/* SPDX-License-Identifier: GPL-2.0-only */ #include #include static const struct cnl_mb_cfg memcfg = { /* Parameters required to access SPD for CH0D0/CH0D1/CH1D0/CH1D1. */ .spd[0] = { .read_type = READ_SMBUS, .spd_spec = {.spd_smbus_address = 0xa0}, }, .spd[1] = {.read_type = NOT_EXISTING}, .spd[2] = { .read_type = READ_SMBUS, .spd_spec = {.spd_smbus_address = 0xa4}, }, .spd[3] = {.read_type = NOT_EXISTING}, /* * Rcomp resistor values. These values represent the resistance in * ohms of the three rcomp resistors attached to the DDR_COMP_0, * DDR_COMP_1, and DDR_COMP_2 pins on the DRAM. */ .rcomp_resistor = { 121, 81, 100 }, /* Rcomp target values */ .rcomp_targets = { 100, 40, 20, 20, 26 }, /* * Indicates whether memory is interleaved. * Set to 1 for an interleaved design, * set to 0 for non-interleaved design. */ .dq_pins_interleaved = 1, /* * VREF_CA configuration. * Set to 0 VREF_CA goes to both CH_A and CH_B, * set to 1 VREF_CA goes to CH_A and VREF_DQ_A goes to CH_B, * set to 2 VREF_CA goes to CH_A and VREF_DQ_B goes to CH_B. */ .vref_ca_config = 2, /* Early Command Training */ .ect = 0, }; void mainboard_memory_init_params(FSPM_UPD *memupd) { FSP_M_CONFIG *mem_cfg = &memupd->FspmConfig; cannonlake_memcfg_init(mem_cfg, &memcfg); /* Enable and set SATA HSIO adjustments for ports 0 and 2 */ mem_cfg->PchSataHsioRxGen3EqBoostMagEnable[0] = 1; mem_cfg->PchSataHsioRxGen3EqBoostMagEnable[2] = 1; mem_cfg->PchSataHsioRxGen3EqBoostMag[0] = 2; mem_cfg->PchSataHsioRxGen3EqBoostMag[2] = 1; }