1 /* $NetBSD: rbus_machdep.c,v 1.10 2019/01/29 22:59:03 gutteridge Exp $ */
2
3 /*
4 * Copyright (c) 2003
5 * KIYOHARA Takashi. 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 ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29
30 #include <sys/param.h>
31 #include <sys/device.h>
32 #include <sys/systm.h>
33 #include <sys/extent.h>
34 #include <sys/bus.h>
35
36
37 #include <uvm/uvm_extern.h>
38
39 #include <dev/pci/pcivar.h>
40 #include <dev/pci/pcidevs.h>
41 #include <dev/cardbus/rbus.h>
42
43 #include <uvm/uvm_extern.h>
44
45 #include "opt_pci.h"
46
47 #ifndef PCI_NETBSD_CONFIGURE
48 #error requires macro PCI_NETBSD_CONFIGURE
49 #endif
50
51 #ifdef RBUS_DEBUG
52 # define DPRINTF printf
53 #else
54 # define DPRINTF while (0) printf
55 #endif
56
57 int
md_space_map(bus_space_tag_t t,bus_addr_t bpa,bus_size_t size,int flags,bus_space_handle_t * bshp)58 md_space_map(bus_space_tag_t t, bus_addr_t bpa, bus_size_t size, int flags, bus_space_handle_t *bshp)
59 {
60 DPRINTF("md_space_map: 0x%x, 0x%x, 0x%x\n", t->pbs_base, bpa, size);
61
62 return bus_space_map(t, bpa, size, flags, bshp);
63 }
64
65 void
md_space_unmap(bus_space_tag_t t,bus_space_handle_t bsh,bus_size_t size,bus_addr_t * adrp)66 md_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t size, bus_addr_t *adrp)
67 {
68 paddr_t pa;
69
70 DPRINTF("md_space_unmap: 0x%x 0x%x\n", t->pbs_base, bsh);
71
72 if (adrp != NULL) {
73 pmap_extract(pmap_kernel(), bsh, &pa);
74 *adrp = pa - t->pbs_offset;
75 }
76 bus_space_unmap(t, bsh, size);
77 }
78
79 rbus_tag_t
rbus_pccbb_parent_mem(struct pci_attach_args * pa)80 rbus_pccbb_parent_mem(struct pci_attach_args *pa)
81 {
82 bus_space_tag_t bst = pa->pa_memt;
83
84 return rbus_new_root_delegate(bst, bst->pbs_base,
85 bst->pbs_limit - bst->pbs_base, 0);
86 }
87
88 rbus_tag_t
rbus_pccbb_parent_io(struct pci_attach_args * pa)89 rbus_pccbb_parent_io(struct pci_attach_args *pa)
90 {
91 bus_space_tag_t bst = pa->pa_iot;
92
93 return rbus_new_root_delegate(bst, bst->pbs_base,
94 bst->pbs_limit - bst->pbs_base, 0);
95 }
96