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