svn commit: r275779 - in head/sys: conf dev/ofw powerpc/ofw
Rui Paulo
rpaulo at FreeBSD.org
Sun Dec 14 22:41:09 UTC 2014
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);
+}
+
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