[e16e8f2] | 1 | /************************************************************************** |
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| 2 | ETHERBOOT - BOOTP/TFTP Bootstrap Program |
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| 3 | |
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| 4 | Author: Martin Renters |
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| 5 | Date: Jun/94 |
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| 6 | |
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| 7 | **************************************************************************/ |
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| 8 | |
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| 9 | FILE_LICENCE ( BSD2 ); |
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| 10 | |
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| 11 | #define VENDOR_NONE 0 |
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| 12 | #define VENDOR_WD 1 |
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| 13 | #define VENDOR_NOVELL 2 |
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| 14 | #define VENDOR_3COM 3 |
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| 15 | |
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| 16 | #define FLAG_PIO 0x01 |
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| 17 | #define FLAG_16BIT 0x02 |
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| 18 | #define FLAG_790 0x04 |
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| 19 | |
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| 20 | #define MEM_8192 32 |
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| 21 | #define MEM_16384 64 |
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| 22 | #define MEM_32768 128 |
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| 23 | |
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| 24 | #define ISA_MAX_ADDR 0x400 |
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| 25 | |
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| 26 | /************************************************************************** |
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| 27 | Western Digital/SMC Board Definitions |
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| 28 | **************************************************************************/ |
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| 29 | #define WD_LOW_BASE 0x200 |
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| 30 | #define WD_HIGH_BASE 0x3e0 |
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| 31 | #ifndef WD_DEFAULT_MEM |
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| 32 | #define WD_DEFAULT_MEM 0xD0000 |
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| 33 | #endif |
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| 34 | #define WD_NIC_ADDR 0x10 |
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| 35 | |
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| 36 | /************************************************************************** |
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| 37 | Western Digital/SMC ASIC Addresses |
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| 38 | **************************************************************************/ |
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| 39 | #define WD_MSR 0x00 |
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| 40 | #define WD_ICR 0x01 |
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| 41 | #define WD_IAR 0x02 |
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| 42 | #define WD_BIO 0x03 |
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| 43 | #define WD_IRR 0x04 |
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| 44 | #define WD_LAAR 0x05 |
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| 45 | #define WD_IJR 0x06 |
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| 46 | #define WD_GP2 0x07 |
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| 47 | #define WD_LAR 0x08 |
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| 48 | #define WD_BID 0x0E |
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| 49 | |
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| 50 | #define WD_ICR_16BIT 0x01 |
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| 51 | |
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| 52 | #define WD_MSR_MENB 0x40 |
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| 53 | |
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| 54 | #define WD_LAAR_L16EN 0x40 |
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| 55 | #define WD_LAAR_M16EN 0x80 |
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| 56 | |
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| 57 | #define WD_SOFTCONFIG 0x20 |
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| 58 | |
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| 59 | /************************************************************************** |
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| 60 | Western Digital/SMC Board Types |
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| 61 | **************************************************************************/ |
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| 62 | #define TYPE_WD8003S 0x02 |
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| 63 | #define TYPE_WD8003E 0x03 |
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| 64 | #define TYPE_WD8013EBT 0x05 |
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| 65 | #define TYPE_WD8003W 0x24 |
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| 66 | #define TYPE_WD8003EB 0x25 |
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| 67 | #define TYPE_WD8013W 0x26 |
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| 68 | #define TYPE_WD8013EP 0x27 |
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| 69 | #define TYPE_WD8013WC 0x28 |
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| 70 | #define TYPE_WD8013EPC 0x29 |
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| 71 | #define TYPE_SMC8216T 0x2a |
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| 72 | #define TYPE_SMC8216C 0x2b |
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| 73 | #define TYPE_SMC8416T 0x00 /* Bogus entries: the 8416 generates the */ |
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| 74 | #define TYPE_SMC8416C 0x00 /* the same codes as the 8216. */ |
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| 75 | #define TYPE_SMC8013EBP 0x2c |
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| 76 | |
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| 77 | /************************************************************************** |
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| 78 | 3com 3c503 definitions |
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| 79 | **************************************************************************/ |
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| 80 | |
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| 81 | #ifndef _3COM_BASE |
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| 82 | #define _3COM_BASE 0x300 |
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| 83 | #endif |
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| 84 | |
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| 85 | #define _3COM_TX_PAGE_OFFSET_8BIT 0x20 |
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| 86 | #define _3COM_TX_PAGE_OFFSET_16BIT 0x0 |
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| 87 | #define _3COM_RX_PAGE_OFFSET_16BIT 0x20 |
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| 88 | |
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| 89 | #define _3COM_ASIC_OFFSET 0x400 |
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| 90 | #define _3COM_NIC_OFFSET 0x0 |
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| 91 | |
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| 92 | #define _3COM_PSTR 0 |
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| 93 | #define _3COM_PSPR 1 |
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| 94 | |
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| 95 | #define _3COM_BCFR 3 |
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| 96 | #define _3COM_BCFR_2E0 0x01 |
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| 97 | #define _3COM_BCFR_2A0 0x02 |
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| 98 | #define _3COM_BCFR_280 0x04 |
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| 99 | #define _3COM_BCFR_250 0x08 |
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| 100 | #define _3COM_BCFR_350 0x10 |
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| 101 | #define _3COM_BCFR_330 0x20 |
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| 102 | #define _3COM_BCFR_310 0x40 |
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| 103 | #define _3COM_BCFR_300 0x80 |
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| 104 | #define _3COM_PCFR 4 |
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| 105 | #define _3COM_PCFR_PIO 0 |
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| 106 | #define _3COM_PCFR_C8000 0x10 |
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| 107 | #define _3COM_PCFR_CC000 0x20 |
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| 108 | #define _3COM_PCFR_D8000 0x40 |
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| 109 | #define _3COM_PCFR_DC000 0x80 |
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| 110 | #define _3COM_CR 6 |
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| 111 | #define _3COM_CR_RST 0x01 /* Reset GA and NIC */ |
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| 112 | #define _3COM_CR_XSEL 0x02 /* Transceiver select. BNC=1(def) AUI=0 */ |
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| 113 | #define _3COM_CR_EALO 0x04 /* window EA PROM 0-15 to I/O base */ |
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| 114 | #define _3COM_CR_EAHI 0x08 /* window EA PROM 16-31 to I/O base */ |
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| 115 | #define _3COM_CR_SHARE 0x10 /* select interrupt sharing option */ |
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| 116 | #define _3COM_CR_DBSEL 0x20 /* Double buffer select */ |
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| 117 | #define _3COM_CR_DDIR 0x40 /* DMA direction select */ |
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| 118 | #define _3COM_CR_START 0x80 /* Start DMA controller */ |
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| 119 | #define _3COM_GACFR 5 |
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| 120 | #define _3COM_GACFR_MBS0 0x01 |
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| 121 | #define _3COM_GACFR_MBS1 0x02 |
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| 122 | #define _3COM_GACFR_MBS2 0x04 |
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| 123 | #define _3COM_GACFR_RSEL 0x08 /* enable shared memory */ |
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| 124 | #define _3COM_GACFR_TEST 0x10 /* for GA testing */ |
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| 125 | #define _3COM_GACFR_OWS 0x20 /* select 0WS access to GA */ |
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| 126 | #define _3COM_GACFR_TCM 0x40 /* Mask DMA interrupts */ |
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| 127 | #define _3COM_GACFR_NIM 0x80 /* Mask NIC interrupts */ |
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| 128 | #define _3COM_STREG 7 |
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| 129 | #define _3COM_STREG_REV 0x07 /* GA revision */ |
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| 130 | #define _3COM_STREG_DIP 0x08 /* DMA in progress */ |
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| 131 | #define _3COM_STREG_DTC 0x10 /* DMA terminal count */ |
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| 132 | #define _3COM_STREG_OFLW 0x20 /* Overflow */ |
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| 133 | #define _3COM_STREG_UFLW 0x40 /* Underflow */ |
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| 134 | #define _3COM_STREG_DPRDY 0x80 /* Data port ready */ |
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| 135 | #define _3COM_IDCFR 8 |
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| 136 | #define _3COM_IDCFR_DRQ0 0x01 /* DMA request 1 select */ |
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| 137 | #define _3COM_IDCFR_DRQ1 0x02 /* DMA request 2 select */ |
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| 138 | #define _3COM_IDCFR_DRQ2 0x04 /* DMA request 3 select */ |
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| 139 | #define _3COM_IDCFR_UNUSED 0x08 /* not used */ |
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| 140 | #define _3COM_IDCFR_IRQ2 0x10 /* Interrupt request 2 select */ |
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| 141 | #define _3COM_IDCFR_IRQ3 0x20 /* Interrupt request 3 select */ |
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| 142 | #define _3COM_IDCFR_IRQ4 0x40 /* Interrupt request 4 select */ |
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| 143 | #define _3COM_IDCFR_IRQ5 0x80 /* Interrupt request 5 select */ |
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| 144 | #define _3COM_IRQ2 2 |
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| 145 | #define _3COM_IRQ3 3 |
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| 146 | #define _3COM_IRQ4 4 |
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| 147 | #define _3COM_IRQ5 5 |
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| 148 | #define _3COM_DAMSB 9 |
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| 149 | #define _3COM_DALSB 0x0a |
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| 150 | #define _3COM_VPTR2 0x0b |
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| 151 | #define _3COM_VPTR1 0x0c |
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| 152 | #define _3COM_VPTR0 0x0d |
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| 153 | #define _3COM_RFMSB 0x0e |
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| 154 | #define _3COM_RFLSB 0x0f |
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| 155 | |
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| 156 | /************************************************************************** |
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| 157 | NE1000/2000 definitions |
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| 158 | **************************************************************************/ |
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| 159 | #define NE_ASIC_OFFSET 0x10 |
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| 160 | #define NE_RESET 0x0F /* Used to reset card */ |
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| 161 | #define NE_DATA 0x00 /* Used to read/write NIC mem */ |
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| 162 | |
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| 163 | #define COMPEX_RL2000_TRIES 200 |
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| 164 | |
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| 165 | /************************************************************************** |
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| 166 | 8390 Register Definitions |
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| 167 | **************************************************************************/ |
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| 168 | #define D8390_P0_COMMAND 0x00 |
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| 169 | #define D8390_P0_PSTART 0x01 |
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| 170 | #define D8390_P0_PSTOP 0x02 |
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| 171 | #define D8390_P0_BOUND 0x03 |
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| 172 | #define D8390_P0_TSR 0x04 |
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| 173 | #define D8390_P0_TPSR 0x04 |
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| 174 | #define D8390_P0_TBCR0 0x05 |
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| 175 | #define D8390_P0_TBCR1 0x06 |
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| 176 | #define D8390_P0_ISR 0x07 |
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| 177 | #define D8390_P0_RSAR0 0x08 |
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| 178 | #define D8390_P0_RSAR1 0x09 |
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| 179 | #define D8390_P0_RBCR0 0x0A |
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| 180 | #define D8390_P0_RBCR1 0x0B |
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| 181 | #define D8390_P0_RSR 0x0C |
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| 182 | #define D8390_P0_RCR 0x0C |
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| 183 | #define D8390_P0_TCR 0x0D |
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| 184 | #define D8390_P0_DCR 0x0E |
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| 185 | #define D8390_P0_IMR 0x0F |
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| 186 | #define D8390_P1_COMMAND 0x00 |
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| 187 | #define D8390_P1_PAR0 0x01 |
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| 188 | #define D8390_P1_PAR1 0x02 |
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| 189 | #define D8390_P1_PAR2 0x03 |
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| 190 | #define D8390_P1_PAR3 0x04 |
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| 191 | #define D8390_P1_PAR4 0x05 |
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| 192 | #define D8390_P1_PAR5 0x06 |
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| 193 | #define D8390_P1_CURR 0x07 |
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| 194 | #define D8390_P1_MAR0 0x08 |
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| 195 | |
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| 196 | #define D8390_COMMAND_PS0 0x0 /* Page 0 select */ |
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| 197 | #define D8390_COMMAND_PS1 0x40 /* Page 1 select */ |
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| 198 | #define D8390_COMMAND_PS2 0x80 /* Page 2 select */ |
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| 199 | #define D8390_COMMAND_RD2 0x20 /* Remote DMA control */ |
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| 200 | #define D8390_COMMAND_RD1 0x10 |
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| 201 | #define D8390_COMMAND_RD0 0x08 |
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| 202 | #define D8390_COMMAND_TXP 0x04 /* transmit packet */ |
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| 203 | #define D8390_COMMAND_STA 0x02 /* start */ |
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| 204 | #define D8390_COMMAND_STP 0x01 /* stop */ |
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| 205 | |
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| 206 | #define D8390_RCR_MON 0x20 /* monitor mode */ |
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| 207 | |
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| 208 | #define D8390_DCR_FT1 0x40 |
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| 209 | #define D8390_DCR_LS 0x08 /* Loopback select */ |
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| 210 | #define D8390_DCR_WTS 0x01 /* Word transfer select */ |
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| 211 | |
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| 212 | #define D8390_ISR_PRX 0x01 /* successful recv */ |
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| 213 | #define D8390_ISR_PTX 0x02 /* successful xmit */ |
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| 214 | #define D8390_ISR_RXE 0x04 /* receive error */ |
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| 215 | #define D8390_ISR_TXE 0x08 /* transmit error */ |
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| 216 | #define D8390_ISR_OVW 0x10 /* Overflow */ |
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| 217 | #define D8390_ISR_CNT 0x20 /* Counter overflow */ |
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| 218 | #define D8390_ISR_RDC 0x40 /* Remote DMA complete */ |
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| 219 | #define D8390_ISR_RST 0x80 /* reset */ |
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| 220 | |
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| 221 | #define D8390_RSTAT_PRX 0x01 /* successful recv */ |
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| 222 | #define D8390_RSTAT_CRC 0x02 /* CRC error */ |
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| 223 | #define D8390_RSTAT_FAE 0x04 /* Frame alignment error */ |
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| 224 | #define D8390_RSTAT_OVER 0x08 /* FIFO overrun */ |
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| 225 | |
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| 226 | #define D8390_TXBUF_SIZE 6 |
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| 227 | #define D8390_RXBUF_END 32 |
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| 228 | #define D8390_PAGE_SIZE 256 |
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| 229 | |
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| 230 | struct ringbuffer { |
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| 231 | unsigned char status; |
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| 232 | unsigned char next; |
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| 233 | unsigned short len; |
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| 234 | }; |
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| 235 | /* |
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| 236 | * Local variables: |
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| 237 | * c-basic-offset: 8 |
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| 238 | * End: |
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| 239 | */ |
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| 240 | |
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