| Dave Gerlach | 8428e5a | 2015-06-17 14:52:10 -0500 | [diff] [blame] | 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 enter_sr; |
| 59 | u32 exit_sr; |
| 60 | u32 abort_sr; |
| 61 | } __packed __aligned(8); |
| 62 | |
| 63 | struct gen_pool; |
| 64 | |
| 65 | int ti_emif_copy_pm_function_table(struct gen_pool *sram_pool, void *dst); |
| 66 | int ti_emif_get_mem_type(void); |
| 67 | |
| 68 | #endif |
| 69 | #endif /* __LINUX_TI_EMIF_H */ |