meminit.h File Reference

#include <fsp/api.h>
#include <types.h>

Include dependency graph for meminit.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	mem_spd
struct	soc_mem_cfg
struct	mem_channel_data

Macros
#define	CHANNEL_COUNT(ch_width)   (CONFIG_DATA_BUS_WIDTH / (ch_width))
#define	MRC_CHANNELS   CHANNEL_COUNT(CONFIG_MRC_CHANNEL_WIDTH)

Enumerations
enum	mem_topology { MEM_TOPO_MEMORY_DOWN = BIT(0) , MEM_TOPO_DIMM_MODULE = BIT(1) , MEM_TOPO_MIXED = MEM_TOPO_MEMORY_DOWN | MEM_TOPO_DIMM_MODULE }
enum	channel_population { NO_CHANNEL_POPULATED = 0 , TOP_HALF_POPULATED = BIT(0) , BOTTOM_HALF_POPULATED = BIT(1) , FULLY_POPULATED = TOP_HALF_POPULATED | BOTTOM_HALF_POPULATED }

Functions
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)
static bool	channel_is_populated (size_t curr_ch, size_t max_ch, enum channel_population flags)

Macro Definition Documentation

CHANNEL_COUNT

#define CHANNEL_COUNT

(

ch_width

)

(CONFIG_DATA_BUS_WIDTH / (ch_width))

Definition at line 13 of file meminit.h.

MRC_CHANNELS

#define MRC_CHANNELS   CHANNEL_COUNT(CONFIG_MRC_CHANNEL_WIDTH)

Definition at line 21 of file meminit.h.

Enumeration Type Documentation

channel_population

enum channel_population

Enumerator
NO_CHANNEL_POPULATED
TOP_HALF_POPULATED
BOTTOM_HALF_POPULATED
FULLY_POPULATED

Definition at line 111 of file meminit.h.

mem_topology

enum mem_topology

Enumerator
MEM_TOPO_MEMORY_DOWN
MEM_TOPO_DIMM_MODULE
MEM_TOPO_MIXED

Definition at line 24 of file meminit.h.

Function Documentation

channel_is_populated()

static bool channel_is_populated ( size_t  curr_ch, size_t  max_ch, enum channel_population  flags  )

inlinestatic

Definition at line 150 of file meminit.h.

Referenced by mem_init_dq_dqs_upds().

Here is the caller graph for this function:

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().

Here is the call graph for this function:

Here is the caller graph for this function: