ef58e744a3
- Add a mutex to the softc to protect the softc and device hardware. - Use a private watchdog timer. - Setup interrupt handler after ether_ifattach(). - Use bus_foo() rather than bus_space_foo() and remove bus space tag and handle from softc. Tested by: imp
338 lines
8.2 KiB
C
338 lines
8.2 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#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 <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(driver_t *, device_t);
|
|
static int ex_isa_probe(device_t);
|
|
static int ex_isa_attach(device_t);
|
|
|
|
static int ex_look_for_card(struct ex_softc *);
|
|
|
|
#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_isa_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_identify, ex_isa_identify),
|
|
DEVMETHOD(device_probe, ex_isa_probe),
|
|
DEVMETHOD(device_attach, ex_isa_attach),
|
|
DEVMETHOD(device_detach, ex_detach),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ex_isa_driver = {
|
|
"ex",
|
|
ex_isa_methods,
|
|
sizeof(struct ex_softc),
|
|
};
|
|
|
|
DRIVER_MODULE(ex, isa, ex_isa_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 uint8_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;
|
|
bus_addr_t ioport;
|
|
u_char enaddr[6];
|
|
u_int irq;
|
|
int tmp;
|
|
const char * desc;
|
|
struct ex_softc sc;
|
|
int rid;
|
|
|
|
if (bootverbose)
|
|
printf("ex_isa_identify()\n");
|
|
|
|
for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
|
|
rid = 0;
|
|
sc.ioport = bus_alloc_resource(parent, SYS_RES_IOPORT, &rid,
|
|
ioport, ioport, 0x10, RF_ACTIVE);
|
|
if (sc.ioport == NULL)
|
|
continue;
|
|
|
|
/* No board found at address */
|
|
if (!ex_look_for_card(&sc)) {
|
|
bus_release_resource(parent, SYS_RES_IOPORT, rid,
|
|
sc.ioport);
|
|
continue;
|
|
}
|
|
|
|
if (bootverbose)
|
|
printf("ex: Found card at 0x%03lx!\n", (unsigned long)ioport);
|
|
|
|
/* Board in PnP mode */
|
|
if (ex_eeprom_read(&sc, EE_W0) & EE_W0_PNP) {
|
|
/* Reset the card. */
|
|
CSR_WRITE_1(&sc, CMD_REG, Reset_CMD);
|
|
DELAY(500);
|
|
if (bootverbose)
|
|
printf("ex: card at 0x%03lx in PnP mode!\n", (unsigned long)ioport);
|
|
bus_release_resource(parent, SYS_RES_IOPORT, rid,
|
|
sc.ioport);
|
|
continue;
|
|
}
|
|
|
|
bzero(enaddr, sizeof(enaddr));
|
|
|
|
/* Reset the card. */
|
|
CSR_WRITE_1(&sc, CMD_REG, Reset_CMD);
|
|
DELAY(400);
|
|
|
|
ex_get_address(&sc, enaddr);
|
|
tmp = ex_eeprom_read(&sc, 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";
|
|
}
|
|
|
|
bus_release_resource(parent, SYS_RES_IOPORT, rid, sc.ioport);
|
|
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%03lx, irq %d\n",
|
|
(unsigned long)ioport, irq);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static int
|
|
ex_isa_probe(device_t dev)
|
|
{
|
|
bus_addr_t iobase;
|
|
u_int irq;
|
|
char * irq2ee;
|
|
u_char * ee2irq;
|
|
u_char enaddr[6];
|
|
int tmp;
|
|
int error;
|
|
struct ex_softc *sc = device_get_softc(dev);
|
|
|
|
/* 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);
|
|
|
|
error = ex_alloc_resources(dev);
|
|
if (error != 0)
|
|
goto bad;
|
|
iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
|
|
if (!ex_look_for_card(sc)) {
|
|
if (bootverbose)
|
|
printf("ex: no card found at 0x%03lx.\n", (unsigned long)iobase);
|
|
error = ENXIO;
|
|
goto bad;
|
|
}
|
|
if (bootverbose)
|
|
printf("ex: ex_isa_probe() found card at 0x%03lx\n", (unsigned long)iobase);
|
|
|
|
/*
|
|
* Reset the card.
|
|
*/
|
|
CSR_WRITE_1(sc, CMD_REG, Reset_CMD);
|
|
DELAY(800);
|
|
|
|
ex_get_address(sc, 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 = ex_eeprom_read(sc, 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");
|
|
error = ENXIO;
|
|
}
|
|
|
|
bad:;
|
|
ex_release_resources(dev);
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
ex_isa_attach(device_t dev)
|
|
{
|
|
struct ex_softc * sc = device_get_softc(dev);
|
|
int error = 0;
|
|
uint16_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->irq_no = rman_get_start(sc->irq);
|
|
|
|
ex_get_address(sc, sc->enaddr);
|
|
|
|
temp = ex_eeprom_read(sc, 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 = ex_eeprom_read(sc, 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;
|
|
}
|
|
|
|
return(0);
|
|
bad:
|
|
ex_release_resources(dev);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
ex_look_for_card(struct ex_softc *sc)
|
|
{
|
|
int count1, count2;
|
|
|
|
/*
|
|
* Check for the i82595 signature, and check that the round robin
|
|
* counter actually advances.
|
|
*/
|
|
if (((count1 = CSR_READ_1(sc, ID_REG)) & Id_Mask) != Id_Sig)
|
|
return(0);
|
|
count2 = CSR_READ_1(sc, ID_REG);
|
|
count2 = CSR_READ_1(sc, ID_REG);
|
|
count2 = CSR_READ_1(sc, ID_REG);
|
|
|
|
return((count2 & Counter_bits) == ((count1 + 0xc0) & Counter_bits));
|
|
}
|