peripherals: add rtc/i2c/pwdet combo block

This undocumented block appears to do something important, but we just
need to report that i2c is locked.

Signed-off-by: Sean Cross <sean@xobs.io>

badge.repl

@@ -37,6 +37,8 @@ uart0: UART.ESP32_UART @ sysbus 0x60000000
 uart1: UART.ESP32_UART @ sysbus 0x60010000
 extmem: Miscellaneous.ESP32S3_EXTMEM @ sysbus 0x600C4000
 gpio: GPIOPort.ESP32S3_GPIO @ sysbus 0x60004000
+rtc_i2c_pwdet: Miscellaneous.ESP32S3_RTC_I2C_PWDET @ sysbus 0x6000e000
+rtc_cntl: Miscellaneous.ESP32S3_RTC_CNTL @ sysbus 0x60008000
 
 //spi1: SPI.ESP32_SPIController @ sysbus 0x60002000
 
@@ -44,9 +46,6 @@ gpio: GPIOPort.ESP32S3_GPIO @ sysbus 0x60004000
 efuse: Memory.MappedMemory @ sysbus 0x60007000
     size: 0x1000
 
-// RTC Control
-rtc_cntl: Miscellaneous.ESP32S3_RTC_CNTL @ sysbus 0x60008000
-
 sysbus:
     init:
         ApplySVD @esp32s3.svd

badge.resc

@@ -10,6 +10,7 @@ i @peripherals/ESP32_UART.cs
 i @peripherals/ESP32S3_EXTMEM.cs
 i @peripherals/ESP32S3_GPIO.cs
 i @peripherals/ESP32S3_RTC_CNTL.cs
+i @peripherals/ESP32S3_RTC_I2C_PWDET.cs
 
 using sysbus
 
@@ -37,7 +38,7 @@ sysbus LoadBinary @esp32s3-drom.bin 0x3FF00000
 sysbus LoadELF @bootloader.elf
 #copy_bootrom_data
 setup_hooks sysbus.cpu
-sysbus WriteDoubleWord 0x600c40a0 0x8
+#sysbus WriteDoubleWord 0x600c40a0 0x8
 cpu PC 0x40000400
 """
 
@@ -110,72 +111,11 @@ def mc_setup_hooks(cpu):
         # write address already loaded software bootloader to register
         self.Machine.SystemBus.WriteDoubleWord(0x3fcedf14, 0x403c9908)
 
-    @hook(0x403cf295)
-    def hook_set_i2c_ctrl(cpu, pc):
-        log("set i2c ctrl", *args())
-        # write address of i2c sysreg control register
-        self.Machine.SystemBus.WriteDoubleWord(0x403ccb14, 0x600C0018)
-
-    @hook(0x403c99f1)
-    def hook_cache_hal_init(cpu, pc):
-        log("cache_hal_init", *args())
-        cpu.PC = RegisterValue.Create(0x403c99f4,32)
-
-    @hook (0x403cd59c)
-    def hook_cache_hal_disable(cpu, pc):
-        log("cache_hal_disable", *args())
-        cpu.PC = RegisterValue.Create(0x403cd59f,32)
-
-    @hook (0x403cd5b7)
-    def hook_cache_hal_enable(cpu, pc):
-        log("cache_hal_enable", *args())
-        cpu.PC = RegisterValue.Create(0x403cd5ba,32)
-
-    @hook (0x403c9f6f)
-    def hook_cache_hal_disable2(cpu, pc):
-        log("cache_hal_disable2", *args())
-        cpu.PC = RegisterValue.Create(0x403c9f72,32)
-
-    @hook (0x403c9f94)
-    def hook_cache_hal_enable2(cpu, pc):
-        log("cache_hal_enable2", *args())
-        cpu.PC = RegisterValue.Create(0x403c9f97,32)
-
-    @hook (0x403cd4c8)
-    def hook_cache_hal_disable3(cpu, pc):
-        log("cache_hal_disable3", *args())
-        cpu.PC = RegisterValue.Create(0x403cd4cb,32)
-
-    @hook (0x403cd4e3)
-    def hook_cache_hal_enable3(cpu, pc):
-        log("cache_hal_enable3", *args())
-        cpu.PC = RegisterValue.Create(0x403cd4e6,32)
-
-    @hook (0x403cd50f)
-    def hook_cache_hal_disable4(cpu, pc):
-        log("cache_hal_disable4", *args())
-        cpu.PC = RegisterValue.Create(0x403cd512,32)
-
-    @hook (0x403cd8f1)
-    def hook_cache_hal_disable5(cpu, pc):
-        log("cache_hal_disable5", *args())
-        cpu.PC = RegisterValue.Create(0x403cd8f4,32)
-
-    @hook (0x403cd978)
-    def hook_cache_hal_enable4(cpu, pc):
-        log("cache_hal_enable4", *args())
-        cpu.PC = RegisterValue.Create(0x403cd97b,32)
-
     @hook(0x403c9a1c)
     def hook_cpu_rev_check(cpu, pc):
         log("cpu_rev_check", *args())
         cpu.PC = RegisterValue.Create(0x403c9a1f,32)
 
-    @hook (0x403c9a98)
-    def hook_skip_rng_init(cpu, pc):
-        log("skip_rng_init", *args())
-        cpu.PC = RegisterValue.Create(0x403c9a9b,32)
-
     @hook (0x403ce971)
     def hook_skip_part_size_check(cpu, pc):
         log("skip_part_size_check", *args())
@@ -185,104 +125,6 @@ def mc_setup_hooks(cpu):
     def hook_skip_flash_check(cpu, pc):
         log("skip_flash_check", *args())
         cpu.PC = RegisterValue.Create(0x403ce1b0,32)
-
-    @hook (0x403cd8c2)
-    def hook_skip_disable_rng(cpu, pc):
-        log("skip_disable_rng", *args())
-        cpu.PC = RegisterValue.Create(0x403cd8c5,32)
-
-    @hook (0x403cd917)
-    def hook_skip_hal_map_region(cpu, pc):
-        log("skip_hal_map_region", *args())
-        cpu.PC = RegisterValue.Create(0x403cd91a,32)
-
-    @hook (0x403cd933)
-    def hook_skip_hal_map_region2(cpu, pc):
-        log("skip_hal_map_region2", *args())
-        cpu.PC = RegisterValue.Create(0x403cd936,32)
-
-#    @hook (0x403cd93c)
-#    def hook_skip_cache_setup(cpu, pc):
-#        log("skip_cache_setup", *args())
-#        cpu.PC = RegisterValue.Create(0x403cd97b,32)
-
-    @hook (0x403cd8eb)
-    def hook_image_entry_addr(cpu, pc):
-        log("image_entry_addr", *args())
-        set(A9, 0x42004834)
-
-    @hook (0x4209ec01)
-    def hook_skip_esp_log_write(cpu, pc):
-        log("skip_esp_log_write", *args())
-        cpu.PC = RegisterValue.Create(0x4209ec04,32)
-        self.Machine.SystemBus.WriteDoubleWord(0x3fcaa5e8, 0x1)
-
-    @hook (0x4202c611)
-    def hook_skip_esp_log_write2(cpu, pc):
-        log("skip_esp_log_write2", *args())
-        cpu.PC = RegisterValue.Create(0x4202c614,32)
-
-    @hook (0x4209ec60)
-    def hook_skip_mem_check(cpu, pc):
-        log("skip_mem_check", *args())
-        cpu.PC = RegisterValue.Create(0x4209ec8c,32)
-
-    @hook (0x420049ba)
-    def hook_esp_systimer(cpu, pc):
-        log("esp_systimer", *args())
-        cpu.PC = RegisterValue.Create(0x420049bd,32)
-
-    @hook (0x420049c3)
-    def hook_esp_sysinit(cpu, pc):
-        log("esp_sysinit", *args())
-        cpu.PC = RegisterValue.Create(0x420049c6,32)
-
-    @hook (0x4037dfad)
-    def hook_spi_flash_chip_init(cpu, pc):
-        log("spi_flash_chip_init", *args())
-        cpu.PC = RegisterValue.Create(0x4037dfb0,32)
-
-    @hook (0x42004a67)
-    def hook_assert_func(cpu, pc):
-        log("assert_func", *args())
-        cpu.PC = RegisterValue.Create(0x42004a6a,32)
-
-    @hook (0x42008617)
-    def hook_timer_init(cpu, pc):
-        log("timer_init", *args())
-        set(A10, 0x0)
-        cpu.PC = RegisterValue.Create(0x4200861a,32)
-
-    @hook (0x40041a7c)
-    def hook_skip_us_delay(cpu, pc):
-        log("skip_us_delay", *args())
-        set(A2, get(A8))
-        cpu.PC = RegisterValue.Create(0x40041a7f,32)
-
-    @hook (0x42004aed)
-    def hook_delay_skip(cpu, pc):
-        log("delay_skip", *args())
-        cpu.PC = RegisterValue.Create(0x42004af0,32)
-
-    @hook (0x4038a615)
-    def hook_hal_timer(cpu, pc):
-        log("hal_timer", *args())
-        cpu.PC = RegisterValue.Create(0x42004b11,32)
-
-    @hook (0x4209ecda)
-    def hook_crosscore_init(cpu, pc):
-        log("crosscore_init", *args())
-        cpu.PC = RegisterValue.Create(0x4209ecdd,32)
-
-    @hook (0x40387f69)
-    def hook_port_setup_timer(cpu, pc):
-        log("port_setup_timer", *args())
-        cpu.PC = RegisterValue.Create(0x40387f6c,32)
-
-    @hook (0x40386c85)
-    def hook_timer_get_time(cpu, pc):
-        log("timer_get_time", *args())
-        cpu.PC = RegisterValue.Create(0x40386c88,32)
 """
 
 runMacro $reset

peripherals/ESP32S3_RTC_I2C_PWDET.cs

@@ -0,0 +1,99 @@
+//
+// Copyright (c) 2010-2023 Antmicro
+// Copyright (c) 2011-2015 Realtime Embedded
+//
+// This file is licensed under the MIT License.
+// Full license text is available in 'licenses/MIT.txt'.
+//
+using System;
+using Antmicro.Renode.Peripherals.Bus;
+using Antmicro.Renode.Core;
+using Antmicro.Renode.Peripherals;
+using Antmicro.Renode.Utilities;
+using Antmicro.Renode.Logging;
+using System.Collections.Generic;
+using Antmicro.Renode.Core.Structure.Registers;
+
+namespace Antmicro.Renode.Peripherals.Miscellaneous
+{
+    public class ESP32S3_RTC_I2C_PWDET : IBytePeripheral, IDoubleWordPeripheral, IKnownSize
+    {
+        public ESP32S3_RTC_I2C_PWDET(Machine machine)
+        {
+            var registersMap = new Dictionary<long, DoubleWordRegister>
+            {
+                {(long)Registers.I2C_MST_ANA_CONF0, new DoubleWordRegister(this)
+                    .WithFlag(2, FieldMode.Read | FieldMode.Write, name: "BBPLL_STOP_FORCE_HIGH")
+                    .WithFlag(3, FieldMode.Read | FieldMode.Write, name: "BBPLL_STOP_FORCE_LOW")
+                    .WithFlag(24, FieldMode.Read | FieldMode.Write, valueProviderCallback: (_) => true, name: "BBPLL_CAL_DONE")
+                },
+                // {(long)Registers.ANA_CONFIG, new DoubleWordRegister(this)
+                //     .WithValueField(0, 8, FieldMode.Read | FieldMode.Write, name: "CONFIG")
+                //     .WithFlag(17, FieldMode.Read | FieldMode.Write, name: "BBPLL")
+                //     .WithFlag(18, FieldMode.Read | FieldMode.Write, name: "SAR")
+                // },
+                // {(long)Registers.ANA_CONFIG2, new DoubleWordRegister(this)
+                //     .WithFlag(16, FieldMode.Read | FieldMode.Write, name: "SAR_CFG2")
+                // },
+                // {(long)Registers.PWDET_CONF, new DoubleWordRegister(this)
+                //     .WithFlag(6, FieldMode.Read | FieldMode.Write, name: "SAR_POWER_CNTL")
+                //     .WithFlag(7, FieldMode.Read | FieldMode.Write, name: "SAR_POWER_FORCE")
+                // },
+            };
+
+            registers = new DoubleWordRegisterCollection(this, registersMap);
+        }
+
+        public uint ReadDoubleWord(long offset)
+        {
+            return registers.Read(offset);
+        }
+
+        public byte ReadByte(long offset)
+        {
+            if (offset % 4 != 0)
+            {
+                // in the current configuration, only the lowest byte
+                // contains a meaningful data
+                return 0;
+            }
+            return (byte)ReadDoubleWord(offset);
+        }
+
+        public void Reset()
+        {
+            // base.Reset();
+            registers.Reset();
+
+            // UpdateInterrupts();
+        }
+
+        public void WriteDoubleWord(long offset, uint value)
+        {
+            registers.Write(offset, value);
+        }
+
+        public void WriteByte(long offset, byte value)
+        {
+            if (offset % 4 != 0)
+            {
+                // in the current configuration, only the lowest byte
+                // contains a meaningful data
+                return;
+            }
+
+            WriteDoubleWord(offset, value);
+        }
+
+        public long Size => 0x17C;
+        private readonly DoubleWordRegisterCollection registers;
+
+        private enum Registers : long
+        {
+            I2C_MST_ANA_CONF0 = 0x40,
+            ANA_CONFIG = 0x44,
+            ANA_CONFIG2 = 0x48,
+            PWDET_CONF = 0x60,
+        }
+    }
+}