182 lines
7.8 KiB
JavaScript
182 lines
7.8 KiB
JavaScript
export default class ESP32S2ROM {
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static CHIP_NAME = "ESP32-S2";
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static IMAGE_CHIP_ID = 2;
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static MAC_EFUSE_REG = 0x3f41a044;
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static EFUSE_BASE = 0x3f41a000;
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static UART_CLKDIV_REG = 0x3f400014;
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static UART_CLKDIV_MASK = 0xfffff;
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static UART_DATE_REG_ADDR = 0x60000078;
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static FLASH_WRITE_SIZE = 0x400;
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static BOOTLOADER_FLASH_OFFSET = 0x1000;
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static FLASH_SIZES = {
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"1MB": 0x00,
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"2MB": 0x10,
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"4MB": 0x20,
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"8MB": 0x30,
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"16MB": 0x40,
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};
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static SPI_REG_BASE = 0x3f402000;
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static SPI_USR_OFFS = 0x18;
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static SPI_USR1_OFFS = 0x1c;
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static SPI_USR2_OFFS = 0x20;
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static SPI_W0_OFFS = 0x58;
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static SPI_MOSI_DLEN_OFFS = 0x24;
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static SPI_MISO_DLEN_OFFS = 0x28;
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static TEXT_START = 0x40028000;
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static ENTRY = 0x4002873c;
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static DATA_START = 0x3ffe2bf4;
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static ROM_DATA = "CAD9Pw==";
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static ROM_TEXT =
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"" +
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static get_pkg_version = async (loader) => {
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var num_word = 3;
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var block1_addr = this.EFUSE_BASE + 0x044;
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var addr = block1_addr + 4 * num_word;
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var word3 = await loader.read_reg({ addr: addr });
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var pkg_version = (word3 >> 21) & 0x0f;
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return pkg_version;
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};
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static get_chip_description = async (loader) => {
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var chip_desc = ["ESP32-S2", "ESP32-S2FH16", "ESP32-S2FH32"];
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var pkg_ver = await this.get_pkg_version(loader);
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if (pkg_ver >= 0 && pkg_ver <= 2) {
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return chip_desc[pkg_ver];
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} else {
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return "unknown ESP32-S2";
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}
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};
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static get_chip_features = async (loader) => {
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var features = ["Wi-Fi"];
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var pkg_ver = await this.get_pkg_version(loader);
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if (pkg_ver == 1) {
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features.push("Embedded 2MB Flash");
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} else if (pkg_ver == 2) {
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features.push("Embedded 4MB Flash");
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}
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var num_word = 4;
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var block2_addr = this.EFUSE_BASE + 0x05c;
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var addr = block2_addr + 4 * num_word;
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var word4 = await loader.read_reg({ addr: addr });
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var block2_ver = (word4 >> 4) & 0x07;
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if (block2_ver == 1) {
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features.push("ADC and temperature sensor calibration in BLK2 of efuse");
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}
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return features;
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};
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static get_crystal_freq = async (loader) => {
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return 40;
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};
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static _d2h(d) {
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var h = (+d).toString(16);
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return h.length === 1 ? "0" + h : h;
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}
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static read_mac = async (loader) => {
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var mac0 = await loader.read_reg({ addr: this.MAC_EFUSE_REG });
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mac0 = mac0 >>> 0;
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var mac1 = await loader.read_reg({ addr: this.MAC_EFUSE_REG + 4 });
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mac1 = (mac1 >>> 0) & 0x0000ffff;
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var mac = new Uint8Array(6);
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mac[0] = (mac1 >> 8) & 0xff;
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mac[1] = mac1 & 0xff;
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mac[2] = (mac0 >> 24) & 0xff;
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mac[3] = (mac0 >> 16) & 0xff;
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mac[4] = (mac0 >> 8) & 0xff;
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mac[5] = mac0 & 0xff;
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return (
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this._d2h(mac[0]) +
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":" +
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this._d2h(mac[1]) +
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":" +
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this._d2h(mac[2]) +
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":" +
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this._d2h(mac[3]) +
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":" +
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this._d2h(mac[4]) +
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":" +
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this._d2h(mac[5])
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);
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};
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static get_erase_size = function (offset, size) {
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return size;
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};
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}
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