/* * Copyright 2008-2014 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * Version 2 as published by the Free Software Foundation. */ #ifndef FSL_DDR_MEMCTL_H #define FSL_DDR_MEMCTL_H /* * Pick a basic DDR Technology. */ #include #include #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 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_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 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_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_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 #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[32]; } 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; 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 */ unsigned int x4_en; /* enable x4 devices */ /* 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; 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; /* 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; #endif