/*
* Probe and initialization for TDK/LANX LAC-AX012/013 boards.
*/
static int
fe_probe_lnx(device_t dev)
{
struct fe_softc *sc = device_get_softc(dev);
u_long iobase, irq;
u_char eeprom [LNX_EEPROM_SIZE];
static struct fe_simple_probe_struct probe_table [] = {
{ FE_DLCR2, 0x58, 0x00 },
{ FE_DLCR4, 0x08, 0x00 },
{ 0 }
};
/* See if the specified I/O address is possible for TDK/LANX boards. */
/* 300, 320, 340, and 360 are allowed. */
if (bus_get_resource(dev, SYS_RES_IOPORT, 0, &iobase, NULL) != 0)
return ENXIO;
if ((iobase & ~0x060) != 0x300)
return ENXIO;
/* We have 32 registers. */
if (fe_alloc_port(dev, 32))
return ENXIO;
/* Fill the softc struct with default values. */
fe_softc_defaults(sc);
/* See if the card is on its address. */
if (!fe_simple_probe(sc, probe_table))
return ENXIO;
/* We now have to read the config EEPROM. We should be very
careful, since doing so destroys a register. (Remember, we
are not yet sure we have a LAC-AX012/AX013 board here.) */
fe_read_eeprom_lnx(sc, eeprom);
/* Make sure the Ethernet (MAC) station address is of TDK/LANX's. */
if (!fe_valid_Ether_p(eeprom, 0x008098))
return ENXIO;
bcopy(eeprom, sc->enaddr, ETHER_ADDR_LEN);
/* This looks like a TDK/LANX board. It requires an
explicit IRQ setting in config. Make sure we have one,
determining an appropriate value for the IRQ control
register. */
irq = 0;
bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, NULL);
switch (irq) {
case 3: sc->priv_info = 0x40 | LNX_CLK_LO | LNX_SDA_HI; break;
case 4: sc->priv_info = 0x20 | LNX_CLK_LO | LNX_SDA_HI; break;
case 5: sc->priv_info = 0x10 | LNX_CLK_LO | LNX_SDA_HI; break;
case 9: sc->priv_info = 0x80 | LNX_CLK_LO | LNX_SDA_HI; break;
default:
fe_irq_failure("LAC-AX012/AX013", sc->sc_unit, irq, "3/4/5/9");
return ENXIO;
}
/* Fill softc struct accordingly. */
sc->type = FE_TYPE_LNX;
sc->typestr = "LAC-AX012/AX013";
sc->init = fe_init_lnx;
return 0;
}
/*
* Probe for TDK LAC-98012/013/025/9N011 - parhaps.
*/
static int
fe_probe_lnx(device_t dev)
{
struct fe_softc *sc = device_get_softc(dev);
rman_res_t iobase, irq;
u_char eeprom [LNX_EEPROM_SIZE];
static struct fe_simple_probe_struct probe_table [] = {
{ FE_DLCR2, 0x58, 0x00 },
{ FE_DLCR4, 0x08, 0x00 },
{ 0 }
};
/* See if the specified I/O address is possible for TDK/LANX boards. */
/* 0D0, 4D0, 8D0, and CD0 are allowed. */
if (bus_get_resource(dev, SYS_RES_IOPORT, 0, &iobase, NULL) != 0)
return ENXIO;
if ((iobase & ~0xC00) != 0xD0)
return ENXIO;
if (fe98_alloc_port(dev, FE_TYPE_LNX))
return ENXIO;
/* Fill the softc struct with default values. */
fe_softc_defaults(sc);
/* See if the card is on its address. */
if (!fe_simple_probe(sc, probe_table))
return ENXIO;
/* We now have to read the config EEPROM. We should be very
careful, since doing so destroys a register. (Remember, we
are not yet sure we have a LAC-98012/98013 board here.) */
fe_read_eeprom_lnx(sc, eeprom);
/* Make sure the Ethernet (MAC) station address is of TDK/LANX's. */
if (!fe_valid_Ether_p(eeprom, 0x008098))
return ENXIO;
bcopy(eeprom, sc->enaddr, ETHER_ADDR_LEN);
/* Setup the board type. */
sc->typestr = "LAC-98012/98013";
/* This looks like a TDK/LANX board. It requires an
explicit IRQ setting in config. Make sure we have one,
determining an appropriate value for the IRQ control
register. */
irq = 0;
if (bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, NULL) != 0)
return ENXIO;
switch (irq) {
case 3 : sc->priv_info = 0x10 | LNX_CLK_LO | LNX_SDA_HI; break;
case 5 : sc->priv_info = 0x20 | LNX_CLK_LO | LNX_SDA_HI; break;
case 6 : sc->priv_info = 0x40 | LNX_CLK_LO | LNX_SDA_HI; break;
case 12: sc->priv_info = 0x80 | LNX_CLK_LO | LNX_SDA_HI; break;
default:
fe_irq_failure(sc->typestr, sc->sc_unit, irq, "3/5/6/12");
return ENXIO;
}
/* LAC-98's system bus width is 8-bit. */
sc->proto_dlcr6 = FE_D6_BUFSIZ_32KB | FE_D6_TXBSIZ_2x2KB
| FE_D6_BBW_BYTE | FE_D6_SBW_BYTE | FE_D6_SRAM_150ns;
/* Setup hooks. We need a special initialization procedure. */
sc->init = fe_init_lnx;
return 0;
}
