import { ROM } from "./rom.js"; export class ESP32C6ROM extends ROM { constructor() { super(...arguments); this.CHIP_NAME = "ESP32-C6"; this.IMAGE_CHIP_ID = 13; this.EFUSE_BASE = 0x600b0800; this.EFUSE_BLOCK1_ADDR = this.EFUSE_BASE + 0x044; this.MAC_EFUSE_REG = this.EFUSE_BASE + 0x044; this.UART_CLKDIV_REG = 0x3ff40014; this.UART_CLKDIV_MASK = 0xfffff; this.UART_DATE_REG_ADDR = 0x6000007c; this.FLASH_WRITE_SIZE = 0x400; this.BOOTLOADER_FLASH_OFFSET = 0; this.FLASH_SIZES = { "1MB": 0x00, "2MB": 0x10, "4MB": 0x20, "8MB": 0x30, "16MB": 0x40, }; this.SPI_REG_BASE = 0x60002000; this.SPI_USR_OFFS = 0x18; this.SPI_USR1_OFFS = 0x1c; this.SPI_USR2_OFFS = 0x20; this.SPI_MOSI_DLEN_OFFS = 0x24; this.SPI_MISO_DLEN_OFFS = 0x28; this.SPI_W0_OFFS = 0x58; } async getPkgVersion(loader) { const numWord = 3; const block1Addr = this.EFUSE_BASE + 0x044; const addr = block1Addr + 4 * numWord; const word3 = await loader.readReg(addr); const pkgVersion = (word3 >> 21) & 0x07; return pkgVersion; } async getChipRevision(loader) { const block1Addr = this.EFUSE_BASE + 0x044; const numWord = 3; const pos = 18; const addr = block1Addr + 4 * numWord; const ret = ((await loader.readReg(addr)) & (0x7 << pos)) >> pos; return ret; } async getChipDescription(loader) { let desc; const pkgVer = await this.getPkgVersion(loader); if (pkgVer === 0) { desc = "ESP32-C6"; } else { desc = "unknown ESP32-C6"; } const chipRev = await this.getChipRevision(loader); desc += " (revision " + chipRev + ")"; return desc; } async getChipFeatures(loader) { return ["Wi-Fi 6", "BT 5", "IEEE802.15.4"]; } async getCrystalFreq(loader) { return 40; } _d2h(d) { const h = (+d).toString(16); return h.length === 1 ? "0" + h : h; } async readMac(loader) { let mac0 = await loader.readReg(this.MAC_EFUSE_REG); mac0 = mac0 >>> 0; let mac1 = await loader.readReg(this.MAC_EFUSE_REG + 4); mac1 = (mac1 >>> 0) & 0x0000ffff; const mac = new Uint8Array(6); mac[0] = (mac1 >> 8) & 0xff; mac[1] = mac1 & 0xff; mac[2] = (mac0 >> 24) & 0xff; mac[3] = (mac0 >> 16) & 0xff; mac[4] = (mac0 >> 8) & 0xff; mac[5] = mac0 & 0xff; return (this._d2h(mac[0]) + ":" + this._d2h(mac[1]) + ":" + this._d2h(mac[2]) + ":" + this._d2h(mac[3]) + ":" + this._d2h(mac[4]) + ":" + this._d2h(mac[5])); } getEraseSize(offset, size) { return size; } }