meminit.c File Reference

#include <assert.h>
#include <console/console.h>
#include <intelblocks/meminit.h>
#include <commonlib/region.h>
#include <spd_bin.h>
#include <spd_cache.h>
#include <string.h>
#include <types.h>

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Macros
#define	CH_DIMM_OFFSET(ch, dimm)   ((ch) * CONFIG_DIMMS_PER_CHANNEL + (dimm))

Functions
	_Static_assert (CONFIG_MRC_CHANNEL_WIDTH > 0, "MRC channel width must be >0!")
	_Static_assert (CONFIG_DATA_BUS_WIDTH > 0, "Data bus width must be >0!")
	_Static_assert (CONFIG_DIMMS_PER_CHANNEL > 0, "DIMMS per channel must be >0!")
static enum channel_population	populated_mask_to_flag (uint32_t pop_mask, size_t max_channels)
static void	read_spd_md (const struct soc_mem_cfg *soc_mem_cfg, const struct mem_spd *info, bool half_populated, struct mem_channel_data *channel_data, size_t *spd_len)
static bool	read_spd_dimm (FSPM_UPD *memupd, const struct soc_mem_cfg *soc_mem_cfg, const struct mem_spd *info, bool half_populated, struct mem_channel_data *channel_data, size_t *spd_len)
void	mem_populate_channel_data (FSPM_UPD *memupd, const struct soc_mem_cfg *soc_mem_cfg, const struct mem_spd *spd_info, bool half_populated, struct mem_channel_data *data)

Macro Definition Documentation

CH_DIMM_OFFSET

#define CH_DIMM_OFFSET	(		ch,
			dimm
	)		((ch) * CONFIG_DIMMS_PER_CHANNEL + (dimm))

Definition at line 96 of file meminit.c.

Function Documentation

_Static_assert() [1/3]

_Static_assert	(	CONFIG_DATA_BUS_WIDTH	,
		0	,
		"Data bus width must	be,
		0!"
	)

_Static_assert() [2/3]

_Static_assert	(	CONFIG_DIMMS_PER_CHANNEL	,
		0	,
		"DIMMS per channel must	be,
		0!"
	)

_Static_assert() [3/3]

_Static_assert	(	CONFIG_MRC_CHANNEL_WIDTH	,
		0	,
		"MRC channel width must	be,
		0!"
	)

Referenced by mem_init_dq_upds(), mem_init_dqs_upds(), and read_spd_md().

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mem_populate_channel_data()

void mem_populate_channel_data	(	FSPM_UPD *	memupd,
		const struct soc_mem_cfg *	soc_mem_cfg,
		const struct mem_spd *	spd_info,
		bool	half_populated,
		struct mem_channel_data *	data
	)

Definition at line 187 of file meminit.c.

References mem_channel_data::ch_population_flags, die(), MEM_TOPO_DIMM_MODULE, MEM_TOPO_MEMORY_DOWN, memset(), NO_CHANNEL_POPULATED, read_spd_dimm(), read_spd_md(), and mem_channel_data::spd_len.

Referenced by memcfg_init().

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populated_mask_to_flag()

static enum channel_population populated_mask_to_flag ( uint32_t  pop_mask, size_t  max_channels  )

static

Definition at line 14 of file meminit.c.

Referenced by read_spd_dimm(), and read_spd_md().

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read_spd_dimm()

static bool read_spd_dimm ( FSPM_UPD *  memupd, const struct soc_mem_cfg *  soc_mem_cfg, const struct mem_spd *  info, bool  half_populated, struct mem_channel_data *  channel_data, size_t *  spd_len  )

static

Definition at line 98 of file meminit.c.

References spd_block::addr_map, BIOS_ERR, BIOS_INFO, BIOS_WARNING, BIT, CB_ERR, CB_SUCCESS, ch, CH_DIMM_OFFSET, mem_channel_data::ch_population_flags, check_if_dimm_changed(), CONFIG, FSP_BOOT_WITH_FULL_CONFIGURATION, get_spd_smbus(), info, spd_block::len, load_spd_cache(), MEM_TOPO_DIMM_MODULE, NULL, soc_mem_cfg::num_phys_channels, soc_mem_cfg::phys_to_mrc_map, populated_mask_to_flag(), print_spd_info(), printk, mem_channel_data::spd, spd_block::spd_array, spd_cache_is_valid(), spd_data, spd_fill_from_cache(), and update_spd_cache().

Referenced by mem_populate_channel_data().

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read_spd_md()

static void read_spd_md ( const struct soc_mem_cfg *  soc_mem_cfg, const struct mem_spd *  info, bool  half_populated, struct mem_channel_data *  channel_data, size_t *  spd_len  )

static

Definition at line 38 of file meminit.c.

References _Static_assert(), BIOS_DEBUG, BIT, ch, mem_channel_data::ch_population_flags, CONFIG, die(), soc_mem_cfg::half_channel, info, soc_mem_cfg::md_phy_masks, MEM_TOPO_MEMORY_DOWN, MEM_TOPO_MIXED, soc_mem_cfg::mixed_topo, soc_mem_cfg::num_phys_channels, soc_mem_cfg::phys_to_mrc_map, populated_mask_to_flag(), print_spd_info(), printk, mem_channel_data::spd, spd_cbfs_map(), and spd_data.

Referenced by mem_populate_channel_data().

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