1 /*        $NetBSD: i80200reg.h,v 1.4 2002/06/25 19:41:08 thorpej Exp $          */
2 
3 /*
4  * Copyright (c) 2001 Wasabi Systems, Inc.
5  * All rights reserved.
6  *
7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
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 for the NetBSD Project by
20  *        Wasabi Systems, Inc.
21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26  * 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 WASABI SYSTEMS, INC
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 #ifndef _ARM_XSCALE_I80200REG_H_
39 #define _ARM_XSCALE_I80200REG_H_
40 
41 /*
42  * Register definitions for the Intel 80200 XScale processor.
43  */
44 
45 /*
46  * Interrupt Controller Unit            (CP13)
47  *
48  *        CP13.0              Interrupt Control
49  *        CP13.4              Interrupt Source
50  *        CP13.8              Interrupt Steer
51  */
52 
53 #define   INTCTL_FM 0x00000001          /* external FIQ# enable */
54 #define   INTCTL_IM 0x00000002          /* external IRQ# enable */
55 #define   INTCTL_PM 0x00000004          /* PMU interrupt enable */
56 #define   INTCTL_BM 0x00000008          /* BCU interrupt enable */
57 
58 #define   INTSRC_PI 0x10000000          /* PMU interrupt */
59 #define   INTSRC_BM 0x20000000          /* BCU interrupt */
60 #define   INTSRC_II 0x40000000          /* external IRQ# */
61 #define   INTSRC_FI 0x80000000          /* external FIQ# */
62 
63 #define   INTSTR_PS 0x00000001          /* PMU 0 = IRQ, 1 = FIQ */
64 #define   INTSTR_BS 0x00000002          /* BCU 0 = IRQ, 1 = FIQ */
65 
66 /*
67  * Bus Controller Unit                            (CP13)
68  *
69  *        CP13.0.1  BCU Control
70  *        CP13.1.1  BCUMOD
71  *        CP13.4.1  ELOG0 (ECC error log)
72  *        CP13.5.1  ELOG1
73  *        CP13.6.1  ECAR0 (ECC error address)
74  *        CP13.7.1  ECAR1
75  *        CP13.8.1  ECTST (ECC test)
76  */
77 
78 #define   BCUCTL_SR 0x00000001          /* single bit error report enable */
79 #define   BCUCTL_SC 0x00000004          /* single bit correct enable */
80 #define   BCUCTL_EE 0x00000008          /* ECC enable */
81 #define   BCUCTL_E0 0x10000000          /* ELOG0 valid */
82 #define   BCUCTL_E1 0x20000000          /* ELOG1 valid */
83 #define   BCUCTL_EV 0x40000000          /* error overflow */
84 #define   BCUCTL_TP 0x80000000          /* transactions pending */
85 
86 #define   BCUMOD_AF 0x00000001          /* aligned fetch */
87 
88 #define   ELOGx_SYN_MASK      0x000000ff          /* ECC syndrome */
89 #define   ELOGx_ET_MASK       0x60000000          /* error type */
90 #define   ELOGx_ET_SB         0x00000000          /* single-bit */
91 #define   ELOGx_ET_MB         0x20000000          /* multi-bit */
92 #define   ELOGx_ET_BA         0x40000000          /* bus abort */
93 #define   ELOGx_RW  0x80000000          /* direction 0 = read 1 = write */
94 
95 #endif /* _ARM_XSCALE_I80200REG_H_ */
96