1/*-
2 * Copyright (c) 2003 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2003 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
|
28__FBSDID("$FreeBSD: head/sys/sparc64/central/central.c 200815 2009-12-21 21:29:16Z marius $");
| 28__FBSDID("$FreeBSD: head/sys/sparc64/central/central.c 200874 2009-12-22 21:02:46Z marius $");
|
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/kernel.h>
34#include <sys/malloc.h>
35#include <sys/module.h>
36
37#include <dev/ofw/ofw_bus.h>
38#include <dev/ofw/ofw_bus_subr.h>
39#include <dev/ofw/openfirm.h>
40
41#include <machine/bus.h>
42#include <machine/resource.h>
43
44#include <sys/rman.h>
45
46#include <sparc64/sbus/ofw_sbus.h>
47
48struct central_devinfo {
49 struct ofw_bus_devinfo cdi_obdinfo;
50 struct resource_list cdi_rl;
51};
52
53struct central_softc {
54 int sc_nrange;
55 struct sbus_ranges *sc_ranges;
56};
57
58static device_probe_t central_probe;
59static device_attach_t central_attach;
60static bus_print_child_t central_print_child;
61static bus_probe_nomatch_t central_probe_nomatch;
62static bus_alloc_resource_t central_alloc_resource;
63static bus_get_resource_list_t central_get_resource_list;
64static ofw_bus_get_devinfo_t central_get_devinfo;
65
66static int central_print_res(struct central_devinfo *);
67
68static device_method_t central_methods[] = {
69 /* Device interface */
70 DEVMETHOD(device_probe, central_probe),
71 DEVMETHOD(device_attach, central_attach),
72 DEVMETHOD(device_shutdown, bus_generic_shutdown),
73 DEVMETHOD(device_suspend, bus_generic_suspend),
74 DEVMETHOD(device_resume, bus_generic_resume),
75
76 /* Bus interface */
77 DEVMETHOD(bus_print_child, central_print_child),
78 DEVMETHOD(bus_probe_nomatch, central_probe_nomatch),
79 DEVMETHOD(bus_alloc_resource, central_alloc_resource),
80 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
81 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
82 DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource),
83 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
84 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
85 DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource),
86 DEVMETHOD(bus_get_resource_list, central_get_resource_list),
87 DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
88
89 /* ofw_bus interface */
90 DEVMETHOD(ofw_bus_get_devinfo, central_get_devinfo),
91 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
92 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
93 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
94 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
95 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
96
97 KOBJMETHOD_END
98};
99
100static driver_t central_driver = {
101 "central",
102 central_methods,
103 sizeof(struct central_softc),
104};
105
106static devclass_t central_devclass;
107
| 29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/kernel.h>
34#include <sys/malloc.h>
35#include <sys/module.h>
36
37#include <dev/ofw/ofw_bus.h>
38#include <dev/ofw/ofw_bus_subr.h>
39#include <dev/ofw/openfirm.h>
40
41#include <machine/bus.h>
42#include <machine/resource.h>
43
44#include <sys/rman.h>
45
46#include <sparc64/sbus/ofw_sbus.h>
47
48struct central_devinfo {
49 struct ofw_bus_devinfo cdi_obdinfo;
50 struct resource_list cdi_rl;
51};
52
53struct central_softc {
54 int sc_nrange;
55 struct sbus_ranges *sc_ranges;
56};
57
58static device_probe_t central_probe;
59static device_attach_t central_attach;
60static bus_print_child_t central_print_child;
61static bus_probe_nomatch_t central_probe_nomatch;
62static bus_alloc_resource_t central_alloc_resource;
63static bus_get_resource_list_t central_get_resource_list;
64static ofw_bus_get_devinfo_t central_get_devinfo;
65
66static int central_print_res(struct central_devinfo *);
67
68static device_method_t central_methods[] = {
69 /* Device interface */
70 DEVMETHOD(device_probe, central_probe),
71 DEVMETHOD(device_attach, central_attach),
72 DEVMETHOD(device_shutdown, bus_generic_shutdown),
73 DEVMETHOD(device_suspend, bus_generic_suspend),
74 DEVMETHOD(device_resume, bus_generic_resume),
75
76 /* Bus interface */
77 DEVMETHOD(bus_print_child, central_print_child),
78 DEVMETHOD(bus_probe_nomatch, central_probe_nomatch),
79 DEVMETHOD(bus_alloc_resource, central_alloc_resource),
80 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
81 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
82 DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource),
83 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
84 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
85 DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource),
86 DEVMETHOD(bus_get_resource_list, central_get_resource_list),
87 DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
88
89 /* ofw_bus interface */
90 DEVMETHOD(ofw_bus_get_devinfo, central_get_devinfo),
91 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
92 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
93 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
94 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
95 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
96
97 KOBJMETHOD_END
98};
99
100static driver_t central_driver = {
101 "central",
102 central_methods,
103 sizeof(struct central_softc),
104};
105
106static devclass_t central_devclass;
107
|
108DRIVER_MODULE(central, nexus, central_driver, central_devclass, 0, 0);
| 108EARLY_DRIVER_MODULE(central, nexus, central_driver, central_devclass, 0, 0,
109 BUS_PASS_BUS);
|
109MODULE_DEPEND(fhc, nexus, 1, 1, 1);
110MODULE_VERSION(central, 1);
111
112static int
113central_probe(device_t dev)
114{
115
116 if (strcmp(ofw_bus_get_name(dev), "central") == 0) {
117 device_set_desc(dev, "central");
118 return (0);
119 }
120 return (ENXIO);
121}
122
123static int
124central_attach(device_t dev)
125{
126 struct central_devinfo *cdi;
127 struct sbus_regs *reg;
128 struct central_softc *sc;
129 phandle_t child;
130 phandle_t node;
131 device_t cdev;
132 int nreg;
133 int i;
134
135 sc = device_get_softc(dev);
136 node = ofw_bus_get_node(dev);
137
138 sc->sc_nrange = OF_getprop_alloc(node, "ranges",
139 sizeof(*sc->sc_ranges), (void **)&sc->sc_ranges);
140 if (sc->sc_nrange == -1) {
141 device_printf(dev, "can't get ranges\n");
142 return (ENXIO);
143 }
144
145 for (child = OF_child(node); child != 0; child = OF_peer(child)) {
146 cdi = malloc(sizeof(*cdi), M_DEVBUF, M_WAITOK | M_ZERO);
147 if (ofw_bus_gen_setup_devinfo(&cdi->cdi_obdinfo, child) != 0) {
148 free(cdi, M_DEVBUF);
149 continue;
150 }
151 nreg = OF_getprop_alloc(child, "reg", sizeof(*reg),
152 (void **)®);
153 if (nreg == -1) {
154 device_printf(dev, "<%s>: incomplete\n",
155 cdi->cdi_obdinfo.obd_name);
156 ofw_bus_gen_destroy_devinfo(&cdi->cdi_obdinfo);
157 free(cdi, M_DEVBUF);
158 continue;
159 }
160 resource_list_init(&cdi->cdi_rl);
161 for (i = 0; i < nreg; i++)
162 resource_list_add(&cdi->cdi_rl, SYS_RES_MEMORY, i,
163 reg[i].sbr_offset, reg[i].sbr_offset +
164 reg[i].sbr_size, reg[i].sbr_size);
165 free(reg, M_OFWPROP);
166 cdev = device_add_child(dev, NULL, -1);
167 if (cdev == NULL) {
168 device_printf(dev, "<%s>: device_add_child failed\n",
169 cdi->cdi_obdinfo.obd_name);
170 resource_list_free(&cdi->cdi_rl);
171 ofw_bus_gen_destroy_devinfo(&cdi->cdi_obdinfo);
172 free(cdi, M_DEVBUF);
173 continue;
174 }
175 device_set_ivars(cdev, cdi);
176 }
177
178 return (bus_generic_attach(dev));
179}
180
181static int
182central_print_child(device_t dev, device_t child)
183{
184 int rv;
185
186 rv = bus_print_child_header(dev, child);
187 rv += central_print_res(device_get_ivars(child));
188 rv += bus_print_child_footer(dev, child);
189 return (rv);
190}
191
192static void
193central_probe_nomatch(device_t dev, device_t child)
194{
195 const char *type;
196
197 device_printf(dev, "<%s>", ofw_bus_get_name(child));
198 central_print_res(device_get_ivars(child));
199 type = ofw_bus_get_type(child);
200 printf(" type %s (no driver attached)\n",
201 type != NULL ? type : "unknown");
202}
203
204static struct resource *
205central_alloc_resource(device_t bus, device_t child, int type, int *rid,
206 u_long start, u_long end, u_long count, u_int flags)
207{
208 struct resource_list *rl;
209 struct resource_list_entry *rle;
210 struct central_softc *sc;
211 struct resource *res;
212 bus_addr_t coffset;
213 bus_addr_t cend;
214 bus_addr_t phys;
215 int isdefault;
216 int passthrough;
217 int i;
218
219 isdefault = (start == 0UL && end == ~0UL);
220 passthrough = (device_get_parent(child) != bus);
221 res = NULL;
222 rle = NULL;
223 rl = BUS_GET_RESOURCE_LIST(bus, child);
224 sc = device_get_softc(bus);
225 switch (type) {
226 case SYS_RES_IRQ:
227 return (resource_list_alloc(rl, bus, child, type, rid, start,
228 end, count, flags));
229 case SYS_RES_MEMORY:
230 if (!passthrough) {
231 rle = resource_list_find(rl, type, *rid);
232 if (rle == NULL)
233 return (NULL);
234 if (rle->res != NULL)
235 panic("%s: resource entry is busy", __func__);
236 if (isdefault) {
237 start = rle->start;
238 count = ulmax(count, rle->count);
239 end = ulmax(rle->end, start + count - 1);
240 }
241 }
242 for (i = 0; i < sc->sc_nrange; i++) {
243 coffset = sc->sc_ranges[i].coffset;
244 cend = coffset + sc->sc_ranges[i].size - 1;
245 if (start >= coffset && end <= cend) {
246 start -= coffset;
247 end -= coffset;
248 phys = sc->sc_ranges[i].poffset |
249 ((bus_addr_t)sc->sc_ranges[i].pspace << 32);
250 res = bus_generic_alloc_resource(bus, child,
251 type, rid, phys + start, phys + end,
252 count, flags);
253 if (!passthrough)
254 rle->res = res;
255 break;
256 }
257 }
258 break;
259 }
260 return (res);
261}
262
263static struct resource_list *
264central_get_resource_list(device_t bus, device_t child)
265{
266 struct central_devinfo *cdi;
267
268 cdi = device_get_ivars(child);
269 return (&cdi->cdi_rl);
270}
271
272static const struct ofw_bus_devinfo *
273central_get_devinfo(device_t bus, device_t child)
274{
275 struct central_devinfo *cdi;
276
277 cdi = device_get_ivars(child);
278 return (&cdi->cdi_obdinfo);
279}
280
281static int
282central_print_res(struct central_devinfo *cdi)
283{
284
285 return (resource_list_print_type(&cdi->cdi_rl, "mem", SYS_RES_MEMORY,
286 "%#lx"));
287}
| 110MODULE_DEPEND(fhc, nexus, 1, 1, 1);
111MODULE_VERSION(central, 1);
112
113static int
114central_probe(device_t dev)
115{
116
117 if (strcmp(ofw_bus_get_name(dev), "central") == 0) {
118 device_set_desc(dev, "central");
119 return (0);
120 }
121 return (ENXIO);
122}
123
124static int
125central_attach(device_t dev)
126{
127 struct central_devinfo *cdi;
128 struct sbus_regs *reg;
129 struct central_softc *sc;
130 phandle_t child;
131 phandle_t node;
132 device_t cdev;
133 int nreg;
134 int i;
135
136 sc = device_get_softc(dev);
137 node = ofw_bus_get_node(dev);
138
139 sc->sc_nrange = OF_getprop_alloc(node, "ranges",
140 sizeof(*sc->sc_ranges), (void **)&sc->sc_ranges);
141 if (sc->sc_nrange == -1) {
142 device_printf(dev, "can't get ranges\n");
143 return (ENXIO);
144 }
145
146 for (child = OF_child(node); child != 0; child = OF_peer(child)) {
147 cdi = malloc(sizeof(*cdi), M_DEVBUF, M_WAITOK | M_ZERO);
148 if (ofw_bus_gen_setup_devinfo(&cdi->cdi_obdinfo, child) != 0) {
149 free(cdi, M_DEVBUF);
150 continue;
151 }
152 nreg = OF_getprop_alloc(child, "reg", sizeof(*reg),
153 (void **)®);
154 if (nreg == -1) {
155 device_printf(dev, "<%s>: incomplete\n",
156 cdi->cdi_obdinfo.obd_name);
157 ofw_bus_gen_destroy_devinfo(&cdi->cdi_obdinfo);
158 free(cdi, M_DEVBUF);
159 continue;
160 }
161 resource_list_init(&cdi->cdi_rl);
162 for (i = 0; i < nreg; i++)
163 resource_list_add(&cdi->cdi_rl, SYS_RES_MEMORY, i,
164 reg[i].sbr_offset, reg[i].sbr_offset +
165 reg[i].sbr_size, reg[i].sbr_size);
166 free(reg, M_OFWPROP);
167 cdev = device_add_child(dev, NULL, -1);
168 if (cdev == NULL) {
169 device_printf(dev, "<%s>: device_add_child failed\n",
170 cdi->cdi_obdinfo.obd_name);
171 resource_list_free(&cdi->cdi_rl);
172 ofw_bus_gen_destroy_devinfo(&cdi->cdi_obdinfo);
173 free(cdi, M_DEVBUF);
174 continue;
175 }
176 device_set_ivars(cdev, cdi);
177 }
178
179 return (bus_generic_attach(dev));
180}
181
182static int
183central_print_child(device_t dev, device_t child)
184{
185 int rv;
186
187 rv = bus_print_child_header(dev, child);
188 rv += central_print_res(device_get_ivars(child));
189 rv += bus_print_child_footer(dev, child);
190 return (rv);
191}
192
193static void
194central_probe_nomatch(device_t dev, device_t child)
195{
196 const char *type;
197
198 device_printf(dev, "<%s>", ofw_bus_get_name(child));
199 central_print_res(device_get_ivars(child));
200 type = ofw_bus_get_type(child);
201 printf(" type %s (no driver attached)\n",
202 type != NULL ? type : "unknown");
203}
204
205static struct resource *
206central_alloc_resource(device_t bus, device_t child, int type, int *rid,
207 u_long start, u_long end, u_long count, u_int flags)
208{
209 struct resource_list *rl;
210 struct resource_list_entry *rle;
211 struct central_softc *sc;
212 struct resource *res;
213 bus_addr_t coffset;
214 bus_addr_t cend;
215 bus_addr_t phys;
216 int isdefault;
217 int passthrough;
218 int i;
219
220 isdefault = (start == 0UL && end == ~0UL);
221 passthrough = (device_get_parent(child) != bus);
222 res = NULL;
223 rle = NULL;
224 rl = BUS_GET_RESOURCE_LIST(bus, child);
225 sc = device_get_softc(bus);
226 switch (type) {
227 case SYS_RES_IRQ:
228 return (resource_list_alloc(rl, bus, child, type, rid, start,
229 end, count, flags));
230 case SYS_RES_MEMORY:
231 if (!passthrough) {
232 rle = resource_list_find(rl, type, *rid);
233 if (rle == NULL)
234 return (NULL);
235 if (rle->res != NULL)
236 panic("%s: resource entry is busy", __func__);
237 if (isdefault) {
238 start = rle->start;
239 count = ulmax(count, rle->count);
240 end = ulmax(rle->end, start + count - 1);
241 }
242 }
243 for (i = 0; i < sc->sc_nrange; i++) {
244 coffset = sc->sc_ranges[i].coffset;
245 cend = coffset + sc->sc_ranges[i].size - 1;
246 if (start >= coffset && end <= cend) {
247 start -= coffset;
248 end -= coffset;
249 phys = sc->sc_ranges[i].poffset |
250 ((bus_addr_t)sc->sc_ranges[i].pspace << 32);
251 res = bus_generic_alloc_resource(bus, child,
252 type, rid, phys + start, phys + end,
253 count, flags);
254 if (!passthrough)
255 rle->res = res;
256 break;
257 }
258 }
259 break;
260 }
261 return (res);
262}
263
264static struct resource_list *
265central_get_resource_list(device_t bus, device_t child)
266{
267 struct central_devinfo *cdi;
268
269 cdi = device_get_ivars(child);
270 return (&cdi->cdi_rl);
271}
272
273static const struct ofw_bus_devinfo *
274central_get_devinfo(device_t bus, device_t child)
275{
276 struct central_devinfo *cdi;
277
278 cdi = device_get_ivars(child);
279 return (&cdi->cdi_obdinfo);
280}
281
282static int
283central_print_res(struct central_devinfo *cdi)
284{
285
286 return (resource_list_print_type(&cdi->cdi_rl, "mem", SYS_RES_MEMORY,
287 "%#lx"));
288}
|