1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSBSPsARMLPC24XX
*
* @brief Console configuration.
*/
/*
* Copyright (c) 2008-2014 embedded brains GmbH. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <rtems/console.h>
#include <libchip/ns16550.h>
#include <bsp.h>
#include <bsp/lpc24xx.h>
#include <bsp/irq.h>
#include <bsp/io.h>
#include <bsp/console-termios.h>
static uint8_t lpc24xx_uart_get_register(uintptr_t addr, uint8_t i)
{
volatile uint32_t *reg = (volatile uint32_t *) addr;
return (uint8_t) reg [i];
}
static void lpc24xx_uart_set_register(uintptr_t addr, uint8_t i, uint8_t val)
{
volatile uint32_t *reg = (volatile uint32_t *) addr;
reg [i] = val;
}
#ifdef LPC24XX_CONFIG_CONSOLE
static ns16550_context lpc24xx_uart_context_0 = {
.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 0"),
.get_reg = lpc24xx_uart_get_register,
.set_reg = lpc24xx_uart_set_register,
.port = UART0_BASE_ADDR,
.irq = LPC24XX_IRQ_UART_0,
.clock = LPC24XX_PCLK,
.initial_baud = LPC24XX_UART_BAUD,
.has_fractional_divider_register = true
};
#endif
#ifdef LPC24XX_CONFIG_UART_1
static ns16550_context lpc24xx_uart_context_1 = {
.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 1"),
.get_reg = lpc24xx_uart_get_register,
.set_reg = lpc24xx_uart_set_register,
.port = UART1_BASE_ADDR,
.irq = LPC24XX_IRQ_UART_1,
.clock = LPC24XX_PCLK,
.initial_baud = LPC24XX_UART_BAUD,
.has_fractional_divider_register = true
};
#endif
#ifdef LPC24XX_CONFIG_UART_2
static ns16550_context lpc24xx_uart_context_2 = {
.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 2"),
.get_reg = lpc24xx_uart_get_register,
.set_reg = lpc24xx_uart_set_register,
.port = UART2_BASE_ADDR,
.irq = LPC24XX_IRQ_UART_2,
.clock = LPC24XX_PCLK,
.initial_baud = LPC24XX_UART_BAUD,
.has_fractional_divider_register = true
};
#endif
#ifdef LPC24XX_CONFIG_UART_3
static ns16550_context lpc24xx_uart_context_3 = {
.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 3"),
.get_reg = lpc24xx_uart_get_register,
.set_reg = lpc24xx_uart_set_register,
.port = UART3_BASE_ADDR,
.irq = LPC24XX_IRQ_UART_3,
.clock = LPC24XX_PCLK,
.initial_baud = LPC24XX_UART_BAUD,
.has_fractional_divider_register = true
};
#endif
const console_device console_device_table[] = {
#ifdef LPC24XX_CONFIG_CONSOLE
{
.device_file = "/dev/ttyS0",
.probe = console_device_probe_default,
.handler = &ns16550_handler_interrupt,
.context = &lpc24xx_uart_context_0.base
},
#endif
#ifdef LPC24XX_CONFIG_UART_1
{
.device_file = "/dev/ttyS1",
.probe = lpc24xx_uart_probe_1,
.handler = &ns16550_handler_interrupt,
.context = &lpc24xx_uart_context_1.base
},
#endif
#ifdef LPC24XX_CONFIG_UART_2
{
.device_file = "/dev/ttyS2",
.probe = lpc24xx_uart_probe_2,
.handler = &ns16550_handler_interrupt,
.context = &lpc24xx_uart_context_2.base
},
#endif
#ifdef LPC24XX_CONFIG_UART_3
{
.device_file = "/dev/ttyS3",
.probe = lpc24xx_uart_probe_3,
.handler = &ns16550_handler_interrupt,
.context = &lpc24xx_uart_context_3.base
},
#endif
};
const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table);
|
