| Caesar Wang | a845690 | 2016-10-27 01:12:34 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __SOC_ROCKCHIP_RK3399_DFS_H__ |
| 32 | #define __SOC_ROCKCHIP_RK3399_DFS_H__ |
| 33 | |
| 34 | struct rk3399_sdram_default_config { |
| 35 | unsigned char bl; |
| 36 | /* 1:auto precharge, 0:never auto precharge */ |
| 37 | unsigned char ap; |
| 38 | /* dram driver strength */ |
| 39 | unsigned char dramds; |
| 40 | /* dram ODT, if odt=0, this parameter invalid */ |
| 41 | unsigned char dramodt; |
| 42 | /* ca ODT, if odt=0, this parameter invalid |
| 43 | * only used by LPDDR4 |
| 44 | */ |
| 45 | unsigned char caodt; |
| 46 | unsigned char burst_ref_cnt; |
| 47 | /* zqcs period, unit(s) */ |
| 48 | unsigned char zqcsi; |
| 49 | }; |
| 50 | |
| Caesar Wang | a845690 | 2016-10-27 01:12:34 +0800 | [diff] [blame] | 51 | struct drv_odt_lp_config { |
| Caesar Wang | a845690 | 2016-10-27 01:12:34 +0800 | [diff] [blame] | 52 | uint32_t pd_idle; |
| 53 | uint32_t sr_idle; |
| 54 | uint32_t sr_mc_gate_idle; |
| 55 | uint32_t srpd_lite_idle; |
| 56 | uint32_t standby_idle; |
| Derek Basehore | ff461d0 | 2016-10-20 20:46:43 -0700 | [diff] [blame] | 57 | uint32_t odt_en; |
| Caesar Wang | a845690 | 2016-10-27 01:12:34 +0800 | [diff] [blame] | 58 | |
| 59 | uint32_t dram_side_drv; |
| 60 | uint32_t dram_side_dq_odt; |
| 61 | uint32_t dram_side_ca_odt; |
| Caesar Wang | a845690 | 2016-10-27 01:12:34 +0800 | [diff] [blame] | 62 | }; |
| 63 | |
| Caesar Wang | a845690 | 2016-10-27 01:12:34 +0800 | [diff] [blame] | 64 | uint32_t ddr_set_rate(uint32_t hz); |
| 65 | uint32_t ddr_round_rate(uint32_t hz); |
| 66 | uint32_t ddr_get_rate(void); |
| Derek Basehore | ff461d0 | 2016-10-20 20:46:43 -0700 | [diff] [blame] | 67 | uint32_t dram_set_odt_pd(uint32_t arg0, uint32_t arg1, uint32_t arg2); |
| 68 | void dram_dfs_init(void); |
| Derek Basehore | e13bc54 | 2017-02-24 14:31:36 +0800 | [diff] [blame] | 69 | void ddr_prepare_for_sys_suspend(void); |
| 70 | void ddr_prepare_for_sys_resume(void); |
| 71 | |
| Caesar Wang | a845690 | 2016-10-27 01:12:34 +0800 | [diff] [blame] | 72 | #endif |