1 /* 2 * Copyright (c) 2015 Google, Inc 3 * 4 * Copyright 2014 Rockchip Inc. 5 * 6 * SPDX-License-Identifier: GPL-2.0 7 */ 8 9 #ifndef _ASM_ARCH_RK3288_SDRAM_H__ 10 #define _ASM_ARCH_RK3288_SDRAM_H__ 11 12 enum { 13 DDR3 = 3, 14 LPDDR3 = 6, 15 UNUSED = 0xFF, 16 }; 17 18 struct rk3288_sdram_channel { 19 u8 rank; 20 u8 col; 21 u8 bk; 22 u8 bw; 23 u8 dbw; 24 u8 row_3_4; 25 u8 cs0_row; 26 u8 cs1_row; 27 }; 28 29 struct rk3288_sdram_pctl_timing { 30 u32 togcnt1u; 31 u32 tinit; 32 u32 trsth; 33 u32 togcnt100n; 34 u32 trefi; 35 u32 tmrd; 36 u32 trfc; 37 u32 trp; 38 u32 trtw; 39 u32 tal; 40 u32 tcl; 41 u32 tcwl; 42 u32 tras; 43 u32 trc; 44 u32 trcd; 45 u32 trrd; 46 u32 trtp; 47 u32 twr; 48 u32 twtr; 49 u32 texsr; 50 u32 txp; 51 u32 txpdll; 52 u32 tzqcs; 53 u32 tzqcsi; 54 u32 tdqs; 55 u32 tcksre; 56 u32 tcksrx; 57 u32 tcke; 58 u32 tmod; 59 u32 trstl; 60 u32 tzqcl; 61 u32 tmrr; 62 u32 tckesr; 63 u32 tdpd; 64 }; 65 check_member(rk3288_sdram_pctl_timing, tdpd, 0x144 - 0xc0); 66 67 struct rk3288_sdram_phy_timing { 68 u32 dtpr0; 69 u32 dtpr1; 70 u32 dtpr2; 71 u32 mr[4]; 72 }; 73 74 struct rk3288_base_params { 75 u32 noc_timing; 76 u32 noc_activate; 77 u32 ddrconfig; 78 u32 ddr_freq; 79 u32 dramtype; 80 u32 stride; 81 u32 odt; 82 }; 83 84 struct rk3288_sdram_params { 85 struct rk3288_sdram_channel ch[2]; 86 struct rk3288_sdram_pctl_timing pctl_timing; 87 struct rk3288_sdram_phy_timing phy_timing; 88 struct rk3288_base_params base; 89 int num_channels; 90 }; 91 92 #endif 93