[commit] r1917 - cpu/x86/pc/olpc dev/olpc/spiflash

[repository service]

Author: wmb
Date: Thu Aug  5 21:03:43 2010
New Revision: 1917
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1917

Log:
OLPC - removed support for ancient manufacturing data location in EC code area.

Modified:
   cpu/x86/pc/olpc/mfgdata.fth
   dev/olpc/spiflash/spiui.fth

Modified: cpu/x86/pc/olpc/mfgdata.fth
==============================================================================
--- cpu/x86/pc/olpc/mfgdata.fth	Thu Aug  5 02:47:11 2010	(r1916)
+++ cpu/x86/pc/olpc/mfgdata.fth	Thu Aug  5 21:03:43 2010	(r1917)
@@ -44,11 +44,9 @@
    true                       ( adr data$ name-adr true )
 ;

-\ Mfg data used to be at the end of the EC erase block, but
-\ is now in a block by itself.
+\ Mfg data is in a block by itself.
 : mfg-data-top  ( -- adr )
-   flash-base h# 1.0000 +  dup  invalid-tag?  ( old-top data-adr flag )
-   nip  if  drop flash-base h# f.0000 +  then
+   flash-base h# f.0000 +
 ;

: (find-tag)  ( name$ top-adr -- false | data$ true )

Modified: dev/olpc/spiflash/spiui.fth
==============================================================================
--- dev/olpc/spiflash/spiui.fth	Thu Aug  5 02:47:11 2010	(r1916)
+++ dev/olpc/spiflash/spiui.fth	Thu Aug  5 21:03:43 2010	(r1917)
@@ -180,7 +180,6 @@
    flash-write                          ( )
    flash-write-disable                  ( )
 ;
-
 [then]

: ?move-mfg-data  ( -- )
@@ -188,43 +187,16 @@

tethered?  if
       \ Read the manufacturing data from the other FLASH
-      \ First try the new location in the e.0000 block
       flash-buf mfg-data-offset +  /flash-block  mfg-data-offset  flash-read
-
-      \ If there is no mfg data in the e.0000 block, get whatever is in the
-      \ last 2K of the 0 block, where the mfg data used to live.
-      flash-buf mfg-data-end-offset + invalid-tag?  if
-         flash-buf mfg-data-offset +  /flash-block  h# ff  erase
-
-         flash-buf mfg-data-end-offset + h# 800 -  h# 800   ( adr len )
-         mfg-data-end-offset h# 800 -                       ( adr len offset )
-         flash-read                                         ( )
-      then
       exit
    then

+   \ Copy the entire block containing the manufacturing data into the
+   \ memory buffer.  This make verification easier.

-   \ If the system has mfg data in the old place, move it to the new place
-   mfg-data-top  flash-base h# 1.0000 +  =  if
-      \ Copy just the manufacturing data into the memory buffer; don't
-      \ copy the EC bits from the beginning of the block
-      mfg-data-range                          ( adr len )
-      flash-buf mfg-data-end-offset +         ( adr len ram-adr )
-      over -   swap                           ( adr ram-adr' len )
-      2dup 2>r  move  2r>                     ( ram-adr len )                              
-
-      \ Write from the memory buffer to the FLASH
-      mfg-data-offset flash-erase-block       ( ram-adr len )
-      mfg-data-end-offset over -              ( ram-adr len offset )
-      flash-write                             ( )
-   else
-      \ Copy the entire block containing the manufacturing data into the
-      \ memory buffer.  This make verification easier.
-
-      mfg-data-top /flash-block -             ( src-adr )
-      flash-buf mfg-data-offset +             ( src-adr dst-adr )
-      /flash-block move                       ( )
-   then
+   mfg-data-top /flash-block -             ( src-adr )
+   flash-buf mfg-data-offset +             ( src-adr dst-adr )
+   /flash-block move                       ( )
 ;

: verify-firmware  ( -- )
@@ -235,7 +207,6 @@
 [then]

\ Don't verify the block containing the manufacturing data
-
    flash-buf mfg-data-end-offset +  /flash mfg-data-end-offset  verify-flash-range   \ Verify last part
 ;
 : write-firmware   ( -- )