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/*-
* Copyright (c) 2000 Andrew Gallatin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_cpu.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <sys/malloc.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <alpha/isa/isavar.h>
#include <alpha/pci/irongatereg.h>
#include <alpha/pci/irongatevar.h>
#include <machine/bwx.h>
#include <machine/cpuconf.h>
#include <machine/intr.h>
#include <machine/intrcnt.h>
#include <machine/md_var.h>
#include <machine/resource.h>
#include <machine/rpb.h>
#include <machine/sgmap.h>
#include <vm/vm.h>
#include <vm/vm_page.h>
#define KV(pa) ALPHA_PHYS_TO_K0SEG(pa)
static devclass_t irongate_devclass;
static device_t irongate0; /* XXX only one for now */
struct irongate_softc {
int junk; /* no softc */
};
#define IRONGATE_SOFTC(dev) (struct irongate_softc*) device_get_softc(dev)
static alpha_chipset_read_hae_t irongate_read_hae;
static alpha_chipset_write_hae_t irongate_write_hae;
static alpha_chipset_t irongate_chipset = {
irongate_read_hae,
irongate_write_hae,
};
/*
* There doesn't appear to be an hae on this platform
*/
static u_int64_t
irongate_read_hae(void)
{
return 0;
}
static void
irongate_write_hae(u_int64_t hae)
{
}
static int irongate_probe(device_t dev);
static int irongate_attach(device_t dev);
static device_method_t irongate_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, irongate_probe),
DEVMETHOD(device_attach, irongate_attach),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_setup_intr, isa_setup_intr),
DEVMETHOD(bus_teardown_intr, isa_teardown_intr),
{ 0, 0 }
};
static driver_t irongate_driver = {
"irongate",
irongate_methods,
sizeof(struct irongate_softc),
};
void
irongate_init()
{
static int initted = 0;
static struct bwx_space io_space, mem_space;
if (initted) return;
initted = 1;
chipset = irongate_chipset;
bwx_init_space(&io_space, KV(IRONGATE_IO));
bwx_init_space(&mem_space, KV(IRONGATE_MEM));
busspace_isa_io = (struct alpha_busspace *) &io_space;
busspace_isa_mem = (struct alpha_busspace *) &mem_space;
if (platform.pci_intr_init)
platform.pci_intr_init();
}
static int
irongate_probe(device_t dev)
{
if (irongate0)
return ENXIO;
irongate0 = dev;
device_set_desc(dev, "AMD 751 Core Logic chipset");
isa_init_intr();
device_add_child(dev, "pcib", 0);
return 0;
}
static int
irongate_attach(device_t dev)
{
irongate_init();
if (!platform.iointr) /* XXX */
set_iointr(alpha_dispatch_intr);
snprintf(chipset_type, sizeof(chipset_type), "irongate");
chipset_bwx = 1;
chipset_ports = IRONGATE_IO;
chipset_memory = IRONGATE_MEM;
chipset_dense = IRONGATE_MEM;
/* no s/g support in this chipset, must use bounce-buffers */
chipset.sgmap = NULL;
chipset.pci_sgmap = NULL;
chipset.dmsize = 4UL * 1024UL * 1024UL * 1024UL;
chipset.dmoffset = 0;
bus_generic_attach(dev);
return 0;
}
DRIVER_MODULE(irongate, root, irongate_driver, irongate_devclass, 0, 0);
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