1 /* $NetBSD: ciareg.h,v 1.23 2012/02/06 02:14:14 matt Exp $ */
2 
3 /*
4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
5  * All rights reserved.
6  *
7  * Authors: Chris G. Demetriou, Jason R. Thorpe
8  *
9  * Permission to use, copy, modify and distribute this software and
10  * its documentation is hereby granted, provided that both the copyright
11  * notice and this permission notice appear in all copies of the
12  * software, derivative works or modified versions, and any portions
13  * thereof, and that both notices appear in supporting documentation.
14  *
15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18  *
19  * Carnegie Mellon requests users of this software to return to
20  *
21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22  *  School of Computer Science
23  *  Carnegie Mellon University
24  *  Pittsburgh PA 15213-3890
25  *
26  * any improvements or extensions that they make and grant Carnegie the
27  * rights to redistribute these changes.
28  */
29 
30 /*
31  * 21171 Chipset registers and constants.
32  *
33  * Taken from EC-QE18B-TE.
34  */
35 
36 #define   REGVAL(r) (*(volatile int32_t *)ALPHA_PHYS_TO_K0SEG(r))
37 #define   REGVAL64(r)         (*(volatile uint64_t *)ALPHA_PHYS_TO_K0SEG(r))
38 
39 /*
40  * Base addresses
41  */
42 #define   CIA_PCI_SMEM1       0x8000000000UL
43 #define   CIA_PCI_SMEM2       0x8400000000UL
44 #define   CIA_PCI_SMEM3       0x8500000000UL
45 #define   CIA_PCI_SIO1        0x8580000000UL
46 #define   CIA_PCI_SIO2        0x85c0000000UL
47 #define   CIA_PCI_DENSE       0x8600000000UL
48 #define   CIA_PCI_CONF        0x8700000000UL
49 #define   CIA_PCI_IACK        0x8720000000UL
50 #define   CIA_CSRS  0x8740000000UL
51 #define   CIA_PCI_MC_CSRS     0x8750000000UL
52 #define   CIA_PCI_ATRANS      0x8760000000UL
53 #define   CIA_PCI_TBIA        0x8760000100UL
54 #define   CIA_EV56_BWMEM      0x8800000000UL
55 #define   CIA_EV56_BWIO       0x8900000000UL
56 #define   CIA_EV56_BWCONF0 0x8a00000000UL
57 #define   CIA_EV56_BWCONF1 0x8b00000000UL
58 
59 #define   CIA_PCI_W0BASE      0x8760000400UL
60 #define   CIA_PCI_W0MASK      0x8760000440UL
61 #define   CIA_PCI_T0BASE      0x8760000480UL
62 
63 #define   CIA_PCI_W1BASE      0x8760000500UL
64 #define   CIA_PCI_W1MASK      0x8760000540UL
65 #define   CIA_PCI_T1BASE      0x8760000580UL
66 
67 #define   CIA_PCI_W2BASE      0x8760000600UL
68 #define   CIA_PCI_W2MASK      0x8760000640UL
69 #define   CIA_PCI_T2BASE      0x8760000680UL
70 
71 #define   CIA_PCI_W3BASE      0x8760000700UL
72 #define   CIA_PCI_W3MASK      0x8760000740UL
73 #define   CIA_PCI_T3BASE      0x8760000780UL
74 
75 #define   PYXIS_INT_REQ       0x87a0000000UL
76 #define   PYXIS_INT_MASK      0x87a0000040UL
77 #define   PYXIS_GPO 0x87a0000180UL
78 
79 /*
80  * Values for CIA_PCI_TBIA
81  */
82 #define   CIA_PCI_TBIA_NOOP   0         /* no operation */
83 #define   CIA_PCI_TBIA_LOCKED 1         /* invalidate and unlock locked tags */
84 #define   CIA_PCI_TBIA_UNLOCKED         2         /* invalidate unlocked tags */
85 #define   CIA_PCI_TBIA_ALL    3         /* invalidate and unlock all tags */
86 
87 #define   CIA_TLB_NTAGS                 8         /* number of TLB entries */
88 
89 /*
90  * Values for CIA_PCI_WnBASE
91  */
92 #define   CIA_PCI_WnBASE_W_BASE         0xfff00000
93 #define   CIA_PCI_WnBASE_DAC_EN         0x00000008          /* W3BASE only */
94 #define   CIA_PCI_WnBASE_MEMCS_EN       0x00000004          /* W0BASE only */
95 #define   CIA_PCI_WnBASE_SG_EN          0x00000002
96 #define   CIA_PCI_WnBASE_W_EN 0x00000001
97 
98 /*
99  * Values for CIA_PCI_WnMASK
100  */
101 #define   CIA_PCI_WnMASK_W_MASK         0xfff00000
102 #define   CIA_PCI_WnMASK_1M   0x00000000
103 #define   CIA_PCI_WnMASK_2M   0x00100000
104 #define   CIA_PCI_WnMASK_4M   0x00300000
105 #define   CIA_PCI_WnMASK_8M   0x00700000
106 #define   CIA_PCI_WnMASK_16M  0x00f00000
107 #define   CIA_PCI_WnMASK_32M  0x01f00000
108 #define   CIA_PCI_WnMASK_64M  0x03f00000
109 #define   CIA_PCI_WnMASK_128M 0x07f00000
110 #define   CIA_PCI_WnMASK_256M 0x0ff00000
111 #define   CIA_PCI_WnMASK_512M 0x1ff00000
112 #define   CIA_PCI_WnMASK_1G   0x3ff00000
113 #define   CIA_PCI_WnMASK_2G   0x7ff00000
114 #define   CIA_PCI_WnMASK_4G   0xfff00000
115 
116 /*
117  * Values for CIA_PCI_TnBASE
118  */
119 #define   CIA_PCI_TnBASE_MASK 0xfffffff0
120 #define   CIA_PCI_TnBASE_SHIFT          2
121 
122 /*
123  * General CSRs
124  */
125 
126 #define   CIA_CSR_REV         (CIA_CSRS + 0x80)
127 
128 #define             REV_MASK            0x000000ff
129 #define             REV_ALT_MEM                   0x00000100          /* not on Pyxis */
130 
131 #define             REV_PYXIS_ID_MASK   0x0000ff00
132 #define             REV_PYXIS_ID_21174  0x00000100
133 
134 #define   CIA_CSR_CTRL        (CIA_CSRS + 0x100)
135 
136 #define             CTRL_RCI_EN                   0x00000001
137 #define             CTRL_PCI_LOCK_EN    0x00000002
138 #define             CTRL_PCI_LOOP_EN    0x00000004
139 #define             CTRL_FST_BB_EN                0x00000008
140 #define             CTRL_PCI_MST_EN               0x00000010
141 #define             CTRL_PCI_MEM_EN               0x00000020
142 #define             CTRL_PCI_REQ64_EN   0x00000040
143 #define             CTRL_PCI_ACK64_EN   0x00000080
144 #define             CTRL_ADDR_PE_EN               0x00000100
145 #define             CTRL_PERR_EN                  0x00000200
146 #define             CTRL_FILL_ERR_EN    0x00000400
147 #define             CTRL_ECC_CHK_EN               0x00001000
148 #define             CTRL_CACK_EN_PE               0x00002000
149 #define             CTRL_CON_IDLE_BC    0x00004000
150 #define             CTRL_CSR_IOA_BYPASS 0x00008000
151 #define             CTRL_IO_FLUSHREQ_EN 0x00010000
152 #define             CTRL_CPU_CLUSHREQ_EN          0x00020000
153 #define             CTRL_ARB_EV5_EN               0x00040000
154 #define             CTRL_EN_ARB_LINK    0x00080000
155 #define             CTRL_RD_TYPE                  0x00300000
156 #define             CTRL_RL_TYPE                  0x03000000
157 #define             CTRL_RM_TYPE                  0x30000000
158 
159 /* a.k.a. CIA_CSR_PYXIS_CTRL1 */
160 #define   CIA_CSR_CNFG        (CIA_CSRS + 0x140)
161 
162 #define             CNFG_BWEN           0x00000001
163 #define             CNFG_MWEN           0x00000010
164 #define             CNFG_DWEN           0x00000020
165 #define             CNFG_WLEN           0x00000100
166 
167 #define   CIA_CSR_CNFG_BITS   "\20\11WLEN\6DWEN\5MWEN\1BWEN"
168 
169 #define   CIA_CSR_HAE_MEM     (CIA_CSRS + 0x400)
170 
171 #define             HAE_MEM_REG1_START(x)         (((uint32_t)(x) & 0xe0000000UL) << 0)
172 #define             HAE_MEM_REG1_MASK   0x1fffffffUL
173 #define             HAE_MEM_REG2_START(x)         (((uint32_t)(x) & 0x0000f800UL) << 16)
174 #define             HAE_MEM_REG2_MASK   0x07ffffffUL
175 #define             HAE_MEM_REG3_START(x)         (((uint32_t)(x) & 0x000000fcUL) << 24)
176 #define             HAE_MEM_REG3_MASK   0x03ffffffUL
177 
178 #define   CIA_CSR_HAE_IO      (CIA_CSRS + 0x440)
179 
180 #define             HAE_IO_REG1_START(x)          0UL
181 #define             HAE_IO_REG1_MASK    0x01ffffffUL
182 #define             HAE_IO_REG2_START(x)          (((uint32_t)(x) & 0xfe000000UL) << 0)
183 #define             HAE_IO_REG2_MASK    0x01ffffffUL
184 
185 #define   CIA_CSR_CFG         (CIA_CSRS + 0x480)
186 
187 #define             CFG_CFG_MASK                  0x00000003UL
188 
189 #define   CIA_CSR_CIA_ERR     (CIA_CSRS + 0x8200)
190 
191 #define             CIA_ERR_COR_ERR                 0x00000001
192 #define             CIA_ERR_UN_COR_ERR    0x00000002
193 #define             CIA_ERR_CPU_PE                  0x00000004
194 #define             CIA_ERR_MEM_NEM                 0x00000008
195 #define             CIA_ERR_PCI_SERR      0x00000010
196 #define             CIA_ERR_PERR                    0x00000020
197 #define             CIA_ERR_PCI_ADDR_PE   0x00000040
198 #define             CIA_ERR_RCVD_MAS_ABT            0x00000080
199 #define             CIA_ERR_RCVD_TAR_ABT            0x00000100
200 #define             CIA_ERR_PA_PTE_INV    0x00000200
201 #define             CIA_ERR_FROM_WRT_ERR            0x00000400
202 #define             CIA_ERR_IOA_TIMEOUT   0x00000800
203 #define             CIA_ERR_LOST_COR_ERR            0x00010000
204 #define             CIA_ERR_LOST_UN_COR_ERR         0x00020000
205 #define             CIA_ERR_LOST_CPU_PE   0x00040000
206 #define             CIA_ERR_LOST_MEM_NEM            0x00080000
207 #define             CIA_ERR_LOST_PERR     0x00200000
208 #define             CIA_ERR_LOST_PCI_ADDR_PE  0x00400000
209 #define             CIA_ERR_LOST_RCVD_MAS_ABT 0x00800000
210 #define             CIA_ERR_LOST_RCVD_TAR_ABT 0x01000000
211 #define             CIA_ERR_LOST_PA_PTE_INV         0x02000000
212 #define             CIA_ERR_LOST_FROM_WRT_ERR 0x04000000
213 #define             CIA_ERR_LOST_IOA_TIMEOUT  0x08000000
214 #define             CIA_ERR_VALID                   0x80000000
215