Index: projects/powernv/powerpc/ofw/ofw_pci.c =================================================================== --- projects/powernv/powerpc/ofw/ofw_pci.c (revision 302423) +++ projects/powernv/powerpc/ofw/ofw_pci.c (nonexistent) @@ -1,558 +0,0 @@ -/*- - * Copyright (c) 2011 Nathan Whitehorn - * 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. - * 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 -__FBSDID("$FreeBSD$"); -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include -#include - -#include -#include -#include -#include -#include - -#include - -#include -#include - -#include - -#include "pcib_if.h" - -/* - * Bus interface. - */ -static int ofw_pci_read_ivar(device_t, device_t, int, - uintptr_t *); -static struct resource * ofw_pci_alloc_resource(device_t bus, - device_t child, int type, int *rid, rman_res_t start, - rman_res_t end, rman_res_t count, u_int flags); -static int ofw_pci_release_resource(device_t bus, device_t child, - int type, int rid, struct resource *res); -static int ofw_pci_activate_resource(device_t bus, device_t child, - int type, int rid, struct resource *res); -static int ofw_pci_deactivate_resource(device_t bus, - device_t child, int type, int rid, - struct resource *res); -static int ofw_pci_adjust_resource(device_t bus, device_t child, - int type, struct resource *res, rman_res_t start, - rman_res_t end); - -/* - * pcib interface. - */ -static int ofw_pci_maxslots(device_t); -static int ofw_pci_route_interrupt(device_t, device_t, int); - -/* - * ofw_bus interface - */ -static phandle_t ofw_pci_get_node(device_t bus, device_t dev); - -/* - * local methods - */ - -static int ofw_pci_nranges(phandle_t node); -static int ofw_pci_fill_ranges(phandle_t node, struct ofw_pci_range *ranges); - -/* - * Driver methods. - */ -static device_method_t ofw_pci_methods[] = { - /* Device interface */ - DEVMETHOD(device_attach, ofw_pci_attach), - - /* Bus interface */ - DEVMETHOD(bus_print_child, bus_generic_print_child), - DEVMETHOD(bus_read_ivar, ofw_pci_read_ivar), - DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), - DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), - DEVMETHOD(bus_alloc_resource, ofw_pci_alloc_resource), - DEVMETHOD(bus_release_resource, ofw_pci_release_resource), - DEVMETHOD(bus_activate_resource, ofw_pci_activate_resource), - DEVMETHOD(bus_deactivate_resource, ofw_pci_deactivate_resource), - DEVMETHOD(bus_adjust_resource, ofw_pci_adjust_resource), - - /* pcib interface */ - DEVMETHOD(pcib_maxslots, ofw_pci_maxslots), - DEVMETHOD(pcib_route_interrupt, ofw_pci_route_interrupt), - - /* ofw_bus interface */ - DEVMETHOD(ofw_bus_get_node, ofw_pci_get_node), - - DEVMETHOD_END -}; - -DEFINE_CLASS_0(ofw_pci, ofw_pci_driver, ofw_pci_methods, 0); - -int -ofw_pci_init(device_t dev) -{ - struct ofw_pci_softc *sc; - phandle_t node; - u_int32_t busrange[2]; - struct ofw_pci_range *rp; - int error; - - node = ofw_bus_get_node(dev); - sc = device_get_softc(dev); - sc->sc_initialized = 1; - - if (OF_getencprop(node, "bus-range", busrange, sizeof(busrange)) != 8) - busrange[0] = 0; - - sc->sc_dev = dev; - sc->sc_node = node; - sc->sc_bus = busrange[0]; - - if (sc->sc_quirks & OFW_PCI_QUIRK_RANGES_ON_CHILDREN) { - phandle_t c; - int n, i; - - sc->sc_nrange = 0; - for (c = OF_child(node); c != 0; c = OF_peer(c)) { - n = ofw_pci_nranges(c); - if (n > 0) - sc->sc_nrange += n; - } - if (sc->sc_nrange == 0) - return (ENXIO); - sc->sc_range = malloc(sc->sc_nrange * sizeof(sc->sc_range[0]), - M_DEVBUF, M_WAITOK); - i = 0; - for (c = OF_child(node); c != 0; c = OF_peer(c)) { - n = ofw_pci_fill_ranges(c, &sc->sc_range[i]); - if (n > 0) - i += n; - } - KASSERT(i == sc->sc_nrange, ("range count mismatch")); - } else { - sc->sc_nrange = ofw_pci_nranges(node); - if (sc->sc_nrange <= 0) { - device_printf(dev, "could not get ranges\n"); - return (ENXIO); - } - sc->sc_range = malloc(sc->sc_nrange * sizeof(sc->sc_range[0]), - M_DEVBUF, M_WAITOK); - ofw_pci_fill_ranges(node, sc->sc_range); - } - - sc->sc_io_rman.rm_type = RMAN_ARRAY; - sc->sc_io_rman.rm_descr = "PCI I/O Ports"; - error = rman_init(&sc->sc_io_rman); - if (error) { - device_printf(dev, "rman_init() failed. error = %d\n", error); - return (error); - } - - sc->sc_mem_rman.rm_type = RMAN_ARRAY; - sc->sc_mem_rman.rm_descr = "PCI Memory"; - error = rman_init(&sc->sc_mem_rman); - if (error) { - device_printf(dev, "rman_init() failed. error = %d\n", error); - return (error); - } - - for (rp = sc->sc_range; rp < sc->sc_range + sc->sc_nrange && - rp->pci_hi != 0; rp++) { - error = 0; - - switch (rp->pci_hi & OFW_PCI_PHYS_HI_SPACEMASK) { - case OFW_PCI_PHYS_HI_SPACE_CONFIG: - break; - case OFW_PCI_PHYS_HI_SPACE_IO: - error = rman_manage_region(&sc->sc_io_rman, rp->pci, - rp->pci + rp->size - 1); - break; - case OFW_PCI_PHYS_HI_SPACE_MEM32: - case OFW_PCI_PHYS_HI_SPACE_MEM64: - error = rman_manage_region(&sc->sc_mem_rman, rp->pci, - rp->pci + rp->size - 1); - break; - } - - if (error) { - device_printf(dev, - "rman_manage_region(%x, %#jx, %#jx) failed. " - "error = %d\n", rp->pci_hi & - OFW_PCI_PHYS_HI_SPACEMASK, rp->pci, - rp->pci + rp->size - 1, error); - return (error); - } - } - - ofw_bus_setup_iinfo(node, &sc->sc_pci_iinfo, sizeof(cell_t)); - - return (error); -} - -int -ofw_pci_attach(device_t dev) -{ - struct ofw_pci_softc *sc; - int error; - - sc = device_get_softc(dev); - if (!sc->sc_initialized) { - error = ofw_pci_init(dev); - if (error) - return (error); - } - - device_add_child(dev, "pci", -1); - return (bus_generic_attach(dev)); -} - -static int -ofw_pci_maxslots(device_t dev) -{ - - return (PCI_SLOTMAX); -} - -static int -ofw_pci_route_interrupt(device_t bus, device_t dev, int pin) -{ - struct ofw_pci_softc *sc; - struct ofw_pci_register reg; - uint32_t pintr, mintr[2]; - int intrcells; - phandle_t iparent; - - sc = device_get_softc(bus); - pintr = pin; - - /* Fabricate imap information in case this isn't an OFW device */ - bzero(®, sizeof(reg)); - reg.phys_hi = (pci_get_bus(dev) << OFW_PCI_PHYS_HI_BUSSHIFT) | - (pci_get_slot(dev) << OFW_PCI_PHYS_HI_DEVICESHIFT) | - (pci_get_function(dev) << OFW_PCI_PHYS_HI_FUNCTIONSHIFT); - - intrcells = ofw_bus_lookup_imap(ofw_bus_get_node(dev), - &sc->sc_pci_iinfo, ®, sizeof(reg), &pintr, sizeof(pintr), - mintr, sizeof(mintr), &iparent); - if (intrcells) { - pintr = ofw_bus_map_intr(dev, iparent, intrcells, mintr); - return (pintr); - } - - /* Maybe it's a real interrupt, not an intpin */ - if (pin > 4) - return (pin); - - device_printf(bus, "could not route pin %d for device %d.%d\n", - pin, pci_get_slot(dev), pci_get_function(dev)); - return (PCI_INVALID_IRQ); -} - -static int -ofw_pci_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) -{ - struct ofw_pci_softc *sc; - - sc = device_get_softc(dev); - - switch (which) { - case PCIB_IVAR_DOMAIN: - *result = device_get_unit(dev); - return (0); - case PCIB_IVAR_BUS: - *result = sc->sc_bus; - return (0); - } - - return (ENOENT); -} - -static struct resource * -ofw_pci_alloc_resource(device_t bus, device_t child, int type, int *rid, - rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) -{ - struct ofw_pci_softc *sc; - struct resource *rv; - struct rman *rm; - int needactivate; - - needactivate = flags & RF_ACTIVE; - flags &= ~RF_ACTIVE; - - sc = device_get_softc(bus); - - switch (type) { - case SYS_RES_MEMORY: - rm = &sc->sc_mem_rman; - break; - - case SYS_RES_IOPORT: - rm = &sc->sc_io_rman; - break; - - case SYS_RES_IRQ: - return (bus_alloc_resource(bus, type, rid, start, end, count, - flags)); - - default: - device_printf(bus, "unknown resource request from %s\n", - device_get_nameunit(child)); - return (NULL); - } - - rv = rman_reserve_resource(rm, start, end, count, flags, child); - if (rv == NULL) { - device_printf(bus, "failed to reserve resource for %s\n", - device_get_nameunit(child)); - return (NULL); - } - - rman_set_rid(rv, *rid); - - if (needactivate) { - if (bus_activate_resource(child, type, *rid, rv) != 0) { - device_printf(bus, - "failed to activate resource for %s\n", - device_get_nameunit(child)); - rman_release_resource(rv); - return (NULL); - } - } - - return (rv); -} - -static int -ofw_pci_release_resource(device_t bus, device_t child, int type, int rid, - struct resource *res) -{ - if (rman_get_flags(res) & RF_ACTIVE) { - int error = bus_deactivate_resource(child, type, rid, res); - if (error) - return error; - } - - return (rman_release_resource(res)); -} - -static int -ofw_pci_activate_resource(device_t bus, device_t child, int type, int rid, - struct resource *res) -{ - struct ofw_pci_softc *sc; - void *p; - - sc = device_get_softc(bus); - - if (type == SYS_RES_IRQ) { - return (bus_activate_resource(bus, type, rid, res)); - } - if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) { - struct ofw_pci_range *rp; - vm_paddr_t start; - int space; - - start = (vm_paddr_t)rman_get_start(res); - - /* - * Map this through the ranges list - */ - for (rp = sc->sc_range; rp < sc->sc_range + sc->sc_nrange && - rp->pci_hi != 0; rp++) { - if (start < rp->pci || start >= rp->pci + rp->size) - continue; - - switch (rp->pci_hi & OFW_PCI_PHYS_HI_SPACEMASK) { - case OFW_PCI_PHYS_HI_SPACE_IO: - space = SYS_RES_IOPORT; - break; - case OFW_PCI_PHYS_HI_SPACE_MEM32: - case OFW_PCI_PHYS_HI_SPACE_MEM64: - space = SYS_RES_MEMORY; - break; - default: - space = -1; - } - - if (type == space) { - start += (rp->host - rp->pci); - break; - } - } - - if (bootverbose) - printf("ofw_pci mapdev: start %jx, len %jd\n", - (rman_res_t)start, rman_get_size(res)); - - p = pmap_mapdev(start, (vm_size_t)rman_get_size(res)); - if (p == NULL) - return (ENOMEM); - - rman_set_virtual(res, p); - rman_set_bustag(res, &bs_le_tag); - rman_set_bushandle(res, (u_long)p); - } - - return (rman_activate_resource(res)); -} - -static int -ofw_pci_deactivate_resource(device_t bus, device_t child, int type, int rid, - struct resource *res) -{ - /* - * If this is a memory resource, unmap it. - */ - if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) { - u_int32_t psize; - - psize = rman_get_size(res); - pmap_unmapdev((vm_offset_t)rman_get_virtual(res), psize); - } - - return (rman_deactivate_resource(res)); -} - -static int -ofw_pci_adjust_resource(device_t bus, device_t child, int type, - struct resource *res, rman_res_t start, rman_res_t end) -{ - struct rman *rm = NULL; - struct ofw_pci_softc *sc = device_get_softc(bus); - - KASSERT(!(rman_get_flags(res) & RF_ACTIVE), - ("active resources cannot be adjusted")); - if (rman_get_flags(res) & RF_ACTIVE) - return (EINVAL); - - switch (type) { - case SYS_RES_MEMORY: - rm = &sc->sc_mem_rman; - break; - case SYS_RES_IOPORT: - rm = &sc->sc_io_rman; - break; - default: - return (ENXIO); - } - - if (!rman_is_region_manager(res, rm)) - return (EINVAL); - - return (rman_adjust_resource(res, start, end)); -} - - -static phandle_t -ofw_pci_get_node(device_t bus, device_t dev) -{ - struct ofw_pci_softc *sc; - - sc = device_get_softc(bus); - /* We only have one child, the PCI bus, which needs our own node. */ - - return (sc->sc_node); -} - -static int -ofw_pci_nranges(phandle_t node) -{ - int host_address_cells = 1, pci_address_cells = 3, size_cells = 2; - ssize_t nbase_ranges; - - OF_getencprop(OF_parent(node), "#address-cells", &host_address_cells, - sizeof(host_address_cells)); - OF_getencprop(node, "#address-cells", &pci_address_cells, - sizeof(pci_address_cells)); - OF_getencprop(node, "#size-cells", &size_cells, sizeof(size_cells)); - - nbase_ranges = OF_getproplen(node, "ranges"); - if (nbase_ranges <= 0) - return (-1); - - return (nbase_ranges / sizeof(cell_t) / - (pci_address_cells + host_address_cells + size_cells)); -} - -static int -ofw_pci_fill_ranges(phandle_t node, struct ofw_pci_range *ranges) -{ - int host_address_cells = 1, pci_address_cells = 3, size_cells = 2; - cell_t *base_ranges; - ssize_t nbase_ranges; - int nranges; - int i, j, k; - - OF_getencprop(OF_parent(node), "#address-cells", &host_address_cells, - sizeof(host_address_cells)); - OF_getencprop(node, "#address-cells", &pci_address_cells, - sizeof(pci_address_cells)); - OF_getencprop(node, "#size-cells", &size_cells, sizeof(size_cells)); - - nbase_ranges = OF_getproplen(node, "ranges"); - if (nbase_ranges <= 0) - return (-1); - nranges = nbase_ranges / sizeof(cell_t) / - (pci_address_cells + host_address_cells + size_cells); - - base_ranges = malloc(nbase_ranges, M_DEVBUF, M_WAITOK); - OF_getencprop(node, "ranges", base_ranges, nbase_ranges); - - for (i = 0, j = 0; i < nranges; i++) { - ranges[i].pci_hi = base_ranges[j++]; - ranges[i].pci = 0; - for (k = 0; k < pci_address_cells - 1; k++) { - ranges[i].pci <<= 32; - ranges[i].pci |= base_ranges[j++]; - } - ranges[i].host = 0; - for (k = 0; k < host_address_cells; k++) { - ranges[i].host <<= 32; - ranges[i].host |= base_ranges[j++]; - } - ranges[i].size = 0; - for (k = 0; k < size_cells; k++) { - ranges[i].size <<= 32; - ranges[i].size |= base_ranges[j++]; - } - } - - free(base_ranges, M_DEVBUF); - return (nranges); -} - Property changes on: projects/powernv/powerpc/ofw/ofw_pci.c ___________________________________________________________________ Deleted: svn:keywords ## -1 +0,0 ## -FreeBSD=%H \ No newline at end of property Index: projects/powernv/powerpc/ofw/ofw_pci.h =================================================================== --- projects/powernv/powerpc/ofw/ofw_pci.h (revision 302423) +++ projects/powernv/powerpc/ofw/ofw_pci.h (nonexistent) @@ -1,74 +0,0 @@ -/*- - * Copyright (c) 2011 Nathan Whitehorn - * 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. - * 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. - * - * $FreeBSD$ - */ - -#ifndef POWERPC_OFW_OFW_PCI_H -#define POWERPC_OFW_OFW_PCI_H - -/* - * Export class definition for inheritance purposes - */ -DECLARE_CLASS(ofw_pci_driver); - -struct ofw_pci_range { - uint32_t pci_hi; - uint64_t pci; - uint64_t host; - uint64_t size; -}; - -/* - * Quirks for some adapters - */ -enum { - OFW_PCI_QUIRK_RANGES_ON_CHILDREN = 1, -}; - -struct ofw_pci_softc { - device_t sc_dev; - phandle_t sc_node; - int sc_bus; - int sc_initialized; - - int sc_quirks; - - struct ofw_pci_range *sc_range; - int sc_nrange; - - struct rman sc_io_rman; - struct rman sc_mem_rman; - bus_space_tag_t sc_memt; - bus_dma_tag_t sc_dmat; - - struct ofw_bus_iinfo sc_pci_iinfo; -}; - -int ofw_pci_init(device_t dev); -int ofw_pci_attach(device_t dev); - -#endif // POWERPC_OFW_OFW_PCI_H - Property changes on: projects/powernv/powerpc/ofw/ofw_pci.h ___________________________________________________________________ Deleted: svn:keywords ## -1 +0,0 ## -FreeBSD=%H \ No newline at end of property Index: projects/powernv/powerpc/powernv/opal_pci.c =================================================================== --- projects/powernv/powerpc/powernv/opal_pci.c (revision 302423) +++ projects/powernv/powerpc/powernv/opal_pci.c (revision 302424) @@ -1,237 +1,248 @@ /*- * Copyright (c) 2015 Nathan Whitehorn * 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. * 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 __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include -#include +#include #include "pcib_if.h" #include "iommu_if.h" #include "opal.h" /* * Device interface. */ static int opalpci_probe(device_t); static int opalpci_attach(device_t); /* * pcib interface. */ static u_int32_t opalpci_read_config(device_t, u_int, u_int, u_int, u_int, int); static void opalpci_write_config(device_t, u_int, u_int, u_int, u_int, u_int32_t, int); /* * Driver methods. */ static device_method_t opalpci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, opalpci_probe), DEVMETHOD(device_attach, opalpci_attach), /* pcib interface */ DEVMETHOD(pcib_read_config, opalpci_read_config), DEVMETHOD(pcib_write_config, opalpci_write_config), DEVMETHOD_END }; struct opalpci_softc { struct ofw_pci_softc ofw_sc; uint64_t phb_id; }; static devclass_t opalpci_devclass; DEFINE_CLASS_1(pcib, opalpci_driver, opalpci_methods, sizeof(struct opalpci_softc), ofw_pci_driver); DRIVER_MODULE(opalpci, ofwbus, opalpci_driver, opalpci_devclass, 0, 0); static int opalpci_probe(device_t dev) { const char *type; if (opal_check() != 0) return (ENXIO); type = ofw_bus_get_type(dev); if (type == NULL || (strcmp(type, "pci") != 0 && strcmp(type, "pciex") != 0)) return (ENXIO); if (!OF_hasprop(ofw_bus_get_node(dev), "ibm,opal-phbid")) return (ENXIO); device_set_desc(dev, "OPAL Host-PCI bridge"); return (BUS_PROBE_GENERIC); } static int opalpci_attach(device_t dev) { struct opalpci_softc *sc; cell_t id[2]; int err; sc = device_get_softc(dev); switch (OF_getproplen(ofw_bus_get_node(dev), "ibm,opal-phbid")) { case 8: OF_getencprop(ofw_bus_get_node(dev), "ibm,opal-phbid", id, 8); sc->phb_id = ((uint64_t)id[0] << 32) | id[1]; break; case 4: OF_getencprop(ofw_bus_get_node(dev), "ibm,opal-phbid", id, 4); sc->phb_id = id[0]; break; default: device_printf(dev, "PHB ID property had wrong length (%zd)\n", OF_getproplen(ofw_bus_get_node(dev), "ibm,opal-phbid")); return (ENXIO); } + + if (bootverbose) + device_printf(dev, "OPAL ID %#lx\n", sc->phb_id); + +#if 0 + /* Reset PCI host controller */ + opal_call(OPAL_PCI_RESET, sc->phb_id, 1, 1); + DELAY(1000); + opal_call(OPAL_PCI_RESET, sc->phb_id, 1, 0); + DELAY(1000); +#endif /* * Map all devices on the bus to partitionable endpoint zero until * such time as we start wanting to do things like bhyve. */ err = opal_call(OPAL_PCI_SET_PE, sc->phb_id, 0 /* Root PE */, 0, 0, 0, 0, /* All devices */ OPAL_MAP_PE); if (err != 0) { device_printf(dev, "PE mapping failed: %d\n", err); return (ENXIO); } /* * Also disable the IOMMU for the time being for PE 0 (everything) */ err = opal_call(OPAL_PCI_MAP_PE_DMA_WINDOW_REAL, sc->phb_id, 0, 0, 0 /* start address */, roundup2(Maxmem, 16*1024*1024)/* all RAM */); if (err != 0) { device_printf(dev, "DMA mapping failed: %d\n", err); return (ENXIO); } return (ofw_pci_attach(dev)); } static uint32_t opalpci_read_config(device_t dev, u_int bus, u_int slot, u_int func, u_int reg, int width) { struct opalpci_softc *sc; uint64_t config_addr; uint8_t byte; uint16_t half; uint32_t word; int error; sc = device_get_softc(dev); config_addr = (bus << 8) | ((slot & 0x1f) << 3) | (func & 0x7); switch (width) { case 1: error = opal_call(OPAL_PCI_CONFIG_READ_BYTE, sc->phb_id, config_addr, reg, vtophys(&byte)); word = byte; break; case 2: error = opal_call(OPAL_PCI_CONFIG_READ_HALF_WORD, sc->phb_id, config_addr, reg, vtophys(&half)); word = half; break; case 4: error = opal_call(OPAL_PCI_CONFIG_READ_WORD, sc->phb_id, config_addr, reg, vtophys(&word)); break; default: word = 0xffffffff; } if (error != OPAL_SUCCESS) word = 0xffffffff; return (word); } static void opalpci_write_config(device_t dev, u_int bus, u_int slot, u_int func, u_int reg, uint32_t val, int width) { struct opalpci_softc *sc; uint64_t config_addr; sc = device_get_softc(dev); config_addr = (bus << 8) | ((slot & 0x1f) << 3) | (func & 0x7); switch (width) { case 1: opal_call(OPAL_PCI_CONFIG_WRITE_BYTE, sc->phb_id, config_addr, reg, val); break; case 2: opal_call(OPAL_PCI_CONFIG_WRITE_HALF_WORD, sc->phb_id, config_addr, reg, val); break; case 4: opal_call(OPAL_PCI_CONFIG_WRITE_WORD, sc->phb_id, config_addr, reg, val); break; } }