256 lines
7.6 KiB
C
256 lines
7.6 KiB
C
/* $NetBSD: adv_pci.c,v 1.5 1998/09/26 15:52:55 dante Exp $ */
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/*
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* Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
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*
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* Author: Baldassare Dante Profeta <dante@mclink.it>
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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
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* 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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* Device probe and attach routines for the following
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* Advanced Systems Inc. SCSI controllers:
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*
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* Connectivity Products:
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* ABP920 - Bus-Master PCI (16 CDB)
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* ABP930 - Bus-Master PCI (16 CDB) (Footnote 1)
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* ABP930U - Bus-Master PCI Ultra (16 CDB)
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* ABP930UA - Bus-Master PCI Ultra (16 CDB)
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* ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2)
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* ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) (Footnote 2)
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*
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* Single Channel Products:
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* ABP940 - Bus-Master PCI (240 CDB)
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* ABP940U - Bus-Master PCI Ultra (240 CDB)
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* ABP970 - Bus-Master PCI MAC/PC (240 CDB)
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* ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB)
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* ABP940UW - Bus-Master PCI Ultra-Wide (240 CDB)
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*
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* Multi Channel Products:
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* ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel)
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* ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel)
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* ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel)
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*
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* Footnotes:
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* 1. This board has been sold by SIIG as the Fast SCSI Pro PCI.
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* 2. This board has been sold by Iomega as a Jaz Jet PCI adapter.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/queue.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/scsipi/scsi_all.h>
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#include <dev/scsipi/scsipi_all.h>
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#include <dev/scsipi/scsiconf.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/ic/adv.h>
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#include <dev/ic/advlib.h>
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/******************************************************************************/
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#define PCI_BASEADR_IO 0x10
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/******************************************************************************/
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int adv_pci_match __P((struct device *, struct cfdata *, void *));
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void adv_pci_attach __P((struct device *, struct device *, void *));
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struct cfattach adv_pci_ca =
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{
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sizeof(ASC_SOFTC), adv_pci_match, adv_pci_attach
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};
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/******************************************************************************/
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/*
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* Check the slots looking for a board we recognise
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* If we find one, note it's address (slot) and call
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* the actual probe routine to check it out.
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*/
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int
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adv_pci_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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struct pci_attach_args *pa = aux;
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if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
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switch (PCI_PRODUCT(pa->pa_id)) {
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case PCI_PRODUCT_ADVSYS_1200A:
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case PCI_PRODUCT_ADVSYS_1200B:
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case PCI_PRODUCT_ADVSYS_ULTRA:
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return (1);
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}
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return 0;
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}
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void
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adv_pci_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct pci_attach_args *pa = aux;
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ASC_SOFTC *sc = (void *) self;
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bus_space_tag_t iot;
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bus_space_handle_t ioh;
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pci_intr_handle_t ih;
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pci_chipset_tag_t pc = pa->pa_pc;
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u_int32_t command;
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const char *intrstr;
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sc->sc_flags = 0x0;
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if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
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switch (PCI_PRODUCT(pa->pa_id)) {
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case PCI_PRODUCT_ADVSYS_1200A:
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printf(": AdvanSys ASC1200A SCSI adapter\n");
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break;
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case PCI_PRODUCT_ADVSYS_1200B:
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printf(": AdvanSys ASC1200B SCSI adapter\n");
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break;
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case PCI_PRODUCT_ADVSYS_ULTRA:
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switch (PCI_REVISION(pa->pa_class)) {
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case ASC_PCI_REVISION_3050:
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printf(": AdvanSys ABP-9xxUA SCSI adapter\n");
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break;
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case ASC_PCI_REVISION_3150:
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printf(": AdvanSys ABP-9xxU SCSI adapter\n");
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break;
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}
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break;
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default:
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printf(": unknown model!\n");
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return;
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}
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/*
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* Make sure IO/MEM/MASTER are enabled
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*/
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command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
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if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
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PCI_COMMAND_MASTER_ENABLE)) !=
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(PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
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PCI_COMMAND_MASTER_ENABLE)) {
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pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
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command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
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PCI_COMMAND_MASTER_ENABLE));
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}
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/*
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* Latency timer settings.
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*/
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{
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u_int32_t bhlcr;
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bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
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if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
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bhlcr &= 0xFFFF00FFul;
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pci_conf_write(pa->pa_pc, pa->pa_tag,
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PCI_BHLC_REG, bhlcr);
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} else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) &&
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(PCI_LATTIMER(bhlcr) < 0x20)) {
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bhlcr &= 0xFFFF00FFul;
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bhlcr |= 0x00002000ul;
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pci_conf_write(pa->pa_pc, pa->pa_tag,
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PCI_BHLC_REG, bhlcr);
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}
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}
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/*
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* Map Device Registers for I/O
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*/
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if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
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&iot, &ioh, NULL, NULL)) {
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printf("%s: unable to map device registers\n",
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sc->sc_dev.dv_xname);
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return;
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}
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sc->sc_iot = iot;
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sc->sc_ioh = ioh;
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sc->sc_dmat = pa->pa_dmat;
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sc->pci_device_id = pa->pa_id;
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sc->bus_type = ASC_IS_PCI;
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/*
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* Initialize the board
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*/
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if (adv_init(sc))
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panic("adv_pci_attach: adv_init failed");
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/*
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* Map Interrupt line
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*/
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if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
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pa->pa_intrline, &ih)) {
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printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
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return;
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}
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intrstr = pci_intr_string(pc, ih);
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/*
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* Establish Interrupt handler
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*/
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sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc);
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if (sc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
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if (intrstr != NULL)
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printf(" at %s", intrstr);
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printf("\n");
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return;
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}
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printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
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/*
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* Attach all the sub-devices we can find
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*/
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adv_attach(sc);
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}
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/******************************************************************************/
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