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|
/* $OpenBSD: if_edreg.h,v 1.4 1998/03/16 10:41:42 downsj Exp $ */
/* $NetBSD: if_edreg.h,v 1.15 1996/01/10 16:49:22 chuck Exp $ */
/*
* National Semiconductor DS8390 NIC register definitions.
*
* Copyright (C) 1993, David Greenman. This software may be used, modified,
* copied, distributed, and sold, in both source and binary form provided that
* the above copyright and these terms are retained. Under no circumstances is
* the author responsible for the proper functioning of this software, nor does
* the author assume any responsibility for damages incurred with its use.
*/
/*
* Vendor types
*/
#define ED_VENDOR_WD_SMC 0x00 /* Western Digital/SMC */
#define ED_VENDOR_3COM 0x01 /* 3Com */
#define ED_VENDOR_NOVELL 0x02 /* Novell */
/*
* Compile-time config flags
*/
/*
* This sets the default for enabling/disablng the tranceiver.
*/
#define ED_FLAGS_DISABLE_TRANCEIVER 0x0001
/*
* This forces the board to be used in 8/16-bit mode even if it autoconfigs
* differently.
*/
#define ED_FLAGS_FORCE_8BIT_MODE 0x0002
#define ED_FLAGS_FORCE_16BIT_MODE 0x0004
/*
* This disables the use of double transmit buffers.
*/
#define ED_FLAGS_NO_MULTI_BUFFERING 0x0008
/*
* This forces all operations with the NIC memory to use Programmed I/O (i.e.
* not via shared memory).
*/
#define ED_FLAGS_FORCE_PIO 0x0010
/*
* Definitions for Western digital/SMC WD80x3 series ASIC
*/
/*
* Memory Select Register (MSR)
*/
#define ED_WD_MSR 0
/* next three definitions for Toshiba */
#define ED_WD_MSR_POW 0x02 /* 0 = power save, 1 = normal (R/W) */
#define ED_WD_MSR_BSY 0x04 /* gate array busy (R) */
#define ED_WD_MSR_LEN 0x20 /* 0 = 16-bit, 1 = 8-bit (R/W) */
#define ED_WD_MSR_ADDR 0x3f /* Memory decode bits 18-13 */
#define ED_WD_MSR_MENB 0x40 /* Memory enable */
#define ED_WD_MSR_RST 0x80 /* Reset board */
/*
* Interface Configuration Register (ICR)
*/
#define ED_WD_ICR 1
#define ED_WD_ICR_16BIT 0x01 /* 16-bit interface */
#define ED_WD_ICR_OAR 0x02 /* select register (0=BIO 1=EAR) */
#define ED_WD_ICR_IR2 0x04 /* high order bit of encoded IRQ */
#define ED_WD_ICR_MSZ 0x08 /* memory size (0=8k 1=32k) */
#define ED_WD_ICR_RLA 0x10 /* recall LAN address */
#define ED_WD_ICR_RX7 0x20 /* recall all but i/o and LAN address */
#define ED_WD_ICR_RIO 0x40 /* recall i/o address */
#define ED_WD_ICR_STO 0x80 /* store to non-volatile memory */
#ifdef TOSH_ETHER
#define ED_WD_ICR_MEM 0xe0 /* shared mem address A15-A13 (R/W) */
#define ED_WD_ICR_MSZ1 0x0f /* memory size, 0x08 = 64K, 0x04 = 32K,
0x02 = 16K, 0x01 = 8K */
/* 64K can only be used if mem address
above 1MB */
/* IAR holds address A23-A16 (R/W) */
#endif
/*
* IO Address Register (IAR)
*/
#define ED_WD_IAR 2
/*
* EEROM Address Register
*/
#define ED_WD_EAR 3
/*
* Interrupt Request Register (IRR)
*/
#define ED_WD_IRR 4
#define ED_WD_IRR_0WS 0x01 /* use 0 wait-states on 8 bit bus */
#define ED_WD_IRR_OUT1 0x02 /* WD83C584 pin 1 output */
#define ED_WD_IRR_OUT2 0x04 /* WD83C584 pin 2 output */
#define ED_WD_IRR_OUT3 0x08 /* WD83C584 pin 3 output */
#define ED_WD_IRR_FLASH 0x10 /* Flash RAM is in the ROM socket */
/*
* The three bits of the encoded IRQ are decoded as follows:
*
* IR2 IR1 IR0 IRQ
* 0 0 0 2/9
* 0 0 1 3
* 0 1 0 5
* 0 1 1 7
* 1 0 0 10
* 1 0 1 11
* 1 1 0 15
* 1 1 1 4
*/
#define ED_WD_IRR_IR0 0x20 /* bit 0 of encoded IRQ */
#define ED_WD_IRR_IR1 0x40 /* bit 1 of encoded IRQ */
#define ED_WD_IRR_IEN 0x80 /* Interrupt enable */
/*
* LA Address Register (LAAR)
*/
#define ED_WD_LAAR 5
#define ED_WD_LAAR_ADDRHI 0x1f /* bits 23-19 of RAM address */
#define ED_WD_LAAR_0WS16 0x20 /* enable 0 wait-states on 16 bit bus */
#define ED_WD_LAAR_L16EN 0x40 /* enable 16-bit operation */
#define ED_WD_LAAR_M16EN 0x80 /* enable 16-bit memory access */
/* i/o base offset to station address/card-ID PROM */
#define ED_WD_PROM 8
/*
* 83C790 specific registers
*/
/*
* Hardware Support Register (HWR) ('790)
*/
#define ED_WD790_HWR 4
#define ED_WD790_HWR_RST 0x10 /* hardware reset */
#define ED_WD790_HWR_LPRM 0x40 /* LAN PROM select */
#define ED_WD790_HWR_SWH 0x80 /* switch register set */
/*
* ICR790 Interrupt Control Register for the 83C790
*/
#define ED_WD790_ICR 6
#define ED_WD790_ICR_EIL 0x01 /* enable interrupts */
/*
* REV/IOPA Revision / I/O Pipe register for the 83C79X
*/
#define ED_WD790_REV 7
#define ED_WD790 0x20 /* and 0x21... */
#define ED_WD795 0x40 /* and 0x41... */
/*
* PIO mode register for the 83C795
*/
#define ED_WD795_PIO 8
/*
* 79X RAM Address Register (RAR)
* Enabled with SWH bit=1 in HWR register
*/
#define ED_WD790_RAR 0x0b
#define ED_WD790_RAR_SZ8 0x00 /* 8k memory buffer */
#define ED_WD790_RAR_SZ16 0x10 /* 16k memory buffer */
#define ED_WD790_RAR_SZ32 0x20 /* 32k memory buffer */
#define ED_WD790_RAR_SZ64 0x30 /* 64k memory buffer */
/*
* General Control Register (GCR)
* Eanbled with SWH bit == 1 in HWR register
*/
#define ED_WD790_GCR 0x0d
#define ED_WD790_GCR_IR0 0x04 /* bit 0 of encoded IRQ */
#define ED_WD790_GCR_IR1 0x08 /* bit 1 of encoded IRQ */
#define ED_WD790_GCR_ZWSEN 0x20 /* zero wait state enable */
#define ED_WD790_GCR_IR2 0x40 /* bit 2 of encoded IRQ */
/*
* The three bits of the encoded IRQ are decoded as follows:
*
* IR2 IR1 IR0 IRQ
* 0 0 0 none
* 0 0 1 9
* 0 1 0 3
* 0 1 1 5
* 1 0 0 7
* 1 0 1 10
* 1 1 0 11
* 1 1 1 15
*/
/* i/o base offset to CARD ID */
#define ED_WD_CARD_ID ED_WD_PROM+6
/* Board type codes in card ID */
#define ED_TYPE_WD8003S 0x02
#define ED_TYPE_WD8003E 0x03
#define ED_TYPE_WD8013EBT 0x05
#define ED_TYPE_TOSHIBA1 0x11 /* named PCETA1 */
#define ED_TYPE_TOSHIBA2 0x12 /* named PCETA2 */
#define ED_TYPE_TOSHIBA3 0x13 /* named PCETB */
#define ED_TYPE_TOSHIBA4 0x14 /* named PCETC */
#define ED_TYPE_WD8003W 0x24
#define ED_TYPE_WD8003EB 0x25
#define ED_TYPE_WD8013W 0x26
#define ED_TYPE_WD8013EP 0x27
#define ED_TYPE_WD8013WC 0x28
#define ED_TYPE_WD8013EPC 0x29
#define ED_TYPE_SMC8216T 0x2a
#define ED_TYPE_SMC8216C 0x2b
#define ED_TYPE_WD8013EBP 0x2c
/* Bit definitions in card ID */
#define ED_WD_REV_MASK 0x1f /* Revision mask */
#define ED_WD_SOFTCONFIG 0x20 /* Soft config */
#define ED_WD_LARGERAM 0x40 /* Large RAM */
#define ED_MICROCHANEL 0x80 /* Microchannel bus (vs. isa) */
/*
* Checksum total. All 8 bytes in station address PROM will add up to this.
*/
#ifdef TOSH_ETHER
#define ED_WD_ROM_CHECKSUM_TOTAL 0xA5
#else
#define ED_WD_ROM_CHECKSUM_TOTAL 0xFF
#endif
#define ED_WD_NIC_OFFSET 0x10 /* I/O base offset to NIC */
#define ED_WD_ASIC_OFFSET 0 /* I/O base offset to ASIC */
#define ED_WD_IO_PORTS 32 /* # of i/o addresses used */
#define ED_WD_PAGE_OFFSET 0 /* page offset for NIC access to mem */
/*
* Definitions for 3Com 3c503
*/
#define ED_3COM_NIC_OFFSET 0
#define ED_3COM_ASIC_OFFSET 0x400 /* offset to nic i/o regs */
/*
* XXX - The I/O address range is fragmented in the 3c503; this is the
* number of regs at iobase.
*/
#define ED_3COM_IO_PORTS 16 /* # of i/o addresses used */
/* tx memory starts in second bank on 8bit cards */
#define ED_3COM_TX_PAGE_OFFSET_8BIT 0x20
/* tx memory starts in first bank on 16bit cards */
#define ED_3COM_TX_PAGE_OFFSET_16BIT 0x0
/* ...and rx memory starts in second bank */
#define ED_3COM_RX_PAGE_OFFSET_16BIT 0x20
/*
* Page Start Register. Must match PSTART in NIC.
*/
#define ED_3COM_PSTR 0
/*
* Page Stop Register. Must match PSTOP in NIC.
*/
#define ED_3COM_PSPR 1
/*
* DrQ Timer Register. Determines number of bytes to be transfered during a
* DMA burst.
*/
#define ED_3COM_DQTR 2
/*
* Base Configuration Register. Read-only register which contains the
* board-configured I/O base address of the adapter. Bit encoded.
*/
#define ED_3COM_BCFR 3
/*
* EPROM Configuration Register. Read-only register which contains the
* board-configured memory base address. Bit encoded.
*/
#define ED_3COM_PCFR 4
/*
* GA Configuration Register. Gate-Array Configuration Register.
*
* mbs2 mbs1 mbs0 start address
* 0 0 0 0x0000
* 0 0 1 0x2000
* 0 1 0 0x4000
* 0 1 1 0x6000
*
* Note that with adapters with only 8K, the setting for 0x2000 must always be
* used.
*/
#define ED_3COM_GACFR 5
#define ED_3COM_GACFR_MBS0 0x01
#define ED_3COM_GACFR_MBS1 0x02
#define ED_3COM_GACFR_MBS2 0x04
#define ED_3COM_GACFR_RSEL 0x08 /* enable shared memory */
#define ED_3COM_GACFR_TEST 0x10 /* for GA testing */
#define ED_3COM_GACFR_OWS 0x20 /* select 0WS access to GA */
#define ED_3COM_GACFR_TCM 0x40 /* Mask DMA interrupts */
#define ED_3COM_GACFR_NIM 0x80 /* Mask NIC interrupts */
/*
* Control Register. Miscellaneous control functions.
*/
#define ED_3COM_CR 6
#define ED_3COM_CR_RST 0x01 /* Reset GA and NIC */
#define ED_3COM_CR_XSEL 0x02 /* Transceiver select. BNC=1(def) AUI=0 */
#define ED_3COM_CR_EALO 0x04 /* window EA PROM 0-15 to I/O base */
#define ED_3COM_CR_EAHI 0x08 /* window EA PROM 16-31 to I/O base */
#define ED_3COM_CR_SHARE 0x10 /* select interrupt sharing option */
#define ED_3COM_CR_DBSEL 0x20 /* Double buffer select */
#define ED_3COM_CR_DDIR 0x40 /* DMA direction select */
#define ED_3COM_CR_START 0x80 /* Start DMA controller */
/*
* Status Register. Miscellaneous status information.
*/
#define ED_3COM_STREG 7
#define ED_3COM_STREG_REV 0x07 /* GA revision */
#define ED_3COM_STREG_DIP 0x08 /* DMA in progress */
#define ED_3COM_STREG_DTC 0x10 /* DMA terminal count */
#define ED_3COM_STREG_OFLW 0x20 /* Overflow */
#define ED_3COM_STREG_UFLW 0x40 /* Underflow */
#define ED_3COM_STREG_DPRDY 0x80 /* Data port ready */
/*
* Interrupt/DMA Configuration Register
*/
#define ED_3COM_IDCFR 8
#define ED_3COM_IDCFR_DRQ 0x07 /* DMA request */
#define ED_3COM_IDCFR_UNUSED 0x08 /* not used */
#if 0
#define ED_3COM_IDCFR_IRQ 0xF0 /* Interrupt request */
#else
#define ED_3COM_IDCFR_IRQ2 0x10 /* Interrupt request 2 select */
#define ED_3COM_IDCFR_IRQ3 0x20 /* Interrupt request 3 select */
#define ED_3COM_IDCFR_IRQ4 0x40 /* Interrupt request 4 select */
#define ED_3COM_IDCFR_IRQ5 0x80 /* Interrupt request 5 select */
#endif
/*
* DMA Address Register MSB
*/
#define ED_3COM_DAMSB 9
/*
* DMA Address Register LSB
*/
#define ED_3COM_DALSB 0x0a
/*
* Vector Pointer Register 2
*/
#define ED_3COM_VPTR2 0x0b
/*
* Vector Pointer Register 1
*/
#define ED_3COM_VPTR1 0x0c
/*
* Vector Pointer Register 0
*/
#define ED_3COM_VPTR0 0x0d
/*
* Register File Access MSB
*/
#define ED_3COM_RFMSB 0x0e
/*
* Register File Access LSB
*/
#define ED_3COM_RFLSB 0x0f
/*
* Definitions for Novell NE1000/2000 boards
*/
/*
* Board type codes
*/
#define ED_TYPE_NE1000 0x01
#define ED_TYPE_NE2000 0x02
/*
* Register offsets/total
*/
#define ED_NOVELL_NIC_OFFSET 0x00
#define ED_NOVELL_ASIC_OFFSET 0x10
#define ED_NOVELL_IO_PORTS 32
/*
* Remote DMA data register; for reading or writing to the NIC mem via
* programmed I/O (offset from ASIC base).
*/
#define ED_NOVELL_DATA 0x00
/*
* Reset register; reading from this register causes a board reset.
*/
#define ED_NOVELL_RESET 0x0f
|
