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STM32F0 RCC #1

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STM32F0 RCC #1

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2dad5d4
WIP
SHONG0504 Mar 12, 2026
568b66f
Merge branch 'master' into stm32f0_rcc
SHONG0504 Mar 12, 2026
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89 changes: 89 additions & 0 deletions src/Emulator/Peripherals/Peripherals/Miscellaneous/STM32F0_RCC.cs
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using System.Collections.Generic;

using Antmicro.Renode.Core;
using Antmicro.Renode.Core.Structure.Registers;
using Antmicro.Renode.Peripherals.Bus;
using Antmicro.Renode.Peripherals.Timers;

namespace Antmicro.Renode.Peripherals.Miscellaneous
{
[AllowedTranslations(AllowedTranslation.ByteToDoubleWord | AllowedTranslation.WordToDoubleWord)]
public sealed class STM32F0_RCC : IDoubleWordPeripheral, IKnownSize, IProvidesRegisterCollection<DoubleWordRegisterCollection>
{
public STM32F0_RCC(IMachine machine)
{
var registersMap = new Dictionary<long, DoubleWordRegister>
{
{(long)Registers.RCC_CR, new DoubleWordRegister(this, 0x00000083) // 0x0000XX83
.WithFlag(0, out var hsion, name: "HSION")
.WithFlag(1, FieldMode.Read, valueProviderCallback: _ => hsion.Value, name: "HSIRDY")
.WithReservedBits(2, 1)
.WithValueField(3, 5, out var hsitrim, name: "HSITRIM")
.WithTag("HSICAL", 8, 8)
.WithFlag(16, out var hseon, name: "HSEON")
.WithFlag(17, FieldMode.Read, valueProviderCallback: _ => hseon.Value, name: "HSERDY")
.WithTag("HSEBYP", 18, 1)
.WithTag("CSSON", 19, 1)
.WithReservedBits(20, 4)
.WithFlag(24, out var pllon, name: "PLLON")
.WithFlag(25, FieldMode.Read, valueProviderCallback: _ => pllon.Value, name: "PLLRDY")
.WithReservedBits(26, 6)
},
{(long)Registers.RCC_CFGR, new DoubleWordRegister(this, 0x00000000)
},
{(long)Registers.RCC_CIR, new DoubleWordRegister(this, 0x00000000)
},
{(long)Registers.RCC_APB2RSTR, new DoubleWordRegister(this, 0x00000000)
},
{(long)Registers.RCC_APB1RSTR, new DoubleWordRegister(this, 0x00000000)
},
{(long)Registers.RCC_AHBENR, new DoubleWordRegister(this, 0x00000014)
},
{(long)Registers.RCC_APB2ENR, new DoubleWordRegister(this, 0x00000000)
},
{(long)Registers.RCC_APB1ENR, new DoubleWordRegister(this, 0x00000000)
},
{(long)Registers.RCC_BDCR, new DoubleWordRegister(this, 0x00000018)
},
};
RegistersCollection = new DoubleWordRegisterCollection(this, registersMap);
}

public uint ReadDoubleWord(long offset)
{
return RegistersCollection.Read(offset);
}

public void WriteDoubleWord(long offset, uint value)
{
RegistersCollection.Write(offset, value);
}

public void Reset()
{
RegistersCollection.Reset();
}

public long Size => 0x400; // 1kB

public DoubleWordRegisterCollection RegistersCollection { get; }

private enum Registers
{
RCC_CR = 0x00,
RCC_CFGR = 0x04,
RCC_CIR = 0x08,
RCC_APB2RSTR = 0x0C,
RCC_APB1RSTR = 0x10,
RCC_AHBENR = 0x14,
RCC_APB2ENR = 0x18,
RCC_APB1ENR = 0x1C,
RCC_BDCR = 0x20,
RCC_CSR = 0x24,
RCC_AHBRSTR = 0x28,
RCC_CFGR2 = 0x2C,
RCC_CFGR3 = 0x30,
RCC_CR2 = 0x34
}
}
}
1 change: 1 addition & 0 deletions src/Emulator/Peripherals/Peripherals/Miscellaneous/STM32F4_RCC.cs
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Expand Up @@ -34,6 +34,7 @@ public STM32F4_RCC(IMachine machine, STM32F4_RTC rtcPeripheral)
// peripherals or their clocks.
var registersMap = new Dictionary<long, DoubleWordRegister>
{
// Possible bug? Reset value is 0x0000XX83 for STM32F405/407/415/417/42x/43x and 0x0000XX81 for STM32F401 but is being set to 0x483 here
{(long)Registers.ClockControl, new DoubleWordRegister(this, 0x483)
.WithFlag(0, out var hsion, name: "HSION")
.WithFlag(1, FieldMode.Read, valueProviderCallback: _ => hsion.Value, name: "HSIRDY")
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20 changes: 20 additions & 0 deletions src/Emulator/Peripherals/Peripherals/Timers/STM32F0_RTC.cs
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using System;
using System.Collections.Generic;

using Antmicro.Renode.Core;
using Antmicro.Renode.Core.Structure.Registers;
using Antmicro.Renode.Logging;
using Antmicro.Renode.Peripherals.Bus;
using Antmicro.Renode.Time;
using Antmicro.Renode.Utilities;

// namespace Antmicro.Renode.Peripherals.Timers
// {
// public class STM32F0_RTC : IDoubleWordPeripheral, IKnownSize
// {
// public STM32F0_RTC(IMachine machine, ulong wakeupTimerFrequency = DefaultWakeupTimerFrequency)
// {

// }
// }
// }
2 changes: 2 additions & 0 deletions src/Infrastructure.csproj
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Expand Up @@ -817,6 +817,7 @@
<Compile Include="Emulator/Peripherals/Peripherals/Timers/SunxiTimer.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/Timers/TexasInstrumentsTimer.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/IRQControllers/AINTC.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/Timers/STM32F0_RTC.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/Timers/STM32F4_RTC.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/Miscellaneous/BitBanding.cs">
<DependentUpon>BitBanding.tt</DependentUpon>
Expand Down Expand Up @@ -995,6 +996,7 @@
<Compile Include="Emulator/Peripherals/Peripherals/UART/NRF54H20_UARTE.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/ATAPI/ATAPI.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/ATAPI/CDROM.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/Miscellaneous/STM32F0_RCC.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/Miscellaneous/STM32F4_RCC.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/Miscellaneous/NRF_CLOCK.cs" />
<Compile Include="Emulator/Peripherals/Peripherals/Miscellaneous/NRF54L_CLOCK.cs" />
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