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Rev 593 Rev 782
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;;  See file COPYING for details                                   ;;
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;;  See file COPYING for details                                   ;;
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;;                                                                 ;;
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;;                                                                 ;;
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;;                                                                 ;;
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;;                                                                 ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 593 $
 27 
$Revision: 782 $
28 
 
 28 
 
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 29 
 
Line 305... Line 305...
305 
   mov      eax, edi
 305 
   mov	    eax, edi
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306 
 
 306 
 
Line 307... Line -...
307 
   ret
 - 
 
308 
 
 - 
 
309 
 
 - 
 
310 
 
 - 
 
311 
;***************************************************************************
 - 
 
312 
;   Function
 - 
 
313 
;      I8255x_reset
 - 
 
314 
;   Description
 - 
 
315 
;      Place the chip (ie, the ethernet card) into a virgin state
 - 
 
316 
;      No inputs
 - 
 
317 
;      All registers destroyed
 - 
 
318 
;
 - 
 
319 
;***************************************************************************
 - 
 
320 
I8255x_reset:
 - 
 
321 
   ret
 - 
 
322 
 
 307 
   ret
323 
 
 308 
 
324 
 
 309 
 
325 
;***************************************************************************
 310 
;***************************************************************************
326 
;   Function
 311 
;   Function
327 
;      I8255x_probe
 312 
;      I8255x_probe
328 
;   Description
 313 
;   Description
329 
;      Searches for an ethernet card, enables it and clears the rx buffer
 314 
;      Searches for an ethernet card, enables it and clears the rx buffer
330 
;      If a card was found, it enables the ethernet -> TCPIP link
 315 
;      If a card was found, it enables the ethernet -> TCPIP link
- 
 
 316 
;
331 
;
 317 
;***************************************************************************
Line 332... Line 318...
332 
;***************************************************************************
 318 
I8255x_probe:
333 
I8255x_probe:
 319 
   DEBUGF 1," K : Probing i8255x device \n"
334 
   mov      eax, [io_addr]
 320 
   mov	    eax, [io_addr]
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429 
   mov      [rxfd_status], ax
 415 
   mov	    [rxfd_status], ax
430 
   mov      ax, 0x0000
 416 
   mov	    ax, 0x0000
431 
   mov      [rxfd_command], ax
 417 
   mov	    [rxfd_command], ax
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432 
 
 418 
 
- 
 
 419 
   mov	    eax, rxfd_status
433 
   mov      eax, rxfd_status
 420 
   sub	    eax, OS_BASE
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434 
   mov      [rxfd_link], eax
 421 
   mov	    [rxfd_link], eax
- 
 
 422 
 
435 
 
 423 
   mov	    eax, Ether_buffer
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436 
   mov      eax, Ether_buffer
 424 
   sub	    eax, OS_BASE
437 
   mov      [rxfd_rx_buf_addr], eax
 425 
   mov	    [rxfd_rx_buf_addr], eax
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444 
 
 432 
 
445 
   mov      edx, [io_addr]
 433 
   mov	    edx, [io_addr]
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446 
   add      edx, 4           ; SCBPointer
 434 
   add	    edx, 4	     ; SCBPointer
- 
 
 435 
 
447 
 
 436 
   mov	    eax, rxfd_status
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448 
   mov      eax, rxfd_status
 437 
   sub	    eax, OS_BASE
449 
   out      dx, eax
 438 
   out	    dx, eax
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466 
 
 455 
 
467 
   mov      edx, [io_addr]
 456 
   mov	    edx, [io_addr]
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468 
   add      edx, 4           ; SCBPointer
 457 
   add	    edx, 4	     ; SCBPointer
- 
 
 458 
 
469 
 
 459 
   mov	    eax, rxfd_status
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470 
   mov      eax, rxfd_status
 460 
   sub	    eax, OS_BASE
471 
   out      dx, eax
 461 
   out	    dx, eax
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497 
   ; First, set up confcmd values
 487 
   ; First, set up confcmd values
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498 
 
 488 
 
499 
   mov      ax, 2
 489 
   mov	    ax, 2
500 
   mov      [confcmd_command], ax
 490 
   mov	    [confcmd_command], ax
- 
 
 491 
   mov	    eax, txfd
501 
   mov      eax, txfd
 492 
   sub	    eax, OS_BASE
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502 
   mov      [confcmd_link], eax
 493 
   mov	    [confcmd_link], eax
503 
 
 494 
 
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504 
   mov      ax, 1
 495 
   mov	    ax, 1
505 
   mov      [txfd_command], ax         ; CmdIASetup
 496 
   mov	    [txfd_command], ax	       ; CmdIASetup
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506 
 
 497 
 
- 
 
 498 
   mov	    ax, 0
507 
   mov      ax, 0
 499 
   mov	    [txfd_status], ax
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- 
 
 500 
 
- 
 
 501 
   mov	    eax, confcmd
508 
   mov      [txfd_status], ax
 502 
   sub	    eax, OS_BASE
Line 509... Line 503...
509 
 
 503 
   mov	    [txfd_link], eax
510 
   mov      eax, confcmd
 504 
 
511 
   mov      [txfd_link], eax
 505 
 
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541 
   mov      [edi], al
 535 
   mov	    [edi], al
542 
   inc      edi
 536 
   inc	    edi
543 
   add      esi, 4
 537 
   add	    esi, 4
544 
   loop     drp001
 538 
   loop     drp001
Line -... Line 539...
- 
 
 539 
 
545 
 
 540 
 
546 
   mov      esi, eeprom_data + (6 * 4)
 541 
   mov	    esi, eeprom_data + (6 * 4)
547 
   mov      eax, [esi]
 542 
   mov	    eax, [esi]
548 
   shr      eax, 8
 543 
   shr	    eax, 8
549 
   and      eax, 0x3f
 544 
   and	    eax, 0x3f
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585 
   mov      [ebx + 19], al
 580 
   mov	    [ebx + 19], al
586 
   mov      al, 0x05
 581 
   mov	    al, 0x05
587 
   mov      [ebx + 21], al
 582 
   mov	    [ebx + 21], al
Line 588... Line 583...
588 
 
 583 
 
- 
 
 584 
   mov	    eax, txfd
589 
   mov      eax, txfd
 585 
   sub	    eax, OS_BASE
590 
   mov      edx, [io_addr]
 586 
   mov	    edx, [io_addr]
591 
   add      edx, 4            ; SCBPointer
 587 
   add	    edx, 4	      ; SCBPointer
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592 
   out      dx, eax
 588 
   out	    dx, eax
Line 615... Line 611...
615 
 
 611 
 
616 
 
 612 
 
- 
 
 613 
 
- 
 
 614 
;***************************************************************************
- 
 
 615 
;   Function
- 
 
 616 
;      I8255x_reset
- 
 
 617 
;   Description
- 
 
 618 
;      Place the chip (ie, the ethernet card) into a virgin state
- 
 
 619 
;      No inputs
- 
 
 620 
;      All registers destroyed
- 
 
 621 
;
- 
 
 622 
;***************************************************************************
- 
 
 623 
I8255x_reset:
- 
 
 624 
   ret
- 
 
 625 
 
- 
 
 626 
 
617 
 
 627 
 
618 
;***************************************************************************
 628 
;***************************************************************************
619 
; Function
 629 
; Function
620 
;    I8255x_poll
 630 
;    I8255x_poll
621 
;
 631 
;
Line 640... Line 650...
640 
 
 650 
 
641 
   mov      edx, [io_addr]
 651 
   mov	    edx, [io_addr]
Line 642... Line 652...
642 
   add      edx, 4           ; SCBPointer
 652 
   add	    edx, 4	     ; SCBPointer
- 
 
 653 
 
643 
 
 654 
   mov	    eax, rxfd_status
Line 644... Line 655...
644 
   mov      eax, rxfd_status
 655 
   sub	    eax, OS_BASE
645 
   out      dx, eax
 656 
   out	    dx, eax
Line 705... Line 716...
705 
   mov      eax, txfd
 716 
   mov	    eax, txfd
706 
   mov      [txfd_link], eax
 717 
   mov	    [txfd_link], eax
707 
   mov      eax, 0x02208000
 718 
   mov	    eax, 0x02208000
708 
   mov      [txfd_count], eax
 719 
   mov	    [txfd_count], eax
709 
   mov      eax, txfd_tx_buf_addr0
 720 
   mov	    eax, txfd_tx_buf_addr0
- 
 
 721 
   sub	    eax, OS_BASE
710 
   mov      [txfd_tx_desc_addr], eax
 722 
   mov	    [txfd_tx_desc_addr], eax
711 
   mov      eax, hdr
 723 
   mov	    eax, hdr
- 
 
 724 
   sub	    eax, OS_BASE
712 
   mov      [txfd_tx_buf_addr0], eax
 725 
   mov	    [txfd_tx_buf_addr0], eax
713 
   mov      eax, 14   ; sizeof hdr
 726 
   mov	    eax, 14   ; sizeof hdr
714 
   mov      [txfd_tx_buf_size0], eax
 727 
   mov	    [txfd_tx_buf_size0], eax
Line 715... Line 728...
715 
 
 728 
 
716 
   ; Copy the buffer address and size in
 729 
   ; Copy the buffer address and size in
- 
 
 730 
   mov	    eax, esi
717 
   mov      eax, esi
 731 
   sub	    eax, OS_BASE
718 
   mov      [txfd_tx_buf_addr1], eax
 732 
   mov	    [txfd_tx_buf_addr1], eax
719 
   mov      eax, ecx
 733 
   mov	    eax, ecx
Line 720... Line 734...
720 
   mov      [txfd_tx_buf_size1], eax
 734 
   mov	    [txfd_tx_buf_size1], eax
- 
 
 735 
 
721 
 
 736 
   mov	    eax, txfd
722 
   mov      eax, txfd
 737 
   sub	    eax, OS_BASE
723 
   mov      edx, [io_addr]
 738 
   mov	    edx, [io_addr]
Line 724... Line 739...
724 
   add      edx, 4            ; SCBPointer
 739 
   add	    edx, 4	      ; SCBPointer