[openfirmware] r1410 - cpu/x86/pc/olpc/via

[svn at openfirmware.info]

Author: wmb
Date: 2009-10-10 01:36:03 +0200 (Sat, 10 Oct 2009)
New Revision: 1410

Modified:
   cpu/x86/pc/olpc/via/ioinit.fth
Log:
Via - A couple of startup register tweaks suggested by Via.




Modified: cpu/x86/pc/olpc/via/ioinit.fth
===================================================================
--- cpu/x86/pc/olpc/via/ioinit.fth	2009-10-09 20:23:36 UTC (rev 1409)
+++ cpu/x86/pc/olpc/via/ioinit.fth	2009-10-09 23:36:03 UTC (rev 1410)
@@ -116,6 +116,7 @@
 [then]
 
    d# 16 4 devfunc  \ EHCI
+   41 20 20 mreg  \ Evaluate PERIODIC Enable bit only at beginning of micro-frame 0 (undocumented)
    42 40 40 mreg  \ Enable Check PRESOF of ITDOUT Transaction during Fetching Data from DRAM
    43 c0 c0 mreg  \ Enable Dynamic Clock Scheme - 66MHz (80) & 33MHz (40)
    48 20 00 mreg  \ Disable DMA bursts
@@ -233,6 +234,7 @@
    9f ff ad mreg  \ be like Phx (slot 3 is Card Reader not SDIO)
 [then]
 
+   b0 08 00 mreg  \ The BIOS Porting Note says to clear this bit.  Phoenix and coreboot agree.
    b4 80 00 mreg  \ No positive decoding for UART1 ???
    b7 40 40 mreg  \ 40 res be like Phx
 uart-dma-io-base wbsplit swap  ( bits15:8 bits7:0 )