/* $NetBSD: ahc_cardbus.c,v 1.3 2000/03/16 03:06:51 enami Exp $ */ /*- * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * 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. */ /* * CardBus front-end for the Adaptec AIC-7xxx family of SCSI controllers. * * TODO: * - power management */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define AHC_CARDBUS_IOBA 0x10 #define AHC_CARDBUS_MMBA 0x14 struct ahc_cardbus_softc { struct ahc_softc sc_ahc; /* real AHC */ /* CardBus-specific goo. */ cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */ int sc_intrline; /* our interrupt line */ cardbustag_t sc_tag; int sc_cbenable; /* what CardBus access type to enable */ int sc_csr; /* CSR bits */ }; int ahc_cardbus_match __P((struct device *, struct cfdata *, void *)); void ahc_cardbus_attach __P((struct device *, struct device *, void *)); struct cfattach ahc_cardbus_ca = { sizeof(struct ahc_softc), ahc_cardbus_match, ahc_cardbus_attach, }; int ahc_cardbus_match(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct cardbus_attach_args *ca = aux; if (CARDBUS_VENDOR(ca->ca_id) == CARDBUS_VENDOR_ADP && CARDBUS_PRODUCT(ca->ca_id) == CARDBUS_PRODUCT_ADP_1480) return (1); return (0); } void ahc_cardbus_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct cardbus_attach_args *ca = aux; struct ahc_cardbus_softc *csc = (void *) self; struct ahc_softc *ahc = &csc->sc_ahc; cardbus_devfunc_t ct = ca->ca_ct; cardbus_chipset_tag_t cc = ct->ct_cc; cardbus_function_tag_t cf = ct->ct_cf; bus_space_tag_t bst; bus_space_handle_t bsh; pcireg_t reg; u_int sxfrctl1 = 0; ahc_chip ahc_t = AHC_NONE; ahc_feature ahc_fe = AHC_FENONE; ahc_flag ahc_f = AHC_FNONE; csc->sc_ct = ct; csc->sc_tag = ca->ca_tag; csc->sc_intrline = ca->ca_intrline; printf(": Adaptec ADP-1480 SCSI\n"); /* * Map the device. */ csc->sc_csr = PCI_COMMAND_MASTER_ENABLE; if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_MMBA, PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, &bst, &bsh, NULL, NULL) == 0) { csc->sc_cbenable = CARDBUS_MEM_ENABLE; csc->sc_csr |= PCI_COMMAND_MEM_ENABLE; } else if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_IOBA, PCI_MAPREG_TYPE_IO, 0, &bst, &bsh, NULL, NULL) == 0) { csc->sc_cbenable = CARDBUS_IO_ENABLE; csc->sc_csr |= PCI_COMMAND_IO_ENABLE; } else { printf("%s: unable to map device registers\n", ahc_name(ahc)); return; } /* Make sure the right access type is on the CardBus bridge. */ (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable); (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); /* Enable the appropriate bits in the PCI CSR. */ reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG); reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE); reg |= csc->sc_csr; cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg); /* * Make sure the latency timer is set to some reasonable * value. */ reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG); if (PCI_LATTIMER(reg) < 0x20) { reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); reg |= (0x20 << PCI_LATTIMER_SHIFT); cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg); } /* * ADP-1480 is always an AIC-7860. */ ahc_t = AHC_AIC7860; ahc_fe = AHC_AIC7860_FE; /* * On all CardBus adapters, we allow SCB paging. */ ahc_f = AHC_PAGESCBS; if (ahc_alloc(ahc, bsh, bst, ca->ca_dmat, ahc_t | AHC_PCI /* XXX */, ahc_fe, ahc_f) < 0) { printf("%s: unable to initialize softc\n", ahc_name(ahc)); return; } ahc->channel = 'A'; ahc_reset(ahc); /* * Establish the interrupt. */ ahc->ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO, ahc_intr, ahc); if (ahc->ih == NULL) { printf("%s: unable to establish interrupt at %d\n", ahc_name(ahc), ca->ca_intrline); return; } printf("%s: interrupting at %d\n", ahc_name(ahc), ca->ca_intrline); /* * Do chip-specific initialization. */ { u_char sblkctl; const char *id_string; switch (ahc->chip & AHC_CHIPID_MASK) { case AHC_AIC7860: id_string = "aic7860 "; check_extport(ahc, &sxfrctl1); break; default: printf("%s: unknown controller type\n", ahc_name(ahc)); ahc_free(ahc); return; } /* * Take the LED out of diagnostic mode. */ sblkctl = ahc_inb(ahc, SBLKCTL); ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON))); /* * I don't know where this is set in the SEEPROM or by the * BIOS, so we default to 100%. */ ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100); if (ahc->flags & AHC_USEDEFAULTS) { /* * We can't "use defaults", as we have no way * of knowing what default settings hould be. */ printf("%s: CardBus device requires an SEEPROM\n", ahc_name(ahc)); return; } printf("%s: %s", ahc_name(ahc), id_string); } /* * XXX does this card have external SRAM? - fvdl */ /* * Record our termination setting for the * generic initialization routine. */ if ((sxfrctl1 & STPWEN) != 0) ahc->flags |= AHC_TERM_ENB_A; if (ahc_init(ahc)) { ahc_free(ahc); return; } ahc_attach(ahc); }