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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#ifndef __SOC_ROCKCHIP_RK3399_SDRAM_H__
#define __SOC_ROCKCHIP_RK3399_SDRAM_H__
#include <types.h>
enum {
DDR3 = 3,
LPDDR2 = 5,
LPDDR3 = 6,
LPDDR4 = 7,
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];
};
union noc_ddrtiminga0 {
u32 d32;
struct {
unsigned acttoact : 6;
unsigned reserved0 : 2;
unsigned rdtomiss : 6;
unsigned reserved1 : 2;
unsigned wrtomiss : 6;
unsigned reserved2 : 2;
unsigned readlatency : 8;
} b;
};
union noc_ddrtimingb0 {
u32 d32;
struct {
unsigned rdtowr : 5;
unsigned reserved0 : 3;
unsigned wrtord : 5;
unsigned reserved1 : 3;
unsigned rrd : 4;
unsigned reserved2 : 4;
unsigned faw : 6;
unsigned reserved3 : 2;
} b;
};
union noc_ddrtimingc0 {
u32 d32;
struct {
unsigned burstpenalty : 4;
unsigned reserved0 : 4;
unsigned wrtomwr : 6;
unsigned reserved1 : 18;
} b;
};
union noc_devtodev0 {
u32 d32;
struct {
unsigned busrdtord : 3;
unsigned reserved0 : 1;
unsigned busrdtowr : 3;
unsigned reserved1 : 1;
unsigned buswrtord : 3;
unsigned reserved2 : 1;
unsigned buswrtowr : 3;
unsigned reserved3 : 17;
} b;
};
union noc_ddrmode {
u32 d32;
struct {
unsigned autoprecharge : 1;
unsigned bypassfiltering : 1;
unsigned fawbank : 1;
unsigned burstsize : 2;
unsigned mwrsize : 2;
unsigned reserved2 : 1;
unsigned forceorder : 8;
unsigned forceorderstate : 8;
unsigned reserved3 : 8;
} b;
};
struct rk3399_msch_regs {
u32 coreid;
u32 revisionid;
u32 ddrconf;
u32 ddrsize;
union noc_ddrtiminga0 ddrtiminga0;
union noc_ddrtimingb0 ddrtimingb0;
union noc_ddrtimingc0 ddrtimingc0;
union noc_devtodev0 devtodev0;
u32 reserved0[(0x110-0x20)/4];
union noc_ddrmode ddrmode;
u32 reserved1[(0x1000-0x114)/4];
u32 agingx0;
};
struct rk3399_msch_timings {
union noc_ddrtiminga0 ddrtiminga0;
union noc_ddrtimingb0 ddrtimingb0;
union noc_ddrtimingc0 ddrtimingc0;
union noc_devtodev0 devtodev0;
union noc_ddrmode 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 char rank;
/* col = 0, means this channel is invalid */
unsigned char col;
/* 3:8bank, 2:4bank */
unsigned char bk;
/* channel buswidth, 2:32bit, 1:16bit, 0:8bit */
unsigned char bw;
/* die buswidth, 2:32bit, 1:16bit, 0:8bit */
unsigned char dbw;
/* row_3_4 = 1: 6Gb or 12Gb die
* row_3_4 = 0: normal die, power of 2
*/
unsigned char row_3_4;
unsigned char cs0_row;
unsigned char cs1_row;
unsigned int ddrconfig;
struct rk3399_msch_timings noc_timings;
};
struct rk3399_sdram_params {
struct rk3399_sdram_channel ch[2];
unsigned int ddr_freq;
unsigned char dramtype;
unsigned char num_channels;
unsigned char stride;
unsigned char odt;
/* align 8 byte */
struct rk3399_ddr_pctl_regs pctl_regs;
/* align 8 byte */
struct rk3399_ddr_pi_regs pi_regs;
/* align 8 byte */
struct rk3399_ddr_publ_regs phy_regs;
/* used for align 8byte for next struct */
unsigned int align_8;
};
#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)
void sdram_init(const struct rk3399_sdram_params *sdram_params);
u32 sdram_get_ram_code(void);
const struct rk3399_sdram_params *get_sdram_config(void);
size_t sdram_size_mb(void);
#endif
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