1 /* $NetBSD: tsreg.h,v 1.11 2022/05/30 09:56:02 andvar Exp $ */
2 
3 /*-
4  * Copyright (c) 1999 by Ross Harvey.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *        This product includes software developed by Ross Harvey.
17  * 4. The name of Ross Harvey may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY ROSS HARVEY ``AS IS'' AND ANY EXPRESS
21  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP0SE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL ROSS HARVEY BE LIABLE FOR ANY
24  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  */
33 
34 /*
35  * 21272 Core Logic registers and constants.
36  */
37 
38 #define   tsreg() { Generate ctags(1) key. }
39 
40 /*
41  * Superpage pointer from physical address.
42  */
43 #define   S_PAGE(phys) ((void *)ALPHA_PHYS_TO_K0SEG(phys))
44 
45 /*
46  * {LD,ST}QP: LoaD and STore Quad Physical
47  */
48 #define   LDQP(a)   (*(volatile long *)ALPHA_PHYS_TO_K0SEG(a))
49 #define   STQP(a) LDQP(a)
50 
51 /*
52  * Define extraction functions for bit fields via length and left,right bitno
53  */
54 #define   TSFIELD(r,offs,len) (((r) >> (offs)) & (~0UL >> (64 - (len))))
55 #define   TSFIELDBB(r,lb,rb) TSFIELD((r), (rb), (lb) - (rb) + 1)
56 
57 /*
58  * EV6 has a new superpage which can pass through 44 address bits.  (Umm, a
59  * superduperpage?) But, the firmware doesn't turn it on, so we use the old
60  * one and let the HW sign extend va/pa<40> to get us the pa<43> that makes
61  * the needed I/O space access. This is just as well; it means we don't have
62  * to worry about which GENERIC code might get called on other CPU models.
63  *
64  *        E.g., we want this:       0x0801##a000##0000
65  *        We use this:                        0x0101##a000##0000
66  *        ...mix in the old SP:         0xffff##fc00##0000##0000
67  *        ...after PA sign ext:         0xffff##ff00##a000##0000
68  *        (PA<42:41> ignored)
69  */
70 
71 /*
72  * This hack allows us to map the I/O address space without using
73  * the KSEG sign extension hack.
74  */
75 #define   TS_PHYSADDR(x)                                                                  \
76           (((x) & ~0x0100##0000##0000) | 0x0800##0000##0000)
77 
78 /*
79  * Cchip CSR Map
80  */
81 
82 #define TS_C_CSC    0x101##a000##0000UL /* Cchip System Configuration */
83 
84 #         define    CSC_P1P             (1L << 14)
85 #         define    CSC_BC(r) TSFIELD((r), 0, 2)
86 #         define    CSC_AW              (1L << 8)
87 
88 #define TS_C_MTR    0x101##a000##0040UL
89 
90 #define TS_C_MISC   0x101##a000##0080UL /* Miscellaneous Register */
91 
92 #         define    MISC_NXM(r)         TSFIELD((r), 28, 1)
93 #         define    MISC_NXM_SRC(r)     TSFIELD((r), 29, 3)
94 #         define    MISC_REV(r)         TSFIELD((r), 39, 8)
95 
96 #define TS_C_MPD    0x101##a000##00c0UL
97 
98 #         define    MPD_DR    0x08      /* RO: Data receive */
99 #         define    MPD_CKR   0x04      /* RO: Clock receive */
100 #         define    MPD_DS    0x02      /* WO: Data send - Must be a 1 to receive */
101 #         define    MPD_CKS   0x01      /* WO: Clock send */
102 
103 #define TS_C_AAR0   0x101##a000##0100UL
104 #define TS_C_AAR1   0x101##a000##0140UL
105 #define TS_C_AAR2   0x101##a000##0180UL
106 #define TS_C_AAR3   0x101##a000##01c0UL
107 
108 #         define    AAR_ASIZ(r)         TSFIELD((r), 12, 4)
109 #         define    AAR_SPLIT (1L << 8)
110 
111 #define TS_C_DIM0   0x101##a000##0200UL
112 #define TS_C_DIM1   0x101##a000##0240UL
113 #define TS_C_DIR0   0x101##a000##0280UL
114 #define TS_C_DIR1   0x101##a000##02c0UL
115 #define TS_C_DRIR   0x101##a000##0300UL
116 #define TS_C_PRBEN  0x101##a000##0340UL
117 #define TS_C_IIC0   0x101##a000##0380UL
118 #define TS_C_IIC1   0x101##a000##03c0UL
119 #define TS_C_MPR0   0x101##a000##0400UL
120 #define TS_C_MPR1   0x101##a000##0440UL
121 #define TS_C_MPR2   0x101##a000##0480UL
122 #define TS_C_MPR3   0x101##a000##04c0UL
123 #define TS_C_MCTL   0x101##a000##0500UL
124 
125 #define TS_C_TTR    0x101##a000##0580UL
126 #define TS_C_TDR    0x101##a000##05c0UL
127 #define TS_C_DIM2   0x101##a000##0600UL
128 #define TS_C_DIM3   0x101##a000##0640UL
129 #define TS_C_DIR2   0x101##a000##0680UL
130 #define TS_C_DIR3   0x101##a000##06c0UL
131 #define TS_C_IIC2   0x101##a000##0700UL
132 #define TS_C_IIC3   0x101##a000##0740UL
133 
134 /*
135  * Dchip CSR Map
136  */
137 
138 #define TS_D_DSC    0x101##b000##0800UL
139 #define TS_D_STR    0x101##b000##0840UL
140 #define TS_D_DREV   0x101##b000##0880UL
141 #define TS_D_DSC2   0x101##b000##08c0UL
142 
143 /*
144  * Pchip CSR Offsets
145  */
146 
147 #define P_WSBA0               0x0000
148 #define P_WSBA1               0x0040
149 #define P_WSBA2               0x0080
150 #define P_WSBA3               0x00c0
151 
152 #         define    WSBA_ADDR(r) (TSFIELDBB((r), 31, 20) << 20)
153 #         define    WSBA3_DAC    __BIT(39)
154 #         define    WSBA_SG        __BIT(1)
155 #         define    WSBA_ENA     __BIT(0)
156 
157 #define P_WSM0                0x0100
158 #define P_WSM1                0x0140
159 #define P_WSM2                0x0180
160 #define P_WSM3                0x01c0
161 
162 #         define    WSM_1MB      (0x000UL << 20)
163 #         define    WSM_2MB      (0x001UL << 20)
164 #         define    WSM_4MB      (0x003UL << 20)
165 #         define    WSM_8MB      (0x007UL << 20)
166 #         define    WSM_16MB     (0x00fUL << 20)
167 #         define    WSM_32MB     (0x01fUL << 20)
168 #         define    WSM_64MB     (0x03fUL << 20)
169 #         define    WSM_128MB    (0x07fUL << 20)
170 #         define    WSM_256MB    (0x0ffUL << 20)
171 #         define    WSM_512MB    (0x1ffUL << 20)
172 #         define    WSM_1GB      (0x3ffUL << 20)
173 #         define    WSM_2GB      (0x7ffUL << 20)
174 /*#       define    WSM_4GB      N/A              monster window / DAC only */
175 
176 #         define    WSM_AM(r)    TSFIELDBB((r), 31, 20)
177 #         define    WSM_LEN(r)   ((WSM_AM(r) + 1) << 20)
178 
179 #define P_TBA0                0x0200
180 #define P_TBA1                0x0240
181 #define P_TBA2                0x0280
182 #define P_TBA3                0x02c0
183 
184 #define P_PCTL                0x0300
185 
186 #define   PCTL_FDSC __BIT(0)  /* fast discard enable */
187 #define   PCTL_FBTB __BIT(1)  /* fast back-to-back enable */
188 #define   PCTL_THDIS          __BIT(2)  /* disable TLB anti-thrash (debug) */
189 #define   PCTL_CHAINDIS       __BIT(3)  /* disable chaining */
190 #define   PCTL_TGTLAT         __BIT(4)  /* target latency timers enable */
191 #define   PCTL_HOLE __BIT(5)  /* 512KB->1M hole enable */
192 #define   PCTL_MWIN __BIT(6)  /* monster window enable */
193 #define   PCTL_PRIGRP         __BITS(8,14)        /* arbiter priority group */
194 #define   PCTL_PPRI __BIT(15) /* arbiter priority group for Pchip */
195 #define   PCTL_ECCEN          __BIT(18) /* ECC enable for DMA and SGTE */
196 #define   PCTL_PADM __BIT(19) /* PADbus mode */
197 #define   PCTL_CDQMAX         __BITS(20,23)       /* see manual */
198 #define   PCTL_REV  __BITS(24,31)       /* Pchip revision */
199 #define   PCTL_CRQMAX         __BITS(32,35)       /* see manual */
200 #define   PCTL_PTPMAX         __BITS(36,39)       /* see manual */
201 #define   PCTL_PCLKX          __BITS(40,41)       /* PCI clock freq multiplier */
202 #define   PCTL_FDSDIS         __BIT(42) /* fast DMA start and SGTE disable */
203 #define   PCTL_FDWDIS         __BIT(43) /* fast DMA read cache block disable */
204 #define   PCTL_PTEVRFY        __BIT(44) /* PTE verify for DMA read */
205 #define   PCTL_RPP  __BIT(45) /* remote Pchip present */
206 #define   PCTL_PID  __BITS(46,47)       /* Pchip ID */
207 
208 #define P_PLAT                0x0340
209           /* reserved         0x0380 */
210 #define P_PERROR    0x03c0
211 
212 #         define    PER_ERR(r)          TSFIELD((r),  0, 12)
213 #         define    PER_ECC(r)          TSFIELD((r), 10, 2)
214 #         define    PER_SADR(r)         TSFIELD((r), 16, 34)
215 #         define    PER_PADR(r)         (TSFIELD((r), 18, 32) << 2)
216 #         define    PER_TRNS(r)         TSFIELD((r), 16, 2)
217 #         define    PER_INV(r)          TSFIELD((r), 51, 1)
218 #         define    PER_CMD(r)          TSFIELD((r), 52, 4)
219 #         define    PER_SYN(r)          TSFIELD((r), 56, 8)
220 
221 #define P_PERRMASK  0x0400
222 #define P_PERRSET   0x0440
223 #define P_TLBIV               0x0480
224 #define P_TLBIA               0x04c0
225 
226 #define P_PMONCTL   0x0500
227 #define P_PMONCNT   0x0540
228 
229 #define P_SPRST               0x0800
230 
231 #define   TS_STEP             0x40
232 
233 /*
234  * Pchip I/O offsets
235  */
236 
237 #define   P_CSRBASE  0x001##8000##0000UL
238 #define   P_PCI_MEM  0x800##0000##0000UL
239 #define   P_PCI_IO   0x001##fc00##0000UL
240 #define   P_PCI_CONFIG         0x001##fe00##0000UL
241 
242 /*
243  * Construct EV6 I/O Space Address for Pchip 0 and Pchip 1.
244  */
245 
246 #define   TS_P0(offs)         (0x100##0000##0000UL + (offs))
247 #define   TS_P1(offs)         (0x102##0000##0000UL + (offs))
248 #define   TS_Pn(n, offs)      (0x100##0000##0000UL + 0x2##0000##0000UL * (n) + (offs))
249 
250 /*
251  * Tsunami Generic Register Type
252  */
253 typedef struct _ts_gr {
254           volatile uint64_t tsg_r;
255           long      tsg_deadspace[7];
256 } TS_GR;
257 
258 /*
259  * Tsunami Pchip
260  */
261 struct    ts_pport {
262           TS_GR     tsp_resA;
263           TS_GR     tsp_error;          /* Pchip Error */
264 
265           TS_GR     tsp_perrmask;       /* Pchip Error Mask */
266           TS_GR     tsp_perrset;        /* Pchip Error Set */
267           TS_GR     tsp_tlbiv;          /* Translation Buffer Invalidate Virtual */
268           TS_GR     tsp_tlbia;          /* Translation Buffer Invalidate All */
269 
270           TS_GR     tsp_pmonctl;        /* PChip Monitor Control */
271           TS_GR     tsp_pmoncnt;        /* PChip Monitor Counters */
272           TS_GR     tsp_resB;
273           TS_GR     tsp_resC;
274 
275           TS_GR     tsp_resD_K[8];
276 };
277 
278 struct    ts_gport {
279           TS_GR     tsp_resA[2];
280           TS_GR     tsp_serror;
281           TS_GR     tsp_serrmask;
282           TS_GR     tsp_serrset;
283           TS_GR     tsp_resB;
284           TS_GR     tsp_gperrmask;
285           TS_GR     tsp_gperren;
286           TS_GR     tsp_gperrset;
287           TS_GR     tsp_resC;
288           TS_GR     tsp_tlbiv;
289           TS_GR     tsp_tlbia;
290           TS_GR     tsp_resD[2];
291           TS_GR     tsp_sctl;
292           TS_GR     tsp_resE[3];
293 };
294 
295 struct    ts_aport {
296           TS_GR     tsp_resA[2];
297           TS_GR     tsp_agperror;
298           TS_GR     tsp_agperrmask;
299           TS_GR     tsp_agperrset;
300           TS_GR     tsp_agplastwr;
301           TS_GR     tsp_aperror;
302           TS_GR     tsp_aperrmask;
303           TS_GR     tsp_aperrset;
304           TS_GR     tsp_resB;
305           TS_GR     tsp_tlbiv;
306           TS_GR     tsp_tlbia;
307           TS_GR     tsp_resC[6];
308 };
309 
310 struct    ts_pchip {
311           TS_GR     tsp_wsba[4];        /* Window Space Base Address */
312 
313           TS_GR     tsp_wsm[4];         /* Window Space Mask */
314 
315           TS_GR     tsp_tba[4];         /* Translated Base Address */
316 
317           TS_GR     tsp_pctl; /* Pchip Control */
318           TS_GR     tsp_plat; /* Pchip Latency */
319 
320           union {
321                     struct ts_pport     p;
322                     struct ts_gport     g;
323                     struct ts_aport     a;
324           } port;
325 
326           TS_GR     tsp_sprts;          /* ??? */
327           TS_GR   tsp_res[31];
328 };
329