diff options
Diffstat (limited to 'sys/alpha/tc/mcclock_ioasic.c')
| -rw-r--r-- | sys/alpha/tc/mcclock_ioasic.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/sys/alpha/tc/mcclock_ioasic.c b/sys/alpha/tc/mcclock_ioasic.c deleted file mode 100644 index adbede9..0000000 --- a/sys/alpha/tc/mcclock_ioasic.c +++ /dev/null @@ -1,129 +0,0 @@ -/* $FreeBSD$ */ -/* $NetBSD: mcclock_ioasic.c,v 1.8 1997/09/02 13:20:14 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 <sys/param.h> -#include <sys/kernel.h> -#include <sys/systm.h> -#include <sys/module.h> -#include <sys/bus.h> - -#include <machine/clockvar.h> -#include <dev/dec/mcclockvar.h> - -#include <alpha/tlsb/gbusvar.h> - -#include <alpha/tc/tcreg.h> -#include <alpha/tc/tcvar.h> -#include <alpha/tc/tcdevs.h> -#include <alpha/tc/ioasicreg.h> -#include <alpha/tc/ioasicvar.h> - -#include <dev/dec/mc146818reg.h> - - - -struct mcclock_ioasic_clockdatum { - u_char datum; - char pad[3]; -}; - -#define KV(_addr) ((caddr_t)ALPHA_PHYS_TO_K0SEG((_addr))) -/* - * Registers are 64 bytes apart (and 1 byte wide) - */ -#define REGSHIFT 6 - -struct mcclock_ioasic_softc { - unsigned long regbase; - struct mcclock_ioasic_clockdatum *sc_dp; -}; - -static int mcclock_ioasic_probe(device_t dev); -static int mcclock_ioasic_attach(device_t dev); -static void mcclock_ioasic_write(device_t, u_int, u_int); -static u_int mcclock_ioasic_read(device_t, u_int); - -static device_method_t mcclock_ioasic_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, mcclock_ioasic_probe), - DEVMETHOD(device_attach, mcclock_ioasic_attach), - - /* mcclock interface */ - DEVMETHOD(mcclock_write, mcclock_ioasic_write), - DEVMETHOD(mcclock_read, mcclock_ioasic_read), - - /* clock interface */ - DEVMETHOD(clock_init, mcclock_init), - DEVMETHOD(clock_get, mcclock_get), - DEVMETHOD(clock_set, mcclock_set), - - { 0, 0 } -}; - -static driver_t mcclock_ioasic_driver = { - "mcclock", - mcclock_ioasic_methods, - sizeof(struct mcclock_ioasic_softc), -}; - -static devclass_t mcclock_devclass; - -int -mcclock_ioasic_probe(device_t dev) -{ - device_set_desc(dev, "MC146818A real time clock"); - return 0; -} - -static int -mcclock_ioasic_attach(device_t dev) -{ - struct mcclock_ioasic_softc *sc = device_get_softc(dev); - struct ioasic_dev *ioasic = device_get_ivars(dev); - sc->sc_dp = (struct mcclock_ioasic_clockdatum *)ioasic->iada_addr; - mcclock_attach(dev); - return 0; -} - -void -mcclock_ioasic_write(device_t dev, u_int reg, u_int datum) -{ - struct mcclock_ioasic_softc *sc = device_get_softc(dev); - sc->sc_dp[reg].datum = datum; -} - -u_int -mcclock_ioasic_read(device_t dev, u_int reg) -{ - struct mcclock_ioasic_softc *sc = device_get_softc(dev); - return (sc->sc_dp[reg].datum); -} - -DRIVER_MODULE(mcclock, ioasic, mcclock_ioasic_driver, mcclock_devclass, 0, 0); |
