|  | /************************************************************************** | 
|  | ETHERBOOT -  BOOTP/TFTP Bootstrap Program | 
|  |  | 
|  | Author: Martin Renters | 
|  | Date: Jun/94 | 
|  |  | 
|  | **************************************************************************/ | 
|  |  | 
|  | #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: | 
|  | */ | 
|  |  |