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/*-
* Copyright (c) 1995, David Greenman
* 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 unmodified, 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: release/9.1.0/sys/dev/ed/if_ed_cbus.c 191299 2009-04-20 01:19:59Z imp $
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <net/if_mib.h>
#include <isa/isavar.h>
#include <dev/ed/if_edvar.h>
#include <dev/ed/if_edreg.h>
#include <dev/ed/if_ed98.h>
static int ed98_alloc_port(device_t, int);
static int ed98_alloc_memory(device_t, int);
static int ed_pio_testmem(struct ed_softc *, int, int, int);
static int ed_probe_CNET98(device_t, int, int);
static int ed_probe_CNET98EL(device_t, int, int);
static int ed_probe_EZ98(device_t, int, int);
static int ed_probe_NEC77(device_t, int, int);
static int ed_probe_NW98X(device_t, int, int);
static int ed_probe_SB98(device_t, int, int);
static int ed_probe_SIC98(device_t, int, int);
static int ed98_probe_Novell(device_t, int, int);
static int ed98_probe_generic8390(struct ed_softc *);
static void ed_reset_CNET98(struct ed_softc *, int);
static void ed_winsel_CNET98(struct ed_softc *, u_short);
static void ed_get_SB98(struct ed_softc *);
static int ed_cbus_probe(device_t);
static int ed_cbus_attach(device_t);
static struct isa_pnp_id ed_ids[] = {
/* TODO - list up PnP boards for PC-98 */
{ 0, NULL }
};
static int
ed_cbus_probe(device_t dev)
{
struct ed_softc *sc = device_get_softc(dev);
int flags = device_get_flags(dev);
int error = 0;
sc->type = ED_TYPE98(flags);
#ifdef ED_DEBUG
device_printf(dev, "ed_cbus_probe: sc->type=%x\n", sc->type);
#endif
/* Check isapnp ids */
error = ISA_PNP_PROBE(device_get_parent(dev), dev, ed_ids);
#ifdef ED_DEBUG
device_printf(dev, "ed_cbus_probe: ISA_PNP_PROBE returns %d\n", error);
#endif
/* If the card had a PnP ID that didn't match any we know about */
if (error == ENXIO)
goto end;
/* If we had some other problem. */
if (!(error == 0 || error == ENOENT))
goto end;
/* Heuristic probes */
#ifdef ED_DEBUG
device_printf(dev, "ed_cbus_probe: Heuristic probes start\n");
#endif
switch (sc->type) {
case ED_TYPE98_GENERIC:
/*
* CAUTION!
* sc->type of these boards are overwritten by PC/AT's value.
*/
/*
* SMC EtherEZ98
*/
error = ed_probe_EZ98(dev, 0, flags);
if (error == 0)
goto end;
ed_release_resources(dev);
/*
* Allied Telesis CenterCom LA-98-T
*/
error = ed_probe_Novell(dev, 0, flags);
if (error == 0) {
ed_Novell_read_mac(sc);
goto end;
}
break;
/*
* NE2000-like boards probe routine
*/
case ED_TYPE98_BDN:
/*
* ELECOM LANEED LD-BDN
* PLANET SMART COM 98 EN-2298
*/
case ED_TYPE98_LGY:
/*
* MELCO LGY-98, IND-SP, IND-SS
* MACNICA NE2098
*/
case ED_TYPE98_ICM:
/*
* ICM DT-ET-25, DT-ET-T5, IF-2766ET, IF-2771ET
* D-Link DE-298P, DE-298
*/
case ED_TYPE98_EGY:
/*
* MELCO EGY-98
* Contec C-NET(98)E-A, C-NET(98)L-A
*/
case ED_TYPE98_108:
/*
* NEC PC-9801-107,108
*/
case ED_TYPE98_NC5098:
/*
* NextCom NC5098
*/
error = ed98_probe_Novell(dev, 0, flags);
break;
/*
* other boards with special probe routine
*/
case ED_TYPE98_SIC:
/*
* Allied Telesis SIC-98
*/
error = ed_probe_SIC98(dev, 0, flags);
break;
case ED_TYPE98_CNET98EL:
/*
* Contec C-NET(98)E/L
*/
error = ed_probe_CNET98EL(dev, 0, flags);
break;
case ED_TYPE98_CNET98:
/*
* Contec C-NET(98)
*/
error = ed_probe_CNET98(dev, 0, flags);
break;
case ED_TYPE98_LA98:
/*
* IO-DATA LA/T-98
* NEC PC-9801-77,78
*/
error = ed_probe_NEC77(dev, 0, flags);
break;
case ED_TYPE98_NW98X:
/*
* Networld EC/EP-98X
*/
error = ed_probe_NW98X(dev, 0, flags);
break;
case ED_TYPE98_SB98:
/*
* Soliton SB-9801
* Fujikura FN-9801
*/
error = ed_probe_SB98(dev, 0, flags);
break;
}
end:
#ifdef ED_DEBUG
device_printf(dev, "ed_cbus_probe: end, error=%d\n", error);
#endif
if (error == 0)
error = ed_alloc_irq(dev, 0, 0);
ed_release_resources(dev);
return (error);
}
static int
ed_cbus_attach(dev)
device_t dev;
{
struct ed_softc *sc = device_get_softc(dev);
int flags = device_get_flags(dev);
int error;
if (sc->port_used > 0) {
if (ED_TYPE98(flags) == ED_TYPE98_GENERIC)
ed_alloc_port(dev, 0, sc->port_used);
else
ed98_alloc_port(dev, 0);
}
if (sc->mem_used)
ed_alloc_memory(dev, 0, sc->mem_used);
ed_alloc_irq(dev, 0, 0);
if (sc->sc_media_ioctl == NULL)
ed_gen_ifmedia_init(sc);
error = ed_attach(dev);
if (error) {
ed_release_resources(dev);
return (error);
}
error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
NULL, edintr, sc, &sc->irq_handle);
if (error)
ed_release_resources(dev);
return (error);
}
/*
* Interrupt conversion table for EtherEZ98
*/
static uint16_t ed_EZ98_intr_val[] = {
0,
3,
5,
6,
0,
9,
12,
13
};
static int
ed_probe_EZ98(device_t dev, int port_rid, int flags)
{
struct ed_softc *sc = device_get_softc(dev);
int error;
static unsigned short *intr_vals[] = {NULL, ed_EZ98_intr_val};
error = ed_alloc_port(dev, port_rid, ED_EZ98_IO_PORTS);
if (error) {
return (error);
}
sc->asic_offset = ED_EZ98_ASIC_OFFSET;
sc->nic_offset = ED_EZ98_NIC_OFFSET;
return ed_probe_WD80x3_generic(dev, flags, intr_vals);
}
/*
* I/O conversion tables
*/
/* LGY-98, ICM, C-NET(98)E/L */
static bus_addr_t ed98_ioaddr_generic[] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
};
/*
* Definitions for Contec C-NET(98)E/L
*/
#define ED_CNET98EL_ICR 2 /* Interrupt Configuration Register */
#define ED_CNET98EL_ICR_IRQ3 0x01
#define ED_CNET98EL_ICR_IRQ5 0x02
#define ED_CNET98EL_ICR_IRQ6 0x04
#define ED_CNET98EL_ICR_IRQ12 0x20
#define ED_CNET98EL_IMR 4 /* Interrupt Mask Register */
#define ED_CNET98EL_ISR 5 /* Interrupt Status Register */
/* EGY-98 */
static bus_addr_t ed98_ioaddr_egy98[] = {
0, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
0x100, 0x102, 0x104, 0x106, 0x108, 0x10a, 0x10c, 0x10e
};
/* SIC-98 */
static bus_addr_t ed98_ioaddr_sic98[] = {
0x0000, 0x0200, 0x0400, 0x0600, 0x0800, 0x0a00, 0x0c00, 0x0e00,
0x1000, 0x1200, 0x1400, 0x1600, 0x1800, 0x1a00, 0x1c00, 0x1e00
};
/* LA/T-98, LD-BDN, PC-9801-77, SB-9801 */
static bus_addr_t ed98_ioaddr_la98[] = {
0x0000, 0x1000, 0x2000, 0x3000, 0x4000, 0x5000, 0x6000, 0x7000,
0x8000, 0x9000, 0xa000, 0xb000, 0xc000, 0xd000, 0xe000, 0xf000,
0x0100 /* for NEC 77(see below) */
};
/*
* Definitions for NEC PC-9801-77
*/
#define ED_NEC77_IRQ 16 /* Interrupt Configuration Register */
#define ED_NEC77_IRQ3 0x04
#define ED_NEC77_IRQ5 0x06
#define ED_NEC77_IRQ6 0x08
#define ED_NEC77_IRQ12 0x0a
#define ED_NEC77_IRQ13 0x02
/*
* Definitions for Soliton SB-9801
*/
#define ED_SB98_CFG 1 /* Board configuration */
#define ED_SB98_CFG_IRQ3 0x00
#define ED_SB98_CFG_IRQ5 0x04
#define ED_SB98_CFG_IRQ6 0x08
#define ED_SB98_CFG_IRQ12 0x0c
#define ED_SB98_CFG_ALTPORT 0x40 /* use EXTERNAL media */
#define ED_SB98_CFG_ENABLE 0xa0 /* enable configuration */
#define ED_SB98_EEPENA 2 /* EEPROM access enable */
#define ED_SB98_EEPENA_DISABLE 0x00
#define ED_SB98_EEPENA_ENABLE 0x01
#define ED_SB98_EEP 3 /* EEPROM access */
#define ED_SB98_EEP_SDA 0x01 /* Serial Data */
#define ED_SB98_EEP_SCL 0x02 /* Serial Clock */
#define ED_SB98_EEP_READ 0x01 /* Read Command */
#define ED_SB98_EEP_DELAY 300
#define ED_SB98_ADDRESS 0x01 /* Station Address(1-6) */
#define ED_SB98_POLARITY 4 /* Polarity */
/* PC-9801-108 */
static bus_addr_t ed98_ioaddr_nec108[] = {
0x0000, 0x0002, 0x0004, 0x0006, 0x0008, 0x000a, 0x000c, 0x000e,
0x1000, 0x1002, 0x1004, 0x1006, 0x1008, 0x100a, 0x100c, 0x100e
};
/* C-NET(98) */
static bus_addr_t ed98_ioaddr_cnet98[] = {
0x0000, 0x0002, 0x0004, 0x0006, 0x0008, 0x000a, 0x000c, 0x000e,
0x0400, 0x0402, 0x0404, 0x0406, 0x0408, 0x040a, 0x040c, 0x040e
};
/*
* Definitions for Contec C-NET(98)
*/
#define ED_CNET98_MAP_REG0L 0 /* MAPPING register0 Low */
#define ED_CNET98_MAP_REG1L 1 /* MAPPING register1 Low */
#define ED_CNET98_MAP_REG2L 2 /* MAPPING register2 Low */
#define ED_CNET98_MAP_REG3L 3 /* MAPPING register3 Low */
#define ED_CNET98_MAP_REG0H 4 /* MAPPING register0 Hi */
#define ED_CNET98_MAP_REG1H 5 /* MAPPING register1 Hi */
#define ED_CNET98_MAP_REG2H 6 /* MAPPING register2 Hi */
#define ED_CNET98_MAP_REG3H 7 /* MAPPING register3 Hi */
#define ED_CNET98_WIN_REG 8 /* Window register */
#define ED_CNET98_INT_LEV 9 /* Init level register */
#define ED_CNET98_INT_IRQ3 0x01 /* INT 0 */
#define ED_CNET98_INT_IRQ5 0x02 /* INT 1 */
#define ED_CNET98_INT_IRQ6 0x04 /* INT 2 */
#define ED_CNET98_INT_IRQ9 0x08 /* INT 3 */
#define ED_CNET98_INT_IRQ12 0x20 /* INT 5 */
#define ED_CNET98_INT_IRQ13 0x40 /* INT 6 */
#define ED_CNET98_INT_REQ 10 /* Init request register */
#define ED_CNET98_INT_MASK 11 /* Init mask register */
#define ED_CNET98_INT_STAT 12 /* Init status register */
#define ED_CNET98_INT_CLR 12 /* Init clear register */
#define ED_CNET98_RESERVE1 13
#define ED_CNET98_RESERVE2 14
#define ED_CNET98_RESERVE3 15
/* EC/EP-98X, NC5098 */
static bus_addr_t ed98_ioaddr_nw98x[] = {
0x0000, 0x0100, 0x0200, 0x0300, 0x0400, 0x0500, 0x0600, 0x0700,
0x0800, 0x0900, 0x0a00, 0x0b00, 0x0c00, 0x0d00, 0x0e00, 0x0f00,
0x1000 /* for EC/EP-98X(see below) */
};
/*
* Definitions for Networld EC/EP-98X
*/
#define ED_NW98X_IRQ 16 /* Interrupt Configuration Register */
#define ED_NW98X_IRQ3 0x04
#define ED_NW98X_IRQ5 0x06
#define ED_NW98X_IRQ6 0x08
#define ED_NW98X_IRQ12 0x0a
#define ED_NW98X_IRQ13 0x02
/* NC5098 ASIC */
static bus_addr_t ed98_asic_nc5098[] = {
/* DATA ENADDR RESET */
0x0000, 0x2000, 0x2100, 0x2200, 0x2300, 0x2400, 0x2500, 0x4000,
0, 0, 0, 0, 0, 0, 0, 0
};
/*
* Definitions for NextCom NC5098
*/
#define ED_NC5098_ENADDR 1 /* Station Address(1-6) */
/*
* Allocate a port resource with the given resource id.
*/
static int
ed98_alloc_port(device_t dev, int rid)
{
struct ed_softc *sc = device_get_softc(dev);
struct resource *res;
int error;
bus_addr_t *io_nic, *io_asic, adj;
static bus_addr_t io_res[ED_NOVELL_IO_PORTS + 1];
int i, n;
int offset, reset, data;
/* Set i/o table for resource manager */
io_nic = io_asic = ed98_ioaddr_generic;
offset = ED_NOVELL_ASIC_OFFSET;
reset = ED_NOVELL_RESET;
data = ED_NOVELL_DATA;
n = ED_NOVELL_IO_PORTS;
switch (sc->type) {
case ED_TYPE98_LGY:
io_asic = ed98_ioaddr_egy98; /* XXX - Yes, we use egy98 */
offset = 0x0200;
reset = 8;
break;
case ED_TYPE98_EGY:
io_nic = io_asic = ed98_ioaddr_egy98;
offset = 0x0200;
reset = 8;
break;
case ED_TYPE98_ICM:
offset = 0x0100;
break;
case ED_TYPE98_BDN:
io_nic = io_asic = ed98_ioaddr_la98;
offset = 0x0100;
reset = 0x0c;
break;
case ED_TYPE98_SIC:
io_nic = io_asic = ed98_ioaddr_sic98;
offset = 0x2000;
n = 16+1;
break;
case ED_TYPE98_108:
io_nic = io_asic = ed98_ioaddr_nec108;
offset = 0x0888; /* XXX - overwritten after */
reset = 1;
n = 16; /* XXX - does not set ASIC i/o here */
break;
case ED_TYPE98_LA98:
io_nic = io_asic = ed98_ioaddr_la98;
offset = 0x0100;
break;
case ED_TYPE98_CNET98EL:
offset = 0x0400;
data = 0x0e;
break;
case ED_TYPE98_CNET98:
/* XXX - Yes, we use generic i/o here */
offset = 0x0400;
break;
case ED_TYPE98_NW98X:
io_nic = io_asic = ed98_ioaddr_nw98x;
offset = 0x1000;
break;
case ED_TYPE98_SB98:
io_nic = io_asic = ed98_ioaddr_la98;
offset = 0x0400;
reset = 7;
break;
case ED_TYPE98_NC5098:
io_nic = ed98_ioaddr_nw98x;
io_asic = ed98_asic_nc5098;
offset = 0x2000;
reset = 7;
n = 16+8; /* XXX */
break;
}
bcopy(io_nic, io_res, sizeof(io_nic[0]) * ED_NOVELL_ASIC_OFFSET);
for (i = ED_NOVELL_ASIC_OFFSET; i < ED_NOVELL_IO_PORTS; i++)
io_res[i] = io_asic[i - ED_NOVELL_ASIC_OFFSET] + offset;
res = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, io_res, n,
RF_ACTIVE);
if (!res)
return (ENOENT);
sc->port_res = res;
sc->port_used = n;
sc->port_bst = rman_get_bustag(res);
sc->port_bsh = rman_get_bushandle(res);
/* Re-map i/o table if needed */
switch (sc->type) {
case ED_TYPE98_LA98:
case ED_TYPE98_NW98X:
io_res[n] = io_asic[n - ED_NOVELL_ASIC_OFFSET] + offset;
n++;
break;
case ED_TYPE98_108:
adj = (rman_get_start(res) & 0xf000) / 2;
offset = (offset | adj) - rman_get_start(res);
for (n = ED_NOVELL_ASIC_OFFSET; n < ED_NOVELL_IO_PORTS; n++)
io_res[n] = io_asic[n - ED_NOVELL_ASIC_OFFSET] + offset;
break;
case ED_TYPE98_CNET98:
io_nic = io_asic = ed98_ioaddr_cnet98;
offset = 1;
bcopy(io_nic, io_res, sizeof(io_nic[0]) * ED_NOVELL_ASIC_OFFSET);
for (n = ED_NOVELL_ASIC_OFFSET; n < ED_NOVELL_IO_PORTS; n++)
io_res[n] = io_asic[n - ED_NOVELL_ASIC_OFFSET] + offset;
break;
case ED_TYPE98_NC5098:
n = ED_NOVELL_IO_PORTS;
break;
}
if (reset != ED_NOVELL_RESET)
io_res[ED_NOVELL_ASIC_OFFSET + ED_NOVELL_RESET] =
io_res[ED_NOVELL_ASIC_OFFSET + reset];
if (data != ED_NOVELL_DATA) {
io_res[ED_NOVELL_ASIC_OFFSET + ED_NOVELL_DATA] =
io_res[ED_NOVELL_ASIC_OFFSET + data];
#if 0
io_res[ED_NOVELL_ASIC_OFFSET + ED_NOVELL_DATA + 1] =
io_res[ED_NOVELL_ASIC_OFFSET + data + 1];
#endif
}
error = isa_load_resourcev(res, io_res, n);
if (error != 0)
return (ENOENT);
#ifdef ED_DEBUG
device_printf(dev, "ed98_alloc_port: i/o ports = %d\n", n);
for (i = 0; i < n; i++)
printf("%x,", io_res[i]);
printf("\n");
#endif
return (0);
}
static int
ed98_alloc_memory(dev, rid)
device_t dev;
int rid;
{
struct ed_softc *sc = device_get_softc(dev);
int error;
u_long conf_maddr, conf_msize;
error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &conf_maddr,
&conf_msize);
if (error)
return (error);
if ((conf_maddr == 0) || (conf_msize == 0))
return (ENXIO);
error = ed_alloc_memory(dev, rid, (int) conf_msize);
if (error)
return (error);
sc->mem_start = 0;
sc->mem_size = conf_msize;
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
*
* XXX - We only check the CR register.
*
* Return 1 if 8390 was found, 0 if not.
*/
static int
ed98_probe_generic8390(struct ed_softc *sc)
{
u_char tmp = ed_nic_inb(sc, ED_P0_CR);
#ifdef DIAGNOSTIC
printf("ed?: inb(ED_P0_CR)=%x\n", tmp);
#endif
if ((tmp & (ED_CR_RD2 | ED_CR_TXP | ED_CR_STA | ED_CR_STP)) !=
(ED_CR_RD2 | ED_CR_STP))
return (0);
(void) ed_nic_inb(sc, ED_P0_ISR);
return (1);
}
static int
ed98_probe_Novell(device_t dev, int port_rid, int flags)
{
struct ed_softc *sc = device_get_softc(dev);
int error;
int n;
u_char romdata[ETHER_ADDR_LEN * 2], tmp;
#ifdef ED_DEBUG
device_printf(dev, "ed98_probe_Novell: start\n");
#endif
error = ed98_alloc_port(dev, port_rid);
if (error)
return (error);
sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
sc->nic_offset = ED_NOVELL_NIC_OFFSET;
/* Reset the board */
#ifdef ED_DEBUG
device_printf(dev, "ed98_probe_Novell: reset\n");
#endif
switch (sc->type) {
#if 1 /* XXX - I'm not sure this is really necessary... */
case ED_TYPE98_BDN:
tmp = ed_asic_inb(sc, ED_NOVELL_RESET);
ed_asic_outb(sc, ED_NOVELL_RESET, (tmp & 0xf0) | 0x08);
ed_nic_outb(sc, 0x04, tmp);
(void) ed_asic_inb(sc, 0x08);
ed_asic_outb(sc, 0x08, tmp);
ed_asic_outb(sc, 0x08, tmp & 0x7f);
break;
#endif
case ED_TYPE98_NC5098:
ed_asic_outb(sc, ED_NOVELL_RESET, 0x00);
DELAY(5000);
ed_asic_outb(sc, ED_NOVELL_RESET, 0x01);
break;
default:
tmp = ed_asic_inb(sc, 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 an 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.]
*/
ed_asic_outb(sc, ED_NOVELL_RESET, tmp);
break;
}
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
*/
ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
DELAY(5000);
/* Make sure that we really have an 8390 based board */
if (!ed98_probe_generic8390(sc))
return (ENXIO);
/* Test memory via PIO */
#ifdef ED_DEBUG
device_printf(dev, "ed98_probe_Novell: test memory\n");
#endif
sc->cr_proto = ED_CR_RD2;
if (!ed_pio_testmem(sc, 8192, 0, flags) &&
!ed_pio_testmem(sc, 16384, 1, flags))
return (ENXIO);
/* Setup the board type */
#ifdef ED_DEBUG
device_printf(dev, "ed98_probe_Novell: board type\n");
#endif
switch (sc->type) {
case ED_TYPE98_BDN:
sc->type_str = "LD-BDN";
break;
case ED_TYPE98_EGY:
sc->type_str = "EGY-98";
break;
case ED_TYPE98_LGY:
sc->type_str = "LGY-98";
break;
case ED_TYPE98_ICM:
sc->type_str = "ICM";
break;
case ED_TYPE98_108:
sc->type_str = "PC-9801-108";
break;
case ED_TYPE98_LA98:
sc->type_str = "LA-98";
break;
case ED_TYPE98_NW98X:
sc->type_str = "NW98X";
break;
case ED_TYPE98_NC5098:
sc->type_str = "NC5098";
break;
default:
sc->type_str = NULL;
break;
}
/* Get station address */
switch (sc->type) {
case ED_TYPE98_NC5098:
for (n = 0; n < ETHER_ADDR_LEN; n++)
sc->enaddr[n] = ed_asic_inb(sc, ED_NC5098_ENADDR + n);
break;
default:
ed_pio_readmem(sc, 0, romdata, sizeof(romdata));
for (n = 0; n < ETHER_ADDR_LEN; n++)
sc->enaddr[n] = romdata[n * (sc->isa16bit + 1)];
break;
}
/* clear any pending interrupts that might have occurred above */
ed_nic_outb(sc, ED_P0_ISR, 0xff);
sc->sc_write_mbufs = ed_pio_write_mbufs;
return (0);
}
/*
* Probe and vendor-specific initialization routine for SIC-98 boards
*/
static int
ed_probe_SIC98(device_t dev, int port_rid, int flags)
{
struct ed_softc *sc = device_get_softc(dev);
int error;
int i;
u_char sum;
/*
* Setup card RAM and I/O address
* Kernel Virtual to segment C0000-DFFFF????
*/
error = ed98_alloc_port(dev, port_rid);
if (error)
return (error);
sc->asic_offset = ED_SIC_ASIC_OFFSET;
sc->nic_offset = ED_SIC_NIC_OFFSET;
error = ed98_alloc_memory(dev, 0);
if (error)
return (error);
/* Reset card to force it into a known state. */
ed_asic_outb(sc, 0, 0x00);
DELAY(100);
if (ED_TYPE98SUB(flags) == 0) {
/* SIC-98/SIU-98 */
ed_asic_outb(sc, 0, 0x94);
DELAY(100);
ed_asic_outb(sc, 0, 0x94);
} else {
/* SIU-98-D */
ed_asic_outb(sc, 0, 0x80);
DELAY(100);
ed_asic_outb(sc, 0, 0x94);
DELAY(100);
ed_asic_outb(sc, 0, 0x9e);
}
DELAY(100);
/*
* Here we check the card ROM, if the checksum passes, and the
* type code and ethernet address check out, then we know we have
* an SIC card.
*/
sum = bus_space_read_1(sc->mem_bst, sc->mem_bsh, 6 * 2);
for (i = 0; i < ETHER_ADDR_LEN; i++)
sum ^= (sc->enaddr[i] =
bus_space_read_1(sc->mem_bst, sc->mem_bsh, i * 2));
#ifdef ED_DEBUG
device_printf(dev, "ed_probe_sic98: got address %6D\n",
sc->enaddr, ":");
#endif
if (sum != 0)
return (ENXIO);
if ((sc->enaddr[0] | sc->enaddr[1] | sc->enaddr[2]) == 0)
return (ENXIO);
sc->vendor = ED_VENDOR_SIC;
sc->type_str = "SIC98";
sc->isa16bit = 1;
sc->cr_proto = 0;
/*
* SIC RAM page 0x0000-0x3fff(or 0x7fff)
*/
if (ED_TYPE98SUB(flags) == 0)
ed_asic_outb(sc, 0, 0x90);
else
ed_asic_outb(sc, 0, 0x8e);
DELAY(100);
error = ed_clear_memory(dev);
if (error)
return (error);
sc->mem_shared = 1;
sc->mem_end = sc->mem_start + sc->mem_size;
/*
* allocate one xmit buffer if < 16k, two buffers otherwise
*/
if ((sc->mem_size < 16384) || (flags & ED_FLAGS_NO_MULTI_BUFFERING))
sc->txb_cnt = 1;
else
sc->txb_cnt = 2;
sc->tx_page_start = 0;
sc->rec_page_start = sc->tx_page_start + ED_TXBUF_SIZE * sc->txb_cnt;
sc->rec_page_stop = sc->tx_page_start + sc->mem_size / ED_PAGE_SIZE;
sc->mem_ring = sc->mem_start + sc->txb_cnt * ED_PAGE_SIZE * ED_TXBUF_SIZE;
sc->sc_write_mbufs = ed_shmem_write_mbufs;
return (0);
}
/*
* Contec C-NET(98) series support routines
*/
static void
ed_reset_CNET98(struct ed_softc *sc, int flags)
{
u_int init_addr = ED_CNET98_INIT;
u_char tmp;
/* Choose initial register address */
if (ED_TYPE98SUB(flags) != 0) {
init_addr = ED_CNET98_INIT2;
}
#ifdef ED_DEBUG
printf("ed?: initial register=%x\n", init_addr);
#endif
/*
* Reset the board to force it into a known state.
*/
outb(init_addr, 0x00); /* request */
DELAY(5000);
outb(init_addr, 0x01); /* cancel */
DELAY(5000);
/*
* Set I/O address(A15-12) and cpu type
*
* AAAAIXXC(8bit)
* AAAA: A15-A12, I: I/O enable, XX: reserved, C: CPU type
*
* CPU type is 1:80286 or higher, 0:not.
* But FreeBSD runs under i386 or higher, thus it must be 1.
*/
tmp = (rman_get_start(sc->port_res) & 0xf000) >> 8;
tmp |= (0x08 | 0x01);
#ifdef ED_DEBUG
printf("ed?: outb(%x, %x)\n", init_addr + 2, tmp);
#endif
outb(init_addr + 2, 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
*/
ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
DELAY(5000);
}
static void
ed_winsel_CNET98(struct ed_softc *sc, u_short bank)
{
u_char mem = (rman_get_start(sc->mem_res) >> 12) & 0xff;
/*
* Disable window memory
* bit7 is 0:disable
*/
ed_asic_outb(sc, ED_CNET98_WIN_REG, mem & 0x7f);
DELAY(10);
/*
* Select window address
* FreeBSD address 0xf00xxxxx
*/
ed_asic_outb(sc, ED_CNET98_MAP_REG0L, bank & 0xff);
DELAY(10);
ed_asic_outb(sc, ED_CNET98_MAP_REG0H, (bank >> 8) & 0xff);
DELAY(10);
ed_asic_outb(sc, ED_CNET98_MAP_REG1L, 0x00);
DELAY(10);
ed_asic_outb(sc, ED_CNET98_MAP_REG1H, 0x41);
DELAY(10);
ed_asic_outb(sc, ED_CNET98_MAP_REG2L, 0x00);
DELAY(10);
ed_asic_outb(sc, ED_CNET98_MAP_REG2H, 0x42);
DELAY(10);
ed_asic_outb(sc, ED_CNET98_MAP_REG3L, 0x00);
DELAY(10);
ed_asic_outb(sc, ED_CNET98_MAP_REG3H, 0x43);
DELAY(10);
/*
* Enable window memory(16Kbyte)
* bit7 is 1:enable
*/
#ifdef ED_DEBUG
printf("ed?: window start address=%x\n", mem);
#endif
ed_asic_outb(sc, ED_CNET98_WIN_REG, mem);
DELAY(10);
}
/*
* Probe and vendor-specific initialization routine for C-NET(98) boards
*/
static int
ed_probe_CNET98(device_t dev, int port_rid, int flags)
{
struct ed_softc *sc = device_get_softc(dev);
int error;
u_char tmp;
u_long conf_irq, junk;
#ifdef DIAGNOSTIC
u_char tmp_s;
#endif
error = ed98_alloc_port(dev, port_rid);
if (error)
return (error);
sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
sc->nic_offset = ED_NOVELL_NIC_OFFSET;
error = ed98_alloc_memory(dev, 0);
if (error)
return (error);
/* Check I/O address. 0x[a-f]3d0 are allowed. */
if (((rman_get_start(sc->port_res) & 0x0fff) != 0x03d0)
|| ((rman_get_start(sc->port_res) & 0xf000) < (u_short) 0xa000)) {
#ifdef DIAGNOSTIC
device_printf(dev, "Invalid i/o port configuration (0x%lx) "
"must be %s for %s\n", rman_get_start(sc->port_res),
"0x[a-f]3d0", "CNET98");
#endif
return (ENXIO);
}
#ifdef DIAGNOSTIC
/* Check window area address */
tmp_s = rman_get_start(sc->mem_res) >> 12;
if (tmp_s < 0x80) {
device_printf(dev, "Please change window address(0x%lx)\n",
rman_get_start(sc->mem_res));
return (ENXIO);
}
tmp_s &= 0x0f;
tmp = rman_get_start(sc->port_res) >> 12;
if ((tmp_s <= tmp) && (tmp < (tmp_s + 4))) {
device_printf(dev, "Please change iobase address(0x%lx) "
"or window address(0x%lx)\n",
rman_get_start(sc->port_res),
rman_get_start(sc->mem_res));
return (ENXIO);
}
#endif
/* Reset the board */
ed_reset_CNET98(sc, flags);
/*
* 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
*/
ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
DELAY(5000);
/* Make sure that we really have an 8390 based board */
if (!ed98_probe_generic8390(sc))
return (ENXIO);
/*
* Set window ethernet address area
* board memory base 0x480000 data 256byte
*/
ed_winsel_CNET98(sc, 0x4800);
/*
* Get station address from on-board ROM
*/
bus_space_read_region_1(sc->mem_bst, sc->mem_bsh, sc->mem_start,
sc->enaddr, ETHER_ADDR_LEN);
sc->vendor = ED_VENDOR_MISC;
sc->type_str = "CNET98";
sc->isa16bit = 0;
sc->cr_proto = ED_CR_RD2;
/*
* Set window buffer memory area
* board memory base 0x400000 data 16kbyte
*/
ed_winsel_CNET98(sc, 0x4000);
error = ed_clear_memory(dev);
if (error)
return (error);
sc->mem_shared = 1;
sc->mem_end = sc->mem_start + sc->mem_size;
sc->txb_cnt = 1; /* XXX */
sc->tx_page_start = 0;
sc->rec_page_start = sc->tx_page_start + ED_TXBUF_SIZE;
sc->rec_page_stop = sc->tx_page_start + sc->mem_size / ED_PAGE_SIZE;
sc->mem_ring = sc->mem_start + ED_PAGE_SIZE * ED_TXBUF_SIZE;
/*
* Set interrupt level
*/
error = bus_get_resource(dev, SYS_RES_IRQ, 0, &conf_irq, &junk);
if (error)
return (error);
switch (conf_irq) {
case 3:
tmp = ED_CNET98_INT_IRQ3;
break;
case 5:
tmp = ED_CNET98_INT_IRQ5;
break;
case 6:
tmp = ED_CNET98_INT_IRQ6;
break;
case 9:
tmp = ED_CNET98_INT_IRQ9;
break;
case 12:
tmp = ED_CNET98_INT_IRQ12;
break;
case 13:
tmp = ED_CNET98_INT_IRQ13;
break;
default:
device_printf(dev, "Invalid irq configuration (%ld) must be "
"%s for %s\n", conf_irq, "3,5,6,9,12,13", "CNET98");
return (ENXIO);
}
ed_asic_outb(sc, ED_CNET98_INT_LEV, tmp);
DELAY(1000);
/*
* Set interrupt mask.
* bit7:1 all interrupt mask
* bit1:1 timer interrupt mask
* bit0:0 NS controler interrupt enable
*/
ed_asic_outb(sc, ED_CNET98_INT_MASK, 0x7e);
DELAY(1000);
sc->sc_write_mbufs = ed_shmem_write_mbufs;
return (0);
}
/*
* Probe and vendor-specific initialization routine for C-NET(98)E/L boards
*/
static int
ed_probe_CNET98EL(device_t dev, int port_rid, int flags)
{
struct ed_softc *sc = device_get_softc(dev);
int error;
int i;
u_char romdata[ETHER_ADDR_LEN * 2], tmp;
u_long conf_irq, junk;
error = ed98_alloc_port(dev, port_rid);
if (error)
return (error);
sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
sc->nic_offset = ED_NOVELL_NIC_OFFSET;
/* Check I/O address. 0x[0-f]3d0 are allowed. */
if ((rman_get_start(sc->port_res) & 0x0fff) != 0x03d0) {
#ifdef DIAGNOSTIC
device_printf(dev, "Invalid i/o port configuration (0x%lx) "
"must be %s for %s\n", rman_get_start(sc->port_res),
"0x?3d0", "CNET98E/L");
#endif
return (ENXIO);
}
/* Reset the board */
ed_reset_CNET98(sc, flags);
/*
* 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
*/
ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
DELAY(5000);
/* Make sure that we really have an 8390 based board */
if (!ed98_probe_generic8390(sc))
return (ENXIO);
/* Test memory via PIO */
sc->cr_proto = ED_CR_RD2;
if (!ed_pio_testmem(sc, ED_CNET98EL_PAGE_OFFSET, 1, flags))
return (ENXIO);
/* This looks like a C-NET(98)E/L board. */
sc->type_str = "CNET98E/L";
/*
* Set IRQ. C-NET(98)E/L only allows a choice of irq 3,5,6.
*/
error = bus_get_resource(dev, SYS_RES_IRQ, 0, &conf_irq, &junk);
if (error)
return (error);
switch (conf_irq) {
case 3:
tmp = ED_CNET98EL_ICR_IRQ3;
break;
case 5:
tmp = ED_CNET98EL_ICR_IRQ5;
break;
case 6:
tmp = ED_CNET98EL_ICR_IRQ6;
break;
#if 0
case 12:
tmp = ED_CNET98EL_ICR_IRQ12;
break;
#endif
default:
device_printf(dev, "Invalid irq configuration (%ld) must be "
"%s for %s\n", conf_irq, "3,5,6", "CNET98E/L");
return (ENXIO);
}
ed_asic_outb(sc, ED_CNET98EL_ICR, tmp);
ed_asic_outb(sc, ED_CNET98EL_IMR, 0x7e);
/* Get station address from on-board ROM */
ed_pio_readmem(sc, 16384, romdata, sizeof(romdata));
for (i = 0; i < ETHER_ADDR_LEN; i++)
sc->enaddr[i] = romdata[i * 2];
/* clear any pending interrupts that might have occurred above */
ed_nic_outb(sc, ED_P0_ISR, 0xff);
sc->sc_write_mbufs = ed_pio_write_mbufs;
return (0);
}
/*
* Probe and vendor-specific initialization routine for PC-9801-77 boards
*/
static int
ed_probe_NEC77(device_t dev, int port_rid, int flags)
{
struct ed_softc *sc = device_get_softc(dev);
int error;
u_char tmp;
u_long conf_irq, junk;
error = ed98_probe_Novell(dev, port_rid, flags);
if (error)
return (error);
/* LA/T-98 does not need IRQ setting. */
if (ED_TYPE98SUB(flags) == 0)
return (0);
/*
* Set IRQ. PC-9801-77 only allows a choice of irq 3,5,6,12,13.
*/
error = bus_get_resource(dev, SYS_RES_IRQ, 0, &conf_irq, &junk);
if (error)
return (error);
switch (conf_irq) {
case 3:
tmp = ED_NEC77_IRQ3;
break;
case 5:
tmp = ED_NEC77_IRQ5;
break;
case 6:
tmp = ED_NEC77_IRQ6;
break;
case 12:
tmp = ED_NEC77_IRQ12;
break;
case 13:
tmp = ED_NEC77_IRQ13;
break;
default:
device_printf(dev, "Invalid irq configuration (%ld) must be "
"%s for %s\n", conf_irq, "3,5,6,12,13", "PC-9801-77");
return (ENXIO);
}
ed_asic_outb(sc, ED_NEC77_IRQ, tmp);
return (0);
}
/*
* Probe and vendor-specific initialization routine for EC/EP-98X boards
*/
static int
ed_probe_NW98X(device_t dev, int port_rid, int flags)
{
struct ed_softc *sc = device_get_softc(dev);
int error;
u_char tmp;
u_long conf_irq, junk;
error = ed98_probe_Novell(dev, port_rid, flags);
if (error)
return (error);
/* Networld 98X3 does not need IRQ setting. */
if (ED_TYPE98SUB(flags) == 0)
return (0);
/*
* Set IRQ. EC/EP-98X only allows a choice of irq 3,5,6,12,13.
*/
error = bus_get_resource(dev, SYS_RES_IRQ, 0, &conf_irq, &junk);
if (error)
return (error);
switch (conf_irq) {
case 3:
tmp = ED_NW98X_IRQ3;
break;
case 5:
tmp = ED_NW98X_IRQ5;
break;
case 6:
tmp = ED_NW98X_IRQ6;
break;
case 12:
tmp = ED_NW98X_IRQ12;
break;
case 13:
tmp = ED_NW98X_IRQ13;
break;
default:
device_printf(dev, "Invalid irq configuration (%ld) must be "
"%s for %s\n", conf_irq, "3,5,6,12,13", "EC/EP-98X");
return (ENXIO);
}
ed_asic_outb(sc, ED_NW98X_IRQ, tmp);
return (0);
}
/*
* Read SB-9801 station address from Serial Two-Wire EEPROM
*/
static void
ed_get_SB98(struct ed_softc *sc)
{
int i, j;
u_char mask, val;
/* enable EEPROM acceess */
ed_asic_outb(sc, ED_SB98_EEPENA, ED_SB98_EEPENA_ENABLE);
/* output start command */
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA | ED_SB98_EEP_SCL);
DELAY(ED_SB98_EEP_DELAY);
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SCL);
DELAY(ED_SB98_EEP_DELAY);
/* output address (7bit) */
for (mask = 0x40; mask != 0; mask >>= 1) {
val = 0;
if (ED_SB98_ADDRESS & mask)
val = ED_SB98_EEP_SDA;
ed_asic_outb(sc, ED_SB98_EEP, val);
DELAY(ED_SB98_EEP_DELAY);
ed_asic_outb(sc, ED_SB98_EEP, val | ED_SB98_EEP_SCL);
DELAY(ED_SB98_EEP_DELAY);
}
/* output READ command */
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_READ);
DELAY(ED_SB98_EEP_DELAY);
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_READ | ED_SB98_EEP_SCL);
DELAY(ED_SB98_EEP_DELAY);
/* read station address */
for (i = 0; i < ETHER_ADDR_LEN; i++) {
/* output ACK */
ed_asic_outb(sc, ED_SB98_EEP, 0);
DELAY(ED_SB98_EEP_DELAY);
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SCL);
DELAY(ED_SB98_EEP_DELAY);
val = 0;
for (j = 0; j < 8; j++) {
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA);
DELAY(ED_SB98_EEP_DELAY);
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA | ED_SB98_EEP_SCL);
DELAY(ED_SB98_EEP_DELAY);
val <<= 1;
val |= (ed_asic_inb(sc, ED_SB98_EEP) & ED_SB98_EEP_SDA);
DELAY(ED_SB98_EEP_DELAY);
}
sc->enaddr[i] = val;
}
/* output Last ACK */
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA);
DELAY(ED_SB98_EEP_DELAY);
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA | ED_SB98_EEP_SCL);
DELAY(ED_SB98_EEP_DELAY);
/* output stop command */
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SCL);
DELAY(ED_SB98_EEP_DELAY);
ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA | ED_SB98_EEP_SCL);
DELAY(ED_SB98_EEP_DELAY);
/* disable EEPROM access */
ed_asic_outb(sc, ED_SB98_EEPENA, ED_SB98_EEPENA_DISABLE);
}
/*
* Probe and vendor-specific initialization routine for SB-9801 boards
*/
static int
ed_probe_SB98(device_t dev, int port_rid, int flags)
{
struct ed_softc *sc = device_get_softc(dev);
int error;
u_char tmp;
u_long conf_irq, junk;
error = ed98_alloc_port(dev, port_rid);
if (error)
return (error);
sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
sc->nic_offset = ED_NOVELL_NIC_OFFSET;
/* Check I/O address. 00d[02468ace] are allowed. */
if ((rman_get_start(sc->port_res) & ~0x000e) != 0x00d0) {
#ifdef DIAGNOSTIC
device_printf(dev, "Invalid i/o port configuration (0x%lx) "
"must be %s for %s\n", rman_get_start(sc->port_res),
"0xd?", "SB9801");
#endif
return (ENXIO);
}
/* Write I/O port address and read 4 times */
outb(ED_SB98_IO_INHIBIT, rman_get_start(sc->port_res) & 0xff);
(void) inb(ED_SB98_IO_INHIBIT); DELAY(300);
(void) inb(ED_SB98_IO_INHIBIT); DELAY(300);
(void) inb(ED_SB98_IO_INHIBIT); DELAY(300);
(void) inb(ED_SB98_IO_INHIBIT); DELAY(300);
/*
* Check IRQ. Soliton SB-9801 only allows a choice of
* irq 3,5,6,12
*/
error = bus_get_resource(dev, SYS_RES_IRQ, 0, &conf_irq, &junk);
if (error)
return (error);
switch (conf_irq) {
case 3:
tmp = ED_SB98_CFG_IRQ3;
break;
case 5:
tmp = ED_SB98_CFG_IRQ5;
break;
case 6:
tmp = ED_SB98_CFG_IRQ6;
break;
case 12:
tmp = ED_SB98_CFG_IRQ12;
break;
default:
device_printf(dev, "Invalid irq configuration (%ld) must be "
"%s for %s\n", conf_irq, "3,5,6,12", "SB9801");
return (ENXIO);
}
if (flags & ED_FLAGS_DISABLE_TRANCEIVER)
tmp |= ED_SB98_CFG_ALTPORT;
ed_asic_outb(sc, ED_SB98_CFG, ED_SB98_CFG_ENABLE | tmp);
ed_asic_outb(sc, ED_SB98_POLARITY, 0x01);
/* Reset the board. */
ed_asic_outb(sc, ED_NOVELL_RESET, 0x7a);
DELAY(300);
ed_asic_outb(sc, ED_NOVELL_RESET, 0x79);
DELAY(300);
/*
* 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
*/
ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
DELAY(5000);
/* Make sure that we really have an 8390 based board */
if (!ed98_probe_generic8390(sc))
return (ENXIO);
/* Test memory via PIO */
sc->cr_proto = ED_CR_RD2;
if (!ed_pio_testmem(sc, 16384, 1, flags))
return (ENXIO);
/* This looks like an SB9801 board. */
sc->type_str = "SB9801";
/* Get station address */
ed_get_SB98(sc);
/* clear any pending interrupts that might have occurred above */
ed_nic_outb(sc, ED_P0_ISR, 0xff);
sc->sc_write_mbufs = ed_pio_write_mbufs;
return (0);
}
/*
* Test the ability to read and write to the NIC memory.
*/
static int
ed_pio_testmem(struct ed_softc *sc, int page_offset, int isa16bit, int flags)
{
u_long memsize;
static char test_pattern[32] = "THIS is A memory TEST pattern";
char test_buffer[32];
#ifdef DIAGNOSTIC
int page_end;
#endif
sc->vendor = ED_VENDOR_NOVELL;
sc->mem_shared = 0;
sc->isa16bit = isa16bit;
/* 8k of memory plus an additional 8k if 16bit */
memsize = (isa16bit ? 16384 : 8192);
/*
* This prevents packets from being stored in the NIC memory when the
* readmem routine turns on the start bit in the CR.
*/
ed_nic_outb(sc, ED_P0_RCR, ED_RCR_MON);
/* Initialize DCR for byte/word operations */
if (isa16bit)
ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS);
else
ed_nic_outb(sc, ED_P0_DCR, ED_DCR_FT1 | ED_DCR_LS);
ed_nic_outb(sc, ED_P0_PSTART, page_offset / ED_PAGE_SIZE);
ed_nic_outb(sc, ED_P0_PSTOP, (page_offset + memsize) / ED_PAGE_SIZE);
#ifdef ED_DEBUG
printf("ed?: ed_pio_testmem: page start=%x, end=%lx",
page_offset, page_offset + memsize);
#endif
/*
* Write a test pattern. If this fails, then we don't know
* what this board is.
*/
ed_pio_writemem(sc, test_pattern, page_offset, sizeof(test_pattern));
ed_pio_readmem(sc, page_offset, test_buffer, sizeof(test_pattern));
if (bcmp(test_pattern, test_buffer, sizeof(test_pattern))) {
#ifdef ED_DEBUG
printf("ed?: ed_pio_testmem: bcmp(page %x) NG", page_offset);
#endif
return (0);
}
#ifdef DIAGNOSTIC
/* Check the bottom. */
page_end = page_offset + memsize - ED_PAGE_SIZE;
ed_pio_writemem(sc, test_pattern, page_end, sizeof(test_pattern));
ed_pio_readmem(sc, page_end, test_buffer, sizeof(test_pattern));
if (bcmp(test_pattern, test_buffer, sizeof(test_pattern))) {
#ifdef ED_DEBUG
printf("ed?: ed_pio_testmem: bcmp(page %x) NG", page_end);
#endif
return (0);
}
#endif
sc->mem_size = memsize;
sc->mem_start = page_offset;
sc->mem_end = sc->mem_start + memsize;
sc->tx_page_start = page_offset / ED_PAGE_SIZE;
/*
* Use one xmit buffer if < 16k, two buffers otherwise (if not told
* otherwise).
*/
if ((memsize < 16384) || (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_SIZE;
sc->mem_ring = sc->mem_start + sc->txb_cnt * ED_PAGE_SIZE * ED_TXBUF_SIZE;
return (1);
}
static device_method_t ed_cbus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ed_cbus_probe),
DEVMETHOD(device_attach, ed_cbus_attach),
DEVMETHOD(device_detach, ed_detach),
{ 0, 0 }
};
static driver_t ed_cbus_driver = {
"ed",
ed_cbus_methods,
sizeof(struct ed_softc)
};
DRIVER_MODULE(ed, isa, ed_cbus_driver, ed_devclass, 0, 0);
MODULE_DEPEND(ed, isa, 1, 1, 1);
MODULE_DEPEND(ed, ether, 1, 1, 1);