1 /* $NetBSD: ffb_mainbus.c,v 1.15 2018/09/03 16:29:27 riastradh Exp $ */
2 /* $OpenBSD: creator_mainbus.c,v 1.4 2002/07/26 16:39:04 jason Exp $ */
3
4 /*
5 * Copyright (c) 2002 Jason L. Wright (jason@thought.net),
6 * Federico G. Schwindt (fgsch@openbsd.org)
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Jason L. Wright
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: ffb_mainbus.c,v 1.15 2018/09/03 16:29:27 riastradh Exp $");
38
39 #include <sys/types.h>
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/device.h>
44
45 #include <sys/bus.h>
46 #include <machine/autoconf.h>
47 #include <machine/openfirm.h>
48
49 #include <dev/wscons/wsconsio.h>
50 #include <dev/sun/fbio.h>
51 #include <dev/sun/fbvar.h>
52
53 #include <sparc64/dev/ffbreg.h>
54 #include <sparc64/dev/ffbvar.h>
55
56 extern int prom_stdout_node;
57
58 int ffb_mainbus_match(device_t, cfdata_t, void *);
59 void ffb_mainbus_attach(device_t, device_t, void *);
60
61 CFATTACH_DECL_NEW(ffb_mainbus, sizeof(struct ffb_softc),
62 ffb_mainbus_match, ffb_mainbus_attach, NULL, NULL);
63
64 int
ffb_mainbus_match(device_t parent,cfdata_t match,void * aux)65 ffb_mainbus_match(device_t parent, cfdata_t match, void *aux)
66 {
67 struct mainbus_attach_args *ma = aux;
68
69 if (strcmp(ma->ma_name, "SUNW,ffb") == 0 ||
70 strcmp(ma->ma_name, "SUNW,afb") == 0)
71 return 1;
72 return 0;
73 }
74
75 void
ffb_mainbus_attach(device_t parent,device_t self,void * aux)76 ffb_mainbus_attach(device_t parent, device_t self, void *aux)
77 {
78 struct ffb_softc *sc = device_private(self);
79 struct mainbus_attach_args *ma = aux;
80 int i, nregs;
81
82 sc->sc_dev = self;
83 sc->sc_bt = ma->ma_bustag;
84
85 nregs = uimin(ma->ma_nreg, FFB_NREGS);
86
87 if (nregs < FFB_REG_DFB24) {
88 printf(": no dfb24 regs found\n");
89 goto fail1;
90 }
91
92
93 if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_FBC].ur_paddr,
94 ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) {
95 printf(": failed to map fbc\n");
96 goto fail1;
97 }
98
99 if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DAC].ur_paddr,
100 ma->ma_reg[FFB_REG_DAC].ur_len, 0, &sc->sc_dac_h)) {
101 printf(": failed to map dac\n");
102 goto unmap_fbc;
103 }
104
105 if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_SFB32].ur_paddr,
106 ma->ma_reg[FFB_REG_SFB32].ur_len,
107 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE,
108 &sc->sc_sfb32_h)) {
109 panic(": failed to map SFB32\n");
110 goto unmap_dac;
111 }
112 sc->sc_sfb32 = bus_space_vaddr(sc->sc_bt, sc->sc_sfb32_h);
113
114 for (i = 0; i < nregs; i++) {
115 sc->sc_addrs[i] = ma->ma_reg[i].ur_paddr;
116 sc->sc_sizes[i] = ma->ma_reg[i].ur_len;
117 }
118 sc->sc_nreg = nregs;
119
120 sc->sc_console = (prom_stdout_node == ma->ma_node);
121 sc->sc_node = ma->ma_node;
122
123 if (strcmp(ma->ma_name, "SUNW,afb") == 0)
124 sc->sc_type = FFB_AFB;
125
126 ffb_attach(self);
127
128 return;
129
130 unmap_dac:
131 bus_space_unmap(sc->sc_bt, sc->sc_dac_h,
132 ma->ma_reg[FFB_REG_DAC].ur_len);
133
134 unmap_fbc:
135 bus_space_unmap(sc->sc_bt, sc->sc_fbc_h,
136 ma->ma_reg[FFB_REG_FBC].ur_len);
137 fail1:
138 return;
139 }
140