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path: root/board/freescale/t104xrdb/ddr.c
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Diffstat (limited to 'board/freescale/t104xrdb/ddr.c')
-rw-r--r--board/freescale/t104xrdb/ddr.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/board/freescale/t104xrdb/ddr.c b/board/freescale/t104xrdb/ddr.c
index 9009afa..57d0f9c 100644
--- a/board/freescale/t104xrdb/ddr.c
+++ b/board/freescale/t104xrdb/ddr.c
@@ -46,7 +46,7 @@ void fsl_ddr_board_options(memctl_options_t *popts,
pbsp = udimms[0];
- /* Get clk_adjust, cpo, write_data_delay,2t, according to the board ddr
+ /* Get clk_adjust according to the board ddr
* freqency and n_banks specified in board_specific_parameters table.
*/
ddr_freq = get_ddr_freq(0) / 1000000;
@@ -54,14 +54,10 @@ void fsl_ddr_board_options(memctl_options_t *popts,
if (pbsp->n_ranks == pdimm->n_ranks &&
(pdimm->rank_density >> 30) >= pbsp->rank_gb) {
if (ddr_freq <= pbsp->datarate_mhz_high) {
- popts->cpo_override = pbsp->cpo;
- popts->write_data_delay =
- pbsp->write_data_delay;
popts->clk_adjust = pbsp->clk_adjust;
popts->wrlvl_start = pbsp->wrlvl_start;
popts->wrlvl_ctl_2 = pbsp->wrlvl_ctl_2;
popts->wrlvl_ctl_3 = pbsp->wrlvl_ctl_3;
- popts->twot_en = pbsp->force_2t;
goto found;
}
pbsp_highest = pbsp;
@@ -74,13 +70,10 @@ void fsl_ddr_board_options(memctl_options_t *popts,
printf("for data rate %lu MT/s\n", ddr_freq);
printf("Trying to use the highest speed (%u) parameters\n",
pbsp_highest->datarate_mhz_high);
- popts->cpo_override = pbsp_highest->cpo;
- popts->write_data_delay = pbsp_highest->write_data_delay;
popts->clk_adjust = pbsp_highest->clk_adjust;
popts->wrlvl_start = pbsp_highest->wrlvl_start;
popts->wrlvl_ctl_2 = pbsp->wrlvl_ctl_2;
popts->wrlvl_ctl_3 = pbsp->wrlvl_ctl_3;
- popts->twot_en = pbsp_highest->force_2t;
} else {
panic("DIMM is not supported by this board");
}
@@ -112,8 +105,8 @@ found:
popts->zq_en = 1;
/* DHC_EN =1, ODT = 75 Ohm */
- popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_75ohm);
- popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm);
+ popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_OFF);
+ popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_OFF);
}
phys_size_t initdram(int board_type)