Lines Matching +full:driver +full:- +full:strength +full:- +full:ohm

4  * SPDX-License-Identifier:	GPL-2.0+
27 if (!pdimm->n_ranks) in fsl_ddr_board_options()
36 while (pbsp->datarate_mhz_high) { in fsl_ddr_board_options()
37 if (pbsp->n_ranks == pdimm->n_ranks) { in fsl_ddr_board_options()
38 if (ddr_freq <= pbsp->datarate_mhz_high) { in fsl_ddr_board_options()
39 popts->clk_adjust = pbsp->clk_adjust; in fsl_ddr_board_options()
40 popts->wrlvl_start = pbsp->wrlvl_start; in fsl_ddr_board_options()
41 popts->wrlvl_ctl_2 = pbsp->wrlvl_ctl_2; in fsl_ddr_board_options()
42 popts->wrlvl_ctl_3 = pbsp->wrlvl_ctl_3; in fsl_ddr_board_options()
43 popts->cpo_override = pbsp->cpo_override; in fsl_ddr_board_options()
44 popts->write_data_delay = in fsl_ddr_board_options()
45 pbsp->write_data_delay; in fsl_ddr_board_options()
57 pbsp_highest->datarate_mhz_high); in fsl_ddr_board_options()
58 popts->clk_adjust = pbsp_highest->clk_adjust; in fsl_ddr_board_options()
59 popts->wrlvl_start = pbsp_highest->wrlvl_start; in fsl_ddr_board_options()
60 popts->wrlvl_ctl_2 = pbsp->wrlvl_ctl_2; in fsl_ddr_board_options()
61 popts->wrlvl_ctl_3 = pbsp->wrlvl_ctl_3; in fsl_ddr_board_options()
67 pbsp->n_ranks, pbsp->datarate_mhz_high, pbsp->rank_gb); in fsl_ddr_board_options()
70 popts->data_bus_width = 1; in fsl_ddr_board_options()
71 popts->otf_burst_chop_en = 0; in fsl_ddr_board_options()
72 popts->burst_length = DDR_BL8; in fsl_ddr_board_options()
75 * Factors to consider for half-strength driver enable: in fsl_ddr_board_options()
76 * - number of DIMMs installed in fsl_ddr_board_options()
78 popts->half_strength_driver_enable = 1; in fsl_ddr_board_options()
82 popts->wrlvl_override = 1; in fsl_ddr_board_options()
83 popts->wrlvl_sample = 0xf; in fsl_ddr_board_options()
88 popts->rtt_override = 0; in fsl_ddr_board_options()
91 popts->zq_en = 1; in fsl_ddr_board_options()
94 popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_80ohm); in fsl_ddr_board_options()
95 popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_80ohm) | in fsl_ddr_board_options()
98 popts->cswl_override = DDR_CSWL_CS0; in fsl_ddr_board_options()
100 /* optimize cpo for erratum A-009942 */ in fsl_ddr_board_options()
101 popts->cpo_sample = 0x58; in fsl_ddr_board_options()
103 /* DHC_EN =1, ODT = 75 Ohm */ in fsl_ddr_board_options()
104 popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_75ohm); in fsl_ddr_board_options()
105 popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm); in fsl_ddr_board_options()
149 memset(pdimm->mpart, 0, sizeof(pdimm->mpart)); in fsl_ddr_get_dimm_params()
150 memcpy(pdimm->mpart, dimm_model, sizeof(dimm_model) - 1); in fsl_ddr_get_dimm_params()
183 gd->ram_size = dram_size; in fsl_initdram()
190 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; in dram_init_banksize()
191 gd->bd->bi_dram[0].size = gd->ram_size; in dram_init_banksize()