xref: /netbsd/sys/arch/alpha/pci/tsreg.h (revision bf9ec67e)
1 /* $NetBSD: tsreg.h,v 1.3 2001/07/05 08:38:24 toshii 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_REV(r)	TSFIELD((r), 39, 8)
93 
94 #define TS_C_MPD	0x101##a000##00c0UL
95 
96 #define TS_C_AAR0	0x101##a000##0100UL
97 #define TS_C_AAR1	0x101##a000##0140UL
98 #define TS_C_AAR2	0x101##a000##0180UL
99 #define TS_C_AAR3	0x101##a000##01c0UL
100 
101 #	define	AAR_ASIZ(r)	TSFIELD((r), 12, 4)
102 #	define	AAR_SPLIT	(1L << 8)
103 
104 #define TS_C_DIM0	0x101##a000##0200UL
105 #define TS_C_DIM1	0x101##a000##0240UL
106 #define TS_C_DIR0	0x101##a000##0280UL
107 #define TS_C_DIR1	0x101##a000##02c0UL
108 #define TS_C_DRIR	0x101##a000##0300UL
109 #define TS_C_PRBEN	0x101##a000##0340UL
110 #define TS_C_IIC0	0x101##a000##0380UL
111 #define TS_C_IIC1	0x101##a000##03c0UL
112 #define TS_C_MPR0	0x101##a000##0400UL
113 #define TS_C_MPR1	0x101##a000##0440UL
114 #define TS_C_MPR2	0x101##a000##0480UL
115 #define TS_C_MPR3	0x101##a000##04c0UL
116 #define TS_C_MCTL	0x101##a000##0500UL
117 
118 #define TS_C_TTR	0x101##a000##0580UL
119 #define TS_C_TDR	0x101##a000##05c0UL
120 
121 /*
122  * Dchip CSR Map
123  */
124 
125 #define TS_D_DSC	0x101##b000##0800UL
126 #define TS_D_STR	0x101##b000##0840UL
127 #define TS_D_DREV	0x101##b000##0880UL
128 #define TS_D_DSC2	0x101##b000##08c0UL
129 
130 /*
131  * Pchip CSR Offsets
132  */
133 
134 #define P_WSBA0		0x0000
135 #define P_WSBA1		0x0040
136 #define P_WSBA2		0x0080
137 #define P_WSBA3		0x00c0
138 
139 #	define	WSBA_ADDR(r) (TSFIELDBB((r), 31, 20) << 20)
140 #	define	WSBA_SG	     2
141 #	define	WSBA_ENA     1
142 
143 #define P_WSM0		0x0100
144 #define P_WSM1		0x0140
145 #define P_WSM2		0x0180
146 #define P_WSM3		0x01c0
147 
148 #	define	WSM_AM(r)    TSFIELDBB((r), 31, 20)
149 #	define	WSM_LEN(r)   ((WSM_AM(r) + 1) << 20)
150 
151 #define P_TBA0		0x0200
152 #define P_TBA1		0x0240
153 #define P_TBA2		0x0280
154 #define P_TBA3		0x02c0
155 
156 #define P_PCTL		0x0300
157 #define P_PLAT		0x0340
158 	/* reserved	0x0380 */
159 #define P_PERROR	0x03c0
160 
161 #define P_PERRMASK	0x0400
162 #define P_PERRSET	0x0440
163 #define P_TLBIV		0x0480
164 #define P_TLBIA		0x04c0
165 
166 #define P_PMONCTL	0x0500
167 #define P_PMONCNT	0x0540
168 
169 #define P_SPRST		0x0800
170 
171 #define	TS_STEP		0x40
172 
173 /*
174  * Pchip I/O offsets
175  */
176 
177 #define	P_CSRBASE	 0x001##8000##0000UL
178 #define	P_PCI_MEM	 0
179 #define	P_PCI_IO	 0x001##fc00##0000UL
180 #define	P_PCI_CONFIG	 0x001##fe00##0000UL
181 
182 /*
183  * Construct EV6 I/O Space Address for Pchip 0 and Pchip 1.
184  */
185 
186 #define	TS_P0(offs)	(0x100##0000##0000UL + (offs))
187 #define	TS_P1(offs)	(0x102##0000##0000UL + (offs))
188 #define	TS_Pn(n, offs)	(0x100##0000##0000UL + 0x2##0000##0000UL * (n) + (offs))
189 
190 /*
191  * Tsunami Generic Register Type
192  */
193 typedef struct _ts_gr {
194 	volatile u_int64_t tsg_r;
195 	long	tsg_deadspace[7];
196 } TS_GR;
197 
198 /*
199  * Tsunami Pchip
200  */
201 struct	ts_pchip {
202 	TS_GR	tsp_wsba[4];	/* Window Space Base Address */
203 
204 	TS_GR	tsp_wsm[4];	/* Window Space Mask */
205 
206 	TS_GR	tsp_tba[4];	/* Translated Base Address */
207 
208 	TS_GR	tsp_pctl;	/* Pchip Control */
209 	TS_GR	tsp_plat;	/* Pchip Latency */
210 	TS_GR	tsp_resA;
211 	TS_GR	tsp_error;	/* Pchip Error */
212 
213 	TS_GR	tsp_perrmask;	/* Pchip Error Mask */
214 	TS_GR	tsp_perrset;	/* Pchip Error Set */
215 	TS_GR	tsp_tlbiv;	/* Translation Buffer Invalidate Virtual */
216 	TS_GR	tsp_tlbia;	/* Translation Buffer Invalidate All */
217 
218 	TS_GR	tsp_pmonctl;	/* PChip Monitor Control */
219 	TS_GR	tsp_pmoncnt;	/* PChip Monitor Counters */
220 	TS_GR	tsp_resB;
221 	TS_GR	tsp_resC;
222 
223 	TS_GR	tsp_resD_K[8];
224 
225 	TS_GR	tsp_sprts;	/* ??? */
226 };
227