xref: /netbsd/sys/arch/alpha/pci/tsreg.h (revision 94439884)
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