xref: /freebsd/sys/dev/ntb/ntb_hw/ntb_hw_intel.h (revision 42249ef2)
1 /*-
2  * Copyright (c) 2016 Alexander Motin <mav@FreeBSD.org>
3  * Copyright (C) 2013 Intel Corporation
4  * Copyright (C) 2015 EMC Corporation
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _NTB_REGS_H_
32 #define _NTB_REGS_H_
33 
34 #define NTB_LINK_STATUS_ACTIVE	0x2000
35 #define NTB_LINK_SPEED_MASK	0x000f
36 #define NTB_LINK_WIDTH_MASK	0x03f0
37 #define NTB_LNK_STA_WIDTH(sta)	(((sta) & NTB_LINK_WIDTH_MASK) >> 4)
38 
39 #define XEON_SNB_MW_COUNT	2
40 #define XEON_HSX_SPLIT_MW_COUNT	3
41 /* Reserve the uppermost bit for link interrupt */
42 #define XEON_DB_COUNT		15
43 #define XEON_DB_TOTAL_SHIFT	16
44 #define XEON_DB_LINK		15
45 #define XEON_DB_MSIX_VECTOR_COUNT	4
46 #define XEON_DB_MSIX_VECTOR_SHIFT	5
47 #define XEON_DB_LINK_BIT	(1 << XEON_DB_LINK)
48 #define XEON_NONLINK_DB_MSIX_BITS	3
49 
50 #define XEON_SPCICMD_OFFSET	0x0504
51 #define XEON_DEVCTRL_OFFSET	0x0598
52 #define XEON_DEVSTS_OFFSET	0x059a
53 #define XEON_LINK_STATUS_OFFSET	0x01a2
54 #define XEON_SLINK_STATUS_OFFSET	0x05a2
55 
56 #define XEON_PBAR2LMT_OFFSET	0x0000
57 #define XEON_PBAR4LMT_OFFSET	0x0008
58 #define XEON_PBAR5LMT_OFFSET	0x000c
59 #define XEON_PBAR2XLAT_OFFSET	0x0010
60 #define XEON_PBAR4XLAT_OFFSET	0x0018
61 #define XEON_PBAR5XLAT_OFFSET	0x001c
62 #define XEON_SBAR2LMT_OFFSET	0x0020
63 #define XEON_SBAR4LMT_OFFSET	0x0028
64 #define XEON_SBAR5LMT_OFFSET	0x002c
65 #define XEON_SBAR2XLAT_OFFSET	0x0030
66 #define XEON_SBAR4XLAT_OFFSET	0x0038
67 #define XEON_SBAR5XLAT_OFFSET	0x003c
68 #define XEON_SBAR0BASE_OFFSET	0x0040
69 #define XEON_SBAR2BASE_OFFSET	0x0048
70 #define XEON_SBAR4BASE_OFFSET	0x0050
71 #define XEON_SBAR5BASE_OFFSET	0x0054
72 #define XEON_NTBCNTL_OFFSET	0x0058
73 #define XEON_SBDF_OFFSET	0x005c
74 #define XEON_PDOORBELL_OFFSET	0x0060
75 #define XEON_PDBMSK_OFFSET	0x0062
76 #define XEON_SDOORBELL_OFFSET	0x0064
77 #define XEON_SDBMSK_OFFSET	0x0066
78 #define XEON_USMEMMISS_OFFSET	0x0070
79 #define XEON_SPAD_OFFSET	0x0080
80 #define XEON_SPAD_COUNT		16
81 #define XEON_SPADSEMA4_OFFSET	0x00c0
82 #define XEON_WCCNTRL_OFFSET	0x00e0
83 #define XEON_UNCERRSTS_OFFSET	0x014c
84 #define XEON_CORERRSTS_OFFSET	0x0158
85 #define XEON_B2B_SPAD_OFFSET	0x0100
86 #define XEON_B2B_DOORBELL_OFFSET	0x0140
87 #define XEON_B2B_XLAT_OFFSETL	0x0144
88 #define XEON_B2B_XLAT_OFFSETU	0x0148
89 
90 #define ATOM_MW_COUNT		2
91 #define ATOM_DB_COUNT		34
92 #define ATOM_DB_MSIX_VECTOR_COUNT	34
93 #define ATOM_DB_MSIX_VECTOR_SHIFT	1
94 
95 #define ATOM_SPCICMD_OFFSET	0xb004
96 #define ATOM_MBAR23_OFFSET	0xb018
97 #define ATOM_MBAR45_OFFSET	0xb020
98 #define ATOM_DEVCTRL_OFFSET	0xb048
99 #define ATOM_LINK_STATUS_OFFSET	0xb052
100 #define ATOM_ERRCORSTS_OFFSET	0xb110
101 
102 #define ATOM_SBAR2XLAT_OFFSET	0x0008
103 #define ATOM_SBAR4XLAT_OFFSET	0x0010
104 #define ATOM_PDOORBELL_OFFSET	0x0020
105 #define ATOM_PDBMSK_OFFSET	0x0028
106 #define ATOM_NTBCNTL_OFFSET	0x0060
107 #define ATOM_EBDF_OFFSET		0x0064
108 #define ATOM_SPAD_OFFSET		0x0080
109 #define ATOM_SPAD_COUNT		16
110 #define ATOM_SPADSEMA_OFFSET	0x00c0
111 #define ATOM_STKYSPAD_OFFSET	0x00c4
112 #define ATOM_PBAR2XLAT_OFFSET	0x8008
113 #define ATOM_PBAR4XLAT_OFFSET	0x8010
114 #define ATOM_B2B_DOORBELL_OFFSET	0x8020
115 #define ATOM_B2B_SPAD_OFFSET	0x8080
116 #define ATOM_B2B_SPADSEMA_OFFSET	0x80c0
117 #define ATOM_B2B_STKYSPAD_OFFSET	0x80c4
118 
119 #define ATOM_MODPHY_PCSREG4	0x1c004
120 #define ATOM_MODPHY_PCSREG6	0x1c006
121 
122 #define ATOM_IP_BASE		0xc000
123 #define ATOM_DESKEWSTS_OFFSET	(ATOM_IP_BASE + 0x3024)
124 #define	ATOM_LTSSMERRSTS0_OFFSET (ATOM_IP_BASE + 0x3180)
125 #define ATOM_LTSSMSTATEJMP_OFFSET	(ATOM_IP_BASE + 0x3040)
126 #define ATOM_IBSTERRRCRVSTS0_OFFSET	(ATOM_IP_BASE + 0x3324)
127 
128 #define ATOM_DESKEWSTS_DBERR		(1 << 15)
129 #define ATOM_LTSSMERRSTS0_UNEXPECTEDEI	(1 << 20)
130 #define ATOM_LTSSMSTATEJMP_FORCEDETECT	(1 << 2)
131 #define ATOM_IBIST_ERR_OFLOW		0x7fff7fff
132 
133 #define NTB_CNTL_CFG_LOCK		(1 << 0)
134 #define NTB_CNTL_LINK_DISABLE		(1 << 1)
135 #define NTB_CNTL_S2P_BAR23_SNOOP	(1 << 2)
136 #define NTB_CNTL_P2S_BAR23_SNOOP	(1 << 4)
137 #define NTB_CNTL_S2P_BAR4_SNOOP		(1 << 6)
138 #define NTB_CNTL_P2S_BAR4_SNOOP		(1 << 8)
139 #define NTB_CNTL_S2P_BAR5_SNOOP		(1 << 12)
140 #define NTB_CNTL_P2S_BAR5_SNOOP		(1 << 14)
141 #define ATOM_CNTL_LINK_DOWN		(1 << 16)
142 
143 #define XEON_PBAR23SZ_OFFSET	0x00d0
144 #define XEON_PBAR45SZ_OFFSET	0x00d1
145 #define XEON_PBAR4SZ_OFFSET	0x00d1
146 #define XEON_PBAR5SZ_OFFSET	0x00d5
147 #define XEON_SBAR23SZ_OFFSET	0x00d2
148 #define XEON_SBAR4SZ_OFFSET	0x00d3
149 #define XEON_SBAR5SZ_OFFSET	0x00d6
150 #define NTB_PPD_OFFSET		0x00d4
151 #define XEON_PPD_CONN_TYPE	0x0003
152 #define XEON_PPD_DEV_TYPE	0x0010
153 #define XEON_PPD_SPLIT_BAR	0x0040
154 #define ATOM_PPD_INIT_LINK	0x0008
155 #define ATOM_PPD_CONN_TYPE	0x0300
156 #define ATOM_PPD_DEV_TYPE	0x1000
157 
158 /* All addresses are in low 32-bit space so 32-bit BARs can function */
159 #define XEON_B2B_BAR0_ADDR	0x1000000000000000ull
160 #define XEON_B2B_BAR2_ADDR64	0x2000000000000000ull
161 #define XEON_B2B_BAR4_ADDR64	0x4000000000000000ull
162 #define XEON_B2B_BAR4_ADDR32	0x20000000ull
163 #define XEON_B2B_BAR5_ADDR32	0x40000000ull
164 
165 /* The peer ntb secondary config space is 32KB fixed size */
166 #define XEON_B2B_MIN_SIZE		0x8000
167 
168 #endif /* _NTB_REGS_H_ */
169