arm: socfpga: Add support for Terasic SoCkit board

Add support for Terasic SoCkit, which is CycloneV based board.
The board can boot either from SD/MMC or QSPI. Ethernet is also
supported.

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/board/terasic/sockit/socfpga.c b/board/terasic/sockit/socfpga.c
new file mode 100644
index 0000000..a1dbc49
--- /dev/null
+++ b/board/terasic/sockit/socfpga.c
@@ -0,0 +1,85 @@
+/*
+ *  Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/reset_manager.h>
+#include <asm/io.h>
+
+#include <usb.h>
+#include <usb/s3c_udc.h>
+#include <usb_mass_storage.h>
+
+#include <micrel.h>
+#include <netdev.h>
+#include <phy.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void s_init(void) {}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+int board_init(void)
+{
+	/* Address of boot parameters for ATAG (if ATAG is used) */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+	return 0;
+}
+
+/*
+ * PHY configuration
+ */
+#ifdef CONFIG_PHY_MICREL_KSZ9021
+int board_phy_config(struct phy_device *phydev)
+{
+	int ret;
+	/*
+	 * These skew settings for the KSZ9021 ethernet phy is required for ethernet
+	 * to work reliably on most flavors of cyclone5 boards.
+	 */
+	ret = ksz9021_phy_extended_write(phydev,
+					 MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW,
+					 0x0);
+	if (ret)
+		return ret;
+
+	ret = ksz9021_phy_extended_write(phydev,
+					 MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW,
+					 0x0);
+	if (ret)
+		return ret;
+
+	ret = ksz9021_phy_extended_write(phydev,
+					 MII_KSZ9021_EXT_RGMII_CLOCK_SKEW,
+					 0xf0f0);
+	if (ret)
+		return ret;
+
+	if (phydev->drv->config)
+		return phydev->drv->config(phydev);
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_USB_GADGET
+struct s3c_plat_otg_data socfpga_otg_data = {
+	.regs_otg	= CONFIG_USB_DWC2_REG_ADDR,
+	.usb_gusbcfg	= 0x1417,
+};
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+	return s3c_udc_probe(&socfpga_otg_data);
+}
+
+int g_dnl_board_usb_cable_connected(void)
+{
+	return 1;
+}
+#endif