1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * INET An implementation of the TCP/IP protocol suite for the LINUX 4 * operating system. INET is implemented using the BSD Socket 5 * interface as the means of communication with the user level. 6 * 7 * Holds initial configuration information for devices. 8 * 9 * Version: @(#)Space.c 1.0.7 08/12/93 10 * 11 * Authors: Ross Biro 12 * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 13 * Donald J. Becker, <becker@scyld.com> 14 * 15 * Changelog: 16 * Stephen Hemminger (09/2003) 17 * - get rid of pre-linked dev list, dynamic device allocation 18 * Paul Gortmaker (03/2002) 19 * - struct init cleanup, enable multiple ISA autoprobes. 20 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 09/1999 21 * - fix sbni: s/device/net_device/ 22 * Paul Gortmaker (06/98): 23 * - sort probes in a sane way, make sure all (safe) probes 24 * get run once & failed autoprobes don't autoprobe again. 25 */ 26 #include <linux/netdevice.h> 27 #include <linux/etherdevice.h> 28 #include <linux/errno.h> 29 #include <linux/init.h> 30 #include <linux/netlink.h> 31 #include <net/Space.h> 32 33 /* A unified ethernet device probe. This is the easiest way to have every 34 * ethernet adaptor have the name "eth[0123...]". 35 */ 36 37 struct devprobe2 { 38 struct net_device *(*probe)(int unit); 39 int status; /* non-zero if autoprobe has failed */ 40 }; 41 42 static int __init probe_list2(int unit, struct devprobe2 *p, int autoprobe) 43 { 44 struct net_device *dev; 45 46 for (; p->probe; p++) { 47 if (autoprobe && p->status) 48 continue; 49 dev = p->probe(unit); 50 if (!IS_ERR(dev)) 51 return 0; 52 if (autoprobe) 53 p->status = PTR_ERR(dev); 54 } 55 return -ENODEV; 56 } 57 58 /* ISA probes that touch addresses < 0x400 (including those that also 59 * look for EISA/PCI cards in addition to ISA cards). 60 */ 61 static struct devprobe2 isa_probes[] __initdata = { 62 #ifdef CONFIG_3C515 63 {tc515_probe, 0}, 64 #endif 65 #ifdef CONFIG_ULTRA 66 {ultra_probe, 0}, 67 #endif 68 #ifdef CONFIG_WD80x3 69 {wd_probe, 0}, 70 #endif 71 #if defined(CONFIG_NE2000) /* ISA (use ne2k-pci for PCI cards) */ 72 {ne_probe, 0}, 73 #endif 74 #ifdef CONFIG_LANCE /* ISA/VLB (use pcnet32 for PCI cards) */ 75 {lance_probe, 0}, 76 #endif 77 #ifdef CONFIG_SMC9194 78 {smc_init, 0}, 79 #endif 80 #ifdef CONFIG_CS89x0 81 #ifndef CONFIG_CS89x0_PLATFORM 82 {cs89x0_probe, 0}, 83 #endif 84 #endif 85 #if defined(CONFIG_MVME16x_NET) || defined(CONFIG_BVME6000_NET) /* Intel */ 86 {i82596_probe, 0}, /* I82596 */ 87 #endif 88 #ifdef CONFIG_NI65 89 {ni65_probe, 0}, 90 #endif 91 {NULL, 0}, 92 }; 93 94 static struct devprobe2 m68k_probes[] __initdata = { 95 #ifdef CONFIG_ATARILANCE /* Lance-based Atari ethernet boards */ 96 {atarilance_probe, 0}, 97 #endif 98 #ifdef CONFIG_SUN3LANCE /* sun3 onboard Lance chip */ 99 {sun3lance_probe, 0}, 100 #endif 101 #ifdef CONFIG_SUN3_82586 /* sun3 onboard Intel 82586 chip */ 102 {sun3_82586_probe, 0}, 103 #endif 104 #ifdef CONFIG_APNE /* A1200 PCMCIA NE2000 */ 105 {apne_probe, 0}, 106 #endif 107 #ifdef CONFIG_MVME147_NET /* MVME147 internal Ethernet */ 108 {mvme147lance_probe, 0}, 109 #endif 110 {NULL, 0}, 111 }; 112 113 /* Unified ethernet device probe, segmented per architecture and 114 * per bus interface. This drives the legacy devices only for now. 115 */ 116 117 static void __init ethif_probe2(int unit) 118 { 119 unsigned long base_addr = netdev_boot_base("eth", unit); 120 121 if (base_addr == 1) 122 return; 123 124 (void)(probe_list2(unit, m68k_probes, base_addr == 0) && 125 probe_list2(unit, isa_probes, base_addr == 0)); 126 } 127 128 /* Statically configured drivers -- order matters here. */ 129 static int __init net_olddevs_init(void) 130 { 131 int num; 132 133 #ifdef CONFIG_SBNI 134 for (num = 0; num < 8; ++num) 135 sbni_probe(num); 136 #endif 137 for (num = 0; num < 8; ++num) 138 ethif_probe2(num); 139 140 #ifdef CONFIG_COPS 141 cops_probe(0); 142 cops_probe(1); 143 cops_probe(2); 144 #endif 145 #ifdef CONFIG_LTPC 146 ltpc_probe(); 147 #endif 148 149 return 0; 150 } 151 152 device_initcall(net_olddevs_init); 153