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/*
* Based on Linux drivers/pci/controller/pci-host-common.c
* Based on Linux drivers/pci/controller/pci-host-generic.c
* Based on xen/arch/arm/pci/pci-host-generic.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <xen/init.h>
#include <xen/pci.h>
#include <asm/device.h>
#include <asm/pci.h>
static int __init nwl_cfg_reg_index(struct dt_device_node *np)
{
return dt_property_match_string(np, "reg-names", "cfg");
}
/* ECAM ops */
const struct pci_ecam_ops nwl_pcie_ops = {
.bus_shift = 20,
.cfg_reg_index = nwl_cfg_reg_index,
.pci_ops = {
.map_bus = pci_ecam_map_bus,
.read = pci_generic_config_read,
.write = pci_generic_config_write,
.need_p2m_hwdom_mapping = pci_ecam_need_p2m_hwdom_mapping,
}
};
static const struct dt_device_match __initconstrel nwl_pcie_dt_match[] =
{
{ .compatible = "xlnx,nwl-pcie-2.11" },
{ },
};
static int __init pci_host_generic_probe(struct dt_device_node *dev,
const void *data)
{
return pci_host_common_probe(dev, &nwl_pcie_ops);
}
DT_DEVICE_START(pci_gen, "PCI HOST ZYNQMP", DEVICE_PCI_HOSTBRIDGE)
.dt_match = nwl_pcie_dt_match,
.init = pci_host_generic_probe,
DT_DEVICE_END
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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