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freebsd/sys/dev/ed/if_ed_cbus.c
Warner Losh 472dfd2aeb Cleanup resource allocation code a bit. Store the rids on the
resources rather than on the softc.  When we allocate resources for PC
Card, if we only get 16 ports, try again to get the others.
2009-04-20 01:19:59 +00:00

1630 lines
39 KiB
C

/*-
* 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.
*
* $FreeBSD$
*/
#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);