[openfirmware] [commit] r2275 - cpu/arm/olpc/1.75
repository service
svn at openfirmware.info
Tue Jun 14 07:30:53 CEST 2011
Author: quozl
Date: Tue Jun 14 07:30:53 2011
New Revision: 2275
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2275
Log:
OLPC XO-1.75 trac #10989 - fix for RTC year increment on reboot, by remapping CMOS to RTC RAM addresses.
Modified:
cpu/arm/olpc/1.75/fw.bth
Modified: cpu/arm/olpc/1.75/fw.bth
==============================================================================
--- cpu/arm/olpc/1.75/fw.bth Tue Jun 14 04:42:19 2011 (r2274)
+++ cpu/arm/olpc/1.75/fw.bth Tue Jun 14 07:30:53 2011 (r2275)
@@ -230,15 +230,28 @@
: ec-indexed-io-off ( -- ) ; \ !!!
: ec-ixio-reboot ( -- ) ; \ !!!
: flash-base ( -- ) true abort" The stuff that relies on flash-base in security.fth needs to be reworked!" ;
+
+\ idt1338 rtc and ram address map
+\ 00 -> 0f rtc
+\ 10 -> 3f cmos
+
+: >rtc ( index -- rtc-address ) h# 3f and h# 10 + ;
+
: cmos@ ( index -- data )
- h# 38 mod 8 + " rtc@" clock-node @ ( index adr len ih )
+ >rtc " rtc@" clock-node @ ( index adr len ih )
['] $call-method catch if 4drop 0 then
;
: cmos! ( data index -- )
- h# 38 mod 8 + " rtc!" clock-node @ ( data index adr len ih )
- ['] $call-method catch if 2drop 3drop then
+ >rtc " rtc!" clock-node @ ( data index adr len ih )
+ ['] $call-method catch if 2drop 3drop then
;
+\ cmos address map
+\ 80 audio volume
+\ 81 audio volume
+\ 82 alternate boot
+\ 83 xid
+
: dimmer ( -- ) screen-ih if " dimmer" screen-ih $call-method then ;
: brighter ( -- ) screen-ih if " brighter" screen-ih $call-method then ;
@@ -248,7 +261,7 @@
2 to bundle-suffix
stand-init: xid
- 0 cmos@ dup 1+ 0 cmos! ( n )
+ h# 83 cmos@ dup 1+ h# 83 cmos! ( n )
d# 24 lshift ( new-xid )
" dev /obp-tftp to rpc-xid dend" evaluate
;
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