| /* |
| Written 1994 by David C. Davies. |
| |
| Copyright 1994 David C. Davies. This software may be used and distributed |
| according to the terms of the GNU Public License, incorporated herein by |
| reference. |
| */ |
| |
| /* |
| ** I/O addresses. Note that the 2k buffer option is not supported in |
| ** this driver. |
| */ |
| #define DEPCA_NICSR ioaddr+0x00 /* Network interface CSR */ |
| #define DEPCA_RBI ioaddr+0x02 /* RAM buffer index (2k buffer mode) */ |
| #define DEPCA_DATA ioaddr+0x04 /* LANCE registers' data port */ |
| #define DEPCA_ADDR ioaddr+0x06 /* LANCE registers' address port */ |
| #define DEPCA_PROM ioaddr+0x0c /* Ethernet address ROM data port */ |
| #define DEPCA_RBSA ioaddr+0x0e /* RAM buffer starting address (2k buff.) */ |
| |
| /* |
| ** These are LANCE registers addressable through DEPCA_ADDR |
| */ |
| #define CSR0 0 |
| #define CSR1 1 |
| #define CSR2 2 |
| #define CSR3 3 |
| |
| /* |
| ** NETWORK INTERFACE CSR (NI_CSR) bit definitions |
| */ |
| |
| #define TO 0x0100 /* Time Out for remote boot */ |
| #define SHE 0x0080 /* SHadow memory Enable */ |
| #define BS 0x0040 /* Bank Select */ |
| #define BUF 0x0020 /* BUFfer size (1->32k, 0->64k) */ |
| #define RBE 0x0010 /* Remote Boot Enable (1->net boot) */ |
| #define AAC 0x0008 /* for DEPCA family compatability */ |
| #define IM 0x0004 /* Interrupt Mask (1->mask) */ |
| #define IEN 0x0002 /* Interrupt tristate ENable (1->enable) */ |
| #define LED 0x0001 /* LED control */ |
| |
| /* |
| ** Control and Status Register 0 (CSR0) bit definitions |
| */ |
| |
| #define ERR 0x8000 /* Error summary */ |
| #define BABL 0x4000 /* Babble transmitter timeout error */ |
| #define CERR 0x2000 /* Collision Error */ |
| #define MISS 0x1000 /* Missed packet */ |
| #define MERR 0x0800 /* Memory Error */ |
| #define RINT 0x0400 /* Receiver Interrupt */ |
| #define TINT 0x0200 /* Transmit Interrupt */ |
| #define IDON 0x0100 /* Initialization Done */ |
| #define INTR 0x0080 /* Interrupt Flag */ |
| #define INEA 0x0040 /* Interrupt Enable */ |
| #define RXON 0x0020 /* Receiver on */ |
| #define TXON 0x0010 /* Transmitter on */ |
| #define TDMD 0x0008 /* Transmit Demand */ |
| #define STOP 0x0004 /* Stop */ |
| #define STRT 0x0002 /* Start */ |
| #define INIT 0x0001 /* Initialize */ |
| |
| /* |
| ** CONTROL AND STATUS REGISTER 3 (CSR3) |
| */ |
| |
| #define BSWP 0x0004 /* Byte SWaP */ |
| #define ACON 0x0002 /* ALE control */ |
| #define BCON 0x0001 /* Byte CONtrol */ |
| |
| /* |
| ** Initialization Block Mode Register |
| */ |
| |
| #define PROM 0x8000 /* Promiscuous Mode */ |
| #define EMBA 0x0080 /* Enable Modified Back-off Algorithm */ |
| #define INTL 0x0040 /* Internal Loopback */ |
| #define DRTY 0x0020 /* Disable Retry */ |
| #define COLL 0x0010 /* Force Collision */ |
| #define DTCR 0x0008 /* Disable Transmit CRC */ |
| #define LOOP 0x0004 /* Loopback */ |
| #define DTX 0x0002 /* Disable the Transmitter */ |
| #define DRX 0x0001 /* Disable the Receiver */ |
| |
| /* |
| ** Receive Message Descriptor 1 (RMD1) bit definitions. |
| */ |
| |
| #define R_OWN 0x80000000 /* Owner bit 0 = host, 1 = lance */ |
| #define R_ERR 0x4000 /* Error Summary */ |
| #define R_FRAM 0x2000 /* Framing Error */ |
| #define R_OFLO 0x1000 /* Overflow Error */ |
| #define R_CRC 0x0800 /* CRC Error */ |
| #define R_BUFF 0x0400 /* Buffer Error */ |
| #define R_STP 0x0200 /* Start of Packet */ |
| #define R_ENP 0x0100 /* End of Packet */ |
| |
| /* |
| ** Transmit Message Descriptor 1 (TMD1) bit definitions. |
| */ |
| |
| #define T_OWN 0x80000000 /* Owner bit 0 = host, 1 = lance */ |
| #define T_ERR 0x4000 /* Error Summary */ |
| #define T_ADD_FCS 0x2000 /* More the 1 retry needed to Xmit */ |
| #define T_MORE 0x1000 /* >1 retry to transmit packet */ |
| #define T_ONE 0x0800 /* 1 try needed to transmit the packet */ |
| #define T_DEF 0x0400 /* Deferred */ |
| #define T_STP 0x02000000 /* Start of Packet */ |
| #define T_ENP 0x01000000 /* End of Packet */ |
| |
| /* |
| ** Transmit Message Descriptor 3 (TMD3) bit definitions. |
| */ |
| |
| #define TMD3_BUFF 0x8000 /* BUFFer error */ |
| #define TMD3_UFLO 0x4000 /* UnderFLOw error */ |
| #define TMD3_RES 0x2000 /* REServed */ |
| #define TMD3_LCOL 0x1000 /* Late COLlision */ |
| #define TMD3_LCAR 0x0800 /* Loss of CARrier */ |
| #define TMD3_RTRY 0x0400 /* ReTRY error */ |
| |
| /* |
| ** Miscellaneous |
| */ |
| |
| #define MASK_INTERRUPTS 1 |
| #define UNMASK_INTERRUPTS 0 |
| |