Author: wmb Date: Fri Jun 3 03:51:11 2011 New Revision: 2241 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2241
Log: OLPC XO-1.75 - Access to manufacturing data was failing due to an initialization order problem.
Modified: cpu/arm/olpc/1.75/devices.fth cpu/arm/olpc/1.75/getmfgdata.fth
Modified: cpu/arm/olpc/1.75/devices.fth ============================================================================== --- cpu/arm/olpc/1.75/devices.fth Fri Jun 3 03:49:09 2011 (r2240) +++ cpu/arm/olpc/1.75/devices.fth Fri Jun 3 03:51:11 2011 (r2241) @@ -94,9 +94,12 @@ init-timers init-twsi ; -stand-init: +warning @ warning off +: stand-init-io + stand-init-io init-stuff ; +warning !
fload ${BP}/cpu/arm/mmp2/irq.fth
Modified: cpu/arm/olpc/1.75/getmfgdata.fth ============================================================================== --- cpu/arm/olpc/1.75/getmfgdata.fth Fri Jun 3 03:49:09 2011 (r2240) +++ cpu/arm/olpc/1.75/getmfgdata.fth Fri Jun 3 03:51:11 2011 (r2241) @@ -1,17 +1,18 @@ purpose: Get the manufacturing data into memory where it can be manipulated
-/flash-block buffer: mfg-data-buf +\ It is tempting to use buffer: for this, but that fails because +\ we need to access manufacturing data very early (for security), +\ in stand-init-io before the call to clear-buffer:s in init. +0 value mfg-data-buf
: get-mfg-data ( -- ) + mfg-data-buf if exit then + /flash-block alloc-mem to mfg-data-buf flash-open mfg-data-buf /flash-block mfg-data-offset flash-read ;
-0 value mfg-data-read? : mfg-data-top ( -- adr ) - mfg-data-read? 0= if - get-mfg-data - true to mfg-data-read? - then + get-mfg-data mfg-data-buf /flash-block + ;