Merge nexus.c from amd64 and i386 to x86 subtree.
Sponsored by: Sandvine Incorporated Tested by: gianni
This commit is contained in:
Attilio Rao
parent
b94e6f0ef6
commit
ba2a27351b
@ -1,704 +0,0 @@
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/*-
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* Copyright 1998 Massachusetts Institute of Technology
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby
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* granted, provided that both the above copyright notice and this
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* permission notice appear in all copies, that both the above
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* copyright notice and this permission notice appear in all
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* supporting documentation, and that the name of M.I.T. not be used
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* in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission. M.I.T. makes
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
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* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* This code implements a `root nexus' for Intel Architecture
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* machines. The function of the root nexus is to serve as an
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* attachment point for both processors and buses, and to manage
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* resources which are common to all of them. In particular,
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* this code implements the core resource managers for interrupt
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* requests, DMA requests (which rightfully should be a part of the
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* ISA code but it's easier to do it here for now), I/O port addresses,
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* and I/O memory address space.
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*/
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#include "opt_isa.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/linker.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <machine/bus.h>
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#include <machine/intr_machdep.h>
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#include <sys/rman.h>
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#include <sys/interrupt.h>
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#include <machine/vmparam.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/pmap.h>
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#include <machine/metadata.h>
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#include <machine/nexusvar.h>
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#include <machine/resource.h>
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#include <machine/pc/bios.h>
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#include "pcib_if.h"
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#ifdef DEV_ISA
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#include <isa/isavar.h>
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#include <x86/isa/isa.h>
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#endif
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#include <sys/rtprio.h>
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static MALLOC_DEFINE(M_NEXUSDEV, "nexusdev", "Nexus device");
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#define DEVTONX(dev) ((struct nexus_device *)device_get_ivars(dev))
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struct rman irq_rman, drq_rman, port_rman, mem_rman;
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static int nexus_probe(device_t);
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static int nexus_attach(device_t);
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static int nexus_print_all_resources(device_t dev);
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static int nexus_print_child(device_t, device_t);
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static device_t nexus_add_child(device_t bus, u_int order, const char *name,
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int unit);
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static struct resource *nexus_alloc_resource(device_t, device_t, int, int *,
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u_long, u_long, u_long, u_int);
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#ifdef SMP
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static int nexus_bind_intr(device_t, device_t, struct resource *, int);
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#endif
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static int nexus_config_intr(device_t, int, enum intr_trigger,
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enum intr_polarity);
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static int nexus_describe_intr(device_t dev, device_t child,
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struct resource *irq, void *cookie,
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const char *descr);
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static int nexus_activate_resource(device_t, device_t, int, int,
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struct resource *);
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static int nexus_deactivate_resource(device_t, device_t, int, int,
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struct resource *);
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static int nexus_release_resource(device_t, device_t, int, int,
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struct resource *);
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static int nexus_setup_intr(device_t, device_t, struct resource *, int flags,
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driver_filter_t filter, void (*)(void *), void *,
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void **);
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static int nexus_teardown_intr(device_t, device_t, struct resource *,
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void *);
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static struct resource_list *nexus_get_reslist(device_t dev, device_t child);
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static int nexus_set_resource(device_t, device_t, int, int, u_long, u_long);
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static int nexus_get_resource(device_t, device_t, int, int, u_long *, u_long *);
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static void nexus_delete_resource(device_t, device_t, int, int);
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static int nexus_alloc_msi(device_t pcib, device_t dev, int count, int maxcount, int *irqs);
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static int nexus_release_msi(device_t pcib, device_t dev, int count, int *irqs);
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static int nexus_alloc_msix(device_t pcib, device_t dev, int *irq);
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static int nexus_release_msix(device_t pcib, device_t dev, int irq);
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static int nexus_map_msi(device_t pcib, device_t dev, int irq, uint64_t *addr, uint32_t *data);
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static device_method_t nexus_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, nexus_probe),
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DEVMETHOD(device_attach, nexus_attach),
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DEVMETHOD(device_detach, bus_generic_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_print_child, nexus_print_child),
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DEVMETHOD(bus_add_child, nexus_add_child),
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DEVMETHOD(bus_alloc_resource, nexus_alloc_resource),
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DEVMETHOD(bus_release_resource, nexus_release_resource),
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DEVMETHOD(bus_activate_resource, nexus_activate_resource),
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DEVMETHOD(bus_deactivate_resource, nexus_deactivate_resource),
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DEVMETHOD(bus_setup_intr, nexus_setup_intr),
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DEVMETHOD(bus_teardown_intr, nexus_teardown_intr),
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#ifdef SMP
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DEVMETHOD(bus_bind_intr, nexus_bind_intr),
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#endif
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DEVMETHOD(bus_config_intr, nexus_config_intr),
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DEVMETHOD(bus_describe_intr, nexus_describe_intr),
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DEVMETHOD(bus_get_resource_list, nexus_get_reslist),
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DEVMETHOD(bus_set_resource, nexus_set_resource),
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DEVMETHOD(bus_get_resource, nexus_get_resource),
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DEVMETHOD(bus_delete_resource, nexus_delete_resource),
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/* pcib interface */
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DEVMETHOD(pcib_alloc_msi, nexus_alloc_msi),
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DEVMETHOD(pcib_release_msi, nexus_release_msi),
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DEVMETHOD(pcib_alloc_msix, nexus_alloc_msix),
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DEVMETHOD(pcib_release_msix, nexus_release_msix),
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DEVMETHOD(pcib_map_msi, nexus_map_msi),
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{ 0, 0 }
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};
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DEFINE_CLASS_0(nexus, nexus_driver, nexus_methods, 1);
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static devclass_t nexus_devclass;
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DRIVER_MODULE(nexus, root, nexus_driver, nexus_devclass, 0, 0);
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static int
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nexus_probe(device_t dev)
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{
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device_quiet(dev); /* suppress attach message for neatness */
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return (BUS_PROBE_GENERIC);
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}
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void
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nexus_init_resources(void)
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{
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int irq;
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/*
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* XXX working notes:
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*
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* - IRQ resource creation should be moved to the PIC/APIC driver.
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* - DRQ resource creation should be moved to the DMAC driver.
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* - The above should be sorted to probe earlier than any child busses.
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*
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* - Leave I/O and memory creation here, as child probes may need them.
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* (especially eg. ACPI)
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*/
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/*
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* IRQ's are on the mainboard on old systems, but on the ISA part
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* of PCI->ISA bridges. There would be multiple sets of IRQs on
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* multi-ISA-bus systems. PCI interrupts are routed to the ISA
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* component, so in a way, PCI can be a partial child of an ISA bus(!).
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* APIC interrupts are global though.
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*/
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irq_rman.rm_start = 0;
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irq_rman.rm_type = RMAN_ARRAY;
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irq_rman.rm_descr = "Interrupt request lines";
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irq_rman.rm_end = NUM_IO_INTS - 1;
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if (rman_init(&irq_rman))
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panic("nexus_init_resources irq_rman");
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/*
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* We search for regions of existing IRQs and add those to the IRQ
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* resource manager.
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*/
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for (irq = 0; irq < NUM_IO_INTS; irq++)
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if (intr_lookup_source(irq) != NULL)
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if (rman_manage_region(&irq_rman, irq, irq) != 0)
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panic("nexus_init_resources irq_rman add");
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/*
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* ISA DMA on PCI systems is implemented in the ISA part of each
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* PCI->ISA bridge and the channels can be duplicated if there are
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* multiple bridges. (eg: laptops with docking stations)
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*/
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drq_rman.rm_start = 0;
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drq_rman.rm_end = 7;
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drq_rman.rm_type = RMAN_ARRAY;
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drq_rman.rm_descr = "DMA request lines";
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/* XXX drq 0 not available on some machines */
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if (rman_init(&drq_rman)
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|| rman_manage_region(&drq_rman,
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drq_rman.rm_start, drq_rman.rm_end))
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panic("nexus_init_resources drq_rman");
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/*
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* However, IO ports and Memory truely are global at this level,
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* as are APIC interrupts (however many IO APICS there turn out
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* to be on large systems..)
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*/
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port_rman.rm_start = 0;
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port_rman.rm_end = 0xffff;
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port_rman.rm_type = RMAN_ARRAY;
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port_rman.rm_descr = "I/O ports";
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if (rman_init(&port_rman)
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|| rman_manage_region(&port_rman, 0, 0xffff))
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panic("nexus_init_resources port_rman");
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mem_rman.rm_start = 0;
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mem_rman.rm_end = ~0u;
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mem_rman.rm_type = RMAN_ARRAY;
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mem_rman.rm_descr = "I/O memory addresses";
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if (rman_init(&mem_rman)
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|| rman_manage_region(&mem_rman, 0, ~0))
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panic("nexus_init_resources mem_rman");
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}
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static int
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nexus_attach(device_t dev)
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{
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nexus_init_resources();
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bus_generic_probe(dev);
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/*
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* Explicitly add the legacy0 device here. Other platform
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* types (such as ACPI), use their own nexus(4) subclass
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* driver to override this routine and add their own root bus.
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*/
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if (BUS_ADD_CHILD(dev, 10, "legacy", 0) == NULL)
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panic("legacy: could not attach");
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bus_generic_attach(dev);
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return 0;
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}
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static int
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nexus_print_all_resources(device_t dev)
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{
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struct nexus_device *ndev = DEVTONX(dev);
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struct resource_list *rl = &ndev->nx_resources;
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int retval = 0;
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if (STAILQ_FIRST(rl))
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retval += printf(" at");
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retval += resource_list_print_type(rl, "port", SYS_RES_IOPORT, "%#lx");
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retval += resource_list_print_type(rl, "iomem", SYS_RES_MEMORY, "%#lx");
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retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%ld");
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return retval;
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}
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static int
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nexus_print_child(device_t bus, device_t child)
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{
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int retval = 0;
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retval += bus_print_child_header(bus, child);
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retval += nexus_print_all_resources(child);
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if (device_get_flags(child))
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retval += printf(" flags %#x", device_get_flags(child));
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retval += printf(" on motherboard\n"); /* XXX "motherboard", ick */
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return (retval);
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}
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static device_t
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nexus_add_child(device_t bus, u_int order, const char *name, int unit)
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{
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device_t child;
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struct nexus_device *ndev;
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ndev = malloc(sizeof(struct nexus_device), M_NEXUSDEV, M_NOWAIT|M_ZERO);
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if (!ndev)
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return(0);
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resource_list_init(&ndev->nx_resources);
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child = device_add_child_ordered(bus, order, name, unit);
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/* should we free this in nexus_child_detached? */
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device_set_ivars(child, ndev);
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return(child);
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}
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/*
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* Allocate a resource on behalf of child. NB: child is usually going to be a
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* child of one of our descendants, not a direct child of nexus0.
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*/
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static struct resource *
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nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
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u_long start, u_long end, u_long count, u_int flags)
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{
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struct nexus_device *ndev = DEVTONX(child);
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struct resource *rv;
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struct resource_list_entry *rle;
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struct rman *rm;
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int needactivate = flags & RF_ACTIVE;
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/*
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* If this is an allocation of the "default" range for a given RID, and
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* we know what the resources for this device are (ie. they aren't maintained
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* by a child bus), then work out the start/end values.
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*/
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if ((start == 0UL) && (end == ~0UL) && (count == 1)) {
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if (ndev == NULL)
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return(NULL);
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rle = resource_list_find(&ndev->nx_resources, type, *rid);
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if (rle == NULL)
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return(NULL);
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start = rle->start;
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end = rle->end;
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count = rle->count;
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}
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flags &= ~RF_ACTIVE;
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switch (type) {
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case SYS_RES_IRQ:
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rm = &irq_rman;
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break;
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case SYS_RES_DRQ:
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rm = &drq_rman;
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break;
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case SYS_RES_IOPORT:
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rm = &port_rman;
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break;
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case SYS_RES_MEMORY:
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rm = &mem_rman;
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break;
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default:
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return 0;
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}
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rv = rman_reserve_resource(rm, start, end, count, flags, child);
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if (rv == 0)
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return 0;
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rman_set_rid(rv, *rid);
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if (needactivate) {
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if (bus_activate_resource(child, type, *rid, rv)) {
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rman_release_resource(rv);
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return 0;
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}
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}
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return rv;
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}
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static int
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nexus_activate_resource(device_t bus, device_t child, int type, int rid,
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struct resource *r)
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{
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/*
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* If this is a memory resource, map it into the kernel.
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*/
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if (type == SYS_RES_MEMORY) {
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void *vaddr;
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vaddr = pmap_mapdev(rman_get_start(r), rman_get_size(r));
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rman_set_virtual(r, vaddr);
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rman_set_bustag(r, AMD64_BUS_SPACE_MEM);
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rman_set_bushandle(r, (bus_space_handle_t) vaddr);
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} else if (type == SYS_RES_IOPORT) {
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rman_set_bustag(r, AMD64_BUS_SPACE_IO);
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rman_set_bushandle(r, rman_get_start(r));
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}
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return (rman_activate_resource(r));
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}
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static int
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nexus_deactivate_resource(device_t bus, device_t child, int type, int rid,
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struct resource *r)
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{
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/*
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* If this is a memory resource, unmap it.
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*/
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if (type == SYS_RES_MEMORY) {
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pmap_unmapdev((vm_offset_t)rman_get_virtual(r),
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rman_get_size(r));
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}
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return (rman_deactivate_resource(r));
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}
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static int
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nexus_release_resource(device_t bus, device_t child, int type, int rid,
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struct resource *r)
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{
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if (rman_get_flags(r) & RF_ACTIVE) {
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int error = bus_deactivate_resource(child, type, rid, r);
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if (error)
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return error;
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}
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return (rman_release_resource(r));
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}
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/*
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* Currently this uses the really grody interface from kern/kern_intr.c
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* (which really doesn't belong in kern/anything.c). Eventually, all of
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* the code in kern_intr.c and machdep_intr.c should get moved here, since
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* this is going to be the official interface.
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*/
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static int
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nexus_setup_intr(device_t bus, device_t child, struct resource *irq,
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int flags, driver_filter_t filter, void (*ihand)(void *),
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void *arg, void **cookiep)
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{
|
||||
int error;
|
||||
|
||||
/* somebody tried to setup an irq that failed to allocate! */
|
||||
if (irq == NULL)
|
||||
panic("nexus_setup_intr: NULL irq resource!");
|
||||
|
||||
*cookiep = 0;
|
||||
if ((rman_get_flags(irq) & RF_SHAREABLE) == 0)
|
||||
flags |= INTR_EXCL;
|
||||
|
||||
/*
|
||||
* We depend here on rman_activate_resource() being idempotent.
|
||||
*/
|
||||
error = rman_activate_resource(irq);
|
||||
if (error)
|
||||
return (error);
|
||||
|
||||
error = intr_add_handler(device_get_nameunit(child),
|
||||
rman_get_start(irq), filter, ihand, arg, flags, cookiep);
|
||||
|
||||
return (error);
|
||||
}
|
||||
|
||||
static int
|
||||
nexus_teardown_intr(device_t dev, device_t child, struct resource *r, void *ih)
|
||||
{
|
||||
return (intr_remove_handler(ih));
|
||||
}
|
||||
|
||||
#ifdef SMP
|
||||
static int
|
||||
nexus_bind_intr(device_t dev, device_t child, struct resource *irq, int cpu)
|
||||
{
|
||||
return (intr_bind(rman_get_start(irq), cpu));
|
||||
}
|
||||
#endif
|
||||
|
||||
static int
|
||||
nexus_config_intr(device_t dev, int irq, enum intr_trigger trig,
|
||||
enum intr_polarity pol)
|
||||
{
|
||||
return (intr_config_intr(irq, trig, pol));
|
||||
}
|
||||
|
||||
static int
|
||||
nexus_describe_intr(device_t dev, device_t child, struct resource *irq,
|
||||
void *cookie, const char *descr)
|
||||
{
|
||||
|
||||
return (intr_describe(rman_get_start(irq), cookie, descr));
|
||||
}
|
||||
|
||||
static struct resource_list *
|
||||
nexus_get_reslist(device_t dev, device_t child)
|
||||
{
|
||||
struct nexus_device *ndev = DEVTONX(child);
|
||||
|
||||
return (&ndev->nx_resources);
|
||||
}
|
||||
|
||||
static int
|
||||
nexus_set_resource(device_t dev, device_t child, int type, int rid, u_long start, u_long count)
|
||||
{
|
||||
struct nexus_device *ndev = DEVTONX(child);
|
||||
struct resource_list *rl = &ndev->nx_resources;
|
||||
|
||||
/* XXX this should return a success/failure indicator */
|
||||
resource_list_add(rl, type, rid, start, start + count - 1, count);
|
||||
return(0);
|
||||
}
|
||||
|
||||
static int
|
||||
nexus_get_resource(device_t dev, device_t child, int type, int rid, u_long *startp, u_long *countp)
|
||||
{
|
||||
struct nexus_device *ndev = DEVTONX(child);
|
||||
struct resource_list *rl = &ndev->nx_resources;
|
||||
struct resource_list_entry *rle;
|
||||
|
||||
rle = resource_list_find(rl, type, rid);
|
||||
if (!rle)
|
||||
return(ENOENT);
|
||||
if (startp)
|
||||
*startp = rle->start;
|
||||
if (countp)
|
||||
*countp = rle->count;
|
||||
return(0);
|
||||
}
|
||||
|
||||
static void
|
||||
nexus_delete_resource(device_t dev, device_t child, int type, int rid)
|
||||
{
|
||||
struct nexus_device *ndev = DEVTONX(child);
|
||||
struct resource_list *rl = &ndev->nx_resources;
|
||||
|
||||
resource_list_delete(rl, type, rid);
|
||||
}
|
||||
|
||||
/* Called from the MSI code to add new IRQs to the IRQ rman. */
|
||||
void
|
||||
nexus_add_irq(u_long irq)
|
||||
{
|
||||
|
||||
if (rman_manage_region(&irq_rman, irq, irq) != 0)
|
||||
panic("%s: failed", __func__);
|
||||
}
|
||||
|
||||
static int
|
||||
nexus_alloc_msix(device_t pcib, device_t dev, int *irq)
|
||||
{
|
||||
|
||||
return (msix_alloc(dev, irq));
|
||||
}
|
||||
|
||||
static int
|
||||
nexus_release_msix(device_t pcib, device_t dev, int irq)
|
||||
{
|
||||
|
||||
return (msix_release(irq));
|
||||
}
|
||||
|
||||
static int
|
||||
nexus_alloc_msi(device_t pcib, device_t dev, int count, int maxcount, int *irqs)
|
||||
{
|
||||
|
||||
return (msi_alloc(dev, count, maxcount, irqs));
|
||||
}
|
||||
|
||||
static int
|
||||
nexus_release_msi(device_t pcib, device_t dev, int count, int *irqs)
|
||||
{
|
||||
|
||||
return (msi_release(irqs, count));
|
||||
}
|
||||
|
||||
static int
|
||||
nexus_map_msi(device_t pcib, device_t dev, int irq, uint64_t *addr, uint32_t *data)
|
||||
{
|
||||
|
||||
return (msi_map(irq, addr, data));
|
||||
}
|
||||
|
||||
/* Placeholder for system RAM. */
|
||||
static void
|
||||
ram_identify(driver_t *driver, device_t parent)
|
||||
{
|
||||
|
||||
if (resource_disabled("ram", 0))
|
||||
return;
|
||||
if (BUS_ADD_CHILD(parent, 0, "ram", 0) == NULL)
|
||||
panic("ram_identify");
|
||||
}
|
||||
|
||||
static int
|
||||
ram_probe(device_t dev)
|
||||
{
|
||||
|
||||
device_quiet(dev);
|
||||
device_set_desc(dev, "System RAM");
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
ram_attach(device_t dev)
|
||||
{
|
||||
struct bios_smap *smapbase, *smap, *smapend;
|
||||
struct resource *res;
|
||||
caddr_t kmdp;
|
||||
uint32_t smapsize;
|
||||
int error, rid;
|
||||
|
||||
/* Retrieve the system memory map from the loader. */
|
||||
kmdp = preload_search_by_type("elf kernel");
|
||||
if (kmdp == NULL)
|
||||
kmdp = preload_search_by_type("elf64 kernel");
|
||||
smapbase = (struct bios_smap *)preload_search_info(kmdp,
|
||||
MODINFO_METADATA | MODINFOMD_SMAP);
|
||||
smapsize = *((u_int32_t *)smapbase - 1);
|
||||
smapend = (struct bios_smap *)((uintptr_t)smapbase + smapsize);
|
||||
|
||||
rid = 0;
|
||||
for (smap = smapbase; smap < smapend; smap++) {
|
||||
if (smap->type != SMAP_TYPE_MEMORY || smap->length == 0)
|
||||
continue;
|
||||
error = bus_set_resource(dev, SYS_RES_MEMORY, rid, smap->base,
|
||||
smap->length);
|
||||
if (error)
|
||||
panic("ram_attach: resource %d failed set with %d", rid,
|
||||
error);
|
||||
res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 0);
|
||||
if (res == NULL)
|
||||
panic("ram_attach: resource %d failed to attach", rid);
|
||||
rid++;
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
|
||||
static device_method_t ram_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_identify, ram_identify),
|
||||
DEVMETHOD(device_probe, ram_probe),
|
||||
DEVMETHOD(device_attach, ram_attach),
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t ram_driver = {
|
||||
"ram",
|
||||
ram_methods,
|
||||
1, /* no softc */
|
||||
};
|
||||
|
||||
static devclass_t ram_devclass;
|
||||
|
||||
DRIVER_MODULE(ram, nexus, ram_driver, ram_devclass, 0, 0);
|
||||
|
||||
#ifdef DEV_ISA
|
||||
/*
|
||||
* Placeholder which claims PnP 'devices' which describe system
|
||||
* resources.
|
||||
*/
|
||||
static struct isa_pnp_id sysresource_ids[] = {
|
||||
{ 0x010cd041 /* PNP0c01 */, "System Memory" },
|
||||
{ 0x020cd041 /* PNP0c02 */, "System Resource" },
|
||||
{ 0 }
|
||||
};
|
||||
|
||||
static int
|
||||
sysresource_probe(device_t dev)
|
||||
{
|
||||
int result;
|
||||
|
||||
if ((result = ISA_PNP_PROBE(device_get_parent(dev), dev, sysresource_ids)) <= 0) {
|
||||
device_quiet(dev);
|
||||
}
|
||||
return(result);
|
||||
}
|
||||
|
||||
static int
|
||||
sysresource_attach(device_t dev)
|
||||
{
|
||||
return(0);
|
||||
}
|
||||
|
||||
static device_method_t sysresource_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_probe, sysresource_probe),
|
||||
DEVMETHOD(device_attach, sysresource_attach),
|
||||
DEVMETHOD(device_detach, bus_generic_detach),
|
||||
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
||||
DEVMETHOD(device_suspend, bus_generic_suspend),
|
||||
DEVMETHOD(device_resume, bus_generic_resume),
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t sysresource_driver = {
|
||||
"sysresource",
|
||||
sysresource_methods,
|
||||
1, /* no softc */
|
||||
};
|
||||
|
||||
static devclass_t sysresource_devclass;
|
||||
|
||||
DRIVER_MODULE(sysresource, isa, sysresource_driver, sysresource_devclass, 0, 0);
|
||||
#endif /* DEV_ISA */
|
||||
@ -121,7 +121,6 @@ amd64/amd64/minidump_machdep.c standard
|
||||
amd64/amd64/mp_machdep.c optional smp
|
||||
amd64/amd64/mp_watchdog.c optional mp_watchdog smp
|
||||
amd64/amd64/mpboot.S optional smp
|
||||
amd64/amd64/nexus.c standard
|
||||
amd64/amd64/pmap.c standard
|
||||
amd64/amd64/prof_machdep.c optional profiling-routine
|
||||
amd64/amd64/sigtramp.S standard
|
||||
@ -325,3 +324,4 @@ x86/x86/mca.c standard
|
||||
x86/x86/mptable.c optional mptable
|
||||
x86/x86/mptable_pci.c optional mptable pci
|
||||
x86/x86/msi.c optional pci
|
||||
x86/x86/nexus.c standard
|
||||
|
||||
@ -290,7 +290,6 @@ i386/xen/mp_machdep.c optional xen smp
|
||||
i386/i386/mp_watchdog.c optional mp_watchdog smp
|
||||
i386/i386/mpboot.s optional smp native
|
||||
i386/xen/mptable.c optional apic xen
|
||||
i386/i386/nexus.c standard
|
||||
i386/i386/perfmon.c optional perfmon
|
||||
i386/i386/pmap.c optional native
|
||||
i386/xen/pmap.c optional xen
|
||||
@ -399,3 +398,4 @@ x86/x86/mca.c standard
|
||||
x86/x86/mptable.c optional apic native
|
||||
x86/x86/mptable_pci.c optional apic pci
|
||||
x86/x86/msi.c optional apic pci
|
||||
x86/x86/nexus.c standard
|
||||
|
||||
@ -156,7 +156,6 @@ i386/i386/mp_clock.c optional smp
|
||||
i386/i386/mp_machdep.c optional smp
|
||||
i386/i386/mp_watchdog.c optional mp_watchdog smp
|
||||
i386/i386/mpboot.s optional smp
|
||||
i386/i386/nexus.c standard
|
||||
i386/i386/perfmon.c optional perfmon
|
||||
i386/i386/pmap.c standard
|
||||
i386/i386/ptrace_machdep.c standard
|
||||
@ -259,3 +258,4 @@ x86/x86/mca.c standard
|
||||
x86/x86/mptable.c optional apic
|
||||
x86/x86/mptable_pci.c optional apic pci
|
||||
x86/x86/msi.c optional apic pci
|
||||
x86/x86/nexus.c standard
|
||||
|
||||
@ -41,13 +41,20 @@ __FBSDID("$FreeBSD$");
|
||||
* and I/O memory address space.
|
||||
*/
|
||||
|
||||
#ifdef __amd64__
|
||||
#define DEV_APIC
|
||||
#else
|
||||
#include "opt_apic.h"
|
||||
#endif
|
||||
#include "opt_isa.h"
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/kernel.h>
|
||||
#ifdef __amd64__
|
||||
#include <sys/linker.h>
|
||||
#endif
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/module.h>
|
||||
#include <machine/bus.h>
|
||||
@ -60,6 +67,10 @@ __FBSDID("$FreeBSD$");
|
||||
#include <vm/pmap.h>
|
||||
#include <machine/pmap.h>
|
||||
|
||||
#ifdef __amd64__
|
||||
#include <machine/metadata.h>
|
||||
#include <machine/pc/bios.h>
|
||||
#endif
|
||||
#include <machine/nexusvar.h>
|
||||
#include <machine/resource.h>
|
||||
|
||||
@ -77,6 +88,14 @@ __FBSDID("$FreeBSD$");
|
||||
#endif
|
||||
#include <sys/rtprio.h>
|
||||
|
||||
#ifdef __amd64__
|
||||
#define RMAN_BUS_SPACE_IO AMD64_BUS_SPACE_IO
|
||||
#define RMAN_BUS_SPACE_MEM AMD64_BUS_SPACE_MEM
|
||||
#else
|
||||
#define RMAN_BUS_SPACE_IO I386_BUS_SPACE_IO
|
||||
#define RMAN_BUS_SPACE_MEM I386_BUS_SPACE_MEM
|
||||
#endif
|
||||
|
||||
static MALLOC_DEFINE(M_NEXUSDEV, "nexusdev", "Nexus device");
|
||||
|
||||
#define DEVTONX(dev) ((struct nexus_device *)device_get_ivars(dev))
|
||||
@ -416,7 +435,7 @@ nexus_activate_resource(device_t bus, device_t child, int type, int rid,
|
||||
#else
|
||||
rman_set_bushandle(r, rman_get_start(r));
|
||||
#endif
|
||||
rman_set_bustag(r, I386_BUS_SPACE_IO);
|
||||
rman_set_bustag(r, RMAN_BUS_SPACE_IO);
|
||||
break;
|
||||
case SYS_RES_MEMORY:
|
||||
#ifdef PC98
|
||||
@ -427,7 +446,7 @@ nexus_activate_resource(device_t bus, device_t child, int type, int rid,
|
||||
#endif
|
||||
vaddr = pmap_mapdev(rman_get_start(r), rman_get_size(r));
|
||||
rman_set_virtual(r, vaddr);
|
||||
rman_set_bustag(r, I386_BUS_SPACE_MEM);
|
||||
rman_set_bustag(r, RMAN_BUS_SPACE_MEM);
|
||||
#ifdef PC98
|
||||
/* PC-98: the type of bus_space_handle_t is the structure. */
|
||||
bh->bsh_base = (bus_addr_t) vaddr;
|
||||
@ -649,6 +668,42 @@ ram_probe(device_t dev)
|
||||
return (0);
|
||||
}
|
||||
|
||||
#ifdef __amd64__
|
||||
static int
|
||||
ram_attach(device_t dev)
|
||||
{
|
||||
struct bios_smap *smapbase, *smap, *smapend;
|
||||
struct resource *res;
|
||||
caddr_t kmdp;
|
||||
uint32_t smapsize;
|
||||
int error, rid;
|
||||
|
||||
/* Retrieve the system memory map from the loader. */
|
||||
kmdp = preload_search_by_type("elf kernel");
|
||||
if (kmdp == NULL)
|
||||
kmdp = preload_search_by_type("elf64 kernel");
|
||||
smapbase = (struct bios_smap *)preload_search_info(kmdp,
|
||||
MODINFO_METADATA | MODINFOMD_SMAP);
|
||||
smapsize = *((u_int32_t *)smapbase - 1);
|
||||
smapend = (struct bios_smap *)((uintptr_t)smapbase + smapsize);
|
||||
|
||||
rid = 0;
|
||||
for (smap = smapbase; smap < smapend; smap++) {
|
||||
if (smap->type != SMAP_TYPE_MEMORY || smap->length == 0)
|
||||
continue;
|
||||
error = bus_set_resource(dev, SYS_RES_MEMORY, rid, smap->base,
|
||||
smap->length);
|
||||
if (error)
|
||||
panic("ram_attach: resource %d failed set with %d", rid,
|
||||
error);
|
||||
res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 0);
|
||||
if (res == NULL)
|
||||
panic("ram_attach: resource %d failed to attach", rid);
|
||||
rid++;
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
#else
|
||||
static int
|
||||
ram_attach(device_t dev)
|
||||
{
|
||||
@ -688,6 +743,7 @@ ram_attach(device_t dev)
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
#endif
|
||||
|
||||
static device_method_t ram_methods[] = {
|
||||
/* Device interface */
|
||||
Loading…
x
Reference in New Issue
Block a user