[ramdisk] add cvitek pre-built ramdisk

Change-Id: Ic7d2046a23358129eaf621b5558984a64fa7361d

ramdisk/initramfs/glibc_riscv64/usr/include/neteconet/ec.h

@@ -0,0 +1,51 @@
+/* Definitions for use with Linux AF_ECONET sockets.
+   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _NETECONET_EC_H
+#define _NETECONET_EC_H	1
+
+#include <features.h>
+#include <bits/sockaddr.h>
+
+struct ec_addr
+  {
+    unsigned char station;		/* Station number.  */
+    unsigned char net;			/* Network number.  */
+  };
+
+struct sockaddr_ec
+  {
+    __SOCKADDR_COMMON (sec_);
+    unsigned char port;			/* Port number.  */
+    unsigned char cb;			/* Control/flag byte.  */
+    unsigned char type;			/* Type of message.  */
+    struct ec_addr addr;
+    unsigned long cookie;
+  };
+
+#define ECTYPE_PACKET_RECEIVED		0	/* Packet received */
+#define ECTYPE_TRANSMIT_STATUS		0x10	/* Transmit completed */
+
+#define ECTYPE_TRANSMIT_OK		1
+#define ECTYPE_TRANSMIT_NOT_LISTENING	2
+#define ECTYPE_TRANSMIT_NET_ERROR	3
+#define ECTYPE_TRANSMIT_NO_CLOCK	4
+#define ECTYPE_TRANSMIT_LINE_JAMMED	5
+#define ECTYPE_TRANSMIT_NOT_PRESENT	6
+
+#endif