+++ /dev/null
-/*------------------------------------------------------------------------
- . 3c589.c
- . This is a driver for 3Com's 3C589 (Etherlink III) PCMCIA Ethernet device.
- .
- . (C) Copyright 2002
- . Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- . Rolf Offermanns <rof@sysgo.de>
- .
- . This program 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 of the License, or
- . (at your option) any later version.
- .
- . This program 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 this program; if not, write to the Free Software
- . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- .
- ----------------------------------------------------------------------------*/
-
-#include <common.h>
-#include <command.h>
-#include <net.h>
-
-#include "3c589.h"
-
-
-/* Use power-down feature of the chip */
-#define POWER_DOWN 0
-
-#define NO_AUTOPROBE
-
-static const char version[] =
- "Your ad here! :P\n";
-
-
-#undef EL_DEBUG
-
-typedef unsigned char byte;
-typedef unsigned short word;
-typedef unsigned long int dword;
-/*------------------------------------------------------------------------
- .
- . Configuration options, for the experienced user to change.
- .
- -------------------------------------------------------------------------*/
-
-/*
- . Wait time for memory to be free. This probably shouldn't be
- . tuned that much, as waiting for this means nothing else happens
- . in the system
-*/
-#define MEMORY_WAIT_TIME 16
-
-
-#if (EL_DEBUG > 2 )
-#define PRINTK3(args...) printf(args)
-#else
-#define PRINTK3(args...)
-#endif
-
-#if EL_DEBUG > 1
-#define PRINTK2(args...) printf(args)
-#else
-#define PRINTK2(args...)
-#endif
-
-#ifdef EL_DEBUG
-#define PRINTK(args...) printf(args)
-#else
-#define PRINTK(args...)
-#endif
-
-#define outb(args...) mmio_outb(args)
-#define mmio_outb(value, addr) (*((volatile byte *)(addr)) = value)
-
-#define inb(args...) mmio_inb(args)
-#define mmio_inb(addr) (*((volatile byte *)(addr)))
-
-#define outw(args...) mmio_outw(args)
-#define mmio_outw(value, addr) (*((volatile word *)(addr)) = value)
-
-#define inw(args...) mmio_inw(args)
-#define mmio_inw(addr) (*((volatile word *)(addr)))
-
-#define outsw(args...) mmio_outsw(args)
-#define mmio_outsw(r,b,l) ({ int __i; \
- word *__b2; \
- __b2 = (word *) b; \
- for (__i = 0; __i < l; __i++) { \
- mmio_outw( *(__b2 + __i), r); \
- } \
- })
-
-#define insw(args...) mmio_insw(args)
-#define mmio_insw(r,b,l) ({ int __i ; \
- word *__b2; \
- __b2 = (word *) b; \
- for (__i = 0; __i < l; __i++) { \
- *(__b2 + __i) = mmio_inw(r); \
- mmio_inw(0); \
- }; \
- })
-
-/*------------------------------------------------------------------------
- .
- . The internal workings of the driver. If you are changing anything
- . here with the 3Com stuff, you should have the datasheet and know
- . what you are doing.
- .
- -------------------------------------------------------------------------*/
-#define EL_BASE_ADDR 0x20000000
-
-
-/* Offsets from base I/O address. */
-#define EL3_DATA 0x00
-#define EL3_TIMER 0x0a
-#define EL3_CMD 0x0e
-#define EL3_STATUS 0x0e
-
-#define EEPROM_READ 0x0080
-
-#define EL3WINDOW(win_num) mmio_outw(SelectWindow + (win_num), EL_BASE_ADDR + EL3_CMD)
-
-/* The top five bits written to EL3_CMD are a command, the lower
- 11 bits are the parameter, if applicable. */
-enum c509cmd {
- TotalReset = 0<<11, SelectWindow = 1<<11, StartCoax = 2<<11,
- RxDisable = 3<<11, RxEnable = 4<<11, RxReset = 5<<11, RxDiscard = 8<<11,
- TxEnable = 9<<11, TxDisable = 10<<11, TxReset = 11<<11,
- FakeIntr = 12<<11, AckIntr = 13<<11, SetIntrEnb = 14<<11,
- SetStatusEnb = 15<<11, SetRxFilter = 16<<11, SetRxThreshold = 17<<11,
- SetTxThreshold = 18<<11, SetTxStart = 19<<11, StatsEnable = 21<<11,
- StatsDisable = 22<<11, StopCoax = 23<<11,
-};
-
-enum c509status {
- IntLatch = 0x0001, AdapterFailure = 0x0002, TxComplete = 0x0004,
- TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020,
- IntReq = 0x0040, StatsFull = 0x0080, CmdBusy = 0x1000
-};
-
-/* The SetRxFilter command accepts the following classes: */
-enum RxFilter {
- RxStation = 1, RxMulticast = 2, RxBroadcast = 4, RxProm = 8
-};
-
-/* Register window 1 offsets, the window used in normal operation. */
-#define TX_FIFO 0x00
-#define RX_FIFO 0x00
-#define RX_STATUS 0x08
-#define TX_STATUS 0x0B
-#define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */
-
-
-/*
- Read a word from the EEPROM using the regular EEPROM access register.
- Assume that we are in register window zero.
-*/
-static word read_eeprom(dword ioaddr, int index)
-{
- int i;
- outw(EEPROM_READ + index, ioaddr + 0xa);
- /* Reading the eeprom takes 162 us */
- for (i = 1620; i >= 0; i--)
- if ((inw(ioaddr + 10) & EEPROM_BUSY) == 0)
- break;
- return inw(ioaddr + 0xc);
-}
-
-static void el_get_mac_addr( unsigned char *mac_addr )
-{
- int i;
- union
- {
- word w;
- unsigned char b[2];
- } wrd;
- unsigned char old_window = inw( EL_BASE_ADDR + EL3_STATUS ) >> 13;
- GO_WINDOW(0);
- VX_BUSY_WAIT;
- for (i = 0; i < 3; i++)
- {
- wrd.w = read_eeprom(EL_BASE_ADDR, 0xa+i);
-#ifdef __BIG_ENDIAN
- mac_addr[2*i] = wrd.b[0];
- mac_addr[2*i+1] = wrd.b[1];
-#else
- mac_addr[2*i] = wrd.b[1];
- mac_addr[2*i+1] = wrd.b[0];
-#endif
- }
- GO_WINDOW(old_window);
- VX_BUSY_WAIT;
-}
-
-
-#if EL_DEBUG > 1
-static void print_packet( byte * buf, int length )
-{
- int i;
- int remainder;
- int lines;
-
- PRINTK2("Packet of length %d \n", length );
-
- lines = length / 16;
- remainder = length % 16;
-
- for ( i = 0; i < lines ; i ++ ) {
- int cur;
-
- for ( cur = 0; cur < 8; cur ++ ) {
- byte a, b;
-
- a = *(buf ++ );
- b = *(buf ++ );
- PRINTK2("%02x%02x ", a, b );
- }
- PRINTK2("\n");
- }
- for ( i = 0; i < remainder/2 ; i++ ) {
- byte a, b;
-
- a = *(buf ++ );
- b = *(buf ++ );
- PRINTK2("%02x%02x ", a, b );
- }
- PRINTK2("\n");
-}
-#endif /* EL_DEBUG > 1 */
-
-
-/**************************************************************************
-ETH_RESET - Reset adapter
-***************************************************************************/
-static void el_reset(bd_t *bd)
-{
- /***********************************************************
- Reset 3Com 595 card
- *************************************************************/
- /* QUICK HACK
- * - adjust timing for 3c589
- * - enable io for PCMCIA */
- outw(0x0004, 0xa0000018);
- udelay(100);
- outw(0x0041, 0x28010000);
- udelay(100);
-
- /* issue global reset */
- outw(GLOBAL_RESET, BASE + VX_COMMAND);
-
- /* must wait for at least 1ms */
- udelay(100000000);
-
- /* set mac addr */
- {
- uchar mac_addr[6];
- int i;
-
- if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
- el_get_mac_addr(mac_addr);
- eth_setenv_enetaddr("ethaddr", mac_addr);
- }
-
- GO_WINDOW(2);
- VX_BUSY_WAIT;
-
- printf("3C589 MAC Addr.: ");
- for (i = 0; i < 6; i++)
- {
- printf("%02x", mac_addr[i]);
- outb(mac_addr[i], BASE + VX_W2_ADDR_0 + i);
- VX_BUSY_WAIT;
- }
- printf("\n\n");
- }
-
- /* set RX filter */
- outw(SET_RX_FILTER | FIL_INDIVIDUAL | FIL_BRDCST, BASE + VX_COMMAND);
- VX_BUSY_WAIT;
-
-
- /* set irq mask and read_zero */
- outw(SET_RD_0_MASK | S_CARD_FAILURE | S_RX_COMPLETE |
- S_TX_COMPLETE | S_TX_AVAIL, BASE + VX_COMMAND);
- VX_BUSY_WAIT;
-
- outw(SET_INTR_MASK | S_CARD_FAILURE | S_RX_COMPLETE |
- S_TX_COMPLETE | S_TX_AVAIL, BASE + VX_COMMAND);
- VX_BUSY_WAIT;
-
- /* enable TP Linkbeat */
- GO_WINDOW(4);
- VX_BUSY_WAIT;
-
- outw( ENABLE_UTP, BASE + VX_W4_MEDIA_TYPE);
- VX_BUSY_WAIT;
-
-
-/*
- * Attempt to get rid of any stray interrupts that occured during
- * configuration. On the i386 this isn't possible because one may
- * already be queued. However, a single stray interrupt is
- * unimportant.
- */
-
- outw(ACK_INTR | 0xff, BASE + VX_COMMAND);
- VX_BUSY_WAIT;
-
- /* enable TX and RX */
- outw( RX_ENABLE, BASE + VX_COMMAND );
- VX_BUSY_WAIT;
-
- outw( TX_ENABLE, BASE + VX_COMMAND );
- VX_BUSY_WAIT;
-
-
- /* print the diag. regs. */
- PRINTK2("Diag. Regs\n");
- PRINTK2("--> MEDIA_TYPE: %04x\n", inw(BASE + VX_W4_MEDIA_TYPE));
- PRINTK2("--> NET_DIAG: %04x\n", inw(BASE + VX_W4_NET_DIAG));
- PRINTK2("--> FIFO_DIAG: %04x\n", inw(BASE + VX_W4_FIFO_DIAG));
- PRINTK2("--> CTRLR_STATUS: %04x\n", inw(BASE + VX_W4_CTRLR_STATUS));
- PRINTK2("\n\n");
-
- /* enter working mode */
- GO_WINDOW(1);
- VX_BUSY_WAIT;
-
- /* wait for another 1ms */
- udelay(100000000);
-}
-
-
-/*-----------------------------------------------------------------
- .
- . The driver can be entered at any of the following entry points.
- .
- .------------------------------------------------------------------ */
-
-extern int eth_init(bd_t *bd);
-extern void eth_halt(void);
-extern int eth_rx(void);
-extern int eth_send(volatile void *packet, int length);
-
-
-/*
- ------------------------------------------------------------
- .
- . Internal routines
- .
- ------------------------------------------------------------
-*/
-
-int eth_init(bd_t *bd)
-{
- el_reset(bd);
- return 0;
-}
-
-void eth_halt() {
- return;
-}
-
-#define EDEBUG 1
-
-
-/**************************************************************************
-ETH_POLL - Wait for a frame
-***************************************************************************/
-
-int eth_rx()
-{
- word status, rx_status, packet_size;
-
- VX_BUSY_WAIT;
-
- status = inw( BASE + VX_STATUS );
-
- if ( (status & S_RX_COMPLETE) == 0 ) return 0; /* nothing to do */
-
- /* Packet waiting -> check RX_STATUS */
- rx_status = inw( BASE + VX_W1_RX_STATUS );
-
- if ( rx_status & ERR_RX )
- {
- /* error in packet -> discard */
- PRINTK("[ERROR] Invalid packet -> discarding\n");
- PRINTK("-- error code 0x%02x\n", rx_status & ERR_MASK);
- PRINTK("-- rx bytes 0x%04d\n", rx_status & ((1<<11) - 1));
- PRINTK("[ERROR] Invalid packet -> discarding\n");
- outw( RX_DISCARD_TOP_PACK, BASE + VX_COMMAND );
- return 0;
- }
-
- /* correct pack. waiting in fifo */
- packet_size = rx_status & RX_BYTES_MASK;
-
- PRINTK("Correct packet waiting in fifo, size: %d\n", packet_size);
-
- {
- volatile word *packet_start = (word *)(BASE + VX_W1_RX_PIO_RD_1);
- word *RcvBuffer = (word *)(NetRxPackets[0]);
- int wcount = 0;
-
- for (wcount = 0; wcount < (packet_size >> 1); wcount++)
- {
- *RcvBuffer++ = *(packet_start);
- }
-
- /* handle odd packets */
- if ( packet_size & 1 )
- {
- *RcvBuffer++ = *(packet_start);
- }
- }
-
- /* fifo should now be empty (besides the padding bytes) */
- if ( ((*((word *)(BASE + VX_W1_RX_STATUS))) & RX_BYTES_MASK) > 3 )
- {
- PRINTK("[ERROR] Fifo not empty after packet read (remaining pkts: %d)\n",
- (((*(word *)(BASE + VX_W1_RX_STATUS))) & RX_BYTES_MASK));
- }
-
- /* discard packet */
- *((word *)(BASE + VX_COMMAND)) = RX_DISCARD_TOP_PACK;
-
- /* Pass Packets to upper Layer */
- NetReceive(NetRxPackets[0], packet_size);
- return packet_size;
-}
-
-
-/**************************************************************************
-ETH_TRANSMIT - Transmit a frame
-***************************************************************************/
-static char padmap[] = {
- 0, 3, 2, 1};
-
-
-int eth_send(volatile void *packet, int length) {
- int pad;
- int status;
- volatile word *buf = (word *)packet;
- int dummy = 0;
-
- /* padding stuff */
- pad = padmap[length & 3];
-
- PRINTK("eth_send(), length: %d\n", length);
- /* drop acknowledgements */
- while(( status=inb(EL_BASE_ADDR + VX_W1_TX_STATUS) )& TXS_COMPLETE ) {
- if(status & (TXS_UNDERRUN|TXS_MAX_COLLISION|TXS_STATUS_OVERFLOW)) {
- outw(TX_RESET, EL_BASE_ADDR + VX_COMMAND);
- outw(TX_ENABLE, EL_BASE_ADDR + VX_COMMAND);
- PRINTK("Bad status, resetting and reenabling transmitter\n");
- }
-
- outb(0x0, EL_BASE_ADDR + VX_W1_TX_STATUS);
- }
-
-
- while (inw(EL_BASE_ADDR + VX_W1_FREE_TX) < length + pad + 4) {
- /* no room in FIFO */
- if (dummy == 0)
- {
- PRINTK("No room in FIFO, waiting...\n");
- dummy++;
- }
-
- }
-
- PRINTK(" ---> FIFO ready\n");
-
-
- outw(length, EL_BASE_ADDR + VX_W1_TX_PIO_WR_1);
-
- /* Second dword meaningless */
- outw(0x0, EL_BASE_ADDR + VX_W1_TX_PIO_WR_1);
-
-#if EL_DEBUG > 1
- print_packet((byte *)buf, length);
-#endif
-
- /* write packet */
- {
- unsigned int i, totw;
-
- totw = ((length + 1) >> 1);
- PRINTK("Buffer: (totw = %d)\n", totw);
- for (i = 0; i < totw; i++) {
- outw( *(buf+i), EL_BASE_ADDR + VX_W1_TX_PIO_WR_1);
- udelay(10);
- }
- if(totw & 1)
- { /* pad to double word length */
- outw( 0, EL_BASE_ADDR + VX_W1_TX_PIO_WR_1);
- udelay(10);
- }
- PRINTK("\n\n");
- }
-
- /* wait for Tx complete */
- PRINTK("Waiting for Tx to complete...\n");
- while(((status = inw(EL_BASE_ADDR + VX_STATUS)) & S_COMMAND_IN_PROGRESS) != 0)
- {
- udelay(10);
- }
- PRINTK(" ---> Tx completed, status = 0x%04x\n", status);
-
- return length;
-}
+++ /dev/null
-/*
- * Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca) All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met: 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer. 2. The name
- * of the author may not be used to endorse or promote products derived from
- * this software without specific prior written permission
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- October 2, 1994
-
- Modified by: Andres Vega Garcia
-
- INRIA - Sophia Antipolis, France
- e-mail: avega@sophia.inria.fr
- finger: avega@pax.inria.fr
-
- */
-
-/*
- * Created from if_epreg.h by Fred Gray (fgray@rice.edu) to support the
- * 3c590 family.
- */
-
-/*
- * Modified by Shusuke Nisiyama <shu@athena.qe.eng.hokudai.ac.jp>
- * for etherboot
- * Mar. 14, 2000
-*/
-
-/*
- * Ethernet software status per interface.
- */
-
-/*
- * Some global constants
- */
-
-#define TX_INIT_RATE 16
-#define TX_INIT_MAX_RATE 64
-#define RX_INIT_LATENCY 64
-#define RX_INIT_EARLY_THRESH 64
-#define MIN_RX_EARLY_THRESHF 16 /* not less than ether_header */
-#define MIN_RX_EARLY_THRESHL 4
-
-#define EEPROMSIZE 0x40
-#define MAX_EEPROMBUSY 1000
-#define VX_LAST_TAG 0xd7
-#define VX_MAX_BOARDS 16
-#define VX_ID_PORT 0x100
-
-/*
- * some macros to acces long named fields
- */
-#define BASE (EL_BASE_ADDR)
-
-/*
- * Commands to read/write EEPROM trough EEPROM command register (Window 0,
- * Offset 0xa)
- */
-#define EEPROM_CMD_RD 0x0080 /* Read: Address required (5 bits) */
-#define EEPROM_CMD_WR 0x0040 /* Write: Address required (5 bits) */
-#define EEPROM_CMD_ERASE 0x00c0 /* Erase: Address required (5 bits) */
-#define EEPROM_CMD_EWEN 0x0030 /* Erase/Write Enable: No data required */
-
-#define EEPROM_BUSY (1<<15)
-
-/*
- * Some short functions, worth to let them be a macro
- */
-
-/**************************************************************************
- * *
- * These define the EEPROM data structure. They are used in the probe
- * function to verify the existence of the adapter after having sent
- * the ID_Sequence.
- *
- * There are others but only the ones we use are defined here.
- *
- **************************************************************************/
-
-#define EEPROM_NODE_ADDR_0 0x0 /* Word */
-#define EEPROM_NODE_ADDR_1 0x1 /* Word */
-#define EEPROM_NODE_ADDR_2 0x2 /* Word */
-#define EEPROM_PROD_ID 0x3 /* 0x9[0-f]50 */
-#define EEPROM_MFG_ID 0x7 /* 0x6d50 */
-#define EEPROM_ADDR_CFG 0x8 /* Base addr */
-#define EEPROM_RESOURCE_CFG 0x9 /* IRQ. Bits 12-15 */
-#define EEPROM_OEM_ADDR_0 0xa /* Word */
-#define EEPROM_OEM_ADDR_1 0xb /* Word */
-#define EEPROM_OEM_ADDR_2 0xc /* Word */
-#define EEPROM_SOFT_INFO_2 0xf /* Software information 2 */
-
-#define NO_RX_OVN_ANOMALY (1<<5)
-
-/**************************************************************************
- * *
- * These are the registers for the 3Com 3c509 and their bit patterns when *
- * applicable. They have been taken out the the "EtherLink III Parallel *
- * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual *
- * from 3com. *
- * *
- **************************************************************************/
-
-#define VX_COMMAND 0x0e /* Write. BASE+0x0e is always a
- * command reg. */
-#define VX_STATUS 0x0e /* Read. BASE+0x0e is always status
- * reg. */
-#define VX_WINDOW 0x0f /* Read. BASE+0x0f is always window
- * reg. */
-/*
- * Window 0 registers. Setup.
- */
-/* Write */
-#define VX_W0_EEPROM_DATA 0x0c
-#define VX_W0_EEPROM_COMMAND 0x0a
-#define VX_W0_RESOURCE_CFG 0x08
-#define VX_W0_ADDRESS_CFG 0x06
-#define VX_W0_CONFIG_CTRL 0x04
- /* Read */
-#define VX_W0_PRODUCT_ID 0x02
-#define VX_W0_MFG_ID 0x00
-
-
-/*
- * Window 1 registers. Operating Set.
- */
-/* Write */
-#define VX_W1_TX_PIO_WR_2 0x02
-#define VX_W1_TX_PIO_WR_1 0x00
-/* Read */
-#define VX_W1_FREE_TX 0x0c
-#define VX_W1_TX_STATUS 0x0b /* byte */
-#define VX_W1_TIMER 0x0a /* byte */
-#define VX_W1_RX_STATUS 0x08
-#define VX_W1_RX_PIO_RD_2 0x02
-#define VX_W1_RX_PIO_RD_1 0x00
-
-/*
- * Window 2 registers. Station Address Setup/Read
- */
-/* Read/Write */
-#define VX_W2_ADDR_5 0x05
-#define VX_W2_ADDR_4 0x04
-#define VX_W2_ADDR_3 0x03
-#define VX_W2_ADDR_2 0x02
-#define VX_W2_ADDR_1 0x01
-#define VX_W2_ADDR_0 0x00
-
-/*
- * Window 3 registers. FIFO Management.
- */
-/* Read */
-#define VX_W3_INTERNAL_CFG 0x00
-#define VX_W3_RESET_OPT 0x08
-#define VX_W3_FREE_TX 0x0c
-#define VX_W3_FREE_RX 0x0a
-
-/*
- * Window 4 registers. Diagnostics.
- */
-/* Read/Write */
-#define VX_W4_MEDIA_TYPE 0x0a
-#define VX_W4_CTRLR_STATUS 0x08
-#define VX_W4_NET_DIAG 0x06
-#define VX_W4_FIFO_DIAG 0x04
-#define VX_W4_HOST_DIAG 0x02
-#define VX_W4_TX_DIAG 0x00
-
-/*
- * Window 5 Registers. Results and Internal status.
- */
-/* Read */
-#define VX_W5_READ_0_MASK 0x0c
-#define VX_W5_INTR_MASK 0x0a
-#define VX_W5_RX_FILTER 0x08
-#define VX_W5_RX_EARLY_THRESH 0x06
-#define VX_W5_TX_AVAIL_THRESH 0x02
-#define VX_W5_TX_START_THRESH 0x00
-
-/*
- * Window 6 registers. Statistics.
- */
-/* Read/Write */
-#define TX_TOTAL_OK 0x0c
-#define RX_TOTAL_OK 0x0a
-#define TX_DEFERRALS 0x08
-#define RX_FRAMES_OK 0x07
-#define TX_FRAMES_OK 0x06
-#define RX_OVERRUNS 0x05
-#define TX_COLLISIONS 0x04
-#define TX_AFTER_1_COLLISION 0x03
-#define TX_AFTER_X_COLLISIONS 0x02
-#define TX_NO_SQE 0x01
-#define TX_CD_LOST 0x00
-
-/****************************************
- *
- * Register definitions.
- *
- ****************************************/
-
-/*
- * Command register. All windows.
- *
- * 16 bit register.
- * 15-11: 5-bit code for command to be executed.
- * 10-0: 11-bit arg if any. For commands with no args;
- * this can be set to anything.
- */
-#define GLOBAL_RESET (unsigned short) 0x0000 /* Wait at least 1ms
- * after issuing */
-#define WINDOW_SELECT (unsigned short) (0x1<<11)
-#define START_TRANSCEIVER (unsigned short) (0x2<<11) /* Read ADDR_CFG reg to
- * determine whether
- * this is needed. If
- * so; wait 800 uSec
- * before using trans-
- * ceiver. */
-#define RX_DISABLE (unsigned short) (0x3<<11) /* state disabled on
- * power-up */
-#define RX_ENABLE (unsigned short) (0x4<<11)
-#define RX_RESET (unsigned short) (0x5<<11)
-#define RX_DISCARD_TOP_PACK (unsigned short) (0x8<<11)
-#define TX_ENABLE (unsigned short) (0x9<<11)
-#define TX_DISABLE (unsigned short) (0xa<<11)
-#define TX_RESET (unsigned short) (0xb<<11)
-#define REQ_INTR (unsigned short) (0xc<<11)
-/*
- * The following C_* acknowledge the various interrupts. Some of them don't
- * do anything. See the manual.
- */
-#define ACK_INTR (unsigned short) (0x6800)
-# define C_INTR_LATCH (unsigned short) (ACK_INTR|0x1)
-# define C_CARD_FAILURE (unsigned short) (ACK_INTR|0x2)
-# define C_TX_COMPLETE (unsigned short) (ACK_INTR|0x4)
-# define C_TX_AVAIL (unsigned short) (ACK_INTR|0x8)
-# define C_RX_COMPLETE (unsigned short) (ACK_INTR|0x10)
-# define C_RX_EARLY (unsigned short) (ACK_INTR|0x20)
-# define C_INT_RQD (unsigned short) (ACK_INTR|0x40)
-# define C_UPD_STATS (unsigned short) (ACK_INTR|0x80)
-#define SET_INTR_MASK (unsigned short) (0xe<<11)
-#define SET_RD_0_MASK (unsigned short) (0xf<<11)
-#define SET_RX_FILTER (unsigned short) (0x10<<11)
-# define FIL_INDIVIDUAL (unsigned short) (0x1)
-# define FIL_MULTICAST (unsigned short) (0x02)
-# define FIL_BRDCST (unsigned short) (0x04)
-# define FIL_PROMISC (unsigned short) (0x08)
-#define SET_RX_EARLY_THRESH (unsigned short) (0x11<<11)
-#define SET_TX_AVAIL_THRESH (unsigned short) (0x12<<11)
-#define SET_TX_START_THRESH (unsigned short) (0x13<<11)
-#define STATS_ENABLE (unsigned short) (0x15<<11)
-#define STATS_DISABLE (unsigned short) (0x16<<11)
-#define STOP_TRANSCEIVER (unsigned short) (0x17<<11)
-
-/*
- * Status register. All windows.
- *
- * 15-13: Window number(0-7).
- * 12: Command_in_progress.
- * 11: reserved.
- * 10: reserved.
- * 9: reserved.
- * 8: reserved.
- * 7: Update Statistics.
- * 6: Interrupt Requested.
- * 5: RX Early.
- * 4: RX Complete.
- * 3: TX Available.
- * 2: TX Complete.
- * 1: Adapter Failure.
- * 0: Interrupt Latch.
- */
-#define S_INTR_LATCH (unsigned short) (0x1)
-#define S_CARD_FAILURE (unsigned short) (0x2)
-#define S_TX_COMPLETE (unsigned short) (0x4)
-#define S_TX_AVAIL (unsigned short) (0x8)
-#define S_RX_COMPLETE (unsigned short) (0x10)
-#define S_RX_EARLY (unsigned short) (0x20)
-#define S_INT_RQD (unsigned short) (0x40)
-#define S_UPD_STATS (unsigned short) (0x80)
-#define S_COMMAND_IN_PROGRESS (unsigned short) (0x1000)
-
-#define VX_BUSY_WAIT while (inw(BASE + VX_STATUS) & S_COMMAND_IN_PROGRESS)
-
-/* Address Config. Register.
- * Window 0/Port 06
- */
-
-#define ACF_CONNECTOR_BITS 14
-#define ACF_CONNECTOR_UTP 0
-#define ACF_CONNECTOR_AUI 1
-#define ACF_CONNECTOR_BNC 3
-
-#define INTERNAL_CONNECTOR_BITS 20
-#define INTERNAL_CONNECTOR_MASK 0x01700000
-
-/*
- * FIFO Registers. RX Status.
- *
- * 15: Incomplete or FIFO empty.
- * 14: 1: Error in RX Packet 0: Incomplete or no error.
- * 13-11: Type of error.
- * 1000 = Overrun.
- * 1011 = Run Packet Error.
- * 1100 = Alignment Error.
- * 1101 = CRC Error.
- * 1001 = Oversize Packet Error (>1514 bytes)
- * 0010 = Dribble Bits.
- * (all other error codes, no errors.)
- *
- * 10-0: RX Bytes (0-1514)
- */
-#define ERR_INCOMPLETE (unsigned short) (0x8000)
-#define ERR_RX (unsigned short) (0x4000)
-#define ERR_MASK (unsigned short) (0x7800)
-#define ERR_OVERRUN (unsigned short) (0x4000)
-#define ERR_RUNT (unsigned short) (0x5800)
-#define ERR_ALIGNMENT (unsigned short) (0x6000)
-#define ERR_CRC (unsigned short) (0x6800)
-#define ERR_OVERSIZE (unsigned short) (0x4800)
-#define ERR_DRIBBLE (unsigned short) (0x1000)
-
-/*
- * TX Status.
- *
- * Reports the transmit status of a completed transmission. Writing this
- * register pops the transmit completion stack.
- *
- * Window 1/Port 0x0b.
- *
- * 7: Complete
- * 6: Interrupt on successful transmission requested.
- * 5: Jabber Error (TP Only, TX Reset required. )
- * 4: Underrun (TX Reset required. )
- * 3: Maximum Collisions.
- * 2: TX Status Overflow.
- * 1-0: Undefined.
- *
- */
-#define TXS_COMPLETE 0x80
-#define TXS_INTR_REQ 0x40
-#define TXS_JABBER 0x20
-#define TXS_UNDERRUN 0x10
-#define TXS_MAX_COLLISION 0x8
-#define TXS_STATUS_OVERFLOW 0x4
-
-#define RS_AUI (1<<5)
-#define RS_BNC (1<<4)
-#define RS_UTP (1<<3)
-#define RS_T4 (1<<0)
-#define RS_TX (1<<1)
-#define RS_FX (1<<2)
-#define RS_MII (1<<6)
-
-
-/*
- * FIFO Status (Window 4)
- *
- * Supports FIFO diagnostics
- *
- * Window 4/Port 0x04.1
- *
- * 15: 1=RX receiving (RO). Set when a packet is being received
- * into the RX FIFO.
- * 14: Reserved
- * 13: 1=RX underrun (RO). Generates Adapter Failure interrupt.
- * Requires RX Reset or Global Reset command to recover.
- * It is generated when you read past the end of a packet -
- * reading past what has been received so far will give bad
- * data.
- * 12: 1=RX status overrun (RO). Set when there are already 8
- * packets in the RX FIFO. While this bit is set, no additional
- * packets are received. Requires no action on the part of
- * the host. The condition is cleared once a packet has been
- * read out of the RX FIFO.
- * 11: 1=RX overrun (RO). Set when the RX FIFO is full (there
- * may not be an overrun packet yet). While this bit is set,
- * no additional packets will be received (some additional
- * bytes can still be pending between the wire and the RX
- * FIFO). Requires no action on the part of the host. The
- * condition is cleared once a few bytes have been read out
- * from the RX FIFO.
- * 10: 1=TX overrun (RO). Generates adapter failure interrupt.
- * Requires TX Reset or Global Reset command to recover.
- * Disables Transmitter.
- * 9-8: Unassigned.
- * 7-0: Built in self test bits for the RX and TX FIFO's.
- */
-#define FIFOS_RX_RECEIVING (unsigned short) 0x8000
-#define FIFOS_RX_UNDERRUN (unsigned short) 0x2000
-#define FIFOS_RX_STATUS_OVERRUN (unsigned short) 0x1000
-#define FIFOS_RX_OVERRUN (unsigned short) 0x0800
-#define FIFOS_TX_OVERRUN (unsigned short) 0x0400
-
-/*
- * Misc defines for various things.
- */
-#define TAG_ADAPTER 0xd0
-#define ACTIVATE_ADAPTER_TO_CONFIG 0xff
-#define ENABLE_DRQ_IRQ 0x0001
-#define MFG_ID 0x506d /* `TCM' */
-#define PROD_ID 0x5090
-#define GO_WINDOW(x) outw(WINDOW_SELECT|(x),BASE+VX_COMMAND)
-#define JABBER_GUARD_ENABLE 0x40
-#define LINKBEAT_ENABLE 0x80
-#define ENABLE_UTP (JABBER_GUARD_ENABLE | LINKBEAT_ENABLE)
-#define DISABLE_UTP 0x0
-#define RX_BYTES_MASK (unsigned short) (0x07ff)
-#define RX_ERROR 0x4000
-#define RX_INCOMPLETE 0x8000
-#define TX_INDICATE 1<<15
-#define is_eeprom_busy(b) (inw((b)+VX_W0_EEPROM_COMMAND)&EEPROM_BUSY)
-
-#define VX_IOSIZE 0x20
-
-#define VX_CONNECTORS 8
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
projects / karo-tx-uboot.git / commitdiff