Changeset 3406

Timestamp:

Nov 1, 2012 10:02:34 PM (7 months ago)

Author:

wmb

Message:

OLPC XO-4 - Fixed OLPC trac #12265 (HDMI colors swapped). Also changed the PHY tuning parameters per wad's recommendations.

File:

• cpu/arm/mmp3/hdmi.fth (modified) (3 diffs)

cpu/arm/mmp3/hdmi.fth

@@ -226 +226 @@
 
 \ Tune these for best eye diagram
-5 value damp  1 value eamp  0 value cp
-0 value ajd   1 value svtx  h# c value idrv  
+6 value damp  2 value eamp  0 value cp
+0 value ajd   1 value svtx  8 value idrv  
 
 : setup-phy  ( freq -- )
-   drop                     \ We may need to retune the phy for different frequencies
+   d# 148 =  if  9  else  8  then  to idrv
 
    select-phy
@@ -324 +324 @@
 \ : dither-table!  ( n -- )  h# a4 lcd!  ;
 
-[ifdef] notdef
-: tv-clear   ( reg# -- )  0 swap lcd!  ;
-: tv-unused-clear  ( -- )
-   h# 00 tv-clear  h# 04 tv-clear  h# 08 tv-clear  \ Y0, U0, V0 start address
-   h# 10 tv-clear  h# 14 tv-clear  h# 18 tv-clear  \ Y1, U1, V1 start address
-   h# 20 tv-clear  h# 24 tv-clear                  \ Y+C pitch, U+V pitch
-   h# 28 tv-clear                                  \ Video starting point on screen
-   h# 2c tv-clear  h# 30 tv-clear                  \ Video source size, dest size
-   h# 38 tv-clear                                  \ Graphic frame 1 start address
-   0 0 tv-gfx-offset!
-   0 0 tv-cursor-pos!
-   h# 68 tv-clear  h# 6c tv-clear                  \ Cursor color 1, 2
-   h# 70 tv-clear  h# 74 tv-clear  h# 78 tv-clear  \ Y, U, V color keys 
-;
-: tv-enable  ( -- )  h# 5140 tv-dma-ctrl0!  ;
-: tv-misc  ( -- )
-   tv-unused-clear
-   h# 283eff00 tv-dma-ctrl1!
-   h# 00ff1001 tv-tvif!
-   h# 60010005 tv-divider!
-;
-: tv-base-res!  ( hres vres -- )
-   over bytes/pixel *  tv-pitch!       ( hres vres )
-   2dup tv-gfx-dst-res!                ( hres vres )
-   tv-active!                          ( )
-;
-[then]
-
 d# 16 value tv-bpp
 : init-tv-graphics  ( -- )
@@ -368 +340 @@
    7    d#  9 -bits  \ Turn off YUV422PACK, YVYU422P, UYVY422P
 
-   1    d# 12 -bits  \ RGBswap
-\  1    d# 12 +bits  \ RGBswap
+   1    d# 12 +bits  \ RGBswap (RGB, not BGR)
                 
    1    d# 27 +bits  \ DMA AXI arbiter enable