net: keystone_net: add Keystone2 K2L SoC support

The Keystone2 Lamar SoC uses the same keystone net driver.
This patch adds opportunity to use it by K2L SoCs.

Acked-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>

arch/arm/include/asm/arch-keystone/hardware-k2l.h

@@ -102,4 +102,7 @@
 #define KS2_NETCP_PDMA_RX_FLOW_NUM	96
 #define KS2_NETCP_PDMA_TX_SND_QUEUE	896
 
+/* NETCP */
+#define KS2_NETCP_BASE			0x26000000
+
 #endif /* __ASM_ARCH_HARDWARE_K2L_H */

drivers/net/keystone_net.c

@@ -315,7 +315,7 @@ int mac_sl_config(u_int16_t port, struct mac_sl_cfg *cfg)
 	writel(cfg->max_rx_len, DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_MAXLEN);
 	writel(cfg->ctl, DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_CTL);
 
-#ifdef CONFIG_K2E_EVM
+#if defined(CONFIG_SOC_K2E) || defined(CONFIG_SOC_K2L)
 	/* Map RX packet flow priority to 0 */
 	writel(0, DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_RX_PRI_MAP);
 #endif
@@ -400,6 +400,9 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis)
 
 	keystone2_net_serdes_setup();
 
+	if (sys_has_mdio)
+		keystone2_mdio_reset(mdio_bus);
+
 	keystone_sgmii_config(phy_dev, eth_priv->slave_port - 1,
 			      eth_priv->sgmii_link_type);