| /* | |
| Ported to U-Boot by Christian Pellegrin <chri@ascensit.com> | |
| Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and | |
| eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world | |
| are GPL, so this is, of course, GPL. | |
| ========================================================================== | |
| dev/if_dp83902a.c | |
| Ethernet device driver for NS DP83902a ethernet controller | |
| ========================================================================== | |
| ####ECOSGPLCOPYRIGHTBEGIN#### | |
| ------------------------------------------- | |
| This file is part of eCos, the Embedded Configurable Operating System. | |
| Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. | |
| eCos is free software; you can redistribute it and/or modify it under | |
| the terms of the GNU General Public License as published by the Free | |
| Software Foundation; either version 2 or (at your option) any later version. | |
| eCos is distributed in the hope that it will be useful, but WITHOUT ANY | |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| for more details. | |
| You should have received a copy of the GNU General Public License along | |
| with eCos; if not, write to the Free Software Foundation, Inc., | |
| 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
| As a special exception, if other files instantiate templates or use macros | |
| or inline functions from this file, or you compile this file and link it | |
| with other works to produce a work based on this file, this file does not | |
| by itself cause the resulting work to be covered by the GNU General Public | |
| License. However the source code for this file must still be made available | |
| in accordance with section (3) of the GNU General Public License. | |
| This exception does not invalidate any other reasons why a work based on | |
| this file might be covered by the GNU General Public License. | |
| Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. | |
| at http://sources.redhat.com/ecos/ecos-license/ | |
| ------------------------------------------- | |
| ####ECOSGPLCOPYRIGHTEND#### | |
| ####BSDCOPYRIGHTBEGIN#### | |
| ------------------------------------------- | |
| Portions of this software may have been derived from OpenBSD or other sources, | |
| and are covered by the appropriate copyright disclaimers included herein. | |
| ------------------------------------------- | |
| ####BSDCOPYRIGHTEND#### | |
| ========================================================================== | |
| #####DESCRIPTIONBEGIN#### | |
| Author(s): gthomas | |
| Contributors: gthomas, jskov, rsandifo | |
| Date: 2001-06-13 | |
| Purpose: | |
| Description: | |
| FIXME: Will fail if pinged with large packets (1520 bytes) | |
| Add promisc config | |
| Add SNMP | |
| ####DESCRIPTIONEND#### | |
| ========================================================================== | |
| */ | |
| #include <common.h> | |
| #include <command.h> | |
| /* NE2000 base header file */ | |
| #include "ne2000_base.h" | |
| /* find prom (taken from pc_net_cs.c from Linux) */ | |
| #include "8390.h" | |
| /* | |
| typedef struct hw_info_t { | |
| u_int offset; | |
| u_char a0, a1, a2; | |
| u_int flags; | |
| } hw_info_t; | |
| */ | |
| #define DELAY_OUTPUT 0x01 | |
| #define HAS_MISC_REG 0x02 | |
| #define USE_BIG_BUF 0x04 | |
| #define HAS_IBM_MISC 0x08 | |
| #define IS_DL10019 0x10 | |
| #define IS_DL10022 0x20 | |
| #define HAS_MII 0x40 | |
| #define USE_SHMEM 0x80 /* autodetected */ | |
| #define AM79C9XX_HOME_PHY 0x00006B90 /* HomePNA PHY */ | |
| #define AM79C9XX_ETH_PHY 0x00006B70 /* 10baseT PHY */ | |
| #define MII_PHYID_REV_MASK 0xfffffff0 | |
| #define MII_PHYID_REG1 0x02 | |
| #define MII_PHYID_REG2 0x03 | |
| static hw_info_t hw_info[] = { | |
| { /* Accton EN2212 */ 0x0ff0, 0x00, 0x00, 0xe8, DELAY_OUTPUT }, | |
| { /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 }, | |
| { /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 }, | |
| { /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94, | |
| DELAY_OUTPUT | HAS_IBM_MISC }, | |
| { /* Danpex EN-6200P2 */ 0x0110, 0x00, 0x40, 0xc7, 0 }, | |
| { /* DataTrek NetCard */ 0x0ff0, 0x00, 0x20, 0xe8, 0 }, | |
| { /* Dayna CommuniCard E */ 0x0110, 0x00, 0x80, 0x19, 0 }, | |
| { /* D-Link DE-650 */ 0x0040, 0x00, 0x80, 0xc8, 0 }, | |
| { /* EP-210 Ethernet */ 0x0110, 0x00, 0x40, 0x33, 0 }, | |
| { /* EP4000 Ethernet */ 0x01c0, 0x00, 0x00, 0xb4, 0 }, | |
| { /* Epson EEN10B */ 0x0ff0, 0x00, 0x00, 0x48, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* ELECOM Laneed LD-CDWA */ 0xb8, 0x08, 0x00, 0x42, 0 }, | |
| { /* Hypertec Ethernet */ 0x01c0, 0x00, 0x40, 0x4c, 0 }, | |
| { /* IBM CCAE */ 0x0ff0, 0x08, 0x00, 0x5a, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* IBM CCAE */ 0x0ff0, 0x00, 0x04, 0xac, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* IBM CCAE */ 0x0ff0, 0x00, 0x06, 0x29, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* IBM FME */ 0x0374, 0x08, 0x00, 0x5a, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* IBM FME */ 0x0374, 0x00, 0x04, 0xac, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* Kansai KLA-PCM/T */ 0x0ff0, 0x00, 0x60, 0x87, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* NSC DP83903 */ 0x0374, 0x08, 0x00, 0x17, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* NSC DP83903 */ 0x0374, 0x00, 0xc0, 0xa8, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* NSC DP83903 */ 0x0374, 0x00, 0xa0, 0xb0, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* NSC DP83903 */ 0x0198, 0x00, 0x20, 0xe0, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* I-O DATA PCLA/T */ 0x0ff0, 0x00, 0xa0, 0xb0, 0 }, | |
| { /* Katron PE-520 */ 0x0110, 0x00, 0x40, 0xf6, 0 }, | |
| { /* Kingston KNE-PCM/x */ 0x0ff0, 0x00, 0xc0, 0xf0, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* Kingston KNE-PCM/x */ 0x0ff0, 0xe2, 0x0c, 0x0f, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* Kingston KNE-PC2 */ 0x0180, 0x00, 0xc0, 0xf0, 0 }, | |
| { /* Maxtech PCN2000 */ 0x5000, 0x00, 0x00, 0xe8, 0 }, | |
| { /* NDC Instant-Link */ 0x003a, 0x00, 0x80, 0xc6, 0 }, | |
| { /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 }, | |
| { /* Network General Sniffer */ 0x0ff0, 0x00, 0x00, 0x65, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45, | |
| HAS_MISC_REG | HAS_IBM_MISC }, | |
| { /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 }, | |
| { /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 }, | |
| { /* SCM Ethernet */ 0x0ff0, 0x00, 0x20, 0xcb, 0 }, | |
| { /* Socket EA */ 0x4000, 0x00, 0xc0, 0x1b, | |
| DELAY_OUTPUT | HAS_MISC_REG | USE_BIG_BUF }, | |
| { /* Socket LP-E CF+ */ 0x01c0, 0x00, 0xc0, 0x1b, 0 }, | |
| { /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 }, | |
| { /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 }, | |
| { /* NEC PC-9801N-J12 */ 0x0ff0, 0x00, 0x00, 0x4c, 0 }, | |
| { /* PCMCIA Technology OEM */ 0x01c8, 0x00, 0xa0, 0x0c, 0 }, | |
| { /* Qemu */ 0x0, 0x52, 0x54, 0x00, 0 }, | |
| { /* RTL8019AS */ 0x0, 0x0, 0x18, 0x5f, 0 } | |
| }; | |
| #define NR_INFO (sizeof(hw_info)/sizeof(hw_info_t)) | |
| #define PCNET_CMD 0x00 | |
| #define PCNET_DATAPORT 0x10 /* NatSemi-defined port window offset. */ | |
| #define PCNET_RESET 0x1f /* Issue a read to reset, a write to clear. */ | |
| #define PCNET_MISC 0x18 /* For IBM CCAE and Socket EA cards */ | |
| static void pcnet_reset_8390(u8* addr) | |
| { | |
| int i, r; | |
| n2k_outb(E8390_NODMA + E8390_PAGE0+E8390_STOP, E8390_CMD); | |
| PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD)); | |
| n2k_outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, E8390_CMD); | |
| PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD)); | |
| n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD); | |
| PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD)); | |
| n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD); | |
| n2k_outb(n2k_inb(PCNET_RESET), PCNET_RESET); | |
| for (i = 0; i < 100; i++) { | |
| if ((r = (n2k_inb(EN0_ISR) & ENISR_RESET)) != 0) | |
| break; | |
| PRINTK("got %x in reset\n", r); | |
| udelay(100); | |
| } | |
| n2k_outb(ENISR_RESET, EN0_ISR); /* Ack intr. */ | |
| if (i == 100) | |
| printf("pcnet_reset_8390() did not complete.\n"); | |
| } /* pcnet_reset_8390 */ | |
| int get_prom(u8* mac_addr, u8* base_addr) | |
| { | |
| u8 prom[32]; | |
| int i, j; | |
| struct { | |
| u_char value, offset; | |
| } program_seq[] = { | |
| {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/ | |
| {0x48, EN0_DCFG}, /* Set byte-wide (0x48) access. */ | |
| {0x00, EN0_RCNTLO}, /* Clear the count regs. */ | |
| {0x00, EN0_RCNTHI}, | |
| {0x00, EN0_IMR}, /* Mask completion irq. */ | |
| {0xFF, EN0_ISR}, | |
| {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */ | |
| {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */ | |
| {32, EN0_RCNTLO}, | |
| {0x00, EN0_RCNTHI}, | |
| {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */ | |
| {0x00, EN0_RSARHI}, | |
| {E8390_RREAD+E8390_START, E8390_CMD}, | |
| }; | |
| PRINTK ("trying to get MAC via prom reading\n"); | |
| pcnet_reset_8390 (base_addr); | |
| mdelay (10); | |
| for (i = 0; i < sizeof (program_seq) / sizeof (program_seq[0]); i++) | |
| n2k_outb (program_seq[i].value, program_seq[i].offset); | |
| PRINTK ("PROM:"); | |
| for (i = 0; i < 32; i++) { | |
| prom[i] = n2k_inb (PCNET_DATAPORT); | |
| PRINTK (" %02x", prom[i]); | |
| } | |
| PRINTK ("\n"); | |
| for (i = 0; i < NR_INFO; i++) { | |
| if ((prom[0] == hw_info[i].a0) && | |
| (prom[2] == hw_info[i].a1) && | |
| (prom[4] == hw_info[i].a2)) { | |
| PRINTK ("matched board %d\n", i); | |
| break; | |
| } | |
| } | |
| if ((i < NR_INFO) || ((prom[28] == 0x57) && (prom[30] == 0x57))) { | |
| PRINTK ("on exit i is %d/%ld\n", i, NR_INFO); | |
| PRINTK ("MAC address is "); | |
| for (j = 0; j < 6; j++) { | |
| mac_addr[j] = prom[j << 1]; | |
| PRINTK ("%02x:", mac_addr[i]); | |
| } | |
| PRINTK ("\n"); | |
| return (i < NR_INFO) ? i : 0; | |
| } | |
| return 0; | |
| } |