diff options
Diffstat (limited to 'sys/dev/pci/adw_pci.c')
| -rw-r--r-- | sys/dev/pci/adw_pci.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/sys/dev/pci/adw_pci.c b/sys/dev/pci/adw_pci.c new file mode 100644 index 00000000000..f4b17475da7 --- /dev/null +++ b/sys/dev/pci/adw_pci.c @@ -0,0 +1,194 @@ +/* $OpenBSD: adw_pci.c,v 1.1 1998/11/17 06:11:05 downsj Exp $ */ +/* $NetBSD: adw_pci.c,v 1.2 1998/09/26 19:53:34 dante Exp $ */ + +/* + * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved. + * + * Author: Baldassare Dante Profeta <dante@mclink.it> + * + * 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. + */ +/* + * Device probe and attach routines for the following + * Advanced Systems Inc. SCSI controllers: + * + * Single Channel Products: + * ABP940UW - Bus-Master PCI Ultra-Wide (240 CDB) + */ + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/malloc.h> +#include <sys/kernel.h> +#include <sys/queue.h> +#include <sys/device.h> + +#include <machine/bus.h> +#include <machine/intr.h> + +#include <scsi/scsi_all.h> +#include <scsi/scsiconf.h> + +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> +#include <dev/pci/pcidevs.h> + +#include <dev/ic/adwlib.h> +#include <dev/ic/adw.h> + +/******************************************************************************/ + +#define PCI_CBIO 0x10 + +/******************************************************************************/ + +int adw_pci_match __P((struct device *, void *, void *)); +void adw_pci_attach __P((struct device *, struct device *, void *)); + +struct cfattach adw_pci_ca = +{ + sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach +}; + +/******************************************************************************/ +/* + * Check the slots looking for a board we recognise + * If we find one, note it's address (slot) and call + * the actual probe routine to check it out. + */ +int +adw_pci_match(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + struct pci_attach_args *pa = aux; + + if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) + switch (PCI_PRODUCT(pa->pa_id)) { + case PCI_PRODUCT_ADVSYS_WIDE: + return (1); + } + + return 0; +} + + +void +adw_pci_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct pci_attach_args *pa = aux; + ADW_SOFTC *sc = (void *) self; + bus_space_handle_t ioh; + bus_addr_t adwbase; + bus_size_t adwsize; + pci_intr_handle_t ih; + pci_chipset_tag_t pc = pa->pa_pc; + u_int32_t command; + const char *intrstr; + int retval; + + + sc->sc_flags = 0x0; + + /* + * Latency timer settings. + */ + { + u_int32_t bhlcr; + + bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); + + if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_WIDE) && + (PCI_LATTIMER(bhlcr) < 0x20)) { + bhlcr &= 0xFFFF00FFUL; + bhlcr |= 0x00002000UL; + pci_conf_write(pa->pa_pc, pa->pa_tag, + PCI_BHLC_REG, bhlcr); + } + } + + + if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_WIDE) && + (command & PCI_COMMAND_PARITY_ENABLE) == 0) { + sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR; + } + /* + * Map Device Registers for I/O + */ + retval = pci_io_find(pc, pa->pa_tag, PCI_CBIO, &adwbase, &adwsize); + if (retval == 0) + retval = bus_space_map(pa->pa_iot, adwbase, adwsize, 0, &ioh); + if (retval) { + printf("\n%s: unable to map device registers\n", + sc->sc_dev.dv_xname); + return; + } + sc->sc_iot = pa->pa_iot; + sc->sc_ioh = ioh; + sc->sc_dmat = pa->pa_dmat; + + /* + * Initialize the board + */ + if (adw_init(sc)) + panic("adw_pci_attach: adw_init failed"); + + /* + * Map Interrupt line + */ + if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, + pa->pa_intrline, &ih)) { + printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); + return; + } + intrstr = pci_intr_string(pc, ih); + + /* + * Establish Interrupt handler + */ + sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc, + sc->sc_dev.dv_xname); + if (sc->sc_ih == NULL) { + printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname); + if (intrstr != NULL) + printf(" at %s", intrstr); + printf("\n"); + return; + } + printf(": %s\n", intrstr); + + /* + * Attach all the sub-devices we can find + */ + adw_attach(sc); +} +/******************************************************************************/ |