obp/obp/dev/southbridge/isa-devices/serial/serial.tok

\ ========== Copyright Header Begin ==========================================
\
\ Hypervisor Software File: serial.tok
\
\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
\
\  - Do no alter or remove copyright notices
\
\  - Redistribution and use of this software in source and binary forms, with
\    or without modification, are permitted provided that the following
\    conditions are met:
\
\  - Redistribution of source code must retain the above copyright notice,
\    this list of conditions and the following disclaimer.
\
\  - Redistribution in binary form must reproduce the above copyright notice,
\    this list of conditions and the following disclaimer in the
\    documentation and/or other materials provided with the distribution.
\
\    Neither the name of Sun Microsystems, Inc. or the names of contributors
\ may be used to endorse or promote products derived from this software
\ without specific prior written permission.
\
\     This software is provided "AS IS," without a warranty of any kind.
\ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
\ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
\ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
\ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
\ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
\ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
\ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
\ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
\ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
\ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
\ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
\
\ You acknowledge that this software is not designed, licensed or
\ intended for use in the design, construction, operation or maintenance of
\ any nuclear facility.
\
\ ========== Copyright Header End ============================================
id: @(#)serial.tok 1.6 06/02/16
purpose:
copyright: Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved
copyright: Use is subject to license terms.

Fcode-Version3

headerless
h# 8            constant tty-size
h# 1            constant #channels
my-address      constant tty-base

" serial"       2dup name
( serial )      device-type
[ifdef] su16552?
" su16552"      encode-string " su16550" encode-string encode+
[else]
" su16550"      encode-string
[then]
" su"           encode-string encode+ " compatible" property

1 encode-int    " interrupts" property

: en+ ( xdr,len int -- xdr',len' ) encode-int encode+ ;

\ Phys.hi               Phys.lo         Size
\ -------               -------         ----
my-space encode-int     tty-base en+    tty-size en+ " reg" property

fload ${BP}/dev/utilities/get-option.fth

: default-tty-mode     " 9600,8,n,1,-" ;
: default-rmc-mode     " 115200,8,n,1,-" ;
: (default-ttya-mode)  " ttya-mode" default-tty-mode  get-string-option ;
: (default-ttyb-mode)  " ttyb-mode" default-tty-mode  get-string-option ;

defer default-ttya-mode
defer default-ttyb-mode

: $=  ( adr1 len1 adr2 len2 -- equal? )
   rot tuck  <>  if  3drop false exit  then   ( adr1 adr2 len1 )
   comp 0=
;

: init-tty ( -- )
   " console" get-my-property 0=  if
      decode-string 2swap 2drop
      2dup " ttya" $= if
         2drop
         ['] (default-ttya-mode)
      else
         " rmc" $= if
            ['] default-rmc-mode
         else
            ['] (default-ttyb-mode)
         then
      then
   else
      ['] default-tty-mode
   then
   dup  to default-ttya-mode  to default-ttyb-mode
;
init-tty

fload ${BP}/dev/serial/mode-data.fth
[ifdef] hw-flow-ctrl?
   fload ${BP}/dev/serial/su16550/jbos/io.fth
[else]
   fload ${BP}/dev/serial/su16550/io.fth
[then]
fload ${BP}/dev/serial/mode-decode.fth
d# 115200 is max-baud
fload ${BP}/dev/serial/ttydriver.fth

: write ( adr len -- #written ) uwrite ;

end0