meminit.c File Reference

#include <assert.h>
#include <console/console.h>
#include <fsp/util.h>
#include <soc/meminit.h>
#include <string.h>

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Macros
#define	LP4X_CH_WIDTH   16
#define	LP4X_CHANNELS   CHANNEL_COUNT(LP4X_CH_WIDTH)
#define	DDR4_CH_WIDTH   64
#define	DDR4_CHANNELS   CHANNEL_COUNT(DDR4_CH_WIDTH)

Functions
static void	mem_init_spd_upds (FSP_M_CONFIG *mem_cfg, const struct mem_channel_data *data)
static void	mem_init_dq_dqs_upds (void *upds[MRC_CHANNELS], const void *map, size_t upd_size, const struct mem_channel_data *data)
static void	mem_init_dq_upds (FSP_M_CONFIG *mem_cfg, const struct mem_channel_data *data, const struct mb_cfg *mb_cfg)
static void	mem_init_dqs_upds (FSP_M_CONFIG *mem_cfg, const struct mem_channel_data *data, const struct mb_cfg *mb_cfg)
void	memcfg_init (FSPM_UPD *memupd, const struct mb_cfg *mb_cfg, const struct mem_spd *spd_info, bool half_populated)

Variables
static const struct soc_mem_cfg	soc_mem_cfg []

Macro Definition Documentation

DDR4_CH_WIDTH

#define DDR4_CH_WIDTH   64

Definition at line 12 of file meminit.c.

DDR4_CHANNELS

#define DDR4_CHANNELS   CHANNEL_COUNT(DDR4_CH_WIDTH)

Definition at line 13 of file meminit.c.

LP4X_CH_WIDTH

#define LP4X_CH_WIDTH   16

Definition at line 9 of file meminit.c.

LP4X_CHANNELS

#define LP4X_CHANNELS   CHANNEL_COUNT(LP4X_CH_WIDTH)

Definition at line 10 of file meminit.c.

Function Documentation

mem_init_dq_dqs_upds()

static void mem_init_dq_dqs_upds ( void *  upds[MRC_CHANNELS], const void *  map, size_t  upd_size, const struct mem_channel_data *  data  )

static

Definition at line 95 of file meminit.c.

References mem_channel_data::ch_population_flags, channel_is_populated(), memcpy(), memset(), and MRC_CHANNELS.

Referenced by mem_init_dq_upds(), and mem_init_dqs_upds().

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mem_init_dq_upds()

static void mem_init_dq_upds ( FSP_M_CONFIG *  mem_cfg, const struct mem_channel_data *  data, const struct mb_cfg *  mb_cfg  )

static

Definition at line 108 of file meminit.c.

References _Static_assert(), mb_cfg::dq_map, mem_init_dq_dqs_upds(), and MRC_CHANNELS.

Referenced by memcfg_init().

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mem_init_dqs_upds()

static void mem_init_dqs_upds ( FSP_M_CONFIG *  mem_cfg, const struct mem_channel_data *  data, const struct mb_cfg *  mb_cfg  )

static

Definition at line 129 of file meminit.c.

References _Static_assert(), mb_cfg::dqs_map, mem_init_dq_dqs_upds(), and MRC_CHANNELS.

Referenced by memcfg_init().

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mem_init_spd_upds()

static void mem_init_spd_upds ( FSP_M_CONFIG *  mem_cfg, const struct mem_channel_data *  data  )

static

Definition at line 55 of file meminit.c.

References BIT, ch, MRC_CHANNELS, mem_channel_data::spd, and mem_channel_data::spd_len.

Referenced by memcfg_init().

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memcfg_init()

void memcfg_init	(	FSPM_UPD *	memupd,
		const struct mb_cfg *	mb_cfg,
		const struct mem_spd *	spd_info,
		bool	half_populated
	)

Definition at line 150 of file meminit.c.

References ARRAY_SIZE, mb_cfg::CmdMirror, mb_cfg::ddr4_config, ddr5_fill_dimm_module_info(), mb_cfg::ddr_config, die(), mem_ddr4_config::dq_pins_interleaved, mb_cfg::ect, FSP_M_CONFIG, mb_cfg::lp5x_config, mb_cfg::LpDdrDqDqsReTraining, mem_init_dq_upds(), mem_init_dqs_upds(), mem_init_spd_upds(), mem_populate_channel_data(), MEM_TOPO_DIMM_MODULE, MEM_TYPE_DDR4, MEM_TYPE_DDR5, MEM_TYPE_LP4X, MEM_TYPE_LP5X, meminit_ddr(), meminit_lp4x(), meminit_lp5x(), set_rcomp_config(), mb_cfg::type, and mb_cfg::UserBd.

Referenced by mainboard_memory_init_params(), variant_configure_fspm(), and variant_memory_init().

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Variable Documentation

soc_mem_cfg

const struct soc_mem_cfg soc_mem_cfg[]

static

Definition at line 1 of file meminit.c.