2 * Copyright (c) 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>
36 #include <sys/module.h>
37 #include <sys/mutex.h>
40 #include <sys/sched.h>
42 #include <machine/bus.h>
43 #include <machine/tlb.h>
45 #include <dev/ofw/ofw_bus.h>
46 #include <dev/ofw/ofw_bus_subr.h>
48 #include <powerpc/mpc85xx/mpc85xx.h>
53 extern e_RxStoreResponse qman_received_frame_callback(t_Handle, t_Handle,
54 t_Handle, uint32_t, t_DpaaFD *);
55 extern e_RxStoreResponse qman_rejected_frame_callback(t_Handle, t_Handle,
56 t_Handle, uint32_t, t_DpaaFD *, t_QmRejectedFrameInfo *);
58 t_Handle qman_portal_setup(struct qman_softc *);
60 struct dpaa_portals_softc *qp_sc;
63 qman_portals_attach(device_t dev)
65 struct dpaa_portals_softc *sc;
67 sc = qp_sc = device_get_softc(dev);
69 /* Map bman portal to physical address space */
70 if (law_enable(OCP85XX_TGTIF_QMAN, sc->sc_dp_pa, sc->sc_dp_size)) {
71 qman_portals_detach(dev);
74 /* Set portal properties for XX_VirtToPhys() */
75 XX_PortalSetInfo(dev);
77 return (bus_generic_attach(dev));
81 qman_portals_detach(device_t dev)
83 struct dpaa_portals_softc *sc;
87 sc = device_get_softc(dev);
89 for (i = 0; i < ARRAY_SIZE(sc->sc_dp); i++) {
90 if (sc->sc_dp[i].dp_ph != NULL) {
91 thread_lock(curthread);
92 sched_bind(curthread, i);
93 thread_unlock(curthread);
95 QM_PORTAL_Free(sc->sc_dp[i].dp_ph);
97 thread_lock(curthread);
98 sched_unbind(curthread);
99 thread_unlock(curthread);
102 if (sc->sc_dp[i].dp_ires != NULL) {
103 XX_DeallocIntr((uintptr_t)sc->sc_dp[i].dp_ires);
104 bus_release_resource(dev, SYS_RES_IRQ,
105 sc->sc_dp[i].dp_irid, sc->sc_dp[i].dp_ires);
108 for (i = 0; i < ARRAY_SIZE(sc->sc_rres); i++) {
109 if (sc->sc_rres[i] != NULL)
110 bus_release_resource(dev, SYS_RES_MEMORY,
119 qman_portal_setup(struct qman_softc *qsc)
121 struct dpaa_portals_softc *sc;
127 /* Return NULL if we're not ready or while detach */
135 cpu = PCPU_GET(cpuid);
137 /* Check if portal is ready */
138 while (atomic_cmpset_acq_ptr((uintptr_t *)&sc->sc_dp[cpu].dp_ph,
140 p = atomic_load_acq_ptr((uintptr_t *)&sc->sc_dp[cpu].dp_ph);
142 /* Return if portal is already initialized */
143 if (p != 0 && p != -1) {
145 return ((t_Handle)p);
148 /* Not inititialized and "owned" by another thread */
149 thread_lock(curthread);
150 mi_switch(SW_VOL, NULL);
151 thread_unlock(curthread);
154 /* Map portal registers */
155 dpaa_portal_map_registers(sc);
157 /* Configure and initialize portal */
158 qpp.ceBaseAddress = rman_get_bushandle(sc->sc_rres[0]);
159 qpp.ciBaseAddress = rman_get_bushandle(sc->sc_rres[1]);
160 qpp.h_Qm = qsc->sc_qh;
161 qpp.swPortalId = cpu;
162 qpp.irq = (uintptr_t)sc->sc_dp[cpu].dp_ires;
163 qpp.fdLiodnOffset = 0;
164 qpp.f_DfltFrame = qman_received_frame_callback;
165 qpp.f_RejectedFrame = qman_rejected_frame_callback;
168 portal = QM_PORTAL_Config(&qpp);
172 if (QM_PORTAL_Init(portal) != E_OK)
175 if (QM_PORTAL_AddPoolChannel(portal, QMAN_COMMON_POOL_CHANNEL) != E_OK)
178 atomic_store_rel_ptr((uintptr_t *)&sc->sc_dp[cpu].dp_ph,
186 QM_PORTAL_Free(portal);
188 atomic_store_rel_32((uint32_t *)&sc->sc_dp[cpu].dp_ph, 0);