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>
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

View File

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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Cobham Gaisler AB.
*
* Authors:
* Daniel Cederman <cederman@gaisler.com>
*/
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/serial/fdt_serial.h>
#include <sbi_utils/serial/gaisler-uart.h>
static int serial_gaisler_init(void *fdt, int nodeoff,
const struct fdt_match *match)
{
int rc;
struct platform_uart_data uart;
rc = fdt_parse_gaisler_uart_node(fdt, nodeoff, &uart);
if (rc)
return rc;
return gaisler_uart_init(uart.addr, uart.freq, uart.baud);
}
static const struct fdt_match serial_gaisler_match[] = {
{ .compatible = "gaisler,apbuart" },
{},
};
struct fdt_serial fdt_serial_gaisler = {
.match_table = serial_gaisler_match,
.init = serial_gaisler_init
};