spd_bin.h File Reference

#include <stdint.h>
#include <commonlib/region.h>

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Data Structures
struct	spd_block

Macros
#define	SPD_PAGE_LEN   256
#define	SPD_PAGE_LEN_DDR4   512
#define	SPD_PAGE_0   (0x6C >> 1)
#define	SPD_PAGE_1   (0x6E >> 1)
#define	SPD_DRAM_TYPE   2
#define	SPD_DRAM_DDR3   0x0B
#define	SPD_DRAM_LPDDR3_INTEL   0xF1
#define	SPD_DRAM_LPDDR3_JEDEC   0x0F
#define	SPD_DRAM_DDR4   0x0C
#define	SPD_DRAM_LPDDR4   0x10
#define	SPD_DRAM_LPDDR4X   0x11
#define	SPD_DRAM_DDR5   0x12
#define	SPD_DRAM_LPDDR5   0x13
#define	SPD_DENSITY_BANKS   4
#define	SPD_ADDRESSING   5
#define	SPD_SN_LEN   4
#define	DDR3_ORGANIZATION   7
#define	DDR3_BUS_DEV_WIDTH   8
#define	DDR4_ORGANIZATION   12
#define	DDR4_BUS_DEV_WIDTH   13
#define	DDR3_SPD_PART_OFF   128
#define	DDR3_SPD_PART_LEN   18
#define	DDR3_SPD_SN_OFF   122
#define	LPDDR3_SPD_PART_OFF   128
#define	LPDDR3_SPD_PART_LEN   18
#define	DDR4_SPD_PART_OFF   329
#define	DDR4_SPD_PART_LEN   20
#define	DDR4_SPD_SN_OFF   325

Functions
void	print_spd_info (uint8_t spd[])
uintptr_t	spd_cbfs_map (u8 spd_index)
void	dump_spd_info (struct spd_block *blk)
void	get_spd_smbus (struct spd_block *blk)
enum cb_err	get_spd_sn (u8 addr, u32 *sn)
int	read_ddr3_spd_from_cbfs (u8 *buf, int idx)

Macro Definition Documentation

DDR3_BUS_DEV_WIDTH

#define DDR3_BUS_DEV_WIDTH   8

Definition at line 26 of file spd_bin.h.

DDR3_ORGANIZATION

#define DDR3_ORGANIZATION   7

Definition at line 25 of file spd_bin.h.

DDR3_SPD_PART_LEN

#define DDR3_SPD_PART_LEN   18

Definition at line 30 of file spd_bin.h.

DDR3_SPD_PART_OFF

#define DDR3_SPD_PART_OFF   128

Definition at line 29 of file spd_bin.h.

DDR3_SPD_SN_OFF

#define DDR3_SPD_SN_OFF   122

Definition at line 31 of file spd_bin.h.

DDR4_BUS_DEV_WIDTH

#define DDR4_BUS_DEV_WIDTH   13

Definition at line 28 of file spd_bin.h.

DDR4_ORGANIZATION

#define DDR4_ORGANIZATION   12

Definition at line 27 of file spd_bin.h.

DDR4_SPD_PART_LEN

#define DDR4_SPD_PART_LEN   20

Definition at line 35 of file spd_bin.h.

DDR4_SPD_PART_OFF

#define DDR4_SPD_PART_OFF   329

Definition at line 34 of file spd_bin.h.

DDR4_SPD_SN_OFF

#define DDR4_SPD_SN_OFF   325

Definition at line 36 of file spd_bin.h.

LPDDR3_SPD_PART_LEN

#define LPDDR3_SPD_PART_LEN   18

Definition at line 33 of file spd_bin.h.

LPDDR3_SPD_PART_OFF

#define LPDDR3_SPD_PART_OFF   128

Definition at line 32 of file spd_bin.h.

SPD_ADDRESSING

#define SPD_ADDRESSING   5

Definition at line 23 of file spd_bin.h.

SPD_DENSITY_BANKS

#define SPD_DENSITY_BANKS   4

Definition at line 22 of file spd_bin.h.

SPD_DRAM_DDR3

#define SPD_DRAM_DDR3   0x0B

Definition at line 14 of file spd_bin.h.

SPD_DRAM_DDR4

#define SPD_DRAM_DDR4   0x0C

Definition at line 17 of file spd_bin.h.

SPD_DRAM_DDR5

#define SPD_DRAM_DDR5   0x12

Definition at line 20 of file spd_bin.h.

SPD_DRAM_LPDDR3_INTEL

#define SPD_DRAM_LPDDR3_INTEL   0xF1

Definition at line 15 of file spd_bin.h.

SPD_DRAM_LPDDR3_JEDEC

#define SPD_DRAM_LPDDR3_JEDEC   0x0F

Definition at line 16 of file spd_bin.h.

SPD_DRAM_LPDDR4

#define SPD_DRAM_LPDDR4   0x10

Definition at line 18 of file spd_bin.h.

SPD_DRAM_LPDDR4X

#define SPD_DRAM_LPDDR4X   0x11

Definition at line 19 of file spd_bin.h.

SPD_DRAM_LPDDR5

#define SPD_DRAM_LPDDR5   0x13

Definition at line 21 of file spd_bin.h.

SPD_DRAM_TYPE

#define SPD_DRAM_TYPE   2

Definition at line 13 of file spd_bin.h.

SPD_PAGE_0

#define SPD_PAGE_0   (0x6C >> 1)

Definition at line 11 of file spd_bin.h.

SPD_PAGE_1

#define SPD_PAGE_1   (0x6E >> 1)

Definition at line 12 of file spd_bin.h.

SPD_PAGE_LEN

#define SPD_PAGE_LEN   256

Definition at line 9 of file spd_bin.h.

SPD_PAGE_LEN_DDR4

#define SPD_PAGE_LEN_DDR4   512

Definition at line 10 of file spd_bin.h.

SPD_SN_LEN

#define SPD_SN_LEN   4

Definition at line 24 of file spd_bin.h.

Function Documentation

dump_spd_info()

void dump_spd_info

(

struct spd_block *

blk

)

Definition at line 10 of file spd_bin.c.

References spd_block::addr_map, BIOS_DEBUG, NULL, print_spd_info(), printk, and spd_block::spd_array.

Referenced by mainboard_memory_init_params(), and variant_configure_fspm().

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get_spd_smbus()

void get_spd_smbus

(

struct spd_block *

blk

)

Definition at line 72 of file smbuslib.c.

References spd_block::addr_map, get_spd(), NULL, spd_block::spd_array, spd_data, and update_spd_len().

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

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get_spd_sn()

enum cb_err get_spd_sn	(	u8	addr,
		u32 *	sn
	)

Definition at line 72 of file smbuslib.c.

Referenced by check_if_dimm_changed().

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print_spd_info()

void print_spd_info

(

uint8_t

spd[]

)

Definition at line 183 of file spd_bin.c.

References BIOS_INFO, NULL, printk, SPD_DRAM_TYPE, spd_get_banks(), spd_get_busw(), spd_get_capmb(), spd_get_cols(), spd_get_devw(), spd_get_module_type_string(), spd_get_name(), spd_get_ranks(), spd_get_rows(), and type.

Referenced by dump_spd_info(), memcfg_init(), meminit_cbfs_spd_index(), read_spd_dimm(), and read_spd_md().

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read_ddr3_spd_from_cbfs()

int read_ddr3_spd_from_cbfs	(	u8 *	buf,
		int	idx
	)

Referenced by agesa_ReadSpd_from_cbfs(), and board_ReadSpd_from_cbfs().

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spd_cbfs_map()

uintptr_t spd_cbfs_map

(

u8

spd_index

)

Definition at line 217 of file spd_bin.c.

References cbfs_type_map(), CBFS_TYPE_SPD, and spd_index.

Referenced by mainboard_memory_init_params(), meminit_cbfs_spd_index(), read_spd_md(), spd_read_from_cbfs(), and variant_mainboard_read_spd().

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