source: rtems/bsps/arm/lpc32xx/console/console-config.c @ d7d66d7

5
Last change on this file since d7d66d7 was d7d66d7, checked in by Sebastian Huber <sebastian.huber@…>, on 04/19/18 at 04:28:01

bsps: Move console drivers to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

  • Property mode set to 100644
File size: 5.9 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup arm_lpc32xx
5 *
6 * @brief Console configuration.
7 */
8
9/*
10 * Copyright (c) 2009-2014 embedded brains GmbH.  All rights reserved.
11 *
12 *  embedded brains GmbH
13 *  Dornierstr. 4
14 *  82178 Puchheim
15 *  Germany
16 *  <rtems@embedded-brains.de>
17 *
18 * The license and distribution terms for this file may be
19 * found in the file LICENSE in this distribution or at
20 * http://www.rtems.org/license/LICENSE.
21 */
22
23#include <libchip/ns16550.h>
24
25#include <bsp.h>
26#include <bsp/lpc32xx.h>
27#include <bsp/irq.h>
28#include <bsp/hsu.h>
29#include <bsp/console-termios.h>
30
31static uint8_t lpc32xx_uart_get_register(uintptr_t addr, uint8_t i)
32{
33  volatile uint32_t *reg = (volatile uint32_t *) addr;
34
35  return (uint8_t) reg [i];
36}
37
38static void lpc32xx_uart_set_register(uintptr_t addr, uint8_t i, uint8_t val)
39{
40  volatile uint32_t *reg = (volatile uint32_t *) addr;
41
42  reg [i] = val;
43}
44
45#ifdef LPC32XX_UART_3_BAUD
46  static bool lpc32xx_uart_probe_3(rtems_termios_device_context *context)
47  {
48    LPC32XX_UARTCLK_CTRL |= BSP_BIT32(0);
49    LPC32XX_U3CLK = LPC32XX_CONFIG_U3CLK;
50    LPC32XX_UART_CLKMODE = BSP_FLD32SET(LPC32XX_UART_CLKMODE, 0x2, 4, 5);
51
52    return ns16550_probe(context);
53  }
54#endif
55
56#ifdef LPC32XX_UART_4_BAUD
57  static bool lpc32xx_uart_probe_4(rtems_termios_device_context *context)
58  {
59    volatile lpc32xx_gpio *gpio = &lpc32xx.gpio;
60
61    /*
62     * Set GPO_21/U4_TX/LCDVD[3] to U4_TX.  This works only if LCD module is
63     * disabled.
64     */
65    gpio->p2_mux_set = BSP_BIT32(2);
66
67    LPC32XX_UARTCLK_CTRL |= BSP_BIT32(1);
68    LPC32XX_U4CLK = LPC32XX_CONFIG_U4CLK;
69    LPC32XX_UART_CLKMODE = BSP_FLD32SET(LPC32XX_UART_CLKMODE, 0x2, 6, 7);
70
71    return ns16550_probe(context);
72  }
73#endif
74
75#ifdef LPC32XX_UART_6_BAUD
76  static bool lpc32xx_uart_probe_6(rtems_termios_device_context *context)
77  {
78    /* Bypass the IrDA modulator/demodulator */
79    LPC32XX_UART_CTRL |= BSP_BIT32(5);
80
81    LPC32XX_UARTCLK_CTRL |= BSP_BIT32(3);
82    LPC32XX_U6CLK = LPC32XX_CONFIG_U6CLK;
83    LPC32XX_UART_CLKMODE = BSP_FLD32SET(LPC32XX_UART_CLKMODE, 0x2, 10, 11);
84
85    return ns16550_probe(context);
86  }
87#endif
88
89/* FIXME: Console selection */
90
91#ifdef LPC32XX_UART_5_BAUD
92static ns16550_context lpc32xx_uart_context_5 = {
93  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 5"),
94  .get_reg = lpc32xx_uart_get_register,
95  .set_reg = lpc32xx_uart_set_register,
96  .port = LPC32XX_BASE_UART_5,
97  .irq = LPC32XX_IRQ_UART_5,
98  .clock = 16 * LPC32XX_UART_5_BAUD,
99  .initial_baud = LPC32XX_UART_5_BAUD
100};
101#endif
102
103#ifdef LPC32XX_UART_3_BAUD
104static ns16550_context lpc32xx_uart_context_3 = {
105  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 3"),
106  .get_reg = lpc32xx_uart_get_register,
107  .set_reg = lpc32xx_uart_set_register,
108  .port = LPC32XX_BASE_UART_3,
109  .irq = LPC32XX_IRQ_UART_3,
110  .clock = 16 * LPC32XX_UART_3_BAUD,
111  .initial_baud = LPC32XX_UART_3_BAUD
112};
113#endif
114
115#ifdef LPC32XX_UART_4_BAUD
116static ns16550_context lpc32xx_uart_context_4 = {
117  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 4"),
118  .get_reg = lpc32xx_uart_get_register,
119  .set_reg = lpc32xx_uart_set_register,
120  .port = LPC32XX_BASE_UART_4,
121  .irq = LPC32XX_IRQ_UART_4,
122  .clock = 16 * LPC32XX_UART_4_BAUD,
123  .initial_baud = LPC32XX_UART_4_BAUD
124};
125#endif
126
127#ifdef LPC32XX_UART_6_BAUD
128static ns16550_context lpc32xx_uart_context_6 = {
129  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 6"),
130  .get_reg = lpc32xx_uart_get_register,
131  .set_reg = lpc32xx_uart_set_register,
132  .port = LPC32XX_BASE_UART_6,
133  .irq = LPC32XX_IRQ_UART_6,
134  .clock = 16 * LPC32XX_UART_6_BAUD,
135  .initial_baud = LPC32XX_UART_6_BAUD
136};
137#endif
138
139#ifdef LPC32XX_UART_1_BAUD
140static lpc32xx_hsu_context lpc32xx_uart_context_1 = {
141  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 1"),
142  .hsu = (volatile lpc32xx_hsu *) LPC32XX_BASE_UART_1,
143  .irq = LPC32XX_IRQ_UART_1,
144  .initial_baud = LPC32XX_UART_1_BAUD
145};
146#endif
147
148#ifdef LPC32XX_UART_2_BAUD
149static lpc32xx_hsu_context lpc32xx_uart_context_2 = {
150  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 2"),
151  .hsu = (volatile lpc32xx_hsu *) LPC32XX_BASE_UART_2,
152  .irq = LPC32XX_IRQ_UART_2,
153  .initial_baud = LPC32XX_UART_2_BAUD
154};
155#endif
156
157#ifdef LPC32XX_UART_7_BAUD
158static lpc32xx_hsu_context lpc32xx_uart_context_7 = {
159  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 7"),
160  .hsu = (volatile lpc32xx_hsu *) LPC32XX_BASE_UART_7,
161  .irq = LPC32XX_IRQ_UART_7,
162  .initial_baud = LPC32XX_UART_7_BAUD
163};
164#endif
165
166const console_device console_device_table[] = {
167  #ifdef LPC32XX_UART_5_BAUD
168    {
169      .device_file = "/dev/ttyS5",
170      .probe = console_device_probe_default,
171      .handler = &ns16550_handler_interrupt,
172      .context = &lpc32xx_uart_context_5.base
173    },
174  #endif
175  #ifdef LPC32XX_UART_3_BAUD
176    {
177      .device_file = "/dev/ttyS3",
178      .probe = lpc32xx_uart_probe_3,
179      .handler = &ns16550_handler_interrupt,
180      .context = &lpc32xx_uart_context_3.base
181    },
182  #endif
183  #ifdef LPC32XX_UART_4_BAUD
184    {
185      .device_file = "/dev/ttyS4",
186      .probe = lpc32xx_uart_probe_4,
187      .handler = &ns16550_handler_interrupt,
188      .context = &lpc32xx_uart_context_4.base
189    },
190  #endif
191  #ifdef LPC32XX_UART_6_BAUD
192    {
193      .device_file = "/dev/ttyS6",
194      .probe = lpc32xx_uart_probe_6,
195      .handler = &ns16550_handler_interrupt,
196      .context = &lpc32xx_uart_context_6.base
197    },
198  #endif
199  #ifdef LPC32XX_UART_1_BAUD
200    {
201      .device_file = "/dev/ttyS1",
202      .probe = lpc32xx_hsu_probe,
203      .handler = &lpc32xx_hsu_fns,
204      .context = &lpc32xx_uart_context_1.base
205    },
206  #endif
207  #ifdef LPC32XX_UART_2_BAUD
208    {
209      .device_file = "/dev/ttyS2",
210      .probe = lpc32xx_hsu_probe,
211      .handler = &lpc32xx_hsu_fns,
212      .context = &lpc32xx_uart_context_2.base
213    },
214  #endif
215  #ifdef LPC32XX_UART_7_BAUD
216    {
217      .device_file = "/dev/ttyS7",
218      .probe = lpc32xx_hsu_probe,
219      .handler = &lpc32xx_hsu_fns,
220      .context = &lpc32xx_uart_context_7.base
221    },
222  #endif
223};
224
225const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table);
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