324 lines
7.8 KiB
C
324 lines
7.8 KiB
C
/* $NetBSD: wd80x3.c,v 1.10 2008/12/14 18:46:33 christos Exp $ */
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/*-
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Device driver for National Semiconductor DS8390/WD83C690 based ethernet
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* adapters.
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*
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* Copyright (c) 1994, 1995 Charles M. Hannum. All rights reserved.
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*
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* Copyright (C) 1993, David Greenman. This software may be used, modified,
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* copied, distributed, and sold, in both source and binary form provided that
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* the above copyright and these terms are retained. Under no circumstances is
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* the author responsible for the proper functioning of this software, nor does
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* the author assume any responsibility for damages incurred with its use.
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*/
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/*
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* Device driver for the Western Digital/SMC 8003 and 8013 series,
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* and the SMC Elite Ultra (8216).
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*/
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#include <sys/types.h>
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#include <machine/pio.h>
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#include <lib/libsa/stand.h>
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#include <libi386.h>
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#ifdef _STANDALONE
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#include <lib/libkern/libkern.h>
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#include <bootinfo.h>
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#endif
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#include "etherdrv.h"
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#include <dev/ic/dp8390reg.h>
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#include "dp8390.h"
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#include <dev/ic/wereg.h>
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#ifndef BASEREG
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#define BASEREG 0x240
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#define BASEMEM 0xd0000
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#endif
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#define WD_BASEREG BASEREG
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#define WD_BASEMEM BASEMEM
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#ifndef _STANDALONE
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extern int mapio(void);
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#endif
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u_char eth_myaddr[6];
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static uint8_t we_type;
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static int we_is16bit;
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#ifdef _STANDALONE
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static struct btinfo_netif bi_netif;
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#endif
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const char *
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we_params(void)
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{
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const char *typestr;
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dp8390_memsize = 8192;
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we_type = inb(WD_BASEREG + WE_CARD_ID);
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switch (we_type) {
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#ifdef SUPPORT_WD80X3
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case WE_TYPE_WD8003S:
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typestr = "WD8003S";
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break;
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case WE_TYPE_WD8003E:
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typestr = "WD8003E";
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break;
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case WE_TYPE_WD8003EB:
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typestr = "WD8003EB";
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break;
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case WE_TYPE_WD8003W:
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typestr = "WD8003W";
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break;
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case WE_TYPE_WD8013EBT:
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typestr = "WD8013EBT";
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dp8390_memsize = 16384;
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we_is16bit = 1;
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break;
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case WE_TYPE_WD8013W:
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typestr = "WD8013W";
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dp8390_memsize = 16384;
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we_is16bit = 1;
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break;
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case WE_TYPE_WD8013EP: /* also WD8003EP */
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if (inb(WD_BASEREG + WE_ICR) & WE_ICR_16BIT) {
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we_is16bit = 1;
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dp8390_memsize = 16384;
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typestr = "WD8013EP";
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} else
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typestr = "WD8003EP";
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break;
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case WE_TYPE_WD8013WC:
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typestr = "WD8013WC";
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dp8390_memsize = 16384;
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we_is16bit = 1;
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break;
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case WE_TYPE_WD8013EBP:
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typestr = "WD8013EBP";
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dp8390_memsize = 16384;
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we_is16bit = 1;
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break;
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case WE_TYPE_WD8013EPC:
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typestr = "WD8013EPC";
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dp8390_memsize = 16384;
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we_is16bit = 1;
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break;
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#endif
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#ifdef SUPPORT_SMC_ULTRA
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case WE_TYPE_SMC8216C:
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case WE_TYPE_SMC8216T:
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{
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uint8_t hwr;
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typestr = (we_type == WE_TYPE_SMC8216C) ?
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"SMC8216/SMC8216C" : "SMC8216T";
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hwr = inb(WD_BASEREG + WE790_HWR);
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outb(WD_BASEREG + WE790_HWR, hwr | WE790_HWR_SWH);
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switch (inb(WD_BASEREG + WE790_RAR) & WE790_RAR_SZ64) {
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case WE790_RAR_SZ64:
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dp8390_memsize = 65536;
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break;
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case WE790_RAR_SZ32:
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dp8390_memsize = 32768;
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break;
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case WE790_RAR_SZ16:
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dp8390_memsize = 16384;
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break;
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case WE790_RAR_SZ8:
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/* 8216 has 16K shared mem -- 8416 has 8K */
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typestr = (we_type == WE_TYPE_SMC8216C) ?
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"SMC8416C/SMC8416BT" : "SMC8416T";
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dp8390_memsize = 8192;
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break;
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}
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outb(WD_BASEREG + WE790_HWR, hwr);
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we_is16bit = 1;
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#ifdef SUPPORT_WD80X3
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dp8390_is790 = 1;
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#endif
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break;
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}
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#endif
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default:
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/* Not one we recognize. */
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return NULL;
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}
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/*
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* Make some adjustments to initial values depending on what is
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* found in the ICR.
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*/
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if (we_is16bit && (we_type != WE_TYPE_WD8013EBT) &&
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(inb(WD_BASEREG + WE_ICR) & WE_ICR_16BIT) == 0) {
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we_is16bit = 0;
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dp8390_memsize = 8192;
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}
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#ifdef WE_DEBUG
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{
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int i;
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printf("we_params: type = 0x%x, typestr = %s, is16bit = %d, "
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"memsize = %d\n", we_type, typestr, we_is16bit, dp8390_memsize);
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for (i = 0; i < 8; i++)
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printf(" %d -> 0x%x\n", i,
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inb(WD_BASEREG + i));
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}
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#endif
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return typestr;
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}
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int
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EtherInit(unsigned char *myadr)
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{
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const char *typestr;
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uint8_t x;
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int i;
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uint8_t laar_proto;
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uint8_t msr_proto;
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dp8390_iobase = WD_BASEREG + WE_NIC_OFFSET;
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dp8390_membase = WD_BASEMEM;
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#ifndef _STANDALONE
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if (mapio()) {
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printf("no IO access\n");
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return 0;
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}
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#endif
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for (x = 0, i = 0; i < 8; i++)
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x += inb(WD_BASEREG + WE_PROM + i);
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if (x != WE_ROM_CHECKSUM_TOTAL)
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return 0;
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/* reset the ethernet card */
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outb(WD_BASEREG + WE_MSR, WE_MSR_RST);
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delay(100);
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outb(WD_BASEREG + WE_MSR, inb(WD_BASEREG + WE_MSR) & ~WE_MSR_RST);
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delay(5000);
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typestr = we_params();
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if (!typestr)
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return 0;
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printf("Using %s board, port 0x%x, iomem 0x%x, iosiz %d\n",
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typestr, WD_BASEREG, WD_BASEMEM, dp8390_memsize);
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/* get ethernet address */
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for (i = 0; i < 6; i++)
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eth_myaddr[i] = myadr[i]= inb(WD_BASEREG + WE_PROM + i);
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/*
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* Set upper address bits and 8/16 bit access to shared memory.
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*/
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if (dp8390_is790) {
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laar_proto = inb(WD_BASEREG + WE_LAAR) & ~WE_LAAR_M16EN;
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outb(WD_BASEREG + WE_LAAR, laar_proto |
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(we_is16bit ? WE_LAAR_M16EN : 0));
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} else if ((we_type & WE_SOFTCONFIG) ||
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(we_type == WE_TYPE_WD8013EBT)) {
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laar_proto = (WD_BASEMEM >> 19) & WE_LAAR_ADDRHI;
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if (we_is16bit)
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laar_proto |= WE_LAAR_L16EN;
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outb(WD_BASEREG + WE_LAAR, laar_proto |
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(we_is16bit ? WE_LAAR_M16EN : 0));
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}
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/*
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* Set address and enable interface shared memory.
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*/
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if (dp8390_is790) {
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/* XXX MAGIC CONSTANTS XXX */
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x = inb(WD_BASEREG + 0x04);
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outb(WD_BASEREG + 0x04, x | 0x80);
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outb(WD_BASEREG + 0x0b,
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((WD_BASEMEM >> 13) & 0x0f) |
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((WD_BASEMEM >> 11) & 0x40) |
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(inb(WD_BASEREG + 0x0b) & 0xb0));
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outb(WD_BASEREG + 0x04, x);
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msr_proto = 0x00;
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dp8390_cr_proto = 0x00;
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} else {
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msr_proto = (WD_BASEMEM >> 13) & WE_MSR_ADDR;
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dp8390_cr_proto = ED_CR_RD2;
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}
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outb(WD_BASEREG + WE_MSR, msr_proto | WE_MSR_MENB);
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delay(2);
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/*
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* DCR gets:
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*
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* FIFO threshold to 8, No auto-init Remote DMA,
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* byte order=80x86.
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*
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* 16-bit cards also get word-wide DMA transfers.
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*/
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dp8390_dcr_reg = ED_DCR_FT1 | ED_DCR_LS | (we_is16bit ? ED_DCR_WTS : 0);
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if (dp8390_config())
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return 0;
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#ifdef _STANDALONE
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strncpy(bi_netif.ifname, "we", sizeof(bi_netif.ifname));
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bi_netif.bus = BI_BUS_ISA;
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bi_netif.addr.iobase = WD_BASEREG;
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BI_ADD(&bi_netif, BTINFO_NETIF, sizeof(bi_netif));
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#endif
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return 1;
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}
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/*
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* Stop ethernet board
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*/
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void
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EtherStop(void) {
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/* stop dp8390, followed by a board reset */
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dp8390_stop();
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outb(WD_BASEREG + WE_MSR, WE_MSR_RST);
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outb(WD_BASEREG + WE_MSR, 0);
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}
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