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/*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __SOC_ROCKCHIP_RK3399_SDRAM_H__
#define __SOC_ROCKCHIP_RK3399_SDRAM_H__
struct rk3399_ddr_cic_regs {
uint32_t cic_ctrl0;
uint32_t cic_ctrl1;
uint32_t cic_idle_th;
uint32_t cic_cg_wait_th;
uint32_t cic_status0;
uint32_t cic_status1;
uint32_t cic_ctrl2;
uint32_t cic_ctrl3;
uint32_t 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_ddr_pctl_regs {
uint32_t denali_ctl[332];
};
struct rk3399_ddr_publ_regs {
uint32_t denali_phy[959];
};
#define PHY_DRV_ODT_Hi_Z (0x0)
#define PHY_DRV_ODT_240 (0x1)
#define PHY_DRV_ODT_120 (0x8)
#define PHY_DRV_ODT_80 (0x9)
#define PHY_DRV_ODT_60 (0xc)
#define PHY_DRV_ODT_48 (0xd)
#define PHY_DRV_ODT_40 (0xe)
#define PHY_DRV_ODT_34_3 (0xf)
struct rk3399_ddr_pi_regs {
uint32_t denali_pi[200];
};
union noc_ddrtiminga0 {
uint32_t 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 {
uint32_t 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 {
uint32_t d32;
struct {
unsigned burstpenalty : 4;
unsigned reserved0 : 4;
unsigned wrtomwr : 6;
unsigned reserved1 : 18;
} b;
};
union noc_devtodev0 {
uint32_t 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 {
uint32_t 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 {
uint32_t coreid;
uint32_t revisionid;
uint32_t ddrconf;
uint32_t ddrsize;
union noc_ddrtiminga0 ddrtiminga0;
union noc_ddrtimingb0 ddrtimingb0;
union noc_ddrtimingc0 ddrtimingc0;
union noc_devtodev0 devtodev0;
uint32_t reserved0[(0x110-0x20)/4];
union noc_ddrmode ddrmode;
uint32_t reserved1[(0x1000-0x114)/4];
uint32_t 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;
uint32_t agingx0;
};
#if 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;
uint32_t ddrconfig;
struct rk3399_msch_timings noc_timings;
};
struct rk3399_sdram_params {
struct rk3399_sdram_channel ch[2];
uint32_t ddr_freq;
unsigned char dramtype;
unsigned char num_channels;
unsigned char stride;
unsigned char odt;
struct rk3399_ddr_pctl_regs pctl_regs;
struct rk3399_ddr_pi_regs pi_regs;
struct rk3399_ddr_publ_regs phy_regs;
};
#endif
struct rk3399_sdram_channel_config {
uint32_t bus_width;
uint32_t cs_cnt;
uint32_t cs0_row;
uint32_t cs1_row;
uint32_t bank;
uint32_t col;
uint32_t each_die_bus_width;
uint32_t each_die_6gb_or_12gb;
};
struct rk3399_sdram_config {
struct rk3399_sdram_channel_config ch[2];
uint32_t dramtype;
uint32_t channal_num;
};
struct rk3399_sdram_default_config {
unsigned char bl;
/* 1:auto precharge, 0:never auto precharge */
unsigned char ap;
/* dram driver strength */
unsigned char dramds;
/* dram ODT, if odt=0, this parameter invalid */
unsigned char dramodt;
/* ca ODT, if odt=0, this parameter invalid
* only used by LPDDR4
*/
unsigned char caodt;
unsigned char burst_ref_cnt;
/* zqcs period, unit(s) */
unsigned char zqcsi;
};
struct ddr_dts_config_timing {
unsigned int ddr3_speed_bin;
unsigned int pd_idle;
unsigned int sr_idle;
unsigned int sr_mc_gate_idle;
unsigned int srpd_lite_idle;
unsigned int standby_idle;
unsigned int auto_pd_dis_freq;
unsigned int ddr3_dll_dis_freq;
unsigned int phy_dll_dis_freq;
unsigned int ddr3_odt_dis_freq;
unsigned int ddr3_drv;
unsigned int ddr3_odt;
unsigned int phy_ddr3_ca_drv;
unsigned int phy_ddr3_dq_drv;
unsigned int phy_ddr3_odt;
unsigned int lpddr3_odt_dis_freq;
unsigned int lpddr3_drv;
unsigned int lpddr3_odt;
unsigned int phy_lpddr3_ca_drv;
unsigned int phy_lpddr3_dq_drv;
unsigned int phy_lpddr3_odt;
unsigned int lpddr4_odt_dis_freq;
unsigned int lpddr4_drv;
unsigned int lpddr4_dq_odt;
unsigned int lpddr4_ca_odt;
unsigned int phy_lpddr4_ca_drv;
unsigned int phy_lpddr4_ck_cs_drv;
unsigned int phy_lpddr4_dq_drv;
unsigned int phy_lpddr4_odt;
uint32_t available;
};
struct drv_odt_lp_config {
uint32_t ddr3_speed_bin;
uint32_t pd_idle;
uint32_t sr_idle;
uint32_t sr_mc_gate_idle;
uint32_t srpd_lite_idle;
uint32_t standby_idle;
uint32_t ddr3_dll_dis_freq;/* for ddr3 only */
uint32_t phy_dll_dis_freq;
uint32_t odt_dis_freq;
uint32_t dram_side_drv;
uint32_t dram_side_dq_odt;
uint32_t dram_side_ca_odt;
uint32_t phy_side_ca_drv;
uint32_t phy_side_ck_cs_drv;
uint32_t phy_side_dq_drv;
uint32_t phy_side_odt;
};
#define KHz (1000)
#define MHz (1000*KHz)
#define GHz (1000*MHz)
#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_TARINING (0xff)
#define READ_CH_CNT(val) (1+((val>>12)&0x1))
#define READ_CH_INFO(val) ((val>>28)&0x3)
/* row_3_4:0=normal, 1=6Gb or 12Gb */
#define READ_CH_ROW_INFO(val, ch) ((val>>(30+(ch)))&0x1)
#define READ_DRAMTYPE_INFO(val) ((val>>13)&0x7)
#define READ_CS_INFO(val, ch) ((((val)>>(11+(ch)*16))&0x1)+1)
#define READ_BW_INFO(val, ch) (2>>(((val)>>(2+(ch)*16))&0x3))
#define READ_COL_INFO(val, ch) (9+(((val)>>(9+(ch)*16))&0x3))
#define READ_BK_INFO(val, ch) (3-(((val)>>(8+(ch)*16))&0x1))
#define READ_CS0_ROW_INFO(val, ch) (13+(((val)>>(6+(ch)*16))&0x3))
#define READ_CS1_ROW_INFO(val, ch) (13+(((val)>>(4+(ch)*16))&0x3))
#define READ_DIE_BW_INFO(val, ch) (2>>((val>>((ch)*16))&0x3))
#define __sramdata __attribute__((section(".sram.data")))
#define __sramconst __attribute__((section(".sram.rodata")))
#define __sramlocalfunc __attribute__((section(".sram.text")))
#define __sramfunc __attribute__((section(".sram.text"))) \
__attribute__((noinline))
#define DDR_SAVE_SP(save_sp) (save_sp = ddr_save_sp(((uint32_t)\
(SRAM_CODE_BASE + 0x2000) & (~7))))
#define DDR_RESTORE_SP(save_sp) ddr_save_sp(save_sp)
void ddr_init(void);
uint32_t ddr_set_rate(uint32_t hz);
uint32_t ddr_round_rate(uint32_t hz);
uint32_t ddr_get_rate(void);
void clr_dcf_irq(void);
uint32_t dts_timing_receive(uint32_t timing, uint32_t index);
#endif