Annotation of sys/arch/arm/sa11x0/sa11x0_comreg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $NetBSD: sa11x0_comreg.h,v 1.2 2006/04/11 15:24:24 peter Exp $ */
2:
3: /*-
4: * Copyright (c) 2001, The NetBSD Foundation, Inc. All rights reserved.
5: *
6: * This code is derived from software contributed to The NetBSD Foundation
7: * by IWAMOTO Toshihiro and Ichiro FUKUHARA.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. All advertising materials mentioning features or use of this software
18: * must display the following acknowledgement:
19: * This product includes software developed by the NetBSD
20: * Foundation, Inc. and its contributors.
21: * 4. Neither the name of The NetBSD Foundation nor the names of its
22: * contributors may be used to endorse or promote products derived
23: * from this software without specific prior written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35: * POSSIBILITY OF SUCH DAMAGE.
36: */
37:
38: /* SA11[01]0 integrated UART interface */
39:
40: /* #define SACOM_BASE 0x80050000 */
41:
42: #define SACOM_FREQ (3686400 / 16)
43: #define SACOMSPEED(b) (SACOM_FREQ / (b) - 1)
44:
45: /* size of I/O space */
46: #define SACOM_NPORTS 9
47:
48: #define SACOM_TXFIFOLEN 8
49: #define SACOM_RXFIFOLEN 12
50:
51: /* UART control register 0 */
52: #define SACOM_CR0 0x00
53: #define CR0_PE 0x01 /* Parity enable */
54: #define CR0_OES 0x02 /* Odd/even parity select */
55: #define CR0_SBS 0x04 /* Stop bit select */
56: #define CR0_DSS 0x08 /* Data size select */
57: #define CR0_SCE 0x10 /* Sample clock enable */
58: #define CR0_RCE 0x20 /* Receive clock edge enable */
59: #define CR0_TCE 0x40 /* Transmit clock edge enable */
60:
61: /* UART control register 1 and 2 - baud rate divisor */
62: #define SACOM_CR1 0x04
63: #define SACOM_CR2 0x08
64:
65: /* UART control register 3 */
66: #define SACOM_CR3 0x0C
67: #define CR3_RXE 0x01 /* Receiver enable */
68: #define CR3_TXE 0x02 /* Transmitter enable */
69: #define CR3_BRK 0x04 /* Break */
70: #define CR3_RIE 0x08 /* Receive FIFO interrupt enable */
71: #define CR3_TIE 0x10 /* Transmit FIFO interrupt enable */
72: #define CR3_LBM 0x20 /* Loopback mode */
73:
74: /* UART data register */
75: #define SACOM_DR 0x14
76: #define DR_PRE 0x100 /* Parity error */
77: #define DR_FRE 0x200 /* Framing error */
78: #define DR_ROR 0x400 /* Receiver overrun */
79:
80: /* UART status register 0 */
81: #define SACOM_SR0 0x1C
82: #define SR0_TFS 0x01 /* Transmit FIFO service request */
83: #define SR0_RFS 0x02 /* Receive FIFO service request */
84: #define SR0_RID 0x04 /* Receiver idle */
85: #define SR0_RBB 0x08 /* Receiver begin of break */
86: #define SR0_REB 0x10 /* Receiver end of break */
87: #define SR0_EIF 0x20 /* Error in FIFO */
88:
89: /* UART status register 1 */
90: #define SACOM_SR1 0x20
91: #define SR1_TBY 0x01 /* Transmitter busy */
92: #define SR1_RNE 0x02 /* Receive FIFO not empty */
93: #define SR1_TNF 0x04 /* Transmit FIFO not full */
94: #define SR1_PRE 0x08 /* Parity error */
95: #define SR1_FRE 0x10 /* Framing error */
96: #define SR1_ROR 0x20 /* Receive FIFO overrun */
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