arch/arm/include/asm/arch-rockchip/sdram_px30.h

/* SPDX-License-Identifier:     GPL-2.0+ */
/*
 * Copyright (C) 2018 Rockchip Electronics Co., Ltd
 */

#ifndef _ASM_ARCH_SDRAM_PX30_H
#define _ASM_ARCH_SDRAM_PX30_H
#include <asm/arch-rockchip/sdram_common.h>
#include <asm/arch-rockchip/sdram_msch.h>
#include <asm/arch-rockchip/sdram_pctl_px30.h>
#include <asm/arch-rockchip/sdram_phy_px30.h>
#include <asm/arch-rockchip/sdram_phy_ron_rtt_px30.h>

#define SR_IDLE				93
#define PD_IDLE				13

/* PMUGRF */
#define PMUGRF_OS_REG0			(0x200)
#define PMUGRF_OS_REG(n)		(PMUGRF_OS_REG0 + (n) * 4)

/* DDR GRF */
#define DDR_GRF_CON(n)			(0 + (n) * 4)
#define DDR_GRF_STATUS_BASE		(0X100)
#define DDR_GRF_STATUS(n)		(DDR_GRF_STATUS_BASE + (n) * 4)
#define DDR_GRF_LP_CON			(0x20)

#define SPLIT_MODE_32_L16_VALID		(0)
#define SPLIT_MODE_32_H16_VALID		(1)
#define SPLIT_MODE_16_L8_VALID		(2)
#define SPLIT_MODE_16_H8_VALID		(3)

#define DDR_GRF_SPLIT_CON		(0x8)
#define SPLIT_MODE_MASK			(0x3)
#define SPLIT_MODE_OFFSET		(9)
#define SPLIT_BYPASS_MASK		(1)
#define SPLIT_BYPASS_OFFSET		(8)
#define SPLIT_SIZE_MASK			(0xff)
#define SPLIT_SIZE_OFFSET		(0)

/* CRU define */
/* CRU_PLL_CON0 */
#define PB(n)				((0x1 << (15 + 16)) | ((n) << 15))
#define POSTDIV1(n)			((0x7 << (12 + 16)) | ((n) << 12))
#define FBDIV(n)			((0xFFF << 16) | (n))

/* CRU_PLL_CON1 */
#define RSTMODE(n)			((0x1 << (15 + 16)) | ((n) << 15))
#define RST(n)				((0x1 << (14 + 16)) | ((n) << 14))
#define PD(n)				((0x1 << (13 + 16)) | ((n) << 13))
#define DSMPD(n)			((0x1 << (12 + 16)) | ((n) << 12))
#define LOCK(n)				(((n) >> 10) & 0x1)
#define POSTDIV2(n)			((0x7 << (6 + 16)) | ((n) << 6))
#define REFDIV(n)			((0x3F << 16) | (n))

/* CRU_MODE */
#define CLOCK_FROM_XIN_OSC		(0)
#define CLOCK_FROM_PLL			(1)
#define CLOCK_FROM_RTC_32K		(2)
#define DPLL_MODE(n)			((0x3 << (4 + 16)) | ((n) << 4))

/* CRU_SOFTRESET_CON1 */
#define upctl2_psrstn_req(n)		(((0x1 << 6) << 16) | ((n) << 6))
#define upctl2_asrstn_req(n)		(((0x1 << 5) << 16) | ((n) << 5))
#define upctl2_srstn_req(n)		(((0x1 << 4) << 16) | ((n) << 4))

/* CRU_SOFTRESET_CON2 */
#define ddrphy_psrstn_req(n)		(((0x1 << 2) << 16) | ((n) << 2))
#define ddrphy_srstn_req(n)		(((0x1 << 0) << 16) | ((n) << 0))

/* CRU register */
#define CRU_PLL_CON(pll_id, n)		((pll_id)  * 0x20 + (n) * 4)
#define CRU_MODE			(0xa0)
#define CRU_GLB_CNT_TH			(0xb0)
#define CRU_CLKSEL_CON_BASE		0x100
#define CRU_CLKSELS_CON(i)		(CRU_CLKSEL_CON_BASE + ((i) * 4))
#define CRU_CLKGATE_CON_BASE		0x200
#define CRU_CLKGATE_CON(i)		(CRU_CLKGATE_CON_BASE + ((i) * 4))
#define CRU_CLKSFTRST_CON_BASE		0x300
#define CRU_CLKSFTRST_CON(i)		(CRU_CLKSFTRST_CON_BASE + ((i) * 4))

struct px30_ddr_grf_regs {
	u32 ddr_grf_con[4];
	u32 reserved1[(0x20 - 0x10) / 4];
	u32 ddr_grf_lp_con;
	u32 reserved2[(0x100 - 0x24) / 4];
	u32 ddr_grf_status[11];
};

struct msch_regs {
	u32 coreid;
	u32 revisionid;
	u32 deviceconf;
	u32 devicesize;
	u32 ddrtiminga0;
	u32 ddrtimingb0;
	u32 ddrtimingc0;
	u32 devtodev0;
	u32 reserved1[(0x110 - 0x20) / 4];
	u32 ddrmode;
	u32 ddr4timing;
	u32 reserved2[(0x1000 - 0x118) / 4];
	u32 agingx0;
	u32 reserved3[(0x1040 - 0x1004) / 4];
	u32 aging0;
	u32 aging1;
	u32 aging2;
	u32 aging3;
};

struct sdram_msch_timings {
	union noc_ddrtiminga0 ddrtiminga0;
	union noc_ddrtimingb0 ddrtimingb0;
	union noc_ddrtimingc0 ddrtimingc0;
	union noc_devtodev0 devtodev0;
	union noc_ddrmode ddrmode;
	union noc_ddr4timing ddr4timing;
	u32 agingx0;
};

struct px30_sdram_channel {
	struct sdram_cap_info cap_info;
	struct sdram_msch_timings noc_timings;
};

struct px30_sdram_params {
	struct px30_sdram_channel ch;
	struct sdram_base_params base;
	struct ddr_pctl_regs pctl_regs;
	struct ddr_phy_regs phy_regs;
	struct ddr_phy_skew *skew;
};

int sdram_init(void);
#endif