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/**************************************************************************
ETHERBOOT -  BOOTP/TFTP Bootstrap Program

Author: Martin Renters
  Date: Jun/94

**************************************************************************/

#define VENDOR_NONE	0
#define VENDOR_WD	1
#define VENDOR_NOVELL	2
#define VENDOR_3COM	3

#define FLAG_PIO	0x01
#define FLAG_16BIT	0x02
#define FLAG_790	0x04

#define MEM_8192	32
#define MEM_16384	64
#define MEM_32768	128

#define	ISA_MAX_ADDR	0x400

/**************************************************************************
Western Digital/SMC Board Definitions
**************************************************************************/
#define WD_LOW_BASE	0x200
#define WD_HIGH_BASE	0x3e0
#ifndef	WD_DEFAULT_MEM
#define WD_DEFAULT_MEM	0xD0000
#endif
#define WD_NIC_ADDR	0x10

/**************************************************************************
Western Digital/SMC ASIC Addresses
**************************************************************************/
#define WD_MSR		0x00
#define WD_ICR		0x01
#define WD_IAR		0x02
#define WD_BIO		0x03
#define WD_IRR		0x04
#define WD_LAAR		0x05
#define WD_IJR		0x06
#define WD_GP2		0x07
#define WD_LAR		0x08
#define WD_BID		0x0E

#define WD_ICR_16BIT	0x01

#define WD_MSR_MENB	0x40

#define WD_LAAR_L16EN	0x40
#define WD_LAAR_M16EN	0x80

#define WD_SOFTCONFIG	0x20

/**************************************************************************
Western Digital/SMC Board Types
**************************************************************************/
#define TYPE_WD8003S	0x02
#define TYPE_WD8003E	0x03
#define TYPE_WD8013EBT	0x05
#define TYPE_WD8003W	0x24
#define TYPE_WD8003EB	0x25
#define TYPE_WD8013W	0x26
#define TYPE_WD8013EP	0x27
#define TYPE_WD8013WC	0x28
#define TYPE_WD8013EPC	0x29
#define TYPE_SMC8216T	0x2a
#define TYPE_SMC8216C	0x2b
#define TYPE_SMC8416T	0x00	/* Bogus entries: the 8416 generates the */
#define TYPE_SMC8416C	0x00	/* the same codes as the 8216. */
#define TYPE_SMC8013EBP	0x2c

/**************************************************************************
3com 3c503 definitions
**************************************************************************/

#ifndef	_3COM_BASE
#define _3COM_BASE 0x300
#endif

#define _3COM_TX_PAGE_OFFSET_8BIT     0x20
#define _3COM_TX_PAGE_OFFSET_16BIT    0x0
#define _3COM_RX_PAGE_OFFSET_16BIT    0x20

#define _3COM_ASIC_OFFSET 0x400
#define _3COM_NIC_OFFSET 0x0

#define _3COM_PSTR            0
#define _3COM_PSPR            1

#define _3COM_BCFR            3
#define _3COM_BCFR_2E0        0x01
#define _3COM_BCFR_2A0        0x02
#define _3COM_BCFR_280        0x04
#define _3COM_BCFR_250        0x08
#define _3COM_BCFR_350        0x10
#define _3COM_BCFR_330        0x20
#define _3COM_BCFR_310        0x40
#define _3COM_BCFR_300        0x80
#define _3COM_PCFR            4
#define _3COM_PCFR_PIO        0
#define _3COM_PCFR_C8000      0x10
#define _3COM_PCFR_CC000      0x20
#define _3COM_PCFR_D8000      0x40
#define _3COM_PCFR_DC000      0x80
#define _3COM_CR              6
#define _3COM_CR_RST          0x01    /* Reset GA and NIC */
#define _3COM_CR_XSEL         0x02    /* Transceiver select. BNC=1(def) AUI=0 */
#define _3COM_CR_EALO         0x04    /* window EA PROM 0-15 to I/O base */
#define _3COM_CR_EAHI         0x08    /* window EA PROM 16-31 to I/O base */
#define _3COM_CR_SHARE        0x10    /* select interrupt sharing option */
#define _3COM_CR_DBSEL        0x20    /* Double buffer select */
#define _3COM_CR_DDIR         0x40    /* DMA direction select */
#define _3COM_CR_START        0x80    /* Start DMA controller */
#define _3COM_GACFR           5
#define _3COM_GACFR_MBS0      0x01
#define _3COM_GACFR_MBS1      0x02
#define _3COM_GACFR_MBS2      0x04
#define _3COM_GACFR_RSEL      0x08    /* enable shared memory */
#define _3COM_GACFR_TEST      0x10    /* for GA testing */
#define _3COM_GACFR_OWS       0x20    /* select 0WS access to GA */
#define _3COM_GACFR_TCM       0x40    /* Mask DMA interrupts */
#define _3COM_GACFR_NIM       0x80    /* Mask NIC interrupts */
#define _3COM_STREG           7
#define _3COM_STREG_REV       0x07    /* GA revision */
#define _3COM_STREG_DIP       0x08    /* DMA in progress */
#define _3COM_STREG_DTC       0x10    /* DMA terminal count */
#define _3COM_STREG_OFLW      0x20    /* Overflow */
#define _3COM_STREG_UFLW      0x40    /* Underflow */
#define _3COM_STREG_DPRDY     0x80    /* Data port ready */
#define _3COM_IDCFR           8
#define _3COM_IDCFR_DRQ0      0x01    /* DMA request 1 select */
#define _3COM_IDCFR_DRQ1      0x02    /* DMA request 2 select */
#define _3COM_IDCFR_DRQ2      0x04    /* DMA request 3 select */
#define _3COM_IDCFR_UNUSED    0x08    /* not used */
#define _3COM_IDCFR_IRQ2      0x10    /* Interrupt request 2 select */
#define _3COM_IDCFR_IRQ3      0x20    /* Interrupt request 3 select */
#define _3COM_IDCFR_IRQ4      0x40    /* Interrupt request 4 select */
#define _3COM_IDCFR_IRQ5      0x80    /* Interrupt request 5 select */
#define _3COM_IRQ2      2
#define _3COM_IRQ3      3
#define _3COM_IRQ4      4
#define _3COM_IRQ5      5
#define _3COM_DAMSB           9
#define _3COM_DALSB           0x0a
#define _3COM_VPTR2           0x0b
#define _3COM_VPTR1           0x0c
#define _3COM_VPTR0           0x0d
#define _3COM_RFMSB           0x0e
#define _3COM_RFLSB           0x0f

/**************************************************************************
NE1000/2000 definitions
**************************************************************************/
#define NE_ASIC_OFFSET	0x10
#define NE_RESET	0x0F		/* Used to reset card */
#define NE_DATA		0x00		/* Used to read/write NIC mem */

#define COMPEX_RL2000_TRIES	200

/**************************************************************************
8390 Register Definitions
**************************************************************************/
#define D8390_P0_COMMAND	0x00
#define D8390_P0_PSTART		0x01
#define D8390_P0_PSTOP		0x02
#define D8390_P0_BOUND		0x03
#define D8390_P0_TSR		0x04
#define	D8390_P0_TPSR		0x04
#define D8390_P0_TBCR0		0x05
#define D8390_P0_TBCR1		0x06
#define D8390_P0_ISR		0x07
#define D8390_P0_RSAR0		0x08
#define D8390_P0_RSAR1		0x09
#define D8390_P0_RBCR0		0x0A
#define D8390_P0_RBCR1		0x0B
#define D8390_P0_RSR		0x0C
#define D8390_P0_RCR		0x0C
#define D8390_P0_TCR		0x0D
#define D8390_P0_DCR		0x0E
#define D8390_P0_IMR		0x0F
#define D8390_P1_COMMAND	0x00
#define D8390_P1_PAR0		0x01
#define D8390_P1_PAR1		0x02
#define D8390_P1_PAR2		0x03
#define D8390_P1_PAR3		0x04
#define D8390_P1_PAR4		0x05
#define D8390_P1_PAR5		0x06
#define D8390_P1_CURR		0x07
#define D8390_P1_MAR0		0x08

#define D8390_COMMAND_PS0	0x0		/* Page 0 select */
#define D8390_COMMAND_PS1	0x40		/* Page 1 select */
#define D8390_COMMAND_PS2	0x80		/* Page 2 select */
#define	D8390_COMMAND_RD2	0x20		/* Remote DMA control */
#define D8390_COMMAND_RD1	0x10
#define D8390_COMMAND_RD0	0x08
#define D8390_COMMAND_TXP	0x04		/* transmit packet */
#define D8390_COMMAND_STA	0x02		/* start */
#define D8390_COMMAND_STP	0x01		/* stop */

#define D8390_RCR_MON		0x20		/* monitor mode */

#define D8390_DCR_FT1		0x40
#define D8390_DCR_LS		0x08		/* Loopback select */
#define D8390_DCR_WTS		0x01		/* Word transfer select */

#define D8390_ISR_PRX		0x01		/* successful recv */
#define D8390_ISR_PTX		0x02		/* successful xmit */
#define D8390_ISR_RXE		0x04		/* receive error */
#define D8390_ISR_TXE		0x08		/* transmit error */
#define D8390_ISR_OVW		0x10		/* Overflow */
#define D8390_ISR_CNT		0x20		/* Counter overflow */
#define D8390_ISR_RDC		0x40		/* Remote DMA complete */
#define D8390_ISR_RST		0x80		/* reset */

#define D8390_RSTAT_PRX		0x01		/* successful recv */
#define D8390_RSTAT_CRC		0x02		/* CRC error */
#define D8390_RSTAT_FAE		0x04		/* Frame alignment error */
#define D8390_RSTAT_OVER	0x08		/* FIFO overrun */

#define D8390_TXBUF_SIZE	6
#define D8390_RXBUF_END		32
#define D8390_PAGE_SIZE         256

struct ringbuffer {
	unsigned char status;
	unsigned char next;
	unsigned short len;
};
/*
 * Local variables:
 *  c-basic-offset: 8
 * End:
 */