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/*-
* Copyright (c) 2005, M. Warner Losh
* All rights reserved.
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/ed/if_ed_wd80x3.c 190483 2009-03-28 04:56:56Z imp $");
#include "opt_ed.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/syslog.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_dl.h>
#include <net/if_mib.h>
#include <net/if_media.h>
#include <net/bpf.h>
#include <dev/ed/if_edreg.h>
#include <dev/ed/if_edvar.h>
/*
* Interrupt conversion table for WD/SMC ASIC/83C584
*/
static uint16_t ed_intr_val[] = {
9,
3,
5,
7,
10,
11,
15,
4
};
/*
* Interrupt conversion table for 83C790
*/
static uint16_t ed_790_intr_val[] = {
0,
9,
3,
5,
7,
10,
11,
15
};
/*
* Probe and vendor-specific initialization routine for SMC/WD80x3 boards
*/
int
ed_probe_WD80x3_generic(device_t dev, int flags, uint16_t *intr_vals[])
{
struct ed_softc *sc = device_get_softc(dev);
int error;
int i;
u_int memsize;
u_char iptr, isa16bit, sum, totalsum;
u_long irq, junk, pmem;
sc->chip_type = ED_CHIP_TYPE_DP8390;
if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_TOSH_ETHER) {
totalsum = ED_WD_ROM_CHECKSUM_TOTAL_TOSH_ETHER;
ed_asic_outb(sc, ED_WD_MSR, ED_WD_MSR_POW);
DELAY(10000);
}
else
totalsum = ED_WD_ROM_CHECKSUM_TOTAL;
/*
* Attempt to do a checksum over the station address PROM. If it
* fails, it's probably not a SMC/WD board. There is a problem with
* this, though: some clone WD boards don't pass the checksum test.
* Danpex boards for one.
*/
for (sum = 0, i = 0; i < 8; ++i)
sum += ed_asic_inb(sc, ED_WD_PROM + i);
if (sum != totalsum) {
/*
* Checksum is invalid. This often happens with cheap WD8003E
* clones. In this case, the checksum byte (the eighth byte)
* seems to always be zero.
*/
if (ed_asic_inb(sc, ED_WD_CARD_ID) != ED_TYPE_WD8003E ||
ed_asic_inb(sc, ED_WD_PROM + 7) != 0)
return (ENXIO);
}
/* reset card to force it into a known state. */
if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_TOSH_ETHER)
ed_asic_outb(sc, ED_WD_MSR, ED_WD_MSR_RST | ED_WD_MSR_POW);
else
ed_asic_outb(sc, ED_WD_MSR, ED_WD_MSR_RST);
DELAY(100);
ed_asic_outb(sc, ED_WD_MSR, ed_asic_inb(sc, ED_WD_MSR) & ~ED_WD_MSR_RST);
/* wait in the case this card is reading its EEROM */
DELAY(5000);
sc->vendor = ED_VENDOR_WD_SMC;
sc->type = ed_asic_inb(sc, ED_WD_CARD_ID);
/*
* Set initial values for width/size.
*/
memsize = 8192;
isa16bit = 0;
switch (sc->type) {
case ED_TYPE_WD8003S:
sc->type_str = "WD8003S";
break;
case ED_TYPE_WD8003E:
sc->type_str = "WD8003E";
break;
case ED_TYPE_WD8003EB:
sc->type_str = "WD8003EB";
break;
case ED_TYPE_WD8003W:
sc->type_str = "WD8003W";
break;
case ED_TYPE_WD8013EBT:
sc->type_str = "WD8013EBT";
memsize = 16384;
isa16bit = 1;
break;
case ED_TYPE_WD8013W:
sc->type_str = "WD8013W";
memsize = 16384;
isa16bit = 1;
break;
case ED_TYPE_WD8013EP: /* also WD8003EP */
if (ed_asic_inb(sc, ED_WD_ICR) & ED_WD_ICR_16BIT) {
isa16bit = 1;
memsize = 16384;
sc->type_str = "WD8013EP";
} else
sc->type_str = "WD8003EP";
break;
case ED_TYPE_WD8013WC:
sc->type_str = "WD8013WC";
memsize = 16384;
isa16bit = 1;
break;
case ED_TYPE_WD8013EBP:
sc->type_str = "WD8013EBP";
memsize = 16384;
isa16bit = 1;
break;
case ED_TYPE_WD8013EPC:
sc->type_str = "WD8013EPC";
memsize = 16384;
isa16bit = 1;
break;
case ED_TYPE_SMC8216C: /* 8216 has 16K shared mem -- 8416 has 8K */
case ED_TYPE_SMC8216T:
if (sc->type == ED_TYPE_SMC8216C)
sc->type_str = "SMC8216/SMC8216C";
else
sc->type_str = "SMC8216T";
ed_asic_outb(sc, ED_WD790_HWR,
ed_asic_inb(sc, ED_WD790_HWR) | ED_WD790_HWR_SWH);
switch (ed_asic_inb(sc, ED_WD790_RAR) & ED_WD790_RAR_SZ64) {
case ED_WD790_RAR_SZ64:
memsize = 65536;
break;
case ED_WD790_RAR_SZ32:
memsize = 32768;
break;
case ED_WD790_RAR_SZ16:
memsize = 16384;
break;
case ED_WD790_RAR_SZ8:
/* 8216 has 16K shared mem -- 8416 has 8K */
if (sc->type == ED_TYPE_SMC8216C)
sc->type_str = "SMC8416C/SMC8416BT";
else
sc->type_str = "SMC8416T";
memsize = 8192;
break;
}
ed_asic_outb(sc, ED_WD790_HWR,
ed_asic_inb(sc, ED_WD790_HWR) & ~ED_WD790_HWR_SWH);
isa16bit = 1;
sc->chip_type = ED_CHIP_TYPE_WD790;
break;
case ED_TYPE_TOSHIBA1:
sc->type_str = "Toshiba1";
memsize = 32768;
isa16bit = 1;
break;
case ED_TYPE_TOSHIBA4:
sc->type_str = "Toshiba4";
memsize = 32768;
isa16bit = 1;
break;
default:
sc->type_str = "";
break;
}
/*
* Make some adjustments to initial values depending on what is found
* in the ICR.
*/
if (isa16bit && (sc->type != ED_TYPE_WD8013EBT)
&& (sc->type != ED_TYPE_TOSHIBA1) && (sc->type != ED_TYPE_TOSHIBA4)
&& ((ed_asic_inb(sc, ED_WD_ICR) & ED_WD_ICR_16BIT) == 0)) {
isa16bit = 0;
memsize = 8192;
}
/* Override memsize? XXX */
error = ed_alloc_memory(dev, 0, memsize);
if (error)
return (error);
sc->mem_start = 0;
#ifdef ED_DEBUG
printf("type = %x type_str=%s isa16bit=%d memsize=%d id_msize=%lu\n",
sc->type, sc->type_str, isa16bit, memsize,
rman_get_size(sc->mem_res));
for (i = 0; i < 8; i++)
printf("%x -> %x\n", i, ed_asic_inb(sc, i));
#endif
pmem = rman_get_start(sc->mem_res);
if (!(flags & ED_FLAGS_PCCARD)) {
error = ed_isa_mem_ok(dev, pmem, memsize);
if (error)
return (error);
}
/*
* (note that if the user specifies both of the following flags that
* '8bit' mode intentionally has precedence)
*/
if (flags & ED_FLAGS_FORCE_16BIT_MODE)
isa16bit = 1;
if (flags & ED_FLAGS_FORCE_8BIT_MODE)
isa16bit = 0;
/*
* If possible, get the assigned interrupt number from the card and
* use it.
*/
if ((sc->type & ED_WD_SOFTCONFIG) &&
(sc->chip_type != ED_CHIP_TYPE_WD790)) {
/*
* Assemble together the encoded interrupt number.
*/
iptr = (ed_asic_inb(sc, ED_WD_ICR) & ED_WD_ICR_IR2) |
((ed_asic_inb(sc, ED_WD_IRR) &
(ED_WD_IRR_IR0 | ED_WD_IRR_IR1)) >> 5);
/*
* If no interrupt specified (or "?"), use what the board tells us.
*/
error = bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, &junk);
if (error && intr_vals[0] != NULL)
error = bus_set_resource(dev, SYS_RES_IRQ, 0,
intr_vals[0][iptr], 1);
if (error)
return (error);
/*
* Enable the interrupt.
*/
ed_asic_outb(sc, ED_WD_IRR,
ed_asic_inb(sc, ED_WD_IRR) | ED_WD_IRR_IEN);
}
if (sc->chip_type == ED_CHIP_TYPE_WD790) {
ed_asic_outb(sc, ED_WD790_HWR,
ed_asic_inb(sc, ED_WD790_HWR) | ED_WD790_HWR_SWH);
iptr = (((ed_asic_inb(sc, ED_WD790_GCR) & ED_WD790_GCR_IR2) >> 4) |
(ed_asic_inb(sc, ED_WD790_GCR) &
(ED_WD790_GCR_IR1 | ED_WD790_GCR_IR0)) >> 2);
ed_asic_outb(sc, ED_WD790_HWR,
ed_asic_inb(sc, ED_WD790_HWR) & ~ED_WD790_HWR_SWH);
/*
* If no interrupt specified (or "?"), use what the board tells us.
*/
error = bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, &junk);
if (error && intr_vals[1] != NULL)
error = bus_set_resource(dev, SYS_RES_IRQ, 0,
intr_vals[1][iptr], 1);
if (error)
return (error);
/*
* Enable interrupts.
*/
ed_asic_outb(sc, ED_WD790_ICR,
ed_asic_inb(sc, ED_WD790_ICR) | ED_WD790_ICR_EIL);
}
error = bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, &junk);
if (error) {
device_printf(dev, "%s cards don't support auto-detected/assigned interrupts.\n",
sc->type_str);
return (ENXIO);
}
sc->isa16bit = isa16bit;
sc->mem_shared = 1;
/*
* allocate one xmit buffer if < 16k, two buffers otherwise
*/
if (memsize < 16384 || (flags & ED_FLAGS_NO_MULTI_BUFFERING))
sc->txb_cnt = 1;
else
sc->txb_cnt = 2;
sc->tx_page_start = ED_WD_PAGE_OFFSET;
sc->rec_page_start = ED_WD_PAGE_OFFSET + ED_TXBUF_SIZE * sc->txb_cnt;
sc->rec_page_stop = ED_WD_PAGE_OFFSET + memsize / ED_PAGE_SIZE;
sc->mem_ring = sc->mem_start + (ED_PAGE_SIZE * sc->rec_page_start);
sc->mem_size = memsize;
sc->mem_end = sc->mem_start + memsize;
/*
* Get station address from on-board ROM
*/
for (i = 0; i < ETHER_ADDR_LEN; ++i)
sc->enaddr[i] = ed_asic_inb(sc, ED_WD_PROM + i);
/*
* Set upper address bits and 8/16 bit access to shared memory.
*/
if (isa16bit) {
if (sc->chip_type == ED_CHIP_TYPE_WD790)
sc->wd_laar_proto = ed_asic_inb(sc, ED_WD_LAAR);
else
sc->wd_laar_proto = ED_WD_LAAR_L16EN |
((pmem >> 19) & ED_WD_LAAR_ADDRHI);
/*
* Enable 16bit access
*/
ed_asic_outb(sc, ED_WD_LAAR, sc->wd_laar_proto |
ED_WD_LAAR_M16EN);
} else {
if (((sc->type & ED_WD_SOFTCONFIG) ||
(sc->type == ED_TYPE_TOSHIBA1) ||
(sc->type == ED_TYPE_TOSHIBA4) ||
(sc->type == ED_TYPE_WD8013EBT)) &&
(sc->chip_type != ED_CHIP_TYPE_WD790)) {
sc->wd_laar_proto = (pmem >> 19) &
ED_WD_LAAR_ADDRHI;
ed_asic_outb(sc, ED_WD_LAAR, sc->wd_laar_proto);
}
}
/*
* Set address and enable interface shared memory.
*/
if (sc->chip_type != ED_CHIP_TYPE_WD790) {
if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_TOSH_ETHER) {
ed_asic_outb(sc, ED_WD_MSR + 1,
((pmem >> 8) & 0xe0) | 4);
ed_asic_outb(sc, ED_WD_MSR + 2, ((pmem >> 16) & 0x0f));
ed_asic_outb(sc, ED_WD_MSR,
ED_WD_MSR_MENB | ED_WD_MSR_POW);
} else {
ed_asic_outb(sc, ED_WD_MSR, ((pmem >> 13) &
ED_WD_MSR_ADDR) | ED_WD_MSR_MENB);
}
sc->cr_proto = ED_CR_RD2;
} else {
ed_asic_outb(sc, ED_WD_MSR, ED_WD_MSR_MENB);
ed_asic_outb(sc, ED_WD790_HWR,
(ed_asic_inb(sc, ED_WD790_HWR) | ED_WD790_HWR_SWH));
ed_asic_outb(sc, ED_WD790_RAR,
((pmem >> 13) & 0x0f) | ((pmem >> 11) & 0x40) |
(ed_asic_inb(sc, ED_WD790_RAR) & 0xb0));
ed_asic_outb(sc, ED_WD790_HWR,
(ed_asic_inb(sc, ED_WD790_HWR) & ~ED_WD790_HWR_SWH));
sc->cr_proto = 0;
}
/*
* Disable 16bit access to shared memory - we leave it
* disabled so that 1) machines reboot properly when the board
* is set 16 bit mode and there are conflicting 8bit
* devices/ROMS in the same 128k address space as this boards
* shared memory. and 2) so that other 8 bit devices with
* shared memory can be used in this 128k region, too.
*/
error = ed_clear_memory(dev);
ed_disable_16bit_access(sc);
sc->sc_write_mbufs = ed_shmem_write_mbufs;
return (error);
}
int
ed_probe_WD80x3(device_t dev, int port_rid, int flags)
{
struct ed_softc *sc = device_get_softc(dev);
int error;
static uint16_t *intr_vals[] = {ed_intr_val, ed_790_intr_val};
error = ed_alloc_port(dev, port_rid, ED_WD_IO_PORTS);
if (error)
return (error);
sc->asic_offset = ED_WD_ASIC_OFFSET;
sc->nic_offset = ED_WD_NIC_OFFSET;
return ed_probe_WD80x3_generic(dev, flags, intr_vals);
}