184 lines
5.3 KiB
C
184 lines
5.3 KiB
C
/*
|
|
* Copyright (C) 2016 Cavium Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Developed by Semihalf.
|
|
*
|
|
* 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.
|
|
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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_platform.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/types.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/rman.h>
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/endian.h>
|
|
#include <sys/cpuset.h>
|
|
|
|
#include <dev/ofw/openfirm.h>
|
|
#include <dev/ofw/ofw_bus.h>
|
|
#include <dev/ofw/ofw_bus_subr.h>
|
|
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcib_private.h>
|
|
#include <dev/pci/pci_host_generic.h>
|
|
|
|
#include <machine/intr.h>
|
|
|
|
#include "thunder_pcie_common.h"
|
|
#include "thunder_pcie_pem.h"
|
|
|
|
#include "pcib_if.h"
|
|
|
|
static int thunder_pem_fdt_probe(device_t);
|
|
static int thunder_pem_fdt_alloc_msix(device_t, device_t, int *);
|
|
static int thunder_pem_fdt_release_msix(device_t, device_t, int);
|
|
static int thunder_pem_fdt_alloc_msi(device_t, device_t, int, int, int *);
|
|
static int thunder_pem_fdt_release_msi(device_t, device_t, int, int *);
|
|
static int thunder_pem_fdt_map_msi(device_t, device_t, int, uint64_t *,
|
|
uint32_t *);
|
|
static int thunder_pem_fdt_get_id(device_t, device_t, enum pci_id_type,
|
|
uintptr_t *);
|
|
|
|
static device_method_t thunder_pem_fdt_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, thunder_pem_fdt_probe),
|
|
|
|
/* pcib interface */
|
|
DEVMETHOD(pcib_alloc_msix, thunder_pem_fdt_alloc_msix),
|
|
DEVMETHOD(pcib_release_msix, thunder_pem_fdt_release_msix),
|
|
DEVMETHOD(pcib_alloc_msi, thunder_pem_fdt_alloc_msi),
|
|
DEVMETHOD(pcib_release_msi, thunder_pem_fdt_release_msi),
|
|
DEVMETHOD(pcib_map_msi, thunder_pem_fdt_map_msi),
|
|
DEVMETHOD(pcib_get_id, thunder_pem_fdt_get_id),
|
|
|
|
/* End */
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
DEFINE_CLASS_1(pcib, thunder_pem_fdt_driver, thunder_pem_fdt_methods,
|
|
sizeof(struct thunder_pem_softc), thunder_pem_driver);
|
|
|
|
static devclass_t thunder_pem_fdt_devclass;
|
|
|
|
DRIVER_MODULE(thunder_pem, simplebus, thunder_pem_fdt_driver,
|
|
thunder_pem_fdt_devclass, 0, 0);
|
|
DRIVER_MODULE(thunder_pem, ofwbus, thunder_pem_fdt_driver,
|
|
thunder_pem_fdt_devclass, 0, 0);
|
|
|
|
static int
|
|
thunder_pem_fdt_probe(device_t dev)
|
|
{
|
|
|
|
if (!ofw_bus_status_okay(dev))
|
|
return (ENXIO);
|
|
|
|
if (ofw_bus_is_compatible(dev, "cavium,pci-host-thunder-pem")) {
|
|
device_set_desc(dev, THUNDER_PEM_DESC);
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
|
|
return (ENXIO);
|
|
}
|
|
|
|
static int
|
|
thunder_pem_fdt_alloc_msi(device_t pci, device_t child, int count, int maxcount,
|
|
int *irqs)
|
|
{
|
|
phandle_t msi_parent;
|
|
|
|
ofw_bus_msimap(ofw_bus_get_node(pci), pci_get_rid(child), &msi_parent,
|
|
NULL);
|
|
return (intr_alloc_msi(pci, child, msi_parent, count, maxcount,
|
|
irqs));
|
|
}
|
|
|
|
static int
|
|
thunder_pem_fdt_release_msi(device_t pci, device_t child, int count, int *irqs)
|
|
{
|
|
phandle_t msi_parent;
|
|
|
|
ofw_bus_msimap(ofw_bus_get_node(pci), pci_get_rid(child), &msi_parent,
|
|
NULL);
|
|
return (intr_release_msi(pci, child, msi_parent, count, irqs));
|
|
}
|
|
|
|
static int
|
|
thunder_pem_fdt_alloc_msix(device_t pci, device_t child, int *irq)
|
|
{
|
|
phandle_t msi_parent;
|
|
|
|
ofw_bus_msimap(ofw_bus_get_node(pci), pci_get_rid(child), &msi_parent,
|
|
NULL);
|
|
return (intr_alloc_msix(pci, child, msi_parent, irq));
|
|
}
|
|
|
|
static int
|
|
thunder_pem_fdt_release_msix(device_t pci, device_t child, int irq)
|
|
{
|
|
phandle_t msi_parent;
|
|
|
|
ofw_bus_msimap(ofw_bus_get_node(pci), pci_get_rid(child), &msi_parent,
|
|
NULL);
|
|
return (intr_release_msix(pci, child, msi_parent, irq));
|
|
}
|
|
|
|
static int
|
|
thunder_pem_fdt_map_msi(device_t pci, device_t child, int irq, uint64_t *addr,
|
|
uint32_t *data)
|
|
{
|
|
phandle_t msi_parent;
|
|
|
|
ofw_bus_msimap(ofw_bus_get_node(pci), pci_get_rid(child), &msi_parent,
|
|
NULL);
|
|
return (intr_map_msi(pci, child, msi_parent, irq, addr, data));
|
|
}
|
|
|
|
static int
|
|
thunder_pem_fdt_get_id(device_t dev, device_t child, enum pci_id_type type,
|
|
uintptr_t *id)
|
|
{
|
|
phandle_t node;
|
|
uint32_t rid;
|
|
uint16_t pci_rid;
|
|
|
|
if (type != PCI_ID_MSI)
|
|
return (pcib_get_id(dev, child, type, id));
|
|
|
|
node = ofw_bus_get_node(dev);
|
|
pci_rid = pci_get_rid(child);
|
|
|
|
ofw_bus_msimap(node, pci_rid, NULL, &rid);
|
|
*id = rid;
|
|
|
|
return (0);
|
|
}
|