diff options
Diffstat (limited to 'sys/arch/mvme68k/dev/dart_lrc.c')
| -rw-r--r-- | sys/arch/mvme68k/dev/dart_lrc.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sys/arch/mvme68k/dev/dart_lrc.c b/sys/arch/mvme68k/dev/dart_lrc.c new file mode 100644 index 00000000000..576af188e1a --- /dev/null +++ b/sys/arch/mvme68k/dev/dart_lrc.c @@ -0,0 +1,106 @@ +/* $OpenBSD: dart_lrc.c,v 1.1 2009/03/01 21:40:49 miod Exp $ */ +/* + * Copyright (c) 2006, 2009, Miodrag Vallat + * + * 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 ``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. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> + +#include <machine/autoconf.h> +#include <machine/cpu.h> + +#include <mvme68k/dev/lrcreg.h> + +#include <mvme68k/dev/dartreg.h> +#include <mvme68k/dev/dartvar.h> + +int dart_lrc_match(struct device *parent, void *self, void *aux); +void dart_lrc_attach(struct device *parent, struct device *self, void *aux); + +struct cfattach dartlrc_ca = { + sizeof(struct dartsoftc), dart_lrc_match, dart_lrc_attach +}; + +int +dart_lrc_match(struct device *parent, void *cf, void *aux) +{ + struct confargs *ca = aux; +#if 0 + bus_space_handle_t ioh; + int rc; +#endif + + if (cputyp != CPU_165) + return (0); + + /* + * We do not accept empty locators here... + */ + if (ca->ca_paddr != CONSOLE_DART_BASE) + return (0); + +#if 0 /* overkill, this is the console so if we've run so far, it exists */ + if (bus_space_map(ca->ca_iot, ca->ca_paddr, DART_SIZE, 0, &ioh) != 0) + return (0); + rc = badvaddr((vaddr_t)bus_space_vaddr(ca->ca_iot, ioh) + 3, 1); + bus_space_unmap(ca->ca_iot, ca->ca_paddr, DART_SIZE); + + return (rc == 0); +#else + return (1); +#endif +} + +void +dart_lrc_attach(struct device *parent, struct device *self, void *aux) +{ + struct dartsoftc *sc = (struct dartsoftc *)self; + struct confargs *ca = aux; + bus_space_handle_t ioh; + + if (ca->ca_ipl < 0) + ca->ca_ipl = IPL_TTY; + + sc->sc_iot = ca->ca_iot; + if (bus_space_map(sc->sc_iot, ca->ca_paddr, DART_SIZE, 0, &ioh) != 0) { + printf(": can't map registers!\n"); + return; + } + sc->sc_ioh = ioh; + + sc->sc_console = 1; /* there can't be any other */ + printf(": console"); + + /* enable interrupts */ + sc->sc_ih.ih_fn = dartintr; + sc->sc_ih.ih_arg = sc; + sc->sc_ih.ih_wantframe = 0; + sc->sc_ih.ih_ipl = ca->ca_ipl; + + lrcintr_establish(LRCVEC_DART, &sc->sc_ih, self->dv_xname); + + sc->sc_vec = LRC_VECBASE + LRCVEC_DART; + dart_common_attach(sc); +} |