2647410d05
in some arm64 hardware, for example the AMD Opteron A1100. Reviewed by: mav Obtained from: ABT Systems Ltd Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D8852
192 lines
5.1 KiB
C
192 lines
5.1 KiB
C
/*-
|
|
* Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer,
|
|
* without modification, immediately at the beginning of the file.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include "opt_acpi.h"
|
|
#include "opt_platform.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/module.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/endian.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/resource.h>
|
|
|
|
#include <dev/ahci/ahci.h>
|
|
|
|
#ifdef DEV_ACPI
|
|
#include <contrib/dev/acpica/include/acpi.h>
|
|
#include <dev/acpica/acpivar.h>
|
|
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pcireg.h>
|
|
#endif
|
|
|
|
#ifdef FDT
|
|
#include <dev/ofw/ofw_bus.h>
|
|
#include <dev/ofw/ofw_bus_subr.h>
|
|
|
|
static struct ofw_compat_data compat_data[] = {
|
|
{"generic-ahci", 1},
|
|
{"snps,dwc-ahci", 1},
|
|
{NULL, 0}
|
|
};
|
|
|
|
static int
|
|
ahci_fdt_probe(device_t dev)
|
|
{
|
|
|
|
if (!ofw_bus_status_okay(dev))
|
|
return (ENXIO);
|
|
|
|
if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data)
|
|
return (ENXIO);
|
|
|
|
device_set_desc_copy(dev, "AHCI SATA controller");
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
#endif
|
|
|
|
#ifdef DEV_ACPI
|
|
static int
|
|
ahci_acpi_probe(device_t dev)
|
|
{
|
|
ACPI_HANDLE h;
|
|
|
|
if ((h = acpi_get_handle(dev)) == NULL)
|
|
return (ENXIO);
|
|
|
|
if (pci_get_class(dev) == PCIC_STORAGE &&
|
|
pci_get_subclass(dev) == PCIS_STORAGE_SATA &&
|
|
pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0) {
|
|
device_set_desc_copy(dev, "AHCI SATA controller");
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
|
|
return (ENXIO);
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
ahci_gen_ctlr_reset(device_t dev)
|
|
{
|
|
|
|
return ahci_ctlr_reset(dev);
|
|
}
|
|
|
|
static int
|
|
ahci_gen_attach(device_t dev)
|
|
{
|
|
struct ahci_controller *ctlr = device_get_softc(dev);
|
|
int error;
|
|
|
|
ctlr->r_rid = 0;
|
|
ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ctlr->r_rid,
|
|
RF_ACTIVE);
|
|
if (ctlr->r_mem == NULL)
|
|
return (ENXIO);
|
|
|
|
/* Setup controller defaults. */
|
|
ctlr->numirqs = 1;
|
|
|
|
/* Reset controller */
|
|
if ((error = ahci_gen_ctlr_reset(dev)) == 0)
|
|
error = ahci_attach(dev);
|
|
|
|
if (error != 0) {
|
|
if (ctlr->r_mem != NULL)
|
|
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid,
|
|
ctlr->r_mem);
|
|
}
|
|
return error;
|
|
}
|
|
|
|
static int
|
|
ahci_gen_detach(device_t dev)
|
|
{
|
|
|
|
ahci_detach(dev);
|
|
return (0);
|
|
}
|
|
|
|
#ifdef FDT
|
|
static devclass_t ahci_gen_fdt_devclass;
|
|
static device_method_t ahci_fdt_methods[] = {
|
|
DEVMETHOD(device_probe, ahci_fdt_probe),
|
|
DEVMETHOD(device_attach, ahci_gen_attach),
|
|
DEVMETHOD(device_detach, ahci_gen_detach),
|
|
DEVMETHOD(bus_print_child, ahci_print_child),
|
|
DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
|
|
DEVMETHOD(bus_release_resource, ahci_release_resource),
|
|
DEVMETHOD(bus_setup_intr, ahci_setup_intr),
|
|
DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
|
|
DEVMETHOD(bus_child_location_str, ahci_child_location_str),
|
|
DEVMETHOD(bus_get_dma_tag, ahci_get_dma_tag),
|
|
DEVMETHOD_END
|
|
};
|
|
static driver_t ahci_fdt_driver = {
|
|
"ahci",
|
|
ahci_fdt_methods,
|
|
sizeof(struct ahci_controller)
|
|
};
|
|
DRIVER_MODULE(ahci_fdt, simplebus, ahci_fdt_driver, ahci_gen_fdt_devclass,
|
|
NULL, NULL);
|
|
#endif
|
|
|
|
#ifdef DEV_ACPI
|
|
static devclass_t ahci_gen_acpi_devclass;
|
|
static device_method_t ahci_acpi_methods[] = {
|
|
DEVMETHOD(device_probe, ahci_acpi_probe),
|
|
DEVMETHOD(device_attach, ahci_gen_attach),
|
|
DEVMETHOD(device_detach, ahci_gen_detach),
|
|
DEVMETHOD(bus_print_child, ahci_print_child),
|
|
DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
|
|
DEVMETHOD(bus_release_resource, ahci_release_resource),
|
|
DEVMETHOD(bus_setup_intr, ahci_setup_intr),
|
|
DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
|
|
DEVMETHOD(bus_child_location_str, ahci_child_location_str),
|
|
DEVMETHOD(bus_get_dma_tag, ahci_get_dma_tag),
|
|
DEVMETHOD_END
|
|
};
|
|
static driver_t ahci_acpi_driver = {
|
|
"ahci",
|
|
ahci_acpi_methods,
|
|
sizeof(struct ahci_controller)
|
|
};
|
|
DRIVER_MODULE(ahci_acpi, acpi, ahci_acpi_driver, ahci_gen_acpi_devclass,
|
|
NULL, NULL);
|
|
#endif
|