dmi.c File Reference

#include <fsp/util.h>
#include <memory_info.h>
#include <console/console.h>
#include <cbmem.h>
#include <string.h>
#include <ec/google/chromeec/ec.h>
#include <bootstate.h>
#include <lib.h>
#include <dimm_info_util.h>
#include <dmi_info.h>
#include <device/dram/ddr4.h>
#include <device/dram/lpddr4.h>

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Functions
static uint16_t	ddr_speed_mhz_to_reported_mts (uint16_t ddr_type, uint16_t speed)
	This code was adapted from src/soc/amd/common/block/pi/amd_late_init.c. More...
static void	transfer_memory_info (const TYPE17_DMI_INFO *dmi17, struct dimm_info *dimm)
	Populate dimm_info using AGESA TYPE17_DMI_INFO. More...
static void	print_dimm_info (const struct dimm_info *dimm)
static void	print_dmi_info (const TYPE17_DMI_INFO *dmi17)
static void	prepare_dmi_17 (void *unused)
	Marshalls dimm info from AMD_FSP_DMI_HOB into CBMEM_ID_MEMINFO. More...
	BOOT_STATE_INIT_ENTRY (BS_WRITE_TABLES, BS_ON_ENTRY, prepare_dmi_17, NULL)

Function Documentation

BOOT_STATE_INIT_ENTRY()

BOOT_STATE_INIT_ENTRY	(	BS_WRITE_TABLES	,
		BS_ON_ENTRY	,
		prepare_dmi_17	,
		NULL
	)

ddr_speed_mhz_to_reported_mts()

static uint16_t ddr_speed_mhz_to_reported_mts ( uint16_t  ddr_type, uint16_t  speed  )

static

This code was adapted from src/soc/amd/common/block/pi/amd_late_init.c.

Convert DDR clock speed (based on memory type) in MHz to the standard reported speed in MT/s

Definition at line 23 of file dmi.c.

References BIOS_ERR, ddr4_speed_mhz_to_reported_mts(), lpddr4_speed_mhz_to_reported_mts(), MEMORY_TYPE_DDR4, MEMORY_TYPE_LPDDR4, and printk.

Referenced by transfer_memory_info().

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prepare_dmi_17()

static void prepare_dmi_17 ( void *  unused )

static

Marshalls dimm info from AMD_FSP_DMI_HOB into CBMEM_ID_MEMINFO.

Definition at line 147 of file dmi.c.

References BIOS_DEBUG, BIOS_ERR, cbmem_add(), CBMEM_ID_MEMINFO, dimm_info::channel_num, CONFIG, memory_info::dimm, memory_info::dimm_cnt, DIMM_INFO_PART_NUMBER_SIZE, dimm_info::dimm_num, fsp_find_extension_hob_by_guid(), google_chromeec_cbi_get_dram_part_num(), memset(), dimm_info::module_part_number, NULL, print_dimm_info(), print_dmi_info(), printk, strncpy(), and transfer_memory_info().

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print_dimm_info()

static void print_dimm_info ( const struct dimm_info *  dimm )

static

Definition at line 70 of file dmi.c.

References dimm_info::bank_locator, BIOS_DEBUG, dimm_info::bus_width, dimm_info::channel_num, dimm_info::ddr_frequency, dimm_info::ddr_type, dimm_info::dimm_num, dimm_info::dimm_size, dimm_info::mod_id, dimm_info::mod_type, dimm_info::module_part_number, printk, dimm_info::rank_per_dimm, dimm_info::serial, and strlen().

Referenced by prepare_dmi_17().

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print_dmi_info()

static void print_dmi_info ( const TYPE17_DMI_INFO *  dmi17 )

static

Definition at line 104 of file dmi.c.

References BIOS_DEBUG, printk, and strlen().

Referenced by prepare_dmi_17().

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transfer_memory_info()

static void transfer_memory_info ( const TYPE17_DMI_INFO *  dmi17, struct dimm_info *  dimm  )

static

Populate dimm_info using AGESA TYPE17_DMI_INFO.

Definition at line 39 of file dmi.c.

References dimm_info::bank_locator, dimm_info::bus_width, dimm_info::configured_speed_mts, ddr_speed_mhz_to_reported_mts(), dimm_info::ddr_type, dimm_info::dimm_size, hexstrtobin(), dimm_info::max_speed_mts, dimm_info::mod_id, dimm_info::mod_type, dimm_info::module_part_number, dimm_info::rank_per_dimm, dimm_info::serial, smbios_bus_width_to_spd_width(), smbios_form_factor_to_spd_mod_type(), smbios_memory_size_to_mib(), and strncpy().

Referenced by prepare_dmi_17().

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