memory.c File Reference

#include <assert.h>
#include <baseboard/variants.h>

Include dependency graph for memory.c:

Go to the source code of this file.

Macros
#define	SAMSUNG_C_DIE_2G   10
#define	SAMSUNG_C_DIE_4G   11

Functions
void	variant_memory_params (struct memory_params *p)

Variables
static const u8	dq_map [][12]
static const u8	dqs_map [][8]
static const u16	rcomp_resistor [] = { 200, 81, 162 }
static const u16	rcomp_target [] = { 100, 40, 40, 23, 40 }
static const u16	rcomp_target_samsung_c_die [] = { 100, 40, 35, 18, 40 }

Macro Definition Documentation

SAMSUNG_C_DIE_2G

#define SAMSUNG_C_DIE_2G   10

Definition at line 6 of file memory.c.

SAMSUNG_C_DIE_4G

#define SAMSUNG_C_DIE_4G   11

Definition at line 7 of file memory.c.

Function Documentation

variant_memory_params()

void variant_memory_params

(

struct memory_params *

p

)

Definition at line 29 of file memory.c.

References assert, dq_map, memory_params::dq_map, memory_params::dq_map_size, dqs_map, memory_params::dqs_map, memory_params::dqs_map_size, MEMORY_LPDDR3, rcomp_resistor, memory_params::rcomp_resistor, memory_params::rcomp_resistor_size, rcomp_target, memory_params::rcomp_target, rcomp_target_samsung_c_die, memory_params::rcomp_target_size, SAMSUNG_C_DIE_2G, SAMSUNG_C_DIE_4G, spd_index, memory_params::type, and variant_memory_sku().

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Variable Documentation

dq_map

const u8 dq_map[][12]

static

Initial value:

= {
        { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0,
          0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 },
        { 0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC,
          0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00 }
}

Definition at line 9 of file memory.c.

Referenced by mainboard_fill_dq_map_ch0(), mainboard_fill_dq_map_ch1(), mainboard_fill_dq_map_data(), mainboard_fill_pei_data(), mainboard_memory_init_params(), variant_memory_init_params(), and variant_memory_params().

dqs_map

const u8 dqs_map[][8]

static

Initial value:

= {
        { 0, 1, 3, 2, 4, 5, 6, 7 },
        { 3, 2, 6, 7, 0, 1, 4, 5 },
}

Definition at line 17 of file memory.c.

Referenced by mainboard_fill_dqs_map_data(), mainboard_fill_pei_data(), mainboard_memory_init_params(), variant_memory_init_params(), and variant_memory_params().

rcomp_resistor

const u16 rcomp_resistor[] = { 200, 81, 162 }

static

Definition at line 23 of file memory.c.

Referenced by mainboard_memory_init_params(), and variant_memory_params().

rcomp_target

const u16 rcomp_target[] = { 100, 40, 40, 23, 40 }

static

Definition at line 26 of file memory.c.

Referenced by mainboard_memory_init_params(), and variant_memory_params().

rcomp_target_samsung_c_die

const u16 rcomp_target_samsung_c_die[] = { 100, 40, 35, 18, 40 }

static

Definition at line 27 of file memory.c.

Referenced by variant_memory_params().