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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 |