2 * TI AM33XX EMIF Routines
4 * Copyright (C) 2016-2017 Texas Instruments Inc.
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation version 2.
11 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
12 * kind, whether express or implied; without even the implied warranty
13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 #ifndef __LINUX_TI_EMIF_H
17 #define __LINUX_TI_EMIF_H
19 #include <linux/kbuild.h>
20 #include <linux/types.h>
23 struct emif_regs_amx3
{
28 u32 emif_ref_ctrl_val
;
31 u32 emif_pmcr_shdw_val
;
32 u32 emif_rd_wr_level_ramp_ctrl
;
33 u32 emif_rd_wr_exec_thresh
;
35 u32 emif_priority_to_cos_mapping
;
36 u32 emif_connect_id_serv_1_map
;
37 u32 emif_connect_id_serv_2_map
;
38 u32 emif_ocp_config_val
;
39 u32 emif_lpddr2_nvm_tim
;
40 u32 emif_lpddr2_nvm_tim_shdw
;
41 u32 emif_dll_calib_ctrl_val
;
42 u32 emif_dll_calib_ctrl_val_shdw
;
43 u32 emif_ddr_phy_ctlr_1
;
44 u32 emif_ext_phy_ctrl_vals
[120];
47 struct ti_emif_pm_data
{
48 void __iomem
*ti_emif_base_addr_virt
;
49 phys_addr_t ti_emif_base_addr_phys
;
50 unsigned long ti_emif_sram_config
;
51 struct emif_regs_amx3
*regs_virt
;
52 phys_addr_t regs_phys
;
53 } __packed
__aligned(8);
55 struct ti_emif_pm_functions
{
62 } __packed
__aligned(8);
64 static inline void ti_emif_asm_offsets(void)
66 DEFINE(EMIF_SDCFG_VAL_OFFSET
,
67 offsetof(struct emif_regs_amx3
, emif_sdcfg_val
));
68 DEFINE(EMIF_TIMING1_VAL_OFFSET
,
69 offsetof(struct emif_regs_amx3
, emif_timing1_val
));
70 DEFINE(EMIF_TIMING2_VAL_OFFSET
,
71 offsetof(struct emif_regs_amx3
, emif_timing2_val
));
72 DEFINE(EMIF_TIMING3_VAL_OFFSET
,
73 offsetof(struct emif_regs_amx3
, emif_timing3_val
));
74 DEFINE(EMIF_REF_CTRL_VAL_OFFSET
,
75 offsetof(struct emif_regs_amx3
, emif_ref_ctrl_val
));
76 DEFINE(EMIF_ZQCFG_VAL_OFFSET
,
77 offsetof(struct emif_regs_amx3
, emif_zqcfg_val
));
78 DEFINE(EMIF_PMCR_VAL_OFFSET
,
79 offsetof(struct emif_regs_amx3
, emif_pmcr_val
));
80 DEFINE(EMIF_PMCR_SHDW_VAL_OFFSET
,
81 offsetof(struct emif_regs_amx3
, emif_pmcr_shdw_val
));
82 DEFINE(EMIF_RD_WR_LEVEL_RAMP_CTRL_OFFSET
,
83 offsetof(struct emif_regs_amx3
, emif_rd_wr_level_ramp_ctrl
));
84 DEFINE(EMIF_RD_WR_EXEC_THRESH_OFFSET
,
85 offsetof(struct emif_regs_amx3
, emif_rd_wr_exec_thresh
));
86 DEFINE(EMIF_COS_CONFIG_OFFSET
,
87 offsetof(struct emif_regs_amx3
, emif_cos_config
));
88 DEFINE(EMIF_PRIORITY_TO_COS_MAPPING_OFFSET
,
89 offsetof(struct emif_regs_amx3
, emif_priority_to_cos_mapping
));
90 DEFINE(EMIF_CONNECT_ID_SERV_1_MAP_OFFSET
,
91 offsetof(struct emif_regs_amx3
, emif_connect_id_serv_1_map
));
92 DEFINE(EMIF_CONNECT_ID_SERV_2_MAP_OFFSET
,
93 offsetof(struct emif_regs_amx3
, emif_connect_id_serv_2_map
));
94 DEFINE(EMIF_OCP_CONFIG_VAL_OFFSET
,
95 offsetof(struct emif_regs_amx3
, emif_ocp_config_val
));
96 DEFINE(EMIF_LPDDR2_NVM_TIM_OFFSET
,
97 offsetof(struct emif_regs_amx3
, emif_lpddr2_nvm_tim
));
98 DEFINE(EMIF_LPDDR2_NVM_TIM_SHDW_OFFSET
,
99 offsetof(struct emif_regs_amx3
, emif_lpddr2_nvm_tim_shdw
));
100 DEFINE(EMIF_DLL_CALIB_CTRL_VAL_OFFSET
,
101 offsetof(struct emif_regs_amx3
, emif_dll_calib_ctrl_val
));
102 DEFINE(EMIF_DLL_CALIB_CTRL_VAL_SHDW_OFFSET
,
103 offsetof(struct emif_regs_amx3
, emif_dll_calib_ctrl_val_shdw
));
104 DEFINE(EMIF_DDR_PHY_CTLR_1_OFFSET
,
105 offsetof(struct emif_regs_amx3
, emif_ddr_phy_ctlr_1
));
106 DEFINE(EMIF_EXT_PHY_CTRL_VALS_OFFSET
,
107 offsetof(struct emif_regs_amx3
, emif_ext_phy_ctrl_vals
));
108 DEFINE(EMIF_REGS_AMX3_SIZE
, sizeof(struct emif_regs_amx3
));
112 DEFINE(EMIF_PM_BASE_ADDR_VIRT_OFFSET
,
113 offsetof(struct ti_emif_pm_data
, ti_emif_base_addr_virt
));
114 DEFINE(EMIF_PM_BASE_ADDR_PHYS_OFFSET
,
115 offsetof(struct ti_emif_pm_data
, ti_emif_base_addr_phys
));
116 DEFINE(EMIF_PM_CONFIG_OFFSET
,
117 offsetof(struct ti_emif_pm_data
, ti_emif_sram_config
));
118 DEFINE(EMIF_PM_REGS_VIRT_OFFSET
,
119 offsetof(struct ti_emif_pm_data
, regs_virt
));
120 DEFINE(EMIF_PM_REGS_PHYS_OFFSET
,
121 offsetof(struct ti_emif_pm_data
, regs_phys
));
122 DEFINE(EMIF_PM_DATA_SIZE
, sizeof(struct ti_emif_pm_data
));
126 DEFINE(EMIF_PM_SAVE_CONTEXT_OFFSET
,
127 offsetof(struct ti_emif_pm_functions
, save_context
));
128 DEFINE(EMIF_PM_RESTORE_CONTEXT_OFFSET
,
129 offsetof(struct ti_emif_pm_functions
, restore_context
));
130 DEFINE(EMIF_PM_RUN_HW_LEVELING
,
131 offsetof(struct ti_emif_pm_functions
, run_hw_leveling
));
132 DEFINE(EMIF_PM_ENTER_SR_OFFSET
,
133 offsetof(struct ti_emif_pm_functions
, enter_sr
));
134 DEFINE(EMIF_PM_EXIT_SR_OFFSET
,
135 offsetof(struct ti_emif_pm_functions
, exit_sr
));
136 DEFINE(EMIF_PM_ABORT_SR_OFFSET
,
137 offsetof(struct ti_emif_pm_functions
, abort_sr
));
138 DEFINE(EMIF_PM_FUNCTIONS_SIZE
, sizeof(struct ti_emif_pm_functions
));
143 int ti_emif_copy_pm_function_table(struct gen_pool
*sram_pool
, void *dst
);
144 int ti_emif_get_mem_type(void);
147 #endif /* __LINUX_TI_EMIF_H */