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      1 /**************************************************************************
      2 ETHERBOOT -  BOOTP/TFTP Bootstrap Program
      3 
      4 Author: Martin Renters
      5   Date: Jun/94
      6 
      7 **************************************************************************/
      8 
      9 #define VENDOR_NONE	0
     10 #define VENDOR_WD	1
     11 #define VENDOR_NOVELL	2
     12 #define VENDOR_3COM	3
     13 
     14 #define FLAG_PIO	0x01
     15 #define FLAG_16BIT	0x02
     16 #define FLAG_790	0x04
     17 
     18 #define MEM_8192	32
     19 #define MEM_16384	64
     20 #define MEM_32768	128
     21 
     22 #define	ISA_MAX_ADDR	0x400
     23 
     24 /**************************************************************************
     25 Western Digital/SMC Board Definitions
     26 **************************************************************************/
     27 #define WD_LOW_BASE	0x200
     28 #define WD_HIGH_BASE	0x3e0
     29 #ifndef	WD_DEFAULT_MEM
     30 #define WD_DEFAULT_MEM	0xD0000
     31 #endif
     32 #define WD_NIC_ADDR	0x10
     33 
     34 /**************************************************************************
     35 Western Digital/SMC ASIC Addresses
     36 **************************************************************************/
     37 #define WD_MSR		0x00
     38 #define WD_ICR		0x01
     39 #define WD_IAR		0x02
     40 #define WD_BIO		0x03
     41 #define WD_IRR		0x04
     42 #define WD_LAAR		0x05
     43 #define WD_IJR		0x06
     44 #define WD_GP2		0x07
     45 #define WD_LAR		0x08
     46 #define WD_BID		0x0E
     47 
     48 #define WD_ICR_16BIT	0x01
     49 
     50 #define WD_MSR_MENB	0x40
     51 
     52 #define WD_LAAR_L16EN	0x40
     53 #define WD_LAAR_M16EN	0x80
     54 
     55 #define WD_SOFTCONFIG	0x20
     56 
     57 /**************************************************************************
     58 Western Digital/SMC Board Types
     59 **************************************************************************/
     60 #define TYPE_WD8003S	0x02
     61 #define TYPE_WD8003E	0x03
     62 #define TYPE_WD8013EBT	0x05
     63 #define TYPE_WD8003W	0x24
     64 #define TYPE_WD8003EB	0x25
     65 #define TYPE_WD8013W	0x26
     66 #define TYPE_WD8013EP	0x27
     67 #define TYPE_WD8013WC	0x28
     68 #define TYPE_WD8013EPC	0x29
     69 #define TYPE_SMC8216T	0x2a
     70 #define TYPE_SMC8216C	0x2b
     71 #define TYPE_SMC8416T	0x00	/* Bogus entries: the 8416 generates the */
     72 #define TYPE_SMC8416C	0x00	/* the same codes as the 8216. */
     73 #define TYPE_SMC8013EBP	0x2c
     74 
     75 /**************************************************************************
     76 3com 3c503 definitions
     77 **************************************************************************/
     78 
     79 #ifndef	_3COM_BASE
     80 #define _3COM_BASE 0x300
     81 #endif
     82 
     83 #define _3COM_TX_PAGE_OFFSET_8BIT     0x20
     84 #define _3COM_TX_PAGE_OFFSET_16BIT    0x0
     85 #define _3COM_RX_PAGE_OFFSET_16BIT    0x20
     86 
     87 #define _3COM_ASIC_OFFSET 0x400
     88 #define _3COM_NIC_OFFSET 0x0
     89 
     90 #define _3COM_PSTR            0
     91 #define _3COM_PSPR            1
     92 
     93 #define _3COM_BCFR            3
     94 #define _3COM_BCFR_2E0        0x01
     95 #define _3COM_BCFR_2A0        0x02
     96 #define _3COM_BCFR_280        0x04
     97 #define _3COM_BCFR_250        0x08
     98 #define _3COM_BCFR_350        0x10
     99 #define _3COM_BCFR_330        0x20
    100 #define _3COM_BCFR_310        0x40
    101 #define _3COM_BCFR_300        0x80
    102 #define _3COM_PCFR            4
    103 #define _3COM_PCFR_PIO        0
    104 #define _3COM_PCFR_C8000      0x10
    105 #define _3COM_PCFR_CC000      0x20
    106 #define _3COM_PCFR_D8000      0x40
    107 #define _3COM_PCFR_DC000      0x80
    108 #define _3COM_CR              6
    109 #define _3COM_CR_RST          0x01    /* Reset GA and NIC */
    110 #define _3COM_CR_XSEL         0x02    /* Transceiver select. BNC=1(def) AUI=0 */
    111 #define _3COM_CR_EALO         0x04    /* window EA PROM 0-15 to I/O base */
    112 #define _3COM_CR_EAHI         0x08    /* window EA PROM 16-31 to I/O base */
    113 #define _3COM_CR_SHARE        0x10    /* select interrupt sharing option */
    114 #define _3COM_CR_DBSEL        0x20    /* Double buffer select */
    115 #define _3COM_CR_DDIR         0x40    /* DMA direction select */
    116 #define _3COM_CR_START        0x80    /* Start DMA controller */
    117 #define _3COM_GACFR           5
    118 #define _3COM_GACFR_MBS0      0x01
    119 #define _3COM_GACFR_MBS1      0x02
    120 #define _3COM_GACFR_MBS2      0x04
    121 #define _3COM_GACFR_RSEL      0x08    /* enable shared memory */
    122 #define _3COM_GACFR_TEST      0x10    /* for GA testing */
    123 #define _3COM_GACFR_OWS       0x20    /* select 0WS access to GA */
    124 #define _3COM_GACFR_TCM       0x40    /* Mask DMA interrupts */
    125 #define _3COM_GACFR_NIM       0x80    /* Mask NIC interrupts */
    126 #define _3COM_STREG           7
    127 #define _3COM_STREG_REV       0x07    /* GA revision */
    128 #define _3COM_STREG_DIP       0x08    /* DMA in progress */
    129 #define _3COM_STREG_DTC       0x10    /* DMA terminal count */
    130 #define _3COM_STREG_OFLW      0x20    /* Overflow */
    131 #define _3COM_STREG_UFLW      0x40    /* Underflow */
    132 #define _3COM_STREG_DPRDY     0x80    /* Data port ready */
    133 #define _3COM_IDCFR           8
    134 #define _3COM_IDCFR_DRQ0      0x01    /* DMA request 1 select */
    135 #define _3COM_IDCFR_DRQ1      0x02    /* DMA request 2 select */
    136 #define _3COM_IDCFR_DRQ2      0x04    /* DMA request 3 select */
    137 #define _3COM_IDCFR_UNUSED    0x08    /* not used */
    138 #define _3COM_IDCFR_IRQ2      0x10    /* Interrupt request 2 select */
    139 #define _3COM_IDCFR_IRQ3      0x20    /* Interrupt request 3 select */
    140 #define _3COM_IDCFR_IRQ4      0x40    /* Interrupt request 4 select */
    141 #define _3COM_IDCFR_IRQ5      0x80    /* Interrupt request 5 select */
    142 #define _3COM_IRQ2      2
    143 #define _3COM_IRQ3      3
    144 #define _3COM_IRQ4      4
    145 #define _3COM_IRQ5      5
    146 #define _3COM_DAMSB           9
    147 #define _3COM_DALSB           0x0a
    148 #define _3COM_VPTR2           0x0b
    149 #define _3COM_VPTR1           0x0c
    150 #define _3COM_VPTR0           0x0d
    151 #define _3COM_RFMSB           0x0e
    152 #define _3COM_RFLSB           0x0f
    153 
    154 /**************************************************************************
    155 NE1000/2000 definitions
    156 **************************************************************************/
    157 #define NE_ASIC_OFFSET	0x10
    158 #define NE_RESET	0x0F		/* Used to reset card */
    159 #define NE_DATA		0x00		/* Used to read/write NIC mem */
    160 
    161 #define COMPEX_RL2000_TRIES	200
    162 
    163 /**************************************************************************
    164 8390 Register Definitions
    165 **************************************************************************/
    166 #define D8390_P0_COMMAND	0x00
    167 #define D8390_P0_PSTART		0x01
    168 #define D8390_P0_PSTOP		0x02
    169 #define D8390_P0_BOUND		0x03
    170 #define D8390_P0_TSR		0x04
    171 #define	D8390_P0_TPSR		0x04
    172 #define D8390_P0_TBCR0		0x05
    173 #define D8390_P0_TBCR1		0x06
    174 #define D8390_P0_ISR		0x07
    175 #define D8390_P0_RSAR0		0x08
    176 #define D8390_P0_RSAR1		0x09
    177 #define D8390_P0_RBCR0		0x0A
    178 #define D8390_P0_RBCR1		0x0B
    179 #define D8390_P0_RSR		0x0C
    180 #define D8390_P0_RCR		0x0C
    181 #define D8390_P0_TCR		0x0D
    182 #define D8390_P0_DCR		0x0E
    183 #define D8390_P0_IMR		0x0F
    184 #define D8390_P1_COMMAND	0x00
    185 #define D8390_P1_PAR0		0x01
    186 #define D8390_P1_PAR1		0x02
    187 #define D8390_P1_PAR2		0x03
    188 #define D8390_P1_PAR3		0x04
    189 #define D8390_P1_PAR4		0x05
    190 #define D8390_P1_PAR5		0x06
    191 #define D8390_P1_CURR		0x07
    192 #define D8390_P1_MAR0		0x08
    193 
    194 #define D8390_COMMAND_PS0	0x0		/* Page 0 select */
    195 #define D8390_COMMAND_PS1	0x40		/* Page 1 select */
    196 #define D8390_COMMAND_PS2	0x80		/* Page 2 select */
    197 #define	D8390_COMMAND_RD2	0x20		/* Remote DMA control */
    198 #define D8390_COMMAND_RD1	0x10
    199 #define D8390_COMMAND_RD0	0x08
    200 #define D8390_COMMAND_TXP	0x04		/* transmit packet */
    201 #define D8390_COMMAND_STA	0x02		/* start */
    202 #define D8390_COMMAND_STP	0x01		/* stop */
    203 
    204 #define D8390_RCR_MON		0x20		/* monitor mode */
    205 
    206 #define D8390_DCR_FT1		0x40
    207 #define D8390_DCR_LS		0x08		/* Loopback select */
    208 #define D8390_DCR_WTS		0x01		/* Word transfer select */
    209 
    210 #define D8390_ISR_PRX		0x01		/* successful recv */
    211 #define D8390_ISR_PTX		0x02		/* successful xmit */
    212 #define D8390_ISR_RXE		0x04		/* receive error */
    213 #define D8390_ISR_TXE		0x08		/* transmit error */
    214 #define D8390_ISR_OVW		0x10		/* Overflow */
    215 #define D8390_ISR_CNT		0x20		/* Counter overflow */
    216 #define D8390_ISR_RDC		0x40		/* Remote DMA complete */
    217 #define D8390_ISR_RST		0x80		/* reset */
    218 
    219 #define D8390_RSTAT_PRX		0x01		/* successful recv */
    220 #define D8390_RSTAT_CRC		0x02		/* CRC error */
    221 #define D8390_RSTAT_FAE		0x04		/* Frame alignment error */
    222 #define D8390_RSTAT_OVER	0x08		/* FIFO overrun */
    223 
    224 #define D8390_TXBUF_SIZE	6
    225 #define D8390_RXBUF_END		32
    226 #define D8390_PAGE_SIZE         256
    227 
    228 struct ringbuffer {
    229 	unsigned char status;
    230 	unsigned char next;
    231 	unsigned short len;
    232 };
    233 /*
    234  * Local variables:
    235  *  c-basic-offset: 8
    236  * End:
    237  */
    238 
    239