mirror of
				https://github.com/riscv-software-src/opensbi
				synced 2025-11-04 14:00:31 +00:00 
			
		
		
		
	Add Cadence UART driver Signed-off-by: Jun Liang Tan <junliang.tan@linux.starfivetech.com> Signed-off-by: Wei Liang Lim <weiliang.lim@linux.starfivetech.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org>
		
			
				
	
	
		
			36 lines
		
	
	
		
			835 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			835 B
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * SPDX-License-Identifier: BSD-2-Clause
 | 
						|
 *
 | 
						|
 * Copyright (c) 2022 StarFive Technology Co., Ltd.
 | 
						|
 *
 | 
						|
 * Author: Jun Liang Tan <junliang.tan@linux.starfivetech.com>
 | 
						|
 */
 | 
						|
 | 
						|
#include <sbi_utils/fdt/fdt_helper.h>
 | 
						|
#include <sbi_utils/serial/fdt_serial.h>
 | 
						|
#include <sbi_utils/serial/cadence-uart.h>
 | 
						|
 | 
						|
static int serial_cadence_init(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 cadence_uart_init(uart.addr, uart.freq, uart.baud);
 | 
						|
}
 | 
						|
 | 
						|
static const struct fdt_match serial_cadence_match[] = {
 | 
						|
	{ .compatible = "cdns,uart-r1p12" },
 | 
						|
	{ .compatible = "starfive,jh8100-uart" },
 | 
						|
	{ },
 | 
						|
};
 | 
						|
 | 
						|
struct fdt_serial fdt_serial_cadence = {
 | 
						|
	.match_table = serial_cadence_match,
 | 
						|
	.init = serial_cadence_init
 | 
						|
};
 |