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