xref: /netbsd/sys/arch/alpha/pci/tsreg.h (revision 6550d01e)
1 /* $NetBSD: tsreg.h,v 1.4 2010/10/07 19:55:02 hans 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 TS_C_AAR0	0x101##a000##0100UL
99 #define TS_C_AAR1	0x101##a000##0140UL
100 #define TS_C_AAR2	0x101##a000##0180UL
101 #define TS_C_AAR3	0x101##a000##01c0UL
102 
103 #	define	AAR_ASIZ(r)	TSFIELD((r), 12, 4)
104 #	define	AAR_SPLIT	(1L << 8)
105 
106 #define TS_C_DIM0	0x101##a000##0200UL
107 #define TS_C_DIM1	0x101##a000##0240UL
108 #define TS_C_DIR0	0x101##a000##0280UL
109 #define TS_C_DIR1	0x101##a000##02c0UL
110 #define TS_C_DRIR	0x101##a000##0300UL
111 #define TS_C_PRBEN	0x101##a000##0340UL
112 #define TS_C_IIC0	0x101##a000##0380UL
113 #define TS_C_IIC1	0x101##a000##03c0UL
114 #define TS_C_MPR0	0x101##a000##0400UL
115 #define TS_C_MPR1	0x101##a000##0440UL
116 #define TS_C_MPR2	0x101##a000##0480UL
117 #define TS_C_MPR3	0x101##a000##04c0UL
118 #define TS_C_MCTL	0x101##a000##0500UL
119 
120 #define TS_C_TTR	0x101##a000##0580UL
121 #define TS_C_TDR	0x101##a000##05c0UL
122 
123 /*
124  * Dchip CSR Map
125  */
126 
127 #define TS_D_DSC	0x101##b000##0800UL
128 #define TS_D_STR	0x101##b000##0840UL
129 #define TS_D_DREV	0x101##b000##0880UL
130 #define TS_D_DSC2	0x101##b000##08c0UL
131 
132 /*
133  * Pchip CSR Offsets
134  */
135 
136 #define P_WSBA0		0x0000
137 #define P_WSBA1		0x0040
138 #define P_WSBA2		0x0080
139 #define P_WSBA3		0x00c0
140 
141 #	define	WSBA_ADDR(r) (TSFIELDBB((r), 31, 20) << 20)
142 #	define	WSBA_SG	     2
143 #	define	WSBA_ENA     1
144 
145 #define P_WSM0		0x0100
146 #define P_WSM1		0x0140
147 #define P_WSM2		0x0180
148 #define P_WSM3		0x01c0
149 
150 #	define	WSM_AM(r)    TSFIELDBB((r), 31, 20)
151 #	define	WSM_LEN(r)   ((WSM_AM(r) + 1) << 20)
152 
153 #define P_TBA0		0x0200
154 #define P_TBA1		0x0240
155 #define P_TBA2		0x0280
156 #define P_TBA3		0x02c0
157 
158 #define P_PCTL		0x0300
159 #define P_PLAT		0x0340
160 	/* reserved	0x0380 */
161 #define P_PERROR	0x03c0
162 
163 #	define	PER_ERR(r)	TSFIELD((r),  0, 12)
164 #	define	PER_ECC(r)	TSFIELD((r), 10, 2)
165 #	define	PER_SADR(r)	TSFIELD((r), 16, 34)
166 #	define	PER_PADR(r)	(TSFIELD((r), 18, 32) << 2)
167 #	define	PER_TRNS(r)	TSFIELD((r), 16, 2)
168 #	define	PER_INV(r)	TSFIELD((r), 51, 1)
169 #	define	PER_CMD(r)	TSFIELD((r), 52, 4)
170 #	define	PER_SYN(r)	TSFIELD((r), 56, 8)
171 
172 #define P_PERRMASK	0x0400
173 #define P_PERRSET	0x0440
174 #define P_TLBIV		0x0480
175 #define P_TLBIA		0x04c0
176 
177 #define P_PMONCTL	0x0500
178 #define P_PMONCNT	0x0540
179 
180 #define P_SPRST		0x0800
181 
182 #define	TS_STEP		0x40
183 
184 /*
185  * Pchip I/O offsets
186  */
187 
188 #define	P_CSRBASE	 0x001##8000##0000UL
189 #define	P_PCI_MEM	 0
190 #define	P_PCI_IO	 0x001##fc00##0000UL
191 #define	P_PCI_CONFIG	 0x001##fe00##0000UL
192 
193 /*
194  * Construct EV6 I/O Space Address for Pchip 0 and Pchip 1.
195  */
196 
197 #define	TS_P0(offs)	(0x100##0000##0000UL + (offs))
198 #define	TS_P1(offs)	(0x102##0000##0000UL + (offs))
199 #define	TS_Pn(n, offs)	(0x100##0000##0000UL + 0x2##0000##0000UL * (n) + (offs))
200 
201 /*
202  * Tsunami Generic Register Type
203  */
204 typedef struct _ts_gr {
205 	volatile u_int64_t tsg_r;
206 	long	tsg_deadspace[7];
207 } TS_GR;
208 
209 /*
210  * Tsunami Pchip
211  */
212 struct	ts_pchip {
213 	TS_GR	tsp_wsba[4];	/* Window Space Base Address */
214 
215 	TS_GR	tsp_wsm[4];	/* Window Space Mask */
216 
217 	TS_GR	tsp_tba[4];	/* Translated Base Address */
218 
219 	TS_GR	tsp_pctl;	/* Pchip Control */
220 	TS_GR	tsp_plat;	/* Pchip Latency */
221 	TS_GR	tsp_resA;
222 	TS_GR	tsp_error;	/* Pchip Error */
223 
224 	TS_GR	tsp_perrmask;	/* Pchip Error Mask */
225 	TS_GR	tsp_perrset;	/* Pchip Error Set */
226 	TS_GR	tsp_tlbiv;	/* Translation Buffer Invalidate Virtual */
227 	TS_GR	tsp_tlbia;	/* Translation Buffer Invalidate All */
228 
229 	TS_GR	tsp_pmonctl;	/* PChip Monitor Control */
230 	TS_GR	tsp_pmoncnt;	/* PChip Monitor Counters */
231 	TS_GR	tsp_resB;
232 	TS_GR	tsp_resC;
233 
234 	TS_GR	tsp_resD_K[8];
235 
236 	TS_GR	tsp_sprts;	/* ??? */
237 };
238