/* $NetBSD: elink3reg.h,v 1.27 2004/08/09 00:25:33 mycroft Exp $ */ /* * Copyright (c) 1995 Herb Peyerl * 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. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Herb Peyerl. * 4. The name of Herb Peyerl 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. * */ /* * 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. */ #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_DATE 0x4 /* Manufacturing date */ #define EEPROM_MFG_DIVSION 0x5 /* Manufacturing division */ #define EEPROM_MFG_PRODUCT 0x6 /* Product code */ #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_ADDR0 0xa #define EEPROM_OEM_ADDR1 0xb #define EEPROM_OEM_ADDR2 0xc #define EEPROM_SOFTINFO 0xd #define EEPROM_COMPAT 0xe #define EEPROM_SOFTINFO2 0xf #define EEPROM_CAP 0x10 #define EEPROM_CONFIG_LOW 0x12 #define EEPROM_CONFIG_HIGH 0x13 #define EEPROM_SSI 0x14 #define EEPROM_CHECKSUM_EL3 0x17 /* * These are the registers for the 3Com 3c509 and their bit patterns when * applicable. They have been taken out of the "EtherLink III Parallel * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual * from 3com. */ #define ELINK_COMMAND 0x0e /* Write. BASE+0x0e is always a command reg. */ #define ELINK_STATUS 0x0e /* Read. BASE+0x0e is always status reg. */ #define ELINK_WINDOW 0x0f /* Read. BASE+0x0f is always window reg. */ /* * Corkscrew ISA Bridge ASIC registers. */ #define CORK_ASIC_DCR 0x2000 #define CORK_ASIC_RCR 0x2002 #define CORK_ASIC_ROM_PAGE 0x2004 /* 8-bit */ #define CORK_ASIC_MCR 0x2006 /* 8-bit */ #define CORK_ASIC_DEBUG 0x2008 /* 8-bit */ #define CORK_ASIC_EEPROM_COMMAND 0x200a #define CORK_ASIC_EEPROM_DATA 0x200c /* * Corkscrew DMA Control Register. */ #define DCR_CHRDYWAIT_40ns (0 << 13) #define DCR_CHRDYWAIT_80ns (1 << 13) #define DCR_CHRDYWAIT_120ns (2 << 13) #define DCR_CHRDYWAIT_160ns (3 << 13) #define DCR_RECOVWAIT_80ns (0 << 11) #define DCR_RECOVWAIT_120ns (1 << 11) #define DCR_RECOVWAIT_160ns (2 << 11) #define DCR_RECOVWAIT_200ns (3 << 11) #define DCR_CMDWIDTH(x) ((x) << 8) /* base 40ns, 40ns increments */ #define DCR_BURSTLEN(x) ((x) << 3) #define DCR_DRQSELECT(x) ((x) << 0) /* 3, 5, 6, 7 valid */ /* * Corkscrew Debug register. */ #define DEBUG_PCIBUSFAULT (1U << 0) #define DEBUG_ISABUSFAULT (1U << 1) /* * Corkscrew EEPROM Command register. */ #define CORK_EEPROM_BUSY (1U << 9) #define CORK_EEPROM_CMD_READ (1U << 7) /* Same as 3c509 */ /* * Corkscrew Master Control register. */ #define MCR_PCI_CONFIG (1U << 0) #define MCR_WRITE_BUFFER (1U << 1) #define MCR_READ_PREFETCH (1U << 2) /* * Window 0 registers. Setup. */ /* Write */ #define ELINK_W0_EEPROM_DATA 0x0c #define ELINK_W0_EEPROM_COMMAND 0x0a #define ELINK_W0_RESOURCE_CFG 0x08 #define ELINK_W0_ADDRESS_CFG 0x06 #define ELINK_W0_CONFIG_CTRL 0x04 /* Read */ #define ELINK_W0_PRODUCT_ID 0x02 #define ELINK_W0_MFG_ID 0x00 /* * Window 1 registers. Operating Set. */ /* Write */ #define ELINK_W1_TX_PIO_WR_2 0x02 #define ELINK_W1_TX_PIO_WR_1 0x00 /* Read */ #define ELINK_W1_FREE_TX 0x0c #define ELINK_W1_TX_STATUS 0x0a #define ELINK_W1_RX_STATUS 0x08 #define ELINK_W1_RX_ERRORS 0x04 #define ELINK_W1_RX_PIO_RD_2 0x02 #define ELINK_W1_RX_PIO_RD_1 0x00 /* * Special registers used by the RoadRunner. These are used to program * a FIFO buffer to reduce the PCMCIA->PCI bridge latency during PIO. */ #define ELINK_W1_RUNNER_RDCTL 0x16 #define ELINK_W1_RUNNER_WRCTL 0x1c /* * Window 2 registers. Station Address Setup/Read */ /* Read/Write */ #define ELINK_W2_RECVMASK_0 0x06 #define ELINK_W2_ADDR_5 0x05 #define ELINK_W2_ADDR_4 0x04 #define ELINK_W2_ADDR_3 0x03 #define ELINK_W2_ADDR_2 0x02 #define ELINK_W2_ADDR_1 0x01 #define ELINK_W2_ADDR_0 0x00 /* * Window 3 registers. Configuration and FIFO Management. */ /* Read */ #define ELINK_W3_FREE_TX 0x0c #define ELINK_W3_FREE_RX 0x0a /* Read/Write, at least on busmastering cards. */ #define ELINK_W3_INTERNAL_CONFIG 0x00 /* 32 bits */ #define ELINK_W3_OTHER_INT 0x04 /* 8 bits */ #define ELINK_W3_PIO_RESERVED 0x05 /* 8 bits */ #define ELINK_W3_MAC_CONTROL 0x06 /* 16 bits */ #define ELINK_W3_RESET_OPTIONS 0x08 /* 16 bits */ /* * Window 4 registers. Diagnostics. */ /* Read/Write */ #define ELINK_W4_MEDIA_TYPE 0x0a #define ELINK_W4_CTRLR_STATUS 0x08 #define ELINK_W4_NET_DIAG 0x06 #define ELINK_W4_FIFO_DIAG 0x04 #define ELINK_W4_HOST_DIAG 0x02 #define ELINK_W4_TX_DIAG 0x00 /* * Window 4 offset 8 is the PHY Management register on the * 3c90x. */ #define ELINK_W4_BOOM_PHYSMGMT 0x08 #define PHYSMGMT_CLK 0x0001 #define PHYSMGMT_DATA 0x0002 #define PHYSMGMT_DIR 0x0004 /* * Window 5 Registers. Results and Internal status. */ /* Read */ #define ELINK_W5_READ_0_MASK 0x0c #define ELINK_W5_INTR_MASK 0x0a #define ELINK_W5_RX_FILTER 0x08 #define ELINK_W5_RX_EARLY_THRESH 0x06 #define ELINK_W5_TX_AVAIL_THRESH 0x02 #define ELINK_W5_TX_START_THRESH 0x00 /* * Window 6 registers. Statistics. */ /* Read/Write */ #define TX_TOTAL_OK 0x0c #define RX_TOTAL_OK 0x0a #define UPPER_FRAMES_OK 0x09 #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 /* * Window 7 registers. * Address and length for a single bus-master DMA transfer. * Unused for elink3 cards. */ #define ELINK_W7_MASTER_ADDDRES 0x00 #define ELINK_W7_RX_ERROR 0x04 #define ELINK_W7_MASTER_LEN 0x06 #define ELINK_W7_RX_STATUS 0x08 #define ELINK_W7_MASTER_STATUS 0x0c /* * 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. */ /* Wait at least 1ms after issuing */ #define GLOBAL_RESET (u_int16_t) 0x0000 #define WINDOW_SELECT (u_int16_t) (0x01<<11) /* * Read ADDR_CFG reg to determine whether this is needed. If so; wait 800 * uSec before using transceiver. */ #define START_TRANSCEIVER (u_int16_t) (0x02<<11) /* state disabled on power-up */ #define RX_DISABLE (u_int16_t) (0x03<<11) #define RX_ENABLE (u_int16_t) (0x04<<11) #define RX_RESET (u_int16_t) (0x05<<11) #define RX_DISCARD_TOP_PACK (u_int16_t) (0x08<<11) #define TX_ENABLE (u_int16_t) (0x09<<11) #define TX_DISABLE (u_int16_t) (0x0a<<11) #define TX_RESET (u_int16_t) (0x0b<<11) #define REQ_INTR (u_int16_t) (0x0c<<11) #define ACK_INTR (u_int16_t) (0x0d<<11) #define SET_INTR_MASK (u_int16_t) (0x0e<<11) /* busmastering-cards only? */ #define STATUS_ENABLE (u_int16_t) (0x0f<<11) #define SET_RD_0_MASK (u_int16_t) (0x0f<<11) #define SET_RX_FILTER (u_int16_t) (0x10<<11) # define FIL_INDIVIDUAL (u_int16_t) (0x01) # define FIL_MULTICAST (u_int16_t) (0x02) # define FIL_BRDCST (u_int16_t) (0x04) # define FIL_PROMISC (u_int16_t) (0x08) #define SET_RX_EARLY_THRESH (u_int16_t) (0x11<<11) #define SET_TX_AVAIL_THRESH (u_int16_t) (0x12<<11) #define SET_TX_START_THRESH (u_int16_t) (0x13<<11) #define START_DMA (u_int16_t) (0x14<<11) /* busmaster-only */ # define START_DMA_TX (START_DMA | 0x0)) /* busmaster-only */ # define START_DMA_RX (START_DMA | 0x1) /* busmaster-only */ #define STATS_ENABLE (u_int16_t) (0x15<<11) #define STATS_DISABLE (u_int16_t) (0x16<<11) #define STOP_TRANSCEIVER (u_int16_t) (0x17<<11) /* Only on adapters that support power management: */ #define POWERUP (u_int16_t) (0x1b<<11) #define POWERDOWN (u_int16_t) (0x1c<<11) #define POWERAUTO (u_int16_t) (0x1d<<11) /* * Command parameter that disables threshold interrupts * PIO (3c509) cards use 2044. The fifo word-oriented and 2044--2047 work. * "busmastering" cards need 8188. * The implicit two-bit upshift done by busmastering cards means * a value of 2047 disables threshold interrupts on both. */ #define ELINK_THRESH_DISABLE 2047 /* * Status register. All windows. * * 15-13: Window number(0-7). * 12: Command_in_progress. * 11: reserved / DMA in progress on busmaster cards. * 10: reserved. * 9: reserved. * 8: reserved / DMA done on busmaster cards. * 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 INTR_LATCH (u_int16_t) (0x0001) #define CARD_FAILURE (u_int16_t) (0x0002) #define TX_COMPLETE (u_int16_t) (0x0004) #define TX_AVAIL (u_int16_t) (0x0008) #define RX_COMPLETE (u_int16_t) (0x0010) #define RX_EARLY (u_int16_t) (0x0020) #define INT_RQD (u_int16_t) (0x0040) #define UPD_STATS (u_int16_t) (0x0080) #define DMA_DONE (u_int16_t) (0x0100) /* DMA cards only */ #define DMA_IN_PROGRESS (u_int16_t) (0x0800) /* DMA cards only */ #define COMMAND_IN_PROGRESS (u_int16_t) (0x1000) #define ALL_INTERRUPTS (CARD_FAILURE | TX_COMPLETE | TX_AVAIL | RX_COMPLETE | \ RX_EARLY | INT_RQD | UPD_STATS) #define WATCHED_INTERRUPTS (CARD_FAILURE | TX_COMPLETE | RX_COMPLETE | TX_AVAIL) /* * FIFO Registers. RX Status. * * 15: Incomplete or FIFO empty. * 14: 1: Error in RX Packet 0: Incomplete or no error. * 14-11: Type of error. [14-11] * 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 (u_int16_t) (0x8000) #define ERR_RX (u_int16_t) (0x4000) #define ERR_MASK (u_int16_t) (0x7800) #define ERR_OVERRUN (u_int16_t) (0x4000) #define ERR_RUNT (u_int16_t) (0x5800) #define ERR_ALIGNMENT (u_int16_t) (0x6000) #define ERR_CRC (u_int16_t) (0x6800) #define ERR_OVERSIZE (u_int16_t) (0x4800) #define ERR_DRIBBLE (u_int16_t) (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 0x8000 #define TXS_INTR_REQ 0x4000 #define TXS_JABBER 0x2000 #define TXS_UNDERRUN 0x1000 #define TXS_MAX_COLLISION 0x0800 #define TXS_STATUS_OVERFLOW 0x0400 #define TXS_TIMER 0x00ff /* * RX status * Window 1/Port 0x08. */ #define RX_BYTES_MASK (u_int16_t) (0x07ff) /* * Internal Config and MAC control (Window 3) * Window 3 / Port 0: 32-bit internal config register: * bits 0-2: fifo buffer ram size * 3: ram width (word/byte) (ro) * 4-5: ram speed * 6-7: rom size * 8-15: reserved * * 16-17: ram split (5:3, 3:1, or 1:1). * 18-19: reserved * 20-22: selected media type * 21: unused * 24: (nonvolatile) driver should autoselect media * 25-31: reserved * * The low-order 16 bits should generally not be changed by software. * Offsets defined for two 16-bit words, to help out 16-bit busses. */ #define CONFIG_RAMSIZE (u_int16_t) 0x0007 #define CONFIG_RAMSIZE_SHIFT 0 #define CONFIG_RAMWIDTH (u_int16_t) 0x0008 #define CONFIG_RAMWIDTH_SHIFT 3 #define CONFIG_RAMSPEED (u_int16_t) 0x0030 #define CONFIG_RAMSPEED_SHIFT 4 #define CONFIG_ROMSIZE (u_int16_t) 0x00c0 #define CONFIG_ROMSIZE_SHIFT 6 /* Window 3/port 2 */ #define CONFIG_RAMSPLIT (u_int16_t) 0x0003 #define CONFIG_RAMSPLIT_SHIFT 0 #define CONFIG_MEDIAMASK (u_int16_t) 0x0070 #define CONFIG_MEDIAMASK_SHIFT 4 #define CONFIG_AUTOSELECT (u_int16_t) 0x0100 #define CONFIG_AUTOSELECT_SHIFT 8 /* * MAC_CONTROL (Window 3) */ #define MAC_CONTROL_FDX 0x20 /* full-duplex mode */ /* Active media in INTERNAL_CONFIG media bits */ #define ELINKMEDIA_10BASE_T (u_int16_t) 0x00 #define ELINKMEDIA_AUI (u_int16_t) 0x01 #define ELINKMEDIA_RESV1 (u_int16_t) 0x02 #define ELINKMEDIA_10BASE_2 (u_int16_t) 0x03 #define ELINKMEDIA_100BASE_TX (u_int16_t) 0x04 #define ELINKMEDIA_100BASE_FX (u_int16_t) 0x05 #define ELINKMEDIA_MII (u_int16_t) 0x06 #define ELINKMEDIA_100BASE_T4 (u_int16_t) 0x07 /* * RESET_OPTIONS (Window 3, on Demon/Vortex/Boomerang only) * also mapped to PCI configuration space on PCI adaptors. * * (same register as Vortex ELINK_W3_RESET_OPTIONS, mapped to pci-config space) */ #define ELINK_PCI_100BASE_T4 (1<<0) #define ELINK_PCI_100BASE_TX (1<<1) #define ELINK_PCI_100BASE_FX (1<<2) #define ELINK_PCI_10BASE_T (1<<3) #define ELINK_PCI_BNC (1<<4) #define ELINK_PCI_AUI (1<<5) #define ELINK_PCI_100BASE_MII (1<<6) #define ELINK_PCI_INTERNAL_VCO (1<<8) #define ELINK_PCI_MEDIAMASK (ELINK_PCI_100BASE_T4|ELINK_PCI_100BASE_TX| \ ELINK_PCI_100BASE_FX|ELINK_PCI_10BASE_T| \ ELINK_PCI_BNC|ELINK_PCI_AUI| \ ELINK_PCI_100BASE_MII) #define ELINK_RUNNER_MII_RESET 0x4000 #define ELINK_RUNNER_ENABLE_MII 0x8000 /* * 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 (u_int16_t) 0x8000 #define FIFOS_RX_UNDERRUN (u_int16_t) 0x2000 #define FIFOS_RX_STATUS_OVERRUN (u_int16_t) 0x1000 #define FIFOS_RX_OVERRUN (u_int16_t) 0x0800 #define FIFOS_TX_OVERRUN (u_int16_t) 0x0400 /* * ISA/eisa CONFIG_CNTRL media-present bits. */ #define ELINK_W0_CC_AUI (1<<13) #define ELINK_W0_CC_BNC (1<<12) #define ELINK_W0_CC_UTP (1<<9) #define ELINK_W0_CC_MEDIAMASK (ELINK_W0_CC_AUI|ELINK_W0_CC_BNC| \ ELINK_W0_CC_UTP) /* EEPROM state flags/commands */ #define EEPROM_BUSY (1<<15) #define EEPROM_TST_MODE (1<<14) #define READ_EEPROM (1<<7) /* For the RoadRunner chips... */ #define WRITE_EEPROM_RR 0x100 #define READ_EEPROM_RR 0x200 #define ERASE_EEPROM_RR 0x300 /* window 4, MEDIA_STATUS bits */ #define SQE_ENABLE 0x08 /* Enables SQE on AUI ports */ #define JABBER_GUARD_ENABLE 0x40 #define LINKBEAT_ENABLE 0x80 #define DISABLE_UTP 0x0 #define LINKBEAT_DETECT 0x800 /* * 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_3C509 0x5090 /* 509[0-f] */ #define GO_WINDOW(x) bus_space_write_2(sc->sc_iot, \ sc->sc_ioh, ELINK_COMMAND, WINDOW_SELECT|x) /* Used to probe for large-packet support. */ #define ELINK_LARGEWIN_PROBE ELINK_THRESH_DISABLE #define ELINK_LARGEWIN_MASK 0xffc