Author: wmb Date: 2007-05-16 11:05:57 +0200 (Wed, 16 May 2007) New Revision: 389
Modified: cpu/x86/pc/olpc/devices.fth dev/olpc/kb3700/ecio.fth Log: OLPC - in the EC, turn off auto-SCI-generation for port 66, thus squelching a flood of SCIs.
Modified: cpu/x86/pc/olpc/devices.fth =================================================================== --- cpu/x86/pc/olpc/devices.fth 2007-05-16 08:54:20 UTC (rev 388) +++ cpu/x86/pc/olpc/devices.fth 2007-05-16 09:05:57 UTC (rev 389) @@ -253,6 +253,10 @@ to board-revision ;
+stand-init: Quiet SCI + sci-quiet +; + stand-init: Wireless reset [ifdef] lx-devel exit [then]
Modified: dev/olpc/kb3700/ecio.fth =================================================================== --- dev/olpc/kb3700/ecio.fth 2007-05-16 08:54:20 UTC (rev 388) +++ dev/olpc/kb3700/ecio.fth 2007-05-16 09:05:57 UTC (rev 389) @@ -149,6 +149,10 @@
: snoop-board-id@ ( -- id ) h# fa20 ec@ ;
+\ This makes the EC stop generating a flood of SCIs every time you do +\ the port 66 command sequence. +: sci-quiet ( -- ) h# 50 h# ff03 ec! ; + \ While accessing the SPI FLASH, we have to turn off the keyboard controller, \ because it continuously fetches from the SPI FLASH when it's on. That \ interferes with our accesses.