Support SA1111 companion chip.
This commit is contained in:
toshii
parent
941da355cf
commit
2d36b2225d
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@ -0,0 +1,312 @@
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/* $NetBSD: sa1111.c,v 1.1 2001/03/10 18:50:37 toshii Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by IWAMOTO Toshihiro.
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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
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||||
* 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.
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||||
* 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.
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||||
* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* TODO:
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* - implement IPL in intr handler
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* - separate machine specific attach code
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* - introduce bus abstraction to support SA1101
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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/types.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/uio.h>
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#include <machine/bus.h>
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#include <hpcarm/sa11x0/sa11x0_reg.h>
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#include <hpcarm/sa11x0/sa11x0_var.h>
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#include <hpcarm/sa11x0/sa11x0_gpioreg.h>
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#include <hpcarm/sa11x0/sa1111_reg.h>
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#include <hpcarm/sa11x0/sa1111_var.h>
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static int sacc_match(struct device *, struct cfdata *, void *);
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static void sacc_attach(struct device *, struct device *, void *);
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static int sa1111_search(struct device *, struct cfdata *, void *);
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static int sa1111_print(void *, const char *);
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static int sacc_intr_dispatch(void *);
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static void sacc_stray_interrupt(struct sacc_softc *, int);
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static void sacc_intr_calculatemasks(struct sacc_softc *);
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struct cfattach sacc_ca = {
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sizeof(struct sacc_softc), sacc_match, sacc_attach
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};
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#ifdef INTR_DEBUG
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#define DPRINTF(arg) printf arg
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#else
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#define DPRINTF(arg)
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#endif
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static int
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sacc_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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return (0);
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}
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static void
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sacc_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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int i;
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struct sacc_softc *sc = (struct sacc_softc *)self;
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struct sa11x0_softc *psc = (struct sa11x0_softc *)parent;
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struct sa11x0_attach_args *sa = aux;
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sc->sc_iot = sa->sa_iot;
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sc->sc_piot = psc->sc_iot;
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sc->sc_gpioh = psc->sc_gpioh;
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sc->sc_gpiomask = 2; /* XXX jornada 720 */
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if (bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0,
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&sc->sc_ioh)) {
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printf("%s: unable to map registers\n", sc->sc_dev.dv_xname);
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return;
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}
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for(i = 0; i < SACCIC_LEN; i++)
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sc->sc_intrhand[i] = NULL;
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/* initialize SA1111 interrupt controller */
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bus_space_write_4(sc->sc_iot, sc->sc_ioh, SACCIC_INTEN0, 0);
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bus_space_write_4(sc->sc_iot, sc->sc_ioh, SACCIC_INTEN1, 0);
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bus_space_write_4(sc->sc_iot, sc->sc_ioh, SACCIC_INTTSTSEL, 0);
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bus_space_write_4(sc->sc_iot, sc->sc_ioh,
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SACCIC_INTSTATCLR0, 0xffffffff);
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bus_space_write_4(sc->sc_iot, sc->sc_ioh,
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SACCIC_INTSTATCLR1, 0xffffffff);
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/* connect to SA1110's GPIO intr */
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#ifdef notyet
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sa11x0_cascade_intr_establish(0, xx, 1, sacc_intr_probe, sc);
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#endif
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sa11x0_intr_establish(0, 1 /* XXX pdattach->sacc->irq */,
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1, IPL_BIO, sacc_intr_dispatch, sc);
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/*
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* Attach each devices
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*/
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config_search(sa1111_search, self, sa1111_print);
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}
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static int
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sa1111_search(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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if ((*cf->cf_attach->ca_match)(parent, cf, NULL) > 0)
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config_attach(parent, cf, NULL, sa1111_print);
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return 0;
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}
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static int
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sa1111_print(aux, name)
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void *aux;
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const char *name;
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{
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printf("\n");
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return (UNCONF);
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}
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static int
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sacc_intr_dispatch(arg)
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void *arg;
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{
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int i, handled;
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u_int32_t mask;
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struct sacc_intrvec intstat;
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struct sacc_softc *sc = arg;
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struct sacc_intrhand *ih;
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intstat.lo =
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bus_space_read_4(sc->sc_iot, sc->sc_ioh, SACCIC_INTSTATCLR0);
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intstat.hi =
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bus_space_read_4(sc->sc_iot, sc->sc_ioh, SACCIC_INTSTATCLR1);
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DPRINTF(("sacc_intr_dispatch: %x %x\n", intstat.lo, intstat.hi));
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/* process the intrs which have the highest IPL */
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#ifdef notyet
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intstat.lo &= sc->sc_imask[xx].lo;
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intstat.hi &= sc->sc_imask[xx].hi;
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#endif
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for(i = 0, mask = 1; i < 32; i++, mask <<= 1)
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if (intstat.lo & mask) {
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/* clear SA1110's GPIO intr status */
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bus_space_write_4(sc->sc_piot, sc->sc_gpioh,
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SAGPIO_EDR, sc->sc_gpiomask);
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handled = 0;
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for(ih = sc->sc_intrhand[i]; ih; ih = ih->ih_next)
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handled = handled |
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((ih->ih_fun)(ih->ih_arg) == 1);
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/* always clear intr status here */
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bus_space_write_4(sc->sc_iot, sc->sc_ioh,
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SACCIC_INTSTATCLR0, 1 << i);
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if (! handled)
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sacc_stray_interrupt(sc, i + 32);
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}
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for(i = 0, mask = 1; i < SACCIC_LEN - 32; i++, mask <<= 1)
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if (intstat.hi & mask) {
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/* clear SA1110's GPIO intr status */
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bus_space_write_4(sc->sc_piot, sc->sc_gpioh,
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SAGPIO_EDR, sc->sc_gpiomask);
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handled = 0;
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for(ih = sc->sc_intrhand[i + 32]; ih; ih = ih->ih_next)
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handled = handled |
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((ih->ih_fun)(ih->ih_arg) == 1);
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bus_space_write_4(sc->sc_iot, sc->sc_ioh,
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SACCIC_INTSTATCLR1, 1 << i);
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if (! handled)
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sacc_stray_interrupt(sc, i + 32);
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}
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return 1;
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}
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static void
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sacc_stray_interrupt(sc, irq)
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struct sacc_softc *sc;
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int irq;
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{
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printf("sacc_stray_interrupt\n");
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}
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void *
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sacc_intr_establish(ic, irq, type, level, ih_fun, ih_arg)
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sacc_chipset_tag_t *ic;
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int irq, type, level;
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int (*ih_fun)(void *);
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void *ih_arg;
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{
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int s;
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struct sacc_softc *sc = (struct sacc_softc *)ic;
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struct sacc_intrhand **p, *ih;
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/* no point in sleeping unless someone can free memory. */
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ih = malloc(sizeof *ih, M_DEVBUF, cold ? M_NOWAIT : M_WAITOK);
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if (ih == NULL)
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panic("sacc_intr_establish: can't malloc handler info");
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if (irq < 0 || irq > SACCIC_LEN || type == IST_NONE)
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panic("sacc_intr_establish: bogus irq or type");
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/* All interrupts are edge intrs. */
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/* install intr handler */
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ih->ih_fun = ih_fun;
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ih->ih_arg = ih_arg;
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ih->ih_irq = irq;
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ih->ih_next = NULL;
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s = splhigh();
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for(p = &sc->sc_intrhand[irq]; *p; p = &(*p)->ih_next)
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;
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*p = ih;
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sacc_intr_calculatemasks(sc);
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splx(s);
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return(ih);
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}
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void
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sacc_intr_disestablish(ic, arg)
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sacc_chipset_tag_t *ic;
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void *arg;
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{
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int irq;
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struct sacc_softc *sc = (struct sacc_softc *)ic;
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struct sacc_intrhand *ih, **p;
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ih = (struct sacc_intrhand *)ic;
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irq = ih->ih_irq;
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#ifdef DIAGNOSTIC
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if (irq < 0 || irq > SACCIC_LEN)
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panic("sacc_intr_disestablish: bogus irq");
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#endif
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for(p = &sc->sc_intrhand[irq];; p = &(*p)->ih_next) {
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if (*p == NULL)
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panic("sacc_intr_disestablish: handler not registered");
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if (*p == ih)
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break;
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}
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*p = (*p)->ih_next;
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free(ih, M_DEVBUF);
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}
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void
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sacc_intr_calculatemasks(sc)
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struct sacc_softc *sc;
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{
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int irq;
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sc->sc_imask[0].lo = 0;
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sc->sc_imask[0].hi = 0;
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for(irq = 0; irq < 32; irq++)
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if (sc->sc_intrhand[irq])
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sc->sc_imask[0].lo |= (1 << irq);
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for(irq = 0; irq < SACCIC_LEN - 32; irq++)
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if (sc->sc_intrhand[irq + 32])
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sc->sc_imask[0].hi |= (1 << irq);
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/* XXX this should not be done here */
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bus_space_write_4(sc->sc_iot, sc->sc_ioh, SACCIC_INTEN0,
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sc->sc_imask[0].lo);
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bus_space_write_4(sc->sc_iot, sc->sc_ioh, SACCIC_INTEN1,
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sc->sc_imask[0].hi);
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DPRINTF(("sacc_intr_calculatemasks: %x %x\n", sc->sc_imask[0].lo,
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sc->sc_imask[0].hi));
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}
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@ -0,0 +1,72 @@
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/* $NetBSD: sa1111_reg.h,v 1.1 2001/03/10 18:50:38 toshii Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
|
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* by IWAMOTO Toshihiro.
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*
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* 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. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
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||||
*/
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/* Interrupt Controller */
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/* number of interrupt bits */
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#define SACCIC_LEN 55
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#define SACCIC_INTTEST0 0x1600
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#define SACCIC_INTTEST1 0x1604
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#define SACCIC_INTEN0 0x1608
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#define SACCIC_INTEN1 0x160C
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#define SACCIC_INTPOL0 0x1610
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#define SACCIC_INTPOL1 0x1614
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#define SACCIC_INTTSTSEL 0x1618
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#define SACCIC_INTSTATCLR0 0x161C
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#define SACCIC_INTSTATCLR1 0x1620
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#define SACCIC_INTSET0 0x1624
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#define SACCIC_INTSET1 0x1628
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#define SACCIC_WAKE_EN0 0x162C
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#define SACCIC_WAKE_EN1 0x1630
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#define SACCIC_WAKE_POL0 0x1634
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#define SACCIC_WAKE_POL1 0x1638
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/* GPIO registers */
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#define SACCGPIOA_DDR 0x1000 /* data direction */
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#define SACCGPIOA_DVR 0x1004 /* data value */
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#define SACCGPIOA_SDR 0x1008 /* sleep direction */
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#define SACCGPIOA_SSR 0x100C /* sleep state */
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#define SACCGPIOB_DDR 0x1010
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#define SACCGPIOB_DVR 0x1014
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#define SACCGPIOB_SDR 0x1018
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#define SACCGPIOB_SSR 0x101C
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#define SACCGPIOC_DDR 0x1020
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#define SACCGPIOC_DVR 0x1024
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#define SACCGPIOC_SDR 0x1028
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#define SACCGPIOC_SSR 0x102C
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@ -0,0 +1,71 @@
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/* $NetBSD: sa1111_var.h,v 1.1 2001/03/10 18:50:38 toshii Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by IWAMOTO Toshihiro.
|
||||
*
|
||||
* 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. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
||||
*/
|
||||
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struct sacc_intrhand {
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int (*ih_fun)(void *);
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void *ih_arg;
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int ih_irq;
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#ifdef notyet
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int ih_level;
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#endif
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struct sacc_intrhand *ih_next;
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};
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struct sacc_intrvec {
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u_int32_t lo; /* bits 0..31 */
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u_int32_t hi; /* bits 32..54 */
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};
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struct sacc_softc {
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struct device sc_dev;
|
||||
bus_space_tag_t sc_iot;
|
||||
bus_space_handle_t sc_ioh;
|
||||
bus_space_tag_t sc_piot; /* parent(SA1110)'s iot */
|
||||
bus_space_handle_t sc_gpioh;
|
||||
|
||||
u_int32_t sc_gpiomask; /* SA1110 GPIO mask */
|
||||
|
||||
struct sacc_intrvec sc_imask[NIPL];
|
||||
struct sacc_intrhand *sc_intrhand[SACCIC_LEN];
|
||||
};
|
||||
|
||||
typedef void *sacc_chipset_tag_t;
|
||||
|
||||
void *sacc_intr_establish(sacc_chipset_tag_t *, int, int, int,
|
||||
int (*)(void *), void *);
|
||||
void sacc_intr_disestablish(sacc_chipset_tag_t *, void *);
|
||||
Loading…
Reference in New Issue