1 /*
2  * PCI Register definitions for the MIPS System Controller.
3  *
4  * Carsten Langgaard, carstenl@mips.com
5  * Copyright (C) 2002 MIPS Technologies, Inc.  All rights reserved.
6  *
7  * This file is subject to the terms and conditions of the GNU General Public
8  * License.  See the file "COPYING" in the main directory of this archive
9  * for more details.
10  */
11 #ifndef __ASM_MIPS_BOARDS_MSC01_PCI_H
12 #define __ASM_MIPS_BOARDS_MSC01_PCI_H
13 
14 /*
15  * Register offset addresses
16  */
17 
18 #define MSC01_PCI_ID_OFS		0x0000
19 #define MSC01_PCI_SC2PMBASL_OFS		0x0208
20 #define MSC01_PCI_SC2PMMSKL_OFS		0x0218
21 #define MSC01_PCI_SC2PMMAPL_OFS		0x0228
22 #define MSC01_PCI_SC2PIOBASL_OFS	0x0248
23 #define MSC01_PCI_SC2PIOMSKL_OFS	0x0258
24 #define MSC01_PCI_SC2PIOMAPL_OFS	0x0268
25 #define MSC01_PCI_P2SCMSKL_OFS		0x0308
26 #define MSC01_PCI_P2SCMAPL_OFS		0x0318
27 #define MSC01_PCI_INTCFG_OFS		0x0600
28 #define MSC01_PCI_INTSTAT_OFS		0x0608
29 #define MSC01_PCI_CFGADDR_OFS		0x0610
30 #define MSC01_PCI_CFGDATA_OFS		0x0618
31 #define MSC01_PCI_IACK_OFS		0x0620
32 #define MSC01_PCI_HEAD0_OFS		0x2000  /* DevID, VendorID */
33 #define MSC01_PCI_HEAD1_OFS		0x2008  /* Status, Command */
34 #define MSC01_PCI_HEAD2_OFS		0x2010  /* Class code, RevID */
35 #define MSC01_PCI_HEAD3_OFS		0x2018  /* bist, header, latency */
36 #define MSC01_PCI_HEAD4_OFS		0x2020  /* BAR 0 */
37 #define MSC01_PCI_HEAD5_OFS		0x2028  /* BAR 1 */
38 #define MSC01_PCI_HEAD6_OFS		0x2030  /* BAR 2 */
39 #define MSC01_PCI_HEAD7_OFS		0x2038  /* BAR 3 */
40 #define MSC01_PCI_HEAD8_OFS		0x2040  /* BAR 4 */
41 #define MSC01_PCI_HEAD9_OFS		0x2048  /* BAR 5 */
42 #define MSC01_PCI_HEAD10_OFS		0x2050  /* CardBus CIS Ptr */
43 #define MSC01_PCI_HEAD11_OFS		0x2058  /* SubSystem ID, -VendorID */
44 #define MSC01_PCI_HEAD12_OFS		0x2060  /* ROM BAR */
45 #define MSC01_PCI_HEAD13_OFS		0x2068  /* Capabilities ptr */
46 #define MSC01_PCI_HEAD14_OFS		0x2070  /* reserved */
47 #define MSC01_PCI_HEAD15_OFS		0x2078  /* Maxl, ming, intpin, int */
48 #define MSC01_PCI_BAR0_OFS		0x2220
49 #define MSC01_PCI_CFG_OFS		0x2380
50 #define MSC01_PCI_SWAP_OFS		0x2388
51 
52 
53 /*****************************************************************************
54  * Register encodings
55  ****************************************************************************/
56 
57 #define MSC01_PCI_ID_ID_SHF		16
58 #define MSC01_PCI_ID_ID_MSK		0x00ff0000
59 #define MSC01_PCI_ID_ID_HOSTBRIDGE	82
60 #define MSC01_PCI_ID_MAR_SHF		8
61 #define MSC01_PCI_ID_MAR_MSK		0x0000ff00
62 #define MSC01_PCI_ID_MIR_SHF		0
63 #define MSC01_PCI_ID_MIR_MSK		0x000000ff
64 
65 #define MSC01_PCI_SC2PMBASL_BAS_SHF	24
66 #define MSC01_PCI_SC2PMBASL_BAS_MSK	0xff000000
67 
68 #define MSC01_PCI_SC2PMMSKL_MSK_SHF	24
69 #define MSC01_PCI_SC2PMMSKL_MSK_MSK	0xff000000
70 
71 #define MSC01_PCI_SC2PMMAPL_MAP_SHF	24
72 #define MSC01_PCI_SC2PMMAPL_MAP_MSK	0xff000000
73 
74 #define MSC01_PCI_SC2PIOBASL_BAS_SHF	24
75 #define MSC01_PCI_SC2PIOBASL_BAS_MSK	0xff000000
76 
77 #define MSC01_PCI_SC2PIOMSKL_MSK_SHF	24
78 #define MSC01_PCI_SC2PIOMSKL_MSK_MSK	0xff000000
79 
80 #define MSC01_PCI_SC2PIOMAPL_MAP_SHF	24
81 #define MSC01_PCI_SC2PIOMAPL_MAP_MSK	0xff000000
82 
83 #define MSC01_PCI_P2SCMSKL_MSK_SHF	24
84 #define MSC01_PCI_P2SCMSKL_MSK_MSK	0xff000000
85 
86 #define MSC01_PCI_P2SCMAPL_MAP_SHF	24
87 #define MSC01_PCI_P2SCMAPL_MAP_MSK	0xff000000
88 
89 #define MSC01_PCI_INTCFG_RST_SHF        10
90 #define MSC01_PCI_INTCFG_RST_MSK        0x00000400
91 #define MSC01_PCI_INTCFG_RST_BIT        0x00000400
92 #define MSC01_PCI_INTCFG_MWE_SHF        9
93 #define MSC01_PCI_INTCFG_MWE_MSK        0x00000200
94 #define MSC01_PCI_INTCFG_MWE_BIT        0x00000200
95 #define MSC01_PCI_INTCFG_DTO_SHF        8
96 #define MSC01_PCI_INTCFG_DTO_MSK        0x00000100
97 #define MSC01_PCI_INTCFG_DTO_BIT        0x00000100
98 #define MSC01_PCI_INTCFG_MA_SHF         7
99 #define MSC01_PCI_INTCFG_MA_MSK         0x00000080
100 #define MSC01_PCI_INTCFG_MA_BIT         0x00000080
101 #define MSC01_PCI_INTCFG_TA_SHF         6
102 #define MSC01_PCI_INTCFG_TA_MSK         0x00000040
103 #define MSC01_PCI_INTCFG_TA_BIT         0x00000040
104 #define MSC01_PCI_INTCFG_RTY_SHF        5
105 #define MSC01_PCI_INTCFG_RTY_MSK        0x00000020
106 #define MSC01_PCI_INTCFG_RTY_BIT        0x00000020
107 #define MSC01_PCI_INTCFG_MWP_SHF        4
108 #define MSC01_PCI_INTCFG_MWP_MSK        0x00000010
109 #define MSC01_PCI_INTCFG_MWP_BIT        0x00000010
110 #define MSC01_PCI_INTCFG_MRP_SHF        3
111 #define MSC01_PCI_INTCFG_MRP_MSK        0x00000008
112 #define MSC01_PCI_INTCFG_MRP_BIT        0x00000008
113 #define MSC01_PCI_INTCFG_SWP_SHF        2
114 #define MSC01_PCI_INTCFG_SWP_MSK        0x00000004
115 #define MSC01_PCI_INTCFG_SWP_BIT        0x00000004
116 #define MSC01_PCI_INTCFG_SRP_SHF        1
117 #define MSC01_PCI_INTCFG_SRP_MSK        0x00000002
118 #define MSC01_PCI_INTCFG_SRP_BIT        0x00000002
119 #define MSC01_PCI_INTCFG_SE_SHF         0
120 #define MSC01_PCI_INTCFG_SE_MSK         0x00000001
121 #define MSC01_PCI_INTCFG_SE_BIT         0x00000001
122 
123 #define MSC01_PCI_INTSTAT_RST_SHF       10
124 #define MSC01_PCI_INTSTAT_RST_MSK       0x00000400
125 #define MSC01_PCI_INTSTAT_RST_BIT       0x00000400
126 #define MSC01_PCI_INTSTAT_MWE_SHF       9
127 #define MSC01_PCI_INTSTAT_MWE_MSK       0x00000200
128 #define MSC01_PCI_INTSTAT_MWE_BIT       0x00000200
129 #define MSC01_PCI_INTSTAT_DTO_SHF       8
130 #define MSC01_PCI_INTSTAT_DTO_MSK       0x00000100
131 #define MSC01_PCI_INTSTAT_DTO_BIT       0x00000100
132 #define MSC01_PCI_INTSTAT_MA_SHF        7
133 #define MSC01_PCI_INTSTAT_MA_MSK        0x00000080
134 #define MSC01_PCI_INTSTAT_MA_BIT        0x00000080
135 #define MSC01_PCI_INTSTAT_TA_SHF        6
136 #define MSC01_PCI_INTSTAT_TA_MSK        0x00000040
137 #define MSC01_PCI_INTSTAT_TA_BIT        0x00000040
138 #define MSC01_PCI_INTSTAT_RTY_SHF       5
139 #define MSC01_PCI_INTSTAT_RTY_MSK       0x00000020
140 #define MSC01_PCI_INTSTAT_RTY_BIT       0x00000020
141 #define MSC01_PCI_INTSTAT_MWP_SHF       4
142 #define MSC01_PCI_INTSTAT_MWP_MSK       0x00000010
143 #define MSC01_PCI_INTSTAT_MWP_BIT       0x00000010
144 #define MSC01_PCI_INTSTAT_MRP_SHF       3
145 #define MSC01_PCI_INTSTAT_MRP_MSK       0x00000008
146 #define MSC01_PCI_INTSTAT_MRP_BIT       0x00000008
147 #define MSC01_PCI_INTSTAT_SWP_SHF       2
148 #define MSC01_PCI_INTSTAT_SWP_MSK       0x00000004
149 #define MSC01_PCI_INTSTAT_SWP_BIT       0x00000004
150 #define MSC01_PCI_INTSTAT_SRP_SHF       1
151 #define MSC01_PCI_INTSTAT_SRP_MSK       0x00000002
152 #define MSC01_PCI_INTSTAT_SRP_BIT       0x00000002
153 #define MSC01_PCI_INTSTAT_SE_SHF        0
154 #define MSC01_PCI_INTSTAT_SE_MSK        0x00000001
155 #define MSC01_PCI_INTSTAT_SE_BIT        0x00000001
156 
157 #define MSC01_PCI_CFGADDR_BNUM_SHF	16
158 #define MSC01_PCI_CFGADDR_BNUM_MSK	0x00ff0000
159 #define MSC01_PCI_CFGADDR_DNUM_SHF	11
160 #define MSC01_PCI_CFGADDR_DNUM_MSK	0x0000f800
161 #define MSC01_PCI_CFGADDR_FNUM_SHF	8
162 #define MSC01_PCI_CFGADDR_FNUM_MSK	0x00000700
163 #define MSC01_PCI_CFGADDR_RNUM_SHF	2
164 #define MSC01_PCI_CFGADDR_RNUM_MSK	0x000000fc
165 
166 #define MSC01_PCI_CFGDATA_DATA_SHF	0
167 #define MSC01_PCI_CFGDATA_DATA_MSK	0xffffffff
168 
169 /* The defines below are ONLY valid for a MEM bar! */
170 #define MSC01_PCI_BAR0_SIZE_SHF	        4
171 #define MSC01_PCI_BAR0_SIZE_MSK	        0xfffffff0
172 #define MSC01_PCI_BAR0_P_SHF	        3
173 #define MSC01_PCI_BAR0_P_MSK	        0x00000008
174 #define MSC01_PCI_BAR0_P_BIT	        MSC01_PCI_BAR0_P_MSK
175 #define MSC01_PCI_BAR0_D_SHF	        1
176 #define MSC01_PCI_BAR0_D_MSK	        0x00000006
177 #define MSC01_PCI_BAR0_T_SHF	        0
178 #define MSC01_PCI_BAR0_T_MSK	        0x00000001
179 #define MSC01_PCI_BAR0_T_BIT	        MSC01_PCI_BAR0_T_MSK
180 
181 
182 #define MSC01_PCI_CFG_RA_SHF	        17
183 #define MSC01_PCI_CFG_RA_MSK	        0x00020000
184 #define MSC01_PCI_CFG_RA_BIT	        MSC01_PCI_CFG_RA_MSK
185 #define MSC01_PCI_CFG_G_SHF	        16
186 #define MSC01_PCI_CFG_G_MSK	        0x00010000
187 #define MSC01_PCI_CFG_G_BIT	        MSC01_PCI_CFG_G_MSK
188 #define MSC01_PCI_CFG_EN_SHF	        15
189 #define MSC01_PCI_CFG_EN_MSK	        0x00008000
190 #define MSC01_PCI_CFG_EN_BIT	        MSC01_PCI_CFG_EN_MSK
191 #define MSC01_PCI_CFG_MAXRTRY_SHF       0
192 #define MSC01_PCI_CFG_MAXRTRY_MSK       0x000000ff
193 
194 #define MSC01_PCI_SWAP_IO_SHF		18
195 #define MSC01_PCI_SWAP_IO_MSK		0x000c0000
196 #define MSC01_PCI_SWAP_MEM_SHF		16
197 #define MSC01_PCI_SWAP_MEM_MSK		0x00030000
198 #define MSC01_PCI_SWAP_BAR0_SHF		0
199 #define MSC01_PCI_SWAP_BAR0_MSK		0x00000003
200 #define MSC01_PCI_SWAP_NOSWAP		0
201 #define MSC01_PCI_SWAP_BYTESWAP		1
202 
203 /*
204  * MIPS System controller PCI register base.
205  *
206  * FIXME - are these macros specific to Malta and co or to the MSC?  If the
207  * latter, they should be moved elsewhere.
208  */
209 #define MSC01_PCI_REG_BASE	(KSEG1ADDR(0x1bd00000))
210 
211 #define MSC_WRITE(reg, data)	do { *(volatile u32 *)(reg) = data; } while (0)
212 #define MSC_READ(reg, data)	do { data = *(volatile u32 *)(reg); } while (0)
213 
214 /*
215  * Registers absolute addresses
216  */
217 
218 #define MSC01_PCI_ID            (MSC01_PCI_REG_BASE + MSC01_PCI_ID_OFS)
219 #define MSC01_PCI_SC2PMBASL     (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PMBASL_OFS)
220 #define MSC01_PCI_SC2PMMSKL     (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PMMSKL_OFS)
221 #define MSC01_PCI_SC2PMMAPL     (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PMMAPL_OFS)
222 #define MSC01_PCI_SC2PIOBASL    (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PIOBASL_OFS)
223 #define MSC01_PCI_SC2PIOMSKL    (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PIOMSKL_OFS)
224 #define MSC01_PCI_SC2PIOMAPL    (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PIOMAPL_OFS)
225 #define MSC01_PCI_P2SCMSKL      (MSC01_PCI_REG_BASE + MSC01_PCI_P2SCMSKL_OFS)
226 #define MSC01_PCI_P2SCMAPL      (MSC01_PCI_REG_BASE + MSC01_PCI_P2SCMAPL_OFS)
227 #define MSC01_PCI_INTCFG        (MSC01_PCI_REG_BASE + MSC01_PCI_INTCFG_OFS)
228 #define MSC01_PCI_INTSTAT       (MSC01_PCI_REG_BASE + MSC01_PCI_INTSTAT_OFS)
229 #define MSC01_PCI_CFGADDR       (MSC01_PCI_REG_BASE + MSC01_PCI_CFGADDR_OFS)
230 #define MSC01_PCI_CFGDATA       (MSC01_PCI_REG_BASE + MSC01_PCI_CFGDATA_OFS)
231 #define MSC01_PCI_IACK		(MSC01_PCI_REG_BASE + MSC01_PCI_IACK_OFS)
232 #define MSC01_PCI_HEAD0		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD0_OFS)
233 #define MSC01_PCI_HEAD1		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD1_OFS)
234 #define MSC01_PCI_HEAD2		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD2_OFS)
235 #define MSC01_PCI_HEAD3		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD3_OFS)
236 #define MSC01_PCI_HEAD4		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD4_OFS)
237 #define MSC01_PCI_HEAD5		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD5_OFS)
238 #define MSC01_PCI_HEAD6		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD6_OFS)
239 #define MSC01_PCI_HEAD7		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD7_OFS)
240 #define MSC01_PCI_HEAD8		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD8_OFS)
241 #define MSC01_PCI_HEAD9		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD9_OFS)
242 #define MSC01_PCI_HEAD10	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD10_OFS)
243 #define MSC01_PCI_HEAD11	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
244 #define MSC01_PCI_HEAD12	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
245 #define MSC01_PCI_HEAD13	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
246 #define MSC01_PCI_HEAD14	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
247 #define MSC01_PCI_HEAD15        (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
248 #define MSC01_PCI_BAR0		(MSC01_PCI_REG_BASE + MSC01_PCI_BAR0_OFS)
249 #define MSC01_PCI_CFG		(MSC01_PCI_REG_BASE + MSC01_PCI_CFG_OFS)
250 #define MSC01_PCI_SWAP		(MSC01_PCI_REG_BASE + MSC01_PCI_SWAP_OFS)
251 
252 #endif /* __ASM_MIPS_BOARDS_MSC01_PCI_H */
253