diff options
Diffstat (limited to 'drivers/ddr/mvebu/ddr3_hw_training.h')
| -rw-r--r-- | drivers/ddr/mvebu/ddr3_hw_training.h | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/drivers/ddr/mvebu/ddr3_hw_training.h b/drivers/ddr/mvebu/ddr3_hw_training.h new file mode 100644 index 0000000000..cffa7c4ff9 --- /dev/null +++ b/drivers/ddr/mvebu/ddr3_hw_training.h @@ -0,0 +1,392 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __DDR3_TRAINING_H +#define __DDR3_TRAINING_H + +#include "ddr3_init.h" + +#ifdef MV88F78X60 +#include "ddr3_axp.h" +#elif defined(MV88F67XX) +#include "ddr3_a370.h" +#elif defined(MV88F672X) +#include "ddr3_a375.h" +#endif + +/* The following is a list of Marvell status */ +#define MV_ERROR (-1) +#define MV_OK (0x00) /* Operation succeeded */ +#define MV_FAIL (0x01) /* Operation failed */ +#define MV_BAD_VALUE (0x02) /* Illegal value (general) */ +#define MV_OUT_OF_RANGE (0x03) /* The value is out of range */ +#define MV_BAD_PARAM (0x04) /* Illegal parameter in function called */ +#define MV_BAD_PTR (0x05) /* Illegal pointer value */ +#define MV_BAD_SIZE (0x06) /* Illegal size */ +#define MV_BAD_STATE (0x07) /* Illegal state of state machine */ +#define MV_SET_ERROR (0x08) /* Set operation failed */ +#define MV_GET_ERROR (0x09) /* Get operation failed */ +#define MV_CREATE_ERROR (0x0A) /* Fail while creating an item */ +#define MV_NOT_FOUND (0x0B) /* Item not found */ +#define MV_NO_MORE (0x0C) /* No more items found */ +#define MV_NO_SUCH (0x0D) /* No such item */ +#define MV_TIMEOUT (0x0E) /* Time Out */ +#define MV_NO_CHANGE (0x0F) /* Parameter(s) is already in this value */ +#define MV_NOT_SUPPORTED (0x10) /* This request is not support */ +#define MV_NOT_IMPLEMENTED (0x11) /* Request supported but not implemented*/ +#define MV_NOT_INITIALIZED (0x12) /* The item is not initialized */ +#define MV_NO_RESOURCE (0x13) /* Resource not available (memory ...) */ +#define MV_FULL (0x14) /* Item is full (Queue or table etc...) */ +#define MV_EMPTY (0x15) /* Item is empty (Queue or table etc...) */ +#define MV_INIT_ERROR (0x16) /* Error occured while INIT process */ +#define MV_HW_ERROR (0x17) /* Hardware error */ +#define MV_TX_ERROR (0x18) /* Transmit operation not succeeded */ +#define MV_RX_ERROR (0x19) /* Recieve operation not succeeded */ +#define MV_NOT_READY (0x1A) /* The other side is not ready yet */ +#define MV_ALREADY_EXIST (0x1B) /* Tried to create existing item */ +#define MV_OUT_OF_CPU_MEM (0x1C) /* Cpu memory allocation failed. */ +#define MV_NOT_STARTED (0x1D) /* Not started yet */ +#define MV_BUSY (0x1E) /* Item is busy. */ +#define MV_TERMINATE (0x1F) /* Item terminates it's work. */ +#define MV_NOT_ALIGNED (0x20) /* Wrong alignment */ +#define MV_NOT_ALLOWED (0x21) /* Operation NOT allowed */ +#define MV_WRITE_PROTECT (0x22) /* Write protected */ + +#define MV_INVALID (int)(-1) + +/* + * Debug (Enable/Disable modules) and Error report + */ + +#ifdef BASIC_DEBUG +#define MV_DEBUG_WL +#define MV_DEBUG_RL +#define MV_DEBUG_DQS_RESULTS +#endif + +#ifdef FULL_DEBUG +#define MV_DEBUG_WL +#define MV_DEBUG_RL +#define MV_DEBUG_DQS + +#define MV_DEBUG_PBS +#define MV_DEBUG_DFS +#define MV_DEBUG_MAIN_FULL +#define MV_DEBUG_DFS_FULL +#define MV_DEBUG_DQS_FULL +#define MV_DEBUG_RL_FULL +#define MV_DEBUG_WL_FULL +#endif + +/* + * General Consts + */ + +#define SDRAM_READ_WRITE_LEN_IN_WORDS 16 +#define SDRAM_READ_WRITE_LEN_IN_DOUBLE_WORDS 8 +#define CACHE_LINE_SIZE 0x20 + +#define SDRAM_CS_BASE 0x0 + +#define SRAM_BASE 0x40000000 +#define SRAM_SIZE 0xFFF + +#define LEN_64BIT_STD_PATTERN 16 +#define LEN_64BIT_KILLER_PATTERN 128 +#define LEN_64BIT_SPECIAL_PATTERN 128 +#define LEN_64BIT_PBS_PATTERN 16 +#define LEN_WL_SUP_PATTERN 32 + +#define LEN_16BIT_STD_PATTERN 4 +#define LEN_16BIT_KILLER_PATTERN 128 +#define LEN_16BIT_SPECIAL_PATTERN 128 +#define LEN_16BIT_PBS_PATTERN 4 + +#define CMP_BYTE_SHIFT 8 +#define CMP_BYTE_MASK 0xFF +#define PUP_SIZE 8 + +#define S 0 +#define C 1 +#define P 2 +#define D 3 +#define DQS 6 +#define PS 2 +#define DS 3 +#define PE 4 +#define DE 5 + +#define CS0 0 +#define MAX_DIMM_NUM 2 +#define MAX_DELAY 0x1F + +/* + * Invertion limit and phase1 limit are WA for the RL @ 1:1 design bug - + * Armada 370 & AXP Z1 + */ +#define MAX_DELAY_INV_LIMIT 0x5 +#define MIN_DELAY_PHASE_1_LIMIT 0x10 + +#define MAX_DELAY_INV (0x3F - MAX_DELAY_INV_LIMIT) +#define MIN_DELAY 0 +#define MAX_PUP_NUM 9 +#define ECC_PUP 8 +#define DQ_NUM 8 +#define DQS_DQ_NUM 8 +#define INIT_WL_DELAY 13 +#define INIT_RL_DELAY 15 +#define TWLMRD_DELAY 20 +#define TCLK_3_DELAY 3 +#define ECC_BIT 8 +#define DMA_SIZE 64 +#define MV_DMA_0 0 +#define MAX_TRAINING_RETRY 10 + +#define PUP_RL_MODE 0x2 +#define PUP_WL_MODE 0 +#define PUP_PBS_TX 0x10 +#define PUP_PBS_TX_DM 0x1A +#define PUP_PBS_RX 0x30 +#define PUP_DQS_WR 0x1 +#define PUP_DQS_RD 0x3 +#define PUP_BC 10 +#define PUP_DELAY_MASK 0x1F +#define PUP_PHASE_MASK 0x7 +#define PUP_NUM_64BIT 8 +#define PUP_NUM_32BIT 4 +#define PUP_NUM_16BIT 2 + +/* control PHY registers */ +#define CNTRL_PUP_DESKEW 0x10 + +/* WL */ +#define COUNT_WL_HI_FREQ 2 +#define COUNT_WL 2 +#define COUNT_WL_RFRS 9 +#define WL_HI_FREQ_SHIFT 2 +#define WL_HI_FREQ_STATE 1 +#define COUNT_HW_WL 2 + +/* RL */ +/* + * RL_MODE - this define uses the RL mode SW RL instead of the functional + * window SW RL + */ +#define RL_MODE +#define RL_WINDOW_WA +#define MAX_PHASE_1TO1 2 +#define MAX_PHASE_2TO1 4 + +#define MAX_PHASE_RL_UL_1TO1 0 +#define MAX_PHASE_RL_L_1TO1 4 +#define MAX_PHASE_RL_UL_2TO1 3 +#define MAX_PHASE_RL_L_2TO1 7 + +#define RL_UNLOCK_STATE 0 +#define RL_WINDOW_STATE 1 +#define RL_FINAL_STATE 2 +#define RL_RETRY_COUNT 2 +#define COUNT_HW_RL 2 + +/* PBS */ +#define MAX_PBS 31 +#define MIN_PBS 0 +#define COUNT_PBS_PATTERN 2 +#define COUNT_PBS_STARTOVER 2 +#define COUNT_PBS_REPEAT 3 +#define COUNT_PBS_COMP_RETRY_NUM 2 +#define PBS_DIFF_LIMIT 31 +#define PATTERN_PBS_TX_A 0x55555555 +#define PATTERN_PBS_TX_B 0xAAAAAAAA + +/* DQS */ +#define ADLL_ERROR 0x55 +#define ADLL_MAX 31 +#define ADLL_MIN 0 +#define MIN_WIN_SIZE 4 +#define VALID_WIN_THRS MIN_WIN_SIZE + +#define MODE_2TO1 1 +#define MODE_1TO1 0 + +/* + * Macros + */ +#define IS_PUP_ACTIVE(_data_, _pup_) (((_data_) >> (_pup_)) & 0x1) + +/* + * Internal ERROR codes + */ +#define MV_DDR3_TRAINING_ERR_WR_LVL_HW 0xDD302001 +#define MV_DDR3_TRAINING_ERR_LOAD_PATTERNS 0xDD302002 +#define MV_DDR3_TRAINING_ERR_WR_LVL_HI_FREQ 0xDD302003 +#define MV_DDR3_TRAINING_ERR_DFS_H2L 0xDD302004 +#define MV_DDR3_TRAINING_ERR_DRAM_COMPARE 0xDD302005 +#define MV_DDR3_TRAINING_ERR_WIN_LIMITS 0xDD302006 +#define MV_DDR3_TRAINING_ERR_PUP_RANGE 0xDD302025 +#define MV_DDR3_TRAINING_ERR_DQS_LOW_LIMIT_SEARCH 0xDD302007 +#define MV_DDR3_TRAINING_ERR_DQS_HIGH_LIMIT_SEARCH 0xDD302008 +#define MV_DDR3_TRAINING_ERR_DQS_PATTERN 0xDD302009 +#define MV_DDR3_TRAINING_ERR_PBS_ADLL_SHR_1PHASE 0xDD302010 +#define MV_DDR3_TRAINING_ERR_PBS_TX_MAX_VAL 0xDD302011 +#define MV_DDR3_TRAINING_ERR_PBS_RX_PER_BIT 0xDD302012 +#define MV_DDR3_TRAINING_ERR_PBS_TX_PER_BIT 0xDD302013 +#define MV_DDR3_TRAINING_ERR_PBS_RX_MAX_VAL 0xDD302014 +#define MV_DDR3_TRAINING_ERR_PBS_SHIFT_QDS_SRAM_CMP 0xDD302015 +#define MV_DDR3_TRAINING_ERR_PBS_SHIFT_QDS_MAX_VAL 0xDD302016 +#define MV_DDR3_TRAINING_ERR_RD_LVL_RL_PATTERN 0xDD302017 +#define MV_DDR3_TRAINING_ERR_RD_LVL_RL_PUP_UNLOCK 0xDD302018 +#define MV_DDR3_TRAINING_ERR_RD_LVL_PUP_UNLOCK 0xDD302019 +#define MV_DDR3_TRAINING_ERR_WR_LVL_SW 0xDD302020 +#define MV_DDR3_TRAINING_ERR_PRBS_RX 0xDD302021 +#define MV_DDR3_TRAINING_ERR_DQS_RX 0xDD302022 +#define MV_DDR3_TRAINING_ERR_PRBS_TX 0xDD302023 +#define MV_DDR3_TRAINING_ERR_DQS_TX 0xDD302024 + +/* + * DRAM information structure + */ +typedef struct dram_info { + u32 num_cs; + u32 cs_ena; + u32 num_of_std_pups; /* Q value = ddrWidth/8 - Without ECC!! */ + u32 num_of_total_pups; /* numOfStdPups + eccEna */ + u32 target_frequency; /* DDR Frequency */ + u32 ddr_width; /* 32/64 Bit or 16/32 Bit */ + u32 ecc_ena; /* 0/1 */ + u32 wl_val[MAX_CS][MAX_PUP_NUM][7]; + u32 rl_val[MAX_CS][MAX_PUP_NUM][7]; + u32 rl_max_phase; + u32 rl_min_phase; + u32 wl_max_phase; + u32 wl_min_phase; + u32 rd_smpl_dly; + u32 rd_rdy_dly; + u32 cl; + u32 cwl; + u32 mode_2t; + int rl400_bug; + int multi_cs_mr_support; + int reg_dimm; +} MV_DRAM_INFO; + +enum training_modes { + DQS_WR_MODE, + WL_MODE_, + RL_MODE_, + DQS_RD_MODE, + PBS_TX_DM_MODE, + PBS_TX_MODE, + PBS_RX_MODE, + MAX_TRAINING_MODE, +}; + +typedef struct dram_training_init { + u32 reg_addr; + u32 reg_value; +} MV_DRAM_TRAINING_INIT; + +typedef struct dram_mv_init { + u32 reg_addr; + u32 reg_value; +} MV_DRAM_MC_INIT; + +/* Board/Soc revisions define */ +enum board_rev { + Z1, + Z1_PCAC, + Z1_RD_SLED, + A0, + A0_AMC +}; + +typedef struct dram_modes { + char *mode_name; + u8 cpu_freq; + u8 fab_freq; + u8 chip_id; + int chip_board_rev; + MV_DRAM_MC_INIT *regs; + MV_DRAM_TRAINING_INIT *vals; +} MV_DRAM_MODES; + +/* + * Function Declarations + */ + +u32 cache_inv(u32 addr); +void flush_l1_v7(u32 line); +void flush_l1_v6(u32 line); + +u32 ddr3_cl_to_valid_cl(u32 cl); +u32 ddr3_valid_cl_to_cl(u32 ui_valid_cl); + +void ddr3_write_pup_reg(u32 mode, u32 cs, u32 pup, u32 phase, u32 delay); +u32 ddr3_read_pup_reg(u32 mode, u32 cs, u32 pup); + +int ddr3_sdram_pbs_compare(MV_DRAM_INFO *dram_info, u32 pup_locked, int is_tx, + u32 pbs_pattern_idx, u32 pbs_curr_val, + u32 pbs_lock_val, u32 *skew_array, + u8 *unlock_pup_dq_array, u32 ecc); + +int ddr3_sdram_dqs_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, + u32 pattern_len, u32 sdram_offset, int write, + int mask, u32 *mask_pattern, int b_special_compare); + +int ddr3_sdram_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, u32 pattern_len, + u32 sdram_offset, int write, int mask, + u32 *mask_pattern, int b_special_compare); + +int ddr3_sdram_direct_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, + u32 pattern_len, u32 sdram_offset, int write, + int mask, u32 *mask_pattern); + +int ddr3_sdram_dm_compare(MV_DRAM_INFO *dram_info, u32 unlock_pup, + u32 *new_locked_pup, u32 *pattern, + u32 sdram_offset); +int ddr3_dram_sram_read(u32 src, u32 dst, u32 len); +int ddr3_load_patterns(MV_DRAM_INFO *dram_info, int resume); + +int ddr3_read_leveling_hw(u32 freq, MV_DRAM_INFO *dram_info); +int ddr3_read_leveling_sw(u32 freq, int ratio_2to1, MV_DRAM_INFO *dram_info); + +int ddr3_write_leveling_hw(u32 freq, MV_DRAM_INFO *dram_info); +int ddr3_write_leveling_sw(u32 freq, int ratio_2to1, MV_DRAM_INFO *dram_info); +int ddr3_write_leveling_hw_reg_dimm(u32 freq, MV_DRAM_INFO *dram_info); +int ddr3_wl_supplement(MV_DRAM_INFO *dram_info); + +int ddr3_dfs_high_2_low(u32 freq, MV_DRAM_INFO *dram_info); +int ddr3_dfs_low_2_high(u32 freq, int ratio_2to1, MV_DRAM_INFO *dram_info); + +int ddr3_pbs_tx(MV_DRAM_INFO *dram_info); +int ddr3_pbs_rx(MV_DRAM_INFO *dram_info); +int ddr3_load_pbs_patterns(MV_DRAM_INFO *dram_info); + +int ddr3_dqs_centralization_rx(MV_DRAM_INFO *dram_info); +int ddr3_dqs_centralization_tx(MV_DRAM_INFO *dram_info); +int ddr3_load_dqs_patterns(MV_DRAM_INFO *dram_info); + +void ddr3_static_training_init(void); + +u8 ddr3_get_eprom_fabric(void); +void ddr3_set_performance_params(MV_DRAM_INFO *dram_info); +int ddr3_dram_sram_burst(u32 src, u32 dst, u32 len); +void ddr3_save_training(MV_DRAM_INFO *dram_info); +int ddr3_read_training_results(void); +int ddr3_training_suspend_resume(MV_DRAM_INFO *dram_info); +int ddr3_get_min_max_read_sample_delay(u32 cs_enable, u32 reg, u32 *min, + u32 *max, u32 *cs_max); +int ddr3_get_min_max_rl_phase(MV_DRAM_INFO *dram_info, u32 *min, u32 *max, + u32 cs); +int ddr3_odt_activate(int activate); +int ddr3_odt_read_dynamic_config(MV_DRAM_INFO *dram_info); +void ddr3_print_freq(u32 freq); +void ddr3_reset_phy_read_fifo(void); + +#endif /* __DDR3_TRAINING_H */ |