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Linux kernel mirror (for testing)
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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
23struct 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
47struct 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
55struct 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
63struct gen_pool;
64
65int ti_emif_copy_pm_function_table(struct gen_pool *sram_pool, void *dst);
66int ti_emif_get_mem_type(void);
67
68#endif
69#endif /* __LINUX_TI_EMIF_H */