socfpga: initialize designware ethernet

Enable initialization fo designware ethernet controller. With this
patch, ethernet works in my configuration, provided I set ethernet
address in the environment.

Signed-off-by: Pavel Machek <pavel@denx.de>

arch/arm/cpu/armv7/socfpga/misc.c

@@ -6,6 +6,8 @@
 
 #include <common.h>
 #include <asm/io.h>
+#include <miiphy.h>
+#include <netdev.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -38,3 +40,18 @@ int misc_init_r(void)
 {
 	return 0;
 }
+
+
+/*
+ * DesignWare Ethernet initialization
+ */
+int cpu_eth_init(bd_t *bis)
+{
+#if !defined(CONFIG_SOCFPGA_VIRTUAL_TARGET) && !defined(CONFIG_SPL_BUILD)
+       /* initialize and register the emac */
+	return designware_initialize(CONFIG_EMAC_BASE,
+				     CONFIG_PHY_INTERFACE_MODE);
+#else
+	return 0;
+#endif
+}

arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h

@@ -16,5 +16,7 @@
 #define SOCFPGA_RSTMGR_ADDRESS 0xffd05000
 #define SOCFPGA_SYSMGR_ADDRESS 0xffd08000
 #define SOCFPGA_SCANMGR_ADDRESS 0xfff02000
+#define SOCFPGA_EMAC0_ADDRESS 0xff700000
+#define SOCFPGA_EMAC1_ADDRESS 0xff702000
 
 #endif /* _SOCFPGA_BASE_ADDRS_H_ */

board/altera/socfpga/socfpga_cyclone5.c

@@ -37,12 +37,3 @@ int board_init(void)
 	icache_enable();
 	return 0;
 }
-
-/*
- * DesignWare Ethernet initialization
- */
-/* We know all the init functions have been run now */
-int board_eth_init(bd_t *bis)
-{
-	return 0;
-}

include/configs/socfpga_cyclone5.h

@@ -208,6 +208,38 @@
 #define CONFIG_ENV_IS_NOWHERE
 
 /*
+ * network support
+ */
+#ifndef CONFIG_SOCFPGA_VIRTUAL_TARGET
+#define CONFIG_DESIGNWARE_ETH          1
+#endif
+
+#ifdef CONFIG_DESIGNWARE_ETH
+#define CONFIG_EMAC0_BASE              SOCFPGA_EMAC0_ADDRESS
+#define CONFIG_EMAC1_BASE              SOCFPGA_EMAC1_ADDRESS
+/* console support for network */
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_PING
+/* designware */
+#define CONFIG_NET_MULTI
+#define CONFIG_DW_ALTDESCRIPTOR
+#define CONFIG_DW_SEARCH_PHY
+#define CONFIG_MII
+#define CONFIG_PHY_GIGE
+#define CONFIG_DW_AUTONEG
+#define CONFIG_AUTONEG_TIMEOUT         (15 * CONFIG_SYS_HZ)
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_MICREL
+#define CONFIG_PHY_MICREL_KSZ9021
+/* EMAC controller and PHY used */
+#define CONFIG_EMAC_BASE               CONFIG_EMAC1_BASE
+#define CONFIG_EPHY_PHY_ADDR           CONFIG_EPHY1_PHY_ADDR
+#define CONFIG_PHY_INTERFACE_MODE      PHY_INTERFACE_MODE_RGMII
+#endif /* CONFIG_DESIGNWARE_ETH */
+
+/*
  * L4 Watchdog
  */
 #define CONFIG_HW_WATCHDOG