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  • /*
     * Copyright (C) Marvell International Ltd. and its affiliates
     *
     * SPDX-License-Identifier:	GPL-2.0
     */
    
    #ifndef __DDR3_INIT_H
    #define __DDR3_INIT_H
    
    /*
     * Debug
     */
    
    /*
     * MV_DEBUG_INIT need to be defines, otherwise the output of the
     * DDR2 training code is not complete and misleading
     */
    #define MV_DEBUG_INIT
    
    #ifdef MV_DEBUG_INIT
    #define DEBUG_INIT_S(s)			puts(s)
    #define DEBUG_INIT_D(d, l)		printf("%x", d)
    #define DEBUG_INIT_D_10(d, l)		printf("%d", d)
    #else
    #define DEBUG_INIT_S(s)
    #define DEBUG_INIT_D(d, l)
    #define DEBUG_INIT_D_10(d, l)
    #endif
    
    #ifdef MV_DEBUG_INIT_FULL
    #define DEBUG_INIT_FULL_S(s)		puts(s)
    #define DEBUG_INIT_FULL_D(d, l)		printf("%x", d)
    #define DEBUG_INIT_FULL_D_10(d, l)	printf("%d", d)
    #define DEBUG_WR_REG(reg, val) \
    	{ DEBUG_INIT_S("Write Reg: 0x"); DEBUG_INIT_D((reg), 8); \
    	  DEBUG_INIT_S("= "); DEBUG_INIT_D((val), 8); DEBUG_INIT_S("\n"); }
    #define DEBUG_RD_REG(reg, val) \
    	{ DEBUG_INIT_S("Read  Reg: 0x"); DEBUG_INIT_D((reg), 8); \
    	  DEBUG_INIT_S("= "); DEBUG_INIT_D((val), 8); DEBUG_INIT_S("\n"); }
    #else
    #define DEBUG_INIT_FULL_S(s)
    #define DEBUG_INIT_FULL_D(d, l)
    #define DEBUG_INIT_FULL_D_10(d, l)
    #define DEBUG_WR_REG(reg, val)
    #define DEBUG_RD_REG(reg, val)
    #endif
    
    #define DEBUG_INIT_FULL_C(s, d, l) \
    	{ DEBUG_INIT_FULL_S(s); DEBUG_INIT_FULL_D(d, l); DEBUG_INIT_FULL_S("\n"); }
    #define DEBUG_INIT_C(s, d, l) \
    	{ DEBUG_INIT_S(s); DEBUG_INIT_D(d, l); DEBUG_INIT_S("\n"); }
    
    #define MV_MBUS_REGS_OFFSET                 (0x20000)
    
    #include "ddr3_hw_training.h"
    
    #define MAX_DIMM_NUM			2
    #define SPD_SIZE			128
    
    #ifdef MV88F78X60
    #include "ddr3_axp.h"
    #elif defined(MV88F67XX)
    #include "ddr3_a370.h"
    #elif defined(MV88F672X)
    #include "ddr3_a375.h"
    #endif
    
    /* DRR training Error codes */
    /* Stage 0 errors */
    #define MV_DDR3_TRAINING_ERR_BAD_SAR			0xDD300001
    /* Stage 1 errors */
    #define MV_DDR3_TRAINING_ERR_TWSI_FAIL			0xDD301001
    #define MV_DDR3_TRAINING_ERR_DIMM_TYPE_NO_MATCH		0xDD301001
    #define MV_DDR3_TRAINING_ERR_TWSI_BAD_TYPE		0xDD301003
    #define MV_DDR3_TRAINING_ERR_BUS_WIDTH_NOT_MATCH	0xDD301004
    #define MV_DDR3_TRAINING_ERR_BAD_DIMM_SETUP		0xDD301005
    #define MV_DDR3_TRAINING_ERR_MAX_CS_LIMIT		0xDD301006
    #define MV_DDR3_TRAINING_ERR_MAX_ENA_CS_LIMIT		0xDD301007
    #define MV_DDR3_TRAINING_ERR_BAD_R_DIMM_SETUP		0xDD301008
    /* Stage 2 errors */
    #define MV_DDR3_TRAINING_ERR_HW_FAIL_BASE		0xDD302000
    
    typedef enum config_type {
    	CONFIG_ECC,
    	CONFIG_MULTI_CS,
    	CONFIG_BUS_WIDTH
    } MV_CONFIG_TYPE;
    
    enum log_level  {
    	MV_LOG_LEVEL_0,
    	MV_LOG_LEVEL_1,
    	MV_LOG_LEVEL_2,
    	MV_LOG_LEVEL_3
    };
    
    int ddr3_hw_training(u32 target_freq, u32 ddr_width,
    		     int xor_bypass, u32 scrub_offs, u32 scrub_size,
    		     int dqs_clk_aligned, int debug_mode, int reg_dimm_skip_wl);
    
    void ddr3_print_version(void);
    void fix_pll_val(u8 target_fab);
    u8 ddr3_get_eprom_fabric(void);
    u32 ddr3_get_fab_opt(void);
    u32 ddr3_get_cpu_freq(void);
    u32 ddr3_get_vco_freq(void);
    int ddr3_check_config(u32 addr, MV_CONFIG_TYPE config_type);
    u32 ddr3_get_static_mc_value(u32 reg_addr, u32 offset1, u32 mask1, u32 offset2,
    			     u32 mask2);
    u32 ddr3_cl_to_valid_cl(u32 cl);
    u32 ddr3_valid_cl_to_cl(u32 ui_valid_cl);
    u32 ddr3_get_cs_num_from_reg(void);
    u32 ddr3_get_cs_ena_from_reg(void);
    u8 mv_ctrl_rev_get(void);
    
    u32 ddr3_get_log_level(void);
    
    /* SPD */
    int ddr3_dunit_setup(u32 ecc_ena, u32 hclk_time, u32 *ddr_width);
    
    /*
     * Accessor functions for the registers
     */
    static inline void reg_write(u32 addr, u32 val)
    {
    	writel(val, INTER_REGS_BASE + addr);
    }
    
    static inline u32 reg_read(u32 addr)
    {
    	return readl(INTER_REGS_BASE + addr);
    }
    
    static inline void reg_bit_set(u32 addr, u32 mask)
    {
    	setbits_le32(INTER_REGS_BASE + addr, mask);
    }
    
    static inline void reg_bit_clr(u32 addr, u32 mask)
    {
    	clrbits_le32(INTER_REGS_BASE + addr, mask);
    }
    
    #endif /* __DDR3_INIT_H */