Files
opensbi/lib/utils/serial/fdt_serial_uart8250.c
Samuel Holland bd76eb4950 lib: utils/serial: Constify FDT pointers in parsing functions
Indicate that none of these functions modify the devicetree by
constifying the parameter type.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
2024-08-24 13:02:46 +05:30

40 lines
923 B
C

/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/serial/fdt_serial.h>
#include <sbi_utils/serial/uart8250.h>
static int serial_uart8250_init(const void *fdt, int nodeoff,
const struct fdt_match *match)
{
int rc;
struct platform_uart_data uart = { 0 };
rc = fdt_parse_uart_node(fdt, nodeoff, &uart);
if (rc)
return rc;
return uart8250_init(uart.addr, uart.freq, uart.baud,
uart.reg_shift, uart.reg_io_width,
uart.reg_offset);
}
static const struct fdt_match serial_uart8250_match[] = {
{ .compatible = "ns16550" },
{ .compatible = "ns16550a" },
{ .compatible = "snps,dw-apb-uart" },
{ },
};
struct fdt_serial fdt_serial_uart8250 = {
.match_table = serial_uart8250_match,
.init = serial_uart8250_init,
};