mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
315 lines
8.9 KiB
C
315 lines
8.9 KiB
C
/*-
|
|
* 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("$FreeBSD$");
|
|
|
|
#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>
|
|
|
|
static int ed_probe_gwether(device_t);
|
|
|
|
/*
|
|
* Probe and vendor-specific initialization routine for NE1000/2000 boards
|
|
*/
|
|
int
|
|
ed_probe_Novell_generic(device_t dev, int flags)
|
|
{
|
|
struct ed_softc *sc = device_get_softc(dev);
|
|
u_int memsize;
|
|
int error;
|
|
u_char tmp;
|
|
static char test_pattern[32] = "THIS is A memory TEST pattern";
|
|
char test_buffer[32];
|
|
|
|
/* Reset the board */
|
|
if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_GWETHER) {
|
|
ed_asic_outb(sc, ED_NOVELL_RESET, 0);
|
|
DELAY(200);
|
|
}
|
|
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
|
|
*/
|
|
ed_asic_outb(sc, ED_NOVELL_RESET, 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);
|
|
|
|
/* Make sure that we really have an 8390 based board */
|
|
if (!ed_probe_generic8390(sc))
|
|
return (ENXIO);
|
|
|
|
sc->vendor = ED_VENDOR_NOVELL;
|
|
sc->mem_shared = 0;
|
|
sc->cr_proto = ED_CR_RD2;
|
|
|
|
/*
|
|
* Test the ability to read and write to the NIC memory. This has the
|
|
* side affect of determining if this is an NE1000 or an NE2000.
|
|
*/
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/* Temporarily initialize DCR for byte operations */
|
|
ed_nic_outb(sc, ED_P0_DCR, ED_DCR_FT1 | ED_DCR_LS);
|
|
|
|
ed_nic_outb(sc, ED_P0_PSTART, 8192 / ED_PAGE_SIZE);
|
|
ed_nic_outb(sc, ED_P0_PSTOP, 16384 / ED_PAGE_SIZE);
|
|
|
|
/*
|
|
* Some devices identify themselves. Some of those devices
|
|
* can't handle being probed, so we allow forcing a mode. If
|
|
* these flags are set, force it, otherwise probe.
|
|
*/
|
|
if (flags & ED_FLAGS_FORCE_8BIT_MODE) {
|
|
sc->isa16bit = 0;
|
|
sc->type = ED_TYPE_NE1000;
|
|
sc->type_str = "NE1000";
|
|
} else if (flags & ED_FLAGS_FORCE_16BIT_MODE) {
|
|
sc->isa16bit = 1;
|
|
sc->type = ED_TYPE_NE2000;
|
|
sc->type_str = "NE2000";
|
|
ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS);
|
|
ed_nic_outb(sc, ED_P0_PSTART, 16384 / ED_PAGE_SIZE);
|
|
ed_nic_outb(sc, ED_P0_PSTOP, 32768 / ED_PAGE_SIZE);
|
|
} else {
|
|
/*
|
|
* Write a test pattern in byte mode. If this fails, then there
|
|
* probably isn't any memory at 8k - which likely means that the board
|
|
* is an NE2000.
|
|
*/
|
|
ed_pio_writemem(sc, test_pattern, 8192, sizeof(test_pattern));
|
|
ed_pio_readmem(sc, 8192, test_buffer, sizeof(test_pattern));
|
|
|
|
if (bcmp(test_pattern, test_buffer, sizeof(test_pattern)) == 0) {
|
|
sc->type = ED_TYPE_NE1000;
|
|
sc->type_str = "NE1000";
|
|
sc->isa16bit = 0;
|
|
} else {
|
|
/* Not an NE1000 - try NE2000 */
|
|
sc->isa16bit = 1;
|
|
ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS);
|
|
ed_nic_outb(sc, ED_P0_PSTART, 16384 / ED_PAGE_SIZE);
|
|
ed_nic_outb(sc, ED_P0_PSTOP, 32768 / ED_PAGE_SIZE);
|
|
/*
|
|
* Write a test pattern in word mode. If this also fails, then
|
|
* we don't know what this board is.
|
|
*/
|
|
ed_pio_writemem(sc, test_pattern, 16384, sizeof(test_pattern));
|
|
ed_pio_readmem(sc, 16384, test_buffer, sizeof(test_pattern));
|
|
if (bcmp(test_pattern, test_buffer, sizeof(test_pattern)) == 0) {
|
|
sc->type = ED_TYPE_NE2000;
|
|
sc->type_str = "NE2000";
|
|
} else {
|
|
return (ENXIO);
|
|
}
|
|
}
|
|
}
|
|
sc->chip_type = ED_CHIP_TYPE_DP8390;
|
|
|
|
/* 8k of memory plus an additional 8k if 16bit */
|
|
memsize = 8192 + sc->isa16bit * 8192;
|
|
sc->mem_size = memsize;
|
|
|
|
/* NIC memory doesn't start at zero on an NE board */
|
|
/* The start address is tied to the bus width */
|
|
sc->mem_start = 8192 + sc->isa16bit * 8192;
|
|
sc->mem_end = sc->mem_start + memsize;
|
|
sc->tx_page_start = memsize / ED_PAGE_SIZE;
|
|
|
|
if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_GWETHER) {
|
|
error = ed_probe_gwether(dev);
|
|
if (error)
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* 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;
|
|
/* 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);
|
|
}
|
|
|
|
int
|
|
ed_probe_Novell(device_t dev, int port_rid, int flags)
|
|
{
|
|
struct ed_softc *sc = device_get_softc(dev);
|
|
int error;
|
|
|
|
error = ed_alloc_port(dev, port_rid, ED_NOVELL_IO_PORTS);
|
|
if (error)
|
|
return (error);
|
|
|
|
sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
|
|
sc->nic_offset = ED_NOVELL_NIC_OFFSET;
|
|
|
|
return ed_probe_Novell_generic(dev, flags);
|
|
}
|
|
|
|
static int
|
|
ed_probe_gwether(device_t dev)
|
|
{
|
|
int x, i, msize = 0;
|
|
bus_size_t mstart = 0;
|
|
char pbuf0[ED_PAGE_SIZE], pbuf[ED_PAGE_SIZE], tbuf[ED_PAGE_SIZE];
|
|
struct ed_softc *sc = device_get_softc(dev);
|
|
|
|
for (i = 0; i < ED_PAGE_SIZE; i++)
|
|
pbuf0[i] = 0;
|
|
|
|
/* Clear all the memory. */
|
|
for (x = 1; x < 256; x++)
|
|
ed_pio_writemem(sc, pbuf0, x * 256, ED_PAGE_SIZE);
|
|
|
|
/* Search for the start of RAM. */
|
|
for (x = 1; x < 256; x++) {
|
|
ed_pio_readmem(sc, x * 256, tbuf, ED_PAGE_SIZE);
|
|
if (bcmp(pbuf0, tbuf, ED_PAGE_SIZE) == 0) {
|
|
for (i = 0; i < ED_PAGE_SIZE; i++)
|
|
pbuf[i] = 255 - x;
|
|
ed_pio_writemem(sc, pbuf, x * 256, ED_PAGE_SIZE);
|
|
ed_pio_readmem(sc, x * 256, tbuf, ED_PAGE_SIZE);
|
|
if (bcmp(pbuf, tbuf, ED_PAGE_SIZE) == 0) {
|
|
mstart = x * ED_PAGE_SIZE;
|
|
msize = ED_PAGE_SIZE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (mstart == 0) {
|
|
device_printf(dev, "Cannot find start of RAM.\n");
|
|
return (ENXIO);
|
|
}
|
|
|
|
/* Probe the size of RAM. */
|
|
for (x = (mstart / ED_PAGE_SIZE) + 1; x < 256; x++) {
|
|
ed_pio_readmem(sc, x * 256, tbuf, ED_PAGE_SIZE);
|
|
if (bcmp(pbuf0, tbuf, ED_PAGE_SIZE) == 0) {
|
|
for (i = 0; i < ED_PAGE_SIZE; i++)
|
|
pbuf[i] = 255 - x;
|
|
ed_pio_writemem(sc, pbuf, x * 256, ED_PAGE_SIZE);
|
|
ed_pio_readmem(sc, x * 256, tbuf, ED_PAGE_SIZE);
|
|
if (bcmp(pbuf, tbuf, ED_PAGE_SIZE) == 0)
|
|
msize += ED_PAGE_SIZE;
|
|
else {
|
|
break;
|
|
}
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (msize == 0) {
|
|
device_printf(dev,
|
|
"Cannot find any RAM, start : %d, x = %d.\n",
|
|
(int)mstart, x);
|
|
return (ENXIO);
|
|
}
|
|
if (bootverbose)
|
|
device_printf(dev,
|
|
"RAM start at %d, size : %d.\n", (int)mstart, msize);
|
|
|
|
sc->mem_size = msize;
|
|
sc->mem_start = mstart;
|
|
sc->mem_end = msize + mstart;
|
|
sc->tx_page_start = mstart / ED_PAGE_SIZE;
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
ed_Novell_read_mac(struct ed_softc *sc)
|
|
{
|
|
int n;
|
|
uint8_t romdata[16];
|
|
|
|
/*
|
|
* Most ne1000/ne2000 compatible cards have their MAC address
|
|
* located in the first few words of the address space. This seems
|
|
* universally true for ISA and PCI implementations, but PC Card
|
|
* devices seem to have more variance.
|
|
*/
|
|
ed_pio_readmem(sc, 0, romdata, 16);
|
|
for (n = 0; n < ETHER_ADDR_LEN; n++)
|
|
sc->enaddr[n] = romdata[n * (sc->isa16bit + 1)];
|
|
}
|