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https://github.com/AsahiLinux/u-boot
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355490dc5c
Group common ddr attributes like - rank - col - bk - bw - dbw - row_3_4 - cs0_row - cs1_row - ddrconfig into a common cap_info structure for more code readability and extend if possible based on the new features. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Kever Yang <Kever.yang@rock-chips.com>
122 lines
2.3 KiB
C
122 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2016-2017 Rockchip Electronics Co., Ltd
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*/
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#ifndef _ASM_ARCH_SDRAM_RK3399_H
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#define _ASM_ARCH_SDRAM_RK3399_H
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enum {
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DDR3 = 0x3,
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LPDDR2 = 0x5,
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LPDDR3 = 0x6,
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LPDDR4 = 0x7,
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UNUSED = 0xFF
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};
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struct rk3399_ddr_pctl_regs {
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u32 denali_ctl[332];
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};
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struct rk3399_ddr_publ_regs {
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u32 denali_phy[959];
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};
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struct rk3399_ddr_pi_regs {
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u32 denali_pi[200];
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};
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struct rk3399_msch_regs {
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u32 coreid;
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u32 revisionid;
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u32 ddrconf;
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u32 ddrsize;
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u32 ddrtiminga0;
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u32 ddrtimingb0;
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u32 ddrtimingc0;
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u32 devtodev0;
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u32 reserved0[(0x110 - 0x20) / 4];
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u32 ddrmode;
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u32 reserved1[(0x1000 - 0x114) / 4];
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u32 agingx0;
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};
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struct rk3399_msch_timings {
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u32 ddrtiminga0;
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u32 ddrtimingb0;
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u32 ddrtimingc0;
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u32 devtodev0;
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u32 ddrmode;
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u32 agingx0;
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};
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struct rk3399_ddr_cic_regs {
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u32 cic_ctrl0;
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u32 cic_ctrl1;
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u32 cic_idle_th;
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u32 cic_cg_wait_th;
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u32 cic_status0;
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u32 cic_status1;
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u32 cic_ctrl2;
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u32 cic_ctrl3;
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u32 cic_ctrl4;
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};
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/* DENALI_CTL_00 */
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#define START 1
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/* DENALI_CTL_68 */
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#define PWRUP_SREFRESH_EXIT (1 << 16)
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/* DENALI_CTL_274 */
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#define MEM_RST_VALID 1
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struct sdram_cap_info {
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unsigned int rank;
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/* dram column number, 0 means this channel is invalid */
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unsigned int col;
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/* dram bank number, 3:8bank, 2:4bank */
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unsigned int bk;
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/* channel buswidth, 2:32bit, 1:16bit, 0:8bit */
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unsigned int bw;
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/* die buswidth, 2:32bit, 1:16bit, 0:8bit */
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unsigned int dbw;
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/*
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* row_3_4 = 1: 6Gb or 12Gb die
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* row_3_4 = 0: normal die, power of 2
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*/
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unsigned int row_3_4;
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unsigned int cs0_row;
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unsigned int cs1_row;
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unsigned int ddrconfig;
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};
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struct rk3399_sdram_channel {
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struct sdram_cap_info cap_info;
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struct rk3399_msch_timings noc_timings;
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};
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struct rk3399_base_params {
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unsigned int ddr_freq;
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unsigned int dramtype;
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unsigned int num_channels;
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unsigned int stride;
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unsigned int odt;
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};
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struct rk3399_sdram_params {
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struct rk3399_sdram_channel ch[2];
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struct rk3399_base_params base;
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struct rk3399_ddr_pctl_regs pctl_regs;
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struct rk3399_ddr_pi_regs pi_regs;
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struct rk3399_ddr_publ_regs phy_regs;
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};
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#define PI_CA_TRAINING (1 << 0)
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#define PI_WRITE_LEVELING (1 << 1)
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#define PI_READ_GATE_TRAINING (1 << 2)
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#define PI_READ_LEVELING (1 << 3)
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#define PI_WDQ_LEVELING (1 << 4)
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#define PI_FULL_TRAINING 0xff
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#endif
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