/* $NetBSD: if_we_mca.c,v 1.21 2008/04/28 20:23:53 martin Exp $ */ /*- * Copyright (c) 1997, 1998, 2001 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, and Jaromir Dolecek. * * 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. * * 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 driver for National Semiconductor DS8390/WD83C690 based ethernet * adapters. * * Copyright (c) 1994, 1995 Charles M. Hannum. All rights reserved. * * Copyright (C) 1993, David Greenman. This software may be used, modified, * copied, distributed, and sold, in both source and binary form provided that * the above copyright and these terms are retained. Under no circumstances is * the author responsible for the proper functioning of this software, nor does * the author assume any responsibility for damages incurred with its use. */ /* * Device driver for the Western Digital/SMC 8003 and 8013 series, * and the SMC Elite Ultra (8216). * * Currently only tested with WD8003W/A and EtherCard PLUS Elite 10T/A * (8013WP/A). Other WD8003 and SMC Elite based cards should work * without problems too. */ #include __KERNEL_RCSID(0, "$NetBSD: if_we_mca.c,v 1.21 2008/04/28 20:23:53 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define WD_8003 0x01 #define WD_ELITE 0x02 int we_mca_probe(device_t, cfdata_t , void *); void we_mca_attach(device_t, device_t, void *); void we_mca_init_hook(struct we_softc *); CFATTACH_DECL_NEW(we_mca, sizeof(struct we_softc), we_mca_probe, we_mca_attach, NULL, NULL); /* * The types for some cards may not be correct; hopefully it's close * enough. */ static const struct we_mca_product { u_int32_t we_id; const char *we_name; int we_flag; int we_type; const char *we_typestr; } we_mca_products[] = { { MCA_PRODUCT_WD_8013EP, "EtherCard PLUS Elite/A (8013EP/A)", WD_ELITE, WE_TYPE_WD8013EP, "WD8013EP/A" }, { MCA_PRODUCT_WD_8013WP, "EtherCard PLUS Elite 10T/A (8013WP/A)", WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A" }, { MCA_PRODUCT_IBM_WD_2,"IBM PS/2 Adapter/A for Ethernet Networks (UTP)", WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A"}, { MCA_PRODUCT_IBM_WD_T,"IBM PS/2 Adapter/A for Ethernet Networks (BNC)", WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A"}, { MCA_PRODUCT_WD_8003E, "WD EtherCard PLUS/A (WD8003E/A or WD8003ET/A)", WD_8003, WE_TYPE_WD8003E, "WD8003E/A or WD8003ET/A" }, { MCA_PRODUCT_WD_8003ST,"WD StarCard PLUS/A (WD8003ST/A)", WD_8003, WE_TYPE_WD8003W, "WD8003ST/A" }, /* XXX */ { MCA_PRODUCT_WD_8003W, "WD EtherCard PLUS 10T/A (WD8003W/A)", WD_8003, WE_TYPE_WD8003W, "WD8003W/A" }, { MCA_PRODUCT_IBM_WD_O, "IBM PS/2 Adapter/A for Ethernet Networks", WD_8003, WE_TYPE_WD8003W, "IBM PS/2 Adapter/A" }, { 0x0000, NULL, 0, 0, NULL }, }; /* see POS description in we_mca_attach() */ static const int we_mca_irq[] = { 3, 4, 10, 15, }; static const struct we_mca_product *we_mca_lookup(int); static const struct we_mca_product * we_mca_lookup(int id) { const struct we_mca_product *wep; for(wep = we_mca_products; wep->we_name; wep++) if (wep->we_id == id) return (wep); return (NULL); } int we_mca_probe(device_t parent, cfdata_t cf, void *aux) { struct mca_attach_args *ma = aux; return (we_mca_lookup(ma->ma_id) != NULL); } void we_mca_attach(device_t parent, device_t self, void *aux) { struct we_softc *wsc = device_private(self); struct dp8390_softc *sc = &wsc->sc_dp8390; struct mca_attach_args *ma = aux; const struct we_mca_product *wep; bus_space_tag_t nict, asict, memt; bus_space_handle_t nich, asich, memh; const char *typestr; int irq, iobase, maddr; int pos2, pos3, pos5; sc->sc_dev = self; pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2); pos3 = mca_conf_read(ma->ma_mc, ma->ma_slot, 3); pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5); /* * POS registers differ a lot between 8003 and 8013, so they are * divided to two sections. * * 8003: POS register 2: (adf pos0) * 7 6 5 4 3 2 1 0 * 0 0 1 \_____/ \__ enable: 0=adapter disabled, 1=adapter enabled * \____ Adapter I/O Space: 0x200-0x21F + XX*0x20 * * 8003: POS register 3: (adf pos1) * 7 6 5 4 3 2 1 0 * 1 1 0 \___/ 1 X * \______ Shared Ram Space (16K Bytes): * 0xC0000-0xC3FFF + XX * 0x4000 * * 8003: POS register 5: (adf pos3) * 7 6 5 4 3 2 1 0 * \_/ * \__ Interrupt Level: 00=3 01=4 10=10 11=15 * * -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- * * 8013: POS register 2: (adf pos0) * 7 6 5 4 3 2 1 0 * \____/ \__ enable: 0=adapter disabled, 1=adapter enabled * \___________ Adapter I/O Space: 0x0800-0x081F + XX * 0x1000 * * 8013: POS register 3: (adf pos1) * 7 6 5 4 3 2 1 0 * | X 0 | \_____/ * | | \__ Shared RAM Base Address * | | 0xc0000 + ((xx & 0x0f) * 0x2000) * | \____________ Ram size: 0 = 8k, 1 = 16k * | some size and address combinations are * | not supported, varies by card :( * \__________________ If set, add 0xf00000 to shared RAM base addr * puts shared RAM near top of 16MB address space * * 8013: POS register 5: (adf pos3) * 7 6 5 4 3 2 1 0 * \_/ \_/ * \ \__ Media Select: 00=TwPr (no link) 10=BNC * \ 01=AUI|AUI or 10BaseT * \____ Interrupt Level: 00=3 01=4 10=10 11=14 */ wep = we_mca_lookup(ma->ma_id); #ifdef DIAGNOSTIC if (wep == NULL) { aprint_error("\n%s: where did the card go?\n", device_xname(self)); return; } #endif if (wep->we_flag & WD_8003) { /* WD8003 based */ iobase = 0x200 + (((pos2 & 0x0e) >> 1) * 0x020); maddr = 0xC0000 + (((pos3 & 0x1c) >> 2) * 0x04000); irq = we_mca_irq[(pos5 & 0x03)]; sc->mem_size = 16384; } else { /* SMC Elite */ iobase = 0x800 + (((pos2 & 0xf0) >> 4) * 0x1000); maddr = 0xC0000 + ((pos3 & 0x0f) * 0x2000) + ((pos3 & 0x80) ? 0xF00000 : 0); irq = we_mca_irq[(pos5 & 0x0c) >> 2]; sc->mem_size = (pos3 & 0x10) ? 16384 : 8192; } nict = asict = ma->ma_iot; memt = ma->ma_memt; aprint_normal(" slot %d port %#x-%#x mem %#x-%#x irq %d: %s\n", ma->ma_slot + 1, iobase, iobase + WE_NPORTS - 1, maddr, maddr + sc->mem_size - 1, irq, wep->we_name); /* Map the device. */ if (bus_space_map(asict, iobase, WE_NPORTS, 0, &asich)) { aprint_error_dev(self, "can't map nic i/o space\n"); return; } if (bus_space_subregion(asict, asich, WE_NIC_OFFSET, WE_NIC_NPORTS, &nich)) { aprint_error_dev(self, "can't subregion i/o space\n"); return; } wsc->sc_type = wep->we_type; /* all cards we support are 16bit native (no need for reset) */ wsc->sc_flags = WE_16BIT_ENABLE|WE_16BIT_NOTOGGLE; sc->is790 = 0; typestr = wep->we_typestr; /* * Map memory space. */ if (bus_space_map(memt, maddr, sc->mem_size, 0, &memh)) { aprint_error_dev(self, "can't map shared memory %#x-%#x\n", maddr, maddr + sc->mem_size - 1); return; } wsc->sc_asict = asict; wsc->sc_asich = asich; sc->sc_regt = nict; sc->sc_regh = nich; sc->sc_buft = memt; sc->sc_bufh = memh; wsc->sc_maddr = maddr; /* Interface is always enabled. */ sc->sc_enabled = 1; wsc->sc_init_hook = we_mca_init_hook; if (we_config(self, wsc, typestr)) return; /* Map and establish the interrupt. */ wsc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, dp8390_intr, sc); if (wsc->sc_ih == NULL) { aprint_error_dev(self, "can't establish interrupt\n"); return; } } void we_mca_init_hook(struct we_softc *wsc) { /* * This quirk really needs to be here, at least for WD8003W/A. Without * this, the card doesn't send any interrupts in 16bit mode. The quirk * was taken from Linux smc-mca.c driver. * I do not know why it's necessary. I don't want to know. It works * and that is enough for me. */ bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR, 0x04); wsc->sc_laar_proto |= 0x04; }