diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/amiga/isa/if_isaed.c | 2845 |
1 files changed, 0 insertions, 2845 deletions
diff --git a/sys/arch/amiga/isa/if_isaed.c b/sys/arch/amiga/isa/if_isaed.c deleted file mode 100644 index 9764f8fa096..00000000000 --- a/sys/arch/amiga/isa/if_isaed.c +++ /dev/null @@ -1,2845 +0,0 @@ -/* $OpenBSD: if_isaed.c,v 1.16 1997/03/20 23:59:59 niklas Exp $ */ - -/* - * Derived from sys/dev/isa/if_ed.c: - * $NetBSD: if_ed.c,v 1.105 1996/10/21 22:40:45 thorpej Exp $ - */ - -/* - * 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. - * - * Currently supports the Western Digital/SMC 8003 and 8013 series, the SMC - * Elite Ultra (8216), the 3Com 3c503, the NE1000 and NE2000, and a variety of - * similar clones. - */ - -#include "bpfilter.h" -#include "isaed.h" - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/errno.h> -#include <sys/ioctl.h> -#include <sys/mbuf.h> -#include <sys/socket.h> -#include <sys/syslog.h> -#include <sys/device.h> - -#include <net/if.h> -#include <net/if_dl.h> -#include <net/if_types.h> -#include <net/netisr.h> - -#ifdef INET -#include <netinet/in.h> -#include <netinet/in_systm.h> -#include <netinet/in_var.h> -#include <netinet/ip.h> -#include <netinet/if_ether.h> -#endif - -#if NBPFILTER > 0 -#include <net/bpf.h> -#include <net/bpfdesc.h> -#endif - -#include <machine/cpu.h> -#include <machine/bus.h> -#include <machine/intr.h> - -#include <dev/isa/isareg.h> -#include <dev/isa/isavar.h> -#include <dev/ic/dp8390reg.h> -#include <dev/isa/if_edreg.h> - -/* - * ed_softc: per line info and status - */ -struct ed_softc { - struct device sc_dev; - void *sc_ih; - - struct arpcom sc_arpcom; /* ethernet common */ - void *sc_sh; /* shutdown hook */ - - char *type_str; /* pointer to type string */ - u_char vendor; /* interface vendor */ - u_char type; /* interface type code */ - u_short spec_flags; -#define ED_REATTACH 0x0001 /* Reattach */ -#define ED_NOTPRESENT 0x0002 /* card not present; do not allow - reconfiguration */ - - bus_space_tag_t sc_iot; /* bus identifier */ - bus_space_tag_t sc_memt; - bus_space_handle_t sc_ioh; /* io handle */ - bus_space_handle_t sc_delaybah; /* io handle for `delay port' */ - bus_space_handle_t sc_memh; /* bus memory handle */ - - bus_size_t asic_base; /* offset of ASIC I/O port */ - bus_size_t nic_base; /* offset of NIC (DS8390) I/O port */ - -/* - * The following 'proto' variable is part of a work-around for 8013EBT asics - * being write-only. It's sort of a prototype/shadow of the real thing. - */ - u_char wd_laar_proto; -/* - * This `proto' variable is so we can turn MENB on and off without reading - * the value back from the card all the time. - */ - u_char wd_msr_proto; - u_char cr_proto; /* values always set in CR */ - u_char isa16bit; /* width of access to card 0=8 or 1=16 */ - u_char is790; /* set by probe if NIC is a 790 */ - - int mem_start; /* offset of NIC memory */ - int mem_end; /* offset of NIC memory end */ - int mem_size; /* total NIC memory size */ - int mem_ring; /* offset of RX ring-buffer (in NIC mem) */ - - u_char mem_shared; /* NIC memory is shared with host */ - u_char txb_cnt; /* number of transmit buffers */ - u_char txb_inuse; /* number of transmit buffers active */ - - u_char txb_new; /* pointer to where new buffer will be added */ - u_char txb_next_tx; /* pointer to next buffer ready to xmit */ - u_short txb_len[8]; /* buffered xmit buffer lengths */ - u_char tx_page_start; /* first page of TX buffer area */ - u_char rec_page_start; /* first page of RX ring-buffer */ - u_char rec_page_stop; /* last page of RX ring-buffer */ - u_char next_packet; /* pointer to next unread RX packet */ -}; - -int edprobe __P((struct device *, void *, void *)); -void edattach __P((struct device *, struct device *, void *)); -int ed_find __P((struct ed_softc *, struct cfdata *, - struct isa_attach_args *ia)); -int ed_probe_generic8390 __P((bus_space_tag_t, bus_space_handle_t, int)); -int ed_find_WD80x3 __P((struct ed_softc *, struct cfdata *, - struct isa_attach_args *ia)); -int ed_find_3Com __P((struct ed_softc *, struct cfdata *, - struct isa_attach_args *ia)); -int ed_find_Novell __P((struct ed_softc *, struct cfdata *, - struct isa_attach_args *ia)); -int isaedintr __P((void *)); -int edioctl __P((struct ifnet *, u_long, caddr_t)); -void edstart __P((struct ifnet *)); -void edwatchdog __P((struct ifnet *)); -void edreset __P((struct ed_softc *)); -void edinit __P((struct ed_softc *)); -void edstop __P((struct ed_softc *)); - -void ed_shared_writemem __P((struct ed_softc *, caddr_t, int, int)); -void ed_shared_readmem __P((struct ed_softc *, int, caddr_t, int)); - -#define inline /* XXX for debugging porpoises */ - -void isaed_getmcaf __P((struct arpcom *, u_int32_t *)); -void edread __P((struct ed_softc *, int, int)); -struct mbuf *edget __P((struct ed_softc *, int, int)); -static inline void ed_rint __P((struct ed_softc *)); -static inline void ed_xmit __P((struct ed_softc *)); -static inline int ed_ring_copy __P((struct ed_softc *, int, caddr_t, - u_short)); - -void ed_pio_readmem __P((struct ed_softc *, u_short, caddr_t, u_short)); -void ed_pio_writemem __P((struct ed_softc *, caddr_t, u_short, u_short)); -u_short ed_pio_write_mbufs __P((struct ed_softc *, struct mbuf *, u_short)); - -#if NISAED_ISA > 0 -struct cfattach isaed_isa_ca = { - sizeof(struct ed_softc), edprobe, edattach -}; -#endif - -struct cfdriver isaed_cd = { - NULL, "isaed", DV_IFNET -}; - -#define ETHER_MIN_LEN 64 -#define ETHER_MAX_LEN 1518 -#define ETHER_ADDR_LEN 6 - -#if NISAED_PCMCIA > 0 -#include <dev/pcmcia/pcmciavar.h> - -int ed_pcmcia_match __P((struct device *, void *, void *)); -void ed_pcmcia_attach __P((struct device *, struct device *, void *)); -int ed_pcmcia_detach __P((struct device *)); - -struct cfattach isaed_pcmcia_ca = { - sizeof(struct ed_softc), ed_pcmcia_match, edattach, ed_pcmcia_detach -}; - -static int ed_pcmcia_isa_attach __P((struct device *, void *, - void *, struct pcmcia_link *)); - -static int edmod __P((struct pcmcia_link *, struct device *, - struct pcmcia_conf *, struct cfdata *cf)); - -static int ed_remove __P((struct pcmcia_link *, struct device *)); - -/* additional setup needed for pcmcia devices */ -static int -ed_pcmcia_isa_attach(parent, match, aux, pc_link) - struct device *parent; - void *match; - void *aux; - struct pcmcia_link *pc_link; -{ - struct ed_softc *sc = match; - struct cfdata *cf = sc->sc_dev.dv_cfdata; - struct isa_attach_args *ia = aux; - struct pcmciadevs *dev=pc_link->device; - int err; - extern int ifqmaxlen; - u_char enaddr[ETHER_ADDR_LEN]; - - if ((int)dev->param != -1) - err = pcmcia_read_cis(pc_link, enaddr, - (int) dev->param, ETHER_ADDR_LEN); - else - err = 0; - if (err) - printf("%s: attaching ed: cannot read cis info %d\n", - parent->dv_xname, err); - - if (ed_find_Novell(sc, cf, ia)) { - delay(100); - if ((int)dev->param != -1) { - err = pcmcia_read_cis(pc_link, sc->sc_arpcom.ac_enaddr, - (int) dev->param, ETHER_ADDR_LEN); - if (err) { - printf("Cannot read cis info %d\n", err); - return 0; - } - if(bcmp(enaddr, sc->sc_arpcom.ac_enaddr, ETHER_ADDR_LEN)) { - printf("ENADDR MISMATCH %s ", - ether_sprintf(sc->sc_arpcom.ac_enaddr)); - printf("- %s\n", ether_sprintf(enaddr)); - bcopy(enaddr,sc->sc_arpcom.ac_enaddr, - ETHER_ADDR_LEN); - } - } - /* clear ED_NOTPRESENT, set ED_REATTACH if needed */ - sc->spec_flags=pc_link->flags&PCMCIA_REATTACH?ED_REATTACH:0; - sc->type_str = dev->model; - sc->sc_arpcom.ac_if.if_snd.ifq_maxlen=ifqmaxlen; - return 1; - } else - return 0; -} - -/* modify config entry */ -static int -edmod(pc_link, self, pc_cf, cf) - struct pcmcia_link *pc_link; - struct device *self; - struct pcmcia_conf *pc_cf; - struct cfdata *cf; -{ - int err; -/* struct pcmciadevs *dev=pc_link->device;*/ -/* struct ed_softc *sc = (void *)self;*/ - int svec_card = pc_cf->memwin == 5; - int de650_0 = (pc_cf->memwin != 0) && !svec_card; - err = PCMCIA_BUS_CONFIG(pc_link->adapter, pc_link, self, pc_cf, cf); - if (err) - return err; - - if (svec_card) { - pc_cf->memwin = 0; -#if 0 - pc_cf->cfgid = 32; /* Try this if it still doesn't work */ - pc_cf->cfgid |= 32; /* or Try this if it still doesn't work */ -#endif - } - if (de650_0) { - pc_cf->io[0].flags = - (pc_cf->io[0].flags&~PCMCIA_MAP_16)|PCMCIA_MAP_8; - pc_cf->memwin = 0; - pc_cf->cfgtype = DOSRESET|1; - } - else { - /* still wrong in CIS; fix it here */ - pc_cf->io[0].flags = PCMCIA_MAP_8|PCMCIA_MAP_16; - pc_cf->cfgtype = 1; - } - - return err; -} - - -static int -ed_remove(pc_link,self) - struct pcmcia_link *pc_link; - struct device *self; -{ - struct ed_softc *sc = (void *)self; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - if_down(ifp); - edstop(sc); - shutdownhook_disestablish(sc->sc_sh); - ifp->if_flags &= ~(IFF_RUNNING|IFF_UP); - sc->spec_flags |= ED_NOTPRESENT; - isa_intr_disestablish(sc->sc_ic, sc->sc_ih); - return PCMCIA_BUS_UNCONFIG(pc_link->adapter, pc_link); -} - -static struct pcmcia_dlink { - struct pcmcia_device pcd; -} pcmcia_dlink = { - {"PCMCIA Novell compatible", edmod, ed_pcmcia_isa_attach, - NULL, ed_remove} -}; - -struct pcmciadevs pcmcia_ed_devs[]={ - { "ed", 0, "D-Link", "DE-650", "Ver 01.00", NULL, (void *) -1, - (void *)&pcmcia_dlink }, - { "ed", 0, "D-Link", "DE-650", "", NULL, (void *) 0x40, - (void *)&pcmcia_dlink }, - { "ed", 0, "LINKSYS", "E-CARD", "Ver 01.00", NULL, (void *)-1, - (void *)&pcmcia_dlink }, - { "ed", 0, "IBM Corp.", "Ethernet", "0933495", NULL, (void *) 0xff0, - (void *)&pcmcia_dlink }, - { "ed", 0, "Socket Communications Inc", - "Socket EA PCMCIA LAN Adapter Revision D", "Ethernet ID 000000000000", - NULL, (void *) -1, - (void *)&pcmcia_dlink }, - /* something screwed up in ports requested */ - { "ed", 0, "SVEC", "FD605 PCMCIA EtherNet Card", "V1-1", NULL, - (void *)-1, (void *)&pcmcia_dlink }, -#if 0 - /* not quite right for ethernet adress */ - { "ed", 0, "PMX ", "PE-200", "ETHERNET", "R01", (void *)-1, - (void *)&pcmcia_dlink }, -#endif - { NULL } -}; - -#define ned_pcmcia_devs sizeof(pcmcia_ed_devs)/sizeof(pcmcia_ed_devs[0]) - -int -ed_pcmcia_match(parent, match, aux) - struct device *parent; - void *match, *aux; -{ - return pcmcia_slave_match(parent, match, aux, pcmcia_ed_devs, - ned_pcmcia_devs); -} - -void -ed_pcmcia_attach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct pcmcia_attach_args *paa = aux; - - printf("ed_pcmcia_attach %p %p %p\n", parent, self, aux); - delay(2000000); - if (!pcmcia_configure(parent, self, paa->paa_link)) { - struct ed_softc *sc = (void *)self; - sc->spec_flags |= ED_NOTPRESENT; - printf(": not attached\n"); - } -} - -/* - * No detach; network devices are too well linked into the rest of the - * kernel. - */ -int -ed_pcmcia_detach(self) - struct device *self; -{ - return EBUSY; -} - -#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))) - -/* - * Determine if the device is present. - */ -int -edprobe(parent, match, aux) - struct device *parent; - void *match, *aux; -{ - struct ed_softc *sc = match; - - return (ed_find(match, sc->sc_dev.dv_cfdata, aux)); -} - -/* - * Fill in softc (if given), based on device type, cfdata and attach args. - * Return 1 if successful, 0 otherwise. - */ -int -ed_find(sc, cf, ia) - struct ed_softc *sc; - struct cfdata *cf; - struct isa_attach_args *ia; -{ - - /* - * As many NE2000 clones provide extra functionality such as shared - * memory, they are susceptible to random thrashing by the other - * probes, so place it first. I don't know if this might hurt - * WD/SMC or 3Com cards. If so, please tell niklas@appli.se! - */ - if (ed_find_Novell(sc, cf, ia)) - return (1); - if (ed_find_WD80x3(sc, cf, ia)) - return (1); - if (ed_find_3Com(sc, cf, ia)) - return (1); - return (0); -} - -/* - * Generic probe routine for testing for the existance of a DS8390. Must be - * called after the NIC has just been reset. This routine works by looking at - * certain register values that are guaranteed to be initialized a certain way - * after power-up or reset. Seems not to currently work on the 83C690. - * - * Specifically: - * - * Register reset bits set bits - * Command Register (CR) TXP, STA RD2, STP - * Interrupt Status (ISR) RST - * Interrupt Mask (IMR) All bits - * Data Control (DCR) LAS - * Transmit Config. (TCR) LB1, LB0 - * - * We only look at the CR and ISR registers, however, because looking at the - * others would require changing register pages (which would be intrusive if - * this isn't an 8390). - * - * Return 1 if 8390 was found, 0 if not. - */ -int -ed_probe_generic8390(t, bah, nicbase) - bus_space_tag_t t; - bus_space_handle_t bah; - int nicbase; -{ - - if ((NIC_GET(t, bah, nicbase, ED_P0_CR) & - (ED_CR_RD2 | ED_CR_TXP | ED_CR_STA | ED_CR_STP)) != - (ED_CR_RD2 | ED_CR_STP)) - return (0); - if ((NIC_GET(t, bah, nicbase, ED_P0_ISR) & ED_ISR_RST) != ED_ISR_RST) - return (0); - - return (1); -} - -int ed_wd584_irq[] = { 9, 3, 5, 7, 10, 11, 15, 4 }; -int ed_wd790_irq[] = { IRQUNK, 9, 3, 5, 7, 10, 11, 15 }; - -/* - * Probe and vendor-specific initialization routine for SMC/WD80x3 boards. - */ -int -ed_find_WD80x3(sc, cf, ia) - struct ed_softc *sc; - struct cfdata *cf; - struct isa_attach_args *ia; -{ - bus_space_tag_t iot; - bus_space_tag_t memt; - bus_space_handle_t ioh; - bus_space_handle_t delaybah = ia->ia_delaybah; - bus_space_handle_t memh; - u_int memsize; - u_char iptr, isa16bit, sum; - int i, rv, memfail, mapped_mem = 0; - int asicbase, nicbase; - - iot = ia->ia_iot; - memt = ia->ia_memt; - rv = 0; - - /* Set initial values for width/size. */ - memsize = 8192; - isa16bit = 0; - - if (bus_space_map(iot, ia->ia_iobase, ED_WD_IO_PORTS, 0, &ioh)) - return (0); - - sc->asic_base = asicbase = 0; - sc->nic_base = nicbase = asicbase + ED_WD_NIC_OFFSET; - sc->is790 = 0; - -#ifdef TOSH_ETHER - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR, ED_WD_MSR_POW); - delay(10000); -#endif - - /* - * Attempt to do a checksum over the station address PROM. If it - * fails, it's probably not a SMC/WD board. There is a problem with - * this, though: some clone WD boards don't pass the checksum test. - * Danpex boards for one. - */ - for (sum = 0, i = 0; i < 8; ++i) - sum += bus_space_read_1(iot, ioh, asicbase + ED_WD_PROM + i); - - if (sum != ED_WD_ROM_CHECKSUM_TOTAL) { - /* - * Checksum is invalid. This often happens with cheap WD8003E - * clones. In this case, the checksum byte (the eighth byte) - * seems to always be zero. - */ - if (bus_space_read_1(iot, ioh, asicbase + ED_WD_CARD_ID) != - ED_TYPE_WD8003E || - bus_space_read_1(iot, ioh, asicbase + ED_WD_PROM + 7) != 0) - goto out; - } - - /* Reset card to force it into a known state. */ -#ifdef TOSH_ETHER - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR, - ED_WD_MSR_RST | ED_WD_MSR_POW); -#else - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR, ED_WD_MSR_RST); -#endif - delay(100); - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR, - bus_space_read_1(iot, ioh, asicbase + ED_WD_MSR) & ~ED_WD_MSR_RST); - /* Wait in the case this card is reading it's EEROM. */ - delay(5000); - - sc->vendor = ED_VENDOR_WD_SMC; - sc->type = bus_space_read_1(iot, ioh, asicbase + ED_WD_CARD_ID); - - switch (sc->type) { - case ED_TYPE_WD8003S: - sc->type_str = "WD8003S"; - break; - case ED_TYPE_WD8003E: - sc->type_str = "WD8003E"; - break; - case ED_TYPE_WD8003EB: - sc->type_str = "WD8003EB"; - break; - case ED_TYPE_WD8003W: - sc->type_str = "WD8003W"; - break; - case ED_TYPE_WD8013EBT: - sc->type_str = "WD8013EBT"; - memsize = 16384; - isa16bit = 1; - break; - case ED_TYPE_WD8013W: - sc->type_str = "WD8013W"; - memsize = 16384; - isa16bit = 1; - break; - case ED_TYPE_WD8013EP: /* also WD8003EP */ - if (bus_space_read_1(iot, ioh, asicbase + ED_WD_ICR) - & ED_WD_ICR_16BIT) { - isa16bit = 1; - memsize = 16384; - sc->type_str = "WD8013EP"; - } else - sc->type_str = "WD8003EP"; - break; - case ED_TYPE_WD8013WC: - sc->type_str = "WD8013WC"; - memsize = 16384; - isa16bit = 1; - break; - case ED_TYPE_WD8013EBP: - sc->type_str = "WD8013EBP"; - memsize = 16384; - isa16bit = 1; - break; - case ED_TYPE_WD8013EPC: - sc->type_str = "WD8013EPC"; - memsize = 16384; - isa16bit = 1; - break; - case ED_TYPE_SMC8216C: - case ED_TYPE_SMC8216T: - sc->type_str = (sc->type == ED_TYPE_SMC8216C) ? - "SMC8216/SMC8216C" : "SMC8216T"; - bus_space_write_1(iot, ioh, asicbase + ED_WD790_HWR, - bus_space_read_1(iot, ioh, asicbase + ED_WD790_HWR) - | ED_WD790_HWR_SWH); - switch (bus_space_read_1(iot, ioh, asicbase + ED_WD790_RAR) & - ED_WD790_RAR_SZ64) { - case ED_WD790_RAR_SZ64: - memsize = 65536; - break; - case ED_WD790_RAR_SZ32: - memsize = 32768; - break; - case ED_WD790_RAR_SZ16: - memsize = 16384; - break; - case ED_WD790_RAR_SZ8: - /* 8216 has 16K shared mem -- 8416 has 8K */ - sc->type_str = (sc->type == ED_TYPE_SMC8216C) ? - "SMC8416C/SMC8416BT" : "SMC8416T"; - memsize = 8192; - break; - } - bus_space_write_1(iot, ioh, asicbase + ED_WD790_HWR, - bus_space_read_1(iot, ioh, - asicbase + ED_WD790_HWR) & ~ED_WD790_HWR_SWH); - - isa16bit = 1; - sc->is790 = 1; - break; -#ifdef TOSH_ETHER - case ED_TYPE_TOSHIBA1: - sc->type_str = "Toshiba1"; - memsize = 32768; - isa16bit = 1; - break; - case ED_TYPE_TOSHIBA4: - sc->type_str = "Toshiba4"; - memsize = 32768; - isa16bit = 1; - break; -#endif - default: - sc->type_str = NULL; - break; - } - /* - * Make some adjustments to initial values depending on what is found - * in the ICR. - */ - if (isa16bit && (sc->type != ED_TYPE_WD8013EBT) && -#ifdef TOSH_ETHER - (sc->type != ED_TYPE_TOSHIBA1) && (sc->type != ED_TYPE_TOSHIBA4) && -#endif - ((bus_space_read_1(iot, ioh, - asicbase + ED_WD_ICR) & ED_WD_ICR_16BIT) == 0)) { - isa16bit = 0; - memsize = 8192; - } - -#ifdef ED_DEBUG - printf("type=%x type_str=%s isa16bit=%d memsize=%d id_msize=%d\n", - sc->type, sc->type_str ?: "unknown", isa16bit, memsize, - ia->ia_msize); - for (i = 0; i < 8; i++) - printf("%x -> %x\n", i, - bus_space_read_1(iot, ioh, asicbase + i)); -#endif - /* Allow the user to override the autoconfiguration. */ - if (ia->ia_msize) - memsize = ia->ia_msize; - /* - * (Note that if the user specifies both of the following flags that - * '8-bit' mode intentionally has precedence.) - */ - if (cf->cf_flags & ED_FLAGS_FORCE_16BIT_MODE) - isa16bit = 1; - if (cf->cf_flags & ED_FLAGS_FORCE_8BIT_MODE) - isa16bit = 0; - - /* - * If possible, get the assigned interrupt number from the card and - * use it. - */ - if (sc->is790) { - u_char x; - /* Assemble together the encoded interrupt number. */ - bus_space_write_1(iot, ioh, ED_WD790_HWR, - bus_space_read_1(iot, ioh, ED_WD790_HWR) | ED_WD790_HWR_SWH); - x = bus_space_read_1(iot, ioh, ED_WD790_GCR); - iptr = ((x & ED_WD790_GCR_IR2) >> 4) | - ((x & (ED_WD790_GCR_IR1|ED_WD790_GCR_IR0)) >> 2); - bus_space_write_1(iot, ioh, ED_WD790_HWR, - bus_space_read_1(iot, ioh, ED_WD790_HWR) & ~ED_WD790_HWR_SWH); - /* - * Translate it using translation table, and check for - * correctness. - */ - if (ia->ia_irq != IRQUNK) { - if (ia->ia_irq != ed_wd790_irq[iptr]) { - printf("%s: irq mismatch; kernel configured %d != board configured %d\n", - sc->sc_dev.dv_xname, ia->ia_irq, - ed_wd790_irq[iptr]); - goto out; - } - } else - ia->ia_irq = ed_wd790_irq[iptr]; - /* Enable the interrupt. */ - bus_space_write_1(iot, ioh, ED_WD790_ICR, - bus_space_read_1(iot, ioh, ED_WD790_ICR) | ED_WD790_ICR_EIL); - } else if (sc->type & ED_WD_SOFTCONFIG) { - /* Assemble together the encoded interrupt number. */ - iptr = (bus_space_read_1(iot, ioh, ED_WD_ICR) & ED_WD_ICR_IR2) | - ((bus_space_read_1(iot, ioh, ED_WD_IRR) & - (ED_WD_IRR_IR0 | ED_WD_IRR_IR1)) >> 5); - /* - * Translate it using translation table, and check for - * correctness. - */ - if (ia->ia_irq != IRQUNK) { - if (ia->ia_irq != ed_wd584_irq[iptr]) { - printf("%s: irq mismatch; kernel configured %d != board configured %d\n", - sc->sc_dev.dv_xname, ia->ia_irq, - ed_wd584_irq[iptr]); - goto out; - } - } else - ia->ia_irq = ed_wd584_irq[iptr]; - /* Enable the interrupt. */ - bus_space_write_1(iot, ioh, ED_WD_IRR, - bus_space_read_1(iot, ioh, ED_WD_IRR) | ED_WD_IRR_IEN); - } else { - if (ia->ia_irq == IRQUNK) { - printf("%s: %s does not have soft configuration\n", - sc->sc_dev.dv_xname, sc->type_str); - goto out; - } - } - - /* XXX Figure out the shared memory address. */ - - sc->isa16bit = isa16bit; - sc->mem_shared = 1; - ia->ia_msize = memsize; - if (bus_space_map(memt, ia->ia_maddr, memsize, 0, &memh)) - goto out; - mapped_mem = 1; - sc->mem_start = 0; /* offset */ - - /* Allocate one xmit buffer if < 16k, two buffers otherwise. */ - if ((memsize < 16384) || (cf->cf_flags & ED_FLAGS_NO_MULTI_BUFFERING)) - sc->txb_cnt = 1; - else - sc->txb_cnt = 2; - - sc->tx_page_start = ED_WD_PAGE_OFFSET; - sc->rec_page_start = sc->tx_page_start + sc->txb_cnt * ED_TXBUF_SIZE; - sc->rec_page_stop = sc->tx_page_start + (memsize >> ED_PAGE_SHIFT); - sc->mem_ring = sc->mem_start + (sc->rec_page_start << ED_PAGE_SHIFT); - sc->mem_size = memsize; - sc->mem_end = sc->mem_start + memsize; - - /* Get station address from on-board ROM. */ - for (i = 0; i < ETHER_ADDR_LEN; ++i) - sc->sc_arpcom.ac_enaddr[i] = - bus_space_read_1(iot, ioh, asicbase + ED_WD_PROM + i); - - /* - * Set upper address bits and 8/16 bit access to shared memory. - */ - if (isa16bit) { - if (sc->is790) { - sc->wd_laar_proto = - bus_space_read_1(iot, ioh, asicbase + ED_WD_LAAR) & - ~ED_WD_LAAR_M16EN; - } else { - sc->wd_laar_proto = - ED_WD_LAAR_L16EN | - ((ia->ia_maddr >> 19) & - ED_WD_LAAR_ADDRHI); - } - bus_space_write_1(iot, ioh, asicbase + ED_WD_LAAR, - sc->wd_laar_proto | ED_WD_LAAR_M16EN); - } else { - if ((sc->type & ED_WD_SOFTCONFIG) || -#ifdef TOSH_ETHER - (sc->type == ED_TYPE_TOSHIBA1) || - (sc->type == ED_TYPE_TOSHIBA4) || -#endif - ((sc->type == ED_TYPE_WD8013EBT) && !sc->is790)) { - sc->wd_laar_proto = - ((ia->ia_maddr >> 19) & - ED_WD_LAAR_ADDRHI); - bus_space_write_1(iot, ioh, asicbase + ED_WD_LAAR, - sc->wd_laar_proto); - } - } - - /* - * Set address and enable interface shared memory. - */ - if (!sc->is790) { -#ifdef TOSH_ETHER - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR + 1, - ((ia->ia_maddr >> 8) & 0xe0) | 4); - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR + 2, - ((ia->ia_maddr >> 16) & 0x0f)); - sc->wd_msr_proto = ED_WD_MSR_POW; -#else - sc->wd_msr_proto = - (ia->ia_maddr >> 13) & ED_WD_MSR_ADDR; -#endif - sc->cr_proto = ED_CR_RD2; - } else { - bus_space_write_1(iot, ioh, asicbase + 0x04, - bus_space_read_1(iot, ioh, asicbase + 0x04) | 0x80); - bus_space_write_1(iot, ioh, asicbase + 0x0b, - ((ia->ia_maddr >> 13) & 0x0f) | - ((ia->ia_maddr >> 11) & 0x40) | - (bus_space_read_1(iot, ioh, asicbase + 0x0b) & 0xb0)); - bus_space_write_1(iot, ioh, asicbase + 0x04, - bus_space_read_1(iot, ioh, asicbase + 0x04) & ~0x80); - sc->wd_msr_proto = 0x00; - sc->cr_proto = 0; - } - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR, - sc->wd_msr_proto | ED_WD_MSR_MENB); - - (void) bus_space_read_1(iot, delaybah, 0); - (void) bus_space_read_1(iot, delaybah, 0); - - /* Now zero memory and verify that it is clear. */ - if (isa16bit) { - for (i = 0; i < memsize; i += 2) - bus_space_write_2(memt, memh, sc->mem_start + i, 0); - } else { - for (i = 0; i < memsize; ++i) - bus_space_write_1(memt, memh, sc->mem_start + i, 0); - } - - memfail = 0; - if (isa16bit) { - for (i = 0; i < memsize; i += 2) { - if (bus_space_read_2(memt, memh, sc->mem_start + i)) { - memfail = 1; - break; - } - } - } else { - for (i = 0; i < memsize; ++i) { - if (bus_space_read_1(memt, memh, sc->mem_start + i)) { - memfail = 1; - break; - } - } - } - - if (memfail) { - printf("%s: failed to clear shared memory at %x - " - "check configuration\n", - sc->sc_dev.dv_xname, - (ia->ia_maddr + sc->mem_start + i)); - - /* Disable 16 bit access to shared memory. */ - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR, - sc->wd_msr_proto); - if (isa16bit) - bus_space_write_1(iot, ioh, asicbase + ED_WD_LAAR, - sc->wd_laar_proto); - (void) bus_space_read_1(iot, delaybah, 0); - (void) bus_space_read_1(iot, delaybah, 0); - goto out; - } - - /* - * Disable 16bit access to shared memory - we leave it disabled - * so that 1) machines reboot properly when the board is set 16 - * 16 bit mode and there are conflicting 8bit devices/ROMS in - * the same 128k address space as this boards shared memory, - * and 2) so that other 8 bit devices with shared memory can be - * used in this 128k region, too. - */ - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR, sc->wd_msr_proto); - if (isa16bit) - bus_space_write_1(iot, ioh, asicbase + ED_WD_LAAR, - sc->wd_laar_proto); - (void) bus_space_read_1(iot, delaybah, 0); - (void) bus_space_read_1(iot, delaybah, 0); - - ia->ia_iosize = ED_WD_IO_PORTS; - rv = 1; - - out: - /* - * XXX Sould always unmap, but we can't yet. - * XXX Need to squish "indirect" first. - */ - if (rv == 0) { - bus_space_unmap(iot, ioh, ED_WD_IO_PORTS); - if (mapped_mem) - bus_space_unmap(memt, memh, memsize); - } else { - /* XXX this is all "indirect" brokenness */ - sc->sc_iot = iot; - sc->sc_memt = memt; - sc->sc_ioh = ioh; - sc->sc_memh = memh; - } - return (rv); -} - -int ed_3com_iobase[] = - {0x2e0, 0x2a0, 0x280, 0x250, 0x350, 0x330, 0x310, 0x300}; -int ed_3com_maddr[] = { - MADDRUNK, MADDRUNK, MADDRUNK, MADDRUNK, 0xc8000, 0xcc000, 0xd8000, 0xdc000 -}; -#if 0 -int ed_3com_irq[] = {IRQUNK, IRQUNK, IRQUNK, IRQUNK, 9, 3, 4, 5}; -#endif - -/* - * Probe and vendor-specific initialization routine for 3Com 3c503 boards. - */ -int -ed_find_3Com(sc, cf, ia) - struct ed_softc *sc; - struct cfdata *cf; - struct isa_attach_args *ia; -{ - bus_space_tag_t iot; - bus_space_tag_t memt; - bus_space_handle_t ioh; - bus_space_handle_t memh; - int i; - u_int memsize, memfail; - u_char isa16bit, x; - int ptr, asicbase, nicbase; - - /* - * Hmmm...a 16bit 3Com board has 16k of memory, but only an 8k window - * to it. - */ - memsize = 8192; - - iot = ia->ia_iot; - memt = ia->ia_memt; - - if (bus_space_map(iot, ia->ia_iobase, ED_3COM_IO_PORTS, 0, &ioh)) - return (0); - - sc->asic_base = asicbase = ED_3COM_ASIC_OFFSET; - sc->nic_base = nicbase = ED_3COM_NIC_OFFSET; - - /* - * Verify that the kernel configured I/O address matches the board - * configured address. - * - * This is really only useful to see if something that looks like the - * board is there; after all, we are already talking it at that - * address. - */ - x = bus_space_read_1(iot, ioh, asicbase + ED_3COM_BCFR); - if (x == 0 || (x & (x - 1)) != 0) - goto err; - ptr = ffs(x) - 1; - if (ia->ia_iobase != IOBASEUNK) { - if (ia->ia_iobase != ed_3com_iobase[ptr]) { - printf("%s: %s mismatch; kernel configured %x != board configured %x\n", - "iobase", sc->sc_dev.dv_xname, ia->ia_iobase, - ed_3com_iobase[ptr]); - goto err; - } - } else - ia->ia_iobase = ed_3com_iobase[ptr]; /* XXX --thorpej */ - - x = bus_space_read_1(iot, ioh, asicbase + ED_3COM_PCFR); - if (x == 0 || (x & (x - 1)) != 0) { - printf("%s: The 3c503 is not currently supported with memory " - "mapping disabled.\n%s: Reconfigure the card to " - "enable memory mapping.\n", - sc->sc_dev.dv_xname, sc->sc_dev.dv_xname); - goto err; - } - ptr = ffs(x) - 1; - if (ia->ia_maddr != MADDRUNK) { - if (ia->ia_maddr != ed_3com_maddr[ptr]) { - printf("%s: %s mismatch; kernel configured %x != board configured %x\n", - "maddr", sc->sc_dev.dv_xname, ia->ia_maddr, - ed_3com_maddr[ptr]); - goto err; - } - } else - ia->ia_maddr = ed_3com_maddr[ptr]; - -#if 0 - x = bus_space_read_1(iot, ioh, asicbase + ED_3COM_IDCFR) & - ED_3COM_IDCFR_IRQ; - if (x == 0 || (x & (x - 1)) != 0) - goto out; - ptr = ffs(x) - 1; - if (ia->ia_irq != IRQUNK) { - if (ia->ia_irq != ed_3com_irq[ptr]) { - printf("%s: irq mismatch; kernel configured %d != board configured %d\n", - sc->sc_dev.dv_xname, ia->ia_irq, - ed_3com_irq[ptr]); - goto err; - } - } else - ia->ia_irq = ed_3com_irq[ptr]; -#endif - - /* - * Reset NIC and ASIC. Enable on-board transceiver throughout reset - * sequence because it'll lock up if the cable isn't connected if we - * don't. - */ - bus_space_write_1(iot, ioh, asicbase + ED_3COM_CR, - ED_3COM_CR_RST | ED_3COM_CR_XSEL); - - /* Wait for a while, then un-reset it. */ - delay(50); - - /* - * The 3Com ASIC defaults to rather strange settings for the CR after a - * reset - it's important to set it again after the following outb - * (this is done when we map the PROM below). - */ - bus_space_write_1(iot, ioh, asicbase + ED_3COM_CR, ED_3COM_CR_XSEL); - - /* Wait a bit for the NIC to recover from the reset. */ - delay(5000); - - sc->vendor = ED_VENDOR_3COM; - sc->type_str = "3c503"; - sc->mem_shared = 1; - sc->cr_proto = ED_CR_RD2; - - /* - * Get station address from on-board ROM. - * - * First, map ethernet address PROM over the top of where the NIC - * registers normally appear. - */ - bus_space_write_1(iot, ioh, asicbase + ED_3COM_CR, - ED_3COM_CR_EALO | ED_3COM_CR_XSEL); - - for (i = 0; i < ETHER_ADDR_LEN; ++i) - sc->sc_arpcom.ac_enaddr[i] = NIC_GET(iot, ioh, nicbase, i); - - /* - * Unmap PROM - select NIC registers. The proper setting of the - * tranceiver is set in edinit so that the attach code is given a - * chance to set the default based on a compile-time config option. - */ - bus_space_write_1(iot, ioh, asicbase + ED_3COM_CR, ED_3COM_CR_XSEL); - - /* Determine if this is an 8bit or 16bit board. */ - - /* Select page 0 registers. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STP); - - /* - * Attempt to clear WTS bit. If it doesn't clear, then this is a - * 16-bit board. - */ - NIC_PUT(iot, ioh, nicbase, ED_P0_DCR, 0); - - /* Select page 2 registers. */ - NIC_PUT(iot, ioh, nicbase, - ED_P0_CR, ED_CR_RD2 | ED_CR_PAGE_2 | ED_CR_STP); - - /* The 3c503 forces the WTS bit to a one if this is a 16bit board. */ - if (NIC_GET(iot, ioh, nicbase, ED_P2_DCR) & ED_DCR_WTS) - isa16bit = 1; - else - isa16bit = 0; - - /* Select page 0 registers. */ - NIC_PUT(iot, ioh, nicbase, ED_P2_CR, - ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STP); - - if (bus_space_map(memt, ia->ia_maddr, memsize, 0, &memh)) - goto err; - sc->mem_start = 0; /* offset */ - sc->mem_size = memsize; - sc->mem_end = sc->mem_start + memsize; - - /* - * We have an entire 8k window to put the transmit buffers on the - * 16-bit boards. But since the 16bit 3c503's shared memory is only - * fast enough to overlap the loading of one full-size packet, trying - * to load more than 2 buffers can actually leave the transmitter idle - * during the load. So 2 seems the best value. (Although a mix of - * variable-sized packets might change this assumption. Nonetheless, - * we optimize for linear transfers of same-size packets.) - */ - if (isa16bit) { - if (cf->cf_flags & ED_FLAGS_NO_MULTI_BUFFERING) - sc->txb_cnt = 1; - else - sc->txb_cnt = 2; - - sc->tx_page_start = ED_3COM_TX_PAGE_OFFSET_16BIT; - sc->rec_page_start = ED_3COM_RX_PAGE_OFFSET_16BIT; - sc->rec_page_stop = - (memsize >> ED_PAGE_SHIFT) + ED_3COM_RX_PAGE_OFFSET_16BIT; - sc->mem_ring = sc->mem_start; - } else { - sc->txb_cnt = 1; - sc->tx_page_start = ED_3COM_TX_PAGE_OFFSET_8BIT; - sc->rec_page_start = - ED_TXBUF_SIZE + ED_3COM_TX_PAGE_OFFSET_8BIT; - sc->rec_page_stop = - (memsize >> ED_PAGE_SHIFT) + ED_3COM_TX_PAGE_OFFSET_8BIT; - sc->mem_ring = - sc->mem_start + (ED_TXBUF_SIZE << ED_PAGE_SHIFT); - } - - sc->isa16bit = isa16bit; - - /* - * Initialize GA page start/stop registers. Probably only needed if - * doing DMA, but what the Hell. - */ - bus_space_write_1(iot, ioh, asicbase + ED_3COM_PSTR, sc->rec_page_start); - bus_space_write_1(iot, ioh, asicbase + ED_3COM_PSPR, sc->rec_page_stop); - - /* Set IRQ. 3c503 only allows a choice of irq 3-5 or 9. */ - switch (ia->ia_irq) { - case 9: - bus_space_write_1(iot, ioh, asicbase + ED_3COM_IDCFR, - ED_3COM_IDCFR_IRQ2); - break; - case 3: - bus_space_write_1(iot, ioh, asicbase + ED_3COM_IDCFR, - ED_3COM_IDCFR_IRQ3); - break; - case 4: - bus_space_write_1(iot, ioh, asicbase + ED_3COM_IDCFR, - ED_3COM_IDCFR_IRQ4); - break; - case 5: - bus_space_write_1(iot, ioh, asicbase + ED_3COM_IDCFR, - ED_3COM_IDCFR_IRQ5); - break; - default: - printf("%s: invalid irq configuration (%d) must be 3-5 or 9 for 3c503\n", - sc->sc_dev.dv_xname, ia->ia_irq); - goto out; - } - - /* - * Initialize GA configuration register. Set bank and enable shared - * mem. - */ - bus_space_write_1(iot, ioh, asicbase + ED_3COM_GACFR, - ED_3COM_GACFR_RSEL | ED_3COM_GACFR_MBS0); - - /* - * Initialize "Vector Pointer" registers. These gawd-awful things are - * compared to 20 bits of the address on ISA, and if they match, the - * shared memory is disabled. We set them to 0xffff0...allegedly the - * reset vector. - */ - bus_space_write_1(iot, ioh, asicbase + ED_3COM_VPTR2, 0xff); - bus_space_write_1(iot, ioh, asicbase + ED_3COM_VPTR1, 0xff); - bus_space_write_1(iot, ioh, asicbase + ED_3COM_VPTR0, 0x00); - - /* Now zero memory and verify that it is clear. */ - if (isa16bit) { - for (i = 0; i < memsize; i += 2) - bus_space_write_2(memt, memh, sc->mem_start + i, 0); - } else { - for (i = 0; i < memsize; ++i) - bus_space_write_1(memt, memh, sc->mem_start + i, 0); - } - - memfail = 0; - if (isa16bit) { - for (i = 0; i < memsize; i += 2) { - if (bus_space_read_2(memt, memh, sc->mem_start + i)) { - memfail = 1; - break; - } - } - } else { - for (i = 0; i < memsize; ++i) { - if (bus_space_read_1(memt, memh, sc->mem_start + i)) { - memfail = 1; - break; - } - } - } - - if (memfail) { - printf("%s: failed to clear shared memory at %x - " - "check configuration\n", - sc->sc_dev.dv_xname, - (ia->ia_maddr + sc->mem_start + i)); - goto out; - } - - ia->ia_msize = memsize; - ia->ia_iosize = ED_3COM_IO_PORTS; - - /* - * XXX Sould always unmap, but we can't yet. - * XXX Need to squish "indirect" first. - */ - sc->sc_iot = iot; - sc->sc_memt = memt; - sc->sc_ioh = ioh; - sc->sc_memh = memh; - return 1; - - out: - bus_space_unmap(memt, memh, memsize); - err: - bus_space_unmap(iot, ioh, ED_3COM_IO_PORTS); - return 0; -} - -/* - * Probe and vendor-specific initialization routine for NE1000/2000 boards. - */ -int -ed_find_Novell(sc, cf, ia) - struct ed_softc *sc; - struct cfdata *cf; - struct isa_attach_args *ia; -{ - bus_space_tag_t iot; - bus_space_handle_t ioh; - u_int memsize, n; - u_char romdata[16], tmp; - static u_char test_pattern[32] = "THIS is A memory TEST pattern"; - u_char test_buffer[32]; - int asicbase, nicbase; - - iot = ia->ia_iot; - - if (bus_space_map(iot, ia->ia_iobase, ED_NOVELL_IO_PORTS, 0, &ioh)) - return (0); - - sc->asic_base = asicbase = ED_NOVELL_ASIC_OFFSET; - sc->nic_base = nicbase = ED_NOVELL_NIC_OFFSET; - - /* XXX - do Novell-specific probe here */ - - /* Reset the board. */ -#ifdef GWETHER - bus_space_write_1(iot, ioh, asicbase + ED_NOVELL_RESET, 0); - delay(200); -#endif /* GWETHER */ - tmp = bus_space_read_1(iot, ioh, asicbase + ED_NOVELL_RESET); - - /* - * I don't know if this is necessary; probably cruft leftover from - * Clarkson packet driver code. Doesn't do a thing on the boards I've - * tested. -DG [note that a outb(0x84, 0) seems to work here, and is - * non-invasive...but some boards don't seem to reset and I don't have - * complete documentation on what the 'right' thing to do is...so we do - * the invasive thing for now. Yuck.] - */ - bus_space_write_1(iot, ioh, asicbase + ED_NOVELL_RESET, tmp); - delay(5000); - - /* - * This is needed because some NE clones apparently don't reset the NIC - * properly (or the NIC chip doesn't reset fully on power-up) - * XXX - this makes the probe invasive! ...Done against my better - * judgement. -DLG - */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STP); - - delay(5000); - - /* Make sure that we really have an 8390 based board. */ - if (!ed_probe_generic8390(iot, ioh, nicbase)) - goto out; - - sc->vendor = ED_VENDOR_NOVELL; - sc->mem_shared = 0; - sc->cr_proto = ED_CR_RD2; - ia->ia_msize = 0; - - /* - * Test the ability to read and write to the NIC memory. This has the - * side affect of determining if this is an NE1000 or an NE2000. - */ - - /* - * This prevents packets from being stored in the NIC memory when the - * readmem routine turns on the start bit in the CR. - */ - NIC_PUT(iot, ioh, nicbase, ED_P0_RCR, ED_RCR_MON); - - /* Temporarily initialize DCR for byte operations. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_DCR, ED_DCR_FT1 | ED_DCR_LS); - - NIC_PUT(iot, ioh, nicbase, ED_P0_PSTART, 8192 >> ED_PAGE_SHIFT); - NIC_PUT(iot, ioh, nicbase, ED_P0_PSTOP, 16384 >> ED_PAGE_SHIFT); - - sc->isa16bit = 0; - - /* - * XXX indirect brokenness, used by ed_pio{read,write}mem() - */ - sc->sc_iot = iot; - sc->sc_ioh = ioh; - - /* - * Write a test pattern in byte mode. If this fails, then there - * probably isn't any memory at 8k - which likely means that the board - * is an NE2000. - */ - ed_pio_writemem(sc, test_pattern, 8192, sizeof(test_pattern)); - ed_pio_readmem(sc, 8192, test_buffer, sizeof(test_pattern)); - - if (bcmp(test_pattern, test_buffer, sizeof(test_pattern))) { - /* not an NE1000 - try NE2000 */ - - 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); - - sc->isa16bit = 1; - - /* - * Write a test pattern in word mode. If this also fails, then - * we don't know what this board is. - */ - ed_pio_writemem(sc, test_pattern, 16384, sizeof(test_pattern)); - ed_pio_readmem(sc, 16384, test_buffer, sizeof(test_pattern)); - - if (bcmp(test_pattern, test_buffer, sizeof(test_pattern))) - goto out; /* not an NE2000 either */ - - sc->type = ED_TYPE_NE2000; - sc->type_str = "NE2000"; - } else { - sc->type = ED_TYPE_NE1000; - sc->type_str = "NE1000"; - } - - if (ia->ia_irq == IRQUNK) { - printf("%s: %s does not have soft configuration\n", - sc->sc_dev.dv_xname, sc->type_str); - goto out; - } - - /* 8k of memory plus an additional 8k if 16-bit. */ - memsize = 8192 + sc->isa16bit * 8192; - -#if 0 /* probably not useful - NE boards only come two ways */ - /* Allow kernel config file overrides. */ - if (ia->ia_msize) - memsize = ia->ia_msize; -#endif - - /* NIC memory doesn't start at zero on an NE board. */ - /* The start address is tied to the bus width. */ - sc->mem_start = (8192 + sc->isa16bit * 8192); - sc->tx_page_start = memsize >> ED_PAGE_SHIFT; - -#ifdef GWETHER - { - int x, i, mstart = 0; - char pbuf0[ED_PAGE_SIZE], pbuf[ED_PAGE_SIZE], tbuf[ED_PAGE_SIZE]; - - for (i = 0; i < ED_PAGE_SIZE; i++) - pbuf0[i] = 0; - - /* Search for the start of RAM. */ - for (x = 1; x < 256; x++) { - ed_pio_writemem(sc, pbuf0, x << ED_PAGE_SHIFT, ED_PAGE_SIZE); - ed_pio_readmem(sc, x << ED_PAGE_SHIFT, tbuf, ED_PAGE_SIZE); - if (!bcmp(pbuf0, tbuf, ED_PAGE_SIZE)) { - for (i = 0; i < ED_PAGE_SIZE; i++) - pbuf[i] = 255 - x; - ed_pio_writemem(sc, pbuf, x << ED_PAGE_SHIFT, ED_PAGE_SIZE); - ed_pio_readmem(sc, x << ED_PAGE_SHIFT, tbuf, ED_PAGE_SIZE); - if (!bcmp(pbuf, tbuf, ED_PAGE_SIZE)) { - mstart = x << ED_PAGE_SHIFT; - memsize = ED_PAGE_SIZE; - break; - } - } - } - - if (mstart == 0) { - printf("%s: cannot find start of RAM\n", - sc->sc_dev.dv_xname); - goto err; - } - - /* Search for the end of RAM. */ - for (++x; x < 256; x++) { - ed_pio_writemem(sc, pbuf0, x << ED_PAGE_SHIFT, ED_PAGE_SIZE); - ed_pio_readmem(sc, x << ED_PAGE_SHIFT, tbuf, ED_PAGE_SIZE); - if (!bcmp(pbuf0, tbuf, ED_PAGE_SIZE)) { - for (i = 0; i < ED_PAGE_SIZE; i++) - pbuf[i] = 255 - x; - ed_pio_writemem(sc, pbuf, x << ED_PAGE_SHIFT, ED_PAGE_SIZE); - ed_pio_readmem(sc, x << ED_PAGE_SHIFT, tbuf, ED_PAGE_SIZE); - if (!bcmp(pbuf, tbuf, ED_PAGE_SIZE)) - memsize += ED_PAGE_SIZE; - else - break; - } else - break; - } - - printf("%s: RAM start %x, size %d\n", - sc->sc_dev.dv_xname, mstart, memsize); - - sc->mem_start = (caddr_t)mstart; - sc->tx_page_start = mstart >> ED_PAGE_SHIFT; - } -#endif /* GWETHER */ - - sc->mem_size = memsize; - sc->mem_end = sc->mem_start + memsize; - - /* - * Use one xmit buffer if < 16k, two buffers otherwise (if not told - * otherwise). - */ - if ((memsize < 16384) || (cf->cf_flags & ED_FLAGS_NO_MULTI_BUFFERING)) - sc->txb_cnt = 1; - else - sc->txb_cnt = 2; - - sc->rec_page_start = sc->tx_page_start + sc->txb_cnt * ED_TXBUF_SIZE; - sc->rec_page_stop = sc->tx_page_start + (memsize >> ED_PAGE_SHIFT); - - sc->mem_ring = - sc->mem_start + ((sc->txb_cnt * ED_TXBUF_SIZE) << ED_PAGE_SHIFT); - - ed_pio_readmem(sc, 0, romdata, 16); - for (n = 0; n < ETHER_ADDR_LEN; n++) - sc->sc_arpcom.ac_enaddr[n] = romdata[n*(sc->isa16bit+1)]; - -#ifdef GWETHER - if (sc->arpcom.ac_enaddr[2] == 0x86) - sc->type_str = "Gateway AT"; -#endif /* GWETHER */ - - /* Clear any pending interrupts that might have occurred above. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_ISR, 0xff); - - ia->ia_iosize = ED_NOVELL_IO_PORTS; - - /* - * XXX Sould always unmap, but we can't yet. - * XXX Need to squish "indirect" first. - */ - sc->sc_iot = iot; - sc->sc_ioh = ioh; - /* sc_memh is not used by this driver */ - return 1; - out: - bus_space_unmap(iot, ioh, ED_NOVELL_IO_PORTS); - - return 0; -} - -/* - * Install interface into kernel networking data structures. - */ -void -edattach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - bus_space_tag_t iot; - bus_space_handle_t ioh; - struct ed_softc *sc = (void *)self; - struct isa_attach_args *ia = aux; - struct cfdata *cf = sc->sc_dev.dv_cfdata; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - int asicbase; - - /* - * XXX Should re-map io and mem, but can't - * XXX until we squish "indirect" brokenness. - */ - iot = sc->sc_iot; /* XXX */ - ioh = sc->sc_ioh; /* XXX */ - - asicbase = sc->asic_base; - sc->sc_delaybah = ia->ia_delaybah; - - /* 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; - - /* - * Set default state for LINK0 flag (used to disable the tranceiver - * for AUI operation), based on compile-time config option. - */ - switch (sc->vendor) { - case ED_VENDOR_3COM: - if (cf->cf_flags & ED_FLAGS_DISABLE_TRANCEIVER) - ifp->if_flags |= IFF_LINK0; - break; - case ED_VENDOR_WD_SMC: - if ((sc->type & ED_WD_SOFTCONFIG) == 0) - break; - if ((bus_space_read_1(iot, ioh, asicbase + ED_WD_IRR) & - ED_WD_IRR_OUT2) == 0) - ifp->if_flags |= IFF_LINK0; - break; - } - - /* Attach the interface. */ - if ((sc->spec_flags & ED_REATTACH) == 0) { - if_attach(ifp); - ether_ifattach(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", sc->isa16bit ? "(16-bit)" : "(8-bit)"); - - switch (sc->vendor) { - case ED_VENDOR_WD_SMC: - if ((sc->type & ED_WD_SOFTCONFIG) == 0) - break; - case ED_VENDOR_3COM: - if (ifp->if_flags & IFF_LINK0) - printf(" aui"); - else - printf(" bnc"); - break; - } - - printf("\n"); - -#if NBPFILTER > 0 - if ((sc->spec_flags & ED_REATTACH) == 0) - bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, - sizeof(struct ether_header)); -#endif - - sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, - IPL_NET, isaedintr, sc, sc->sc_dev.dv_xname); - sc->sc_sh = shutdownhook_establish((void (*)(void *))edstop, sc); -} - -/* - * Reset interface. - */ -void -edreset(sc) - struct ed_softc *sc; -{ - int s; - - s = splnet(); - edstop(sc); - edinit(sc); - splx(s); -} - -/* - * Take interface offline. - */ -void -edstop(sc) - struct ed_softc *sc; -{ - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - int nicbase = sc->nic_base; - int n = 5000; - - /* Stop everything on the interface, and select page 0 registers. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - sc->cr_proto | ED_CR_PAGE_0 | ED_CR_STP); - - /* - * Wait for interface to enter stopped state, but limit # of checks to - * 'n' (about 5ms). It shouldn't even take 5us on modern DS8390's, but - * just in case it's an old one. - */ - while (((NIC_GET(iot, ioh, nicbase, - ED_P0_ISR) & ED_ISR_RST) == 0) && --n); -} - -/* - * Device timeout/watchdog routine. Entered if the device neglects to generate - * an interrupt after a transmit has been started on it. - */ -void -edwatchdog(ifp) - struct ifnet *ifp; -{ - struct ed_softc *sc = ifp->if_softc; - - log(LOG_ERR, "%s: device timeout\n", sc->sc_dev.dv_xname); - ++sc->sc_arpcom.ac_if.if_oerrors; - - edreset(sc); -} - -/* - * Initialize device. - */ -void -edinit(sc) - struct ed_softc *sc; -{ - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - int nicbase = sc->nic_base, asicbase = sc->asic_base; - int i; - u_int32_t mcaf[2]; - - /* - * Initialize the NIC in the exact order outlined in the NS manual. - * This init procedure is "mandatory"...don't change what or when - * things happen. - */ - - /* Reset transmitter flags. */ - ifp->if_timer = 0; - - sc->txb_inuse = 0; - sc->txb_new = 0; - sc->txb_next_tx = 0; - - /* Set interface for page 0, remote DMA complete, stopped. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - sc->cr_proto | ED_CR_PAGE_0 | ED_CR_STP); - - if (sc->isa16bit) { - /* - * Set FIFO threshold to 8, No auto-init Remote DMA, byte - * order=80x86, word-wide DMA xfers, - */ - NIC_PUT(iot, ioh, nicbase, ED_P0_DCR, - ED_DCR_FT1 | ED_DCR_WTS | ED_DCR_LS); - } else { - /* Same as above, but byte-wide DMA xfers. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_DCR, ED_DCR_FT1 | ED_DCR_LS); - } - - /* Clear remote byte count registers. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_RBCR0, 0); - NIC_PUT(iot, ioh, nicbase, ED_P0_RBCR1, 0); - - /* Tell RCR to do nothing for now. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_RCR, ED_RCR_MON); - - /* Place NIC in internal loopback mode. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_TCR, ED_TCR_LB0); - - /* Set lower bits of byte addressable framing to 0. */ - if (sc->is790) - NIC_PUT(iot, ioh, nicbase, 0x09, 0); - - /* Initialize receive buffer ring. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_BNRY, sc->rec_page_start); - NIC_PUT(iot, ioh, nicbase, ED_P0_PSTART, sc->rec_page_start); - NIC_PUT(iot, ioh, nicbase, ED_P0_PSTOP, sc->rec_page_stop); - - /* - * Clear all interrupts. A '1' in each bit position clears the - * corresponding flag. - */ - NIC_PUT(iot, ioh, nicbase, ED_P0_ISR, 0xff); - - /* - * Enable the following interrupts: receive/transmit complete, - * receive/transmit error, and Receiver OverWrite. - * - * Counter overflow and Remote DMA complete are *not* enabled. - */ - NIC_PUT(iot, ioh, nicbase, ED_P0_IMR, - ED_IMR_PRXE | ED_IMR_PTXE | ED_IMR_RXEE | ED_IMR_TXEE | - ED_IMR_OVWE); - - /* Program command register for page 1. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - sc->cr_proto | ED_CR_PAGE_1 | ED_CR_STP); - - /* Copy out our station address. */ - for (i = 0; i < ETHER_ADDR_LEN; ++i) - NIC_PUT(iot, ioh, nicbase, ED_P1_PAR0 + i, - sc->sc_arpcom.ac_enaddr[i]); - - /* Set multicast filter on chip. */ - isaed_getmcaf(&sc->sc_arpcom, mcaf); - for (i = 0; i < 8; i++) - NIC_PUT(iot, ioh, nicbase, ED_P1_MAR0 + i, - ((u_char *)mcaf)[i]); - - /* - * Set current page pointer to one page after the boundary pointer, as - * recommended in the National manual. - */ - sc->next_packet = sc->rec_page_start + 1; - NIC_PUT(iot, ioh, nicbase, ED_P1_CURR, sc->next_packet); - - /* Program command register for page 0. */ - NIC_PUT(iot, ioh, nicbase, ED_P1_CR, - sc->cr_proto | ED_CR_PAGE_0 | ED_CR_STP); - - i = ED_RCR_AB | ED_RCR_AM; - if (ifp->if_flags & IFF_PROMISC) { - /* - * Set promiscuous mode. Multicast filter was set earlier so - * that we should receive all multicast packets. - */ - i |= ED_RCR_PRO | ED_RCR_AR | ED_RCR_SEP; - } - NIC_PUT(iot, ioh, nicbase, ED_P0_RCR, i); - - /* Take interface out of loopback. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_TCR, 0); - - /* - * If this is a 3Com board, the tranceiver must be software enabled - * (there is no settable hardware default). - */ - switch (sc->vendor) { - u_char x; - case ED_VENDOR_3COM: - if (ifp->if_flags & IFF_LINK0) - bus_space_write_1(iot, ioh, asicbase + ED_3COM_CR, 0); - else - bus_space_write_1(iot, ioh, asicbase + ED_3COM_CR, - ED_3COM_CR_XSEL); - break; - case ED_VENDOR_WD_SMC: - if ((sc->type & ED_WD_SOFTCONFIG) == 0) - break; - x = bus_space_read_1(iot, ioh, asicbase + ED_WD_IRR); - if (ifp->if_flags & IFF_LINK0) - x &= ~ED_WD_IRR_OUT2; - else - x |= ED_WD_IRR_OUT2; - bus_space_write_1(iot, ioh, asicbase + ED_WD_IRR, x); - break; - } - - /* Fire up the interface. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - sc->cr_proto | ED_CR_PAGE_0 | ED_CR_STA); - - /* Set 'running' flag, and clear output active flag. */ - ifp->if_flags |= IFF_RUNNING; - ifp->if_flags &= ~IFF_OACTIVE; - - /* ...and attempt to start output. */ - edstart(ifp); -} - -/* - * This routine actually starts the transmission on the interface. - */ -static inline void -ed_xmit(sc) - struct ed_softc *sc; -{ - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - int nicbase = sc->nic_base; - u_short len; - - len = sc->txb_len[sc->txb_next_tx]; - - /* Set NIC for page 0 register access. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - sc->cr_proto | ED_CR_PAGE_0 | ED_CR_STA); - - /* Set TX buffer start page. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_TPSR, sc->tx_page_start + - sc->txb_next_tx * ED_TXBUF_SIZE); - - /* Set TX length. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_TBCR0, len); - NIC_PUT(iot, ioh, nicbase, ED_P0_TBCR1, len >> 8); - - /* Set page 0, remote DMA complete, transmit packet, and *start*. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - sc->cr_proto | ED_CR_PAGE_0 | ED_CR_TXP | ED_CR_STA); - - /* Point to next transmit buffer slot and wrap if necessary. */ - sc->txb_next_tx++; - if (sc->txb_next_tx == sc->txb_cnt) - sc->txb_next_tx = 0; - - /* Set a timer just in case we never hear from the board again. */ - ifp->if_timer = 2; -} - -/* - * Start output on interface. - * We make two assumptions here: - * 1) that the current priority is set to splnet _before_ this code - * is called *and* is returned to the appropriate priority after - * return - * 2) that the IFF_OACTIVE flag is checked before this code is called - * (i.e. that the output part of the interface is idle) - */ -void -edstart(ifp) - struct ifnet *ifp; -{ - struct ed_softc *sc = ifp->if_softc; - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - struct mbuf *m0, *m; - int buffer; - int asicbase = sc->asic_base; - int len; - - if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) - return; - -outloop: - /* See if there is room to put another packet in the buffer. */ - if (sc->txb_inuse == sc->txb_cnt) { - /* No room. Indicate this to the outside world and exit. */ - ifp->if_flags |= IFF_OACTIVE; - return; - } - - IF_DEQUEUE(&ifp->if_snd, m0); - if (m0 == 0) - return; - - /* We need to use m->m_pkthdr.len, so require the header */ - if ((m0->m_flags & M_PKTHDR) == 0) - panic("edstart: no header mbuf"); - -#if NBPFILTER > 0 - /* Tap off here if there is a BPF listener. */ - if (ifp->if_bpf) - bpf_mtap(ifp->if_bpf, m0); -#endif - - /* txb_new points to next open buffer slot. */ - buffer = sc->mem_start + - ((sc->txb_new * ED_TXBUF_SIZE) << ED_PAGE_SHIFT); - - if (sc->mem_shared) { - /* Special case setup for 16 bit boards... */ - switch (sc->vendor) { - /* - * For 16bit 3Com boards (which have 16k of memory), we - * have the xmit buffers in a different page of memory - * ('page 0') - so change pages. - */ - case ED_VENDOR_3COM: - if (sc->isa16bit) - bus_space_write_1(iot, ioh, - asicbase + ED_3COM_GACFR, - ED_3COM_GACFR_RSEL); - break; - /* - * Enable 16bit access to shared memory on WD/SMC - * boards. - */ - case ED_VENDOR_WD_SMC: - if (sc->isa16bit) - bus_space_write_1(iot, ioh, asicbase + ED_WD_LAAR, - sc->wd_laar_proto | ED_WD_LAAR_M16EN); - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR, - sc->wd_msr_proto | ED_WD_MSR_MENB); - (void) bus_space_read_1(iot, sc->sc_delaybah, 0); - (void) bus_space_read_1(iot, sc->sc_delaybah, 0); - break; - } - - for (m = m0; m != 0; m = m->m_next) { - ed_shared_writemem(sc, mtod(m, caddr_t), buffer, - m->m_len); - buffer += m->m_len; - } - len = m0->m_pkthdr.len; - - /* Restore previous shared memory access. */ - switch (sc->vendor) { - case ED_VENDOR_3COM: - if (sc->isa16bit) - bus_space_write_1(iot, ioh, - asicbase + ED_3COM_GACFR, - ED_3COM_GACFR_RSEL | ED_3COM_GACFR_MBS0); - break; - case ED_VENDOR_WD_SMC: - bus_space_write_1(iot, ioh, asicbase + ED_WD_MSR, - sc->wd_msr_proto); - if (sc->isa16bit) - bus_space_write_1(iot, ioh, asicbase + ED_WD_LAAR, - sc->wd_laar_proto); - (void) bus_space_read_1(iot, sc->sc_delaybah, 0); - (void) bus_space_read_1(iot, sc->sc_delaybah, 0); - break; - } - } else - len = ed_pio_write_mbufs(sc, m0, (long)buffer); - - m_freem(m0); - sc->txb_len[sc->txb_new] = max(len, ETHER_MIN_LEN); - - /* Start the first packet transmitting. */ - if (sc->txb_inuse == 0) - ed_xmit(sc); - - /* Point to next buffer slot and wrap if necessary. */ - if (++sc->txb_new == sc->txb_cnt) - sc->txb_new = 0; - sc->txb_inuse++; - - /* Loop back to the top to possibly buffer more packets. */ - goto outloop; -} - -/* - * Ethernet interface receiver interrupt. - */ -static inline void -ed_rint(sc) - struct ed_softc *sc; -{ - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - int nicbase = sc->nic_base; - u_int8_t boundary, current; - u_int16_t len; - u_int8_t nlen; - u_int8_t next_packet; /* pointer to next packet */ - u_int16_t count; /* bytes in packet (length + 4) */ - u_int8_t packet_hdr[ED_RING_HDRSZ]; - int packet_ptr; - -loop: - /* Set NIC to page 1 registers to get 'current' pointer. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - sc->cr_proto | ED_CR_PAGE_1 | ED_CR_STA); - - /* - * 'sc->next_packet' is the logical beginning of the ring-buffer - i.e. - * it points to where new data has been buffered. The 'CURR' (current) - * register points to the logical end of the ring-buffer - i.e. it - * points to where additional new data will be added. We loop here - * until the logical beginning equals the logical end (or in other - * words, until the ring-buffer is empty). - */ - current = NIC_GET(iot, ioh, nicbase, ED_P1_CURR); - if (sc->next_packet == current) - return; - - /* Set NIC to page 0 registers to update boundary register. */ - NIC_PUT(iot, ioh, nicbase, ED_P1_CR, - sc->cr_proto | ED_CR_PAGE_0 | ED_CR_STA); - - do { - /* Get pointer to this buffer's header structure. */ - packet_ptr = sc->mem_ring + - ((sc->next_packet - sc->rec_page_start) << ED_PAGE_SHIFT); - - /* - * The byte count includes a 4 byte header that was added by - * the NIC. - */ - if (sc->mem_shared) - ed_shared_readmem(sc, packet_ptr, packet_hdr, - sizeof(packet_hdr)); - else - ed_pio_readmem(sc, (long)packet_ptr, packet_hdr, - sizeof(packet_hdr)); - next_packet = packet_hdr[ED_RING_NEXT_PACKET]; - len = count = packet_hdr[ED_RING_COUNT] + - 256 * packet_hdr[ED_RING_COUNT + 1]; - - /* - * Try do deal with old, buggy chips that sometimes duplicate - * the low byte of the length into the high byte. We do this - * by simply ignoring the high byte of the length and always - * recalculating it. - * - * NOTE: sc->next_packet is pointing at the current packet. - */ - if (next_packet >= sc->next_packet) - nlen = (next_packet - sc->next_packet); - else - nlen = ((next_packet - sc->rec_page_start) + - (sc->rec_page_stop - sc->next_packet)); - --nlen; - if ((len & ED_PAGE_MASK) + sizeof(packet_hdr) > ED_PAGE_SIZE) - --nlen; - len = (len & ED_PAGE_MASK) | (nlen << ED_PAGE_SHIFT); -#ifdef DIAGNOSTIC - if (len != count) { - printf("%s: length does not match next packet pointer\n", - sc->sc_dev.dv_xname); - printf("%s: len %04x nlen %04x start %02x first %02x curr %02x next %02x stop %02x\n", - sc->sc_dev.dv_xname, count, len, - sc->rec_page_start, sc->next_packet, current, - next_packet, sc->rec_page_stop); - } -#endif - - /* - * Be fairly liberal about what we allow as a "reasonable" - * length so that a [crufty] packet will make it to BPF (and - * can thus be analyzed). Note that all that is really - * important is that we have a length that will fit into one - * mbuf cluster or less; the upper layer protocols can then - * figure out the length from their own length field(s). - */ - if (len <= MCLBYTES && - next_packet >= sc->rec_page_start && - next_packet < sc->rec_page_stop) { - /* Go get packet. */ - edread(sc, packet_ptr + ED_RING_HDRSZ, - len - ED_RING_HDRSZ); - } else { - /* Really BAD. The ring pointers are corrupted. */ - log(LOG_ERR, - "%s: NIC memory corrupt - invalid packet length %d\n", - sc->sc_dev.dv_xname, len); - ++sc->sc_arpcom.ac_if.if_ierrors; - edreset(sc); - return; - } - - /* Update next packet pointer. */ - sc->next_packet = next_packet; - - /* - * Update NIC boundary pointer - being careful to keep it one - * buffer behind (as recommended by NS databook). - */ - boundary = sc->next_packet - 1; - if (boundary < sc->rec_page_start) - boundary = sc->rec_page_stop - 1; - NIC_PUT(iot, ioh, nicbase, ED_P0_BNRY, boundary); - } while (sc->next_packet != current); - - goto loop; -} - -/* Ethernet interface interrupt processor. */ -int -isaedintr(arg) - void *arg; -{ - struct ed_softc *sc = arg; - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - int nicbase = sc->nic_base, asicbase = sc->asic_base; - u_char isr; - - /* Set NIC to page 0 registers. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - sc->cr_proto | ED_CR_PAGE_0 | ED_CR_STA); - - isr = NIC_GET(iot, ioh, nicbase, ED_P0_ISR); - if (!isr) - return (0); - - /* Loop until there are no more new interrupts. */ - for (;;) { - /* - * Reset all the bits that we are 'acknowledging' by writing a - * '1' to each bit position that was set. - * (Writing a '1' *clears* the bit.) - */ - NIC_PUT(iot, ioh, nicbase, ED_P0_ISR, isr); - - /* - * Handle transmitter interrupts. Handle these first because - * the receiver will reset the board under some conditions. - */ - if (isr & (ED_ISR_PTX | ED_ISR_TXE)) { - u_char collisions = NIC_GET(iot, ioh, nicbase, - ED_P0_NCR) & 0x0f; - - /* - * Check for transmit error. If a TX completed with an - * error, we end up throwing the packet away. Really - * the only error that is possible is excessive - * collisions, and in this case it is best to allow the - * automatic mechanisms of TCP to backoff the flow. Of - * course, with UDP we're screwed, but this is expected - * when a network is heavily loaded. - */ - (void) NIC_GET(iot, ioh, nicbase, ED_P0_TSR); - if (isr & ED_ISR_TXE) { - /* - * Excessive collisions (16). - */ - if ((NIC_GET(iot, ioh, nicbase, ED_P0_TSR) & - ED_TSR_ABT) && (collisions == 0)) { - /* - * When collisions total 16, the P0_NCR - * will indicate 0, and the TSR_ABT is - * set. - */ - collisions = 16; - } - - /* Update output errors counter. */ - ++ifp->if_oerrors; - } else { - /* - * Update total number of successfully - * transmitted packets. - */ - ++ifp->if_opackets; - } - - /* Done with the buffer. */ - sc->txb_inuse--; - - /* Clear watchdog timer. */ - ifp->if_timer = 0; - ifp->if_flags &= ~IFF_OACTIVE; - - /* - * Add in total number of collisions on last - * transmission. - */ - ifp->if_collisions += collisions; - - /* - * Decrement buffer in-use count if not zero (can only - * be zero if a transmitter interrupt occured while not - * actually transmitting). - * If data is ready to transmit, start it transmitting, - * otherwise defer until after handling receiver. - */ - if (sc->txb_inuse > 0) - ed_xmit(sc); - } - - /* Handle receiver interrupts. */ - if (isr & (ED_ISR_PRX | ED_ISR_RXE | ED_ISR_OVW)) { - /* - * Overwrite warning. In order to make sure that a - * lockup of the local DMA hasn't occurred, we reset - * and re-init the NIC. The NSC manual suggests only a - * partial reset/re-init is necessary - but some chips - * seem to want more. The DMA lockup has been seen - * only with early rev chips - Methinks this bug was - * fixed in later revs. -DG - */ - if (isr & ED_ISR_OVW) { - ++ifp->if_ierrors; -#ifdef DIAGNOSTIC - log(LOG_WARNING, - "%s: warning - receiver ring buffer overrun\n", - sc->sc_dev.dv_xname); -#endif - /* Stop/reset/re-init NIC. */ - edreset(sc); - } else { - /* - * Receiver Error. One or more of: CRC error, - * frame alignment error FIFO overrun, or - * missed packet. - */ - if (isr & ED_ISR_RXE) { - ++ifp->if_ierrors; -#ifdef ED_DEBUG - printf("%s: receive error %x\n", - sc->sc_dev.dv_xname, - NIC_GET(nicbase, ED_P0_RSR)); -#endif - } - - /* - * Go get the packet(s). - * XXX - Doing this on an error is dubious - * because there shouldn't be any data to get - * (we've configured the interface to not - * accept packets with errors). - */ - - /* - * Enable 16bit access to shared memory first - * on WD/SMC boards. - */ - if (sc->vendor == ED_VENDOR_WD_SMC) { - if (sc->isa16bit) - bus_space_write_1(iot, ioh, - asicbase + ED_WD_LAAR, - sc->wd_laar_proto | - ED_WD_LAAR_M16EN); - bus_space_write_1(iot, ioh, - asicbase + ED_WD_MSR, - sc->wd_msr_proto | ED_WD_MSR_MENB); - (void) bus_space_read_1(iot, - sc->sc_delaybah, 0); - (void) bus_space_read_1(iot, - sc->sc_delaybah, 0); - } - - ed_rint(sc); - - /* Disable 16-bit access. */ - if (sc->vendor == ED_VENDOR_WD_SMC) { - bus_space_write_1(iot, ioh, - asicbase + ED_WD_MSR, - sc->wd_msr_proto); - if (sc->isa16bit) - bus_space_write_1(iot, ioh, - asicbase + ED_WD_LAAR, - sc->wd_laar_proto); - (void) bus_space_read_1(iot, - sc->sc_delaybah, 0); - (void) bus_space_read_1(iot, - sc->sc_delaybah, 0); - } - } - } - - /* - * If it looks like the transmitter can take more data, attempt - * to start output on the interface. This is done after - * handling the receiver to give the receiver priority. - */ - edstart(ifp); - - /* - * Return NIC CR to standard state: page 0, remote DMA - * complete, start (toggling the TXP bit off, even if was just - * set in the transmit routine, is *okay* - it is 'edge' - * triggered from low to high). - */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - sc->cr_proto | ED_CR_PAGE_0 | ED_CR_STA); - - /* - * If the Network Talley Counters overflow, read them to reset - * them. It appears that old 8390's won't clear the ISR flag - * otherwise - resulting in an infinite loop. - */ - if (isr & ED_ISR_CNT) { - (void) NIC_GET(iot, ioh, nicbase, ED_P0_CNTR0); - (void) NIC_GET(iot, ioh, nicbase, ED_P0_CNTR1); - (void) NIC_GET(iot, ioh, nicbase, ED_P0_CNTR2); - } - - isr = NIC_GET(iot, ioh, nicbase, ED_P0_ISR); - if (!isr) - return (1); - } -} - -/* - * Process an ioctl request. This code needs some work - it looks pretty ugly. - */ -int -edioctl(ifp, cmd, data) - register struct ifnet *ifp; - u_long cmd; - caddr_t data; -{ - struct ed_softc *sc = ifp->if_softc; - register struct ifaddr *ifa = (struct ifaddr *)data; - struct ifreq *ifr = (struct ifreq *)data; - int s, error = 0; - - s = splnet(); - if ((sc->spec_flags & ED_NOTPRESENT) != 0) { - if_down(ifp); - printf("%s: device offline\n", sc->sc_dev.dv_xname); - splx(s); - return ENXIO; /* may be ignored, oh well. */ - } - - if ((error = ether_ioctl(ifp, &sc->sc_arpcom, cmd, data)) > 0) { - splx(s); - return error; - } - - switch (cmd) { - - case SIOCSIFADDR: - ifp->if_flags |= IFF_UP; - - switch (ifa->ifa_addr->sa_family) { -#ifdef INET - case AF_INET: - edinit(sc); - arp_ifinit(&sc->sc_arpcom, ifa); - break; -#endif - default: - edinit(sc); - break; - } - break; - - case SIOCSIFFLAGS: - if ((ifp->if_flags & IFF_UP) == 0 && - (ifp->if_flags & IFF_RUNNING) != 0) { - /* - * If interface is marked down and it is running, then - * stop it. - */ - edstop(sc); - ifp->if_flags &= ~IFF_RUNNING; - } else if ((ifp->if_flags & IFF_UP) != 0 && - (ifp->if_flags & IFF_RUNNING) == 0) { - /* - * If interface is marked up and it is stopped, then - * start it. - */ - edinit(sc); - } else { - /* - * Reset the interface to pick up changes in any other - * flags that affect hardware registers. - */ - edstop(sc); - edinit(sc); - } - break; - - case SIOCADDMULTI: - case SIOCDELMULTI: - /* Update our multicast list. */ - error = (cmd == SIOCADDMULTI) ? - ether_addmulti(ifr, &sc->sc_arpcom) : - ether_delmulti(ifr, &sc->sc_arpcom); - - if (error == ENETRESET) { - /* - * Multicast list has changed; set the hardware filter - * accordingly. - */ - edstop(sc); /* XXX for ds_setmcaf? */ - edinit(sc); - error = 0; - } - break; - - default: - error = EINVAL; - break; - } - - splx(s); - return (error); -} - -/* - * Retreive packet from shared memory and send to the next level up via - * ether_input(). If there is a BPF listener, give a copy to BPF, too. - */ -void -edread(sc, buf, len) - struct ed_softc *sc; - int buf, len; -{ - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - struct mbuf *m; - struct ether_header *eh; - - /* Pull packet off interface. */ - m = edget(sc, buf, len); - if (m == 0) { - ifp->if_ierrors++; - return; - } - - ifp->if_ipackets++; - - /* We assume that the header fit entirely in one mbuf. */ - eh = mtod(m, struct ether_header *); - -#if NBPFILTER > 0 - /* - * Check if there's a BPF listener on this interface. - * If so, hand off the raw packet to BPF. - */ - if (ifp->if_bpf) { - bpf_mtap(ifp->if_bpf, m); - - /* - * Note that the interface cannot be in promiscuous mode if - * there are no BPF listeners. And if we are in promiscuous - * mode, we have to check if this packet is really ours. - */ - if ((ifp->if_flags & IFF_PROMISC) && - (eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */ - bcmp(eh->ether_dhost, sc->sc_arpcom.ac_enaddr, - sizeof(eh->ether_dhost)) != 0) { - m_freem(m); - return; - } - } -#endif - - /* We assume that the header fit entirely in one mbuf. */ - m_adj(m, sizeof(struct ether_header)); - ether_input(ifp, eh, m); -} - -/* - * Supporting routines. - */ - -/* - * Given a NIC memory source address and a host memory destination address, - * copy 'amount' from NIC to host using Programmed I/O. The 'amount' is - * rounded up to a word - okay as long as mbufs are word sized. - * This routine is currently Novell-specific. - */ -void -ed_pio_readmem(sc, src, dst, amount) - struct ed_softc *sc; - u_short src; - caddr_t dst; - u_short amount; -{ - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - int nicbase = sc->nic_base; - - /* Select page 0 registers. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); - - /* Round up to a word. */ - if (amount & 1) - ++amount; - - /* Set up DMA byte count. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_RBCR0, amount); - NIC_PUT(iot, ioh, nicbase, ED_P0_RBCR1, amount >> 8); - - /* Set up source address in NIC mem. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_RSAR0, src); - NIC_PUT(iot, ioh, nicbase, ED_P0_RSAR1, src >> 8); - - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - ED_CR_RD0 | ED_CR_PAGE_0 | ED_CR_STA); - - if (sc->isa16bit) - bus_space_read_raw_multi_2(iot, ioh, - sc->asic_base + ED_NOVELL_DATA, dst, amount); - else - bus_space_read_multi_1(iot, ioh, - sc->asic_base + ED_NOVELL_DATA, dst, amount); -} - -/* - * Stripped down routine for writing a linear buffer to NIC memory. Only used - * in the probe routine to test the memory. 'len' must be even. - */ -void -ed_pio_writemem(sc, src, dst, len) - struct ed_softc *sc; - caddr_t src; - u_short dst; - u_short len; -{ - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - int nicbase = sc->nic_base; - int maxwait = 100; /* about 120us */ - - /* Select page 0 registers. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); - - /* Reset remote DMA complete flag. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_ISR, ED_ISR_RDC); - - /* Set up DMA byte count. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_RBCR0, len); - NIC_PUT(iot, ioh, nicbase, ED_P0_RBCR1, len >> 8); - - /* Set up destination address in NIC mem. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_RSAR0, dst); - NIC_PUT(iot, ioh, nicbase, ED_P0_RSAR1, dst >> 8); - - /* Set remote DMA write. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - ED_CR_RD1 | ED_CR_PAGE_0 | ED_CR_STA); - - if (sc->isa16bit) - bus_space_write_raw_multi_2(iot, ioh, - sc->asic_base + ED_NOVELL_DATA, src, len); - else - bus_space_write_multi_1(iot, ioh, - sc->asic_base + ED_NOVELL_DATA, src, len); - - /* - * Wait for remote DMA complete. This is necessary because on the - * transmit side, data is handled internally by the NIC in bursts and - * we can't start another remote DMA until this one completes. Not - * waiting causes really bad things to happen - like the NIC - * irrecoverably jamming the ISA bus. - */ - while (((NIC_GET(iot, ioh, nicbase, ED_P0_ISR) & ED_ISR_RDC) != - ED_ISR_RDC) && --maxwait); -} - -/* - * Write an mbuf chain to the destination NIC memory address using programmed - * I/O. - */ -u_short -ed_pio_write_mbufs(sc, m, dst) - struct ed_softc *sc; - struct mbuf *m; - u_short dst; -{ - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - int nicbase = sc->nic_base, asicbase = sc->asic_base; - u_short len; - int maxwait = 100; /* about 120us */ - - len = m->m_pkthdr.len; - - /* Select page 0 registers. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); - - /* Reset remote DMA complete flag. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_ISR, ED_ISR_RDC); - - /* Set up DMA byte count. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_RBCR0, len); - NIC_PUT(iot, ioh, nicbase, ED_P0_RBCR1, len >> 8); - - /* Set up destination address in NIC mem. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_RSAR0, dst); - NIC_PUT(iot, ioh, nicbase, ED_P0_RSAR1, dst >> 8); - - /* Set remote DMA write. */ - NIC_PUT(iot, ioh, nicbase, ED_P0_CR, - ED_CR_RD1 | ED_CR_PAGE_0 | ED_CR_STA); - - /* - * Transfer the mbuf chain to the NIC memory. - * 16-bit cards require that data be transferred as words, and only - * words, so that case requires some extra code to patch over - * odd-length mbufs. - */ - if (!sc->isa16bit) { - /* NE1000s are easy. */ - for (; m != 0; m = m->m_next) { - if (m->m_len) { - bus_space_write_multi_1(iot, ioh, - asicbase + ED_NOVELL_DATA, - mtod(m, u_char *), m->m_len); - } - } - } else { - /* NE2000s are a bit trickier. */ - u_int8_t *data, savebyte[2]; - int len, wantbyte; - - wantbyte = 0; - for (; m != 0; m = m->m_next) { - len = m->m_len; - if (len == 0) - continue; - data = mtod(m, u_int8_t *); - /* Finish the last word. */ - if (wantbyte) { - savebyte[1] = *data; - bus_space_write_raw_multi_2(iot, ioh, - asicbase + ED_NOVELL_DATA, savebyte, 2); - data++; - len--; - wantbyte = 0; - } - /* Output contiguous words. */ - if (len > 1) { - bus_space_write_raw_multi_2(iot, ioh, - asicbase + ED_NOVELL_DATA, data, len & ~1); - } - /* Save last byte, if necessary. */ - if (len & 1) { - data += len & ~1; - savebyte[0] = *data; - wantbyte = 1; - } - } - - if (wantbyte) { - savebyte[1] = 0; - bus_space_write_raw_multi_2(iot, ioh, - asicbase + ED_NOVELL_DATA, savebyte, 2); - } - } - - /* - * Wait for remote DMA complete. This is necessary because on the - * transmit side, data is handled internally by the NIC in bursts and - * we can't start another remote DMA until this one completes. Not - * waiting causes really bad things to happen - like the NIC - * irrecoverably jamming the ISA bus. - */ - while (((NIC_GET(iot, ioh, nicbase, ED_P0_ISR) & ED_ISR_RDC) != - ED_ISR_RDC) && --maxwait); - - if (!maxwait) { - log(LOG_WARNING, - "%s: remote transmit DMA failed to complete\n", - sc->sc_dev.dv_xname); - edreset(sc); - } - - return (len); -} - -/* - * Given a source and destination address, copy 'amount' of a packet from the - * ring buffer into a linear destination buffer. Takes into account ring-wrap. - */ -static inline int -ed_ring_copy(sc, src, dst, amount) - struct ed_softc *sc; - int src; - caddr_t dst; - u_short amount; -{ - u_short tmp_amount; - - /* Does copy wrap to lower addr in ring buffer? */ - if (src + amount > sc->mem_end) { - tmp_amount = sc->mem_end - src; - - /* Copy amount up to end of NIC memory. */ - if (sc->mem_shared) - ed_shared_readmem(sc, src, dst, tmp_amount); - else - ed_pio_readmem(sc, (long)src, dst, tmp_amount); - - amount -= tmp_amount; - src = sc->mem_ring; - dst += tmp_amount; - } - - if (sc->mem_shared) - ed_shared_readmem(sc, src, dst, amount); - else - ed_pio_readmem(sc, (long)src, dst, amount); - - return (src + amount); -} - -/* - * Copy data from receive buffer to end of mbuf chain allocate additional mbufs - * as needed. Return pointer to last mbuf in chain. - * sc = ed info (softc) - * src = pointer in ed ring buffer - * totlen = maximum packet size - */ -struct mbuf * -edget(sc, src, totlen) - struct ed_softc *sc; - int src; - int totlen; -{ - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - struct mbuf *top, **mp, *m; - int len, pad; - - MGETHDR(m, M_DONTWAIT, MT_DATA); - if (m == 0) - return 0; - - m->m_pkthdr.rcvif = ifp; - m->m_pkthdr.len = totlen; - pad = ALIGN(sizeof(struct ether_header)) - sizeof(struct ether_header); - m->m_data += pad; - len = MHLEN - pad; - top = 0; - mp = ⊤ - - while (totlen > 0) { - if (top) { - MGET(m, M_DONTWAIT, MT_DATA); - if (m == 0) { - m_freem(top); - return 0; - } - len = MLEN; - } - if (top && totlen >= MINCLSIZE) { - MCLGET(m, M_DONTWAIT); - if (m->m_flags & M_EXT) - len = MCLBYTES; - } - m->m_len = len = min(totlen, len); - src = ed_ring_copy(sc, src, mtod(m, caddr_t), len); - totlen -= len; - *mp = m; - mp = &m->m_next; - } - - return top; -} - -/* - * Compute the multicast address filter from the list of multicast addresses we - * need to listen to. - */ -void -isaed_getmcaf(ac, af) - struct arpcom *ac; - u_int32_t *af; -{ - struct ifnet *ifp = &ac->ac_if; - struct ether_multi *enm; - register u_char *cp, c; - register u_int32_t crc; - register int i, len; - struct ether_multistep step; - - /* - * Set up multicast address filter by passing all multicast addresses - * through a crc generator, and then using the high order 6 bits as an - * index into the 64 bit logical address filter. The high order bit - * selects the word, while the rest of the bits select the bit within - * the word. - */ - - if (ifp->if_flags & IFF_PROMISC) { - ifp->if_flags |= IFF_ALLMULTI; - af[0] = af[1] = 0xffffffff; - return; - } - - af[0] = af[1] = 0; - ETHER_FIRST_MULTI(step, ac, enm); - while (enm != NULL) { - if (bcmp(enm->enm_addrlo, enm->enm_addrhi, - sizeof(enm->enm_addrlo)) != 0) { - /* - * We must listen to a range of multicast addresses. - * For now, just accept all multicasts, rather than - * trying to set only those filter bits needed to match - * the range. (At this time, the only use of address - * ranges is for IP multicast routing, for which the - * range is big enough to require all bits set.) - */ - ifp->if_flags |= IFF_ALLMULTI; - af[0] = af[1] = 0xffffffff; - return; - } - - cp = enm->enm_addrlo; - crc = 0xffffffff; - for (len = sizeof(enm->enm_addrlo); --len >= 0;) { - c = *cp++; - for (i = 8; --i >= 0;) { - if (((crc & 0x80000000) ? 1 : 0) - ^ (c & 0x01)) { - crc <<= 1; - crc ^= 0x04c11db6 | 1; - } else - crc <<= 1; - c >>= 1; - } - } - /* Just want the 6 most significant bits. */ - crc >>= 26; - - /* Turn on the corresponding bit in the filter. */ - af[crc >> 5] |= 1 << ((crc & 0x1f) ^ 0); - - ETHER_NEXT_MULTI(step, enm); - } - ifp->if_flags &= ~IFF_ALLMULTI; -} - -void -ed_shared_writemem(sc, from, card, len) - struct ed_softc *sc; - caddr_t from; - int card, len; -{ - bus_space_tag_t memt = sc->sc_memt; - bus_space_handle_t memh = sc->sc_memh; - u_int16_t word; - - /* - * For 16-bit cards, 16-bit memory access has already - * been set up. Note that some cards are really picky - * about enforcing 16-bit access to memory, so we - * have to be careful. - */ - if (sc->isa16bit) { - while (len > 1) { - word = (u_int8_t)from[0] | (u_int8_t)from[1] << 8; - bus_space_write_2(memt, memh, card, word); - from += 2; - card += 2; - len -= 2; - } - if (len == 1) { - word = *from; - bus_space_write_2(memt, memh, card, word); - } - } else { - while (len--) - bus_space_write_1(memt, memh, card++, *from++); - } -} - -void -ed_shared_readmem(sc, card, to, len) - struct ed_softc *sc; - caddr_t to; - int card, len; -{ - bus_space_tag_t memt = sc->sc_memt; - bus_space_handle_t memh = sc->sc_memh; - u_int16_t word; - - /* - * See comment above re. 16-bit cards. - */ - if (sc->isa16bit) { - /* XXX I think maybe a bus_space_read_raw_region is needed. */ - while (len > 1) { - word = bus_space_read_2(memt, memh, card); - *to++ = word & 0xff; - *to++ = word >> 8 & 0xff; - card += 2; - len -= 2; - } - if (len == 1) - *to = bus_space_read_2(memt, memh, card) & 0xff; - } else { - while (len--) - *to++ = bus_space_read_1(memt, memh, card++); - } -} |