1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2019 Rockchip Electronics Co., Ltd 4 */ 5 6 #ifndef _ASM_ARCH_SDRAM_MSCH_H 7 #define _ASM_ARCH_SDRAM_MSCH_H 8 9 union noc_ddrtiminga0 { 10 u32 d32; 11 struct { 12 unsigned acttoact : 6; 13 unsigned reserved0 : 2; 14 unsigned rdtomiss : 6; 15 unsigned reserved1 : 2; 16 unsigned wrtomiss : 6; 17 unsigned reserved2 : 2; 18 unsigned readlatency : 8; 19 } b; 20 }; 21 22 union noc_ddrtimingb0 { 23 u32 d32; 24 struct { 25 unsigned rdtowr : 5; 26 unsigned reserved0 : 3; 27 unsigned wrtord : 5; 28 unsigned reserved1 : 3; 29 unsigned rrd : 4; 30 unsigned reserved2 : 4; 31 unsigned faw : 6; 32 unsigned reserved3 : 2; 33 } b; 34 }; 35 36 union noc_ddrtimingc0 { 37 u32 d32; 38 struct { 39 unsigned burstpenalty : 4; 40 unsigned reserved0 : 4; 41 unsigned wrtomwr : 6; 42 unsigned reserved1 : 18; 43 } b; 44 }; 45 46 union noc_ddrtimingl { 47 u32 d32; 48 struct { 49 unsigned ccdl : 3; 50 unsigned wrtordl : 5; 51 unsigned rrdl : 4; 52 unsigned reserved : 20; 53 } b; 54 }; 55 56 union noc_devtodev0 { 57 u32 d32; 58 struct { 59 unsigned busrdtord : 3; 60 unsigned reserved0 : 1; 61 unsigned busrdtowr : 3; 62 unsigned reserved1 : 1; 63 unsigned buswrtord : 3; 64 unsigned reserved2 : 1; 65 unsigned buswrtowr : 3; 66 unsigned reserved3 : 17; 67 } b; 68 }; 69 70 union noc_devtodev_rv1126 { 71 u32 d32; 72 struct { 73 unsigned busrdtord : 3; 74 unsigned reserved0 : 1; 75 unsigned busrdtowr : 4; 76 unsigned buswrtord : 4; 77 unsigned buswrtowr : 3; 78 unsigned reserved2 : 17; 79 } b; 80 }; 81 82 union noc_ddrmode { 83 u32 d32; 84 struct { 85 unsigned autoprecharge : 1; 86 unsigned bypassfiltering : 1; 87 unsigned fawbank : 1; 88 unsigned burstsize : 2; 89 unsigned mwrsize : 2; 90 unsigned reserved2 : 1; 91 unsigned forceorder : 8; 92 unsigned forceorderstate : 8; 93 unsigned reserved3 : 8; 94 } b; 95 }; 96 97 union noc_ddr4timing { 98 u32 d32; 99 struct { 100 unsigned ccdl : 3; 101 unsigned wrtordl : 5; 102 unsigned rrdl : 4; 103 unsigned reserved1 : 20; 104 } b; 105 }; 106 107 #endif 108