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kmp204x: implement workaround for A-006559

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According to the errata, some bits of an undocumented register in the
DCSR must be set for every core in order to avoid a possible data or
instruction corruption.

This is required for the 2.0 revision of the P2041 that should be used
as soon as available in our design.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Valentin Longchamp 2014-01-27 11:49:07 +01:00 committed by York Sun
parent f3e74d0a9f
commit fabb9297fa
1 changed files with 10 additions and 0 deletions
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10
board/keymile/kmp204x/pbi.cfg
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@ -8,6 +8,16 @@
# #
#PBI commands #PBI commands
#Workaround for A-006559 needed for rev 2.0 of P2041 silicon
#Freescale's errarta sheet suggests it may be done with PBI
09000010 00000000
09000014 00000000
09000018 81d00000
09021008 0000f000
09021028 0000f000
09021048 0000f000
09021068 0000f000
09000018 00000000
#Initialize CPC1 as 1MB SRAM #Initialize CPC1 as 1MB SRAM
09010000 00200400 09010000 00200400
09138000 00000000 09138000 00000000