summaryrefslogtreecommitdiff
path: root/board/freescale/mpc8544ds
diff options
context:
space:
mode:
authorDave Liu <daveliu@freescale.com>2008-11-21 16:31:43 +0800
committerAndrew Fleming-AFLEMING <afleming@freescale.com>2009-01-23 17:03:14 -0600
commitb4983e16d150ab7d039704c310aacbd2f4dc1e0f (patch)
treee9d6b115e91cea5fe4e1ca3edc7d86bb28e4c190 /board/freescale/mpc8544ds
parent22cca7e1cd54590e967c73558b07ffbdccd39504 (diff)
downloadu-boot-imx-b4983e16d150ab7d039704c310aacbd2f4dc1e0f.zip
u-boot-imx-b4983e16d150ab7d039704c310aacbd2f4dc1e0f.tar.gz
u-boot-imx-b4983e16d150ab7d039704c310aacbd2f4dc1e0f.tar.bz2
fsl-ddr: use the 1T timing as default configuration
For light loaded system, we use the 1T timing to gain better memory performance, but for some heavily loaded system, you have to add the 2T timing options to board files. Signed-off-by: Dave Liu <daveliu@freescale.com> Acked-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'board/freescale/mpc8544ds')
-rw-r--r--board/freescale/mpc8544ds/ddr.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/board/freescale/mpc8544ds/ddr.c b/board/freescale/mpc8544ds/ddr.c
index 34f84a2..b8330eb 100644
--- a/board/freescale/mpc8544ds/ddr.c
+++ b/board/freescale/mpc8544ds/ddr.c
@@ -75,6 +75,9 @@ void fsl_ddr_board_options(memctl_options_t *popts,
*/
popts->write_data_delay = 3;
+ /* 2T timing enable */
+ popts->twoT_en = 1;
+
/*
* Factors to consider for half-strength driver enable:
* - number of DIMMs installed