armv8: cavium: Add ThunderX 88xx board definition

This commit adds basic Cavium ThunderX 88xx board definitions and support.

Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
[trini: Drop CONFIG_SYS_GENERIC_BOARD define]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/cavium/thunderx/thunderx.c b/board/cavium/thunderx/thunderx.c
new file mode 100644
index 0000000..486374e
--- /dev/null
+++ b/board/cavium/thunderx/thunderx.c
@@ -0,0 +1,75 @@
+/**
+ * (C) Copyright 2014, Cavium Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+**/
+
+#include <common.h>
+#include <malloc.h>
+#include <errno.h>
+#include <linux/compiler.h>
+
+#if !CONFIG_IS_ENABLED(OF_CONTROL)
+#include <dm/platdata.h>
+#include <dm/platform_data/serial_pl01x.h>
+
+static const struct pl01x_serial_platdata serial0 = {
+	.base = CONFIG_SYS_SERIAL0,
+	.type = TYPE_PL011,
+	.clock = 0,
+	.skip_init = true,
+};
+
+U_BOOT_DEVICE(thunderx_serial0) = {
+	.name = "serial_pl01x",
+	.platdata = &serial0,
+};
+
+static const struct pl01x_serial_platdata serial1 = {
+	.base = CONFIG_SYS_SERIAL1,
+	.type = TYPE_PL011,
+	.clock = 0,
+	.skip_init = true,
+};
+
+U_BOOT_DEVICE(thunderx_serial1) = {
+	.name = "serial_pl01x",
+	.platdata = &serial1,
+};
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	return 0;
+}
+
+int timer_init(void)
+{
+	return 0;
+}
+
+/*
+ * Board specific reset that is system reset.
+ */
+void reset_cpu(ulong addr)
+{
+}
+
+/*
+ * Board specific ethernet initialization routine.
+ */
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+
+	return rc;
+}
+
+#ifdef CONFIG_PCI
+void pci_init_board(void)
+{
+	printf("DEBUG: PCI Init TODO *****\n");
+}
+#endif