1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1999, 2000 Matthew R. Green
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 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 /*-
32 * Copyright (c) 1998, 1999 Eduardo E. Horvath
33 * Copyright (c) 2001, 2003 by Thomas Moestl <tmm@FreeBSD.org>
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 3. The name of the author may not be used to endorse or promote products
45 * derived from this software without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
48 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
50 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
52 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
53 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
54 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
55 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 * SUCH DAMAGE.
58 *
59 * from: NetBSD: psychoreg.h,v 1.14 2008/05/30 02:29:37 mrg Exp
60 *
61 * $FreeBSD$
62 */
63
64 #ifndef _SPARC64_PCI_OFW_PCI_H_
65 #define _SPARC64_PCI_OFW_PCI_H_
66
67 #include <sys/rman.h>
68
69 #include <dev/ofw/ofw_bus_subr.h>
70
71 #include "ofw_pci_if.h"
72
73 typedef uint32_t ofw_pci_intr_t;
74
75 /* PCI range child spaces. XXX: are these MI? */
76 #define OFW_PCI_CS_CONFIG 0x00
77 #define OFW_PCI_CS_IO 0x01
78 #define OFW_PCI_CS_MEM32 0x02
79 #define OFW_PCI_CS_MEM64 0x03
80 #define OFW_PCI_NUM_CS 4
81
82 /* OFW device types */
83 #define OFW_TYPE_PCI "pci"
84 #define OFW_TYPE_PCIE "pciex"
85
86 struct ofw_pci_msi_addr_ranges {
87 uint32_t addr32_hi;
88 uint32_t addr32_lo;
89 uint32_t addr32_sz;
90 uint32_t addr64_hi;
91 uint32_t addr64_lo;
92 uint32_t addr64_sz;
93 };
94
95 #define OFW_PCI_MSI_ADDR_RANGE_32(r) \
96 (((uint64_t)(r)->addr32_hi << 32) | (uint64_t)(r)->addr32_lo)
97 #define OFW_PCI_MSI_ADDR_RANGE_64(r) \
98 (((uint64_t)(r)->addr64_hi << 32) | (uint64_t)(r)->addr64_lo)
99
100 struct ofw_pci_msi_eq_to_devino {
101 uint32_t eq_first;
102 uint32_t eq_count;
103 uint32_t devino_first;
104 };
105
106 struct ofw_pci_msi_ranges {
107 uint32_t first;
108 uint32_t count;
109 };
110
111 struct ofw_pci_ranges {
112 uint32_t cspace;
113 uint32_t child_hi;
114 uint32_t child_lo;
115 uint32_t phys_hi;
116 uint32_t phys_lo;
117 uint32_t size_hi;
118 uint32_t size_lo;
119 };
120
121 #define OFW_PCI_RANGE_CHILD(r) \
122 (((uint64_t)(r)->child_hi << 32) | (uint64_t)(r)->child_lo)
123 #define OFW_PCI_RANGE_PHYS(r) \
124 (((uint64_t)(r)->phys_hi << 32) | (uint64_t)(r)->phys_lo)
125 #define OFW_PCI_RANGE_SIZE(r) \
126 (((uint64_t)(r)->size_hi << 32) | (uint64_t)(r)->size_lo)
127 #define OFW_PCI_RANGE_CS(r) (((r)->cspace >> 24) & 0x03)
128
129 /* default values */
130 #define OFW_PCI_LATENCY 64
131
132 /*
133 * Common and generic parts of host-PCI-bridge support
134 */
135
136 struct ofw_pci_softc {
137 struct rman sc_pci_mem_rman;
138 struct rman sc_pci_io_rman;
139
140 bus_space_handle_t sc_pci_bh[OFW_PCI_NUM_CS];
141 bus_space_tag_t sc_pci_cfgt;
142 bus_space_tag_t sc_pci_iot;
143 bus_dma_tag_t sc_pci_dmat;
144
145 struct ofw_bus_iinfo sc_pci_iinfo;
146
147 phandle_t sc_node;
148
149 uint8_t sc_pci_secbus;
150 uint8_t sc_pci_subbus;
151 };
152
153 int ofw_pci_attach_common(device_t dev, bus_dma_tag_t dmat, u_long iosize,
154 u_long memsize);
155 uint32_t ofw_pci_read_config_common(device_t dev, u_int regmax, u_long offset,
156 u_int bus, u_int slot, u_int func, u_int reg, int width);
157 void ofw_pci_write_config_common(device_t dev, u_int regmax, u_long offset,
158 u_int bus, u_int slot, u_int func, u_int reg, uint32_t val, int width);
159 ofw_pci_intr_t ofw_pci_route_interrupt_common(device_t bridge, device_t dev,
160 int pin);
161
162 void ofw_pci_dmamap_sync_stst_order_common(void);
163
164 bus_activate_resource_t ofw_pci_activate_resource;
165 bus_adjust_resource_t ofw_pci_adjust_resource;
166 bus_alloc_resource_t ofw_pci_alloc_resource;
167 bus_get_dma_tag_t ofw_pci_get_dma_tag;
168 bus_read_ivar_t ofw_pci_read_ivar;
169
170 ofw_bus_get_node_t ofw_pci_get_node;
171
172 #endif /* ! _SPARC64_PCI_OFW_PCI_H_ */
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