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https://gitlab.rtems.org/rtems/rtos/rtems.git
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2f323700b9
The zynq-uart set_attributes implementation was configured to always return false which causes spconsole01 to fail. This restores the disabled implementation which sets the baud rate registers appropriately and allows spconsole01 to pass. This also expands the set_attributes functionality to allow setting of the stop bits, character width, and parity. Updates #4236
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/**
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* @file
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* @ingroup zynq_uart
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* @brief UART support.
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*/
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/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (C) 2013, XXX embedded brains GmbH
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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_ZYNQ_UART_H
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#define LIBBSP_ARM_XILINX_ZYNQ_UART_H
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#include <rtems/termiostypes.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 zynq_uart UART Support
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* @ingroup RTEMSBSPsARMZynq
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* @brief UART Support
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*/
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typedef struct {
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rtems_termios_device_context base;
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volatile struct zynq_uart *regs;
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bool transmitting;
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rtems_vector_number irq;
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} zynq_uart_context;
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extern const rtems_termios_device_handler zynq_uart_handler;
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#define ZYNQ_UART_DEFAULT_BAUD 115200
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void zynq_uart_initialize(rtems_termios_device_context *base);
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int zynq_uart_read_polled(rtems_termios_device_context *base);
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void zynq_uart_write_polled(
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rtems_termios_device_context *base,
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char c
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);
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/**
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* Flush TX FIFO and wait until it is empty. Used in bsp_reset.
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*/
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void zynq_uart_reset_tx_flush(zynq_uart_context *ctx);
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int zynq_cal_baud_rate(
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uint32_t baudrate,
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uint32_t* brgr,
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uint32_t* bauddiv,
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uint32_t modereg
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);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* LIBBSP_ARM_XILINX_ZYNQ_UART_H */
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