1 /* $NetBSD: apbus_subr.c,v 1.10 2018/09/30 06:14:23 tsutsui Exp $ */
2
3 /*-
4 * Copyright (C) 1999 SHIMIZU Ryo. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: apbus_subr.c,v 1.10 2018/09/30 06:14:23 tsutsui Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34
35 #include <uvm/uvm_extern.h>
36
37 #include <mips/locore.h>
38 #include <mips/pte.h>
39
40 #include <machine/wired_map.h>
41
42 #include <newsmips/apbus/apbusvar.h>
43
44 static void apctl_dump(struct apbus_ctl *);
45
46 #define APBUS_ROMWORK_VA 0xfff00000
47
48 void
apbus_map_romwork(void)49 apbus_map_romwork(void)
50 {
51 static bool mapped = false;
52 vaddr_t apbd_work_va;
53 vsize_t apbd_work_sz;
54 paddr_t apbd_work_pa;
55
56 if (!mapped) {
57 /* map PROM work RAM into VA 0xFFF00000 - 0xFFFFFFFF */
58 apbd_work_va = APBUS_ROMWORK_VA;
59 apbd_work_sz = MIPS3_PG_SIZE_MASK_TO_SIZE(MIPS3_PG_SIZE_1M);
60 apbd_work_pa = ctob(physmem);
61
62 mapped = mips3_wired_enter_page(apbd_work_va, apbd_work_pa,
63 apbd_work_sz);
64 if (!mapped) {
65 printf("%s: cannot allocate APbus PROM work\n",
66 __func__);
67 }
68 }
69 }
70
71 void *
apbus_device_to_hwaddr(struct apbus_dev * apbus_dev)72 apbus_device_to_hwaddr(struct apbus_dev *apbus_dev)
73 {
74 struct apbus_ctl *ctl;
75
76 if (apbus_dev == NULL)
77 return NULL;
78
79 ctl = apbus_dev->apbd_ctl;
80 if (ctl == NULL)
81 return NULL;
82
83 return (void *)ctl->apbc_hwbase;
84 }
85
86 struct apbus_dev *
apbus_lookupdev(char * devname)87 apbus_lookupdev(char *devname)
88 {
89 struct apbus_dev *dp;
90
91 dp = _sip->apbsi_dev;
92 if (devname == NULL || *devname == '\0')
93 return dp;
94
95 /* search apbus_dev named 'devname' */
96 while (dp) {
97 if (strcmp(devname, dp->apbd_name) == 0)
98 return dp;
99
100 dp = dp->apbd_link;
101 }
102
103 return NULL;
104 }
105
106 static void
apctl_dump(struct apbus_ctl * apctl)107 apctl_dump(struct apbus_ctl *apctl)
108 {
109 if (!apctl)
110 return;
111
112 printf(" apbus_ctl dump (%p)\n", apctl);
113
114 printf(" Num: %d\n", apctl->apbc_ctlno);
115 printf(" HWaddr: 0x%08x\n", apctl->apbc_hwbase);
116 printf(" softc: %p\n", apctl->apbc_softc);
117 printf(" Slot: %d\n", apctl->apbc_sl);
118 printf("\n");
119
120 if (apctl->apbc_link)
121 apctl_dump(apctl->apbc_link);
122 }
123
124 void
apdevice_dump(struct apbus_dev * apdev)125 apdevice_dump(struct apbus_dev *apdev)
126 {
127 struct apbus_ctl *apctl;
128
129 if (apdev == NULL)
130 return;
131
132 /* only no pseudo device */
133 apctl = apdev->apbd_ctl;
134 if (apctl == NULL || apctl->apbc_hwbase == 0)
135 return;
136
137 printf("apbus_dev dump (%p)\n", apdev);
138 printf("name: %s\n", apdev->apbd_name);
139 printf("vendor: %s\n", apdev->apbd_vendor);
140 printf("atr: %08x\n", apdev->apbd_atr);
141 printf("rev: %d\n", apdev->apbd_rev);
142 printf("driver: 0x%08x\n", (unsigned int)apdev->apbd_driver);
143 printf("ctl: 0x%08x\n", (unsigned int)apdev->apbd_ctl);
144 printf("link: 0x%08x\n", (unsigned int)apdev->apbd_link);
145 printf("\n");
146
147 apctl_dump(apctl);
148 }
149