Author: rpaulo Date: Sun Dec 14 22:41:08 2014 New Revision: 275779 URL: https://svnweb.freebsd.org/changeset/base/275779
Log: Move ofw_cpu.c to sys/dev/ofw so that it can be used by other architectures. Differential Revision: https://reviews.freebsd.org/D1307 Reviewed by: jhibbits Added: head/sys/dev/ofw/ofw_cpu.c - copied unchanged from r275778, head/sys/powerpc/ofw/ofw_cpu.c Deleted: head/sys/powerpc/ofw/ofw_cpu.c Modified: head/sys/conf/files.powerpc Modified: head/sys/conf/files.powerpc ============================================================================== --- head/sys/conf/files.powerpc Sun Dec 14 18:51:13 2014 (r275778) +++ head/sys/conf/files.powerpc Sun Dec 14 22:41:08 2014 (r275779) @@ -44,6 +44,7 @@ dev/nand/nfc_fsl.c optional nand mpc85x dev/ofw/openfirm.c optional aim dev/ofw/openfirmio.c optional aim dev/ofw/ofw_bus_if.m optional aim +dev/ofw/ofw_cpu.c optional aim dev/ofw/ofw_if.m optional aim dev/ofw/ofw_bus_subr.c optional aim dev/ofw/ofw_console.c optional aim @@ -135,7 +136,6 @@ powerpc/mpc85xx/lbc.c optional mpc85xx powerpc/mpc85xx/mpc85xx.c optional mpc85xx powerpc/mpc85xx/platform_mpc85xx.c optional mpc85xx powerpc/mpc85xx/pci_mpc85xx.c optional pci mpc85xx -powerpc/ofw/ofw_cpu.c optional aim powerpc/ofw/ofw_machdep.c standard powerpc/ofw/ofw_pci.c optional pci powerpc/ofw/ofw_pcibus.c optional pci Copied: head/sys/dev/ofw/ofw_cpu.c (from r275778, head/sys/powerpc/ofw/ofw_cpu.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/dev/ofw/ofw_cpu.c Sun Dec 14 22:41:08 2014 (r275779, copy of r275778, head/sys/powerpc/ofw/ofw_cpu.c) @@ -0,0 +1,214 @@ +/*- + * Copyright (C) 2009 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 Benno Rice ``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 TOOLS GMBH 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 <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/malloc.h> +#include <sys/bus.h> +#include <sys/cpu.h> +#include <machine/bus.h> + +#include <dev/ofw/openfirm.h> +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> + +static int ofw_cpulist_probe(device_t); +static int ofw_cpulist_attach(device_t); +static const struct ofw_bus_devinfo *ofw_cpulist_get_devinfo(device_t dev, + device_t child); + +static MALLOC_DEFINE(M_OFWCPU, "ofwcpu", "OFW CPU device information"); + +static device_method_t ofw_cpulist_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, ofw_cpulist_probe), + DEVMETHOD(device_attach, ofw_cpulist_attach), + + /* Bus interface */ + DEVMETHOD(bus_add_child, bus_generic_add_child), + DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str), + + /* ofw_bus interface */ + DEVMETHOD(ofw_bus_get_devinfo, ofw_cpulist_get_devinfo), + DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat), + DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model), + DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name), + DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node), + DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type), + + DEVMETHOD_END +}; + +static driver_t ofw_cpulist_driver = { + "cpulist", + ofw_cpulist_methods, + 0 +}; + +static devclass_t ofw_cpulist_devclass; + +DRIVER_MODULE(ofw_cpulist, ofwbus, ofw_cpulist_driver, ofw_cpulist_devclass, + 0, 0); + +static int +ofw_cpulist_probe(device_t dev) +{ + const char *name; + + name = ofw_bus_get_name(dev); + + if (name == NULL || strcmp(name, "cpus") != 0) + return (ENXIO); + + device_set_desc(dev, "Open Firmware CPU Group"); + + return (0); +} + +static int +ofw_cpulist_attach(device_t dev) +{ + phandle_t root, child; + device_t cdev; + struct ofw_bus_devinfo *dinfo; + + root = ofw_bus_get_node(dev); + + for (child = OF_child(root); child != 0; child = OF_peer(child)) { + dinfo = malloc(sizeof(*dinfo), M_OFWCPU, M_WAITOK | M_ZERO); + + if (ofw_bus_gen_setup_devinfo(dinfo, child) != 0) { + free(dinfo, M_OFWCPU); + continue; + } + cdev = device_add_child(dev, NULL, -1); + if (cdev == NULL) { + device_printf(dev, "<%s>: device_add_child failed\n", + dinfo->obd_name); + ofw_bus_gen_destroy_devinfo(dinfo); + free(dinfo, M_OFWCPU); + continue; + } + device_set_ivars(cdev, dinfo); + } + + return (bus_generic_attach(dev)); +} + +static const struct ofw_bus_devinfo * +ofw_cpulist_get_devinfo(device_t dev, device_t child) +{ + return (device_get_ivars(child)); +} + +static int ofw_cpu_probe(device_t); +static int ofw_cpu_attach(device_t); +static int ofw_cpu_read_ivar(device_t dev, device_t child, int index, + uintptr_t *result); + +struct ofw_cpu_softc { + struct pcpu *sc_cpu_pcpu; + uint32_t sc_nominal_mhz; +}; + +static device_method_t ofw_cpu_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, ofw_cpu_probe), + DEVMETHOD(device_attach, ofw_cpu_attach), + + /* Bus interface */ + DEVMETHOD(bus_add_child, bus_generic_add_child), + DEVMETHOD(bus_read_ivar, ofw_cpu_read_ivar), + DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), + DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), + DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), + DEVMETHOD(bus_release_resource, bus_generic_release_resource), + DEVMETHOD(bus_activate_resource,bus_generic_activate_resource), + + DEVMETHOD_END +}; + +static driver_t ofw_cpu_driver = { + "cpu", + ofw_cpu_methods, + sizeof(struct ofw_cpu_softc) +}; + +static devclass_t ofw_cpu_devclass; + +DRIVER_MODULE(ofw_cpu, cpulist, ofw_cpu_driver, ofw_cpu_devclass, 0, 0); + +static int +ofw_cpu_probe(device_t dev) +{ + const char *type = ofw_bus_get_type(dev); + + if (strcmp(type, "cpu") != 0) + return (ENXIO); + + device_set_desc(dev, "Open Firmware CPU"); + return (0); +} + +static int +ofw_cpu_attach(device_t dev) +{ + struct ofw_cpu_softc *sc; + uint32_t cell; + + sc = device_get_softc(dev); + OF_getprop(ofw_bus_get_node(dev), "reg", &cell, sizeof(cell)); + sc->sc_cpu_pcpu = pcpu_find(cell); + OF_getprop(ofw_bus_get_node(dev), "clock-frequency", &cell, sizeof(cell)); + sc->sc_nominal_mhz = cell / 1000000; /* convert to MHz */ + + bus_generic_probe(dev); + return (bus_generic_attach(dev)); +} + +static int +ofw_cpu_read_ivar(device_t dev, device_t child, int index, uintptr_t *result) +{ + struct ofw_cpu_softc *sc; + + sc = device_get_softc(dev); + + switch (index) { + case CPU_IVAR_PCPU: + *result = (uintptr_t)sc->sc_cpu_pcpu; + return (0); + case CPU_IVAR_NOMINAL_MHZ: + *result = (uintptr_t)sc->sc_nominal_mhz; + return (0); + } + + return (ENOENT); +} + _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "[email protected]"
