mirror of
https://github.com/freebsd/freebsd-src
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Support files and a h/w tree description for the PSIM ppc simulator
Approved by: benno
This commit is contained in:
Peter Grehan
parent
11b370b1bb
commit
8860e8c607
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=103620
244
sys/powerpc/psim/ata_iobus.c
Normal file
244
sys/powerpc/psim/ata_iobus.c
Normal file
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@ -0,0 +1,244 @@
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/*
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* Copyright 2002 by Peter Grehan. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
|
||||
* are met:
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||||
* 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.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
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||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 BE LIABLE FOR ANY DIRECT, INDIRECT,
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||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT 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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* $FreeBSD$
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*/
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/*
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* PSIM local bus ATA controller
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*/
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#include "opt_ata.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/disk.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/bio.h>
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#include <sys/malloc.h>
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#include <sys/devicestat.h>
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#include <sys/sysctl.h>
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#include <machine/stdarg.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <dev/ata/ata-all.h>
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#include <dev/ofw/openfirm.h>
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#include <powerpc/psim/iobusvar.h>
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/*
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* Define the iobus ata bus attachment. This creates a pseudo-bus that
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* the ATA device can be attached to
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*/
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static int ata_iobus_attach(device_t dev);
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static int ata_iobus_probe(device_t dev);
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static int ata_iobus_print_child(device_t dev, device_t child);
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struct resource *ata_iobus_alloc_resource(device_t, device_t, int, int *,
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u_long, u_long, u_long, u_int);
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static int ata_iobus_release_resource(device_t, device_t, int, int,
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struct resource *);
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static device_method_t ata_iobus_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ata_iobus_probe),
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DEVMETHOD(device_attach, ata_iobus_attach),
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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 methods */
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DEVMETHOD(bus_print_child, ata_iobus_print_child),
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DEVMETHOD(bus_alloc_resource, ata_iobus_alloc_resource),
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DEVMETHOD(bus_release_resource, ata_iobus_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
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{ 0, 0 }
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};
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static driver_t ata_iobus_driver = {
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"ataiobus",
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ata_iobus_methods,
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0,
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};
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static devclass_t ata_iobus_devclass;
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DRIVER_MODULE(ataiobus, iobus, ata_iobus_driver, ata_iobus_devclass, 0, 0);
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static int
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ata_iobus_probe(device_t dev)
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{
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char *type = iobus_get_name(dev);
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if (strncmp(type, "ata", 3) != 0)
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return (ENXIO);
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device_set_desc(dev, "PSIM ATA Controller");
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return (0);
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}
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static int
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ata_iobus_attach(device_t dev)
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{
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/*
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* Add a single child per controller. Should be able
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* to add two
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*/
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device_add_child(dev, "ata",
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devclass_find_free_unit(ata_devclass, 0));
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return (bus_generic_attach(dev));
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}
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static int
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ata_iobus_print_child(device_t dev, device_t child)
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{
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struct ata_channel *ch = device_get_softc(child);
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int retval = 0;
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retval += bus_print_child_header(dev, child);
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retval += printf(": at 0x%lx", rman_get_start(ch->r_io));
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/* irq ? */
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retval += bus_print_child_footer(dev, child);
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return (retval);
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}
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struct resource *
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ata_iobus_alloc_resource(device_t dev, 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 resource *res = NULL;
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int myrid;
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u_int *ofw_regs;
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ofw_regs = iobus_get_regs(dev);
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/*
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* The reg array for the PSIM ata device has 6 start/size entries:
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* 0 - unused
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* 1/2/3 - unused
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* 4/5/6 - primary command
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* 7/8/9 - secondary command
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* 10/11/12 - primary control
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* 13/14/15 - secondary control
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* 16/17/18 - primary/secondary dma registers, unimplemented
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*
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* The resource values are calculated from these registers
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*/
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if (type == SYS_RES_IOPORT) {
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switch (*rid) {
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case ATA_IOADDR_RID:
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myrid = 0;
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start = ofw_regs[4];
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end = start + ATA_IOSIZE - 1;
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count = ATA_IOSIZE;
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res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
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SYS_RES_MEMORY, &myrid,
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start, end, count, flags);
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break;
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case ATA_ALTADDR_RID:
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myrid = 0;
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start = ofw_regs[10];
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end = start + ATA_ALTIOSIZE - 1;
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count = ATA_ALTIOSIZE;
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res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
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SYS_RES_MEMORY, &myrid,
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start, end, count, flags);
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break;
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case ATA_BMADDR_RID:
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/* DMA not properly supported by psim */
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break;
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}
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return (res);
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} else if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
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/*
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* Pass this on to the parent
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*/
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return (BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
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SYS_RES_IRQ, rid, 0, ~0, 1, flags));
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} else {
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return (NULL);
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}
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}
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static int
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ata_iobus_release_resource(device_t dev, device_t child, int type, int rid,
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struct resource *r)
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{
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/* no hotplug... */
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return (0);
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}
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/*
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* Define the actual ATA device. This is a sub-bus to the ata-iobus layer
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* to allow the higher layer bus to massage the resource allocation.
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*/
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static int ata_iobus_sub_probe(device_t dev);
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static device_method_t ata_iobus_sub_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ata_iobus_sub_probe),
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DEVMETHOD(device_attach, ata_attach),
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DEVMETHOD(device_detach, ata_detach),
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DEVMETHOD(device_resume, ata_resume),
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{ 0, 0 }
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};
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static driver_t ata_iobus_sub_driver = {
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"ata",
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ata_iobus_sub_methods,
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sizeof(struct ata_channel),
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};
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DRIVER_MODULE(ata, ataiobus, ata_iobus_sub_driver, ata_devclass, 0, 0);
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static int
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ata_iobus_sub_probe(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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/* Only a single unit per controller thus far */
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ch->unit = 0;
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return ata_probe(dev);
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}
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409
sys/powerpc/psim/iobus.c
Normal file
409
sys/powerpc/psim/iobus.c
Normal file
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@ -0,0 +1,409 @@
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/*
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* Copyright 2002 by Peter Grehan. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* 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.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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
|
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* PSIM 'iobus' local bus. Should be set up in the device tree like:
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*
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* /iobus@0x80000000/name psim-iobus
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*
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* Code borrowed from various nexus.c and uninorth.c :-)
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <dev/ofw/openfirm.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/resource.h>
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#include <machine/nexusvar.h>
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#include <powerpc/psim/iobusvar.h>
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static MALLOC_DEFINE(M_IOBUS, "iobus", "iobus device information");
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static int iobus_probe(device_t);
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static int iobus_attach(device_t);
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static int iobus_print_child(device_t dev, device_t child);
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static void iobus_probe_nomatch(device_t, device_t);
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static int iobus_read_ivar(device_t, device_t, int, uintptr_t *);
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static int iobus_write_ivar(device_t, device_t, int, uintptr_t);
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static struct resource *iobus_alloc_resource(device_t, device_t, int, int *,
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u_long, u_long, u_long, u_int);
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static int iobus_activate_resource(device_t, device_t, int, int,
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struct resource *);
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static int iobus_deactivate_resource(device_t, device_t, int, int,
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struct resource *);
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static int iobus_release_resource(device_t, device_t, int, int,
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struct resource *);
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/*
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* Bus interface definition
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*/
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static device_method_t iobus_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, iobus_probe),
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DEVMETHOD(device_attach, iobus_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, iobus_print_child),
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DEVMETHOD(bus_probe_nomatch, iobus_probe_nomatch),
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DEVMETHOD(bus_read_ivar, iobus_read_ivar),
|
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DEVMETHOD(bus_write_ivar, iobus_write_ivar),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
|
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DEVMETHOD(bus_alloc_resource, iobus_alloc_resource),
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DEVMETHOD(bus_release_resource, iobus_release_resource),
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DEVMETHOD(bus_activate_resource, iobus_activate_resource),
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DEVMETHOD(bus_deactivate_resource, iobus_deactivate_resource),
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{ 0, 0 }
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};
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static driver_t iobus_driver = {
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"iobus",
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iobus_methods,
|
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sizeof(struct iobus_softc)
|
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};
|
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|
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devclass_t iobus_devclass;
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DRIVER_MODULE(iobus, nexus, iobus_driver, iobus_devclass, 0, 0);
|
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|
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static int
|
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iobus_probe(device_t dev)
|
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{
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char *type = nexus_get_name(dev);
|
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|
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if (strcmp(type, "psim-iobus") != 0)
|
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return (ENXIO);
|
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|
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device_set_desc(dev, "PSIM local bus");
|
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return (0);
|
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}
|
||||
|
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/*
|
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* Add interrupt/addr range to the dev's resource list if present
|
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*/
|
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static void
|
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iobus_add_intr(phandle_t devnode, struct iobus_devinfo *dinfo)
|
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{
|
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u_int intr = -1;
|
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|
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if (OF_getprop(devnode, "interrupt", &intr, sizeof(intr)) != -1) {
|
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resource_list_add(&dinfo->id_resources,
|
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SYS_RES_IRQ, 0, intr, intr, 1);
|
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}
|
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dinfo->id_interrupt = intr;
|
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}
|
||||
|
||||
|
||||
static void
|
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iobus_add_reg(phandle_t devnode, struct iobus_devinfo *dinfo,
|
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vm_offset_t iobus_off)
|
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{
|
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u_int size;
|
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int i;
|
||||
|
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size = OF_getprop(devnode, "reg", dinfo->id_reg,sizeof(dinfo->id_reg));
|
||||
|
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if (size != -1) {
|
||||
dinfo->id_nregs = size / (sizeof(dinfo->id_reg[0]));
|
||||
|
||||
for (i = 0; i < dinfo->id_nregs; i+= 3) {
|
||||
/*
|
||||
* Scale the absolute addresses back to iobus
|
||||
* relative offsets. This is to better simulate
|
||||
* macio
|
||||
*/
|
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dinfo->id_reg[i+1] -= iobus_off;
|
||||
|
||||
resource_list_add(&dinfo->id_resources,
|
||||
SYS_RES_MEMORY, 0,
|
||||
dinfo->id_reg[i+1],
|
||||
dinfo->id_reg[i+1] +
|
||||
dinfo->id_reg[i+2],
|
||||
dinfo->id_reg[i+2]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static int
|
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iobus_attach(device_t dev)
|
||||
{
|
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struct iobus_softc *sc;
|
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struct iobus_devinfo *dinfo;
|
||||
phandle_t root;
|
||||
phandle_t child;
|
||||
device_t cdev;
|
||||
char *name;
|
||||
u_int reg[2];
|
||||
int size;
|
||||
|
||||
sc = device_get_softc(dev);
|
||||
sc->sc_node = nexus_get_node(dev);
|
||||
|
||||
/*
|
||||
* Find the base addr/size of the iobus, and initialize the
|
||||
* resource manager
|
||||
*/
|
||||
size = OF_getprop(sc->sc_node, "reg", reg, sizeof(reg));
|
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if (size == sizeof(reg)) {
|
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sc->sc_addr = reg[0];
|
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sc->sc_size = reg[1];
|
||||
} else {
|
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return (ENXIO);
|
||||
}
|
||||
|
||||
sc->sc_mem_rman.rm_type = RMAN_ARRAY;
|
||||
sc->sc_mem_rman.rm_descr = "IOBus Device Memory";
|
||||
if (rman_init(&sc->sc_mem_rman) != 0) {
|
||||
device_printf(dev,
|
||||
"failed to init mem range resources\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
rman_manage_region(&sc->sc_mem_rman, 0, sc->sc_size);
|
||||
|
||||
/*
|
||||
* Iterate through the sub-devices
|
||||
*/
|
||||
root = sc->sc_node;
|
||||
|
||||
for (child = OF_child(root); child != 0; child = OF_peer(child)) {
|
||||
OF_getprop_alloc(child, "name", 1, (void **)&name);
|
||||
|
||||
cdev = device_add_child(dev, NULL, -1);
|
||||
if (cdev != NULL) {
|
||||
dinfo = malloc(sizeof(*dinfo), M_IOBUS, M_WAITOK);
|
||||
memset(dinfo, 0, sizeof(*dinfo));
|
||||
resource_list_init(&dinfo->id_resources);
|
||||
dinfo->id_node = child;
|
||||
dinfo->id_name = name;
|
||||
iobus_add_intr(child, dinfo);
|
||||
iobus_add_reg(child, dinfo, sc->sc_addr);
|
||||
device_set_ivars(cdev, dinfo);
|
||||
} else {
|
||||
free(name, M_OFWPROP);
|
||||
}
|
||||
}
|
||||
|
||||
return (bus_generic_attach(dev));
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
iobus_print_child(device_t dev, device_t child)
|
||||
{
|
||||
struct iobus_devinfo *dinfo;
|
||||
struct resource_list *rl;
|
||||
int retval = 0;
|
||||
|
||||
dinfo = device_get_ivars(child);
|
||||
rl = &dinfo->id_resources;
|
||||
|
||||
retval += bus_print_child_header(dev, child);
|
||||
|
||||
retval += printf(" offset 0x%x", dinfo->id_reg[1]);
|
||||
retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%ld");
|
||||
|
||||
retval += bus_print_child_footer(dev, child);
|
||||
|
||||
return (retval);
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
iobus_probe_nomatch(device_t dev, device_t child)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
iobus_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
|
||||
{
|
||||
struct iobus_devinfo *dinfo;
|
||||
|
||||
if ((dinfo = device_get_ivars(child)) == 0)
|
||||
return (ENOENT);
|
||||
|
||||
switch (which) {
|
||||
case IOBUS_IVAR_NODE:
|
||||
*result = dinfo->id_node;
|
||||
break;
|
||||
case IOBUS_IVAR_NAME:
|
||||
*result = (uintptr_t)dinfo->id_name;
|
||||
break;
|
||||
case IOBUS_IVAR_NREGS:
|
||||
*result = dinfo->id_nregs;
|
||||
break;
|
||||
case IOBUS_IVAR_REGS:
|
||||
*result = (uintptr_t)dinfo->id_reg;
|
||||
break;
|
||||
default:
|
||||
return (ENOENT);
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
iobus_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
|
||||
{
|
||||
return (EINVAL);
|
||||
}
|
||||
|
||||
|
||||
static struct resource *
|
||||
iobus_alloc_resource(device_t bus, device_t child, int type, int *rid,
|
||||
u_long start, u_long end, u_long count, u_int flags)
|
||||
{
|
||||
struct iobus_softc *sc;
|
||||
int needactivate;
|
||||
struct resource *rv;
|
||||
struct rman *rm;
|
||||
bus_space_tag_t tagval;
|
||||
|
||||
sc = device_get_softc(bus);
|
||||
|
||||
needactivate = flags & RF_ACTIVE;
|
||||
flags &= ~RF_ACTIVE;
|
||||
|
||||
switch (type) {
|
||||
case SYS_RES_MEMORY:
|
||||
case SYS_RES_IOPORT:
|
||||
rm = &sc->sc_mem_rman;
|
||||
tagval = PPC_BUS_SPACE_MEM;
|
||||
if (flags & PPC_BUS_SPARSE4)
|
||||
tagval |= 4;
|
||||
break;
|
||||
case SYS_RES_IRQ:
|
||||
return (bus_alloc_resource(bus, type, rid, start, end, count,
|
||||
flags));
|
||||
break;
|
||||
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_bustag(rv, tagval);
|
||||
rman_set_bushandle(rv, rman_get_start(rv));
|
||||
|
||||
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
|
||||
iobus_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
|
||||
iobus_activate_resource(device_t bus, device_t child, int type, int rid,
|
||||
struct resource *res)
|
||||
{
|
||||
struct iobus_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)) {
|
||||
p = pmap_mapdev((vm_offset_t)rman_get_start(res) + sc->sc_addr,
|
||||
(vm_size_t)rman_get_size(res));
|
||||
if (p == NULL)
|
||||
return (ENOMEM);
|
||||
rman_set_virtual(res, p);
|
||||
rman_set_bushandle(res, (u_long)p);
|
||||
}
|
||||
|
||||
return (rman_activate_resource(res));
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
iobus_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));
|
||||
}
|
||||
73
sys/powerpc/psim/iobusvar.h
Normal file
73
sys/powerpc/psim/iobusvar.h
Normal file
|
|
@ -0,0 +1,73 @@
|
|||
/*
|
||||
* Copyright 2002 by Peter Grehan. 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.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 _PSIM_IOBUSVAR_H_
|
||||
#define _PSIM_IOBUSVAR_H_
|
||||
|
||||
/*
|
||||
* Accessors for iobus devices
|
||||
*/
|
||||
|
||||
enum iobus_ivars {
|
||||
IOBUS_IVAR_NODE,
|
||||
IOBUS_IVAR_NAME,
|
||||
IOBUS_IVAR_NREGS,
|
||||
IOBUS_IVAR_REGS,
|
||||
};
|
||||
|
||||
#define IOBUS_ACCESSOR(var, ivar, type) \
|
||||
__BUS_ACCESSOR(iobus, var, IOBUS, ivar, type)
|
||||
|
||||
IOBUS_ACCESSOR(node, NODE, phandle_t)
|
||||
IOBUS_ACCESSOR(name, NAME, char *)
|
||||
IOBUS_ACCESSOR(nregs, NREGS, u_int)
|
||||
IOBUS_ACCESSOR(regs, REGS, u_int *)
|
||||
|
||||
#undef IOBUS_ACCESSOR
|
||||
|
||||
/*
|
||||
* Per-device structure.
|
||||
*/
|
||||
struct iobus_devinfo {
|
||||
phandle_t id_node;
|
||||
char *id_name;
|
||||
int id_interrupt;
|
||||
u_int id_nregs;
|
||||
u_int id_reg[24];
|
||||
struct resource_list id_resources;
|
||||
};
|
||||
|
||||
struct iobus_softc {
|
||||
phandle_t sc_node;
|
||||
vm_offset_t sc_addr;
|
||||
vm_offset_t sc_size;
|
||||
struct rman sc_mem_rman;
|
||||
};
|
||||
|
||||
#endif /* _PSIM_IOBUSVAR_H_ */
|
||||
74
sys/powerpc/psim/psim-tree
Normal file
74
sys/powerpc/psim/psim-tree
Normal file
|
|
@ -0,0 +1,74 @@
|
|||
# $FreeBSD$
|
||||
#
|
||||
# Simple psim h/w description
|
||||
#
|
||||
|
||||
/#address-cells 1
|
||||
/openprom/options/use-stdio? false
|
||||
#/openprom/options/strict-alignment? true
|
||||
|
||||
#
|
||||
# CPU definition. The phandle property is to help nexus.c locate the
|
||||
# interrupt controller.
|
||||
#
|
||||
/cpus/cpu@0
|
||||
|
||||
#
|
||||
# disk file, done via phb crap. maybe there's a better way.
|
||||
#
|
||||
/phb@0x70000000
|
||||
./device_type "pci
|
||||
./name "pci
|
||||
./#address-cells 3
|
||||
./#size-cells 2
|
||||
./ranges ni0,0,0,0 0xc0000000 0x10000
|
||||
|
||||
/phb@0x70000000/ide@1
|
||||
./device_type "ide
|
||||
./name "ide
|
||||
./assigned-addresses \
|
||||
ni0,0,10,1f0 8 \
|
||||
ni0,0,14,3f8 8 \
|
||||
ni0,0,18,170 8 \
|
||||
ni0,0,1c,378 8 \
|
||||
ni0,0,20,200 8
|
||||
./reg \
|
||||
1 0 \
|
||||
i0,0,10,0 8 \
|
||||
i0,0,18,0 8 \
|
||||
i0,0,14,6 1 \
|
||||
i0,0,1c,6 1 \
|
||||
i0,0,20,0 8
|
||||
./ready-delay 1000
|
||||
|
||||
/phb@0x70000000/ide@1/disk@0/file "PPC.IMG
|
||||
|
||||
#
|
||||
# I/O Bus
|
||||
#
|
||||
/iobus@0x80000000
|
||||
./name psim-iobus
|
||||
./reg 0x80000000 0x20000000
|
||||
|
||||
#
|
||||
# OpenPIC
|
||||
#
|
||||
/iobus@0x80000000/opic@0x80000000
|
||||
./name interrupt-controller
|
||||
./device_type open-pic
|
||||
./compatible psim,open-pic
|
||||
./reg 0x80000000 0x40000
|
||||
./interrupt-ranges 0 256
|
||||
|
||||
/iobus/opic > intr0 int /cpus/cpu@0x0
|
||||
|
||||
#
|
||||
# IDE1
|
||||
#
|
||||
#/iobus@0x80000000/ide@0x80052000
|
||||
# ./name ata-4
|
||||
# ./ioport 1
|
||||
# ./device_type ata
|
||||
# ./interrupt 12
|
||||
# ./reg 0x80052000 8 0x80052010 8 0x80052020 8 0x80052030 1 0x80052040 1 0x80052050 8
|
||||
#/iobus@0x80000000/ide@0x80052000 > a irq12 /iobus/opic
|
||||
109
sys/powerpc/psim/sio_iobus.c
Normal file
109
sys/powerpc/psim/sio_iobus.c
Normal file
|
|
@ -0,0 +1,109 @@
|
|||
/*
|
||||
* Copyright 2002 by Peter Grehan. 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.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
/*
|
||||
* PSIM local bus 16550
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/conf.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/lock.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/mutex.h>
|
||||
#include <sys/module.h>
|
||||
#include <sys/tty.h>
|
||||
#include <machine/bus_pio.h>
|
||||
#include <machine/bus.h>
|
||||
#include <sys/timepps.h>
|
||||
|
||||
#include <dev/ofw/openfirm.h>
|
||||
#include <powerpc/psim/iobusvar.h>
|
||||
|
||||
#include <dev/sio/sioreg.h>
|
||||
#include <dev/sio/siovar.h>
|
||||
|
||||
#include <isa/isavar.h> /* for isa_irq_pending() prototype */
|
||||
|
||||
static int sio_iobus_attach(device_t dev);
|
||||
static int sio_iobus_probe(device_t dev);
|
||||
|
||||
static device_method_t sio_iobus_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_probe, sio_iobus_probe),
|
||||
DEVMETHOD(device_attach, sio_iobus_attach),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t sio_iobus_driver = {
|
||||
sio_driver_name,
|
||||
sio_iobus_methods,
|
||||
0,
|
||||
};
|
||||
|
||||
static int
|
||||
sio_iobus_attach(device_t dev)
|
||||
{
|
||||
return (sioattach(dev, 0, DEFAULT_RCLK));
|
||||
}
|
||||
|
||||
static int
|
||||
sio_iobus_probe(device_t dev)
|
||||
{
|
||||
char *type = iobus_get_name(dev);
|
||||
|
||||
if (strncmp(type, "com", 3) != 0)
|
||||
return (ENXIO);
|
||||
|
||||
|
||||
device_set_desc(dev, "PSIM serial port");
|
||||
|
||||
/*
|
||||
* Call sioprobe with noprobe=1, to avoid hitting a psim bug
|
||||
*/
|
||||
return (sioprobe(dev, 0, 0, 1));
|
||||
}
|
||||
|
||||
DRIVER_MODULE(sio, iobus, sio_iobus_driver, sio_devclass, 0, 0);
|
||||
|
||||
/*
|
||||
* Stub function. Perhaps a way to get this to work correctly would
|
||||
* be for child devices to set a field in the dev structure to
|
||||
* inform the parent that they are isa devices, and then use a
|
||||
* intr_pending() call which would propagate up to nexus to see
|
||||
* if the interrupt controller had any intrs in the isa group set
|
||||
*/
|
||||
intrmask_t
|
||||
isa_irq_pending(void)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
109
sys/powerpc/psim/uart_iobus.c
Normal file
109
sys/powerpc/psim/uart_iobus.c
Normal file
|
|
@ -0,0 +1,109 @@
|
|||
/*
|
||||
* Copyright 2002 by Peter Grehan. 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.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
/*
|
||||
* PSIM local bus 16550
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/conf.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/lock.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/mutex.h>
|
||||
#include <sys/module.h>
|
||||
#include <sys/tty.h>
|
||||
#include <machine/bus_pio.h>
|
||||
#include <machine/bus.h>
|
||||
#include <sys/timepps.h>
|
||||
|
||||
#include <dev/ofw/openfirm.h>
|
||||
#include <powerpc/psim/iobusvar.h>
|
||||
|
||||
#include <dev/sio/sioreg.h>
|
||||
#include <dev/sio/siovar.h>
|
||||
|
||||
#include <isa/isavar.h> /* for isa_irq_pending() prototype */
|
||||
|
||||
static int sio_iobus_attach(device_t dev);
|
||||
static int sio_iobus_probe(device_t dev);
|
||||
|
||||
static device_method_t sio_iobus_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_probe, sio_iobus_probe),
|
||||
DEVMETHOD(device_attach, sio_iobus_attach),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t sio_iobus_driver = {
|
||||
sio_driver_name,
|
||||
sio_iobus_methods,
|
||||
0,
|
||||
};
|
||||
|
||||
static int
|
||||
sio_iobus_attach(device_t dev)
|
||||
{
|
||||
return (sioattach(dev, 0, DEFAULT_RCLK));
|
||||
}
|
||||
|
||||
static int
|
||||
sio_iobus_probe(device_t dev)
|
||||
{
|
||||
char *type = iobus_get_name(dev);
|
||||
|
||||
if (strncmp(type, "com", 3) != 0)
|
||||
return (ENXIO);
|
||||
|
||||
|
||||
device_set_desc(dev, "PSIM serial port");
|
||||
|
||||
/*
|
||||
* Call sioprobe with noprobe=1, to avoid hitting a psim bug
|
||||
*/
|
||||
return (sioprobe(dev, 0, 0, 1));
|
||||
}
|
||||
|
||||
DRIVER_MODULE(sio, iobus, sio_iobus_driver, sio_devclass, 0, 0);
|
||||
|
||||
/*
|
||||
* Stub function. Perhaps a way to get this to work correctly would
|
||||
* be for child devices to set a field in the dev structure to
|
||||
* inform the parent that they are isa devices, and then use a
|
||||
* intr_pending() call which would propagate up to nexus to see
|
||||
* if the interrupt controller had any intrs in the isa group set
|
||||
*/
|
||||
intrmask_t
|
||||
isa_irq_pending(void)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
Loading…
Reference in a new issue