1 /* 2 Ported to U-Boot by Christian Pellegrin <chri@ascensit.com> 3 4 Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and 5 eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world 6 are GPL, so this is, of course, GPL. 7 8 ========================================================================== 9 10 dev/if_dp83902a.c 11 12 Ethernet device driver for NS DP83902a ethernet controller 13 14 ========================================================================== 15 ####ECOSGPLCOPYRIGHTBEGIN#### 16 ------------------------------------------- 17 This file is part of eCos, the Embedded Configurable Operating System. 18 Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. 19 20 eCos is free software; you can redistribute it and/or modify it under 21 the terms of the GNU General Public License as published by the Free 22 Software Foundation; either version 2 or (at your option) any later version. 23 24 eCos is distributed in the hope that it will be useful, but WITHOUT ANY 25 WARRANTY; without even the implied warranty of MERCHANTABILITY or 26 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 27 for more details. 28 29 You should have received a copy of the GNU General Public License along 30 with eCos; if not, write to the Free Software Foundation, Inc., 31 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 32 33 As a special exception, if other files instantiate templates or use macros 34 or inline functions from this file, or you compile this file and link it 35 with other works to produce a work based on this file, this file does not 36 by itself cause the resulting work to be covered by the GNU General Public 37 License. However the source code for this file must still be made available 38 in accordance with section (3) of the GNU General Public License. 39 40 This exception does not invalidate any other reasons why a work based on 41 this file might be covered by the GNU General Public License. 42 43 Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. 44 at http://sources.redhat.com/ecos/ecos-license/ 45 ------------------------------------------- 46 ####ECOSGPLCOPYRIGHTEND#### 47 ####BSDCOPYRIGHTBEGIN#### 48 49 ------------------------------------------- 50 51 Portions of this software may have been derived from OpenBSD or other sources, 52 and are covered by the appropriate copyright disclaimers included herein. 53 54 ------------------------------------------- 55 56 ####BSDCOPYRIGHTEND#### 57 ========================================================================== 58 #####DESCRIPTIONBEGIN#### 59 60 Author(s): gthomas 61 Contributors: gthomas, jskov, rsandifo 62 Date: 2001-06-13 63 Purpose: 64 Description: 65 66 FIXME: Will fail if pinged with large packets (1520 bytes) 67 Add promisc config 68 Add SNMP 69 70 ####DESCRIPTIONEND#### 71 72 ========================================================================== 73 */ 74 75 #include <common.h> 76 #include <command.h> 77 78 /* NE2000 base header file */ 79 #include "ne2000_base.h" 80 81 #define mdelay(n) udelay((n)*1000) 82 /* find prom (taken from pc_net_cs.c from Linux) */ 83 84 #include "8390.h" 85 /* 86 typedef struct hw_info_t { 87 u_int offset; 88 u_char a0, a1, a2; 89 u_int flags; 90 } hw_info_t; 91 */ 92 #define DELAY_OUTPUT 0x01 93 #define HAS_MISC_REG 0x02 94 #define USE_BIG_BUF 0x04 95 #define HAS_IBM_MISC 0x08 96 #define IS_DL10019 0x10 97 #define IS_DL10022 0x20 98 #define HAS_MII 0x40 99 #define USE_SHMEM 0x80 /* autodetected */ 100 101 #define AM79C9XX_HOME_PHY 0x00006B90 /* HomePNA PHY */ 102 #define AM79C9XX_ETH_PHY 0x00006B70 /* 10baseT PHY */ 103 #define MII_PHYID_REV_MASK 0xfffffff0 104 #define MII_PHYID_REG1 0x02 105 #define MII_PHYID_REG2 0x03 106 107 static hw_info_t hw_info[] = { 108 { /* Accton EN2212 */ 0x0ff0, 0x00, 0x00, 0xe8, DELAY_OUTPUT }, 109 { /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 }, 110 { /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 }, 111 { /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94, 112 DELAY_OUTPUT | HAS_IBM_MISC }, 113 { /* Danpex EN-6200P2 */ 0x0110, 0x00, 0x40, 0xc7, 0 }, 114 { /* DataTrek NetCard */ 0x0ff0, 0x00, 0x20, 0xe8, 0 }, 115 { /* Dayna CommuniCard E */ 0x0110, 0x00, 0x80, 0x19, 0 }, 116 { /* D-Link DE-650 */ 0x0040, 0x00, 0x80, 0xc8, 0 }, 117 { /* EP-210 Ethernet */ 0x0110, 0x00, 0x40, 0x33, 0 }, 118 { /* EP4000 Ethernet */ 0x01c0, 0x00, 0x00, 0xb4, 0 }, 119 { /* Epson EEN10B */ 0x0ff0, 0x00, 0x00, 0x48, 120 HAS_MISC_REG | HAS_IBM_MISC }, 121 { /* ELECOM Laneed LD-CDWA */ 0xb8, 0x08, 0x00, 0x42, 0 }, 122 { /* Hypertec Ethernet */ 0x01c0, 0x00, 0x40, 0x4c, 0 }, 123 { /* IBM CCAE */ 0x0ff0, 0x08, 0x00, 0x5a, 124 HAS_MISC_REG | HAS_IBM_MISC }, 125 { /* IBM CCAE */ 0x0ff0, 0x00, 0x04, 0xac, 126 HAS_MISC_REG | HAS_IBM_MISC }, 127 { /* IBM CCAE */ 0x0ff0, 0x00, 0x06, 0x29, 128 HAS_MISC_REG | HAS_IBM_MISC }, 129 { /* IBM FME */ 0x0374, 0x08, 0x00, 0x5a, 130 HAS_MISC_REG | HAS_IBM_MISC }, 131 { /* IBM FME */ 0x0374, 0x00, 0x04, 0xac, 132 HAS_MISC_REG | HAS_IBM_MISC }, 133 { /* Kansai KLA-PCM/T */ 0x0ff0, 0x00, 0x60, 0x87, 134 HAS_MISC_REG | HAS_IBM_MISC }, 135 { /* NSC DP83903 */ 0x0374, 0x08, 0x00, 0x17, 136 HAS_MISC_REG | HAS_IBM_MISC }, 137 { /* NSC DP83903 */ 0x0374, 0x00, 0xc0, 0xa8, 138 HAS_MISC_REG | HAS_IBM_MISC }, 139 { /* NSC DP83903 */ 0x0374, 0x00, 0xa0, 0xb0, 140 HAS_MISC_REG | HAS_IBM_MISC }, 141 { /* NSC DP83903 */ 0x0198, 0x00, 0x20, 0xe0, 142 HAS_MISC_REG | HAS_IBM_MISC }, 143 { /* I-O DATA PCLA/T */ 0x0ff0, 0x00, 0xa0, 0xb0, 0 }, 144 { /* Katron PE-520 */ 0x0110, 0x00, 0x40, 0xf6, 0 }, 145 { /* Kingston KNE-PCM/x */ 0x0ff0, 0x00, 0xc0, 0xf0, 146 HAS_MISC_REG | HAS_IBM_MISC }, 147 { /* Kingston KNE-PCM/x */ 0x0ff0, 0xe2, 0x0c, 0x0f, 148 HAS_MISC_REG | HAS_IBM_MISC }, 149 { /* Kingston KNE-PC2 */ 0x0180, 0x00, 0xc0, 0xf0, 0 }, 150 { /* Maxtech PCN2000 */ 0x5000, 0x00, 0x00, 0xe8, 0 }, 151 { /* NDC Instant-Link */ 0x003a, 0x00, 0x80, 0xc6, 0 }, 152 { /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 }, 153 { /* Network General Sniffer */ 0x0ff0, 0x00, 0x00, 0x65, 154 HAS_MISC_REG | HAS_IBM_MISC }, 155 { /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45, 156 HAS_MISC_REG | HAS_IBM_MISC }, 157 { /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 }, 158 { /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 }, 159 { /* SCM Ethernet */ 0x0ff0, 0x00, 0x20, 0xcb, 0 }, 160 { /* Socket EA */ 0x4000, 0x00, 0xc0, 0x1b, 161 DELAY_OUTPUT | HAS_MISC_REG | USE_BIG_BUF }, 162 { /* Socket LP-E CF+ */ 0x01c0, 0x00, 0xc0, 0x1b, 0 }, 163 { /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 }, 164 { /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 }, 165 { /* NEC PC-9801N-J12 */ 0x0ff0, 0x00, 0x00, 0x4c, 0 }, 166 { /* PCMCIA Technology OEM */ 0x01c8, 0x00, 0xa0, 0x0c, 0 }, 167 { /* Qemu */ 0x0, 0x52, 0x54, 0x00, 0 }, 168 { /* RTL8019AS */ 0x0, 0x0, 0x18, 0x5f, 0 } 169 }; 170 171 #define NR_INFO (sizeof(hw_info)/sizeof(hw_info_t)) 172 173 #define PCNET_CMD 0x00 174 #define PCNET_DATAPORT 0x10 /* NatSemi-defined port window offset. */ 175 #define PCNET_RESET 0x1f /* Issue a read to reset, a write to clear. */ 176 #define PCNET_MISC 0x18 /* For IBM CCAE and Socket EA cards */ 177 178 static void pcnet_reset_8390(u8* addr) 179 { 180 int i, r; 181 182 n2k_outb(E8390_NODMA + E8390_PAGE0+E8390_STOP, E8390_CMD); 183 PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD)); 184 n2k_outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, E8390_CMD); 185 PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD)); 186 n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD); 187 PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD)); 188 n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD); 189 190 n2k_outb(n2k_inb(PCNET_RESET), PCNET_RESET); 191 192 for (i = 0; i < 100; i++) { 193 if ((r = (n2k_inb(EN0_ISR) & ENISR_RESET)) != 0) 194 break; 195 PRINTK("got %x in reset\n", r); 196 udelay(100); 197 } 198 n2k_outb(ENISR_RESET, EN0_ISR); /* Ack intr. */ 199 200 if (i == 100) 201 printf("pcnet_reset_8390() did not complete.\n"); 202 } /* pcnet_reset_8390 */ 203 204 int get_prom(u8* mac_addr, u8* base_addr) 205 { 206 u8 prom[32]; 207 int i, j; 208 struct { 209 u_char value, offset; 210 } program_seq[] = { 211 {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/ 212 {0x48, EN0_DCFG}, /* Set byte-wide (0x48) access. */ 213 {0x00, EN0_RCNTLO}, /* Clear the count regs. */ 214 {0x00, EN0_RCNTHI}, 215 {0x00, EN0_IMR}, /* Mask completion irq. */ 216 {0xFF, EN0_ISR}, 217 {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */ 218 {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */ 219 {32, EN0_RCNTLO}, 220 {0x00, EN0_RCNTHI}, 221 {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */ 222 {0x00, EN0_RSARHI}, 223 {E8390_RREAD+E8390_START, E8390_CMD}, 224 }; 225 226 PRINTK ("trying to get MAC via prom reading\n"); 227 228 pcnet_reset_8390 (base_addr); 229 230 mdelay (10); 231 232 for (i = 0; i < sizeof (program_seq) / sizeof (program_seq[0]); i++) 233 n2k_outb (program_seq[i].value, program_seq[i].offset); 234 235 PRINTK ("PROM:"); 236 for (i = 0; i < 32; i++) { 237 prom[i] = n2k_inb (PCNET_DATAPORT); 238 PRINTK (" %02x", prom[i]); 239 } 240 PRINTK ("\n"); 241 for (i = 0; i < NR_INFO; i++) { 242 if ((prom[0] == hw_info[i].a0) && 243 (prom[2] == hw_info[i].a1) && 244 (prom[4] == hw_info[i].a2)) { 245 PRINTK ("matched board %d\n", i); 246 break; 247 } 248 } 249 if ((i < NR_INFO) || ((prom[28] == 0x57) && (prom[30] == 0x57))) { 250 PRINTK ("on exit i is %d/%ld\n", i, NR_INFO); 251 PRINTK ("MAC address is "); 252 for (j = 0; j < 6; j++) { 253 mac_addr[j] = prom[j << 1]; 254 PRINTK ("%02x:", mac_addr[i]); 255 } 256 PRINTK ("\n"); 257 return (i < NR_INFO) ? i : 0; 258 } 259 return 0; 260 } 261