Merge branch 'spi-5.2' into spi-5.3
[linux-2.6-microblaze.git] / include / linux / ti-emif-sram.h
1 /*
2  * TI AM33XX EMIF Routines
3  *
4  * Copyright (C) 2016-2017 Texas Instruments Inc.
5  *      Dave Gerlach
6  *
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.
10  *
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.
15  */
16 #ifndef __LINUX_TI_EMIF_H
17 #define __LINUX_TI_EMIF_H
18
19 #include <linux/kbuild.h>
20 #include <linux/types.h>
21 #ifndef __ASSEMBLY__
22
23 struct emif_regs_amx3 {
24         u32 emif_sdcfg_val;
25         u32 emif_timing1_val;
26         u32 emif_timing2_val;
27         u32 emif_timing3_val;
28         u32 emif_ref_ctrl_val;
29         u32 emif_zqcfg_val;
30         u32 emif_pmcr_val;
31         u32 emif_pmcr_shdw_val;
32         u32 emif_rd_wr_level_ramp_ctrl;
33         u32 emif_rd_wr_exec_thresh;
34         u32 emif_cos_config;
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];
45 };
46
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);
54
55 struct ti_emif_pm_functions {
56         u32 save_context;
57         u32 restore_context;
58         u32 run_hw_leveling;
59         u32 enter_sr;
60         u32 exit_sr;
61         u32 abort_sr;
62 } __packed __aligned(8);
63
64 static inline void ti_emif_asm_offsets(void)
65 {
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));
109
110         BLANK();
111
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));
123
124         BLANK();
125
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));
139 }
140
141 struct gen_pool;
142
143 int ti_emif_copy_pm_function_table(struct gen_pool *sram_pool, void *dst);
144 int ti_emif_get_mem_type(void);
145
146 #endif
147 #endif /* __LINUX_TI_EMIF_H */