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/* SPDX-License-Identifier: GPL-2.0-only */
#include <soc/cnl_memcfg_init.h>
#include <soc/romstage.h>
static const struct cnl_mb_cfg memcfg = {
.spd[0] = {
.read_type = READ_SPD_CBFS,
.spd_spec = {.spd_index = 0},
},
.spd[2] = {
.read_type = READ_SMBUS,
.spd_spec = {.spd_smbus_address = 0xa4},
},
/* Values of the resistors connected to the DDR_RCOMP_[2:0] pins of the CPU */
.rcomp_resistor = { 121, 81, 100 },
/* Rcomp target values */
.rcomp_targets = { 100, 40, 20, 20, 26 },
/* Interleaved ("back-to-back") pin mapping */
.dq_pins_interleaved = 1,
/*
* DDR4 Vref mapping
* VREF_CA goes to CH_A and VREF_DQ_B (DDR1_VREF_DQ) goes to CH_B.
*/
.vref_ca_config = 2,
};
void mainboard_memory_init_params(FSPM_UPD *memupd)
{
cannonlake_memcfg_init(&memupd->FspmConfig, &memcfg);
}
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