forked from Imagelibrary/rtems
0f42153959
- Refactor the pl011 driver to be extensible. - Add IRQ support and baudrate configuration support for pl011 driver. - Modify related BSP. - Add doxygen comments for arm-pl011. Close #5026 Co-authored-by: Ning Yang <yangn0@qq.com>
74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup versal_uart
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*
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* @brief Xilinx Versal UART support.
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*/
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/*
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* Copyright (C) 2021 Gedare Bloom <gedare@rtems.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LIBBSP_ARM_XILINX_VERSAL_UART_H
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#define LIBBSP_ARM_XILINX_VERSAL_UART_H
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#include <rtems/termiostypes.h>
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#include <dev/serial/arm-pl011.h>
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#include <dev/serial/arm-pl011-regs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/**
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* @defgroup versal_uart Xilinx Versal UART Support
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* @ingroup RTEMSBSPsARMVersal
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* @brief UART Support
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*
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* This driver operates an instance of the Xilinx UART present in the
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* family of Xilinx Versal SoCs.
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*/
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typedef struct {
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arm_pl011_context pl011_ctx;
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volatile bool transmitting;
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} versal_pl011_context;
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extern const rtems_termios_device_handler versal_uart_handler;
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#define VERSAL_UART_DEFAULT_BAUD 115200
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int versal_uart_initialize(rtems_termios_device_context *base);
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void versal_uart_reset_tx_flush(rtems_termios_device_context *base);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* LIBBSP_ARM_XILINX_VERSAL_UART_H */
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