plat/rockchip/rk3399/drivers/dram/dram.h - filogic/atf - Gitiles

 /*
  * 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
	/*
	* 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