diff options
Diffstat (limited to 'sys/arch/vax/uba/uba_mainbus.c')
| -rw-r--r-- | sys/arch/vax/uba/uba_mainbus.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/sys/arch/vax/uba/uba_mainbus.c b/sys/arch/vax/uba/uba_mainbus.c deleted file mode 100644 index fc8b5a219cf..00000000000 --- a/sys/arch/vax/uba/uba_mainbus.c +++ /dev/null @@ -1,133 +0,0 @@ -/* $OpenBSD: uba_mainbus.c,v 1.3 2003/06/02 23:27:58 millert Exp $ */ -/* $NetBSD: uba_mainbus.c,v 1.2 1999/06/06 19:00:53 ragge Exp $ */ -/* - * Copyright (c) 1996 Jonathan Stone. - * Copyright (c) 1994, 1996 Ludd, University of Lule}, Sweden. - * Copyright (c) 1982, 1986 The Regents of the University of California. - * 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. - * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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. - * - * @(#)uba.c 7.10 (Berkeley) 12/16/90 - * @(#)autoconf.c 7.20 (Berkeley) 5/9/91 - */ - -#include <sys/param.h> -#include <sys/device.h> -#include <sys/systm.h> - -#define _VAX_BUS_DMA_PRIVATE -#include <machine/bus.h> -#include <machine/mtpr.h> -#include <machine/nexus.h> -#include <machine/cpu.h> -#include <machine/sgmap.h> - -#include <arch/vax/qbus/ubavar.h> - -#include <arch/vax/uba/uba_common.h> - -/* Some Qbus-specific defines */ -#define QBASIZE (8192 * VAX_NBPG) -#define QBAMAP 0x20088000 -#define QIOPAGE 0x20000000 - -/* - * The Q22 bus is the main IO bus on MicroVAX II/MicroVAX III systems. - * It has an address space of 4MB (22 address bits), therefore the name, - * and is hardware compatible with all 16 and 18 bits Q-bus devices. - */ -static int qba_match(struct device *, struct cfdata *, void *); -static void qba_attach(struct device *, struct device *, void *); -static void qba_beforescan(struct uba_softc*); -static void qba_init(struct uba_softc*); - -struct cfattach uba_mainbus_ca = { - sizeof(struct uba_vsoftc), qba_match, qba_attach -}; - -extern struct vax_bus_space vax_mem_bus_space; - -int -qba_match(parent, vcf, aux) - struct device *parent; - struct cfdata *vcf; - void *aux; -{ - struct bp_conf *bp = aux; - - if (strcmp(bp->type, "uba")) - return 0; - - return 1; -} - -void -qba_attach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct uba_vsoftc *sc = (void *)self; - - printf(": Q22\n"); - /* - * Fill in bus specific data. - */ - sc->uv_sc.uh_beforescan = qba_beforescan; - sc->uv_sc.uh_ubainit = qba_init; - sc->uv_sc.uh_iot = &vax_mem_bus_space; - sc->uv_sc.uh_dmat = &sc->uv_dmat; - - /* - * Fill in variables used by the sgmap system. - */ - sc->uv_size = QBASIZE; /* Size in bytes of Qbus space */ - sc->uv_addr = QBAMAP; /* Physical address of map registers */ - - uba_dma_init(sc); - uba_attach(&sc->uv_sc, QIOPAGE); -} - -/* - * Called when the QBA is set up; to enable DMA access from - * QBA devices to main memory. - */ -void -qba_beforescan(sc) - struct uba_softc *sc; -{ -#define QIPCR 0x1f40 -#define Q_LMEAE 0x20 - bus_space_write_2(sc->uh_tag, sc->uh_ioh, QIPCR, Q_LMEAE); -} - -void -qba_init(sc) - struct uba_softc *sc; -{ - mtpr(0, PR_IUR); - DELAY(500000); - qba_beforescan(sc); -} |