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mpc85xx/t104xrdb : remove raw timing parameter

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This board uses DDR DIMM. Reading SPD provides more flexibility.
Raw timing parameter code should be removed after debugging.

Signed-off-by: Vijay Rai <vijay.rai@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
vijay rai 2015-02-03 13:02:41 +00:00 committed by York Sun
parent 703f568167
commit 2372e283e5
3 changed files with 0 additions and 45 deletions
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15
board/freescale/t104xrdb/ddr.c
View file

@ -16,21 +16,6 @@
DECLARE_GLOBAL_DATA_PTR;
int fsl_ddr_get_dimm_params(dimm_params_t *pdimm,
unsigned int controller_number,
unsigned int dimm_number)
{
const char dimm_model[] = "RAW timing DDR";
if ((controller_number == 0) && (dimm_number == 0)) {
memcpy(pdimm, &ddr_raw_timing, sizeof(dimm_params_t));
memset(pdimm->mpart, 0, sizeof(pdimm->mpart));
memcpy(pdimm->mpart, dimm_model, sizeof(dimm_model) - 1);
}
return 0;
}
void fsl_ddr_board_options(memctl_options_t *popts,
dimm_params_t *pdimm,
unsigned int ctrl_num)

29
board/freescale/t104xrdb/ddr.h
View file

@ -6,35 +6,6 @@
#ifndef __DDR_H__
#define __DDR_H__
dimm_params_t ddr_raw_timing = {
.n_ranks = 2,
.rank_density = 2147483648u,
.capacity = 4294967296u,
.primary_sdram_width = 64,
.ec_sdram_width = 8,
.registered_dimm = 0,
.mirrored_dimm = 0,
.n_row_addr = 15,
.n_col_addr = 10,
.n_banks_per_sdram_device = 8,
.edc_config = 2, /* ECC */
.burst_lengths_bitmask = 0x0c,
.tckmin_x_ps = 1071,
.caslat_x = 0xfe << 4, /* 5,6,7,8,9,10,11 */
.taa_ps = 13125,
.twr_ps = 15000,
.trcd_ps = 13125,
.trrd_ps = 6000,
.trp_ps = 13125,
.tras_ps = 34000,
.trc_ps = 48125,
.trfc_ps = 260000,
.twtr_ps = 7500,
.trtp_ps = 7500,
.refresh_rate_ps = 7800000,
.tfaw_ps = 35000,
};
struct board_specific_parameters {
u32 n_ranks;
u32 datarate_mhz_high;

1
include/configs/T104xRDB.h
View file

@ -220,7 +220,6 @@
#define CONFIG_CHIP_SELECTS_PER_CTRL (2 * CONFIG_DIMM_SLOTS_PER_CTLR)
#define CONFIG_DDR_SPD
#define CONFIG_SYS_DDR_RAW_TIMING
#define CONFIG_SYS_FSL_DDR3
#define CONFIG_SYS_SPD_BUS_NUM 0