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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_DRAM_H__
#define __SOC_ROCKCHIP_RK3399_DRAM_H__
#include <plat_private.h>
#include <stdint.h>
#define CTL_BASE(ch) (0xffa80000 + (ch) * 0x8000)
#define CTL_REG(ch, n) (CTL_BASE(ch) + (n) * 0x4)
#define PI_OFFSET 0x800
#define PI_BASE(ch) (CTL_BASE(ch) + PI_OFFSET)
#define PI_REG(ch, n) (PI_BASE(ch) + (n) * 0x4)
#define PHY_OFFSET 0x2000
#define PHY_BASE(ch) (CTL_BASE(ch) + PHY_OFFSET)
#define PHY_REG(ch, n) (PHY_BASE(ch) + (n) * 0x4)
#define MSCH_BASE(ch) (0xffa84000 + (ch) * 0x8000)
#define MSCH_ID_COREID 0x0
#define MSCH_ID_REVISIONID 0x4
#define MSCH_DEVICECONF 0x8
#define MSCH_DEVICESIZE 0xc
#define MSCH_DDRTIMINGA0 0x10
#define MSCH_DDRTIMINGB0 0x14
#define MSCH_DDRTIMINGC0 0x18
#define MSCH_DEVTODEV0 0x1c
#define MSCH_DDRMODE 0x110
#define MSCH_AGINGX0 0x1000
#define CIC_CTRL0 0x0
#define CIC_CTRL1 0x4
#define CIC_IDLE_TH 0x8
#define CIC_CG_WAIT_TH 0xc
#define CIC_STATUS0 0x10
#define CIC_STATUS1 0x14
#define CIC_CTRL2 0x18
#define CIC_CTRL3 0x1c
#define CIC_CTRL4 0x20
/* DENALI_CTL_00 */
#define START 1
/* DENALI_CTL_68 */
#define PWRUP_SREFRESH_EXIT (1 << 16)
/* DENALI_CTL_274 */
#define MEM_RST_VALID 1
#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
/*
* sys_reg bitfield struct
* [31] row_3_4_ch1
* [30] row_3_4_ch0
* [29:28] chinfo
* [27] rank_ch1
* [26:25] col_ch1
* [24] bk_ch1
* [23:22] cs0_row_ch1
* [21:20] cs1_row_ch1
* [19:18] bw_ch1
* [17:16] dbw_ch1;
* [15:13] ddrtype
* [12] channelnum
* [11] rank_ch0
* [10:9] col_ch0
* [8] bk_ch0
* [7:6] cs0_row_ch0
* [5:4] cs1_row_ch0
* [3:2] bw_ch0
* [1:0] dbw_ch0
*/
#define SYS_REG_ENC_ROW_3_4(n, ch) ((n) << (30 + (ch)))
#define SYS_REG_DEC_ROW_3_4(n, ch) (((n) >> (30 + (ch))) & 0x1)
#define SYS_REG_ENC_CHINFO(ch) (1 << (28 + (ch)))
#define SYS_REG_DEC_CHINFO(n, ch) (((n) >> (28 + (ch))) & 0x1)
#define SYS_REG_ENC_DDRTYPE(n) ((n) << 13)
#define SYS_REG_DEC_DDRTYPE(n) (((n) >> 13) & 0x7)
#define SYS_REG_ENC_NUM_CH(n) (((n) - 1) << 12)
#define SYS_REG_DEC_NUM_CH(n) (1 + (((n) >> 12) & 0x1))
#define SYS_REG_ENC_RANK(n, ch) (((n) - 1) << (11 + (ch) * 16))
#define SYS_REG_DEC_RANK(n, ch) (1 + (((n) >> (11 + (ch) * 16)) & 0x1))
#define SYS_REG_ENC_COL(n, ch) (((n) - 9) << (9 + (ch) * 16))
#define SYS_REG_DEC_COL(n, ch) (9 + (((n) >> (9 + (ch) * 16)) & 0x3))
#define SYS_REG_ENC_BK(n, ch) (((n) == 3 ? 0 : 1) << (8 + (ch) * 16))
#define SYS_REG_DEC_BK(n, ch) (3 - (((n) >> (8 + (ch) * 16)) & 0x1))
#define SYS_REG_ENC_CS0_ROW(n, ch) (((n) - 13) << (6 + (ch) * 16))
#define SYS_REG_DEC_CS0_ROW(n, ch) (13 + (((n) >> (6 + (ch) * 16)) & 0x3))
#define SYS_REG_ENC_CS1_ROW(n, ch) (((n) - 13) << (4 + (ch) * 16))
#define SYS_REG_DEC_CS1_ROW(n, ch) (13 + (((n) >> (4 + (ch) * 16)) & 0x3))
#define SYS_REG_ENC_BW(n, ch) ((2 >> (n)) << (2 + (ch) * 16))
#define SYS_REG_DEC_BW(n, ch) (2 >> (((n) >> (2 + (ch) * 16)) & 0x3))
#define SYS_REG_ENC_DBW(n, ch) ((2 >> (n)) << (0 + (ch) * 16))
#define SYS_REG_DEC_DBW(n, ch) (2 >> (((n) >> (0 + (ch) * 16)) & 0x3))
#define DDR_STRIDE(n) mmio_write_32(SGRF_BASE + SGRF_SOC_CON3_7(4), \
(0x1f<<(10+16))|((n)<<10))
#define CTL_REG_NUM 332
#define PHY_REG_NUM 959
#define PI_REG_NUM 200
enum {
DDR3 = 3,
LPDDR2 = 5,
LPDDR3 = 6,
LPDDR4 = 7,
UNUSED = 0xff
};
struct rk3399_ddr_pctl_regs {
uint32_t denali_ctl[CTL_REG_NUM];
};
struct rk3399_ddr_publ_regs {
uint32_t denali_phy[PHY_REG_NUM];
};
struct rk3399_ddr_pi_regs {
uint32_t denali_pi[PI_REG_NUM];
};
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_timings {
union noc_ddrtiminga0 ddrtiminga0;
union noc_ddrtimingb0 ddrtimingb0;
union noc_ddrtimingc0 ddrtimingc0;
union noc_devtodev0 devtodev0;
union noc_ddrmode ddrmode;
uint32_t agingx0;
};
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;
};
extern __sramdata struct rk3399_sdram_params sdram_config;
void dram_init(void);
#endif