2 * Copyright 2008-2014 Freescale Semiconductor, Inc.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * Version 2 as published by the Free Software Foundation.
10 #define FSL_DDR_MAIN_H
12 #include <fsl_ddrc_version.h>
13 #include <fsl_ddr_sdram.h>
14 #include <fsl_ddr_dimm_params.h>
16 #include <common_timing_params.h>
18 #ifndef CONFIG_SYS_FSL_DDR_MAIN_NUM_CTRLS
19 /* All controllers are for main memory */
20 #define CONFIG_SYS_FSL_DDR_MAIN_NUM_CTRLS CONFIG_NUM_DDR_CONTROLLERS
23 #ifdef CONFIG_SYS_FSL_DDR_LE
24 #define ddr_in32(a) in_le32(a)
25 #define ddr_out32(a, v) out_le32(a, v)
26 #define ddr_setbits32(a, v) setbits_le32(a, v)
27 #define ddr_clrbits32(a, v) clrbits_le32(a, v)
28 #define ddr_clrsetbits32(a, clear, set) clrsetbits_le32(a, clear, set)
30 #define ddr_in32(a) in_be32(a)
31 #define ddr_out32(a, v) out_be32(a, v)
32 #define ddr_setbits32(a, v) setbits_be32(a, v)
33 #define ddr_clrbits32(a, v) clrbits_be32(a, v)
34 #define ddr_clrsetbits32(a, clear, set) clrsetbits_be32(a, clear, set)
37 #define _DDR_ADDR CONFIG_SYS_FSL_DDR_ADDR
39 u32
fsl_ddr_get_version(void);
41 #if defined(CONFIG_DDR_SPD) || defined(CONFIG_SPD_EEPROM)
43 * Bind the main DDR setup driver's generic names
44 * to this specific DDR technology.
47 compute_dimm_parameters(const generic_spd_eeprom_t
*spd
,
49 unsigned int dimm_number
)
51 return ddr_compute_dimm_parameters(spd
, pdimm
, dimm_number
);
58 * All data structures have to be on the stack
60 #define CONFIG_SYS_NUM_DDR_CTLRS CONFIG_NUM_DDR_CONTROLLERS
61 #define CONFIG_SYS_DIMM_SLOTS_PER_CTLR CONFIG_DIMM_SLOTS_PER_CTLR
65 spd_installed_dimms
[CONFIG_SYS_NUM_DDR_CTLRS
][CONFIG_SYS_DIMM_SLOTS_PER_CTLR
];
67 dimm_params
[CONFIG_SYS_NUM_DDR_CTLRS
][CONFIG_SYS_DIMM_SLOTS_PER_CTLR
];
68 memctl_options_t memctl_opts
[CONFIG_SYS_NUM_DDR_CTLRS
];
69 common_timing_params_t common_timing_params
[CONFIG_SYS_NUM_DDR_CTLRS
];
70 fsl_ddr_cfg_regs_t fsl_ddr_config_reg
[CONFIG_SYS_NUM_DDR_CTLRS
];
71 unsigned int first_ctrl
;
72 unsigned int num_ctrls
;
73 unsigned long long mem_base
;
74 unsigned int dimm_slots_per_ctrl
;
75 int (*board_need_mem_reset
)(void);
76 void (*board_mem_reset
)(void);
77 void (*board_mem_de_reset
)(void);
81 #define STEP_GET_SPD (1 << 0)
82 #define STEP_COMPUTE_DIMM_PARMS (1 << 1)
83 #define STEP_COMPUTE_COMMON_PARMS (1 << 2)
84 #define STEP_GATHER_OPTS (1 << 3)
85 #define STEP_ASSIGN_ADDRESSES (1 << 4)
86 #define STEP_COMPUTE_REGS (1 << 5)
87 #define STEP_PROGRAM_REGS (1 << 6)
88 #define STEP_ALL 0xFFF
91 fsl_ddr_compute(fsl_ddr_info_t
*pinfo
, unsigned int start_step
,
92 unsigned int size_only
);
93 const char *step_to_string(unsigned int step
);
95 unsigned int compute_fsl_memctl_config_regs(const memctl_options_t
*popts
,
96 fsl_ddr_cfg_regs_t
*ddr
,
97 const common_timing_params_t
*common_dimm
,
98 const dimm_params_t
*dimm_parameters
,
99 unsigned int dbw_capacity_adjust
,
100 unsigned int size_only
);
101 unsigned int compute_lowest_common_dimm_parameters(
102 const dimm_params_t
*dimm_params
,
103 common_timing_params_t
*outpdimm
,
104 unsigned int number_of_dimms
);
105 unsigned int populate_memctl_options(int all_dimms_registered
,
106 memctl_options_t
*popts
,
107 dimm_params_t
*pdimm
,
108 unsigned int ctrl_num
);
109 void check_interleaving_options(fsl_ddr_info_t
*pinfo
);
111 unsigned int mclk_to_picos(unsigned int mclk
);
112 unsigned int get_memory_clk_period_ps(void);
113 unsigned int picos_to_mclk(unsigned int picos
);
114 void fsl_ddr_set_lawbar(
115 const common_timing_params_t
*memctl_common_params
,
116 unsigned int memctl_interleaved
,
117 unsigned int ctrl_num
);
119 int fsl_ddr_interactive_env_var_exists(void);
120 unsigned long long fsl_ddr_interactive(fsl_ddr_info_t
*pinfo
, int var_is_set
);
121 void fsl_ddr_get_spd(generic_spd_eeprom_t
*ctrl_dimms_spd
,
122 unsigned int ctrl_num
, unsigned int dimm_slots_per_ctrl
);
124 int do_reset(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
125 unsigned int check_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t
*ddr
);
126 void board_add_ram_info(int use_default
);
128 /* processor specific function */
129 void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t
*regs
,
130 unsigned int ctrl_num
, int step
);
132 /* board specific function */
133 int fsl_ddr_get_dimm_params(dimm_params_t
*pdimm
,
134 unsigned int controller_number
,
135 unsigned int dimm_number
);