xref: /netbsd/sys/arch/arm/ixp12x0/ixp12x0_pcireg.h (revision 6550d01e)
1 /*	$NetBSD: ixp12x0_pcireg.h,v 1.3 2009/10/21 14:15:50 rmind Exp $ */
2 
3 /*
4  * Copyright (c) 2002, 2003
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  *
16  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA AND CONTRIBUTORS ``AS IS''
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS
20  * HEAD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
21  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26  * THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _IXP12X0_PCIREG_H_
30 #define _IXP12X0_PCIREG_H_
31 
32 #include <arm/ixp12x0/ixp12x0reg.h>
33 
34 /* PCI Configuration Space Registers */
35 
36 /* base address */
37 #define	IXP_PCI_MEM_BAR		0x10
38 # define IXP1200_PCI_MEM_BAR	0x40000000UL
39 # define IXP_PCI_MEM_BAR_MASK	0xffffff80
40 
41 #define	IXP_PCI_IO_BAR		0x14
42 # define IXP1200_PCI_IO_BAR	0x0000f000UL
43 # define IXP_PCI_IO_BAR_MASK	0xffffff80
44 
45 #define	IXP_PCI_DRAM_BAR	0x18
46 # define IXP1200_PCI_DRAM_BAR	0x00000000UL
47 # define IXP_PCI_DRAM_BAR_MASK	0xfffc0000
48 
49 #define PCI_CAP_PTR		0x34
50 #define PCI_INT_LINE		0x3C
51 #define MAILBOX_0		0x50
52 #define MAILBOX_1		0x54
53 #define MAILBOX_2		0x58
54 #define MAILBOX_3		0x5C
55 #define DOORBELL		0x60
56 #define DOORBELL_SETUP		0x64
57 #define ROM_BYTE_WRITE		0x68
58 #define CAP_PTR_EXT		0x70
59 #define PWR_MGMT		0x74
60 
61 /* Reset Registers*/
62 #define	IXPPCI_IXP1200_RESET	0x7C
63 # define RESET_UE0		(1U << 0)
64 # define RESET_UE1		(1U << 1)
65 # define RESET_UE2		(1U << 2)
66 # define RESET_UE3		(1U << 3)
67 # define RESET_UE4		(1U << 4)
68 # define RESET_UE5		(1U << 5)
69 # define RESET_PCIRST		(1U << 14)
70 # define RESET_EXRST		(1U << 15)
71 # define RESET_FBI		(1U << 16)
72 # define RESET_CMDARB		(1U << 17)
73 # define RESET_SDRAM		(1U << 18)
74 # define RESET_SRAM		(1U << 29)
75 # define RESET_PCI		(1U << 30)
76 # define RESET_SACORE		(1U << 31)
77 
78 # define RESET_FULL		(RESET_UE0 | RESET_UE1 | RESET_UE2 | \
79 				 RESET_UE3 | RESET_UE4 | RESET_UE5 | \
80 				 RESET_EXRST | RESET_FBI | \
81 				 RESET_CMDARB | RESET_SDRAM | RESET_SRAM | \
82 				 RESET_PCI | RESET_SACORE)
83 
84 #define CHAN_1_BYTE_COUNT	0x80
85 #define CHAN_1_PCI_ADDR		0x84
86 #define CHAN_1_DRAM_ADDR	0x88
87 #define CHAN_1_DESC_PTR		0x8C
88 #define CHAN_1_CONTROL		0x90
89 #define DMA_INF_MODE		0x9C
90 #define CHAN_2_BYTE_COUNT	0xA0
91 #define CHAN_2_PCI_ADDR		0xA4
92 #define CHAN_2_DRAM_ADDR	0xA8
93 #define CHAN_2_DESC_PTR		0xAC
94 #define CHAN_2_CONTROL		0xB0
95 
96 #define	CSR_BASE_ADDR_MASK	0x0F8
97 #define CSR_BASE_ADDR_OFF	0xFC
98 # define CSR_BASE_ADDR_MASK_1M	0x000c0000UL
99 
100 #define	DRAM_BASE_ADDR_MASK	0x100
101 #define DRAM_BASE_ADDR_OFF	0x104
102 # define DRAM_BASE_ADDR_MASK_256MB	0x0ffc0000UL
103 
104 #define ROM_BASE_ADDR_MASK	0x108
105 #define DRAM_TIMING		0x10C
106 #define DRAM_ADDR_SIZE_0	0x110
107 #define DRAM_ADDR_SIZE_1	0x114
108 #define DRAM_ADDR_SIZE_2	0x118
109 #define DRAM_ADDR_SIZE_3	0x11C
110 #define I2O_IFH			0x120
111 #define I2O_IPT			0x124
112 #define I2O_OPH			0x128
113 #define I2O_OFT			0x12C
114 #define I2O_IFC			0x130
115 #define I2O_OPC			0x134
116 #define I2O_IPC			0x138
117 #define SA_CONTROL		0x13C
118 # define SA_CONTROL_PNR		(1 << 9)
119 # define SA_CONTROL_COMPLETE	(1 << 0)
120 #define PCI_ADDR_EXT		0x140
121 # define PCI_ADDR_EXT_PIOADD(x)	((x) & 0xffff0000)
122 # define PCI_ADDR_EXT_PMSA(x)	(((x) & 0xe0000000) >> 16)
123 #define PREFETCH_RANGE		0x144
124 #define PCI_ABITOR_STATUS	0x148
125 #define DBELL_PCI_MASK		0x150
126 #define DBELL_SA_MASK		0x154
127 
128 /*
129  * Interrupt index assignment
130  *
131  *     FIQ/IRQ bitmap in "PCI Registers Accessible Through StrongARM Core"
132  *
133  *        3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
134  * bit    1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
135  *       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-------------+-+-+-+-+---+-+-+
136  *       |D|R|R|D|D|P|I|S|R|S|D|D| |P|D|D|D|             |T|T|T|T|   |S| |
137  *       |P|T|M|P|T|W|I|D|S|B|M|M|R|I|M|M|F|             |4|3|2|1|   |I| |
138  *       |E|A|A|E|E|R|P|P|E| |A|A|E|L|A|A|H|     RES     | | | | |RES| | |
139  *       | | | |D| |M| |A|R| |2|1|S| |2|1| |             | | | | |   | | |
140  *       | | | | | | | |R|R| |N|N| | | | | |             | | | | |   | | |
141  *       | | | | | | | | | | |B|B| | | | | |             | | | | |   | | |
142  *       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-------------+-+-+-+-+---+-+-+
143  *        3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1
144  * index  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5               7 6 5 4     1 0
145  *
146  */
147 
148 /* PCI_IRQ_STATUS */
149 #define	IXPPCI_IRQ_STATUS	(IXP12X0_PCI_VBASE + 0x180)
150 #define	IXPPCI_FIQ_STATUS	(IXP12X0_PCI_VBASE + 0x280)
151 #define	IXPPCI_IRQ_RAW_STATUS	(IXP12X0_PCI_VBASE + 0x184)
152 #define	IXPPCI_FIQ_RAW_STATUS	(IXP12X0_PCI_VBASE + 0x284)
153 #define	IXPPCI_IRQ_ENABLE	(IXP12X0_PCI_VBASE + 0x188)
154 #define	IXPPCI_FIQ_ENABLE	(IXP12X0_PCI_VBASE + 0x288)
155 #define	IXPPCI_IRQ_ENABLE_SET	(IXP12X0_PCI_VBASE + 0x188)
156 #define	IXPPCI_FIQ_ENABLE_SET	(IXP12X0_PCI_VBASE + 0x288)
157 #define	IXPPCI_IRQ_ENABLE_CLEAR	(IXP12X0_PCI_VBASE + 0x18c)
158 #define	IXPPCI_FIQ_ENABLE_CLEAR	(IXP12X0_PCI_VBASE + 0x28c)
159 #define	IXPPCI_IRQ_SOFT		(IXP12X0_PCI_VBASE + 0x190)
160 #define	IXPPCI_FIQ_SOFT		(IXP12X0_PCI_VBASE + 0x290)
161 #define	IXPPCI_IRQST_TIMER	(IXP12X0_PCI_VBASE + 0x010)
162 
163 #define	IXPPCI_INTR_DPE		63
164 #define	IXPPCI_INTR_RTA		62
165 #define	IXPPCI_INTR_RMA		61
166 #define	IXPPCI_INTR_DPED	60
167 #define	IXPPCI_INTR_DTE		59
168 #define	IXPPCI_INTR_PWRM	58
169 #define	IXPPCI_INTR_IIP		57
170 #define	IXPPCI_INTR_SDPAR	56
171 #define	IXPPCI_INTR_RSERR	55
172 #define	IXPPCI_INTR_SB		54
173 #define	IXPPCI_INTR_DMA2NB	53
174 #define	IXPPCI_INTR_DMA1NB	52
175 #define	IXPPCI_INTR_bit19	51
176 #define	IXPPCI_INTR_PIL		50
177 #define	IXPPCI_INTR_DMA2	49
178 #define	IXPPCI_INTR_DMA1	48
179 #define	IXPPCI_INTR_DFH		47
180 #define	IXPPCI_INTR_bit14	46
181 #define	IXPPCI_INTR_bit13	45
182 #define	IXPPCI_INTR_bit12	44
183 #define	IXPPCI_INTR_bit11	43
184 #define	IXPPCI_INTR_bit10	42
185 #define	IXPPCI_INTR_bit9	41
186 #define	IXPPCI_INTR_bit8	40
187 #define	IXPPCI_INTR_T4		39
188 #define	IXPPCI_INTR_T3		38
189 #define	IXPPCI_INTR_T2		37
190 #define	IXPPCI_INTR_T1		36
191 #define	IXPPCI_INTR_bit3	35
192 #define	IXPPCI_INTR_bit2	34
193 #define	IXPPCI_INTR_SI		33
194 #define	IXPPCI_INTR_bit0	32
195 
196 #endif /* _IXP12X0_PCIREG_H_ */
197