Author: wmb Date: 2009-11-07 09:28:16 +0000 (Sat, 07 Nov 2009) New Revision: 1462
Modified: cpu/x86/pc/olpc/via/dramtiming.fth dev/via/unichrome/unichrome.fth Log: OLPC trac 9333 - fixed screen flicker by setting the VIA display FIFO registers.
Modified: cpu/x86/pc/olpc/via/dramtiming.fth =================================================================== --- cpu/x86/pc/olpc/via/dramtiming.fth 2009-11-06 07:36:09 UTC (rev 1461) +++ cpu/x86/pc/olpc/via/dramtiming.fth 2009-11-07 09:28:16 UTC (rev 1462) @@ -87,8 +87,7 @@ rank-size #ranks * constant total-size [then]
-\ h# 400.0000 constant /fbmem -h# 1000.0000 constant /fbmem +h# 400.0000 constant /fbmem : >fbmem-base ( size/64M -- low high ) d# 26 lshift ( memsize-in-bytes ) /fbmem - ( memsize-less-framebuf-size )
Modified: dev/via/unichrome/unichrome.fth =================================================================== --- dev/via/unichrome/unichrome.fth 2009-11-06 07:36:09 UTC (rev 1461) +++ dev/via/unichrome/unichrome.fth 2009-11-07 09:28:16 UTC (rev 1462) @@ -732,7 +732,7 @@ 80 17 crt-clr \ Assert reset - Turn off screen set-secondary-timings random-stuff - lower-power + mode-independent-init \ Turn on power here? 1e 6c crt-clr \ 10=>0: VCK source is VCK PLL 0e=>0: LCDCK PLL RefClk from X1 Pin pll set-lcdck @@ -768,12 +768,15 @@ \ 00 08 h# 6b crt-mask \ Not simultaneous mode
40 16 seq-set \ manual says the bit is reserved, but the viafb driver says "CRT path set to IGA2" + 80 59 seq-clr \ Turn off IGA1 in power control register ; : olpc-crt-off ( -- ) + 80 59 seq-clr \ Turn off IGA1 in power control register 30 1b seq-clr \ IGA1 engine clock off 30 36 crt-set \ DAC off ; : olpc-crt-on ( -- ) + 80 59 seq-set \ Turn on IGA1 in power control register 30 1b seq-set \ IGA1 engine clock on 30 36 crt-clr \ DAC on ;