/*------------------------------------------------------------------------ * smc9000.h * * Copyright (C) 1998 by Daniel Engström * Copyright (C) 1996 by Erik Stahlman * * This software may be used and distributed according to the terms * of the GNU Public License, incorporated herein by reference. * * This file contains register information and access macros for * the SMC91xxx chipset. * * Information contained in this file was obtained from the SMC91C94 * manual from SMC. To get a copy, if you really want one, you can find * information under www.smsc.com in the components division. * ( this thanks to advice from Donald Becker ). * * Authors * Daniel Engström * Erik Stahlman * * History * 96-01-06 Erik Stahlman moved definitions here from main .c * file * 96-01-19 Erik Stahlman polished this up some, and added * better error handling * 98-09-25 Daniel Engström adjusted for Etherboot * 98-09-27 Daniel Engström moved some static strings back to the * main .c file * --------------------------------------------------------------------------*/ #ifndef _SMC9000_H_ # define _SMC9000_H_ /* I want some simple types */ typedef unsigned char byte; typedef unsigned short word; typedef unsigned long int dword; /*--------------------------------------------------------------- * * A description of the SMC registers is probably in order here, * although for details, the SMC datasheet is invaluable. * * Basically, the chip has 4 banks of registers ( 0 to 3 ), which * are accessed by writing a number into the BANK_SELECT register * ( I also use a SMC_SELECT_BANK macro for this ). * * The banks are configured so that for most purposes, bank 2 is all * that is needed for simple run time tasks. * ----------------------------------------------------------------------*/ /* * Bank Select Register: * * yyyy yyyy 0000 00xx * xx = bank number * yyyy yyyy = 0x33, for identification purposes. */ #define BANK_SELECT 14 /* BANK 0 */ #define TCR 0 /* transmit control register */ #define TCR_ENABLE 0x0001 /* if this is 1, we can transmit */ #define TCR_FDUPLX 0x0800 /* receive packets sent out */ #define TCR_STP_SQET 0x1000 /* stop transmitting if Signal quality error */ #define TCR_MON_CNS 0x0400 /* monitors the carrier status */ #define TCR_PAD_ENABLE 0x0080 /* pads short packets to 64 bytes */ #define TCR_CLEAR 0 /* do NOTHING */ /* the normal settings for the TCR register : */ #define TCR_NORMAL (TCR_ENABLE | TCR_PAD_ENABLE) #define EPH_STATUS 2 #define ES_LINK_OK 0x4000 /* is the link integrity ok ? */ #define RCR 4 #define RCR_SOFTRESET 0x8000 /* resets the chip */ #define RCR_STRIP_CRC 0x200 /* strips CRC */ #define RCR_ENABLE 0x100 /* IFF this is set, we can receive packets */ #define RCR_ALMUL 0x4 /* receive all multicast packets */ #define RCR_PROMISC 0x2 /* enable promiscuous mode */ /* the normal settings for the RCR register : */ #define RCR_NORMAL (RCR_STRIP_CRC | RCR_ENABLE) #define RCR_CLEAR 0x0 /* set it to a base state */ #define COUNTER 6 #define MIR 8 #define MCR 10 /* 12 is reserved */ // Receive/Phy Control Register /* BANK 0 */ #define RPC_REG 0x000A #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode. #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb #define RPC_LED_100_10 (0x00) // LED = 100Mbps OR's with 10Mbps link detect #define RPC_LED_RES (0x01) // LED = Reserved #define RPC_LED_10 (0x02) // LED = 10Mbps link detect #define RPC_LED_FD (0x03) // LED = Full Duplex Mode #define RPC_LED_TX_RX (0x04) // LED = TX or RX packet occurred #define RPC_LED_100 (0x05) // LED = 100Mbps link dectect #define RPC_LED_TX (0x06) // LED = TX packet occurred #define RPC_LED_RX (0x07) // LED = RX packet occurred #define RPC_DEFAULT (RPC_ANEG | (RPC_LED_100 << RPC_LSXA_SHFT) | (RPC_LED_FD << RPC_LSXB_SHFT) | RPC_SPEED | RPC_DPLX) /* BANK 1 */ #define CONFIG 0 #define CFG_AUI_SELECT 0x100 #define BASE 2 #define ADDR0 4 #define ADDR1 6 #define ADDR2 8 #define GENERAL 10 #define CONTROL 12 #define CTL_POWERDOWN 0x2000 #define CTL_LE_ENABLE 0x80 #define CTL_CR_ENABLE 0x40 #define CTL_TE_ENABLE 0x0020 #define CTL_AUTO_RELEASE 0x0800 #define CTL_EPROM_ACCESS 0x0003 /* high if Eprom is being read */ /* BANK 2 */ #define MMU_CMD 0 #define MC_BUSY 1 /* only readable bit in the register */ #define MC_NOP 0 #define MC_ALLOC 0x20 /* or with number of 256 byte packets */ #define MC_RESET 0x40 #define MC_REMOVE 0x60 /* remove the current rx packet */ #define MC_RELEASE 0x80 /* remove and release the current rx packet */ #define MC_FREEPKT 0xA0 /* Release packet in PNR register */ #define MC_ENQUEUE 0xC0 /* Enqueue the packet for transmit */ #define PNR_ARR 2 #define FIFO_PORTS 4 #define FP_RXEMPTY 0x8000 #define FP_TXEMPTY 0x80 #define POINTER 6 #define PTR_READ 0x2000 #define PTR_RCV 0x8000 #define PTR_AUTOINC 0x4000 #define PTR_AUTO_INC 0x0040 #define DATA_1 8 #define DATA_2 10 #define INTERRUPT 12 #define INT_MASK 13 #define IM_RCV_INT 0x1 #define IM_TX_INT 0x2 #define IM_TX_EMPTY_INT 0x4 #define IM_ALLOC_INT 0x8 #define IM_RX_OVRN_INT 0x10 #define IM_EPH_INT 0x20 #define IM_ERCV_INT 0x40 /* not on SMC9192 */ /* BANK 3 */ #define MULTICAST1 0 #define MULTICAST2 2 #define MULTICAST3 4 #define MULTICAST4 6 #define MGMT 8 #define REVISION 10 /* ( hi: chip id low: rev # ) */ // Management Interface Register (MII) #define MII_REG 0x0008 #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup #define MII_MDOE 0x0008 // MII Output Enable #define MII_MCLK 0x0004 // MII Clock, pin MDCLK #define MII_MDI 0x0002 // MII Input, pin MDI #define MII_MDO 0x0001 // MII Output, pin MDO /* this is NOT on SMC9192 */ #define ERCV 12 /* Note that 9194 and 9196 have the smame chip id, * the 9196 will have revisions starting at 6 */ #define CHIP_9190 3 #define CHIP_9194 4 #define CHIP_9195 5 #define CHIP_9196 4 #define CHIP_91100 7 #define CHIP_91100FD 8 #define REV_9196 6 /* * Transmit status bits */ #define TS_SUCCESS 0x0001 #define TS_LOSTCAR 0x0400 #define TS_LATCOL 0x0200 #define TS_16COL 0x0010 /* * Receive status bits */ #define RS_ALGNERR 0x8000 #define RS_BADCRC 0x2000 #define RS_ODDFRAME 0x1000 #define RS_TOOLONG 0x0800 #define RS_TOOSHORT 0x0400 #define RS_MULTICAST 0x0001 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT) // PHY Register Addresses (LAN91C111 Internal PHY) // PHY Control Register #define PHY_CNTL_REG 0x00 #define PHY_CNTL_RST 0x8000 // 1=PHY Reset #define PHY_CNTL_LPBK 0x4000 // 1=PHY Loopback #define PHY_CNTL_SPEED 0x2000 // 1=100Mbps, 0=10Mpbs #define PHY_CNTL_ANEG_EN 0x1000 // 1=Enable Auto negotiation #define PHY_CNTL_PDN 0x0800 // 1=PHY Power Down mode #define PHY_CNTL_MII_DIS 0x0400 // 1=MII 4 bit interface disabled #define PHY_CNTL_ANEG_RST 0x0200 // 1=Reset Auto negotiate #define PHY_CNTL_DPLX 0x0100 // 1=Full Duplex, 0=Half Duplex #define PHY_CNTL_COLTST 0x0080 // 1= MII Colision Test // PHY Status Register #define PHY_STAT_REG 0x01 #define PHY_STAT_CAP_T4 0x8000 // 1=100Base-T4 capable #define PHY_STAT_CAP_TXF 0x4000 // 1=100Base-X full duplex capable #define PHY_STAT_CAP_TXH 0x2000 // 1=100Base-X half duplex capable #define PHY_STAT_CAP_TF 0x1000 // 1=10Mbps full duplex capable #define PHY_STAT_CAP_TH 0x0800 // 1=10Mbps half duplex capable #define PHY_STAT_CAP_SUPR 0x0040 // 1=recv mgmt frames with not preamble #define PHY_STAT_ANEG_ACK 0x0020 // 1=ANEG has completed #define PHY_STAT_REM_FLT 0x0010 // 1=Remote Fault detected #define PHY_STAT_CAP_ANEG 0x0008 // 1=Auto negotiate capable #define PHY_STAT_LINK 0x0004 // 1=valid link #define PHY_STAT_JAB 0x0002 // 1=10Mbps jabber condition #define PHY_STAT_EXREG 0x0001 // 1=extended registers implemented // PHY Identifier Registers #define PHY_ID1_REG 0x02 // PHY Identifier 1 #define PHY_ID2_REG 0x03 // PHY Identifier 2 // PHY Auto-Negotiation Advertisement Register #define PHY_AD_REG 0x04 #define PHY_AD_NP 0x8000 // 1=PHY requests exchange of Next Page #define PHY_AD_ACK 0x4000 // 1=got link code word from remote #define PHY_AD_RF 0x2000 // 1=advertise remote fault #define PHY_AD_T4 0x0200 // 1=PHY is capable of 100Base-T4 #define PHY_AD_TX_FDX 0x0100 // 1=PHY is capable of 100Base-TX FDPLX #define PHY_AD_TX_HDX 0x0080 // 1=PHY is capable of 100Base-TX HDPLX #define PHY_AD_10_FDX 0x0040 // 1=PHY is capable of 10Base-T FDPLX #define PHY_AD_10_HDX 0x0020 // 1=PHY is capable of 10Base-T HDPLX #define PHY_AD_CSMA 0x0001 // 1=PHY is capable of 802.3 CMSA // PHY Auto-negotiation Remote End Capability Register #define PHY_RMT_REG 0x05 // Uses same bit definitions as PHY_AD_REG // PHY Configuration Register 1 #define PHY_CFG1_REG 0x10 #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm) #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust #define PHY_CFG1_TLVL_MASK 0x003C #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time // PHY Configuration Register 2 #define PHY_CFG2_REG 0x11 #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt) #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo // PHY Status Output (and Interrupt status) Register #define PHY_INT_REG 0x12 // Status Output (Interrupt Status) #define PHY_INT_INT 0x8000 // 1=bits have changed since last read #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected #define PHY_INT_JAB 0x0100 // 1=Jabber detected #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex // PHY Interrupt/Status Mask Register #define PHY_MASK_REG 0x13 // Interrupt Mask // Uses the same bit definitions as PHY_INT_REG /*------------------------------------------------------------------------- * I define some macros to make it easier to do somewhat common * or slightly complicated, repeated tasks. --------------------------------------------------------------------------*/ /* select a register bank, 0 to 3 */ #define SMC_SELECT_BANK(x, y) { _outw( y, x + BANK_SELECT ); } /* define a small delay for the reset */ #define SMC_DELAY(x) { inw( x + RCR );\ inw( x + RCR );\ inw( x + RCR ); } #endif /* _SMC_9000_H_ */