1 // 2 // Copyright (c) 2010-2023 Antmicro 3 // 4 // This file is licensed under the MIT License. 5 // Full license text is available in 'licenses/MIT.txt'. 6 // 7 using System.Collections.Generic; 8 using Antmicro.Renode.Peripherals.Bus; 9 using Antmicro.Renode.Core.Structure.Registers; 10 using Antmicro.Renode.Core; 11 using Antmicro.Renode.Time; 12 13 namespace Antmicro.Renode.Peripherals.Timers 14 { 15 public class OMAP_Timer : LimitTimer, IDoubleWordPeripheral, IKnownSize 16 { OMAP_Timer(IMachine machine, long frequency)17 public OMAP_Timer(IMachine machine, long frequency) : base(machine.ClockSource, frequency, direction: Direction.Ascending, limit: uint.MaxValue) 18 { 19 var registersMap = new Dictionary<long, DoubleWordRegister> 20 { 21 {(long)Registers.Tidr, new DoubleWordRegister(this, 0x40000100) 22 .WithTag("Y_MINOR", 0, 6) 23 .WithTag("CUSTOM", 6, 2) 24 .WithTag("X_MAJOR", 8, 3) 25 .WithTag("R_RTL", 11, 5) 26 .WithTag("FUNC", 16, 12) 27 .WithReservedBits(28, 2) 28 .WithTag("SCHEME", 30, 2) 29 }, 30 {(long)Registers.TiocpCfg, new DoubleWordRegister(this) 31 .WithTaggedFlag("SOFTRESET", 0) 32 .WithTaggedFlag("EMUFREE", 1) 33 .WithTag("IDLEMODE", 2, 2) 34 .WithReservedBits(4, 28) 35 }, 36 {(long)Registers.Tier, new DoubleWordRegister(this) 37 .WithTaggedFlag("DMAEvent_Ack", 0) 38 }, 39 {(long)Registers.Tistatr, new DoubleWordRegister(this) 40 .WithTaggedFlag("MAT_IT_FLAG", 0) 41 .WithTaggedFlag("OVF_IT_FLAG", 1) 42 .WithTaggedFlag("TCAR_IT_FLAG", 2) 43 .WithReservedBits(3, 29) 44 }, 45 {(long)Registers.Tistat, new DoubleWordRegister(this) 46 .WithTaggedFlag("MAT_IT_FLAG", 0) 47 .WithTaggedFlag("OVF_IT_FLAG", 1) 48 .WithTaggedFlag("TCAR_IT_FLAG", 2) 49 .WithReservedBits(3, 29) 50 }, 51 {(long)Registers.Tisr, new DoubleWordRegister(this) 52 .WithTaggedFlag("MAT_EN_FLAG", 0) 53 .WithTaggedFlag("OVF_EN_FLAG", 1) 54 .WithTaggedFlag("TCAR_EN_FLAG", 2) 55 .WithReservedBits(3, 29) 56 }, 57 {(long)Registers.Tcicr, new DoubleWordRegister(this) 58 .WithTaggedFlag("MAT_EN_FLAG", 0) 59 .WithTaggedFlag("OVF_EN_FLAG", 1) 60 .WithTaggedFlag("TCAR_EN_FLAG", 2) 61 .WithReservedBits(3, 29) 62 }, 63 {(long)Registers.Twer, new DoubleWordRegister(this) 64 .WithTaggedFlag("MAT_WUP_ENA", 0) 65 .WithTaggedFlag("OVF_WUP_ENA", 1) 66 .WithTaggedFlag("TCAR_WUP_ENA", 2) 67 .WithReservedBits(3, 29) 68 }, 69 {(long)Registers.Tclr, new DoubleWordRegister(this, 0x38) 70 .WithFlag(0, valueProviderCallback: _ => Enabled, 71 writeCallback: (_, value) => Enabled = value, name: "ST") 72 .WithFlag(1, valueProviderCallback: _ => AutoUpdate, 73 writeCallback: (_, value) => AutoUpdate = value, name: "AR") 74 .WithTag("PTV", 2, 3) 75 .WithTaggedFlag("PRE", 5) 76 .WithTaggedFlag("CE", 6) 77 .WithTaggedFlag("SCPWM", 7) 78 .WithTag("TCM", 8, 2) 79 .WithTag("TRG", 10, 2) 80 .WithTaggedFlag("PT", 12) 81 .WithTaggedFlag("CAPT_MODE", 13) 82 .WithTaggedFlag("GPO_CFG", 14) 83 .WithReservedBits(15, 17) 84 }, 85 {(long)Registers.Tcrr, new DoubleWordRegister(this) 86 .WithValueField(0, 32, valueProviderCallback: _ => 87 { 88 if(machine.SystemBus.TryGetCurrentCPU(out var cpu)) 89 { 90 cpu.SyncTime(); 91 } 92 return (uint)Value; 93 }, writeCallback: (_, value) => Value = value, name: "TCRR") 94 }, 95 {(long)Registers.Tldr, new DoubleWordRegister(this) 96 .WithTag("LOAD_VALUE", 0, 32) 97 }, 98 {(long)Registers.Ttgr, new DoubleWordRegister(this, 0xffffffff) 99 .WithTag("TTGR_VALUE", 0, 32) 100 }, 101 {(long)Registers.Twps, new DoubleWordRegister(this) 102 .WithTaggedFlag("W_PEND_TCLR", 0) 103 .WithTaggedFlag("W_PEND_TCRR", 1) 104 .WithTaggedFlag("W_PEND_TLDR", 2) 105 .WithTaggedFlag("W_PEND_TTGR", 3) 106 .WithTaggedFlag("W_PEND_TMAR", 4) 107 .WithReservedBits(5, 27) 108 }, 109 {(long)Registers.Tmar, new DoubleWordRegister(this) 110 .WithTag("COMPARE_VALUE", 0, 32) 111 }, 112 {(long)Registers.Tcar1, new DoubleWordRegister(this) 113 .WithTag("CAPTURED", 0, 32) 114 }, 115 {(long)Registers.Tsicr, new DoubleWordRegister(this) 116 .WithReservedBits(0, 1) 117 .WithTaggedFlag("SFT", 1) 118 .WithTaggedFlag("POSTED", 2) 119 .WithReservedBits(3, 29) 120 }, 121 {(long)Registers.Tcar2, new DoubleWordRegister(this) 122 .WithTag("CAPTURED", 0, 32) 123 }, 124 }; 125 registers = new DoubleWordRegisterCollection(this, registersMap); 126 } 127 ReadDoubleWord(long offset)128 public uint ReadDoubleWord(long offset) 129 { 130 return registers.Read(offset); 131 } 132 WriteDoubleWord(long offset, uint value)133 public void WriteDoubleWord(long offset, uint value) 134 { 135 registers.Write(offset, value); 136 } 137 Reset()138 public override void Reset() 139 { 140 base.Reset(); 141 registers.Reset(); 142 } 143 144 public long Size => 0x100; 145 146 private readonly DoubleWordRegisterCollection registers; 147 148 private enum Registers : long 149 { 150 Tidr = 0x00, 151 // gap 152 TiocpCfg = 0x10, 153 // gap 154 Tier = 0x20, 155 Tistatr = 0x24, 156 Tistat = 0x28, 157 Tisr = 0x2c, 158 Tcicr = 0x30, 159 Twer = 0x34, 160 Tclr = 0x38, 161 Tcrr = 0x3c, 162 Tldr = 0x40, 163 Ttgr = 0x44, 164 Twps = 0x48, 165 Tmar = 0x4c, 166 Tcar1 = 0x50, 167 Tsicr = 0x54, 168 Tcar2 = 0x58, 169 } 170 } 171 } 172
