| 1 | \ ========== Copyright Header Begin ========================================== |
| 2 | \ |
| 3 | \ Hypervisor Software File: mif.fth |
| 4 | \ |
| 5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
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| 10 | \ or without modification, are permitted provided that the following |
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| 13 | \ - Redistribution of source code must retain the above copyright notice, |
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| 17 | \ this list of conditions and the following disclaimer in the |
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| 21 | \ may be used to endorse or promote products derived from this software |
| 22 | \ without specific prior written permission. |
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| 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 |
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| 38 | \ intended for use in the design, construction, operation or maintenance of |
| 39 | \ any nuclear facility. |
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| 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 | ; |