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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2016-2017 Rockchip Electronics Co., Ltd
*/
#ifndef _ASM_ARCH_SDRAM_RK3399_H
#define _ASM_ARCH_SDRAM_RK3399_H
enum {
DDR3 = 0x3,
LPDDR2 = 0x5,
LPDDR3 = 0x6,
LPDDR4 = 0x7,
UNUSED = 0xFF
};
struct rk3399_ddr_pctl_regs {
u32 denali_ctl[332];
};
struct rk3399_ddr_publ_regs {
u32 denali_phy[959];
};
struct rk3399_ddr_pi_regs {
u32 denali_pi[200];
};
struct rk3399_msch_regs {
u32 coreid;
u32 revisionid;
u32 ddrconf;
u32 ddrsize;
u32 ddrtiminga0;
u32 ddrtimingb0;
u32 ddrtimingc0;
u32 devtodev0;
u32 reserved0[(0x110 - 0x20) / 4];
u32 ddrmode;
u32 reserved1[(0x1000 - 0x114) / 4];
u32 agingx0;
};
struct rk3399_msch_timings {
u32 ddrtiminga0;
u32 ddrtimingb0;
u32 ddrtimingc0;
u32 devtodev0;
u32 ddrmode;
u32 agingx0;
};
struct rk3399_ddr_cic_regs {
u32 cic_ctrl0;
u32 cic_ctrl1;
u32 cic_idle_th;
u32 cic_cg_wait_th;
u32 cic_status0;
u32 cic_status1;
u32 cic_ctrl2;
u32 cic_ctrl3;
u32 cic_ctrl4;
};
/* DENALI_CTL_00 */
#define START 1
/* DENALI_CTL_68 */
#define PWRUP_SREFRESH_EXIT (1 << 16)
/* DENALI_CTL_274 */
#define MEM_RST_VALID 1
struct rk3399_sdram_channel {
unsigned int rank;
/* dram column number, 0 means this channel is invalid */
unsigned int col;
/* dram bank number, 3:8bank, 2:4bank */
unsigned int bk;
/* channel buswidth, 2:32bit, 1:16bit, 0:8bit */
unsigned int bw;
/* die buswidth, 2:32bit, 1:16bit, 0:8bit */
unsigned int dbw;
/*
* row_3_4 = 1: 6Gb or 12Gb die
* row_3_4 = 0: normal die, power of 2
*/
unsigned int row_3_4;
unsigned int cs0_row;
unsigned int cs1_row;
unsigned int ddrconfig;
struct rk3399_msch_timings noc_timings;
};
struct rk3399_base_params {
unsigned int ddr_freq;
unsigned int dramtype;
unsigned int num_channels;
unsigned int stride;
unsigned int odt;
};
struct rk3399_sdram_params {
struct rk3399_sdram_channel ch[2];
struct rk3399_base_params base;
#if 0 // TODO: revert, once completely split
struct rk3399_ddr_pctl_regs pctl_regs;
struct rk3399_ddr_pi_regs pi_regs;
struct rk3399_ddr_publ_regs phy_regs;
#endif
};
#define PI_CA_TRAINING (1 << 0)
#define PI_WRITE_LEVELING (1 << 1)
#define PI_READ_GATE_TRAINING (1 << 2)
#define PI_READ_LEVELING (1 << 3)
#define PI_WDQ_LEVELING (1 << 4)
#define PI_FULL_TRAINING 0xff
#endif
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