Author: quozl Date: Fri Aug 31 00:05:00 2012 New Revision: 3252 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/3252
Log: OLPC XO-4 - disable thermal watchdog until silicon fixed
Modified: cpu/arm/mmp3/thermal.fth
Modified: cpu/arm/mmp3/thermal.fth ============================================================================== --- cpu/arm/mmp3/thermal.fth Thu Aug 30 18:37:19 2012 (r3251) +++ cpu/arm/mmp3/thermal.fth Fri Aug 31 00:05:00 2012 (r3252) @@ -116,7 +116,7 @@ : init-thermal-sensor ( -- ) ts-clocks 0 ts-range-high - 0 ts-watchdog-enable + \ 0 ts-watchdog-enable \ WDT reset will cause system hang, per errata 472630 1 ts-range-low 2 ts-range-low 3 0 do i ts-auto-read loop @@ -205,21 +205,21 @@ ." THRSENS_WDTR_EN was not set" cr h# 200 mpmu@ 1 7 lshift or h# 200 mpmu! then - 0 ts@ + 1 ts@ 1 d# 27 lshift or \ set the lowrange bit h# 0020.0000 or \ set the autorun bit (undocumented) h# 0400.0000 or \ set the watchdog enable bit h# b h# f and d# 8 lshift or \ set the watchdog temperature (58-60.5C) b# 0101.1111.1010.0000.0000.1111.1111.0000 and \ always write zero to reserved bits - 0 ts! + 1 ts! ." thermal watchdog enabled" cr watch-thermal ;
: force-thermal-watchdog h# 200 mpmu@ 1 7 lshift or h# 200 mpmu! \ thrsens_wdtr_en - h# 0c20.0000 h# 03.b000 io! \ lowrange, en_wdog, auto_read_en, wdog_tshld 26C + h# 0c20.0000 h# 03.b004 io! \ lowrange, en_wdog, auto_read_en, wdog_tshld 26C ;