File : drivers/uthernet.s

uthernet driver
currently hardcoded to use slot 3 addresses only

functions

uthernet driver
currently hardcoded to use slot 3 addresses only

constants

implementation

;uthernet driver
;currently hardcoded to use slot 3 addresses only


  .export cs_init

  .export cs_packet_page
  .export cs_packet_data
  .export cs_rxtx_data
  .export cs_tx_cmd
  .export cs_tx_len
  .export eth_driver_name
    .export eth_driver_io_base
    
cs_rxtx_data  = $c0b0 ;address of 'recieve/transmit data' port on Uthernet
cs_tx_cmd  = $c0b4;address of 'transmit command' port on Uthernet
cs_tx_len  = $c0b6;address of 'transmission length' port on Uthernet
cs_packet_page  = $c0ba;address of 'packet page' port on Uthernet
cs_packet_data  = $c0bc;address of 'packet data' port on Uthernet
 

  .code

cs_init:
  
  rts

.rodata
eth_driver_name:
  .byte "UTHERNET",0
eth_driver_io_base:
  .word cs_rxtx_data


;-- LICENSE FOR uthernet.s --
; The contents of this file are subject to the Mozilla Public License
; Version 1.1 (the "License"); you may not use this file except in
; compliance with the License. You may obtain a copy of the License at
; http://www.mozilla.org/MPL/
; 
; Software distributed under the License is distributed on an "AS IS"
; basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
; License for the specific language governing rights and limitations
; under the License.
; 
; The Original Code is ip65.
; 
; The Initial Developer of the Original Code is Jonno Downes,
; jonno@jamtronix.com.
; Portions created by the Initial Developer are Copyright (C) 2009
; Jonno Downes. All Rights Reserved.  
; -- LICENSE END --