if_hme_pci.c revision 1.2.2.3
1 1.2.2.3 bouyer /* $NetBSD: if_hme_pci.c,v 1.2.2.3 2001/01/05 17:36:07 bouyer Exp $ */ 2 1.2.2.2 bouyer 3 1.2.2.2 bouyer /* 4 1.2.2.2 bouyer * Copyright (c) 2000 Matthew R. Green 5 1.2.2.2 bouyer * All rights reserved. 6 1.2.2.2 bouyer * 7 1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 bouyer * modification, are permitted provided that the following conditions 9 1.2.2.2 bouyer * are met: 10 1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 bouyer * documentation and/or other materials provided with the distribution. 15 1.2.2.2 bouyer * 3. The name of the author may not be used to endorse or promote products 16 1.2.2.2 bouyer * derived from this software without specific prior written permission. 17 1.2.2.2 bouyer * 18 1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 1.2.2.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 1.2.2.2 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 1.2.2.2 bouyer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 1.2.2.2 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 1.2.2.2 bouyer * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 1.2.2.2 bouyer * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 1.2.2.2 bouyer * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 1.2.2.2 bouyer * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 1.2.2.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 1.2.2.2 bouyer * SUCH DAMAGE. 29 1.2.2.2 bouyer */ 30 1.2.2.2 bouyer 31 1.2.2.2 bouyer /* 32 1.2.2.2 bouyer * PCI front-end device driver for the HME ethernet device. 33 1.2.2.2 bouyer */ 34 1.2.2.2 bouyer 35 1.2.2.2 bouyer #include <sys/param.h> 36 1.2.2.2 bouyer #include <sys/systm.h> 37 1.2.2.2 bouyer #include <sys/syslog.h> 38 1.2.2.2 bouyer #include <sys/device.h> 39 1.2.2.2 bouyer #include <sys/malloc.h> 40 1.2.2.2 bouyer #include <sys/socket.h> 41 1.2.2.2 bouyer 42 1.2.2.2 bouyer #include <net/if.h> 43 1.2.2.2 bouyer #include <net/if_dl.h> 44 1.2.2.2 bouyer #include <net/if_ether.h> 45 1.2.2.2 bouyer #include <net/if_media.h> 46 1.2.2.2 bouyer 47 1.2.2.2 bouyer #include <dev/mii/mii.h> 48 1.2.2.2 bouyer #include <dev/mii/miivar.h> 49 1.2.2.2 bouyer 50 1.2.2.2 bouyer #include <machine/autoconf.h> 51 1.2.2.2 bouyer #include <machine/cpu.h> 52 1.2.2.2 bouyer 53 1.2.2.2 bouyer #include <dev/pci/pcivar.h> 54 1.2.2.2 bouyer #include <dev/pci/pcireg.h> 55 1.2.2.2 bouyer #include <dev/pci/pcidevs.h> 56 1.2.2.2 bouyer 57 1.2.2.2 bouyer #include <dev/ic/hmevar.h> 58 1.2.2.2 bouyer 59 1.2.2.2 bouyer struct hme_pci_softc { 60 1.2.2.2 bouyer struct hme_softc hsc_hme; /* HME device */ 61 1.2.2.2 bouyer bus_space_tag_t hsc_memt; 62 1.2.2.2 bouyer bus_space_handle_t hsc_memh; 63 1.2.2.2 bouyer void *hsc_ih; 64 1.2.2.2 bouyer }; 65 1.2.2.2 bouyer 66 1.2.2.2 bouyer int hmematch_pci __P((struct device *, struct cfdata *, void *)); 67 1.2.2.2 bouyer void hmeattach_pci __P((struct device *, struct device *, void *)); 68 1.2.2.2 bouyer 69 1.2.2.2 bouyer struct cfattach hme_pci_ca = { 70 1.2.2.2 bouyer sizeof(struct hme_pci_softc), hmematch_pci, hmeattach_pci 71 1.2.2.2 bouyer }; 72 1.2.2.2 bouyer 73 1.2.2.2 bouyer int 74 1.2.2.2 bouyer hmematch_pci(parent, cf, aux) 75 1.2.2.2 bouyer struct device *parent; 76 1.2.2.2 bouyer struct cfdata *cf; 77 1.2.2.2 bouyer void *aux; 78 1.2.2.2 bouyer { 79 1.2.2.2 bouyer struct pci_attach_args *pa = aux; 80 1.2.2.2 bouyer 81 1.2.2.2 bouyer if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN && 82 1.2.2.2 bouyer PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_HMENETWORK) 83 1.2.2.2 bouyer return (1); 84 1.2.2.2 bouyer 85 1.2.2.2 bouyer return (0); 86 1.2.2.2 bouyer } 87 1.2.2.2 bouyer 88 1.2.2.2 bouyer void 89 1.2.2.2 bouyer hmeattach_pci(parent, self, aux) 90 1.2.2.2 bouyer struct device *parent, *self; 91 1.2.2.2 bouyer void *aux; 92 1.2.2.2 bouyer { 93 1.2.2.2 bouyer struct pci_attach_args *pa = aux; 94 1.2.2.2 bouyer struct hme_pci_softc *hsc = (void *)self; 95 1.2.2.2 bouyer struct hme_softc *sc = &hsc->hsc_hme; 96 1.2.2.2 bouyer pci_intr_handle_t intrhandle; 97 1.2.2.2 bouyer /* XXX the following declarations should be elsewhere */ 98 1.2.2.2 bouyer extern void myetheraddr __P((u_char *)); 99 1.2.2.2 bouyer pcireg_t csr; 100 1.2.2.2 bouyer const char *intrstr; 101 1.2.2.2 bouyer int type; 102 1.2.2.2 bouyer 103 1.2.2.2 bouyer /* 104 1.2.2.2 bouyer * enable io/memory-space accesses. this is kinda of gross; but 105 1.2.2.2 bouyer # the hme comes up with neither IO space enabled, or memory space. 106 1.2.2.2 bouyer */ 107 1.2.2.2 bouyer if (pa->pa_memt) 108 1.2.2.2 bouyer pa->pa_flags |= PCI_FLAGS_MEM_ENABLED; 109 1.2.2.2 bouyer if (pa->pa_iot) 110 1.2.2.2 bouyer pa->pa_flags |= PCI_FLAGS_IO_ENABLED; 111 1.2.2.2 bouyer csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 112 1.2.2.2 bouyer if (pa->pa_memt) { 113 1.2.2.2 bouyer type = PCI_MAPREG_TYPE_MEM; 114 1.2.2.2 bouyer csr |= PCI_COMMAND_MEM_ENABLE; 115 1.2.2.2 bouyer sc->sc_bustag = pa->pa_memt; 116 1.2.2.2 bouyer } else { 117 1.2.2.2 bouyer type = PCI_MAPREG_TYPE_IO; 118 1.2.2.2 bouyer csr |= PCI_COMMAND_IO_ENABLE; 119 1.2.2.2 bouyer sc->sc_bustag = pa->pa_iot; 120 1.2.2.2 bouyer } 121 1.2.2.2 bouyer pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 122 1.2.2.2 bouyer csr | PCI_COMMAND_MEM_ENABLE); 123 1.2.2.2 bouyer 124 1.2.2.2 bouyer sc->sc_dmatag = pa->pa_dmat; 125 1.2.2.2 bouyer 126 1.2.2.2 bouyer sc->sc_pci = 1; /* XXXXX should all be done in bus_dma. */ 127 1.2.2.2 bouyer /* 128 1.2.2.2 bouyer * Map five register banks: 129 1.2.2.2 bouyer * 130 1.2.2.2 bouyer * bank 0: HME SEB registers: +0x0000 131 1.2.2.2 bouyer * bank 1: HME ETX registers: +0x2000 132 1.2.2.2 bouyer * bank 2: HME ERX registers: +0x4000 133 1.2.2.2 bouyer * bank 3: HME MAC registers: +0x6000 134 1.2.2.2 bouyer * bank 4: HME MIF registers: +0x7000 135 1.2.2.2 bouyer * 136 1.2.2.2 bouyer */ 137 1.2.2.2 bouyer 138 1.2.2.2 bouyer #define PCI_HME_BASEADDR 0x10 139 1.2.2.2 bouyer if (pci_mapreg_map(pa, PCI_HME_BASEADDR, type, 0, 140 1.2.2.2 bouyer &hsc->hsc_memt, &hsc->hsc_memh, NULL, NULL) != 0) 141 1.2.2.2 bouyer { 142 1.2.2.2 bouyer printf(": could not map hme registers\n"); 143 1.2.2.2 bouyer return; 144 1.2.2.2 bouyer } 145 1.2.2.2 bouyer sc->sc_seb = hsc->hsc_memh; 146 1.2.2.2 bouyer sc->sc_etx = hsc->hsc_memh + 0x2000; 147 1.2.2.2 bouyer sc->sc_erx = hsc->hsc_memh + 0x4000; 148 1.2.2.2 bouyer sc->sc_mac = hsc->hsc_memh + 0x6000; 149 1.2.2.2 bouyer sc->sc_mif = hsc->hsc_memh + 0x7000; 150 1.2.2.2 bouyer 151 1.2.2.2 bouyer myetheraddr(sc->sc_enaddr); 152 1.2.2.2 bouyer 153 1.2.2.2 bouyer #if 0 154 1.2.2.2 bouyer /* 155 1.2.2.2 bouyer * Get transfer burst size from PROM and pass it on 156 1.2.2.2 bouyer * to the back-end driver. 157 1.2.2.2 bouyer */ 158 1.2.2.2 bouyer sbusburst = ((struct sbus_softc *)parent)->sc_burst; 159 1.2.2.2 bouyer if (sbusburst == 0) 160 1.2.2.2 bouyer sbusburst = SBUS_BURST_32 - 1; /* 1->16 */ 161 1.2.2.2 bouyer 162 1.2.2.2 bouyer burst = getpropint(node, "burst-sizes", -1); 163 1.2.2.2 bouyer if (burst == -1) 164 1.2.2.2 bouyer /* take SBus burst sizes */ 165 1.2.2.2 bouyer burst = sbusburst; 166 1.2.2.2 bouyer 167 1.2.2.2 bouyer /* Clamp at parent's burst sizes */ 168 1.2.2.2 bouyer burst &= sbusburst; 169 1.2.2.2 bouyer 170 1.2.2.2 bouyer /* Translate into plain numerical format */ 171 1.2.2.2 bouyer sc->sc_burst = (burst & SBUS_BURST_32) ? 32 : 172 1.2.2.2 bouyer (burst & SBUS_BURST_16) ? 16 : 0; 173 1.2.2.2 bouyer #endif 174 1.2.2.2 bouyer 175 1.2.2.2 bouyer sc->sc_burst = 16; /* XXX */ 176 1.2.2.2 bouyer 177 1.2.2.2 bouyer /* 178 1.2.2.2 bouyer * call the main configure 179 1.2.2.2 bouyer */ 180 1.2.2.2 bouyer hme_config(sc); 181 1.2.2.2 bouyer 182 1.2.2.2 bouyer #if 0 183 1.2.2.2 bouyer printf("%s: ", sc->sc_dev.dv_xname); 184 1.2.2.2 bouyer pci_conf_print(pa->pa_pc, pa->pa_tag, 0); 185 1.2.2.2 bouyer #endif 186 1.2.2.2 bouyer 187 1.2.2.3 bouyer if (pci_intr_map(pa, &intrhandle) != 0) { 188 1.2.2.2 bouyer printf("%s: couldn't map interrupt\n", 189 1.2.2.2 bouyer sc->sc_dev.dv_xname); 190 1.2.2.2 bouyer return; /* bus_unmap ? */ 191 1.2.2.2 bouyer } 192 1.2.2.2 bouyer intrstr = pci_intr_string(pa->pa_pc, intrhandle); 193 1.2.2.2 bouyer hsc->hsc_ih = pci_intr_establish(pa->pa_pc, 194 1.2.2.2 bouyer intrhandle, IPL_NET, hme_intr, sc); 195 1.2.2.2 bouyer if (hsc->hsc_ih != NULL) { 196 1.2.2.2 bouyer printf("%s: using %s for interrupt\n", 197 1.2.2.2 bouyer sc->sc_dev.dv_xname, 198 1.2.2.2 bouyer intrstr ? intrstr : "unknown interrupt"); 199 1.2.2.2 bouyer } else { 200 1.2.2.2 bouyer printf("%s: couldn't establish interrupt", 201 1.2.2.2 bouyer sc->sc_dev.dv_xname); 202 1.2.2.2 bouyer if (intrstr != NULL) 203 1.2.2.2 bouyer printf(" at %s", intrstr); 204 1.2.2.2 bouyer printf("\n"); 205 1.2.2.2 bouyer return; /* bus_unmap ? */ 206 1.2.2.2 bouyer } 207 1.2.2.2 bouyer } 208
Indexes created Thu Oct 02 14:10:14 GMT 2025