/* $NetBSD: adw_pci.c,v 1.4 2000/02/04 13:16:22 dante Exp $ */ /* * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. * All rights reserved. * * Author: Baldassare Dante Profeta * * 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: * * ABP-940UW - Bus-Master PCI Ultra-Wide (240 CDB) * ABP-940UW (68) - Bus-Master PCI Ultra-Wide (240 CDB) * ABP-940UWD - Bus-Master PCI Ultra-Wide (240 CDB) * ABP-970UW - Bus-Master PCI Ultra-Wide (240 CDB) * ASB-3940UW - Bus-Master PCI Ultra-Wide (240 CDB) * ASB-3940U2W-00 - Bus-Master PCI Ultra2-Wide (240 CDB) */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /******************************************************************************/ #define PCI_BASEADR_IO 0x10 /******************************************************************************/ int adw_pci_match __P((struct device *, struct cfdata *, 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; struct cfdata *match; void *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); case PCI_PRODUCT_ADVSYS_U2W: 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_tag_t iot; bus_space_handle_t ioh; pci_intr_handle_t ih; pci_chipset_tag_t pc = pa->pa_pc; u_int32_t command; const char *intrstr; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) switch (PCI_PRODUCT(pa->pa_id)) { case PCI_PRODUCT_ADVSYS_WIDE: sc->chip_type = ADV_CHIP_ASC3550; printf(": AdvanSys ASB-3940UW-00 SCSI adapter\n"); break; case PCI_PRODUCT_ADVSYS_U2W: sc->chip_type = ADV_CHIP_ASC38C0800; printf(": AdvanSys ASB-3940U2W SCSI adapter\n"); break; default: printf(": unknown model!\n"); return; } /* * Make sure IO/MEM/MASTER are enabled */ command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE)) != (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE)) { pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE)); } /* * 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_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_U2W)) && (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) || (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_U2W)) && (command & PCI_COMMAND_PARITY_ENABLE) == 0) { sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR; } /* * Map Device Registers for I/O */ if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL)) { printf("%s: unable to map device registers\n", sc->sc_dev.dv_xname); return; } sc->sc_iot = 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); 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: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); /* * Attach all the sub-devices we can find */ adw_attach(sc); } /******************************************************************************/