diff options
Diffstat (limited to 'sys/alpha/tc/tcasic.c')
| -rw-r--r-- | sys/alpha/tc/tcasic.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/sys/alpha/tc/tcasic.c b/sys/alpha/tc/tcasic.c new file mode 100644 index 0000000..1dd4fee --- /dev/null +++ b/sys/alpha/tc/tcasic.c @@ -0,0 +1,115 @@ +/* $Id$ */ +/* from $NetBSD: tcasic.c,v 1.23 1998/05/14 00:01:31 thorpej Exp $ */ + +/* + * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#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/rpb.h> + +/*#include <alpha/tc/dwlpxreg.h>*/ + +#define KV(pa) ALPHA_PHYS_TO_K0SEG(pa) + +static devclass_t tcasic_devclass; +static device_t tcasic0; /* XXX only one for now */ + +struct tcasic_softc { + vm_offset_t dmem_base; /* dense memory */ + vm_offset_t smem_base; /* sparse memory */ + vm_offset_t io_base; /* sparse i/o */ + vm_offset_t cfg_base; /* sparse pci config */ +}; + +#define TCASIC_SOFTC(dev) (struct tcasic_softc*) device_get_softc(dev) + +static int tcasic_probe(device_t dev); +static int tcasic_attach(device_t dev); +static void tcasic_print_child(device_t bus, device_t dev); + +static device_method_t tcasic_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, tcasic_probe), + DEVMETHOD(device_attach, tcasic_attach), + DEVMETHOD(bus_print_child, tcasic_print_child), + { 0, 0 } +}; + +static driver_t tcasic_driver = { + "tcasic", + tcasic_methods, + DRIVER_TYPE_MISC, + sizeof(struct tcasic_softc), +}; + +extern device_t tc0; +static int +tcasic_probe(device_t dev) +{ + if (tcasic0) + return ENXIO; + if((hwrpb->rpb_type != ST_DEC_3000_300) && + (hwrpb->rpb_type != ST_DEC_3000_500)) + return ENXIO; + tcasic0 = dev; + device_set_desc(dev, "Turbochannel Host Bus Adapter"); + tc0 = device_add_child(dev, "tc", 0, 0); + return 0; +} + +static int +tcasic_attach(device_t dev) +{ + struct tcasic_softc* sc = TCASIC_SOFTC(dev); + device_t parent = device_get_parent(dev); + vm_offset_t regs; + tcasic0 = dev; + +/* chipset = tcasic_chipset;*/ + chipset.intrdev = dev; + device_probe_and_attach(tc0); + return 0; +} + +static void +tcasic_print_child(device_t bus, device_t dev) +{ + printf(" at %s%d", + device_get_name(bus), device_get_unit(bus)); +} + + + +DRIVER_MODULE(tcasic, root, tcasic_driver, tcasic_devclass, 0, 0); + |
