add esp32c5 support

src/esploader.ts

@@ -139,6 +139,10 @@ async function magic2Chip(magic: number): Promise<ROM | null> {
       const { ESP32C6ROM } = await import("./targets/esp32c6.js");
       return new ESP32C6ROM();
     }
+    case 0x1101406f: {
+      const { ESP32C5ROM } = await import("./targets/esp32c5.js");
+      return new ESP32C5ROM();
+    }
     case 0xd7b73e80: {
       const { ESP32H2ROM } = await import("./targets/esp32h2.js");
       return new ESP32H2ROM();

src/targets/esp32c5.ts

@@ -0,0 +1,141 @@
+import { ESPLoader } from "../esploader";
+import { ESP32C6ROM } from "./esp32c6";
+
+export class ESP32C5ROM extends ESP32C6ROM {
+  public CHIP_NAME = "ESP32-C5";
+  public IMAGE_CHIP_ID = 23;
+
+  public EFUSE_BASE = 0x600b4800;
+  public EFUSE_BLOCK1_ADDR = this.EFUSE_BASE + 0x044;
+  public MAC_EFUSE_REG = this.EFUSE_BASE + 0x044;
+
+  public EFUSE_RD_REG_BASE = this.EFUSE_BASE + 0x030; // BLOCK0 read base address
+
+  public EFUSE_PURPOSE_KEY0_REG = this.EFUSE_BASE + 0x34;
+  public EFUSE_PURPOSE_KEY0_SHIFT = 24;
+  public EFUSE_PURPOSE_KEY1_REG = this.EFUSE_BASE + 0x34;
+  public EFUSE_PURPOSE_KEY1_SHIFT = 28;
+  public EFUSE_PURPOSE_KEY2_REG = this.EFUSE_BASE + 0x38;
+  public EFUSE_PURPOSE_KEY2_SHIFT = 0;
+  public EFUSE_PURPOSE_KEY3_REG = this.EFUSE_BASE + 0x38;
+  public EFUSE_PURPOSE_KEY3_SHIFT = 4;
+  public EFUSE_PURPOSE_KEY4_REG = this.EFUSE_BASE + 0x38;
+  public EFUSE_PURPOSE_KEY4_SHIFT = 8;
+  public EFUSE_PURPOSE_KEY5_REG = this.EFUSE_BASE + 0x38;
+  public EFUSE_PURPOSE_KEY5_SHIFT = 12;
+
+  public EFUSE_DIS_DOWNLOAD_MANUAL_ENCRYPT_REG = this.EFUSE_RD_REG_BASE;
+  public EFUSE_DIS_DOWNLOAD_MANUAL_ENCRYPT = 1 << 20;
+
+  public EFUSE_SPI_BOOT_CRYPT_CNT_REG = this.EFUSE_BASE + 0x034;
+  public EFUSE_SPI_BOOT_CRYPT_CNT_MASK = 0x7 << 18;
+
+  public EFUSE_SECURE_BOOT_EN_REG = this.EFUSE_BASE + 0x038;
+  public EFUSE_SECURE_BOOT_EN_MASK = 1 << 20;
+
+  public IROM_MAP_START = 0x42000000;
+  public IROM_MAP_END = 0x42800000;
+  public DROM_MAP_START = 0x42800000;
+  public DROM_MAP_END = 0x43000000;
+
+  public PCR_SYSCLK_CONF_REG = 0x60096110;
+  public PCR_SYSCLK_XTAL_FREQ_V = 0x7f << 24;
+  public PCR_SYSCLK_XTAL_FREQ_S = 24;
+
+  public XTAL_CLK_DIVIDER = 1;
+
+  public UARTDEV_BUF_NO = 0x4085f51c; // Variable in ROM .bss which indicates the port in use
+
+  // Magic value for ESP32C5
+  public CHIP_DETECT_MAGIC_VALUE = [0x1101406f];
+
+  public FLASH_FREQUENCY = {
+    "80m": 0xf,
+    "40m": 0x0,
+    "20m": 0x2,
+  };
+
+  public MEMORY_MAP = [
+    [0x00000000, 0x00010000, "PADDING"],
+    [0x42800000, 0x43000000, "DROM"],
+    [0x40800000, 0x40860000, "DRAM"],
+    [0x40800000, 0x40860000, "BYTE_ACCESSIBLE"],
+    [0x4003a000, 0x40040000, "DROM_MASK"],
+    [0x40000000, 0x4003a000, "IROM_MASK"],
+    [0x42000000, 0x42800000, "IROM"],
+    [0x40800000, 0x40860000, "IRAM"],
+    [0x50000000, 0x50004000, "RTC_IRAM"],
+    [0x50000000, 0x50004000, "RTC_DRAM"],
+    [0x600fe000, 0x60100000, "MEM_INTERNAL2"],
+  ];
+
+  UF2_FAMILY_ID = 0xf71c0343;
+
+  EFUSE_MAX_KEY = 5;
+  KEY_PURPOSES = {
+    0: "USER/EMPTY",
+    1: "ECDSA_KEY",
+    2: "XTS_AES_256_KEY_1",
+    3: "XTS_AES_256_KEY_2",
+    4: "XTS_AES_128_KEY",
+    5: "HMAC_DOWN_ALL",
+    6: "HMAC_DOWN_JTAG",
+    7: "HMAC_DOWN_DIGITAL_SIGNATURE",
+    8: "HMAC_UP",
+    9: "SECURE_BOOT_DIGEST0",
+    10: "SECURE_BOOT_DIGEST1",
+    11: "SECURE_BOOT_DIGEST2",
+    12: "KM_INIT_KEY",
+  };
+
+  public async getPkgVersion(loader: ESPLoader): Promise<number> {
+    const numWord = 2;
+    return ((await loader.readReg(this.EFUSE_BLOCK1_ADDR + 4 * numWord)) >> 26) & 0x07;
+  }
+
+  public async getMinorChipVersion(loader: ESPLoader): Promise<number> {
+    const numWord = 2;
+    return ((await loader.readReg(this.EFUSE_BLOCK1_ADDR + 4 * numWord)) >> 0) & 0x0f;
+  }
+
+  public async getMajorChipVersion(loader: ESPLoader): Promise<number> {
+    const numWord = 2;
+    return ((await loader.readReg(this.EFUSE_BLOCK1_ADDR + 4 * numWord)) >> 4) & 0x03;
+  }
+
+  public async getChipDescription(loader: ESPLoader): Promise<string> {
+    const pkgVer = await this.getPkgVersion(loader);
+    let desc: string;
+    if (pkgVer === 0) {
+      desc = "ESP32-C6";
+    } else {
+      desc = "unknown ESP32-C6";
+    }
+    const majorRev = await this.getMajorChipVersion(loader);
+    const minorRev = await this.getMinorChipVersion(loader);
+    return `${desc} (revision v${majorRev}.${minorRev})`;
+  }
+
+  public async getCrystalFreq(loader: ESPLoader): Promise<number> {
+    // The crystal detection algorithm of ESP32/ESP8266
+    // works for ESP32-C5 as well.
+    const uartDiv = (await loader.readReg(this.UART_CLKDIV_REG)) & this.UART_CLKDIV_MASK;
+    const etsXtal = (loader.transport.baudrate * uartDiv) / 1000000 / this.XTAL_CLK_DIVIDER;
+    let normXtal;
+    if (etsXtal > 33) {
+      normXtal = 40;
+    } else {
+      normXtal = 26;
+    }
+    if (Math.abs(normXtal - etsXtal) > 1) {
+      loader.info("WARNING: Unsupported crystal in use");
+    }
+    return normXtal;
+  }
+
+  public async getCrystalFreqRomExpect(loader: ESPLoader) {
+    return (
+      ((await loader.readReg(this.PCR_SYSCLK_CONF_REG)) & this.PCR_SYSCLK_XTAL_FREQ_V) >> this.PCR_SYSCLK_XTAL_FREQ_S
+    );
+  }
+}

src/targets/stub_flasher/stub_flasher_32c5.json

@@ -0,0 +1,8 @@
+{
+  "entry": 1082132164,
+  "text": 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+  "text_start": 1082130432,
+  "data": "FACEQG4KgEC+CoBAFguAQOQLgEBQDIBA/guAQDoJgECgC4BA4AuAQCoLgEDqCIBAXguAQOoIgEBICoBAjgqAQL4KgEAWC4BAWgqAQJ4JgEDOCYBAVgqAQKgOgEC+CoBAaA2AQGAOgEAqCIBAiA6AQCoIgEAqCIBAKgiAQCoIgEAqCIBAKgiAQCoIgEAqCIBABA2AQCoIgECGDYBAYA6AQA==",
+  "data_start": 1082469296,
+  "bss_start": 1082392576
+}