xref: /titanic_50/usr/src/uts/sun4u/sys/pci/pci_simba.h (revision ae115bc77f6fcde83175c75b4206dc2e50747966)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1994-1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef	_SYS_PCI_SIMBA_H
28 #define	_SYS_PCI_SIMBA_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * This files contains info specific to Simba (pci to pci bridge)
38  * The rest of info common to simba and DecNet are in "pci.h"
39  */
40 
41 /*
42  * Simba configuration space registers.
43  */
44 #define	PCI_BCNF_SECSTATUS		0x1e	/* secondary status */
45 
46 /*
47  * Simba device specific registers.
48  */
49 #define	PCI_BCNF_MATER_RETRY_LIMIT	0xc0	/* primary master retry limit */
50 #define	PCI_BCNF_DMA_AFSR		0xc8	/* dma afsr */
51 #define	PCI_BCNF_DMA_AFAR		0xd0	/* dma afar */
52 #define	PCI_BCNF_PIOTGT_RTY_LIMIT	0xd8	/* pio target retry limit */
53 #define	PCI_BCNF_PIOTGT_LATE_TIMER	0xd9	/* pio target retry limit */
54 #define	PCI_BCNF_DMATGT_RTY_LIMIT	0xda	/* dma target retry limit */
55 #define	PCI_BCNF_DMATGT_LATE_TIMER	0xdb	/* dma target retry limit */
56 #define	PCI_BCNF_TGT_RETRY_LIMIT	0xdc	/* primary master retry limit */
57 #define	PCI_BCNF_SECBRIDGE_CTL		0xdd	/* secondary bridge control */
58 #define	PCI_BCNF_ADDR_MAP		0xdf	/* address map */
59 
60 /*
61  * Psycho compatible registers.
62  */
63 #define	PCI_BCNF_CTL_STAT		0xe0	/* control-status */
64 #define	PCI_BCNF_PIO_AFSR		0xe8	/* pio afsr */
65 #define	PCI_BCNF_PIO_AFAR		0xf0	/* pio afar */
66 
67 /*
68  * Simba device specific registers.
69  */
70 #define	PCI_BCNF_DIAGNOSTICS		0xf8	/* diagnostics */
71 
72 
73 /*
74  * primary/secondary timer reg mask(addrs = 0x0d/0x1b).
75  */
76 #define	PCI_LATENCY_TMR_LO		0x7	/* read only part, 0x0 */
77 #define	PCI_LATENCY_TMR_HI		0xf8	/* programable part */
78 
79 /*
80  * PCI secondary status register bits.
81  * All bit definitions are the same as primary status register,
82  * but the meaning of bit 14 relates to secondary bus.
83  */
84 
85 
86 /*
87  * Secondary control bit defines(addrs = 0xdd).
88  */
89 #define	PCI_SEC_CNTL_PIO_PREF		0x1	/* prefetch dma reads as pio */
90 #define	PCI_SEC_CNTL_CONVT_MRM		0x2	/* convert mem multiple read */
91 
92 /*
93  * Psycho ctrl/status reg bit defines(addrs = 0xe0).
94  */
95 #define	PCI_PSYCHO_SLOT_ENAM_MASK	0xf	/* slot arbiter enable mask */
96 #define	PCI_PSYCHO_SEC_ERRINIT_ENAB	0x100	/* 1=forward SERR to primary */
97 #define	PCI_PSYCHO_WAKEUP_ENAB		0x200   /* not used, reads as 0 */
98 #define	PCI_PSYCHO_SBH_INT_ENAB		0x400   /* not used, reads as 0 */
99 #define	PCI_PSYCHO_SLOT_PRIORITY	0xf0000 /* slot arb priority mask */
100 #define	PCI_PSYCHO_CPU_PRIORITY		0x100000 /* pio arb priority (simba) */
101 #define	PCI_PSYCHO_PBUS_PARK_ENAB	0x200000 /* pci bus parking enable */
102 #define	PCI_PSYCHO_INTER_ARB_ENAB	0x100000000 /* enable internal arb */
103 #define	PCI_PSYCHO_PCI_SPEED		0x200000000 /* not used, reads as 0 */
104 #define	PCI_PSYCHO_PCI_SYS_ERROR	0x800000000 /* set, if err on 2ndary */
105 #define	PCI_PSYCHO_PCI_SBH_ERROR	0x1000000000 /* not used, reads as 0 */
106 
107 /*
108  * Psycho AFSR reg bit defines(addrs = 0xe8).
109  */
110 #define	PCI_PSYCHO_ERR_NUM		0xff		/* error index number */
111 #define	PCI_PSYCHO_MID_MASK		(0x1f<<25)	/* mid mask, reads 0 */
112 #define	PCI_PSYCHO_BLK			(1<<31)		/* block, reads 0 */
113 #define	PCI_PSYCHO_BYTE_MASK		(0xffff<<32)	/* byte mask, reads 0 */
114 #define	PCI_PSYCHO_SEC_APERR		(1<<54)    	/* 2ndary adr par err */
115 #define	PCI_PSYCHO_PRI_APERR		(1<<55)		/* pri addr par err */
116 #define	PCI_PSYCHO_SEC_PERR		(1<<56)		/* 2nd data par err */
117 #define	PCI_PSYCHO_SEC_RTRY_ERR		(1<<57)		/* 2nd retry err */
118 #define	PCI_PSYCHO_SEC_TA_ERR		(1<<58)		/* 2nd tgt abort err */
119 #define	PCI_PSYCHO_SEC_MA_ERR		(1<<59)		/* 2nd mstr abort err */
120 #define	PCI_PSYCHO_PRI_PERR		(1<<60)		/* pri data par error */
121 #define	PCI_PSYCHO_PRI_RTRY_ERR		(1<<61)		/* pri retry error */
122 #define	PCI_PSYCHO_PRI_TA_ERR		(1<<62)		/* mstr tgt abort err */
123 #define	PCI_PSYCHO_PRI_MA_ERR		(1<<63)		/* mstr mstr abrt err */
124 
125 
126 /*
127  * notice: In Simba, AFAR will log statring address of transaction with error
128  *		The byte offset will be logged in [7:0] of AFSR.
129  */
130 
131 /*
132  * Diagnostics reg bit defines(size=d word)(addrs = 0xf8).
133  */
134 #define	PCI_DIAG_IDMA_WDATA_PAR		0x1	/* invert dma wr data parity */
135 #define	PCI_DIAG_IDMA_RDATA_PAR		0x2	/* invert dma rd data parity */
136 #define	PCI_DIAG_IDMA_ADDR_PAR		0x4	/* invert dma addr parity */
137 #define	PCI_DIAG_IPIO_WDATA_PAR		0x10	/* invert pio wr data parity */
138 #define	PCI_DIAG_IPIO_RDATA_PAR		0x20	/* invert pio rd data parity */
139 #define	PCI_DIAG_IPIO_ADDR_PAR		0x40	/* invert pio addr parity */
140 
141 /*
142  * usefull defines.
143  */
144 #define	PCI_UNLIMITED_RETRY		0x0	/* unlimitted retry */
145 #define	PCI_UNLIMITED_LATENCY		0x0	/* unlimitted latency */
146 
147 /*
148  * vendor & device id for simba.
149  */
150 #define	PCI_SIMBA_VENID		0x108e  /* vendor id for simba */
151 #define	PCI_SIMBA_DEVID		0x5000  /* device id for simba */
152 
153 /*
154  * programming interface for simba.
155  */
156 #define	PCI_SIMBA_PRI			0x0	/*  prog interface for simba */
157 
158 /*
159  * master/secondary latency timer value.
160  */
161 #define	PCI_LATENCY_TIMER_VAL		0x28	/* timer value for simba */
162 
163 /*
164  * primary bus number for simba.
165  */
166 #define	PCI_BCNF_PRIBUS_NUM		0x0	/* primary bus # for simba */
167 
168 /*
169  * secondary bus number for simba.
170  */
171 #define	PCI_BCNF_SECBUS_NUM_ONE		0x1	/* secondary bus number one */
172 #define	PCI_BCNF_SECBUS_NUM_TWO		0x2	/* secondary bus number two */
173 
174 
175 #ifdef	__cplusplus
176 }
177 #endif
178 
179 #endif	/* _SYS_PCI_SIMBA_H */
180