Split out the ISA bus front end code into its own file. PCCARD attachment
coming later this week. Mitsuru IWASAKI provided a patch to -mobile which I used to make sure I was doing the right thing but only a small part of the actual patch was used.
This commit is contained in:
Matthew N. Dodd
parent
4eaed34ba0
commit
68c68f014d
@ -129,7 +129,8 @@ dev/ep/if_ep_eisa.c optional ep eisa
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dev/ep/if_ep_isa.c optional ep isa
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dev/ep/if_ep_mca.c optional ep mca
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dev/ep/if_ep_pccard.c optional ep card
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dev/ex/if_ex.c optional ex isa
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dev/ex/if_ex.c optional ex
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dev/ex/if_ex_isa.c optional ex isa
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dev/hea/eni.c optional hea
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dev/hea/eni_buffer.c optional hea
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dev/hea/eni_globals.c optional hea
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@ -69,6 +69,7 @@
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#include <isa/pnpvar.h>
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#include <dev/ex/if_exreg.h>
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#include <dev/ex/if_exvar.h>
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#ifdef EXDEBUG
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# define Start_End 1
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@ -82,59 +83,16 @@ static int exintr_count = 0;
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# define DODEBUG(level, action)
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#endif
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#define CARD_TYPE_EX_10 1
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#define CARD_TYPE_EX_10_PLUS 2
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struct ex_softc {
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struct arpcom arpcom; /* Ethernet common data */
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struct ifmedia ifmedia;
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device_t dev;
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struct resource *ioport;
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struct resource *irq;
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u_int iobase; /* I/O base address. */
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u_short irq_no; /* IRQ number. */
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char * irq2ee; /* irq <-> internal */
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u_char * ee2irq; /* representation conversion */
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u_int mem_size; /* Total memory size, in bytes. */
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u_int rx_mem_size; /* Rx memory size (by default, */
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/* first 3/4 of total memory). */
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u_int rx_lower_limit; /* Lower and upper limits of */
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u_int rx_upper_limit; /* receive buffer. */
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u_int rx_head; /* Head of receive ring buffer. */
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u_int tx_mem_size; /* Tx memory size (by default, */
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/* last quarter of total memory).*/
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u_int tx_lower_limit; /* Lower and upper limits of */
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u_int tx_upper_limit; /* transmit buffer. */
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u_int tx_head; /* Head and tail of */
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u_int tx_tail; /* transmit ring buffer. */
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u_int tx_last; /* Pointer to beginning of last */
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/* frame in the chain. */
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};
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static char irq2eemap[] =
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char irq2eemap[] =
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{ -1, -1, 0, 1, -1, 2, -1, -1, -1, 0, 3, 4, -1, -1, -1, -1 };
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static u_char ee2irqmap[] =
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u_char ee2irqmap[] =
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{ 9, 3, 5, 10, 11, 0, 0, 0 };
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static char plus_irq2eemap[] =
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char plus_irq2eemap[] =
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{ -1, -1, -1, 0, 1, 2, -1, 3, -1, 4, 5, 6, 7, -1, -1, -1 };
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static u_char plus_ee2irqmap[] =
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u_char plus_ee2irqmap[] =
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{ 3, 4, 5, 7, 9, 10, 11, 12 };
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/* Bus Front End Functions */
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static void ex_isa_identify __P((driver_t *, device_t));
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static int ex_isa_probe __P((device_t));
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static int ex_isa_attach __P((device_t));
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/* Network Interface Functions */
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static void ex_init __P((void *));
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static void ex_start __P((struct ifnet *));
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@ -145,42 +103,16 @@ static void ex_watchdog __P((struct ifnet *));
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static int ex_ifmedia_upd __P((struct ifnet *));
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static void ex_ifmedia_sts __P((struct ifnet *, struct ifmediareq *));
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static int ex_get_media __P((u_int32_t iobase));
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static void ex_stop __P((struct ex_softc *));
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static void ex_reset __P((struct ex_softc *));
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static driver_intr_t ex_intr;
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static void ex_tx_intr __P((struct ex_softc *));
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static void ex_rx_intr __P((struct ex_softc *));
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static u_short eeprom_read __P((int, int));
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static device_method_t ex_methods[] = {
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/* Device interface */
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DEVMETHOD(device_identify, ex_isa_identify),
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DEVMETHOD(device_probe, ex_isa_probe),
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DEVMETHOD(device_attach, ex_isa_attach),
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{ 0, 0 }
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};
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static driver_t ex_driver = {
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"ex",
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ex_methods,
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sizeof(struct ex_softc),
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};
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static devclass_t ex_devclass;
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DRIVER_MODULE(ex, isa, ex_driver, ex_devclass, 0, 0);
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static struct isa_pnp_id ex_ids[] = {
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{ 0x3110d425, NULL }, /* INT1031 */
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{ 0x3010d425, NULL }, /* INT1030 */
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{ 0, NULL },
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};
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static int
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look_for_card (u_int iobase)
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int
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look_for_card (u_int32_t iobase)
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{
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int count1, count2;
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@ -197,24 +129,7 @@ look_for_card (u_int iobase)
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return((count2 & Counter_bits) == ((count1 + 0xc0) & Counter_bits));
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}
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static int
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ex_get_media (u_int32_t iobase)
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{
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int tmp;
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outb(iobase + CMD_REG, Bank2_Sel);
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tmp = inb(iobase + REG3);
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outb(iobase + CMD_REG, Bank0_Sel);
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if (tmp & TPE_bit)
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return(IFM_ETHER|IFM_10_T);
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if (tmp & BNC_bit)
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return(IFM_ETHER|IFM_10_2);
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return (IFM_ETHER|IFM_10_5);
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}
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static void
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void
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ex_get_address (u_int32_t iobase, u_char *enaddr)
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{
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u_int16_t eaddr_tmp;
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@ -232,7 +147,7 @@ ex_get_address (u_int32_t iobase, u_char *enaddr)
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return;
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}
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static int
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int
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ex_card_type (u_char *enaddr)
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{
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if ((enaddr[0] == 0x00) && (enaddr[1] == 0xA0) && (enaddr[2] == 0xC9))
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@ -242,207 +157,70 @@ ex_card_type (u_char *enaddr)
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}
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/*
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* Non-destructive identify.
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* Caller is responsible for eventually calling
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* ex_release_resources() on failure.
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*/
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static void
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ex_isa_identify (driver_t *driver, device_t parent)
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int
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ex_alloc_resources (device_t dev)
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{
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device_t child;
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u_int32_t ioport;
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u_char enaddr[6];
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u_int irq;
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int tmp;
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const char * desc;
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struct ex_softc * sc = device_get_softc(dev);
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int error = 0;
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if (bootverbose)
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printf("ex_isa_identify()\n");
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sc->ioport = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->ioport_rid,
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0, ~0, 1, RF_ACTIVE);
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if (!sc->ioport) {
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device_printf(dev, "No I/O space?!\n");
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error = ENOMEM;
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goto bad;
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}
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for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
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sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
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0, ~0, 1, RF_ACTIVE);
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/* No board found at address */
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if (!look_for_card(ioport)) {
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continue;
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}
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if (!sc->irq) {
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device_printf(dev, "No IRQ?!\n");
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error = ENOMEM;
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goto bad;
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}
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if (bootverbose)
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printf("ex: Found card at 0x%03x!\n", ioport);
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bad:
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return (error);
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}
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/* Board in PnP mode */
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if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
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/* Reset the card. */
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outb(ioport + CMD_REG, Reset_CMD);
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DELAY(500);
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if (bootverbose)
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printf("ex: card at 0x%03x in PnP mode!\n", ioport);
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continue;
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}
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void
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ex_release_resources (device_t dev)
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{
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struct ex_softc * sc = device_get_softc(dev);
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bzero(enaddr, sizeof(enaddr));
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if (sc->ih) {
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bus_teardown_intr(dev, sc->irq, sc->ih);
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sc->ih = NULL;
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}
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/* Reset the card. */
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outb(ioport + CMD_REG, Reset_CMD);
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DELAY(400);
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if (sc->ioport) {
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bus_release_resource(dev, SYS_RES_IOPORT,
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sc->ioport_rid, sc->ioport);
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sc->ioport = NULL;
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}
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ex_get_address(ioport, enaddr);
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tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
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/* work out which set of irq <-> internal tables to use */
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if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
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irq = plus_ee2irqmap[tmp];
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desc = "Intel Pro/10+";
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} else {
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irq = ee2irqmap[tmp];
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desc = "Intel Pro/10";
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}
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child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
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device_set_desc_copy(child, desc);
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device_set_driver(child, driver);
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bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
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bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
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if (bootverbose)
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printf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
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if (sc->irq) {
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bus_release_resource(dev, SYS_RES_IRQ,
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sc->irq_rid, sc->irq);
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sc->irq = NULL;
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}
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return;
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}
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static int
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ex_isa_probe(device_t dev)
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{
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u_int iobase;
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u_int irq;
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char * irq2ee;
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u_char * ee2irq;
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u_char enaddr[6];
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int tmp;
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int error;
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DODEBUG(Start_End, printf("ex_probe: start\n"););
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/* Check isapnp ids */
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error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
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/* If the card had a PnP ID that didn't match any we know about */
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if (error == ENXIO) {
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return(error);
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}
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/* If we had some other problem. */
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if (!(error == 0 || error == ENOENT)) {
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return(error);
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}
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iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
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if (!iobase) {
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printf("ex: no iobase?\n");
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return(ENXIO);
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}
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if (!look_for_card(iobase)) {
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printf("ex: no card found at 0x%03x\n", iobase);
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return(ENXIO);
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}
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if (bootverbose)
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printf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
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/*
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* Reset the card.
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*/
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outb(iobase + CMD_REG, Reset_CMD);
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DELAY(800);
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ex_get_address(iobase, enaddr);
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/* work out which set of irq <-> internal tables to use */
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if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
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irq2ee = plus_irq2eemap;
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ee2irq = plus_ee2irqmap;
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} else {
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irq2ee = irq2eemap;
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ee2irq = ee2irqmap;
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}
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tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
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irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
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if (irq > 0) {
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/* This will happen if board is in PnP mode. */
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if (ee2irq[tmp] != irq) {
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printf("ex: WARNING: board's EEPROM is configured"
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" for IRQ %d, using %d\n",
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ee2irq[tmp], irq);
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}
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} else {
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irq = ee2irq[tmp];
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bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
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}
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if (irq == 0) {
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printf("ex: invalid IRQ.\n");
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return(ENXIO);
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}
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DODEBUG(Start_End, printf("ex_probe: finish\n"););
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return(0);
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}
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static int
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ex_isa_attach(device_t dev)
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int
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ex_attach(device_t dev)
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{
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struct ex_softc * sc = device_get_softc(dev);
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struct ifnet * ifp = &sc->arpcom.ac_if;
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struct ifmedia * ifm;
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int unit = device_get_unit(dev);
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int error;
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int rid;
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void * ih;
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u_int16_t temp;
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DODEBUG(Start_End, device_printf(dev, "start\n"););
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rid = 0;
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sc->ioport = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0, ~0, 1, RF_ACTIVE);
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if (!sc->ioport) {
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device_printf(dev, "No I/O space?!\n");
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goto bad;
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}
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rid = 0;
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sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
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0, ~0, 1, RF_ACTIVE);
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if (!sc->irq) {
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device_printf(dev, "No IRQ?!\n");
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goto bad;
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}
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error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
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ex_intr, (void *)sc, &ih);
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if (error) {
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device_printf(dev, "bus_setup_intr() failed!\n");
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goto bad;
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}
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/*
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* Fill in several fields of the softc structure:
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* - I/O base address.
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* - Hardware Ethernet address.
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* - IRQ number (if not supplied in config file, read it from EEPROM).
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* - Connector type.
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*/
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sc->dev = dev;
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sc->iobase = rman_get_start(sc->ioport);
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sc->irq_no = rman_get_start(sc->irq);
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ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
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/* work out which set of irq <-> internal tables to use */
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if (ex_card_type(sc->arpcom.ac_enaddr) == CARD_TYPE_EX_10_PLUS) {
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sc->irq2ee = plus_irq2eemap;
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@ -491,36 +269,16 @@ ex_isa_attach(device_t dev)
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if_attach(ifp);
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ether_ifattach(ifp);
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temp = eeprom_read(sc->iobase, EE_W0);
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device_printf(sc->dev, "%s config, %s bus, ",
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(temp & EE_W0_PNP) ? "PnP" : "Manual",
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(temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
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temp = eeprom_read(sc->iobase, EE_W6);
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printf("board id 0x%03x, stepping 0x%01x\n",
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(temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
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temp & EE_W6_STEP_MASK);
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device_printf(sc->dev, "Ethernet address %6D\n",
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sc->arpcom.ac_enaddr, ":");
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/*
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* If BPF is in the kernel, call the attach for it
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*/
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bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
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DODEBUG(Start_End, printf("ex_isa_attach%d: finish\n", unit););
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return(0);
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bad:
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if (sc->ioport)
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bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->ioport);
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if (sc->irq)
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bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
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return (-1);
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}
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static void
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ex_init(void *xsc)
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{
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@ -537,7 +295,7 @@ ex_init(void *xsc)
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return;
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}
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s = splimp();
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sc->arpcom.ac_if.if_timer = 0;
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ifp->if_timer = 0;
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/*
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* Load the ethernet address into the card.
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@ -822,8 +580,7 @@ ex_stop(struct ex_softc *sc)
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return;
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}
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static void
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void
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ex_intr(void *arg)
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{
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struct ex_softc * sc = (struct ex_softc *)arg;
|
||||
@ -1143,6 +900,23 @@ ex_watchdog(struct ifnet *ifp)
|
||||
return;
|
||||
}
|
||||
|
||||
static int
|
||||
ex_get_media (u_int32_t iobase)
|
||||
{
|
||||
int tmp;
|
||||
|
||||
outb(iobase + CMD_REG, Bank2_Sel);
|
||||
tmp = inb(iobase + REG3);
|
||||
outb(iobase + CMD_REG, Bank0_Sel);
|
||||
|
||||
if (tmp & TPE_bit)
|
||||
return(IFM_ETHER|IFM_10_T);
|
||||
if (tmp & BNC_bit)
|
||||
return(IFM_ETHER|IFM_10_2);
|
||||
|
||||
return (IFM_ETHER|IFM_10_5);
|
||||
}
|
||||
|
||||
static int
|
||||
ex_ifmedia_upd (ifp)
|
||||
struct ifnet * ifp;
|
||||
@ -1164,8 +938,8 @@ ex_ifmedia_sts(ifp, ifmr)
|
||||
return;
|
||||
}
|
||||
|
||||
static u_short
|
||||
eeprom_read(int iobase, int location)
|
||||
u_short
|
||||
eeprom_read(u_int32_t iobase, int location)
|
||||
{
|
||||
int i;
|
||||
u_short data = 0;
|
||||
|
||||
313
sys/dev/ex/if_ex_isa.c
Normal file
313
sys/dev/ex/if_ex_isa.c
Normal file
@ -0,0 +1,313 @@
|
||||
/*-
|
||||
* Copyright (c) 2000 Matthew N. Dodd
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/socket.h>
|
||||
|
||||
#include <sys/module.h>
|
||||
#include <sys/bus.h>
|
||||
|
||||
#include <machine/bus.h>
|
||||
#include <machine/resource.h>
|
||||
#include <sys/rman.h>
|
||||
|
||||
#include <net/if.h>
|
||||
#include <net/if_arp.h>
|
||||
#include <net/if_media.h>
|
||||
|
||||
#include <machine/clock.h>
|
||||
|
||||
#include <isa/isavar.h>
|
||||
#include <isa/pnpvar.h>
|
||||
|
||||
#include <dev/ex/if_exreg.h>
|
||||
#include <dev/ex/if_exvar.h>
|
||||
|
||||
/* Bus Front End Functions */
|
||||
static void ex_isa_identify __P((driver_t *, device_t));
|
||||
static int ex_isa_probe __P((device_t));
|
||||
static int ex_isa_attach __P((device_t));
|
||||
|
||||
#if 0
|
||||
static void ex_pnp_wakeup (void *);
|
||||
|
||||
SYSINIT(ex_pnpwakeup, SI_SUB_CPU, SI_ORDER_ANY, ex_pnp_wakeup, NULL);
|
||||
#endif
|
||||
|
||||
static device_method_t ex_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_identify, ex_isa_identify),
|
||||
DEVMETHOD(device_probe, ex_isa_probe),
|
||||
DEVMETHOD(device_attach, ex_isa_attach),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t ex_driver = {
|
||||
"ex",
|
||||
ex_methods,
|
||||
sizeof(struct ex_softc),
|
||||
};
|
||||
|
||||
static devclass_t ex_devclass;
|
||||
|
||||
DRIVER_MODULE(ex, isa, ex_driver, ex_devclass, 0, 0);
|
||||
|
||||
static struct isa_pnp_id ex_ids[] = {
|
||||
{ 0x3110d425, NULL }, /* INT1031 */
|
||||
{ 0x3010d425, NULL }, /* INT1030 */
|
||||
{ 0, NULL },
|
||||
};
|
||||
|
||||
#if 0
|
||||
#define EX_PNP_WAKE 0x279
|
||||
|
||||
static u_int8_t ex_pnp_wake_seq[] =
|
||||
{ 0x6A, 0xB5, 0xDA, 0xED, 0xF6, 0xFB, 0x7D, 0xBE,
|
||||
0xDF, 0x6F, 0x37, 0x1B, 0x0D, 0x86, 0xC3, 0x61,
|
||||
0xB0, 0x58, 0x2C, 0x16, 0x8B, 0x45, 0xA2, 0xD1,
|
||||
0xE8, 0x74, 0x3A, 0x9D, 0xCE, 0xE7, 0x73, 0x43 };
|
||||
|
||||
static void
|
||||
ex_pnp_wakeup (void * dummy)
|
||||
{
|
||||
int tmp;
|
||||
|
||||
if (bootverbose)
|
||||
printf("ex_pnp_wakeup()\n");
|
||||
|
||||
outb(EX_PNP_WAKE, 0);
|
||||
outb(EX_PNP_WAKE, 0);
|
||||
for (tmp = 0; tmp < 32; tmp++) {
|
||||
outb(EX_PNP_WAKE, ex_pnp_wake_seq[tmp]);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Non-destructive identify.
|
||||
*/
|
||||
static void
|
||||
ex_isa_identify (driver_t *driver, device_t parent)
|
||||
{
|
||||
device_t child;
|
||||
u_int32_t ioport;
|
||||
u_char enaddr[6];
|
||||
u_int irq;
|
||||
int tmp;
|
||||
const char * desc;
|
||||
|
||||
if (bootverbose)
|
||||
printf("ex_isa_identify()\n");
|
||||
|
||||
for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
|
||||
|
||||
/* No board found at address */
|
||||
if (!look_for_card(ioport)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if (bootverbose)
|
||||
printf("ex: Found card at 0x%03x!\n", ioport);
|
||||
|
||||
/* Board in PnP mode */
|
||||
if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
|
||||
/* Reset the card. */
|
||||
outb(ioport + CMD_REG, Reset_CMD);
|
||||
DELAY(500);
|
||||
if (bootverbose)
|
||||
printf("ex: card at 0x%03x in PnP mode!\n", ioport);
|
||||
continue;
|
||||
}
|
||||
|
||||
bzero(enaddr, sizeof(enaddr));
|
||||
|
||||
/* Reset the card. */
|
||||
outb(ioport + CMD_REG, Reset_CMD);
|
||||
DELAY(400);
|
||||
|
||||
ex_get_address(ioport, enaddr);
|
||||
tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
|
||||
|
||||
/* work out which set of irq <-> internal tables to use */
|
||||
if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
|
||||
irq = plus_ee2irqmap[tmp];
|
||||
desc = "Intel Pro/10+";
|
||||
} else {
|
||||
irq = ee2irqmap[tmp];
|
||||
desc = "Intel Pro/10";
|
||||
}
|
||||
|
||||
child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
|
||||
device_set_desc_copy(child, desc);
|
||||
device_set_driver(child, driver);
|
||||
bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
|
||||
bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
|
||||
|
||||
if (bootverbose)
|
||||
printf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static int
|
||||
ex_isa_probe(device_t dev)
|
||||
{
|
||||
u_int iobase;
|
||||
u_int irq;
|
||||
char * irq2ee;
|
||||
u_char * ee2irq;
|
||||
u_char enaddr[6];
|
||||
int tmp;
|
||||
int error;
|
||||
|
||||
/* Check isapnp ids */
|
||||
error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
|
||||
|
||||
/* If the card had a PnP ID that didn't match any we know about */
|
||||
if (error == ENXIO) {
|
||||
return(error);
|
||||
}
|
||||
|
||||
/* If we had some other problem. */
|
||||
if (!(error == 0 || error == ENOENT)) {
|
||||
return(error);
|
||||
}
|
||||
|
||||
iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
|
||||
if (!iobase) {
|
||||
printf("ex: no iobase?\n");
|
||||
return(ENXIO);
|
||||
}
|
||||
|
||||
if (!look_for_card(iobase)) {
|
||||
printf("ex: no card found at 0x%03x\n", iobase);
|
||||
return(ENXIO);
|
||||
}
|
||||
|
||||
if (bootverbose)
|
||||
printf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
|
||||
|
||||
/*
|
||||
* Reset the card.
|
||||
*/
|
||||
outb(iobase + CMD_REG, Reset_CMD);
|
||||
DELAY(800);
|
||||
|
||||
ex_get_address(iobase, enaddr);
|
||||
|
||||
/* work out which set of irq <-> internal tables to use */
|
||||
if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
|
||||
irq2ee = plus_irq2eemap;
|
||||
ee2irq = plus_ee2irqmap;
|
||||
} else {
|
||||
irq2ee = irq2eemap;
|
||||
ee2irq = ee2irqmap;
|
||||
}
|
||||
|
||||
tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
|
||||
irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
|
||||
|
||||
if (irq > 0) {
|
||||
/* This will happen if board is in PnP mode. */
|
||||
if (ee2irq[tmp] != irq) {
|
||||
printf("ex: WARNING: board's EEPROM is configured"
|
||||
" for IRQ %d, using %d\n",
|
||||
ee2irq[tmp], irq);
|
||||
}
|
||||
} else {
|
||||
irq = ee2irq[tmp];
|
||||
bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
|
||||
}
|
||||
|
||||
if (irq == 0) {
|
||||
printf("ex: invalid IRQ.\n");
|
||||
return(ENXIO);
|
||||
}
|
||||
|
||||
return(0);
|
||||
}
|
||||
|
||||
static int
|
||||
ex_isa_attach(device_t dev)
|
||||
{
|
||||
struct ex_softc * sc = device_get_softc(dev);
|
||||
int error = 0;
|
||||
u_int16_t temp;
|
||||
|
||||
sc->dev = dev;
|
||||
sc->ioport_rid = 0;
|
||||
sc->irq_rid = 0;
|
||||
|
||||
if ((error = ex_alloc_resources(dev)) != 0) {
|
||||
device_printf(dev, "ex_alloc_resources() failed!\n");
|
||||
goto bad;
|
||||
}
|
||||
|
||||
/*
|
||||
* Fill in several fields of the softc structure:
|
||||
* - I/O base address.
|
||||
* - Hardware Ethernet address.
|
||||
* - IRQ number (if not supplied in config file, read it from EEPROM).
|
||||
* - Connector type.
|
||||
*/
|
||||
sc->iobase = rman_get_start(sc->ioport);
|
||||
sc->irq_no = rman_get_start(sc->irq);
|
||||
|
||||
ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
|
||||
|
||||
temp = eeprom_read(sc->iobase, EE_W0);
|
||||
device_printf(sc->dev, "%s config, %s bus, ",
|
||||
(temp & EE_W0_PNP) ? "PnP" : "Manual",
|
||||
(temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
|
||||
|
||||
temp = eeprom_read(sc->iobase, EE_W6);
|
||||
printf("board id 0x%03x, stepping 0x%01x\n",
|
||||
(temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
|
||||
temp & EE_W6_STEP_MASK);
|
||||
|
||||
if ((error = ex_attach(dev)) != 0) {
|
||||
device_printf(dev, "ex_attach() failed!\n");
|
||||
goto bad;
|
||||
}
|
||||
|
||||
error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
|
||||
ex_intr, (void *)sc, &sc->ih);
|
||||
if (error) {
|
||||
device_printf(dev, "bus_setup_intr() failed!\n");
|
||||
goto bad;
|
||||
}
|
||||
|
||||
return(0);
|
||||
bad:
|
||||
ex_release_resources(dev);
|
||||
return (error);
|
||||
}
|
||||
@ -35,6 +35,9 @@
|
||||
* Several constants.
|
||||
*/
|
||||
|
||||
#define CARD_TYPE_EX_10 1
|
||||
#define CARD_TYPE_EX_10_PLUS 2
|
||||
|
||||
/* Length of an ethernet address. */
|
||||
#define ETHER_ADDR_LEN 6
|
||||
/* Default RAM size in board. */
|
||||
|
||||
85
sys/dev/ex/if_exvar.h
Normal file
85
sys/dev/ex/if_exvar.h
Normal file
@ -0,0 +1,85 @@
|
||||
/*-
|
||||
* Copyright (c) 1996, Javier Mart^mn Rueda (jmrueda@diatel.upm.es)
|
||||
* All rights reserved.
|
||||
*
|
||||
* Copyright (c) 2000 Matthew N. Dodd
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
struct ex_softc {
|
||||
struct arpcom arpcom; /* Ethernet common data */
|
||||
struct ifmedia ifmedia;
|
||||
|
||||
device_t dev;
|
||||
struct resource *ioport;
|
||||
int ioport_rid;
|
||||
struct resource *irq;
|
||||
int irq_rid;
|
||||
void * ih;
|
||||
|
||||
u_int iobase; /* I/O base address. */
|
||||
u_short irq_no; /* IRQ number. */
|
||||
|
||||
char * irq2ee; /* irq <-> internal */
|
||||
u_char * ee2irq; /* representation conversion */
|
||||
|
||||
u_int mem_size; /* Total memory size, in bytes. */
|
||||
u_int rx_mem_size; /* Rx memory size (by default, */
|
||||
/* first 3/4 of total memory). */
|
||||
|
||||
u_int rx_lower_limit; /* Lower and upper limits of */
|
||||
u_int rx_upper_limit; /* receive buffer. */
|
||||
|
||||
u_int rx_head; /* Head of receive ring buffer. */
|
||||
u_int tx_mem_size; /* Tx memory size (by default, */
|
||||
/* last quarter of total memory).*/
|
||||
|
||||
u_int tx_lower_limit; /* Lower and upper limits of */
|
||||
u_int tx_upper_limit; /* transmit buffer. */
|
||||
|
||||
u_int tx_head; /* Head and tail of */
|
||||
u_int tx_tail; /* transmit ring buffer. */
|
||||
|
||||
u_int tx_last; /* Pointer to beginning of last */
|
||||
/* frame in the chain. */
|
||||
};
|
||||
|
||||
extern char irq2eemap[];
|
||||
extern u_char ee2irqmap[];
|
||||
extern char plus_irq2eemap[];
|
||||
extern u_char plus_ee2irqmap[];
|
||||
|
||||
int ex_alloc_resources (device_t);
|
||||
void ex_release_resources (device_t);
|
||||
int ex_attach (device_t);
|
||||
|
||||
driver_intr_t ex_intr;
|
||||
|
||||
u_int16_t eeprom_read (u_int32_t, int);
|
||||
|
||||
int look_for_card (u_int32_t);
|
||||
void ex_get_address (u_int32_t, u_char *);
|
||||
int ex_card_type (u_char *);
|
||||
Loading…
Reference in New Issue
Block a user