| /* |
| * 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 withough 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. |
| * |
| * if_epreg.h,v 1.4 1994/11/13 10:12:37 gibbs Exp Modified by: |
| * |
| October 2, 1994 |
| |
| Modified by: Andres Vega Garcia |
| |
| INRIA - Sophia Antipolis, France |
| e-mail: avega@sophia.inria.fr |
| finger: avega@pax.inria.fr |
| |
| */ |
| |
| FILE_LICENCE ( BSD3 ); |
| |
| #include "nic.h" |
| |
| /* |
| * 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 EP_ID_PORT_START 0x110 /* avoid 0x100 to avoid conflict with SB16 */ |
| #define EP_ID_PORT_INC 0x10 |
| #define EP_ID_PORT_END 0x200 |
| #define EP_TAG_MAX 0x7 /* must be 2^n - 1 */ |
| |
| /* |
| * 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) |
| #define EEPROM_TST_MODE (1<<14) |
| |
| /* |
| * Some short functions, worth to let them be a macro |
| */ |
| #define is_eeprom_busy(b) (inw((b)+EP_W0_EEPROM_COMMAND)&EEPROM_BUSY) |
| #define GO_WINDOW(b,x) outw(WINDOW_SELECT|(x), (b)+EP_COMMAND) |
| |
| /************************************************************************** |
| * |
| * 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 */ |
| |
| /************************************************************************** |
| * |
| * 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. |
| * |
| * Getting this document out of 3Com is almost impossible. However, |
| * archived copies are available at |
| * http://www.osdever.net/cottontail/downloads/docs/3c5x9b.zip and |
| * several other places on the web (search for 3c5x9b.pdf). |
| * |
| **************************************************************************/ |
| |
| #define EP_COMMAND 0x0e /* Write. BASE+0x0e is always a |
| * command reg. */ |
| #define EP_STATUS 0x0e /* Read. BASE+0x0e is always status |
| * reg. */ |
| #define EP_WINDOW 0x0f /* Read. BASE+0x0f is always window |
| * reg. */ |
| /* |
| * Window 0 registers. Setup. |
| */ |
| /* Write */ |
| #define EP_W0_EEPROM_DATA 0x0c |
| #define EP_W0_EEPROM_COMMAND 0x0a |
| #define EP_W0_RESOURCE_CFG 0x08 |
| #define EP_W0_ADDRESS_CFG 0x06 |
| #define EP_W0_CONFIG_CTRL 0x04 |
| /* Read */ |
| #define EP_W0_PRODUCT_ID 0x02 |
| #define EP_W0_MFG_ID 0x00 |
| |
| /* |
| * Window 1 registers. Operating Set. |
| */ |
| /* Write */ |
| #define EP_W1_TX_PIO_WR_2 0x02 |
| #define EP_W1_TX_PIO_WR_1 0x00 |
| /* Read */ |
| #define EP_W1_FREE_TX 0x0c |
| #define EP_W1_TX_STATUS 0x0b /* byte */ |
| #define EP_W1_TIMER 0x0a /* byte */ |
| #define EP_W1_RX_STATUS 0x08 |
| #define EP_W1_RX_PIO_RD_2 0x02 |
| #define EP_W1_RX_PIO_RD_1 0x00 |
| |
| /* |
| * Window 2 registers. Station Address Setup/Read |
| */ |
| /* Read/Write */ |
| #define EP_W2_ADDR_5 0x05 |
| #define EP_W2_ADDR_4 0x04 |
| #define EP_W2_ADDR_3 0x03 |
| #define EP_W2_ADDR_2 0x02 |
| #define EP_W2_ADDR_1 0x01 |
| #define EP_W2_ADDR_0 0x00 |
| |
| /* |
| * Window 3 registers. FIFO Management. |
| */ |
| /* Read */ |
| #define EP_W3_FREE_TX 0x0c |
| #define EP_W3_FREE_RX 0x0a |
| |
| /* |
| * Window 4 registers. Diagnostics. |
| */ |
| /* Read/Write */ |
| #define EP_W4_MEDIA_TYPE 0x0a |
| #define EP_W4_CTRLR_STATUS 0x08 |
| #define EP_W4_NET_DIAG 0x06 |
| #define EP_W4_FIFO_DIAG 0x04 |
| #define EP_W4_HOST_DIAG 0x02 |
| #define EP_W4_TX_DIAG 0x00 |
| |
| /* |
| * Window 5 Registers. Results and Internal status. |
| */ |
| /* Read */ |
| #define EP_W5_READ_0_MASK 0x0c |
| #define EP_W5_INTR_MASK 0x0a |
| #define EP_W5_RX_FILTER 0x08 |
| #define EP_W5_RX_EARLY_THRESH 0x06 |
| #define EP_W5_TX_AVAIL_THRESH 0x02 |
| #define EP_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) |
| #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_GROUP (unsigned short) (0x2) |
| #define FIL_BRDCST (unsigned short) (0x4) |
| #define FIL_ALL (unsigned short) (0x8) |
| #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) |
| /* |
| * 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) |
| |
| /* |
| * 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_5_INTS (S_CARD_FAILURE|S_TX_COMPLETE|\ |
| S_TX_AVAIL|S_RX_COMPLETE|S_RX_EARLY) |
| #define S_COMMAND_IN_PROGRESS (unsigned short) (0x1000) |
| |
| /* |
| * FIFO Registers. |
| * RX Status. Window 1/Port 08 |
| * |
| * 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_RX_INCOMPLETE (unsigned short) (0x1<<15) |
| #define ERR_RX (unsigned short) (0x1<<14) |
| #define ERR_RX_OVERRUN (unsigned short) (0x8<<11) |
| #define ERR_RX_RUN_PKT (unsigned short) (0xb<<11) |
| #define ERR_RX_ALIGN (unsigned short) (0xc<<11) |
| #define ERR_RX_CRC (unsigned short) (0xd<<11) |
| #define ERR_RX_OVERSIZE (unsigned short) (0x9<<11) |
| #define ERR_RX_DRIBBLE (unsigned short) (0x2<<11) |
| |
| /* |
| * FIFO Registers. |
| * TX Status. Window 1/Port 0B |
| * |
| * 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_SUCCES_INTR_REQ 0x40 |
| #define TXS_JABBER 0x20 |
| #define TXS_UNDERRUN 0x10 |
| #define TXS_MAX_COLLISION 0x8 |
| #define TXS_STATUS_OVERFLOW 0x4 |
| |
| /* |
| * Configuration control register. |
| * Window 0/Port 04 |
| */ |
| /* Read */ |
| #define IS_AUI (1<<13) |
| #define IS_BNC (1<<12) |
| #define IS_UTP (1<<9) |
| /* Write */ |
| #define ENABLE_DRQ_IRQ 0x0001 |
| #define W0_P4_CMD_RESET_ADAPTER 0x4 |
| #define W0_P4_CMD_ENABLE_ADAPTER 0x1 |
| /* |
| * Media type and status. |
| * Window 4/Port 0A |
| */ |
| #define ENABLE_UTP 0xc0 |
| #define DISABLE_UTP 0x0 |
| |
| /* |
| * Resource control register |
| */ |
| |
| #define SET_IRQ(i) ( ((i)<<12) | 0xF00) /* set IRQ i */ |
| |
| /* |
| * Receive status register |
| */ |
| |
| #define RX_BYTES_MASK (unsigned short) (0x07ff) |
| #define RX_ERROR 0x4000 |
| #define RX_INCOMPLETE 0x8000 |
| |
| /* |
| * Misc defines for various things. |
| */ |
| #define MFG_ID 0x6d50 /* in EEPROM and W0 ADDR_CONFIG */ |
| #define PROD_ID 0x9150 |
| |
| #define AUI 0x1 |
| #define BNC 0x2 |
| #define UTP 0x4 |
| |
| #define RX_BYTES_MASK (unsigned short) (0x07ff) |
| |
| /* |
| * Function shared between 3c509.c and 3c529.c |
| */ |
| extern int t5x9_probe ( struct nic *nic, |
| uint16_t prod_id_check, uint16_t prod_id_mask ); |
| extern void t5x9_disable ( struct nic *nic ); |
| |
| /* |
| * Local variables: |
| * c-basic-offset: 8 |
| * End: |
| */ |
