[OpenSPARC-T2-SAM] / obp / obp / dev / network / bge / mif.fth

\ ========== Copyright Header Begin ==========================================
\ 
\ Hypervisor Software File: mif.fth
\ 
\ 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: @(#)mif.fth 1.1 02/09/06
purpose: 
copyright: Copyright 2002 Sun Microsystems, Inc.  All Rights Reserved
copyright: Use is subject to license terms.


headers

\ Routines to access the phy using the MDIO Auto-access method

1 value phy-adr	       \ Internal phy address

: phy-cmd-complete?  ( -- error? )
   d# 5000
   begin					( loops )
      1- dup 0>					( loops notimeout? )
      h# 44c breg@ h# 2000.0000 and		( loops notimeout? !complete? )
      and 0=					( loops not-done? )
   until					( loops )
   drop h# 44c breg@ h# 1000.0000 and		( error? )
;

: phy@  ( reg-adr -- data error? )	\ 16 bits
   phy-cmd-complete? drop
   h# 1f and d# 16 <<				\ shift in reg adr
   phy-adr h# 1f and d# 21 << or		\ shift in phy adr
   1 d# 29 << or				\ set start bit
   2 d# 26 << or h# 44c breg!			\ read transaction
   phy-cmd-complete?				( timeout? )
   h# 44c breg@ dup h# ffff and			( timeout? reg data )
   -rot h# 10000000 and or drop			( data error? )
;

: phy!  ( data reg-adr --  error? )	\ 16 bits
   phy-cmd-complete? drop
   h# 1f and d# 16 <<				\ shift in reg adr
   phy-adr h# 1f and d# 21 << or		\ shift in phy adr
   swap h# ffff and or				\ data
   1 d# 29 << or				\ set start bit
   1 d# 26 << or h# 44c breg!			\ write transaction
   phy-cmd-complete? drop
;
Commit	Line	Data
920dae64 AT	1	\ ========== Copyright Header Begin ==========================================
	2	\
	3	\ Hypervisor Software File: mif.fth
	4	\
	5	\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
	6	\
	7	\ - Do no alter or remove copyright notices
	8	\
	9	\ - Redistribution and use of this software in source and binary forms, with
	10	\ or without modification, are permitted provided that the following
	11	\ conditions are met:
	12	\
	13	\ - Redistribution of source code must retain the above copyright notice,
	14	\ this list of conditions and the following disclaimer.
	15	\
	16	\ - Redistribution in binary form must reproduce the above copyright notice,
	17	\ this list of conditions and the following disclaimer in the
	18	\ documentation and/or other materials provided with the distribution.
	19	\
	20	\ Neither the name of Sun Microsystems, Inc. or the names of contributors
	21	\ may be used to endorse or promote products derived from this software
	22	\ without specific prior written permission.
	23	\
	24	\ This software is provided "AS IS," without a warranty of any kind.
	25	\ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
	26	\ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
	27	\ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
	28	\ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
	29	\ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
	30	\ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
	31	\ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
	32	\ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
	33	\ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
	34	\ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
	35	\ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
	36	\
	37	\ You acknowledge that this software is not designed, licensed or
	38	\ intended for use in the design, construction, operation or maintenance of
	39	\ any nuclear facility.
	40	\
	41	\ ========== Copyright Header End ============================================
	42	id: @(#)mif.fth 1.1 02/09/06
	43	purpose:
	44	copyright: Copyright 2002 Sun Microsystems, Inc. All Rights Reserved
	45	copyright: Use is subject to license terms.
	46
	47
	48	headers
	49
	50	\ Routines to access the phy using the MDIO Auto-access method
	51
	52	1 value phy-adr \ Internal phy address
	53
	54	: phy-cmd-complete? ( -- error? )
	55	d# 5000
	56	begin ( loops )
	57	1- dup 0> ( loops notimeout? )
	58	h# 44c breg@ h# 2000.0000 and ( loops notimeout? !complete? )
	59	and 0= ( loops not-done? )
	60	until ( loops )
	61	drop h# 44c breg@ h# 1000.0000 and ( error? )
	62	;
	63
	64	: phy@ ( reg-adr -- data error? ) \ 16 bits
65	phy-cmd-complete? drop
66	h# 1f and d# 16 << \ shift in reg adr
67	phy-adr h# 1f and d# 21 << or \ shift in phy adr
68	1 d# 29 << or \ set start bit
69	2 d# 26 << or h# 44c breg! \ read transaction
70	phy-cmd-complete? ( timeout? )
71	h# 44c breg@ dup h# ffff and ( timeout? reg data )
72	-rot h# 10000000 and or drop ( data error? )
73	;
74
75	: phy! ( data reg-adr -- error? ) \ 16 bits
76	phy-cmd-complete? drop
77	h# 1f and d# 16 << \ shift in reg adr
78	phy-adr h# 1f and d# 21 << or \ shift in phy adr
79	swap h# ffff and or \ data
80	1 d# 29 << or \ set start bit
81	1 d# 26 << or h# 44c breg! \ write transaction
82	phy-cmd-complete? drop
83	;