| 1 | \ ========== Copyright Header Begin ========================================== |
| 2 | \ |
| 3 | \ Hypervisor Software File: power-on.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: @(#)power-on.fth 1.27 03/03/13 |
| 43 | purpose: |
| 44 | copyright: Copyright 1997-2002 Sun Microsystems, Inc. All Rights Reserved |
| 45 | copyright: Use is subject to license terms. |
| 46 | |
| 47 | : activate-chip ( -- ok? ) |
| 48 | get-mem new-mem-table init-controller |
| 49 | ; |
| 50 | |
| 51 | \ the proper value here is dependent on the particular OBP implementation, |
| 52 | \ especially the depth of the return stack. this value is used to set an |
| 53 | \ internal value used by the two external words in ...builtin-drivers. |
| 54 | \ 6 constant max-depth \ full usb tree |
| 55 | 3 constant max-depth |
| 56 | |
| 57 | \ has dependency on main OBP. puts the recursion depth for hubs back to the |
| 58 | \ maximum allowed for this onboard usb host adapter. this word works with |
| 59 | \ go-deeper? in the hub fcode, and with onboard-usb-max-depth and onboard-usb-recurse? |
| 60 | \ in SUNW,builtin-drivers. |
| 61 | : max-recursion ( -- ) |
| 62 | max-depth |
| 63 | " onboard-usb-max-depth" |
| 64 | " SUNW,builtin-drivers" find-package drop \ must be present |
| 65 | find-method if |
| 66 | execute |
| 67 | else drop |
| 68 | then |
| 69 | ; |
| 70 | |
| 71 | \ XXX some devices take a long time to turn on after reset. Do some |
| 72 | \ require two resets? |
| 73 | \ XXX the order of activation pieces may differ between regular speed and |
| 74 | \ low speed devices. |
| 75 | |
| 76 | \ Hack -- up to 2 tries if error occurs on first try. |
| 77 | : probe-guts ( port speed -- port speed ) |
| 78 | 2 0 do |
| 79 | 2dup |
| 80 | over clean-port |
| 81 | probe-once |
| 82 | if leave then |
| 83 | loop |
| 84 | ; |
| 85 | |
| 86 | \ give a device two chances. if not enumerated ok after two tries, make a |
| 87 | \ bad device node. Leave open the option for other actions, depending on the |
| 88 | \ precise failure. |
| 89 | \ Hack-- up to 5 tries, ignoring fatal errors. With probe-guts, up to 9 |
| 90 | \ fatal errors will be ignored. |
| 91 | : probe-port ( port speed -- ) |
| 92 | max-recursion |
| 93 | 5 0 do \ Hack for taco bad usb mouse |
| 94 | probe-guts |
| 95 | ['] 2drop ['] complete-probe behavior = |
| 96 | if leave then |
| 97 | loop |
| 98 | complete-probe |
| 99 | ; |
| 100 | |
| 101 | \ loop works because RIO powers all ports on at power-on time. |
| 102 | \ otherwise may need to power port, then look to see if connected. |
| 103 | : power-on ( -- ) |
| 104 | my-self to saved-self |
| 105 | ['] take-done-q to bless-done-q \ running polled during probe; |
| 106 | \ could use quit-take-done-q |
| 107 | publish-finder |
| 108 | activate-chip if |
| 109 | #root-ports 1+ 1 do \ usb ports start at 1 |
| 110 | i port-connected? if |
| 111 | i power-port |
| 112 | i dup port-low-speed? |
| 113 | dup to child-speed |
| 114 | probe-port |
| 115 | then |
| 116 | loop |
| 117 | then |
| 118 | toss-controller give-mem |
| 119 | 0 to open-count |
| 120 | 0 to saved-self |
| 121 | ['] quit-take-done-q to bless-done-q \ setup for 10 ms tick |
| 122 | ; |
| 123 | |
| 124 | power-on |