[openfirmware] [commit] r2460 - cpu/x86/pc/alex dev
repository service
svn at openfirmware.info
Sat Aug 13 02:51:41 CEST 2011
Author: wmb
Date: Sat Aug 13 02:51:41 2011
New Revision: 2460
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2460
Log:
Alex - Added interface to the EC and its internal access to battery, AC, CPU temperature, and fan.
Added:
cpu/x86/pc/alex/ec.fth
dev/acpiec.fth
Modified:
cpu/x86/pc/alex/devices.fth
Modified: cpu/x86/pc/alex/devices.fth
==============================================================================
--- cpu/x86/pc/alex/devices.fth Thu Aug 11 03:35:51 2011 (r2459)
+++ cpu/x86/pc/alex/devices.fth Sat Aug 13 02:51:41 2011 (r2460)
@@ -192,6 +192,9 @@
fload ${BP}/cpu/x86/pc/reset.fth \ reset-all
+fload ${BP}/dev/acpiec.fth \ Access to ACPI EC internal variables
+fload ${BP}/cpu/x86/pc/alex/ec.fth \ Battery, AC, CPU temperature, Fan controls
+
: ?enough-power ; \ Implement based on AC presence and battery status
fload ${BP}/cpu/x86/pc/alex/spiui.fth \ User interface for SPI FLASH programming
Added: cpu/x86/pc/alex/ec.fth
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ cpu/x86/pc/alex/ec.fth Sat Aug 13 02:51:41 2011 (r2460)
@@ -0,0 +1,68 @@
+\ See license at end of file
+purpose: Access to platform functions controlled by the Embedded Controller
+
+[ifdef] notdef
+\ The following is an alternative interface to EC internals. It seems to
+\ accomplish the same thing as the standard port 66/62 ACPI interface.
+: ec-i@ ( index -- b ) h# a00 pc! h# a01 pc@ ;
+: ec-i! ( b index -- ) h# a00 pc! h# a01 pc! ;
+: ec-rdy? ( -- flag ) h# 82 ec-i@ 0= ;
+: wait-ec-rdy ( -- )
+ h# 800 0 do ec-rdy? if unloop exit then d# 10 us loop
+ true abort" EC timeout"
+;
+: ec-cmd ( cmd -- ) wait-ec-rdy h# 82 ec-i! wait-ec-rdy ;
+: ec-cmd-data ( data cmd -- ) wait-ec-rdy swap h# 84 ec-i! h# 82 ec-i! wait-ec-rdy ;
+
+: ec-b@ ( adr -- b ) h# 88 ec-cmd-data h# 84 ec-i@ ;
+: ec-b! ( b adr -- ) h# 84 ec-i! h# 85 ec-i! h# 89 h# 82 ec-i! ;
+
+: ec-w@ ( adr -- b ) dup ec-b@ swap 1+ ec-b@ bwjoin ;
+: ec-w! ( w adr -- b ) >r wbsplit r@ 1+ ec-b! r> ec-b! ;
+[then]
+
+\ Alex has one fan, but it appears that the EC supports up to 5 fans.
+\ Alex's fan goes on if you turn on either of EC fans 0,1, or 2
+: fan-on? ( -- flag ) h# ca ec-b@ 7 and 0<> ;
+: fan-on ( -- ) h# 81 h# ca ec-b! ;
+: fan-off ( -- ) h# 80 h# ca ec-b! ;
+
+: battery-remaining-capacity ( -- w ) h# a2 ec-w@ ;
+: battery-present-rate ( -- w ) h# a4 ec-w@ ;
+: battery-present-voltage ( -- w ) h# a6 ec-w@ ;
+
+: battery-design-capacity ( -- w ) h# b0 ec-w@ ;
+: battery-last-charge ( -- w ) h# b2 ec-w@ ;
+: battery-design-voltage ( -- w ) h# b4 ec-w@ ;
+: battery-design-full ( -- w ) h# b6 ec-w@ ;
+
+: cpu-temperature ( -- degrees-c ) h# c0 ec-b@ ;
+
+: battery-state ( -- b ) h# 84 ec-b@ ; \ 0:discharging 1:charging 2:critical
+: lid-open? ( -- flag ) h# 83 ec-b@ 1 and 0<> ;
+: ac? ( -- flag ) h# 80 ec-b@ 4 and 0<> ;
+: battery? ( -- flag ) h# 80 ec-b@ 1 and 0<> ;
+
+\ LICENSE_BEGIN
+\ Copyright (c) 2011 FirmWorks
+\
+\ Permission is hereby granted, free of charge, to any person obtaining
+\ a copy of this software and associated documentation files (the
+\ "Software"), to deal in the Software without restriction, including
+\ without limitation the rights to use, copy, modify, merge, publish,
+\ distribute, sublicense, and/or sell copies of the Software, and to
+\ permit persons to whom the Software is furnished to do so, subject to
+\ the following conditions:
+\
+\ The above copyright notice and this permission notice shall be
+\ included in all copies or substantial portions of the Software.
+\
+\ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+\ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+\ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+\ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+\ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+\ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+\ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+\
+\ LICENSE_END
Added: dev/acpiec.fth
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dev/acpiec.fth Sat Aug 13 02:51:41 2011 (r2460)
@@ -0,0 +1,48 @@
+\ See license at end of file
+purpose: Interface to ACPI Embedded Controller internal variables
+
+: ec-obf? ( -- flag ) h# 66 pc@ 1 and 0<> ;
+: ec-ibf? ( -- flag ) h# 66 pc@ 2 and 0<> ;
+: wait-ibf0
+ h# 800 0 do ec-ibf? 0= if unloop exit then d# 10 us loop
+ true abort" EC timeout"
+;
+: wait-obf ( -- )
+ h# 800 0 do ec-obf? if unloop exit then d# 10 us loop
+ true abort" EC timeout"
+;
+: ec-cmd ( cmd -- ) wait-ibf0 h# 66 pc! ;
+: ec-data! ( data -- ) wait-ibf0 h# 62 pc! ;
+: ec-data@ ( data -- ) wait-obf h# 62 pc@ ;
+: ec-cmd-data ( data cmd -- ) ec-cmd ec-data! ;
+: ec-sci@ ( -- b ) h# 84 ec-cmd ec-data@ ;
+
+: ec-b@ ( adr -- b ) h# 80 ec-cmd-data ec-data@ ;
+: ec-b! ( b adr -- ) h# 81 ec-cmd-data ec-data! ;
+
+: ec-w@ ( adr -- b ) dup ec-b@ swap 1+ ec-b@ bwjoin ;
+: ec-w! ( b adr -- ) >r wbsplit r@ 1+ ec-b! r> ec-b! ;
+
+\ LICENSE_BEGIN
+\ Copyright (c) 2011 FirmWorks
+\
+\ Permission is hereby granted, free of charge, to any person obtaining
+\ a copy of this software and associated documentation files (the
+\ "Software"), to deal in the Software without restriction, including
+\ without limitation the rights to use, copy, modify, merge, publish,
+\ distribute, sublicense, and/or sell copies of the Software, and to
+\ permit persons to whom the Software is furnished to do so, subject to
+\ the following conditions:
+\
+\ The above copyright notice and this permission notice shall be
+\ included in all copies or substantial portions of the Software.
+\
+\ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+\ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+\ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+\ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+\ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+\ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+\ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+\
+\ LICENSE_END
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