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58e5e9af | 1 | /* |
fc0c2b6f | 2 | * Copyright 2008-2011 Freescale Semiconductor, Inc. |
58e5e9af KG |
3 | * |
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. | |
7 | */ | |
8 | ||
9 | #ifndef FSL_DDR_MAIN_H | |
10 | #define FSL_DDR_MAIN_H | |
11 | ||
5614e71b YS |
12 | #include <fsl_ddr_sdram.h> |
13 | #include <fsl_ddr_dimm_params.h> | |
58e5e9af | 14 | |
5614e71b | 15 | #include <common_timing_params.h> |
58e5e9af | 16 | |
1b3e3c4f | 17 | #if defined(CONFIG_DDR_SPD) || defined(CONFIG_SPD_EEPROM) |
58e5e9af KG |
18 | /* |
19 | * Bind the main DDR setup driver's generic names | |
20 | * to this specific DDR technology. | |
21 | */ | |
22 | static __inline__ int | |
23 | compute_dimm_parameters(const generic_spd_eeprom_t *spd, | |
24 | dimm_params_t *pdimm, | |
25 | unsigned int dimm_number) | |
26 | { | |
27 | return ddr_compute_dimm_parameters(spd, pdimm, dimm_number); | |
28 | } | |
1b3e3c4f | 29 | #endif |
58e5e9af KG |
30 | |
31 | /* | |
32 | * Data Structures | |
33 | * | |
34 | * All data structures have to be on the stack | |
35 | */ | |
6d0f6bcf JCPV |
36 | #define CONFIG_SYS_NUM_DDR_CTLRS CONFIG_NUM_DDR_CONTROLLERS |
37 | #define CONFIG_SYS_DIMM_SLOTS_PER_CTLR CONFIG_DIMM_SLOTS_PER_CTLR | |
58e5e9af KG |
38 | |
39 | typedef struct { | |
40 | generic_spd_eeprom_t | |
6d0f6bcf | 41 | spd_installed_dimms[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_SYS_DIMM_SLOTS_PER_CTLR]; |
58e5e9af | 42 | struct dimm_params_s |
6d0f6bcf JCPV |
43 | dimm_params[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_SYS_DIMM_SLOTS_PER_CTLR]; |
44 | memctl_options_t memctl_opts[CONFIG_SYS_NUM_DDR_CTLRS]; | |
45 | common_timing_params_t common_timing_params[CONFIG_SYS_NUM_DDR_CTLRS]; | |
46 | fsl_ddr_cfg_regs_t fsl_ddr_config_reg[CONFIG_SYS_NUM_DDR_CTLRS]; | |
58e5e9af KG |
47 | } fsl_ddr_info_t; |
48 | ||
49 | /* Compute steps */ | |
50 | #define STEP_GET_SPD (1 << 0) | |
51 | #define STEP_COMPUTE_DIMM_PARMS (1 << 1) | |
52 | #define STEP_COMPUTE_COMMON_PARMS (1 << 2) | |
53 | #define STEP_GATHER_OPTS (1 << 3) | |
54 | #define STEP_ASSIGN_ADDRESSES (1 << 4) | |
55 | #define STEP_COMPUTE_REGS (1 << 5) | |
56 | #define STEP_PROGRAM_REGS (1 << 6) | |
57 | #define STEP_ALL 0xFFF | |
58 | ||
6f5e1dc5 | 59 | unsigned long long |
fc0c2b6f HW |
60 | fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step, |
61 | unsigned int size_only); | |
58e5e9af | 62 | |
6f5e1dc5 | 63 | const char *step_to_string(unsigned int step); |
58e5e9af | 64 | |
6f5e1dc5 | 65 | unsigned int compute_fsl_memctl_config_regs(const memctl_options_t *popts, |
58e5e9af KG |
66 | fsl_ddr_cfg_regs_t *ddr, |
67 | const common_timing_params_t *common_dimm, | |
68 | const dimm_params_t *dimm_parameters, | |
fc0c2b6f HW |
69 | unsigned int dbw_capacity_adjust, |
70 | unsigned int size_only); | |
6f5e1dc5 YS |
71 | unsigned int compute_lowest_common_dimm_parameters( |
72 | const dimm_params_t *dimm_params, | |
73 | common_timing_params_t *outpdimm, | |
74 | unsigned int number_of_dimms); | |
0dd38a35 | 75 | unsigned int populate_memctl_options(int all_dimms_registered, |
58e5e9af | 76 | memctl_options_t *popts, |
dfb49108 | 77 | dimm_params_t *pdimm, |
58e5e9af | 78 | unsigned int ctrl_num); |
6f5e1dc5 | 79 | void check_interleaving_options(fsl_ddr_info_t *pinfo); |
58e5e9af | 80 | |
6f5e1dc5 YS |
81 | unsigned int mclk_to_picos(unsigned int mclk); |
82 | unsigned int get_memory_clk_period_ps(void); | |
83 | unsigned int picos_to_mclk(unsigned int picos); | |
84 | void fsl_ddr_set_lawbar( | |
85 | const common_timing_params_t *memctl_common_params, | |
86 | unsigned int memctl_interleaved, | |
87 | unsigned int ctrl_num); | |
88 | ||
e8ba6c50 JY |
89 | int fsl_ddr_interactive_env_var_exists(void); |
90 | unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo, int var_is_set); | |
6f5e1dc5 YS |
91 | void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd, |
92 | unsigned int ctrl_num); | |
93 | ||
94 | int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); | |
95 | unsigned int check_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr); | |
96 | ||
97 | /* processor specific function */ | |
98 | void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, | |
c63e1370 | 99 | unsigned int ctrl_num, int step); |
1b3e3c4f YS |
100 | |
101 | /* board specific function */ | |
102 | int fsl_ddr_get_dimm_params(dimm_params_t *pdimm, | |
103 | unsigned int controller_number, | |
104 | unsigned int dimm_number); | |
58e5e9af | 105 | #endif |