if_vx_pci.c revision 19410
1/* 2 * Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the author nor the names of any co-contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30 31#include "pci.h" 32#if NPCI > 0 33 34#include "vx.h" 35#if NVX > 0 36 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/kernel.h> 40#include <sys/socket.h> 41 42#include <net/if.h> 43 44#ifdef INET 45#include <netinet/in.h> 46#include <netinet/if_ether.h> 47#endif 48 49#ifdef NS 50#include <netns/ns.h> 51#include <netns/ns_if.h> 52#endif 53 54#include <machine/clock.h> 55 56#include <pci/pcivar.h> 57 58#include <dev/vx/if_vxreg.h> 59 60static void vx_pci_shutdown(int, void *); 61static char *vx_pci_probe(pcici_t, pcidi_t); 62static void vx_pci_attach(pcici_t, int unit); 63 64static void 65vx_pci_shutdown( 66 int howto, 67 void *sc) 68{ 69 vxstop(sc); 70 vxfree(sc); 71} 72 73static char* 74vx_pci_probe( 75 pcici_t config_id, 76 pcidi_t device_id) 77{ 78 if(device_id == 0x590010b7ul) 79 return "3COM 3C590 Etherlink III PCI"; 80 if(device_id == 0x595010b7ul || device_id == 0x595110b7ul || 81 device_id == 0x595210b7ul) 82 return "3COM 3C595 Fast Etherlink III PCI"; 83 if(device_id == 0x900010b7ul || device_id == 0x900110b7ul) 84 return "3COM 3C900 Etherlink XL PCI"; 85 if(device_id == 0x905010b7ul || device_id == 0x905110b7ul) 86 return "3COM 3C595 Fast Etherlink XL PCI"; 87 return NULL; 88} 89 90static void 91vx_pci_attach( 92 pcici_t config_id, 93 int unit) 94{ 95 struct vx_softc *sc; 96 97 if (unit >= NVX) { 98 printf("vx%d: not configured; kernel is built for only %d device%s.\n", 99 unit, NVX, NVX == 1 ? "" : "s"); 100 return; 101 } 102 103 sc = vxalloc(unit); 104 105 sc->vx_io_addr = pci_conf_read(config_id, 0x10) & 0xffffffe0; 106 107 if (vxattach(sc) == 0) { 108 return; 109 } 110 111 /* defect check for 3C590 */ 112 if ((pci_conf_read(config_id, 0) >> 16) == 0x5900) { 113 GO_WINDOW(0); 114 if (vxbusyeeprom(sc)) 115 return; 116 outw(BASE + VX_W0_EEPROM_COMMAND, EEPROM_CMD_RD | EEPROM_SOFT_INFO_2); 117 if (vxbusyeeprom(sc)) 118 return; 119 if (!(inw(BASE + VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY)) { 120 printf("Warning! Defective early revision adapter!\n"); 121 } 122 } 123 124 /* 125 * Add shutdown hook so that DMA is disabled prior to reboot. Not 126 * doing do could allow DMA to corrupt kernel memory during the 127 * reboot before the driver initializes. 128 */ 129 at_shutdown(vx_pci_shutdown, sc, SHUTDOWN_POST_SYNC); 130 131 pci_map_int(config_id, (void *) vxintr, (void *) sc, &net_imask); 132} 133 134static struct pci_device vxdevice = { 135 "vx", 136 vx_pci_probe, 137 vx_pci_attach, 138 &vx_count, 139 NULL 140}; 141 142DATA_SET (pcidevice_set, vxdevice); 143 144#endif /* NVX */ 145#endif /* NPCI */ 146