diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/isa/if_ed.c | 176 |
1 files changed, 171 insertions, 5 deletions
diff --git a/sys/dev/isa/if_ed.c b/sys/dev/isa/if_ed.c index 42670bbac83..e5ccbf4f7a9 100644 --- a/sys/dev/isa/if_ed.c +++ b/sys/dev/isa/if_ed.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_ed.c,v 1.27 1997/03/20 23:59:58 niklas Exp $ */ +/* $OpenBSD: if_ed.c,v 1.28 1997/04/13 04:52:31 millert Exp $ */ /* $NetBSD: if_ed.c,v 1.105 1996/10/21 22:40:45 thorpej Exp $ */ /* @@ -167,6 +167,11 @@ struct cfdriver ed_cd = { #define ETHER_MAX_LEN 1518 #define ETHER_ADDR_LEN 6 +#define NIC_PUT(t, bah, nic, reg, val) \ + bus_space_write_1((t), (bah), ((nic) + (reg)), (val)) +#define NIC_GET(t, bah, nic, reg) \ + bus_space_read_1((t), (bah), ((nic) + (reg))) + #if NED_PCMCIA > 0 #include <dev/pcmcia/pcmciavar.h> @@ -362,10 +367,171 @@ ed_pcmcia_detach(self) #endif -#define NIC_PUT(t, bah, nic, reg, val) \ - bus_space_write_1((t), (bah), ((nic) + (reg)), (val)) -#define NIC_GET(t, bah, nic, reg) \ - bus_space_read_1((t), (bah), ((nic) + (reg))) +#if NED_PCI > 0 + +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> +#include <dev/pci/pcidevs.h> + +#define PCI_PRODUCT_NE2000 0x8029 +#define PCI_CBIO 0x10 /* Configuration Base IO Address */ + +int ed_pci_match __P((struct device *, void *, void *)); +void ed_pci_attach __P((struct device *, struct device *, void *)); + +struct cfattach ed_pci_ca = { + sizeof(struct ed_softc), ed_pci_match, ed_pci_attach +}; + +int +ed_pci_match(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + struct pci_attach_args *pa = aux; + + /* We don't check the vendor here since many make NE2000 clones */ + if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_NE2000) + return (0); + + return (1); +} + +/* + * XXX - Note that we pretend this is a 16bit card until the rest + * of the driver can deal with a 32bit bus (isa16bit -> bus_width) + */ +void +ed_pci_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct ed_softc *sc = (void *)self; + struct pci_attach_args *pa = aux; + pci_chipset_tag_t pc = pa->pa_pc; + pci_intr_handle_t ih; + bus_space_tag_t iot; + bus_space_handle_t ioh; + bus_addr_t iobase; + bus_size_t iosize, asicbase, nicbase; + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + u_char romdata[32], tmp; + const char *intrstr; + int i; + + iot = pa->pa_iot; + + if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) { + printf("%s: can't find I/O base\n", sc->sc_dev.dv_xname); + return; + } + + if (bus_space_map(iot, iobase, iosize, 0, &ioh)) { + printf("%s: can't map I/O space\n", sc->sc_dev.dv_xname); + return; + } + + printf(": NE2000 compatible PCI ethernet controller"); + + sc->asic_base = asicbase = ED_NOVELL_ASIC_OFFSET; + sc->nic_base = nicbase = ED_NOVELL_NIC_OFFSET; + sc->vendor = ED_VENDOR_NOVELL; + sc->mem_shared = 0; + sc->cr_proto = ED_CR_RD2; + sc->type = ED_TYPE_NE2000; + sc->type_str = "NE2000"; + + /* Reset the board. */ + tmp = bus_space_read_1(iot, ioh, asicbase + ED_NOVELL_RESET); + + /* Put the board into 16-bit mode (XXX - someday do 32-bit) */ + sc->isa16bit = 1; + NIC_PUT(iot, ioh, nicbase, ED_P0_DCR, + ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS); + NIC_PUT(iot, ioh, nicbase, ED_P0_PSTART, 16384 >> ED_PAGE_SHIFT); + NIC_PUT(iot, ioh, nicbase, ED_P0_PSTOP, 32768 >> ED_PAGE_SHIFT); + + /* + * NIC memory doesn't start at zero on an NE board. + * The start address (and size) is tied to the bus width. + * XXX - these should be 32K but the driver doesn't grok > 16bit + */ + sc->mem_size = 16384; /* XXX - should be 8K x bus width */ + sc->mem_start = 16384; /* - and this as well */ + sc->mem_end = sc->mem_start + sc->mem_size; + sc->tx_page_start = sc->mem_size >> ED_PAGE_SHIFT; + sc->txb_cnt = sc->mem_size / 8192; + sc->rec_page_start = sc->tx_page_start + sc->txb_cnt * ED_TXBUF_SIZE; + sc->rec_page_stop = sc->tx_page_start + (sc->mem_size >> ED_PAGE_SHIFT); + sc->mem_ring = + sc->mem_start + ((sc->txb_cnt * ED_TXBUF_SIZE) << ED_PAGE_SHIFT); + sc->sc_delaybah = 0; /* unused */ + sc->sc_iot = iot; + sc->sc_ioh = ioh; + + /* Get ethernet address (XXX - size field should be "8 * buswidth") */ + ed_pio_readmem(sc, 0, romdata, sizeof(romdata)); + /* XXX - change to (i * buswidth) when driver does 32bit */ + for (i = 0; i < ETHER_ADDR_LEN; i++) + sc->sc_arpcom.ac_enaddr[i] = romdata[i * 2]; + + /* Clear any pending interrupts that might have occurred above. */ + NIC_PUT(iot, ioh, nicbase, ED_P0_ISR, 0xff); + + /* Set interface to stopped condition (reset). */ + edstop(sc); + + /* Initialize ifnet structure. */ + bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ); + ifp->if_softc = sc; + ifp->if_start = edstart; + ifp->if_ioctl = edioctl; + ifp->if_watchdog = edwatchdog; + ifp->if_flags = + IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS | IFF_MULTICAST; + + /* Attach the interface. */ + if ((sc->spec_flags & ED_REATTACH) == 0) + if_attach(ifp); + ether_ifattach(ifp); + + /* Print additional info when attached. */ + printf("\n%s: address %s, ", sc->sc_dev.dv_xname, + ether_sprintf(sc->sc_arpcom.ac_enaddr)); + + if (sc->type_str) + printf("type %s ", sc->type_str); + else + printf("type unknown (0x%x) ", sc->type); + printf("%s\n", sc->isa16bit ? "(16-bit)" : "(8-bit)"); /* XXX */ + +#if NBPFILTER > 0 + if ((sc->spec_flags & ED_REATTACH) == 0) + bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, + sizeof(struct ether_header)); +#endif + + /* Map and establish the interrupt. */ + 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); + sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, edintr, + sc, sc->sc_dev.dv_xname); + 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); +} + +#endif /* * Determine if the device is present. |