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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Google Inc.
* Copyright (C) 2015 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef MAINBOARD_SPD_H
#include <gpio.h>
#include "../gpio.h"
#define MAINBOARD_SPD_H
#define SPD_LEN 256
#define SPD_DRAM_TYPE 2
#define SPD_DRAM_DDR3 0x0b
#define SPD_DRAM_LPDDR3 0xf1
#define SPD_DENSITY_BANKS 4
#define SPD_ADDRESSING 5
#define SPD_ORGANIZATION 7
#define SPD_BUS_DEV_WIDTH 8
#define SPD_PART_OFF 128
#define SPD_PART_LEN 18
#define SPD_MANU_OFF 148
#define HYNIX_SINGLE_CHAN 0x1
#define SAMSUNG_SINGLE_CHAN 0x4
#define MIC_SINGLE_CHAN 0x5
/* PCH_MEM_CFG[3:0] */
#define MAX_MEMORY_CONFIG 0x10
#define RCOMP_TARGET_PARAMS 0x5
#define K4E6E304EE_MEM_ID 0x3
static inline int get_spd_index(void) {
/* PCH_MEM_CFG[3:0] */
gpio_t spd_gpios[] = {
GPIO_MEM_CONFIG_0,
GPIO_MEM_CONFIG_1,
GPIO_MEM_CONFIG_2,
GPIO_MEM_CONFIG_3,
};
return (gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios)));
}
void mainboard_fill_dq_map_data(void *dq_map_ptr);
void mainboard_fill_dqs_map_data(void *dqs_map_ptr);
void mainboard_fill_rcomp_res_data(void *rcomp_ptr);
void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr);
uintptr_t mainboard_get_spd_data(void);
int mainboard_has_dual_channel_mem(void);
#endif
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