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