2 * Copyright (c) 2011-2012 Semihalf.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include "opt_platform.h"
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
35 #include <sys/module.h>
38 #include <machine/bus.h>
40 #include <dev/ofw/ofw_bus.h>
41 #include <dev/ofw/ofw_bus_subr.h>
42 #include <dev/ofw/ofw_subr.h>
47 #define FQMAN_DEVSTR "Freescale Queue Manager"
49 static int qman_fdt_probe(device_t);
51 static device_method_t qman_methods[] = {
52 /* Device interface */
53 DEVMETHOD(device_probe, qman_fdt_probe),
54 DEVMETHOD(device_attach, qman_attach),
55 DEVMETHOD(device_detach, qman_detach),
57 DEVMETHOD(device_suspend, qman_suspend),
58 DEVMETHOD(device_resume, qman_resume),
59 DEVMETHOD(device_shutdown, qman_shutdown),
64 static driver_t qman_driver = {
67 sizeof(struct qman_softc),
70 static devclass_t qman_devclass;
71 EARLY_DRIVER_MODULE(qman, simplebus, qman_driver, qman_devclass, 0, 0,
75 qman_fdt_probe(device_t dev)
78 if (!ofw_bus_is_compatible(dev, "fsl,qman"))
81 device_set_desc(dev, FQMAN_DEVSTR);
83 return (BUS_PROBE_DEFAULT);
89 #define QMAN_PORT_DEVSTR "Freescale Queue Manager - Portals"
91 static device_probe_t qman_portals_fdt_probe;
92 static device_attach_t qman_portals_fdt_attach;
94 static device_method_t qm_portals_methods[] = {
95 /* Device interface */
96 DEVMETHOD(device_probe, qman_portals_fdt_probe),
97 DEVMETHOD(device_attach, qman_portals_fdt_attach),
98 DEVMETHOD(device_detach, qman_portals_detach),
103 static driver_t qm_portals_driver = {
106 sizeof(struct dpaa_portals_softc),
109 static devclass_t qm_portals_devclass;
110 EARLY_DRIVER_MODULE(qman_portals, ofwbus, qm_portals_driver,
111 qm_portals_devclass, 0, 0, BUS_PASS_BUS);
114 get_addr_props(phandle_t node, uint32_t *addrp, uint32_t *sizep)
119 OF_getencprop(node, "#address-cells", addrp, sizeof(*addrp));
120 OF_getencprop(node, "#size-cells", sizep, sizeof(*sizep));
124 qman_portals_fdt_probe(device_t dev)
128 if (ofw_bus_is_compatible(dev, "simple-bus")) {
129 node = ofw_bus_get_node(dev);
130 for (node = OF_child(node); node > 0; node = OF_peer(node)) {
131 if (ofw_bus_node_is_compatible(node, "fsl,qman-portal"))
136 } else if (!ofw_bus_is_compatible(dev, "fsl,qman-portals"))
139 device_set_desc(dev, QMAN_PORT_DEVSTR);
141 return (BUS_PROBE_DEFAULT);
145 qman_portal_find_cpu(int cpu)
150 node = OF_finddevice("/cpus");
154 for (node = OF_child(node); node != 0; node = OF_peer(node)) {
155 if (OF_getprop(node, "reg", ®, sizeof(reg)) <= 0)
164 qman_portals_fdt_attach(device_t dev)
166 struct dpaa_portals_softc *sc;
167 phandle_t node, child, cpu_node;
168 vm_paddr_t portal_pa, portal_par_pa;
169 vm_size_t portal_size;
170 uint32_t addr, paddr, size;
172 int cpu_num, cpus, intr_rid;
173 struct dpaa_portals_devinfo di;
174 struct ofw_bus_devinfo ofw_di = {};
180 sc = device_get_softc(dev);
183 node = ofw_bus_get_node(dev);
185 /* Get this node's range */
186 get_addr_props(ofw_bus_get_node(device_get_parent(dev)), &paddr, &size);
187 get_addr_props(node, &addr, &size);
189 nrange = OF_getencprop_alloc_multi(node, "ranges",
190 sizeof(*range), (void **)&range);
191 if (nrange < addr + paddr + size)
193 portal_pa = portal_par_pa = 0;
195 for (i = 0; i < addr; i++) {
197 portal_pa |= range[i];
199 for (; i < paddr + addr; i++) {
200 portal_par_pa <<= 32;
201 portal_par_pa |= range[i];
203 portal_pa += portal_par_pa;
204 for (; i < size + paddr + addr; i++) {
205 portal_size = (uintmax_t)portal_size << 32;
206 portal_size |= range[i];
209 sc->sc_dp_size = portal_size;
210 sc->sc_dp_pa = portal_pa;
212 /* Find portals tied to CPUs */
213 for (child = OF_child(node); child != 0; child = OF_peer(child)) {
214 if (cpus >= mp_ncpus)
216 if (!ofw_bus_node_is_compatible(child, "fsl,qman-portal")) {
219 /* Checkout related cpu */
220 if (OF_getprop(child, "cpu-handle", (void *)&cpu,
222 cpu = qman_portal_find_cpu(cpus);
226 /* Acquire cpu number */
227 cpu_node = OF_instance_to_package(cpu);
228 if (OF_getencprop(cpu_node, "reg", &cpu_num, sizeof(cpu_num)) <= 0) {
229 device_printf(dev, "Could not retrieve CPU number.\n");
235 if (ofw_bus_gen_setup_devinfo(&ofw_di, child) != 0) {
236 device_printf(dev, "could not set up devinfo\n");
240 resource_list_init(&di.di_res);
241 if (ofw_bus_reg_to_rl(dev, child, addr, size, &di.di_res)) {
242 device_printf(dev, "%s: could not process 'reg' "
243 "property\n", ofw_di.obd_name);
244 ofw_bus_gen_destroy_devinfo(&ofw_di);
247 if (ofw_bus_intr_to_rl(dev, child, &di.di_res, &intr_rid)) {
248 device_printf(dev, "%s: could not process "
249 "'interrupts' property\n", ofw_di.obd_name);
250 resource_list_free(&di.di_res);
251 ofw_bus_gen_destroy_devinfo(&ofw_di);
254 di.di_intr_rid = intr_rid;
256 if (dpaa_portal_alloc_res(dev, &di, cpu_num))
260 ofw_bus_gen_destroy_devinfo(&ofw_di);
262 return (qman_portals_attach(dev));
264 resource_list_free(&di.di_res);
265 ofw_bus_gen_destroy_devinfo(&ofw_di);
266 qman_portals_detach(dev);