2 * Copyright (C) 2016 Cavium Inc.
5 * Developed by Semihalf.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 #include "opt_platform.h"
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/malloc.h>
34 #include <sys/types.h>
35 #include <sys/sysctl.h>
36 #include <sys/kernel.h>
38 #include <sys/module.h>
40 #include <sys/endian.h>
41 #include <sys/cpuset.h>
43 #include <dev/ofw/openfirm.h>
44 #include <dev/ofw/ofw_bus.h>
45 #include <dev/ofw/ofw_bus_subr.h>
47 #include <dev/pci/pcivar.h>
48 #include <dev/pci/pcireg.h>
49 #include <dev/pci/pcib_private.h>
50 #include <dev/pci/pci_host_generic.h>
52 #include <machine/intr.h>
54 #include "thunder_pcie_common.h"
55 #include "thunder_pcie_pem.h"
59 static int thunder_pem_fdt_probe(device_t);
60 static int thunder_pem_fdt_alloc_msix(device_t, device_t, int *);
61 static int thunder_pem_fdt_release_msix(device_t, device_t, int);
62 static int thunder_pem_fdt_alloc_msi(device_t, device_t, int, int, int *);
63 static int thunder_pem_fdt_release_msi(device_t, device_t, int, int *);
64 static int thunder_pem_fdt_map_msi(device_t, device_t, int, uint64_t *,
66 static int thunder_pem_fdt_get_id(device_t, device_t, enum pci_id_type,
69 static device_method_t thunder_pem_fdt_methods[] = {
70 /* Device interface */
71 DEVMETHOD(device_probe, thunder_pem_fdt_probe),
74 DEVMETHOD(pcib_alloc_msix, thunder_pem_fdt_alloc_msix),
75 DEVMETHOD(pcib_release_msix, thunder_pem_fdt_release_msix),
76 DEVMETHOD(pcib_alloc_msi, thunder_pem_fdt_alloc_msi),
77 DEVMETHOD(pcib_release_msi, thunder_pem_fdt_release_msi),
78 DEVMETHOD(pcib_map_msi, thunder_pem_fdt_map_msi),
79 DEVMETHOD(pcib_get_id, thunder_pem_fdt_get_id),
85 DEFINE_CLASS_1(pcib, thunder_pem_fdt_driver, thunder_pem_fdt_methods,
86 sizeof(struct thunder_pem_softc), thunder_pem_driver);
88 DRIVER_MODULE(thunder_pem, simplebus, thunder_pem_fdt_driver, 0, 0);
89 DRIVER_MODULE(thunder_pem, ofwbus, thunder_pem_fdt_driver, 0, 0);
92 thunder_pem_fdt_probe(device_t dev)
95 if (!ofw_bus_status_okay(dev))
98 if (ofw_bus_is_compatible(dev, "cavium,pci-host-thunder-pem")) {
99 device_set_desc(dev, THUNDER_PEM_DESC);
100 return (BUS_PROBE_DEFAULT);
107 thunder_pem_fdt_alloc_msi(device_t pci, device_t child, int count, int maxcount,
110 phandle_t msi_parent;
113 err = ofw_bus_msimap(ofw_bus_get_node(pci), pci_get_rid(child),
117 return (intr_alloc_msi(pci, child, msi_parent, count, maxcount,
122 thunder_pem_fdt_release_msi(device_t pci, device_t child, int count, int *irqs)
124 phandle_t msi_parent;
127 err = ofw_bus_msimap(ofw_bus_get_node(pci), pci_get_rid(child),
131 return (intr_release_msi(pci, child, msi_parent, count, irqs));
135 thunder_pem_fdt_alloc_msix(device_t pci, device_t child, int *irq)
137 phandle_t msi_parent;
140 err = ofw_bus_msimap(ofw_bus_get_node(pci), pci_get_rid(child),
144 return (intr_alloc_msix(pci, child, msi_parent, irq));
148 thunder_pem_fdt_release_msix(device_t pci, device_t child, int irq)
150 phandle_t msi_parent;
153 err = ofw_bus_msimap(ofw_bus_get_node(pci), pci_get_rid(child),
157 return (intr_release_msix(pci, child, msi_parent, irq));
161 thunder_pem_fdt_map_msi(device_t pci, device_t child, int irq, uint64_t *addr,
164 phandle_t msi_parent;
167 err = ofw_bus_msimap(ofw_bus_get_node(pci), pci_get_rid(child),
171 return (intr_map_msi(pci, child, msi_parent, irq, addr, data));
175 thunder_pem_fdt_get_id(device_t dev, device_t child, enum pci_id_type type,
183 if (type != PCI_ID_MSI)
184 return (pcib_get_id(dev, child, type, id));
186 node = ofw_bus_get_node(dev);
187 pci_rid = pci_get_rid(child);
189 err = ofw_bus_msimap(node, pci_rid, NULL, &rid);