romstage.c File Reference

#include <string.h>
#include <baseboard/variants.h>
#include <soc/meminit.h>
#include <soc/romstage.h>

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Macros
#define	BOARD_ID_GLK_RVP1_DDR4   0x5 /* GLK RVP1 - DDR4 */
#define	BOARD_ID_GLK_RVP2_LP4SD   0x7 /* GLK RVP2 - LP4 Solder Down */
#define	BOARD_ID_GLK_RVP2_LP4   0x8 /* RVP2 - LP4 Socket */

Functions
static void	fill_lpddr4_params (FSP_M_CONFIG *cfg)
static void	fill_ddr4_params (FSP_M_CONFIG *cfg)
static void	fill_memory_params (FSP_M_CONFIG *cfg)
void	mainboard_memory_init_params (FSPM_UPD *memupd)
void	mainboard_save_dimm_info (void)

Variables
static const uint8_t	swizzling_ch0_ddr4 []
static const uint8_t	swizzling_ch1_ddr4 []
static const uint8_t	swizzling_ch2_ddr4 []
static const uint8_t	swizzling_ch3_ddr4 []
static const uint8_t	swizzling_ch0_lpddr4 []
static const uint8_t	swizzling_ch1_lpddr4 []
static const uint8_t	swizzling_ch2_lpddr4 []
static const uint8_t	swizzling_ch3_lpddr4 []

Macro Definition Documentation

BOARD_ID_GLK_RVP1_DDR4

#define BOARD_ID_GLK_RVP1_DDR4   0x5 /* GLK RVP1 - DDR4 */

Definition at line 7 of file romstage.c.

BOARD_ID_GLK_RVP2_LP4

#define BOARD_ID_GLK_RVP2_LP4   0x8 /* RVP2 - LP4 Socket */

Definition at line 9 of file romstage.c.

BOARD_ID_GLK_RVP2_LP4SD

#define BOARD_ID_GLK_RVP2_LP4SD   0x7 /* GLK RVP2 - LP4 Solder Down */

Definition at line 8 of file romstage.c.

Function Documentation

fill_ddr4_params()

static void fill_ddr4_params ( FSP_M_CONFIG *  cfg )

static

Definition at line 130 of file romstage.c.

References memcpy(), swizzling_ch0_ddr4, swizzling_ch1_ddr4, swizzling_ch2_ddr4, and swizzling_ch3_ddr4.

Referenced by fill_memory_params().

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fill_lpddr4_params()

static void fill_lpddr4_params ( FSP_M_CONFIG *  cfg )

static

Definition at line 65 of file romstage.c.

References memcpy(), swizzling_ch0_lpddr4, swizzling_ch1_lpddr4, swizzling_ch2_lpddr4, and swizzling_ch3_lpddr4.

Referenced by fill_memory_params().

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fill_memory_params()

static void fill_memory_params ( FSP_M_CONFIG *  cfg )

static

Definition at line 196 of file romstage.c.

References BOARD_ID_GLK_RVP1_DDR4, BOARD_ID_GLK_RVP2_LP4, BOARD_ID_GLK_RVP2_LP4SD, CONFIG, fill_ddr4_params(), and fill_lpddr4_params().

Referenced by mainboard_memory_init_params().

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mainboard_memory_init_params()

void mainboard_memory_init_params

(

FSPM_UPD *

memupd

)

Definition at line 216 of file romstage.c.

References fill_memory_params(), and FSP_M_CONFIG.

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mainboard_save_dimm_info()

void mainboard_save_dimm_info

(

void

)

Definition at line 222 of file romstage.c.

References save_lpddr4_dimm_info(), variant_lpddr4_config(), and variant_memory_sku().

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Variable Documentation

swizzling_ch0_ddr4

const uint8_t swizzling_ch0_ddr4[]

static

Initial value:

= {
        15, 14, 10, 11,  8,  9, 13, 12,  2,  7,  3,  6,  4,  0,  1,  5,
        29, 31, 27, 26, 24, 28, 25, 30, 19, 22, 18, 21, 23, 16, 17, 20,
}

Definition at line 14 of file romstage.c.

Referenced by fill_ddr4_params().

swizzling_ch0_lpddr4

const uint8_t swizzling_ch0_lpddr4[]

static

Initial value:

= {
        10, 8, 12, 11,  9,  13, 14, 15,  1,  3,  2,  0,  5,  4,  6,  7,
        30, 26, 24, 25, 28, 29, 31, 27, 20, 21, 22, 16, 23, 17, 18, 19,
}

Definition at line 41 of file romstage.c.

Referenced by fill_lpddr4_params().

swizzling_ch1_ddr4

const uint8_t swizzling_ch1_ddr4[]

static

Initial value:

= {
         1,  0,  4,  5,  7,  2,  6,  3, 24, 25, 28, 30, 26, 27, 31, 29,
        21, 20, 17, 16, 23, 22, 19, 18,  8, 12, 11, 15, 10,  9, 13, 14,
}

Definition at line 20 of file romstage.c.

Referenced by fill_ddr4_params().

swizzling_ch1_lpddr4

const uint8_t swizzling_ch1_lpddr4[]

static

Initial value:

= {
        0, 6,  7, 5, 3, 2, 1,  4,  12,  15,  13,  8,  9,  10,  11,  14,
        17, 18, 19, 16, 23, 20, 21, 22, 30, 31, 25, 27, 26, 29, 28, 24,
}

Definition at line 47 of file romstage.c.

Referenced by fill_lpddr4_params().

swizzling_ch2_ddr4

const uint8_t swizzling_ch2_ddr4[]

static

Initial value:

= {
        14, 12,  9, 13, 10, 15, 11,  8,  1,  3,  7,  5,  2,  6,  0,  4,
        27, 24, 29, 28, 30, 26, 31, 25, 19, 20, 18, 22, 16, 21, 23, 17,
}

Definition at line 26 of file romstage.c.

Referenced by fill_ddr4_params().

swizzling_ch2_lpddr4

const uint8_t swizzling_ch2_lpddr4[]

static

Initial value:

= {
        15, 8,  11, 10, 14, 12, 13,  9,  5,  1,  0,  6,  2,  3,  7,  4,
        31, 25, 24, 27, 30, 29, 28, 26, 21, 18, 20, 23, 16, 17, 22, 19,
}

Definition at line 53 of file romstage.c.

Referenced by fill_lpddr4_params().

swizzling_ch3_ddr4

const uint8_t swizzling_ch3_ddr4[]

static

Initial value:

= {
        12,  8, 13,  9, 15, 11, 14, 10,  0,  5,  1,  4,  7,  2,  6,  3,
        20, 16, 21, 17, 19, 18, 22, 23, 29, 24, 28, 26, 25, 30, 31, 27
}

Definition at line 32 of file romstage.c.

Referenced by fill_ddr4_params().

swizzling_ch3_lpddr4

const uint8_t swizzling_ch3_lpddr4[]

static

Initial value:

= {
        15,  9, 8,  10, 13, 14, 12, 11,  7,  6,  5,  0,  4,  2,  1,  3,
        20, 21, 23, 22, 19, 17, 18, 16, 24, 27, 26, 30, 25, 31, 28, 29
}

Definition at line 59 of file romstage.c.

Referenced by fill_lpddr4_params().