endif /* __CONFIG_K2E_EVM_H */

include/configs/ks2_evm.h

@@ -138,6 +138,7 @@
 #define CONFIG_KSNET_MAC_ID_BASE		KS2_MAC_ID_BASE_ADDR
 #define CONFIG_KSNET_NETCP_BASE			KS2_NETCP_BASE
 #define CONFIG_KSNET_SERDES_SGMII_BASE		KS2_SGMII_SERDES_BASE
+#define CONFIG_KSNET_SERDES_SGMII2_BASE		KS2_SGMII_SERDES2_BASE
 #define CONFIG_KSNET_SERDES_LANES_PER_SGMII	KS2_LANES_PER_SGMII_SERDES
 
 /* AEMIF */