xref: /netbsd-src/sys/arch/arm/ixp12x0/ixp12x0_clkreg.h (revision e77448e07be3174235c13f58032a0d6d0ab7638d)
1 /*	$NetBSD: ixp12x0_clkreg.h,v 1.3 2003/03/06 06:14:16 igy Exp $ */
2 
3 /*
4  * Copyright (c) 2002
5  *	Ichiro FUKUHARA <ichiro@ichiro.org>.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Ichiro FUKUHARA.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA AND CONTRIBUTORS ``AS IS''
23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS
26  * HEAD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
27  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 /*
36  * IXP12X0 TIMER registers
37  *  TIMER_1 v0xf0010300 p0x42000300
38  *  TIMER_2 v0xf0010320 p0x42000320
39  *  TIMER_3 v0xf0010340 p0x42000340
40  *  TIMER_4 v0xf0010360 p0x42000360
41  */
42 
43 #ifndef _IXP12X0_CLKREG_H_
44 #define _IXP12X0_CLKREG_H_
45 
46 #include <arm/ixp12x0/ixp12x0reg.h>
47 
48 #define IXPCLK_PLL_CFG_OFFSET	(0x90000c00U - 0x42000300U)
49 #define IXPCLK_PLL_CFG_SIZE	0x04
50 
51 /* timer load register */
52 #define IXPCLK_LOAD		0x00000000
53 #define IXPCL_ITV		0x00ffffff
54 
55 /* timer value register */
56 #define IXPCLK_VALUE		0x00000004
57 #define IXPCL_CTV		0x00ffffff
58 
59 /* timer control register */
60 #define IXPCLK_CONTROL		0x00000008
61 #define IXPCL_STP		0x0c
62 #define  IXPCL_STP_CORE		0x00
63 #define  IXPCL_STP_DIV16	0x04
64 #define  IXPCL_STP_DIV256	0x08
65 #define IXPCL_MODE		0x40
66 #define  IXPCL_FREERUN		0x00
67 #define  IXPCL_PERIODIC		0x40
68 #define IXPCL_EN		0x80
69 #define  IXPCL_DISABLE		0x00
70 #define  IXPCL_ENABLE		0x80
71 
72 /* timer clear register */
73 #define IXPCLK_CLEAR		0x0000000c
74 #define IXPT_CLEAR		0
75 
76 /*
77  * IXP12X0 real time clock registers
78  * RTC_DIV	0x90002000
79  * RTC_TINT	0x90002400
80  * RTC_TVAL	0x90002800
81  * RTC_CNTR	0x90002c00
82  * RTC_ALM	0x90003000
83  */
84 
85 /* RTC_DIV register */
86 #define RTC_DIV		0x90002000
87 #define RTC_RDIV	0x0000ffff
88 #define RTC_WEN		0x00010000
89 #define  RTC_WDIVISER	0x00000000
90 #define  RTC_WINTONLY	0x00010000
91 #define RTC_IEN		0x00020000
92 #define  RTC_IEN_E	0x00020000
93 #define  RTC_IEN_D	0x00000000
94 #define RTC_IRST	0x00040000
95 #define  RTC_IRST_NOCLR	0x00040000
96 #define  RTC_IRST_CLR	0x00000000
97 #define RTC_IRQS	0x00080000
98 #define  RTC_IRQS_IRQ	0x00080000
99 #define  RTC_IRQS_FIQ	0x00000000
100 
101 
102 /* RTC_TINT register */
103 #define RTC_TINT	0x90002400
104 #define RTC_RTINT	0x0000ffff
105 
106 /* RTC_TVAL register */
107 #define RTC_TVAL	0x90002800
108 #define RTC_TVAL_TVAL	0x0000ffff
109 #define RTC_LD		0x00010000
110 #define  RTC_LD_LOAD	0x00010000
111 #define  RTC_LD_NOLOAD	0x00000000
112 #define RTC_PRE		0x00020000
113 #define  RTC_PRE_SYSCLK	0x00020000
114 #define  RTC_PRE_DIV128	0x00000000
115 
116 /* RTC_CNTR register */
117 #define RTC_CNTR	0x90002c00
118 #define RTC_RCN_COUNT	0xffffffff
119 
120 /* RTC_ALM register */
121 #define RTC_ALM		0x90003000
122 #define RTC_RTC_ALARM	0xffffffff
123 
124 #endif /* _IXP12X0_CLKREG_H_ */
125