From 117fb6dcb147913034fe82d0ed038fa7a05f1a1d Mon Sep 17 00:00:00 2001
From: Daniel Cederman <cederman@gaisler.com>
Date: Fri, 30 Apr 2021 08:35:56 +0200
Subject: lib: utils/serial: Add support for Gaisler APBUART

This patch adds support for the UART used by the NOEL-V processor.

Cobham Gaisler's NOEL-V RISC-V processor IP is available under GPL
and commercial license and is described in more detail at
https://www.gaisler.com/noelv.

Signed-off-by: Daniel Cederman <cederman@gaisler.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
 include/sbi_utils/fdt/fdt_helper.h      |  3 +++
 include/sbi_utils/serial/gaisler-uart.h | 17 +++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 include/sbi_utils/serial/gaisler-uart.h

(limited to 'include')

diff --git a/include/sbi_utils/fdt/fdt_helper.h b/include/sbi_utils/fdt/fdt_helper.h
index f5222de..c89f2e6 100644
--- a/include/sbi_utils/fdt/fdt_helper.h
+++ b/include/sbi_utils/fdt/fdt_helper.h
@@ -39,6 +39,9 @@ int fdt_parse_hart_id(void *fdt, int cpu_offset, u32 *hartid);
 
 int fdt_parse_max_hart_id(void *fdt, u32 *max_hartid);
 
+int fdt_parse_gaisler_uart_node(void *fdt, int nodeoffset,
+				struct platform_uart_data *uart);
+
 int fdt_parse_shakti_uart_node(void *fdt, int nodeoffset,
 			       struct platform_uart_data *uart);
 
diff --git a/include/sbi_utils/serial/gaisler-uart.h b/include/sbi_utils/serial/gaisler-uart.h
new file mode 100644
index 0000000..11d1f20
--- /dev/null
+++ b/include/sbi_utils/serial/gaisler-uart.h
@@ -0,0 +1,17 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2021 Cobham Gaisler AB.
+ *
+ * Authors:
+ *   Daniel Cederman <cederman@gaisler.com>
+ */
+
+#ifndef __SERIAL_GAISLER_APBUART_H__
+#define __SERIAL_GAISLER_APBUART_H__
+
+#include <sbi/sbi_types.h>
+
+int gaisler_uart_init(unsigned long base, u32 in_freq, u32 baudrate);
+
+#endif
-- 
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