1 | /* |
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2 | * SPDX-License-Identifier: BSD-2-Clause |
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3 | * |
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4 | * Copyright (C) 2013, 2017 embedded brains GmbH & Co. KG |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * |
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15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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16 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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19 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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24 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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25 | * POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |
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28 | #include <rtems/console.h> |
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29 | #include <rtems/termiostypes.h> |
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30 | |
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31 | #include <bsp.h> |
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32 | #include <bsp/bootcard.h> |
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33 | #include <bsp/irq.h> |
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34 | #include <dev/serial/zynq-uart.h> |
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35 | #include <dev/serial/zynq-uart-regs.h> |
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36 | |
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37 | static zynq_uart_context zynq_uart_instances[2] = { |
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38 | { |
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39 | .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER( "Zynq UART 0" ), |
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40 | .regs = (volatile zynq_uart *) ZYNQ_UART_0_BASE_ADDR, |
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41 | .irq = ZYNQ_IRQ_UART_0 |
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42 | }, { |
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43 | .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER( "Zynq UART 1" ), |
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44 | .regs = (volatile zynq_uart *) ZYNQ_UART_1_BASE_ADDR, |
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45 | .irq = ZYNQ_IRQ_UART_1 |
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46 | } |
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47 | }; |
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48 | |
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49 | rtems_status_code console_initialize( |
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50 | rtems_device_major_number major, |
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51 | rtems_device_minor_number minor, |
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52 | void *arg |
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53 | ) |
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54 | { |
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55 | size_t i; |
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56 | |
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57 | rtems_termios_initialize(); |
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58 | |
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59 | for (i = 0; i < RTEMS_ARRAY_SIZE(zynq_uart_instances); ++i) { |
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60 | zynq_uart_context *ctx = &zynq_uart_instances[i]; |
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61 | char uart[] = "/dev/ttySX"; |
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62 | |
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63 | uart[sizeof(uart) - 2] = (char) ('0' + i); |
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64 | rtems_termios_device_install( |
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65 | &uart[0], |
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66 | &zynq_uart_handler, |
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67 | NULL, |
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68 | &ctx->base |
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69 | ); |
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70 | |
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71 | if (ctx->regs == (zynq_uart *) ZYNQ_UART_KERNEL_IO_BASE_ADDR) { |
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72 | link(&uart[0], CONSOLE_DEVICE_NAME); |
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73 | } |
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74 | } |
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75 | |
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76 | return RTEMS_SUCCESSFUL; |
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77 | } |
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