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thunder_pcie_common.c
(5.63 KB)
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thunder_pcie_common.h
(2.03 KB)
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thunder_pcie_fdt.c
(4.75 KB)
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thunder_pcie_pem.c
(24.43 KB)
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thunder_pcie_pem.h
(1.84 KB)
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thunder_pcie_pem_fdt.c
(5.57 KB)
Editing: thunder_pcie_fdt.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 "opt_platform.h" #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #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/pcireg.h> #include <dev/pci/pcivar.h> #include <dev/pci/pci_host_generic.h> #include <dev/pci/pci_host_generic_fdt.h> #include <dev/pci/pcib_private.h> #include "thunder_pcie_common.h" #include "pcib_if.h" #ifdef THUNDERX_PASS_1_1_ERRATA static struct resource * thunder_pcie_fdt_alloc_resource(device_t, device_t, int, int *, rman_res_t, rman_res_t, rman_res_t, u_int); #endif static int thunder_pcie_fdt_attach(device_t); static int thunder_pcie_fdt_probe(device_t); static int thunder_pcie_fdt_get_id(device_t, device_t, enum pci_id_type, uintptr_t *); static device_method_t thunder_pcie_fdt_methods[] = { /* Device interface */ DEVMETHOD(device_probe, thunder_pcie_fdt_probe), DEVMETHOD(device_attach, thunder_pcie_fdt_attach), #ifdef THUNDERX_PASS_1_1_ERRATA DEVMETHOD(bus_alloc_resource, thunder_pcie_fdt_alloc_resource), #endif /* pcib interface */ DEVMETHOD(pcib_get_id, thunder_pcie_fdt_get_id), /* End */ DEVMETHOD_END }; DEFINE_CLASS_1(pcib, thunder_pcie_fdt_driver, thunder_pcie_fdt_methods, sizeof(struct generic_pcie_fdt_softc), generic_pcie_fdt_driver); static devclass_t thunder_pcie_fdt_devclass; DRIVER_MODULE(thunder_pcib, simplebus, thunder_pcie_fdt_driver, thunder_pcie_fdt_devclass, 0, 0); DRIVER_MODULE(thunder_pcib, ofwbus, thunder_pcie_fdt_driver, thunder_pcie_fdt_devclass, 0, 0); static int thunder_pcie_fdt_probe(device_t dev) { /* Check if we're running on Cavium ThunderX */ if (!CPU_MATCH(CPU_IMPL_MASK | CPU_PART_MASK, CPU_IMPL_CAVIUM, CPU_PART_THUNDERX, 0, 0)) return (ENXIO); if (!ofw_bus_status_okay(dev)) return (ENXIO); if (ofw_bus_is_compatible(dev, "pci-host-ecam-generic") || ofw_bus_is_compatible(dev, "cavium,thunder-pcie") || ofw_bus_is_compatible(dev, "cavium,pci-host-thunder-ecam")) { device_set_desc(dev, "Cavium Integrated PCI/PCI-E Controller"); return (BUS_PROBE_DEFAULT); } return (ENXIO); } static int thunder_pcie_fdt_attach(device_t dev) { struct generic_pcie_fdt_softc *sc; sc = device_get_softc(dev); thunder_pcie_identify_ecam(dev, &sc->base.ecam); sc->base.coherent = 1; return (pci_host_generic_attach(dev)); } static int thunder_pcie_fdt_get_id(device_t pci, device_t child, enum pci_id_type type, uintptr_t *id) { phandle_t node; int bsf; if (type != PCI_ID_MSI) return (pcib_get_id(pci, child, type, id)); node = ofw_bus_get_node(pci); if (OF_hasprop(node, "msi-map")) return (generic_pcie_get_id(pci, child, type, id)); bsf = pci_get_rid(child); *id = (pci_get_domain(child) << PCI_RID_DOMAIN_SHIFT) | bsf; return (0); } #ifdef THUNDERX_PASS_1_1_ERRATA static struct resource * thunder_pcie_fdt_alloc_resource(device_t dev, device_t child, int type, int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) { if ((int)ofw_bus_get_node(child) > 0) return (pci_host_generic_alloc_resource(dev, child, type, rid, start, end, count, flags)); return (thunder_pcie_alloc_resource(dev, child, type, rid, start, end, count, flags)); } #endif
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