riscv: t-head: licheepi4a: initial support added

Add support for Sipeed's Lichee Pi 4A board which based on T-HEAD's
TH1520 SoC, only minimal device tree and serial console are enabled,
so it's capable of chain booting from T-HEAD's vendor u-boot.

Reviewed-by: Wei Fu <wefu@redhat.com>
Signed-off-by: Yixun Lan <dlan@gentoo.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/board/thead/th1520_lpi4a/board.c b/board/thead/th1520_lpi4a/board.c
new file mode 100644
index 0000000000..16c3e456b3
--- /dev/null
+++ b/board/thead/th1520_lpi4a/board.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2023, Yixun Lan <dlan@gentoo.org>
+ *
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+
+int board_init(void)
+{
+	enable_caches();
+
+	return 0;
+}