122 lines
2 KiB
PHP
122 lines
2 KiB
PHP
;; File: ne2k.inc
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;;
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;; Usefull links:
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;; - <datasheet at https://web.archive.org/web/20010612150713/http://www.national.com/ds/DP/DP8390D.pdf>
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NE2K_IOBASE = 0x300
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NE2K_ASIC = NE2K_IOBASE + 0x10
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NE2K_NIC = NE2K_IOBASE + 0x00
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NE2K_RESET = 0xF
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; PAGE 0
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DP8390D_CR = 0x0
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DP8390D_CR_PS1 = 0x80
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DP8390D_CR_PS0 = 0x40
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DP8390D_CR_RD2 = 0x20
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DP8390D_CR_RD1 = 0x10
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DP8390D_CR_RD0 = 0x08
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DP8390D_CR_TXP = 0x04
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DP8390D_CR_STA = 0x02
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DP8390D_CR_STP = 0x01
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DP8390D_CLDA0 = 0x1
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DP8390D_CLDA1 = 0x2
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DP8390D_BNRY = 0x3
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DP8390D_TSR = 0x4
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DP8390D_NCR = 0x5
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DP8390D_FIFO = 0x6
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DP8390D_ISR = 0x7
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DP8390D_CRDA0 = 0x8
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DP8390D_CRDA1 = 0x9
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DP8390D_RSR = 0xC
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DP8390D_CNTR0 = 0xD
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DP8390D_CNTR1 = 0xE
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DP8390D_CNTR2 = 0xF
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DP8390D_PSTART = 0x1
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DP8390D_PSTOP = 0x2
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DP8390D_TPSR = 0x4
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DP8390D_TBCR0 = 0x5
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DP8390D_TBCR1 = 0x6
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DP8390D_RSAR0 = 0x8
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DP8390D_RSAR1 = 0x9
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DP8390D_RBCR0 = 0xA
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DP8390D_RBCR1 = 0xB
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DP8390D_RCR = 0xC
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DP8390D_TCR = 0xD
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DP8390D_DCR = 0xE
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DP8390D_IMR = 0xF
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; PAGE 1
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DP8390D_PAR0 = 0x1
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DP8390D_PAR1 = 0x2
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DP8390D_PAR2 = 0x3
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DP8390D_PAR3 = 0x4
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DP8390D_PAR4 = 0x5
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DP8390D_PAR5 = 0x6
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DP8390D_CURR = 0x7
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DP8390D_MAR0 = 0x8
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DP8390D_MAR1 = 0x9
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DP8390D_MAR2 = 0xA
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DP8390D_MAR3 = 0xB
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DP8390D_MAR4 = 0xC
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DP8390D_MAR5 = 0xD
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DP8390D_MAR6 = 0xE
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DP8390D_MAR7 = 0xF
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ne2k_init:
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call ne2k_probe
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or eax, eax
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jnz @f
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mov esi, szMsgNe2kfound
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call klog
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@@:
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ret
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ne2k_probe:
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mov dx, NE2K_ASIC + NE2K_RESET
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in al, dx
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out dx, al
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mov ecx, 5000
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@@:
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dec ecx
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or ecx, ecx
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jnz @b
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mov dx, NE2K_NIC + DP8390D_CR
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mov al, DP8390D_CR_RD2 or DP8390D_CR_STP
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out dx, al
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mov ecx, 5000
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@@:
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dec ecx
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or ecx, ecx
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jnz @b
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mov dx, NE2K_NIC + DP8390D_CR
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in al, dx
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and al, (DP8390D_CR_RD2 or DP8390D_CR_TXP or DP8390D_CR_STA or DP8390D_CR_STP)
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cmp al, (DP8390D_CR_RD2 or DP8390D_CR_STP)
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jne @f
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xor eax, eax
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@@:
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ret
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ne2k_irq:
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pusha
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mov esi, szMsgNe2kIRQ
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call klog
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popa
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iret
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ne2k_device:
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db 'ne2k', 0, 0, 0, 0
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dd ne2k_init
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szMsgNe2kfound db "NE2K: found", 0
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szMsgNe2kIRQ db "NE2K: IRQ", 0
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