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/*
* This file is part of the coreboot project.
*
* Copyright 2019 MediaTek Inc.
*
* 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 SOC_MEDIATEK_MT8183_DRAMC_PARAM_H
#define SOC_MEDIATEK_MT8183_DRAMC_PARAM_H
#include <stdint.h>
#include <sys/types.h>
#include "emi.h"
enum {
DRAMC_PARAM_HEADER_MAGIC = 0x44524d4b,
DRAMC_PARAM_HEADER_VERSION = 1,
};
enum DRAMC_PARAM_STATUS_CODES {
DRAMC_SUCCESS = 0,
DRAMC_ERR_INVALID_MAGIC,
DRAMC_ERR_INVALID_VERSION,
DRAMC_ERR_INVALID_SIZE,
DRAMC_ERR_INVALID_CHECKSUM,
DRAMC_ERR_INVALID_FLAGS,
DRAMC_ERR_RECALIBRATE,
DRAMC_ERR_INIT_DRAM,
DRAMC_ERR_COMPLEX_RW_MEM_TEST,
DRAMC_ERR_1ST_COMPLEX_RW_MEM_TEST,
DRAMC_ERR_2ND_COMPLEX_RW_MEM_TEST,
};
/* Bit flags */
enum DRAMC_PARAM_CONFIG {
DRAMC_CONFIG_EMCP = 0x0001,
};
enum DRAMC_PARAM_FLAGS {
DRAMC_FLAG_HAS_SAVED_DATA = 0x0001,
};
struct dramc_param_header {
u32 status; /* DRAMC_PARAM_STATUS_CODES */
u32 magic;
u32 version;
u32 size; /* size of whole dramc_param */
u16 config; /* DRAMC_PARAM_CONFIG */
u16 flags; /* DRAMC_PARAM_FLAGS */
u32 checksum;
};
struct dramc_param {
struct dramc_param_header header;
struct sdram_params freq_params[DRAM_DFS_SHUFFLE_MAX];
};
struct dramc_param_ops {
struct dramc_param *param;
bool (*read_from_flash)(struct dramc_param *dparam);
bool (*write_to_flash)(const struct dramc_param *dparam);
};
struct dramc_param *get_dramc_param_from_blob(void *blob);
int validate_dramc_param(const void *blob);
int is_valid_dramc_param(const void *blob);
int initialize_dramc_param(void *blob, u16 config);
#endif /* SOC_MEDIATEK_MT8183_DRAMC_PARAM_H */
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