intel: Enable EMAC PHY in Intel FPGA platform
This initializes the EMAC PHY in both Stratix 10 and Agilex,
without this, EMAC PHY wouldn't work correctly.
Change-Id: I7e6b9e88fd9ef472884fcf648e6001fcb7549ae6
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
diff --git a/plat/intel/soc/common/include/socfpga_emac.h b/plat/intel/soc/common/include/socfpga_emac.h
new file mode 100644
index 0000000..5b98006
--- /dev/null
+++ b/plat/intel/soc/common/include/socfpga_emac.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2020, Intel Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SOCFPGA_EMAC_H
+#define SOCFPGA_EMAC_H
+
+/* EMAC PHY Mode */
+
+#define PHY_INTERFACE_MODE_GMII_MII 0
+#define PHY_INTERFACE_MODE_RGMII 1
+#define PHY_INTERFACE_MODE_RMII 2
+#define PHY_INTERFACE_MODE_RESET 3
+
+/* Mask Definitions */
+
+#define PHY_INTF_SEL_MSK 0x3
+#define FPGAINTF_EN_3_EMAC_MSK(x) (1 << (x * 8))
+
+void socfpga_emac_init(void);
+
+#endif /* SOCFPGA_EMAC_H */