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/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
/*
* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
*/
#ifndef _RAM_STM32MP1_DDR_H
#define _RAM_STM32MP1_DDR_H
enum stm32mp1_ddr_interact_step {
STEP_DDR_RESET,
STEP_CTL_INIT,
STEP_PHY_INIT,
STEP_DDR_READY,
STEP_RUN,
};
/* DDR CTL and DDR PHY REGISTERS */
struct stm32mp1_ddrctl;
struct stm32mp1_ddrphy;
/**
* struct ddr_info
*
* @dev: pointer for the device
* @info: UCLASS RAM information
* @ctl: DDR controleur base address
* @clk: DDR clock
* @phy: DDR PHY base address
* @rcc: rcc base address
*/
struct ddr_info {
struct udevice *dev;
struct ram_info info;
struct clk clk;
struct stm32mp1_ddrctl *ctl;
struct stm32mp1_ddrphy *phy;
u32 rcc;
};
struct stm32mp1_ddrctrl_reg {
u32 mstr;
u32 mrctrl0;
u32 mrctrl1;
u32 derateen;
u32 derateint;
u32 pwrctl;
u32 pwrtmg;
u32 hwlpctl;
u32 rfshctl0;
u32 rfshctl3;
u32 crcparctl0;
u32 zqctl0;
u32 dfitmg0;
u32 dfitmg1;
u32 dfilpcfg0;
u32 dfiupd0;
u32 dfiupd1;
u32 dfiupd2;
u32 dfiphymstr;
u32 odtmap;
u32 dbg0;
u32 dbg1;
u32 dbgcmd;
u32 poisoncfg;
u32 pccfg;
};
struct stm32mp1_ddrctrl_timing {
u32 rfshtmg;
u32 dramtmg0;
u32 dramtmg1;
u32 dramtmg2;
u32 dramtmg3;
u32 dramtmg4;
u32 dramtmg5;
u32 dramtmg6;
u32 dramtmg7;
u32 dramtmg8;
u32 dramtmg14;
u32 odtcfg;
};
struct stm32mp1_ddrctrl_map {
u32 addrmap1;
u32 addrmap2;
u32 addrmap3;
u32 addrmap4;
u32 addrmap5;
u32 addrmap6;
u32 addrmap9;
u32 addrmap10;
u32 addrmap11;
};
struct stm32mp1_ddrctrl_perf {
u32 sched;
u32 sched1;
u32 perfhpr1;
u32 perflpr1;
u32 perfwr1;
u32 pcfgr_0;
u32 pcfgw_0;
u32 pcfgqos0_0;
u32 pcfgqos1_0;
u32 pcfgwqos0_0;
u32 pcfgwqos1_0;
u32 pcfgr_1;
u32 pcfgw_1;
u32 pcfgqos0_1;
u32 pcfgqos1_1;
u32 pcfgwqos0_1;
u32 pcfgwqos1_1;
};
struct stm32mp1_ddrphy_reg {
u32 pgcr;
u32 aciocr;
u32 dxccr;
u32 dsgcr;
u32 dcr;
u32 odtcr;
u32 zq0cr1;
u32 dx0gcr;
u32 dx1gcr;
u32 dx2gcr;
u32 dx3gcr;
};
struct stm32mp1_ddrphy_timing {
u32 ptr0;
u32 ptr1;
u32 ptr2;
u32 dtpr0;
u32 dtpr1;
u32 dtpr2;
u32 mr0;
u32 mr1;
u32 mr2;
u32 mr3;
};
struct stm32mp1_ddrphy_cal {
u32 dx0dllcr;
u32 dx0dqtr;
u32 dx0dqstr;
u32 dx1dllcr;
u32 dx1dqtr;
u32 dx1dqstr;
u32 dx2dllcr;
u32 dx2dqtr;
u32 dx2dqstr;
u32 dx3dllcr;
u32 dx3dqtr;
u32 dx3dqstr;
};
struct stm32mp1_ddr_info {
const char *name;
u32 speed; /* in kHZ */
u32 size; /* memory size in byte = col * row * width */
};
struct stm32mp1_ddr_config {
struct stm32mp1_ddr_info info;
struct stm32mp1_ddrctrl_reg c_reg;
struct stm32mp1_ddrctrl_timing c_timing;
struct stm32mp1_ddrctrl_map c_map;
struct stm32mp1_ddrctrl_perf c_perf;
struct stm32mp1_ddrphy_reg p_reg;
struct stm32mp1_ddrphy_timing p_timing;
struct stm32mp1_ddrphy_cal p_cal;
bool p_cal_present;
};
int stm32mp1_ddr_clk_enable(struct ddr_info *priv, u32 mem_speed);
void stm32mp1_ddrphy_init(struct stm32mp1_ddrphy *phy, u32 pir);
void stm32mp1_refresh_disable(struct stm32mp1_ddrctl *ctl);
void stm32mp1_refresh_restore(struct stm32mp1_ddrctl *ctl,
u32 rfshctl3,
u32 pwrctl);
void stm32mp1_ddr_init(
struct ddr_info *priv,
const struct stm32mp1_ddr_config *config);
int stm32mp1_dump_reg(const struct ddr_info *priv,
const char *name);
void stm32mp1_edit_reg(const struct ddr_info *priv,
char *name,
char *string);
int stm32mp1_dump_param(const struct stm32mp1_ddr_config *config,
const char *name);
void stm32mp1_edit_param(const struct stm32mp1_ddr_config *config,
char *name,
char *string);
bool stm32mp1_ddr_interactive(
void *priv,
enum stm32mp1_ddr_interact_step step,
const struct stm32mp1_ddr_config *config);
#endif
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