dramc_param.h

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef __SOC_MEDIATEK_MT8186_DRAMC_PARAM_H__
#define __SOC_MEDIATEK_MT8186_DRAMC_PARAM_H__
 
/*
 * NOTE: This file is shared between coreboot and dram blob. Any change in this
 * file should be synced to the other repository.
 */
 
#include <stdint.h>
#include <sys/types.h>
#include <soc/dramc_param_common.h>
#include <soc/dramc_soc.h>
 
#define DRAMC_PARAM_HEADER_VERSION 1
 
struct sdram_params {
        /* Sometimes, we may need to compare params member
         * between coreboot and blob for analysis. Here,
         * add member size using xxxB.
         */
        /* 4 + 4 = 8B */
        u32 rank_num;
        u16 num_dlycell_perT;
        u16 delay_cell_timex100;
 
        /* duty 16B */
        s8 duty_clk_delay[CHANNEL_MAX][RANK_MAX];
        s8 duty_dqs_delay[CHANNEL_MAX][DQS_NUMBER_LP4];
        s8 duty_dq_delay[CHANNEL_MAX][DQS_NUMBER_LP4];
        s8 duty_dqm_delay[CHANNEL_MAX][DQS_NUMBER_LP4];
 
        /* CBT 48B */
        u8 cbt_final_vref[CHANNEL_MAX][RANK_MAX];
        u8 cbt_clk_dly[CHANNEL_MAX][RANK_MAX];
        u8 cbt_cmd_dly[CHANNEL_MAX][RANK_MAX];
        u8 cbt_cs_dly[CHANNEL_MAX][RANK_MAX];
        u8 cbt_ca_prebit_dly[CHANNEL_MAX][RANK_MAX][DQS_BIT_NUMBER];
 
        /* write leveling 8B */
        u8 wr_level[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
 
        /* Gating 32B */
        u8 gating_MCK[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
        u8 gating_UI[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
        u8 gating_PI[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
        u8 gating_pass_count[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
 
        /* TX perbit 164B */
        u8 tx_window_vref[CHANNEL_MAX][RANK_MAX];
        u16 tx_center_min[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
        u16 tx_center_max[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
        u16 tx_win_center[CHANNEL_MAX][RANK_MAX][DQ_DATA_WIDTH_LP4];
 
        /* rx datlat 4B */
        u8 rx_datlat[CHANNEL_MAX][RANK_MAX];
 
        /* RX perbit 88B */
        u8 rx_best_vref[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
        u8 rx_perbit_dqs[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
        u8 rx_perbit_dqm[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
        u8 rx_perbit_dq[CHANNEL_MAX][RANK_MAX][DQ_DATA_WIDTH_LP4];
 
        /* TX OE 16B */
        u8 tx_oe_dq_mck[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
        u8 tx_oe_dq_ui[CHANNEL_MAX][RANK_MAX][DQS_NUMBER_LP4];
};
 
struct dramc_data {
        struct ddr_base_info ddr_info;
        struct sdram_params freq_params[DRAM_DFS_SHU_MAX];
};
 
struct dramc_param {
        struct dramc_param_header header;
        void (*do_putc)(unsigned char c);
        struct dramc_data dramc_datas;
};
 
const struct sdram_info *get_sdram_config(void);
struct dramc_param *get_dramc_param_from_blob(void *blob);
void dump_param_header(const void *blob);
int initialize_dramc_param(void *blob);
 
#endif  /* __SOC_MEDIATEK_MT8186_DRAMC_PARAM_H__ */