rbus_machdep.c revision 1.6 1 /* $NetBSD: rbus_machdep.c,v 1.6 2011/01/18 01:08:55 matt 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
34 #include <sys/extent.h>
35
36 #include <uvm/uvm_extern.h>
37
38 #include <machine/bus.h>
39
40 #include <dev/pci/pcivar.h>
41 #include <dev/pci/pcidevs.h>
42 #include <dev/cardbus/rbus.h>
43
44 #include <uvm/uvm_extern.h>
45
46 #include "opt_pci.h"
47
48 #ifndef PCI_NETBSD_CONFIGURE
49 #error requird macro PCI_NETBSD_CONFIGURE
50 #endif
51
52 #ifdef RBUS_DEBUG
53 # define DPRINTF printf
54 #else
55 # define DPRINTF while (0) printf
56 #endif
57
58 int
59 md_space_map(bus_space_tag_t t, bus_addr_t bpa, bus_size_t size, int flags, bus_space_handle_t *bshp)
60 {
61 DPRINTF("md_space_map: 0x%x, 0x%x, 0x%x\n", t->pbs_base, bpa, size);
62
63 return bus_space_map(t, bpa, size, flags, bshp);
64 }
65
66 void
67 md_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t size, bus_addr_t *adrp)
68 {
69 paddr_t pa;
70
71 DPRINTF("md_space_unmap: 0x%x 0x%x\n", t->pbs_base, bsh);
72
73 if (adrp != NULL) {
74 pmap_extract(pmap_kernel(), bsh, &pa);
75 *adrp = pa - t->pbs_offset;
76 }
77 bus_space_unmap(t, bsh, size);
78 }
79
80 rbus_tag_t
81 rbus_pccbb_parent_mem(struct pci_attach_args *pa)
82 {
83 bus_addr_t start;
84 bus_size_t size;
85 pci_chipset_tag_t pc = pa->pa_pc;
86 struct extent *ex = pc->memext;
87
88 start = ex->ex_start;
89 size = ex->ex_end - start;
90
91 return rbus_new_root_share(pa->pa_memt, ex, start, size, 0);
92 }
93
94 rbus_tag_t
95 rbus_pccbb_parent_io(struct pci_attach_args *pa)
96 {
97 bus_addr_t start;
98 bus_size_t size;
99 pci_chipset_tag_t pc = pa->pa_pc;
100 struct extent *ex = pc->ioext;
101
102 start = ex->ex_start;
103 size = ex->ex_end - start;
104
105 return rbus_new_root_share(pa->pa_iot, ex, start, size, 0);
106 }
107