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Diffstat (limited to 'drivers/net/ariadne.h')
| -rw-r--r-- | drivers/net/ariadne.h | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/drivers/net/ariadne.h b/drivers/net/ariadne.h new file mode 100644 index 00000000000..f7913d5a39f --- /dev/null +++ b/drivers/net/ariadne.h @@ -0,0 +1,415 @@ +/* + * Amiga Linux/m68k Ariadne Ethernet Driver + * + * © Copyright 1995 by Geert Uytterhoeven (geert@linux-m68k.org) + * Peter De Schrijver + * (Peter.DeSchrijver@linux.cc.kuleuven.ac.be) + * + * ---------------------------------------------------------------------------------- + * + * This program is based on + * + * lance.c: An AMD LANCE ethernet driver for linux. + * Written 1993-94 by Donald Becker. + * + * Am79C960: PCnet(tm)-ISA Single-Chip Ethernet Controller + * Advanced Micro Devices + * Publication #16907, Rev. B, Amendment/0, May 1994 + * + * MC68230: Parallel Interface/Timer (PI/T) + * Motorola Semiconductors, December, 1983 + * + * ---------------------------------------------------------------------------------- + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of the Linux + * distribution for more details. + * + * ---------------------------------------------------------------------------------- + * + * The Ariadne is a Zorro-II board made by Village Tronic. It contains: + * + * - an Am79C960 PCnet-ISA Single-Chip Ethernet Controller with both + * 10BASE-2 (thin coax) and 10BASE-T (UTP) connectors + * + * - an MC68230 Parallel Interface/Timer configured as 2 parallel ports + */ + + + /* + * Am79C960 PCnet-ISA + */ + +struct Am79C960 { + volatile u_short AddressPROM[8]; + /* IEEE Address PROM (Unused in the Ariadne) */ + volatile u_short RDP; /* Register Data Port */ + volatile u_short RAP; /* Register Address Port */ + volatile u_short Reset; /* Reset Chip on Read Access */ + volatile u_short IDP; /* ISACSR Data Port */ +}; + + + /* + * Am79C960 Control and Status Registers + * + * These values are already swap()ed!! + * + * Only registers marked with a `-' are intended for network software + * access + */ + +#define CSR0 0x0000 /* - PCnet-ISA Controller Status */ +#define CSR1 0x0100 /* - IADR[15:0] */ +#define CSR2 0x0200 /* - IADR[23:16] */ +#define CSR3 0x0300 /* - Interrupt Masks and Deferral Control */ +#define CSR4 0x0400 /* - Test and Features Control */ +#define CSR6 0x0600 /* RCV/XMT Descriptor Table Length */ +#define CSR8 0x0800 /* - Logical Address Filter, LADRF[15:0] */ +#define CSR9 0x0900 /* - Logical Address Filter, LADRF[31:16] */ +#define CSR10 0x0a00 /* - Logical Address Filter, LADRF[47:32] */ +#define CSR11 0x0b00 /* - Logical Address Filter, LADRF[63:48] */ +#define CSR12 0x0c00 /* - Physical Address Register, PADR[15:0] */ +#define CSR13 0x0d00 /* - Physical Address Register, PADR[31:16] */ +#define CSR14 0x0e00 /* - Physical Address Register, PADR[47:32] */ +#define CSR15 0x0f00 /* - Mode Register */ +#define CSR16 0x1000 /* Initialization Block Address Lower */ +#define CSR17 0x1100 /* Initialization Block Address Upper */ +#define CSR18 0x1200 /* Current Receive Buffer Address */ +#define CSR19 0x1300 /* Current Receive Buffer Address */ +#define CSR20 0x1400 /* Current Transmit Buffer Address */ +#define CSR21 0x1500 /* Current Transmit Buffer Address */ +#define CSR22 0x1600 /* Next Receive Buffer Address */ +#define CSR23 0x1700 /* Next Receive Buffer Address */ +#define CSR24 0x1800 /* - Base Address of Receive Ring */ +#define CSR25 0x1900 /* - Base Address of Receive Ring */ +#define CSR26 0x1a00 /* Next Receive Descriptor Address */ +#define CSR27 0x1b00 /* Next Receive Descriptor Address */ +#define CSR28 0x1c00 /* Current Receive Descriptor Address */ +#define CSR29 0x1d00 /* Current Receive Descriptor Address */ +#define CSR30 0x1e00 /* - Base Address of Transmit Ring */ +#define CSR31 0x1f00 /* - Base Address of transmit Ring */ +#define CSR32 0x2000 /* Next Transmit Descriptor Address */ +#define CSR33 0x2100 /* Next Transmit Descriptor Address */ +#define CSR34 0x2200 /* Current Transmit Descriptor Address */ +#define CSR35 0x2300 /* Current Transmit Descriptor Address */ +#define CSR36 0x2400 /* Next Next Receive Descriptor Address */ +#define CSR37 0x2500 /* Next Next Receive Descriptor Address */ +#define CSR38 0x2600 /* Next Next Transmit Descriptor Address */ +#define CSR39 0x2700 /* Next Next Transmit Descriptor Address */ +#define CSR40 0x2800 /* Current Receive Status and Byte Count */ +#define CSR41 0x2900 /* Current Receive Status and Byte Count */ +#define CSR42 0x2a00 /* Current Transmit Status and Byte Count */ +#define CSR43 0x2b00 /* Current Transmit Status and Byte Count */ +#define CSR44 0x2c00 /* Next Receive Status and Byte Count */ +#define CSR45 0x2d00 /* Next Receive Status and Byte Count */ +#define CSR46 0x2e00 /* Poll Time Counter */ +#define CSR47 0x2f00 /* Polling Interval */ +#define CSR48 0x3000 /* Temporary Storage */ +#define CSR49 0x3100 /* Temporary Storage */ +#define CSR50 0x3200 /* Temporary Storage */ +#define CSR51 0x3300 /* Temporary Storage */ +#define CSR52 0x3400 /* Temporary Storage */ +#define CSR53 0x3500 /* Temporary Storage */ +#define CSR54 0x3600 /* Temporary Storage */ +#define CSR55 0x3700 /* Temporary Storage */ +#define CSR56 0x3800 /* Temporary Storage */ +#define CSR57 0x3900 /* Temporary Storage */ +#define CSR58 0x3a00 /* Temporary Storage */ +#define CSR59 0x3b00 /* Temporary Storage */ +#define CSR60 0x3c00 /* Previous Transmit Descriptor Address */ +#define CSR61 0x3d00 /* Previous Transmit Descriptor Address */ +#define CSR62 0x3e00 /* Previous Transmit Status and Byte Count */ +#define CSR63 0x3f00 /* Previous Transmit Status and Byte Count */ +#define CSR64 0x4000 /* Next Transmit Buffer Address */ +#define CSR65 0x4100 /* Next Transmit Buffer Address */ +#define CSR66 0x4200 /* Next Transmit Status and Byte Count */ +#define CSR67 0x4300 /* Next Transmit Status and Byte Count */ +#define CSR68 0x4400 /* Transmit Status Temporary Storage */ +#define CSR69 0x4500 /* Transmit Status Temporary Storage */ +#define CSR70 0x4600 /* Temporary Storage */ +#define CSR71 0x4700 /* Temporary Storage */ +#define CSR72 0x4800 /* Receive Ring Counter */ +#define CSR74 0x4a00 /* Transmit Ring Counter */ +#define CSR76 0x4c00 /* - Receive Ring Length */ +#define CSR78 0x4e00 /* - Transmit Ring Length */ +#define CSR80 0x5000 /* - Burst and FIFO Threshold Control */ +#define CSR82 0x5200 /* - Bus Activity Timer */ +#define CSR84 0x5400 /* DMA Address */ +#define CSR85 0x5500 /* DMA Address */ +#define CSR86 0x5600 /* Buffer Byte Counter */ +#define CSR88 0x5800 /* - Chip ID */ +#define CSR89 0x5900 /* - Chip ID */ +#define CSR92 0x5c00 /* Ring Length Conversion */ +#define CSR94 0x5e00 /* Transmit Time Domain Reflectometry Count */ +#define CSR96 0x6000 /* Bus Interface Scratch Register 0 */ +#define CSR97 0x6100 /* Bus Interface Scratch Register 0 */ +#define CSR98 0x6200 /* Bus Interface Scratch Register 1 */ +#define CSR99 0x6300 /* Bus Interface Scratch Register 1 */ +#define CSR104 0x6800 /* SWAP */ +#define CSR105 0x6900 /* SWAP */ +#define CSR108 0x6c00 /* Buffer Management Scratch */ +#define CSR109 0x6d00 /* Buffer Management Scratch */ +#define CSR112 0x7000 /* - Missed Frame Count */ +#define CSR114 0x7200 /* - Receive Collision Count */ +#define CSR124 0x7c00 /* - Buffer Management Unit Test */ + + + /* + * Am79C960 ISA Control and Status Registers + * + * These values are already swap()ed!! + */ + +#define ISACSR0 0x0000 /* Master Mode Read Active */ +#define ISACSR1 0x0100 /* Master Mode Write Active */ +#define ISACSR2 0x0200 /* Miscellaneous Configuration */ +#define ISACSR4 0x0400 /* LED0 Status (Link Integrity) */ +#define ISACSR5 0x0500 /* LED1 Status */ +#define ISACSR6 0x0600 /* LED2 Status */ +#define ISACSR7 0x0700 /* LED3 Status */ + + + /* + * Bit definitions for CSR0 (PCnet-ISA Controller Status) + * + * These values are already swap()ed!! + */ + +#define ERR 0x0080 /* Error */ +#define BABL 0x0040 /* Babble: Transmitted too many bits */ +#define CERR 0x0020 /* No Heartbeat (10BASE-T) */ +#define MISS 0x0010 /* Missed Frame */ +#define MERR 0x0008 /* Memory Error */ +#define RINT 0x0004 /* Receive Interrupt */ +#define TINT 0x0002 /* Transmit Interrupt */ +#define IDON 0x0001 /* Initialization Done */ +#define INTR 0x8000 /* Interrupt Flag */ +#define INEA 0x4000 /* Interrupt Enable */ +#define RXON 0x2000 /* Receive On */ +#define TXON 0x1000 /* Transmit On */ +#define TDMD 0x0800 /* Transmit Demand */ +#define STOP 0x0400 /* Stop */ +#define STRT 0x0200 /* Start */ +#define INIT 0x0100 /* Initialize */ + + + /* + * Bit definitions for CSR3 (Interrupt Masks and Deferral Control) + * + * These values are already swap()ed!! + */ + +#define BABLM 0x0040 /* Babble Mask */ +#define MISSM 0x0010 /* Missed Frame Mask */ +#define MERRM 0x0008 /* Memory Error Mask */ +#define RINTM 0x0004 /* Receive Interrupt Mask */ +#define TINTM 0x0002 /* Transmit Interrupt Mask */ +#define IDONM 0x0001 /* Initialization Done Mask */ +#define DXMT2PD 0x1000 /* Disable Transmit Two Part Deferral */ +#define EMBA 0x0800 /* Enable Modified Back-off Algorithm */ + + + /* + * Bit definitions for CSR4 (Test and Features Control) + * + * These values are already swap()ed!! + */ + +#define ENTST 0x0080 /* Enable Test Mode */ +#define DMAPLUS 0x0040 /* Disable Burst Transaction Counter */ +#define TIMER 0x0020 /* Timer Enable Register */ +#define DPOLL 0x0010 /* Disable Transmit Polling */ +#define APAD_XMT 0x0008 /* Auto Pad Transmit */ +#define ASTRP_RCV 0x0004 /* Auto Pad Stripping */ +#define MFCO 0x0002 /* Missed Frame Counter Overflow Interrupt */ +#define MFCOM 0x0001 /* Missed Frame Counter Overflow Mask */ +#define RCVCCO 0x2000 /* Receive Collision Counter Overflow Interrupt */ +#define RCVCCOM 0x1000 /* Receive Collision Counter Overflow Mask */ +#define TXSTRT 0x0800 /* Transmit Start Status */ +#define TXSTRTM 0x0400 /* Transmit Start Mask */ +#define JAB 0x0200 /* Jabber Error */ +#define JABM 0x0100 /* Jabber Error Mask */ + + + /* + * Bit definitions for CSR15 (Mode Register) + * + * These values are already swap()ed!! + */ + +#define PROM 0x0080 /* Promiscuous Mode */ +#define DRCVBC 0x0040 /* Disable Receive Broadcast */ +#define DRCVPA 0x0020 /* Disable Receive Physical Address */ +#define DLNKTST 0x0010 /* Disable Link Status */ +#define DAPC 0x0008 /* Disable Automatic Polarity Correction */ +#define MENDECL 0x0004 /* MENDEC Loopback Mode */ +#define LRTTSEL 0x0002 /* Low Receive Treshold/Transmit Mode Select */ +#define PORTSEL1 0x0001 /* Port Select Bits */ +#define PORTSEL2 0x8000 /* Port Select Bits */ +#define INTL 0x4000 /* Internal Loopback */ +#define DRTY 0x2000 /* Disable Retry */ +#define FCOLL 0x1000 /* Force Collision */ +#define DXMTFCS 0x0800 /* Disable Transmit CRC */ +#define LOOP 0x0400 /* Loopback Enable */ +#define DTX 0x0200 /* Disable Transmitter */ +#define DRX 0x0100 /* Disable Receiver */ + + + /* + * Bit definitions for ISACSR2 (Miscellaneous Configuration) + * + * These values are already swap()ed!! + */ + +#define ASEL 0x0200 /* Media Interface Port Auto Select */ + + + /* + * Bit definitions for ISACSR5-7 (LED1-3 Status) + * + * These values are already swap()ed!! + */ + +#define LEDOUT 0x0080 /* Current LED Status */ +#define PSE 0x8000 /* Pulse Stretcher Enable */ +#define XMTE 0x1000 /* Enable Transmit Status Signal */ +#define RVPOLE 0x0800 /* Enable Receive Polarity Signal */ +#define RCVE 0x0400 /* Enable Receive Status Signal */ +#define JABE 0x0200 /* Enable Jabber Signal */ +#define COLE 0x0100 /* Enable Collision Signal */ + + + /* + * Receive Descriptor Ring Entry + */ + +struct RDRE { + volatile u_short RMD0; /* LADR[15:0] */ + volatile u_short RMD1; /* HADR[23:16] | Receive Flags */ + volatile u_short RMD2; /* Buffer Byte Count (two's complement) */ + volatile u_short RMD3; /* Message Byte Count */ +}; + + + /* + * Transmit Descriptor Ring Entry + */ + +struct TDRE { + volatile u_short TMD0; /* LADR[15:0] */ + volatile u_short TMD1; /* HADR[23:16] | Transmit Flags */ + volatile u_short TMD2; /* Buffer Byte Count (two's complement) */ + volatile u_short TMD3; /* Error Flags */ +}; + + + /* + * Receive Flags + */ + +#define RF_OWN 0x0080 /* PCnet-ISA controller owns the descriptor */ +#define RF_ERR 0x0040 /* Error */ +#define RF_FRAM 0x0020 /* Framing Error */ +#define RF_OFLO 0x0010 /* Overflow Error */ +#define RF_CRC 0x0008 /* CRC Error */ +#define RF_BUFF 0x0004 /* Buffer Error */ +#define RF_STP 0x0002 /* Start of Packet */ +#define RF_ENP 0x0001 /* End of Packet */ + + + /* + * Transmit Flags + */ + +#define TF_OWN 0x0080 /* PCnet-ISA controller owns the descriptor */ +#define TF_ERR 0x0040 /* Error */ +#define TF_ADD_FCS 0x0020 /* Controls FCS Generation */ +#define TF_MORE 0x0010 /* More than one retry needed */ +#define TF_ONE 0x0008 /* One retry needed */ +#define TF_DEF 0x0004 /* Deferred */ +#define TF_STP 0x0002 /* Start of Packet */ +#define TF_ENP 0x0001 /* End of Packet */ + + + /* + * Error Flags + */ + +#define EF_BUFF 0x0080 /* Buffer Error */ +#define EF_UFLO 0x0040 /* Underflow Error */ +#define EF_LCOL 0x0010 /* Late Collision */ +#define EF_LCAR 0x0008 /* Loss of Carrier */ +#define EF_RTRY 0x0004 /* Retry Error */ +#define EF_TDR 0xff03 /* Time Domain Reflectometry */ + + + + /* + * MC68230 Parallel Interface/Timer + */ + +struct MC68230 { + volatile u_char PGCR; /* Port General Control Register */ + u_char Pad1[1]; + volatile u_char PSRR; /* Port Service Request Register */ + u_char Pad2[1]; + volatile u_char PADDR; /* Port A Data Direction Register */ + u_char Pad3[1]; + volatile u_char PBDDR; /* Port B Data Direction Register */ + u_char Pad4[1]; + volatile u_char PCDDR; /* Port C Data Direction Register */ + u_char Pad5[1]; + volatile u_char PIVR; /* Port Interrupt Vector Register */ + u_char Pad6[1]; + volatile u_char PACR; /* Port A Control Register */ + u_char Pad7[1]; + volatile u_char PBCR; /* Port B Control Register */ + u_char Pad8[1]; + volatile u_char PADR; /* Port A Data Register */ + u_char Pad9[1]; + volatile u_char PBDR; /* Port B Data Register */ + u_char Pad10[1]; + volatile u_char PAAR; /* Port A Alternate Register */ + u_char Pad11[1]; + volatile u_char PBAR; /* Port B Alternate Register */ + u_char Pad12[1]; + volatile u_char PCDR; /* Port C Data Register */ + u_char Pad13[1]; + volatile u_char PSR; /* Port Status Register */ + u_char Pad14[5]; + volatile u_char TCR; /* Timer Control Register */ + u_char Pad15[1]; + volatile u_char TIVR; /* Timer Interrupt Vector Register */ + u_char Pad16[3]; + volatile u_char CPRH; /* Counter Preload Register (High) */ + u_char Pad17[1]; + volatile u_char CPRM; /* Counter Preload Register (Mid) */ + u_char Pad18[1]; + volatile u_char CPRL; /* Counter Preload Register (Low) */ + u_char Pad19[3]; + volatile u_char CNTRH; /* Count Register (High) */ + u_char Pad20[1]; + volatile u_char CNTRM; /* Count Register (Mid) */ + u_char Pad21[1]; + volatile u_char CNTRL; /* Count Register (Low) */ + u_char Pad22[1]; + volatile u_char TSR; /* Timer Status Register */ + u_char Pad23[11]; +}; + + + /* + * Ariadne Expansion Board Structure + */ + +#define ARIADNE_LANCE 0x360 + +#define ARIADNE_PIT 0x1000 + +#define ARIADNE_BOOTPROM 0x4000 /* I guess it's here :-) */ +#define ARIADNE_BOOTPROM_SIZE 0x4000 + +#define ARIADNE_RAM 0x8000 /* Always access WORDs!! */ +#define ARIADNE_RAM_SIZE 0x8000 + |