RTEMS: bsps/lm32/shared/console/uart.h Source File

| RTEMS 5.4-rc2

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uart.h
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1
7/*
8 * This file contains definitions for LatticeMico32 UART
9 *
10 * COPYRIGHT (c) 1989-1999.
11 * On-Line Applications Research Corporation (OAR).
12 *
13 * The license and distribution terms for this file may be
14 * found in the file LICENSE in this distribution or at
15 * http://www.rtems.org/license/LICENSE.
16 *
17 * Jukka Pietarinen <jukka.pietarinen@mrf.fi>, 2008,
18 * Micro-Research Finland Oy
19 */
20
28#ifndef _BSPUART_H
29#define _BSPUART_H
30
31void BSP_uart_init(int baud);
32
33/* Receive buffer register / transmit holding register */
34
35#define LM32_UART_RBR (0x0000)
36
37/* Interrupt enable register */
38
39#define LM32_UART_IER (0x0004)
40#define LM32_UART_IER_RBRI (0x0001)
41#define LM32_UART_IER_THRI (0x0002)
42#define LM32_UART_IER_RLSI (0x0004)
43#define LM32_UART_IER_MSI (0x0008)
44
45/* Interrupt identification register */
46
47#define LM32_UART_IIR (0x0008)
48#define LM32_UART_IIR_STAT (0x0001)
49#define LM32_UART_IIR_ID0 (0x0002)
50#define LM32_UART_IIR_ID1 (0x0004)
51
52/* Line control register */
53
54#define LM32_UART_LCR (0x000C)
55#define LM32_UART_LCR_WLS0 (0x0001)
56#define LM32_UART_LCR_WLS1 (0x0002)
57#define LM32_UART_LCR_STB (0x0004)
58#define LM32_UART_LCR_PEN (0x0008)
59#define LM32_UART_LCR_EPS (0x0010)
60#define LM32_UART_LCR_SP (0x0020)
61#define LM32_UART_LCR_SB (0x0040)
62#define LM32_UART_LCR_5BIT (0)
63#define LM32_UART_LCR_6BIT (LM32_UART_LCR_WLS0)
64#define LM32_UART_LCR_7BIT (LM32_UART_LCR_WLS1)
65#define LM32_UART_LCR_8BIT (LM32_UART_LCR_WLS1 | LM32_UART_LCR_WLS0)
66
67/* Modem control register */
68
69#define LM32_UART_MCR (0x0010)
70#define LM32_UART_MCR_DTR (0x0001)
71#define LM32_UART_MCR_RTS (0x0002)
72
73/* Line status register */
74
75#define LM32_UART_LSR (0x0014)
76#define LM32_UART_LSR_DR (0x0001)
77#define LM32_UART_LSR_OE (0x0002)
78#define LM32_UART_LSR_PE (0x0004)
79#define LM32_UART_LSR_FE (0x0008)
80#define LM32_UART_LSR_BI (0x0010)
81#define LM32_UART_LSR_THRE (0x0020)
82#define LM32_UART_LSR_TEMT (0x0040)
83
84/* Modem status register */
85
86#define LM32_UART_MSR (0x0018)
87#define LM32_UART_MSR_DCTS (0x0001)
88#define LM32_UART_MSR_DDSR (0x0002)
89#define LM32_UART_MSR_TERI (0x0004)
90#define LM32_UART_MSR_DDCD (0x0008)
91#define LM32_UART_MSR_CTS (0x0010)
92#define LM32_UART_MSR_DSR (0x0020)
93#define LM32_UART_MSR_RI (0x0040)
94#define LM32_UART_MSR_DCD (0x0000)
95
96/* Baud-rate divisor register */
97
98#define LM32_UART_DIV (0x001C)
99
100#endif /* _BSPUART_H */
101