romstage.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <option.h>
#include <soc/cnl_memcfg_init.h>
#include <soc/gpio.h>
#include <soc/romstage.h>
#include <variant.h>
#include <variant/gpio.h>
 
void mainboard_memory_init_params(FSPM_UPD *memupd)
{
        const struct cnl_mb_cfg cfg = {
                .spd = {
                        [0] = { READ_SMBUS, { 0x50 << 1 } },
                        [2] = { READ_SMBUS, { 0x52 << 1 } },
                },
                .rcomp_resistor = { 121, 75, 100 },
                .rcomp_targets = { 50, 25, 20, 20, 26 },
                .dq_pins_interleaved = 1,
                .vref_ca_config = 2,
                .ect = 0,
        };
        cannonlake_memcfg_init(&memupd->FspmConfig, &cfg);
        memupd->FspmConfig.EccSupport = 1;
        memupd->FspmConfig.UserBd = BOARD_TYPE_MOBILE;
 
        const uint8_t vtd = get_uint_option("vtd", 1);
        memupd->FspmTestConfig.VtdDisable = !vtd;
        const uint8_t ht = get_uint_option("hyper_threading", memupd->FspmConfig.HyperThreading);
        memupd->FspmConfig.HyperThreading = ht;
 
        variant_romstage_params(memupd);
 
        variant_configure_gpios();
}
 
__weak void variant_romstage_params(FSPM_UPD *const mupd)
{
}