romstage.c File Reference

#include <assert.h>
#include <baseboard/variants.h>
#include <cbfs.h>
#include <console/console.h>
#include <soc/gpio.h>
#include <soc/romstage.h>
#include <string.h>
#include <variant/gpio.h>
#include <fsp/soc_binding.h>

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Data Structures
struct	dram_info

Macros
#define	SPD_DRAM_TYPE_OFF   2
#define	SPD_DRAM_LPDDR3   0xf1
#define	SPD_DRAM_DDR4   0x0c
#define	SPD_LEN_LPDDR3   256
#define	SPD_LEN_DDR4   512
#define	SPD_DENSITY_BANKS_OFF   4
#define	SPD_ADDRESSING_OFF   5
#define	SPD_PART_LEN   18
#define	SPD_ORG_OFF_LPDDR3   7
#define	SPD_BUSW_OFF_LPDDR3   8
#define	SPD_PART_OFF_LPDDR3   128
#define	SPD_ORG_OFF_DDR4   12
#define	SPD_BUSW_OFF_DDR4   13
#define	SPD_PART_OFF_DDR4   329
#define	SPD_INFO(_type)

Functions
static void	mainboard_print_spd_info (const uint8_t *spd, enum memory_type type)
static uintptr_t	mainboard_get_spd_data (enum memory_type type, bool use_sec_spd)
void	mainboard_memory_init_params (FSPM_UPD *mupd)

Variables
static const struct dram_info	spd_info [MEMORY_COUNT]

Macro Definition Documentation

SPD_ADDRESSING_OFF

#define SPD_ADDRESSING_OFF   5

Definition at line 25 of file romstage.c.

SPD_BUSW_OFF_DDR4

#define SPD_BUSW_OFF_DDR4   13

Definition at line 34 of file romstage.c.

SPD_BUSW_OFF_LPDDR3

#define SPD_BUSW_OFF_LPDDR3   8

Definition at line 30 of file romstage.c.

SPD_DENSITY_BANKS_OFF

#define SPD_DENSITY_BANKS_OFF   4

Definition at line 24 of file romstage.c.

SPD_DRAM_DDR4

#define SPD_DRAM_DDR4   0x0c

Definition at line 17 of file romstage.c.

SPD_DRAM_LPDDR3

#define SPD_DRAM_LPDDR3   0xf1

Definition at line 16 of file romstage.c.

SPD_DRAM_TYPE_OFF

#define SPD_DRAM_TYPE_OFF   2

Definition at line 15 of file romstage.c.

SPD_INFO

#define SPD_INFO

(

_type

)

Value:

        [MEMORY_##_type] = {                            \
                .str = #_type,                          \
                .type_code = SPD_DRAM_##_type,          \
                .len = SPD_LEN_##_type,         \
                .org_off = SPD_ORG_OFF_##_type, \
                .busw_off = SPD_BUSW_OFF_##_type,       \
                .part_off = SPD_PART_OFF_##_type,       \
        }

Definition at line 37 of file romstage.c.

SPD_LEN_DDR4

#define SPD_LEN_DDR4   512

Definition at line 21 of file romstage.c.

SPD_LEN_LPDDR3

#define SPD_LEN_LPDDR3   256

Definition at line 20 of file romstage.c.

SPD_ORG_OFF_DDR4

#define SPD_ORG_OFF_DDR4   12

Definition at line 33 of file romstage.c.

SPD_ORG_OFF_LPDDR3

#define SPD_ORG_OFF_LPDDR3   7

Definition at line 29 of file romstage.c.

SPD_PART_LEN

#define SPD_PART_LEN   18

Definition at line 26 of file romstage.c.

SPD_PART_OFF_DDR4

#define SPD_PART_OFF_DDR4   329

Definition at line 35 of file romstage.c.

SPD_PART_OFF_LPDDR3

#define SPD_PART_OFF_LPDDR3   128

Definition at line 31 of file romstage.c.

Function Documentation

mainboard_get_spd_data()

static uintptr_t mainboard_get_spd_data ( enum memory_type  type, bool  use_sec_spd  )

static

Definition at line 102 of file romstage.c.

References assert, BIOS_INFO, cbfs_map(), die(), mainboard_print_spd_info(), printk, spd_index, type, and variant_memory_sku().

Referenced by mainboard_memory_init_params().

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mainboard_memory_init_params()

void mainboard_memory_init_params

(

FSPM_UPD *

mupd

)

Definition at line 133 of file romstage.c.

References assert, memory_params::dq_map, memory_params::dq_map_size, memory_params::dqs_map, memory_params::dqs_map_size, memory_params::enable_sa_oc_support, FSP_M_CONFIG, gpio_configure_pads(), mainboard_get_spd_data(), memcpy(), MEMORY_COUNT, memset(), memory_params::rcomp_resistor, memory_params::rcomp_resistor_size, memory_params::rcomp_target, memory_params::rcomp_target_size, memory_params::sa_voltage_offset_val, memory_params::single_channel, memory_params::type, memory_params::use_sec_spd, variant_memory_params(), and variant_romstage_gpio_table().

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mainboard_print_spd_info()

static void mainboard_print_spd_info ( const uint8_t *  spd, enum memory_type  type  )

static

Definition at line 59 of file romstage.c.

References assert, BIOS_INFO, info, memcpy(), printk, SPD_ADDRESSING_OFF, SPD_DENSITY_BANKS_OFF, SPD_DRAM_TYPE_OFF, SPD_PART_LEN, and type.

Referenced by mainboard_get_spd_data().

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Variable Documentation

spd_info

const struct dram_info spd_info[MEMORY_COUNT]

static

Initial value:

= {
        SPD_INFO(LPDDR3),
        SPD_INFO(DDR4),
}