[people/ms/u-boot.git] / include / fsl_ddr_sdram.h

/*
 * Copyright 2008-2016 Freescale Semiconductor, Inc.
 * Copyright 2017-2018 NXP Semiconductor
 *
 * SPDX-License-Identifier:	GPL-2.0
 */

#ifndef FSL_DDR_MEMCTL_H
#define FSL_DDR_MEMCTL_H

/*
 * Pick a basic DDR Technology.
 */
#include <ddr_spd.h>
#include <fsl_ddrc_version.h>

#define SDRAM_TYPE_DDR1		2
#define SDRAM_TYPE_DDR2		3
#define SDRAM_TYPE_LPDDR1	6
#define SDRAM_TYPE_DDR3		7
#define SDRAM_TYPE_DDR4		5

#define DDR_BL4		4	/* burst length 4 */
#define DDR_BC4		DDR_BL4	/* burst chop for ddr3 */
#define DDR_OTF		6	/* on-the-fly BC4 and BL8 */
#define DDR_BL8		8	/* burst length 8 */

#define DDR3_RTT_OFF		0
#define DDR3_RTT_60_OHM		1 /* RTT_Nom = RZQ/4 */
#define DDR3_RTT_120_OHM	2 /* RTT_Nom = RZQ/2 */
#define DDR3_RTT_40_OHM		3 /* RTT_Nom = RZQ/6 */
#define DDR3_RTT_20_OHM		4 /* RTT_Nom = RZQ/12 */
#define DDR3_RTT_30_OHM		5 /* RTT_Nom = RZQ/8 */

#define DDR4_RTT_OFF		0
#define DDR4_RTT_60_OHM		1	/* RZQ/4 */
#define DDR4_RTT_120_OHM	2	/* RZQ/2 */
#define DDR4_RTT_40_OHM		3	/* RZQ/6 */
#define DDR4_RTT_240_OHM	4	/* RZQ/1 */
#define DDR4_RTT_48_OHM		5	/* RZQ/5 */
#define DDR4_RTT_80_OHM		6	/* RZQ/3 */
#define DDR4_RTT_34_OHM		7	/* RZQ/7 */

#define DDR2_RTT_OFF		0
#define DDR2_RTT_75_OHM		1
#define DDR2_RTT_150_OHM	2
#define DDR2_RTT_50_OHM		3

#if defined(CONFIG_SYS_FSL_DDR1)
#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR	(1)
typedef ddr1_spd_eeprom_t generic_spd_eeprom_t;
#ifndef CONFIG_FSL_SDRAM_TYPE
#define CONFIG_FSL_SDRAM_TYPE	SDRAM_TYPE_DDR1
#endif
#elif defined(CONFIG_SYS_FSL_DDR2)
#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR	(3)
typedef ddr2_spd_eeprom_t generic_spd_eeprom_t;
#ifndef CONFIG_FSL_SDRAM_TYPE
#define CONFIG_FSL_SDRAM_TYPE	SDRAM_TYPE_DDR2
#endif
#elif defined(CONFIG_SYS_FSL_DDR3)
typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
#ifndef CONFIG_FSL_SDRAM_TYPE
#define CONFIG_FSL_SDRAM_TYPE	SDRAM_TYPE_DDR3
#endif
#elif defined(CONFIG_SYS_FSL_DDR4)
#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR	(3)	/* FIXME */
typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t;
#ifndef CONFIG_FSL_SDRAM_TYPE
#define CONFIG_FSL_SDRAM_TYPE	SDRAM_TYPE_DDR4
#endif
#endif	/* #if defined(CONFIG_SYS_FSL_DDR1) */

#define FSL_DDR_ODT_NEVER		0x0
#define FSL_DDR_ODT_CS			0x1
#define FSL_DDR_ODT_ALL_OTHER_CS	0x2
#define FSL_DDR_ODT_OTHER_DIMM		0x3
#define FSL_DDR_ODT_ALL			0x4
#define FSL_DDR_ODT_SAME_DIMM		0x5
#define FSL_DDR_ODT_CS_AND_OTHER_DIMM	0x6
#define FSL_DDR_ODT_OTHER_CS_ONSAMEDIMM	0x7

/* define bank(chip select) interleaving mode */
#define FSL_DDR_CS0_CS1			0x40
#define FSL_DDR_CS2_CS3			0x20
#define FSL_DDR_CS0_CS1_AND_CS2_CS3	(FSL_DDR_CS0_CS1 | FSL_DDR_CS2_CS3)
#define FSL_DDR_CS0_CS1_CS2_CS3		(FSL_DDR_CS0_CS1_AND_CS2_CS3 | 0x04)

/* define memory controller interleaving mode */
#define FSL_DDR_CACHE_LINE_INTERLEAVING	0x0
#define FSL_DDR_PAGE_INTERLEAVING	0x1
#define FSL_DDR_BANK_INTERLEAVING	0x2
#define FSL_DDR_SUPERBANK_INTERLEAVING	0x3
#define FSL_DDR_256B_INTERLEAVING	0x8
#define FSL_DDR_3WAY_1KB_INTERLEAVING	0xA
#define FSL_DDR_3WAY_4KB_INTERLEAVING	0xC
#define FSL_DDR_3WAY_8KB_INTERLEAVING	0xD
/* placeholder for 4-way interleaving */
#define FSL_DDR_4WAY_1KB_INTERLEAVING	0x1A
#define FSL_DDR_4WAY_4KB_INTERLEAVING	0x1C
#define FSL_DDR_4WAY_8KB_INTERLEAVING	0x1D

#define SDRAM_CS_CONFIG_EN		0x80000000

/* DDR_SDRAM_CFG - DDR SDRAM Control Configuration
 */
#define SDRAM_CFG_MEM_EN		0x80000000
#define SDRAM_CFG_SREN			0x40000000
#define SDRAM_CFG_ECC_EN		0x20000000
#define SDRAM_CFG_RD_EN			0x10000000
#define SDRAM_CFG_SDRAM_TYPE_DDR1	0x02000000
#define SDRAM_CFG_SDRAM_TYPE_DDR2	0x03000000
#define SDRAM_CFG_SDRAM_TYPE_MASK	0x07000000
#define SDRAM_CFG_SDRAM_TYPE_SHIFT	24
#define SDRAM_CFG_DYN_PWR		0x00200000
#define SDRAM_CFG_DBW_MASK		0x00180000
#define SDRAM_CFG_DBW_SHIFT		19
#define SDRAM_CFG_32_BE			0x00080000
#define SDRAM_CFG_16_BE			0x00100000
#define SDRAM_CFG_8_BE			0x00040000
#define SDRAM_CFG_NCAP			0x00020000
#define SDRAM_CFG_2T_EN			0x00008000
#define SDRAM_CFG_BI			0x00000001

#define SDRAM_CFG2_FRC_SR		0x80000000
#define SDRAM_CFG2_D_INIT		0x00000010
#define SDRAM_CFG2_AP_EN		0x00000020
#define SDRAM_CFG2_ODT_CFG_MASK		0x00600000
#define SDRAM_CFG2_ODT_NEVER		0
#define SDRAM_CFG2_ODT_ONLY_WRITE	1
#define SDRAM_CFG2_ODT_ONLY_READ	2
#define SDRAM_CFG2_ODT_ALWAYS		3

#define SDRAM_INTERVAL_BSTOPRE	0x3FFF
#define TIMING_CFG_2_CPO_MASK	0x0F800000

#if defined(CONFIG_SYS_FSL_DDR_VER) && \
	(CONFIG_SYS_FSL_DDR_VER > FSL_DDR_VER_4_4)
#define RD_TO_PRE_MASK		0xf
#define RD_TO_PRE_SHIFT		13
#define WR_DATA_DELAY_MASK	0xf
#define WR_DATA_DELAY_SHIFT	9
#else
#define RD_TO_PRE_MASK		0x7
#define RD_TO_PRE_SHIFT		13
#define WR_DATA_DELAY_MASK	0x7
#define WR_DATA_DELAY_SHIFT	10
#endif

/* DDR_EOR register */
#define DDR_EOR_RD_REOD_DIS	0x07000000
#define DDR_EOR_WD_REOD_DIS	0x00100000

/* DDR_MD_CNTL */
#define MD_CNTL_MD_EN		0x80000000
#define MD_CNTL_CS_SEL_CS0	0x00000000
#define MD_CNTL_CS_SEL_CS1	0x10000000
#define MD_CNTL_CS_SEL_CS2	0x20000000
#define MD_CNTL_CS_SEL_CS3	0x30000000
#define MD_CNTL_CS_SEL_CS0_CS1	0x40000000
#define MD_CNTL_CS_SEL_CS2_CS3	0x50000000
#define MD_CNTL_MD_SEL_MR	0x00000000
#define MD_CNTL_MD_SEL_EMR	0x01000000
#define MD_CNTL_MD_SEL_EMR2	0x02000000
#define MD_CNTL_MD_SEL_EMR3	0x03000000
#define MD_CNTL_SET_REF		0x00800000
#define MD_CNTL_SET_PRE		0x00400000
#define MD_CNTL_CKE_CNTL_LOW	0x00100000
#define MD_CNTL_CKE_CNTL_HIGH	0x00200000
#define MD_CNTL_WRCW		0x00080000
#define MD_CNTL_MD_VALUE(x)	(x & 0x0000FFFF)
#define MD_CNTL_CS_SEL(x)	(((x) & 0x7) << 28)
#define MD_CNTL_MD_SEL(x)	(((x) & 0xf) << 24)

/* DDR_CDR1 */
#define DDR_CDR1_DHC_EN	0x80000000
#define DDR_CDR1_V0PT9_EN	0x40000000
#define DDR_CDR1_ODT_SHIFT	17
#define DDR_CDR1_ODT_MASK	0x6
#define DDR_CDR2_ODT_MASK	0x1
#define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT)
#define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK)
#define DDR_CDR2_VREF_OVRD(x)	(0x00008080 | ((((x) - 37) & 0x3F) << 8))
#define DDR_CDR2_VREF_TRAIN_EN	0x00000080
#define DDR_CDR2_VREF_RANGE_2	0x00000040

/* DDR ERR_DISABLE */
#define DDR_ERR_DISABLE_APED	(1 << 8)  /* Address parity error disable */

/* Mode Registers */
#define DDR_MR5_CA_PARITY_LAT_4_CLK	0x1 /* for DDR4-1600/1866/2133 */
#define DDR_MR5_CA_PARITY_LAT_5_CLK	0x2 /* for DDR4-2400 */

/* DEBUG_26 register */
#define DDR_CAS_TO_PRE_SUB_MASK  0x0000f000 /* CAS to preamble subtract value */
#define DDR_CAS_TO_PRE_SUB_SHIFT 12

/* DEBUG_29 register */
#define DDR_TX_BD_DIS	(1 << 10) /* Transmit Bit Deskew Disable */


#if (defined(CONFIG_SYS_FSL_DDR_VER) && \
	(CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7))
#ifdef CONFIG_SYS_FSL_DDR3L
#define DDR_CDR_ODT_OFF		0x0
#define DDR_CDR_ODT_120ohm	0x1
#define DDR_CDR_ODT_200ohm	0x2
#define DDR_CDR_ODT_75ohm	0x3
#define DDR_CDR_ODT_60ohm	0x5
#define DDR_CDR_ODT_46ohm	0x7
#elif defined(CONFIG_SYS_FSL_DDR4)
#define DDR_CDR_ODT_OFF		0x0
#define DDR_CDR_ODT_100ohm	0x1
#define DDR_CDR_ODT_120OHM	0x2
#define DDR_CDR_ODT_80ohm	0x3
#define DDR_CDR_ODT_60ohm	0x4
#define DDR_CDR_ODT_40ohm	0x5
#define DDR_CDR_ODT_50ohm	0x6
#define DDR_CDR_ODT_30ohm	0x7
#else
#define DDR_CDR_ODT_OFF		0x0
#define DDR_CDR_ODT_120ohm	0x1
#define DDR_CDR_ODT_180ohm	0x2
#define DDR_CDR_ODT_75ohm	0x3
#define DDR_CDR_ODT_110ohm	0x4
#define DDR_CDR_ODT_60hm	0x5
#define DDR_CDR_ODT_70ohm	0x6
#define DDR_CDR_ODT_47ohm	0x7
#endif /* DDR3L */
#else
#define DDR_CDR_ODT_75ohm	0x0
#define DDR_CDR_ODT_55ohm	0x1
#define DDR_CDR_ODT_60ohm	0x2
#define DDR_CDR_ODT_50ohm	0x3
#define DDR_CDR_ODT_150ohm	0x4
#define DDR_CDR_ODT_43ohm	0x5
#define DDR_CDR_ODT_120ohm	0x6
#endif

#define DDR_INIT_ADDR_EXT_UIA	(1 << 31)

/* Record of register values computed */
typedef struct fsl_ddr_cfg_regs_s {
	struct {
		unsigned int bnds;
		unsigned int config;
		unsigned int config_2;
	} cs[CONFIG_CHIP_SELECTS_PER_CTRL];
	unsigned int timing_cfg_3;
	unsigned int timing_cfg_0;
	unsigned int timing_cfg_1;
	unsigned int timing_cfg_2;
	unsigned int ddr_sdram_cfg;
	unsigned int ddr_sdram_cfg_2;
	unsigned int ddr_sdram_cfg_3;
	unsigned int ddr_sdram_mode;
	unsigned int ddr_sdram_mode_2;
	unsigned int ddr_sdram_mode_3;
	unsigned int ddr_sdram_mode_4;
	unsigned int ddr_sdram_mode_5;
	unsigned int ddr_sdram_mode_6;
	unsigned int ddr_sdram_mode_7;
	unsigned int ddr_sdram_mode_8;
	unsigned int ddr_sdram_mode_9;
	unsigned int ddr_sdram_mode_10;
	unsigned int ddr_sdram_mode_11;
	unsigned int ddr_sdram_mode_12;
	unsigned int ddr_sdram_mode_13;
	unsigned int ddr_sdram_mode_14;
	unsigned int ddr_sdram_mode_15;
	unsigned int ddr_sdram_mode_16;
	unsigned int ddr_sdram_md_cntl;
	unsigned int ddr_sdram_interval;
	unsigned int ddr_data_init;
	unsigned int ddr_sdram_clk_cntl;
	unsigned int ddr_init_addr;
	unsigned int ddr_init_ext_addr;
	unsigned int timing_cfg_4;
	unsigned int timing_cfg_5;
	unsigned int timing_cfg_6;
	unsigned int timing_cfg_7;
	unsigned int timing_cfg_8;
	unsigned int timing_cfg_9;
	unsigned int ddr_zq_cntl;
	unsigned int ddr_wrlvl_cntl;
	unsigned int ddr_wrlvl_cntl_2;
	unsigned int ddr_wrlvl_cntl_3;
	unsigned int ddr_sr_cntr;
	unsigned int ddr_sdram_rcw_1;
	unsigned int ddr_sdram_rcw_2;
	unsigned int ddr_sdram_rcw_3;
	unsigned int ddr_sdram_rcw_4;
	unsigned int ddr_sdram_rcw_5;
	unsigned int ddr_sdram_rcw_6;
	unsigned int dq_map_0;
	unsigned int dq_map_1;
	unsigned int dq_map_2;
	unsigned int dq_map_3;
	unsigned int ddr_eor;
	unsigned int ddr_cdr1;
	unsigned int ddr_cdr2;
	unsigned int err_disable;
	unsigned int err_int_en;
	unsigned int debug[64];
} fsl_ddr_cfg_regs_t;

typedef struct memctl_options_partial_s {
	unsigned int all_dimms_ecc_capable;
	unsigned int all_dimms_tckmax_ps;
	unsigned int all_dimms_burst_lengths_bitmask;
	unsigned int all_dimms_registered;
	unsigned int all_dimms_unbuffered;
	/*	unsigned int lowest_common_spd_caslat; */
	unsigned int all_dimms_minimum_trcd_ps;
} memctl_options_partial_t;

#define DDR_DATA_BUS_WIDTH_64 0
#define DDR_DATA_BUS_WIDTH_32 1
#define DDR_DATA_BUS_WIDTH_16 2
#define DDR_CSWL_CS0	0x04000001
/*
 * Generalized parameters for memory controller configuration,
 * might be a little specific to the FSL memory controller
 */
typedef struct memctl_options_s {
	/*
	 * Memory organization parameters
	 *
	 * if DIMM is present in the system
	 * where DIMMs are with respect to chip select
	 * where chip selects are with respect to memory boundaries
	 */
	unsigned int registered_dimm_en;    /* use registered DIMM support */

	/* Options local to a Chip Select */
	struct cs_local_opts_s {
		unsigned int auto_precharge;
		unsigned int odt_rd_cfg;
		unsigned int odt_wr_cfg;
		unsigned int odt_rtt_norm;
		unsigned int odt_rtt_wr;
	} cs_local_opts[CONFIG_CHIP_SELECTS_PER_CTRL];

	/* Special configurations for chip select */
	unsigned int memctl_interleaving;
	unsigned int memctl_interleaving_mode;
	unsigned int ba_intlv_ctl;
	unsigned int addr_hash;

	/* Operational mode parameters */
	unsigned int ecc_mode;	 /* Use ECC? */
	/* Initialize ECC using memory controller? */
	unsigned int ecc_init_using_memctl;
	unsigned int dqs_config;	/* Use DQS? maybe only with DDR2? */
	/* SREN - self-refresh during sleep */
	unsigned int self_refresh_in_sleep;
	/* SR_IE - Self-refresh interrupt enable */
	unsigned int self_refresh_interrupt_en;
	unsigned int dynamic_power;	/* DYN_PWR */
	/* memory data width to use (16-bit, 32-bit, 64-bit) */
	unsigned int data_bus_width;
	unsigned int burst_length;	/* BL4, OTF and BL8 */
	/* On-The-Fly Burst Chop enable */
	unsigned int otf_burst_chop_en;
	/* mirrior DIMMs for DDR3 */
	unsigned int mirrored_dimm;
	unsigned int quad_rank_present;
	unsigned int ap_en;	/* address parity enable for RDIMM/DDR4-UDIMM */
	unsigned int x4_en;	/* enable x4 devices */
	unsigned int package_3ds;

	/* Global Timing Parameters */
	unsigned int cas_latency_override;
	unsigned int cas_latency_override_value;
	unsigned int use_derated_caslat;
	unsigned int additive_latency_override;
	unsigned int additive_latency_override_value;

	unsigned int clk_adjust;		/* */
	unsigned int cpo_override;		/* override timing_cfg_2[CPO]*/
	unsigned int cpo_sample;		/* optimize debug_29[24:31] */
	unsigned int write_data_delay;		/* DQS adjust */

	unsigned int cswl_override;
	unsigned int wrlvl_override;
	unsigned int wrlvl_sample;		/* Write leveling */
	unsigned int wrlvl_start;
	unsigned int wrlvl_ctl_2;
	unsigned int wrlvl_ctl_3;

	unsigned int half_strength_driver_enable;
	unsigned int twot_en;
	unsigned int threet_en;
	unsigned int bstopre;
	unsigned int tfaw_window_four_activates_ps;	/* tFAW --  FOUR_ACT */

	/* Rtt impedance */
	unsigned int rtt_override;		/* rtt_override enable */
	unsigned int rtt_override_value;	/* that is Rtt_Nom for DDR3 */
	unsigned int rtt_wr_override_value;	/* this is Rtt_WR for DDR3 */

	/* Automatic self refresh */
	unsigned int auto_self_refresh_en;
	unsigned int sr_it;
	/* ZQ calibration */
	unsigned int zq_en;
	/* Write leveling */
	unsigned int wrlvl_en;
	/* RCW override for RDIMM */
	unsigned int rcw_override;
	unsigned int rcw_1;
	unsigned int rcw_2;
	unsigned int rcw_3;
	/* control register 1 */
	unsigned int ddr_cdr1;
	unsigned int ddr_cdr2;

	unsigned int trwt_override;
	unsigned int trwt;			/* read-to-write turnaround */
} memctl_options_t;

phys_size_t fsl_ddr_sdram(void);
phys_size_t fsl_ddr_sdram_size(void);
phys_size_t fsl_other_ddr_sdram(unsigned long long base,
				unsigned int first_ctrl,
				unsigned int num_ctrls,
				unsigned int dimm_slots_per_ctrl,
				int (*board_need_reset)(void),
				void (*board_reset)(void),
				void (*board_de_reset)(void));
extern int fsl_use_spd(void);
void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
			     unsigned int ctrl_num, int step);
u32 fsl_ddr_get_intl3r(void);
void print_ddr_info(unsigned int start_ctrl);

static void __board_assert_mem_reset(void)
{
}

static void __board_deassert_mem_reset(void)
{
}

void board_assert_mem_reset(void)
	__attribute__((weak, alias("__board_assert_mem_reset")));

void board_deassert_mem_reset(void)
	__attribute__((weak, alias("__board_deassert_mem_reset")));

static int __board_need_mem_reset(void)
{
	return 0;
}

int board_need_mem_reset(void)
	__attribute__((weak, alias("__board_need_mem_reset")));

#if defined(CONFIG_DEEP_SLEEP)
void board_mem_sleep_setup(void);
bool is_warm_boot(void);
int fsl_dp_resume(void);
#endif

/*
 * The 85xx boards have a common prototype for fixed_sdram so put the
 * declaration here.
 */
#ifdef CONFIG_MPC85xx
extern phys_size_t fixed_sdram(void);
#endif

#if defined(CONFIG_DDR_ECC)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif


typedef struct fixed_ddr_parm{
	int min_freq;
	int max_freq;
	fsl_ddr_cfg_regs_t *ddr_settings;
} fixed_ddr_parm_t;

/**
 * fsl_initdram() - Set up the SDRAM
 *
 * @return 0 if OK, -ve on error
 */
int fsl_initdram(void);

#endif
Commit	Line	Data
58e5e9af	1	/*
c0c32af0 YS	2	* Copyright 2008-2016 Freescale Semiconductor, Inc.
c0c32af0 YS	3	* Copyright 2017-2018 NXP Semiconductor
58e5e9af	4	*
5b8031cc	5	* SPDX-License-Identifier: GPL-2.0
58e5e9af KG	6	*/
	7
	8	#ifndef FSL_DDR_MEMCTL_H
	9	#define FSL_DDR_MEMCTL_H
	10
	11	/*
	12	* Pick a basic DDR Technology.
	13	*/
	14	#include <ddr_spd.h>
34e026f9	15	#include <fsl_ddrc_version.h>
58e5e9af	16
34e026f9 YS	17	#define SDRAM_TYPE_DDR1 2
	18	#define SDRAM_TYPE_DDR2 3
	19	#define SDRAM_TYPE_LPDDR1 6
	20	#define SDRAM_TYPE_DDR3 7
	21	#define SDRAM_TYPE_DDR4 5
58e5e9af	22
c360ceac DL	23	#define DDR_BL4 4 /* burst length 4 */
	24	#define DDR_BC4 DDR_BL4 /* burst chop for ddr3 */
	25	#define DDR_OTF 6 /* on-the-fly BC4 and BL8 */
	26	#define DDR_BL8 8 /* burst length 8 */
	27
e1fd16b6	28	#define DDR3_RTT_OFF 0
f8d05e5e DL	29	#define DDR3_RTT_60_OHM 1 /* RTT_Nom = RZQ/4 */
	30	#define DDR3_RTT_120_OHM 2 /* RTT_Nom = RZQ/2 */
	31	#define DDR3_RTT_40_OHM 3 /* RTT_Nom = RZQ/6 */
	32	#define DDR3_RTT_20_OHM 4 /* RTT_Nom = RZQ/12 */
	33	#define DDR3_RTT_30_OHM 5 /* RTT_Nom = RZQ/8 */
	34
19601dd9 YS	35	#define DDR4_RTT_OFF 0
	36	#define DDR4_RTT_60_OHM 1 /* RZQ/4 */
	37	#define DDR4_RTT_120_OHM 2 /* RZQ/2 */
	38	#define DDR4_RTT_40_OHM 3 /* RZQ/6 */
	39	#define DDR4_RTT_240_OHM 4 /* RZQ/1 */
	40	#define DDR4_RTT_48_OHM 5 /* RZQ/5 */
	41	#define DDR4_RTT_80_OHM 6 /* RZQ/3 */
	42	#define DDR4_RTT_34_OHM 7 /* RZQ/7 */
	43
4e57382f YS	44	#define DDR2_RTT_OFF 0
	45	#define DDR2_RTT_75_OHM 1
	46	#define DDR2_RTT_150_OHM 2
	47	#define DDR2_RTT_50_OHM 3
	48
5614e71b	49	#if defined(CONFIG_SYS_FSL_DDR1)
58e5e9af KG	50	#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (1)
	51	typedef ddr1_spd_eeprom_t generic_spd_eeprom_t;
	52	#ifndef CONFIG_FSL_SDRAM_TYPE
	53	#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR1
	54	#endif
5614e71b	55	#elif defined(CONFIG_SYS_FSL_DDR2)
58e5e9af KG	56	#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (3)
	57	typedef ddr2_spd_eeprom_t generic_spd_eeprom_t;
	58	#ifndef CONFIG_FSL_SDRAM_TYPE
	59	#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR2
	60	#endif
5614e71b	61	#elif defined(CONFIG_SYS_FSL_DDR3)
58e5e9af	62	typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
22ff3d01 DL	63	#ifndef CONFIG_FSL_SDRAM_TYPE
22ff3d01 DL	64	#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR3
58e5e9af	65	#endif
34e026f9 YS	66	#elif defined(CONFIG_SYS_FSL_DDR4)
	67	#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (3) /* FIXME */
	68	typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t;
	69	#ifndef CONFIG_FSL_SDRAM_TYPE
	70	#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR4
	71	#endif
5614e71b	72	#endif /* #if defined(CONFIG_SYS_FSL_DDR1) */
58e5e9af	73
e1fd16b6 YS	74	#define FSL_DDR_ODT_NEVER 0x0
	75	#define FSL_DDR_ODT_CS 0x1
	76	#define FSL_DDR_ODT_ALL_OTHER_CS 0x2
	77	#define FSL_DDR_ODT_OTHER_DIMM 0x3
	78	#define FSL_DDR_ODT_ALL 0x4
	79	#define FSL_DDR_ODT_SAME_DIMM 0x5
	80	#define FSL_DDR_ODT_CS_AND_OTHER_DIMM 0x6
	81	#define FSL_DDR_ODT_OTHER_CS_ONSAMEDIMM 0x7
	82
dbbbb3ab HW	83	/* define bank(chip select) interleaving mode */
	84	#define FSL_DDR_CS0_CS1 0x40
	85	#define FSL_DDR_CS2_CS3 0x20
	86	#define FSL_DDR_CS0_CS1_AND_CS2_CS3 (FSL_DDR_CS0_CS1 \| FSL_DDR_CS2_CS3)
	87	#define FSL_DDR_CS0_CS1_CS2_CS3 (FSL_DDR_CS0_CS1_AND_CS2_CS3 \| 0x04)
	88
	89	/* define memory controller interleaving mode */
	90	#define FSL_DDR_CACHE_LINE_INTERLEAVING 0x0
	91	#define FSL_DDR_PAGE_INTERLEAVING 0x1
	92	#define FSL_DDR_BANK_INTERLEAVING 0x2
	93	#define FSL_DDR_SUPERBANK_INTERLEAVING 0x3
6b1e1254	94	#define FSL_DDR_256B_INTERLEAVING 0x8
a4c66509 YS	95	#define FSL_DDR_3WAY_1KB_INTERLEAVING 0xA
	96	#define FSL_DDR_3WAY_4KB_INTERLEAVING 0xC
	97	#define FSL_DDR_3WAY_8KB_INTERLEAVING 0xD
	98	/* placeholder for 4-way interleaving */
	99	#define FSL_DDR_4WAY_1KB_INTERLEAVING 0x1A
	100	#define FSL_DDR_4WAY_4KB_INTERLEAVING 0x1C
	101	#define FSL_DDR_4WAY_8KB_INTERLEAVING 0x1D
dbbbb3ab	102
123922b1 YS	103	#define SDRAM_CS_CONFIG_EN 0x80000000
123922b1 YS	104
e1be0d25 P	105	/* DDR_SDRAM_CFG - DDR SDRAM Control Configuration
	106	*/
	107	#define SDRAM_CFG_MEM_EN 0x80000000
	108	#define SDRAM_CFG_SREN 0x40000000
	109	#define SDRAM_CFG_ECC_EN 0x20000000
	110	#define SDRAM_CFG_RD_EN 0x10000000
	111	#define SDRAM_CFG_SDRAM_TYPE_DDR1 0x02000000
	112	#define SDRAM_CFG_SDRAM_TYPE_DDR2 0x03000000
	113	#define SDRAM_CFG_SDRAM_TYPE_MASK 0x07000000
	114	#define SDRAM_CFG_SDRAM_TYPE_SHIFT 24
	115	#define SDRAM_CFG_DYN_PWR 0x00200000
9c6b47d5	116	#define SDRAM_CFG_DBW_MASK 0x00180000
f31cfd19	117	#define SDRAM_CFG_DBW_SHIFT 19
e1be0d25	118	#define SDRAM_CFG_32_BE 0x00080000
0b3b1766	119	#define SDRAM_CFG_16_BE 0x00100000
e1be0d25 P	120	#define SDRAM_CFG_8_BE 0x00040000
	121	#define SDRAM_CFG_NCAP 0x00020000
	122	#define SDRAM_CFG_2T_EN 0x00008000
	123	#define SDRAM_CFG_BI 0x00000001
	124
a7787b78	125	#define SDRAM_CFG2_FRC_SR 0x80000000
91671913	126	#define SDRAM_CFG2_D_INIT 0x00000010
eb118807	127	#define SDRAM_CFG2_AP_EN 0x00000020
91671913	128	#define SDRAM_CFG2_ODT_CFG_MASK 0x00600000
cae7c1b5 YS	129	#define SDRAM_CFG2_ODT_NEVER 0
	130	#define SDRAM_CFG2_ODT_ONLY_WRITE 1
	131	#define SDRAM_CFG2_ODT_ONLY_READ 2
	132	#define SDRAM_CFG2_ODT_ALWAYS 3
91671913	133
a994b3de	134	#define SDRAM_INTERVAL_BSTOPRE 0x3FFF
91671913 YS	135	#define TIMING_CFG_2_CPO_MASK 0x0F800000
91671913 YS	136
34e026f9 YS	137	#if defined(CONFIG_SYS_FSL_DDR_VER) && \
34e026f9 YS	138	(CONFIG_SYS_FSL_DDR_VER > FSL_DDR_VER_4_4)
c360ceac DL	139	#define RD_TO_PRE_MASK 0xf
	140	#define RD_TO_PRE_SHIFT 13
	141	#define WR_DATA_DELAY_MASK 0xf
	142	#define WR_DATA_DELAY_SHIFT 9
	143	#else
	144	#define RD_TO_PRE_MASK 0x7
	145	#define RD_TO_PRE_SHIFT 13
	146	#define WR_DATA_DELAY_MASK 0x7
	147	#define WR_DATA_DELAY_SHIFT 10
	148	#endif
	149
074596c0 SL	150	/* DDR_EOR register */
	151	#define DDR_EOR_RD_REOD_DIS 0x07000000
	152	#define DDR_EOR_WD_REOD_DIS 0x00100000
	153
fa8d23c0 YS	154	/* DDR_MD_CNTL */
	155	#define MD_CNTL_MD_EN 0x80000000
	156	#define MD_CNTL_CS_SEL_CS0 0x00000000
	157	#define MD_CNTL_CS_SEL_CS1 0x10000000
	158	#define MD_CNTL_CS_SEL_CS2 0x20000000
	159	#define MD_CNTL_CS_SEL_CS3 0x30000000
	160	#define MD_CNTL_CS_SEL_CS0_CS1 0x40000000
	161	#define MD_CNTL_CS_SEL_CS2_CS3 0x50000000
	162	#define MD_CNTL_MD_SEL_MR 0x00000000
	163	#define MD_CNTL_MD_SEL_EMR 0x01000000
	164	#define MD_CNTL_MD_SEL_EMR2 0x02000000
	165	#define MD_CNTL_MD_SEL_EMR3 0x03000000
	166	#define MD_CNTL_SET_REF 0x00800000
	167	#define MD_CNTL_SET_PRE 0x00400000
	168	#define MD_CNTL_CKE_CNTL_LOW 0x00100000
	169	#define MD_CNTL_CKE_CNTL_HIGH 0x00200000
	170	#define MD_CNTL_WRCW 0x00080000
	171	#define MD_CNTL_MD_VALUE(x) (x & 0x0000FFFF)
9f9f0093 YS	172	#define MD_CNTL_CS_SEL(x) (((x) & 0x7) << 28)
9f9f0093 YS	173	#define MD_CNTL_MD_SEL(x) (((x) & 0xf) << 24)
fa8d23c0	174
6b06d7dc YS	175	/* DDR_CDR1 */
6b06d7dc YS	176	#define DDR_CDR1_DHC_EN 0x80000000
031acdba	177	#define DDR_CDR1_V0PT9_EN 0x40000000
57495e4e YS	178	#define DDR_CDR1_ODT_SHIFT 17
	179	#define DDR_CDR1_ODT_MASK 0x6
	180	#define DDR_CDR2_ODT_MASK 0x1
	181	#define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT)
	182	#define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK)
34e026f9	183	#define DDR_CDR2_VREF_OVRD(x) (0x00008080 \| ((((x) - 37) & 0x3F) << 8))
a7787b78	184	#define DDR_CDR2_VREF_TRAIN_EN 0x00000080
7288c2c2	185	#define DDR_CDR2_VREF_RANGE_2 0x00000040
57495e4e	186
eb118807 SL	187	/* DDR ERR_DISABLE */
	188	#define DDR_ERR_DISABLE_APED (1 << 8) /* Address parity error disable */
	189
	190	/* Mode Registers */
	191	#define DDR_MR5_CA_PARITY_LAT_4_CLK 0x1 /* for DDR4-1600/1866/2133 */
	192	#define DDR_MR5_CA_PARITY_LAT_5_CLK 0x2 /* for DDR4-2400 */
	193
5fc62fe5 SL	194	/* DEBUG_26 register */
	195	#define DDR_CAS_TO_PRE_SUB_MASK 0x0000f000 /* CAS to preamble subtract value */
	196	#define DDR_CAS_TO_PRE_SUB_SHIFT 12
	197
4a68489e SL	198	/* DEBUG_29 register */
	199	#define DDR_TX_BD_DIS (1 << 10) /* Transmit Bit Deskew Disable */
	200
eb118807	201
57495e4e YS	202	#if (defined(CONFIG_SYS_FSL_DDR_VER) && \
57495e4e YS	203	(CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7))
34e026f9 YS	204	#ifdef CONFIG_SYS_FSL_DDR3L
	205	#define DDR_CDR_ODT_OFF 0x0
	206	#define DDR_CDR_ODT_120ohm 0x1
	207	#define DDR_CDR_ODT_200ohm 0x2
	208	#define DDR_CDR_ODT_75ohm 0x3
	209	#define DDR_CDR_ODT_60ohm 0x5
	210	#define DDR_CDR_ODT_46ohm 0x7
	211	#elif defined(CONFIG_SYS_FSL_DDR4)
	212	#define DDR_CDR_ODT_OFF 0x0
	213	#define DDR_CDR_ODT_100ohm 0x1
	214	#define DDR_CDR_ODT_120OHM 0x2
	215	#define DDR_CDR_ODT_80ohm 0x3
	216	#define DDR_CDR_ODT_60ohm 0x4
	217	#define DDR_CDR_ODT_40ohm 0x5
	218	#define DDR_CDR_ODT_50ohm 0x6
	219	#define DDR_CDR_ODT_30ohm 0x7
	220	#else
57495e4e YS	221	#define DDR_CDR_ODT_OFF 0x0
	222	#define DDR_CDR_ODT_120ohm 0x1
	223	#define DDR_CDR_ODT_180ohm 0x2
	224	#define DDR_CDR_ODT_75ohm 0x3
	225	#define DDR_CDR_ODT_110ohm 0x4
	226	#define DDR_CDR_ODT_60hm 0x5
	227	#define DDR_CDR_ODT_70ohm 0x6
	228	#define DDR_CDR_ODT_47ohm 0x7
34e026f9	229	#endif /* DDR3L */
57495e4e YS	230	#else
	231	#define DDR_CDR_ODT_75ohm 0x0
	232	#define DDR_CDR_ODT_55ohm 0x1
	233	#define DDR_CDR_ODT_60ohm 0x2
	234	#define DDR_CDR_ODT_50ohm 0x3
	235	#define DDR_CDR_ODT_150ohm 0x4
	236	#define DDR_CDR_ODT_43ohm 0x5
	237	#define DDR_CDR_ODT_120ohm 0x6
	238	#endif
6b06d7dc	239
a7787b78 TY	240	#define DDR_INIT_ADDR_EXT_UIA (1 << 31)
a7787b78 TY	241
58e5e9af KG	242	/* Record of register values computed */
	243	typedef struct fsl_ddr_cfg_regs_s {
	244	struct {
	245	unsigned int bnds;
	246	unsigned int config;
	247	unsigned int config_2;
	248	} cs[CONFIG_CHIP_SELECTS_PER_CTRL];
	249	unsigned int timing_cfg_3;
	250	unsigned int timing_cfg_0;
	251	unsigned int timing_cfg_1;
	252	unsigned int timing_cfg_2;
	253	unsigned int ddr_sdram_cfg;
	254	unsigned int ddr_sdram_cfg_2;
34e026f9	255	unsigned int ddr_sdram_cfg_3;
58e5e9af KG	256	unsigned int ddr_sdram_mode;
58e5e9af KG	257	unsigned int ddr_sdram_mode_2;
e1fd16b6 YS	258	unsigned int ddr_sdram_mode_3;
	259	unsigned int ddr_sdram_mode_4;
	260	unsigned int ddr_sdram_mode_5;
	261	unsigned int ddr_sdram_mode_6;
	262	unsigned int ddr_sdram_mode_7;
	263	unsigned int ddr_sdram_mode_8;
34e026f9 YS	264	unsigned int ddr_sdram_mode_9;
	265	unsigned int ddr_sdram_mode_10;
	266	unsigned int ddr_sdram_mode_11;
	267	unsigned int ddr_sdram_mode_12;
	268	unsigned int ddr_sdram_mode_13;
	269	unsigned int ddr_sdram_mode_14;
	270	unsigned int ddr_sdram_mode_15;
	271	unsigned int ddr_sdram_mode_16;
58e5e9af KG	272	unsigned int ddr_sdram_md_cntl;
	273	unsigned int ddr_sdram_interval;
	274	unsigned int ddr_data_init;
	275	unsigned int ddr_sdram_clk_cntl;
	276	unsigned int ddr_init_addr;
	277	unsigned int ddr_init_ext_addr;
	278	unsigned int timing_cfg_4;
	279	unsigned int timing_cfg_5;
34e026f9 YS	280	unsigned int timing_cfg_6;
	281	unsigned int timing_cfg_7;
	282	unsigned int timing_cfg_8;
	283	unsigned int timing_cfg_9;
58e5e9af KG	284	unsigned int ddr_zq_cntl;
58e5e9af KG	285	unsigned int ddr_wrlvl_cntl;
57495e4e YS	286	unsigned int ddr_wrlvl_cntl_2;
57495e4e YS	287	unsigned int ddr_wrlvl_cntl_3;
58e5e9af KG	288	unsigned int ddr_sr_cntr;
	289	unsigned int ddr_sdram_rcw_1;
	290	unsigned int ddr_sdram_rcw_2;
34e026f9 YS	291	unsigned int ddr_sdram_rcw_3;
	292	unsigned int ddr_sdram_rcw_4;
	293	unsigned int ddr_sdram_rcw_5;
	294	unsigned int ddr_sdram_rcw_6;
	295	unsigned int dq_map_0;
	296	unsigned int dq_map_1;
	297	unsigned int dq_map_2;
	298	unsigned int dq_map_3;
7fd101c9	299	unsigned int ddr_eor;
d2a9568c YS	300	unsigned int ddr_cdr1;
	301	unsigned int ddr_cdr2;
	302	unsigned int err_disable;
	303	unsigned int err_int_en;
b406731a	304	unsigned int debug[64];
58e5e9af KG	305	} fsl_ddr_cfg_regs_t;
	306
	307	typedef struct memctl_options_partial_s {
0dd38a35 PJ	308	unsigned int all_dimms_ecc_capable;
	309	unsigned int all_dimms_tckmax_ps;
	310	unsigned int all_dimms_burst_lengths_bitmask;
	311	unsigned int all_dimms_registered;
	312	unsigned int all_dimms_unbuffered;
34e026f9	313	/* unsigned int lowest_common_spd_caslat; */
0dd38a35	314	unsigned int all_dimms_minimum_trcd_ps;
58e5e9af KG	315	} memctl_options_partial_t;
58e5e9af KG	316
51d498f1 YS	317	#define DDR_DATA_BUS_WIDTH_64 0
	318	#define DDR_DATA_BUS_WIDTH_32 1
	319	#define DDR_DATA_BUS_WIDTH_16 2
ef87cab6	320	#define DDR_CSWL_CS0 0x04000001
58e5e9af KG	321	/*
	322	* Generalized parameters for memory controller configuration,
	323	* might be a little specific to the FSL memory controller
	324	*/
	325	typedef struct memctl_options_s {
	326	/*
	327	* Memory organization parameters
	328	*
	329	* if DIMM is present in the system
	330	* where DIMMs are with respect to chip select
	331	* where chip selects are with respect to memory boundaries
	332	*/
	333	unsigned int registered_dimm_en; /* use registered DIMM support */
	334
	335	/* Options local to a Chip Select */
	336	struct cs_local_opts_s {
	337	unsigned int auto_precharge;
	338	unsigned int odt_rd_cfg;
	339	unsigned int odt_wr_cfg;
e1fd16b6 YS	340	unsigned int odt_rtt_norm;
e1fd16b6 YS	341	unsigned int odt_rtt_wr;
58e5e9af KG	342	} cs_local_opts[CONFIG_CHIP_SELECTS_PER_CTRL];
	343
	344	/* Special configurations for chip select */
	345	unsigned int memctl_interleaving;
	346	unsigned int memctl_interleaving_mode;
	347	unsigned int ba_intlv_ctl;
7fd101c9	348	unsigned int addr_hash;
58e5e9af KG	349
58e5e9af KG	350	/* Operational mode parameters */
0dd38a35	351	unsigned int ecc_mode; /* Use ECC? */
58e5e9af	352	/* Initialize ECC using memory controller? */
0dd38a35 PJ	353	unsigned int ecc_init_using_memctl;
0dd38a35 PJ	354	unsigned int dqs_config; /* Use DQS? maybe only with DDR2? */
58e5e9af KG	355	/* SREN - self-refresh during sleep */
58e5e9af KG	356	unsigned int self_refresh_in_sleep;
e368c206 JT	357	/* SR_IE - Self-refresh interrupt enable */
e368c206 JT	358	unsigned int self_refresh_interrupt_en;
58e5e9af KG	359	unsigned int dynamic_power; /* DYN_PWR */
	360	/* memory data width to use (16-bit, 32-bit, 64-bit) */
	361	unsigned int data_bus_width;
c360ceac DL	362	unsigned int burst_length; /* BL4, OTF and BL8 */
c360ceac DL	363	/* On-The-Fly Burst Chop enable */
0dd38a35	364	unsigned int otf_burst_chop_en;
c360ceac DL	365	/* mirrior DIMMs for DDR3 */
c360ceac DL	366	unsigned int mirrored_dimm;
5800e7ab	367	unsigned int quad_rank_present;
eb118807	368	unsigned int ap_en; /* address parity enable for RDIMM/DDR4-UDIMM */
b61e0615	369	unsigned int x4_en; /* enable x4 devices */
c0c32af0	370	unsigned int package_3ds;
58e5e9af KG	371
	372	/* Global Timing Parameters */
	373	unsigned int cas_latency_override;
	374	unsigned int cas_latency_override_value;
	375	unsigned int use_derated_caslat;
	376	unsigned int additive_latency_override;
	377	unsigned int additive_latency_override_value;
	378
	379	unsigned int clk_adjust; /* */
02fb2761 SL	380	unsigned int cpo_override; /* override timing_cfg_2[CPO]*/
02fb2761 SL	381	unsigned int cpo_sample; /* optimize debug_29[24:31] */
58e5e9af	382	unsigned int write_data_delay; /* DQS adjust */
bdc9f7b5	383
ef87cab6	384	unsigned int cswl_override;
bdc9f7b5 DL	385	unsigned int wrlvl_override;
	386	unsigned int wrlvl_sample; /* Write leveling */
	387	unsigned int wrlvl_start;
57495e4e YS	388	unsigned int wrlvl_ctl_2;
57495e4e YS	389	unsigned int wrlvl_ctl_3;
bdc9f7b5	390
58e5e9af	391	unsigned int half_strength_driver_enable;
0dd38a35 PJ	392	unsigned int twot_en;
0dd38a35 PJ	393	unsigned int threet_en;
58e5e9af	394	unsigned int bstopre;
0dd38a35	395	unsigned int tfaw_window_four_activates_ps; /* tFAW -- FOUR_ACT */
22cca7e1	396
c360ceac DL	397	/* Rtt impedance */
	398	unsigned int rtt_override; /* rtt_override enable */
	399	unsigned int rtt_override_value; /* that is Rtt_Nom for DDR3 */
1aa3d08a	400	unsigned int rtt_wr_override_value; /* this is Rtt_WR for DDR3 */
c360ceac	401
22cca7e1 DL	402	/* Automatic self refresh */
	403	unsigned int auto_self_refresh_en;
	404	unsigned int sr_it;
c360ceac DL	405	/* ZQ calibration */
	406	unsigned int zq_en;
	407	/* Write leveling */
	408	unsigned int wrlvl_en;
d2a9568c YS	409	/* RCW override for RDIMM */
	410	unsigned int rcw_override;
	411	unsigned int rcw_1;
	412	unsigned int rcw_2;
426230a6	413	unsigned int rcw_3;
d2a9568c YS	414	/* control register 1 */
d2a9568c YS	415	unsigned int ddr_cdr1;
57495e4e	416	unsigned int ddr_cdr2;
23f9670f YS	417
	418	unsigned int trwt_override;
	419	unsigned int trwt; /* read-to-write turnaround */
58e5e9af KG	420	} memctl_options_t;
58e5e9af KG	421
1d71efbb YS	422	phys_size_t fsl_ddr_sdram(void);
	423	phys_size_t fsl_ddr_sdram_size(void);
	424	phys_size_t fsl_other_ddr_sdram(unsigned long long base,
	425	unsigned int first_ctrl,
	426	unsigned int num_ctrls,
	427	unsigned int dimm_slots_per_ctrl,
	428	int (*board_need_reset)(void),
	429	void (*board_reset)(void),
	430	void (*board_de_reset)(void));
3dbd5d7d	431	extern int fsl_use_spd(void);
1d71efbb YS	432	void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
1d71efbb YS	433	unsigned int ctrl_num, int step);
f31cfd19	434	u32 fsl_ddr_get_intl3r(void);
1d71efbb	435	void print_ddr_info(unsigned int start_ctrl);
28a96671	436
c63e1370 YS	437	static void __board_assert_mem_reset(void)
	438	{
	439	}
	440
	441	static void __board_deassert_mem_reset(void)
	442	{
	443	}
	444
	445	void board_assert_mem_reset(void)
	446	__attribute__((weak, alias("__board_assert_mem_reset")));
	447
	448	void board_deassert_mem_reset(void)
	449	__attribute__((weak, alias("__board_deassert_mem_reset")));
	450
	451	static int __board_need_mem_reset(void)
	452	{
	453	return 0;
	454	}
	455
	456	int board_need_mem_reset(void)
	457	__attribute__((weak, alias("__board_need_mem_reset")));
	458
a7787b78 TY	459	#if defined(CONFIG_DEEP_SLEEP)
	460	void board_mem_sleep_setup(void);
	461	bool is_warm_boot(void);
	462	int fsl_dp_resume(void);
	463	#endif
aade2004	464
38dba0c2 BB	465	/*
	466	* The 85xx boards have a common prototype for fixed_sdram so put the
	467	* declaration here.
	468	*/
	469	#ifdef CONFIG_MPC85xx
	470	extern phys_size_t fixed_sdram(void);
	471	#endif
	472
	473	#if defined(CONFIG_DDR_ECC)
	474	extern void ddr_enable_ecc(unsigned int dram_size);
	475	#endif
	476
	477
28a96671 YS	478	typedef struct fixed_ddr_parm{
	479	int min_freq;
	480	int max_freq;
	481	fsl_ddr_cfg_regs_t *ddr_settings;
	482	} fixed_ddr_parm_t;
3eace37e SG	483
	484	/**
	485	* fsl_initdram() - Set up the SDRAM
	486	*
	487	* @return 0 if OK, -ve on error
	488	*/
	489	int fsl_initdram(void);
	490
58e5e9af	491	#endif