src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDH6001DA-B422-4GB.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <soc/dramc_param.h>
   4
   5 struct sdram_params params = {
   6         .source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG,
   7         .frequency = 1600,
   8         .rank_num = 2,
   9         .ddr_geometry = DDR_TYPE_2CH_2RK_4GB_2_2,
  10         .wr_level = {
  11                 [CHANNEL_A] = { {0x21, 0x21}, {0x20, 0x20} },
  12                 [CHANNEL_B] = { {0x1E, 0x1F}, {0x1D, 0x1E} }
  13         },
  14         .cbt_cs_dly = {
  15                 [CHANNEL_A] = {0x1, 0x1},
  16                 [CHANNEL_B] = {0x2, 0x2}
  17         },
  18         .cbt_final_vref = {
  19                 [CHANNEL_A] = {0x56, 0x56},
  20                 [CHANNEL_B] = {0x58, 0x5C}
  21         },
  22         .emi_cona_val = 0xF053F154,
  23         .emi_conh_val = 0x44440003,
  24         .emi_conf_val = 0x00421000,
  25         .chn_emi_cona_val = {0x0444F051, 0x0444F051},
  26         .cbt_mode_extern = CBT_NORMAL_MODE,
  27         .delay_cell_unit = 868,
  28 };