From: Lothar Waßmann Date: Thu, 14 Aug 2014 08:27:01 +0000 (+0200) Subject: karo: tx53: change drive strength of DDR control lines X-Git-Tag: KARO-TX-2014-08-21 X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=commitdiff_plain;h=ae8ea0ee81ef398d894305c8f151e0d837168682 karo: tx53: change drive strength of DDR control lines With the current setting of the DSE values for the DDR control lines we were exoeriencing memory errors at high operating temperatures. Extensive memory tests have shown, that increasing the value for the DSE setting fixes this problem. --- diff --git a/board/karo/tx53/lowlevel_init.S b/board/karo/tx53/lowlevel_init.S index ceddce9902..b547eae9e0 100644 --- a/board/karo/tx53/lowlevel_init.S +++ b/board/karo/tx53/lowlevel_init.S @@ -410,7 +410,7 @@ dcd_hdr: MXC_DCD_ITEM(0x53fd4024, 0x00080b18) /* CSCDR1 */ #define DDR_SEL_VAL 0 -#define DSE_VAL 5 +#define DSE_VAL 6 #define ODT_VAL 2 #define DDR_SEL_SHIFT 25