5
Last change
on this file since 88c40ef8 was
f53473f,
checked in by G S Niteesh <gsnb.gn@…>, on 02/09/20 at 19:21:44
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bsp/raspberrypi: Mini UART driver
This patch adds driver for Mini UART present in Raspberry Pi 3
and above, this UART is currently used as the primary UART in
these models.
The Mini UART is similar to ns16550, this driver is built
upon libchip/ns16550.
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Property mode set to
100644
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File size:
852 bytes
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup raspberrypi_usart |
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5 | * |
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6 | * @brief USART support. |
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7 | */ |
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8 | |
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9 | |
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10 | /** |
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11 | * @defgroup raspberrypi_usart USART Support |
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12 | * |
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13 | * @ingroup RTEMSBSPsARMRaspberryPi |
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14 | * |
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15 | * @brief Universal Synchronous/Asynchronous Receiver/Transmitter (USART) Support |
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16 | */ |
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17 | |
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18 | /* |
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19 | * Copyright (c) 2013 Alan Cudmore. |
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20 | * |
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21 | * The license and distribution terms for this file may be |
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22 | * found in the file LICENSE in this distribution or at |
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23 | * http://www.rtems.org/license/LICENSE |
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24 | */ |
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25 | |
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26 | #ifndef LIBBSP_ARM_RASPBERRYPI_USART_H |
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27 | #define LIBBSP_ARM_RASPBERRYPI_USART_H |
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28 | |
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29 | #include <libchip/serial.h> |
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30 | |
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31 | #ifdef __cplusplus |
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32 | extern "C" { |
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33 | #endif /* __cplusplus */ |
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34 | |
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35 | #define PL011_DEFAULT_BAUD 115000 |
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36 | #define MINI_UART_DEFAULT_BAUD 115200 |
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37 | #define BCM2835_PL011_BASE (RPI_PERIPHERAL_BASE + 0x201000) |
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38 | |
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39 | #ifdef __cplusplus |
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40 | } |
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41 | #endif /* __cplusplus */ |
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42 | |
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43 | #endif /* LIBBSP_ARM_RASPBERRYPI_USART_H */ |
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