diff options
author | Holger Brunck <holger.brunck@keymile.com> | 2012-11-02 00:15:07 (GMT) |
---|---|---|
committer | Prafulla Wadaskar <prafulla@marvell.com> | 2013-01-08 22:42:10 (GMT) |
commit | 2472216caccc82f8b4bbe62421aa649eb186fefc (patch) | |
tree | bcf0203fd9e04af0e9b8f5d258121e7e7565753f /board/keymile/km_arm/kwbimage.cfg | |
parent | 7528cf5f016b5b8b8b12b373f6f31a10bf89233d (diff) | |
download | u-boot-2472216caccc82f8b4bbe62421aa649eb186fefc.tar.xz |
arm/km: fix memory settings
On kmcoge5un we faced some serious problems with the memory during
temperature tests. Reason was that we overwrite some registers for
memory settings which have to leave untouched. These where registers
0x20148 , 0x2014c and 0x20154.
So writing these registers is prohibited and this patch removes them
from all km related config files. Even if the problem was only
seen on kmcoge5un.
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
Diffstat (limited to 'board/keymile/km_arm/kwbimage.cfg')
-rw-r--r-- | board/keymile/km_arm/kwbimage.cfg | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/board/keymile/km_arm/kwbimage.cfg b/board/keymile/km_arm/kwbimage.cfg index b2f5193..e5e9942 100644 --- a/board/keymile/km_arm/kwbimage.cfg +++ b/board/keymile/km_arm/kwbimage.cfg @@ -52,9 +52,9 @@ DATA 0xFFD10008 0x00001100 # MPP Control 2 Register DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register -DATA 0xFFD20154 0x00000200 # CPU RAM Management Control3 Register -DATA 0xFFD2014C 0x00001C00 # CPU RAM Management Control1 Register -DATA 0xFFD20148 0x00000001 # CPU RAM Management Control0 Register + +# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched! +# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage #Dram initalization DATA 0xFFD01400 0x43000400 # SDRAM Configuration Register |