1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2016-2017 Rockchip Electronics Co., Ltd
6 #ifndef _ASM_ARCH_SDRAM_RK3399_H
7 #define _ASM_ARCH_SDRAM_RK3399_H
9 struct rk3399_ddr_pctl_regs {
13 struct rk3399_ddr_publ_regs {
17 struct rk3399_ddr_pi_regs {
21 union noc_ddrtimingc0 {
24 unsigned burstpenalty : 4;
25 unsigned reserved0 : 4;
27 unsigned reserved1 : 18;
34 unsigned autoprecharge : 1;
35 unsigned bypassfiltering : 1;
37 unsigned burstsize : 2;
39 unsigned reserved2 : 1;
40 unsigned forceorder : 8;
41 unsigned forceorderstate : 8;
42 unsigned reserved3 : 8;
46 struct rk3399_msch_regs {
55 u32 reserved0[(0x110 - 0x20) / 4];
57 u32 reserved1[(0x1000 - 0x114) / 4];
61 struct rk3399_msch_timings {
64 union noc_ddrtimingc0 ddrtimingc0;
66 union noc_ddrmode ddrmode;
70 struct rk3399_ddr_cic_regs {
86 #define PWRUP_SREFRESH_EXIT (1 << 16)
89 #define MEM_RST_VALID 1
91 struct rk3399_sdram_channel {
92 struct sdram_cap_info cap_info;
93 struct rk3399_msch_timings noc_timings;
96 struct rk3399_sdram_params {
97 struct rk3399_sdram_channel ch[2];
98 struct sdram_base_params base;
99 struct rk3399_ddr_pctl_regs pctl_regs;
100 struct rk3399_ddr_pi_regs pi_regs;
101 struct rk3399_ddr_publ_regs phy_regs;
104 #define PI_CA_TRAINING (1 << 0)
105 #define PI_WRITE_LEVELING (1 << 1)
106 #define PI_READ_GATE_TRAINING (1 << 2)
107 #define PI_READ_LEVELING (1 << 3)
108 #define PI_WDQ_LEVELING (1 << 4)
109 #define PI_FULL_TRAINING 0xff