forked from Mirrors/opensbi
5c5cbb53a4
reg-offset property is used for offset to apply to the mapbase from the start of the registers in 8250 UART. In Linux kernel, it has been handled in 8250 UART driver. dt-bindings: <linux>/Documentation/devicetree/bindings/serial/8250.yaml Signed-off-by: Zong Li <zong.li@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org>
40 lines
913 B
C
40 lines
913 B
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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*/
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#include <sbi_utils/fdt/fdt_helper.h>
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#include <sbi_utils/serial/fdt_serial.h>
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#include <sbi_utils/serial/uart8250.h>
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static int serial_uart8250_init(void *fdt, int nodeoff,
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const struct fdt_match *match)
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{
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int rc;
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struct platform_uart_data uart;
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rc = fdt_parse_uart8250_node(fdt, nodeoff, &uart);
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if (rc)
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return rc;
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return uart8250_init(uart.addr, uart.freq, uart.baud,
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uart.reg_shift, uart.reg_io_width,
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uart.reg_offset);
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}
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static const struct fdt_match serial_uart8250_match[] = {
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{ .compatible = "ns16550" },
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{ .compatible = "ns16550a" },
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{ .compatible = "snps,dw-apb-uart" },
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{ },
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};
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struct fdt_serial fdt_serial_uart8250 = {
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.match_table = serial_uart8250_match,
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.init = serial_uart8250_init,
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};
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