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lib: utils/serial: Add support for Gaisler APBUART

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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>
This commit is contained in:
Daniel Cederman
2021-04-30 08:35:56 +02:00
committed by Anup Patel
parent 632e27bb91
commit 117fb6dcb1
7 changed files with 185 additions and 0 deletions
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3
include/sbi_utils/fdt/fdt_helper.h
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@@ -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);

17
include/sbi_utils/serial/gaisler-uart.h Normal file
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@@ -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