2 * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org>
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 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
31 #include "opt_platform.h"
33 #include <sys/param.h>
34 #include <sys/module.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
39 #include <sys/endian.h>
40 #include <sys/malloc.h>
42 #include <sys/mutex.h>
45 #include <machine/bus.h>
46 #include <machine/resource.h>
48 #include <dev/ahci/ahci.h>
51 #include <contrib/dev/acpica/include/acpi.h>
52 #include <dev/acpica/acpivar.h>
54 #include <dev/pci/pcivar.h>
55 #include <dev/pci/pcireg.h>
59 #include <dev/ofw/ofw_bus.h>
60 #include <dev/ofw/ofw_bus_subr.h>
62 static struct ofw_compat_data compat_data[] = {
65 {"marvell,armada-3700-ahci", 1},
70 ahci_fdt_probe(device_t dev)
72 struct ahci_controller *ctlr = device_get_softc(dev);
75 if (!ofw_bus_status_okay(dev))
78 if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data)
81 device_set_desc_copy(dev, "AHCI SATA controller");
82 node = ofw_bus_get_node(dev);
83 ctlr->dma_coherent = OF_hasprop(node, "dma-coherent");
84 return (BUS_PROBE_DEFAULT);
90 ahci_acpi_probe(device_t dev)
92 struct ahci_controller *ctlr = device_get_softc(dev);
95 if ((h = acpi_get_handle(dev)) == NULL)
98 if (pci_get_class(dev) == PCIC_STORAGE &&
99 pci_get_subclass(dev) == PCIS_STORAGE_SATA &&
100 pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0) {
101 device_set_desc_copy(dev, "AHCI SATA controller");
102 if (ACPI_FAILURE(acpi_GetInteger(h, "_CCA",
103 &ctlr->dma_coherent)))
104 ctlr->dma_coherent = 0;
106 device_printf(dev, "Bus is%s cache-coherent\n",
107 ctlr->dma_coherent ? "" : " not");
108 return (BUS_PROBE_DEFAULT);
116 ahci_gen_ctlr_reset(device_t dev)
119 return ahci_ctlr_reset(dev);
123 ahci_gen_attach(device_t dev)
125 struct ahci_controller *ctlr = device_get_softc(dev);
129 ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ctlr->r_rid,
131 if (ctlr->r_mem == NULL)
134 /* Setup controller defaults. */
137 /* Reset controller */
138 if ((error = ahci_gen_ctlr_reset(dev)) == 0)
139 error = ahci_attach(dev);
142 if (ctlr->r_mem != NULL)
143 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid,
150 ahci_gen_detach(device_t dev)
158 static devclass_t ahci_gen_fdt_devclass;
159 static device_method_t ahci_fdt_methods[] = {
160 DEVMETHOD(device_probe, ahci_fdt_probe),
161 DEVMETHOD(device_attach, ahci_gen_attach),
162 DEVMETHOD(device_detach, ahci_gen_detach),
163 DEVMETHOD(bus_print_child, ahci_print_child),
164 DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
165 DEVMETHOD(bus_release_resource, ahci_release_resource),
166 DEVMETHOD(bus_setup_intr, ahci_setup_intr),
167 DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
168 DEVMETHOD(bus_child_location_str, ahci_child_location_str),
169 DEVMETHOD(bus_get_dma_tag, ahci_get_dma_tag),
172 static driver_t ahci_fdt_driver = {
175 sizeof(struct ahci_controller)
177 DRIVER_MODULE(ahci_fdt, simplebus, ahci_fdt_driver, ahci_gen_fdt_devclass,
182 static devclass_t ahci_gen_acpi_devclass;
183 static device_method_t ahci_acpi_methods[] = {
184 DEVMETHOD(device_probe, ahci_acpi_probe),
185 DEVMETHOD(device_attach, ahci_gen_attach),
186 DEVMETHOD(device_detach, ahci_gen_detach),
187 DEVMETHOD(bus_print_child, ahci_print_child),
188 DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
189 DEVMETHOD(bus_release_resource, ahci_release_resource),
190 DEVMETHOD(bus_setup_intr, ahci_setup_intr),
191 DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
192 DEVMETHOD(bus_child_location_str, ahci_child_location_str),
193 DEVMETHOD(bus_get_dma_tag, ahci_get_dma_tag),
196 static driver_t ahci_acpi_driver = {
199 sizeof(struct ahci_controller)
201 DRIVER_MODULE(ahci_acpi, acpi, ahci_acpi_driver, ahci_gen_acpi_devclass,