Commit b4983e16 authored by Dave Liu's avatar Dave Liu Committed by Andrew Fleming-AFLEMING

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: default avatarDave Liu <daveliu@freescale.com>
Acked-by: default avatarAndy Fleming <afleming@freescale.com>
parent 22cca7e1
......@@ -65,6 +65,9 @@ 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
......
......@@ -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
......
......@@ -65,6 +65,9 @@ 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
......
......@@ -74,6 +74,9 @@ 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
......
......@@ -162,4 +162,6 @@ void fsl_ddr_board_options(memctl_options_t *popts,
}
}
/* 2T timing enable */
popts->twoT_en = 1;
}
......@@ -65,6 +65,9 @@ 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
......
......@@ -65,6 +65,9 @@ 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
......
......@@ -142,7 +142,7 @@ unsigned int populate_memctl_options(int all_DIMMs_registered,
* - number of components, number of active ranks
* - how much time you want to spend playing around
*/
popts->twoT_en = 1;
popts->twoT_en = 0;
popts->threeT_en = 0;
/*
......
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