RTEMS 6.3
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uart-output-char.h
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1/* SPDX-License-Identifier: BSD-2-Clause */
2
10
11/*
12 * Copyright (c) 2010 embedded brains GmbH & Co. KG
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36#ifndef LIBBSP_SHARED_UART_OUTPUT_CHAR_H
37#define LIBBSP_SHARED_UART_OUTPUT_CHAR_H
38
39#include <stdint.h>
40
41#include <bsp.h>
42
43#define CONSOLE_RBR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x00))
44#define CONSOLE_THR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x00))
45#define CONSOLE_DLL (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x00))
46#define CONSOLE_DLM (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x04))
47#define CONSOLE_IER (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x04))
48#define CONSOLE_IIR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x08))
49#define CONSOLE_FCR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x08))
50#define CONSOLE_LCR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x0C))
51#define CONSOLE_MCR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x10))
52#define CONSOLE_LSR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x14))
53#define CONSOLE_SCR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x1C))
54#define CONSOLE_ACR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x20))
55#define CONSOLE_ICR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x24))
56#define CONSOLE_FDR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x28))
57#define CONSOLE_TER (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x30))
58
59#define CONSOLE_LSR_RDR 0x1
60#define CONSOLE_LSR_THRE 0x20
61#define CONSOLE_LSR_TEMT 0x40
62
63#define BSP_CONSOLE_UART_INIT(dll) \
64 do { \
65 CONSOLE_LCR = 0x00; \
66 CONSOLE_IER = 0x00; \
67 CONSOLE_LCR = 0x80; \
68 CONSOLE_DLL = (dll & 0xFF); \
69 CONSOLE_DLM = (dll >> 8); \
70 CONSOLE_LCR = 0x03; \
71 CONSOLE_FCR = 0x07; \
72 } while (0)
73
74#endif /* LIBBSP_SHARED_UART_OUTPUT_CHAR_H */
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