{"id":89110,"date":"2026-08-02T12:49:09","date_gmt":"2026-08-02T04:49:09","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/89110.html"},"modified":"2026-08-02T12:49:09","modified_gmt":"2026-08-02T04:49:09","slug":"linux%e9%a9%b1%e5%8a%a8%e4%b8%8e%e7%b3%bb%e7%bb%9f%e7%a7%bb%e6%a4%8d-u-boot%e5%90%af%e5%8a%a8linux%e5%86%85%e6%a0%b8%e6%b5%81%e7%a8%8b%e8%af%a6%e8%a7%a3%e4%bb%a5%e5%8f%8au-boot%e4%b8%8ezimage","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/89110.html","title":{"rendered":"Linux\u9a71\u52a8\u4e0e\u7cfb\u7edf\u79fb\u690d---U-Boot\u542f\u52a8Linux\u5185\u6838\u6d41\u7a0b\u8be6\u89e3\u4ee5\u53caU-Boot\u4e0ezImage\u6587\u4ef6\u7684\u5236\u4f5c\u6d41\u7a0b"},"content":{"rendered":"<h2>\u4e00. UBoot \u8be6\u89e3<\/h2>\n<h3>1.1 \u6982\u5ff5<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Linux \u7cfb\u7edf\u8981\u542f\u52a8\u5c31\u5fc5\u987b\u9700\u8981\u4e00\u4e2a bootloader \u7a0b\u5e8f&#xff0c;\u4e5f\u5c31\u8bf4\u82af\u7247\u4e0a\u7535\u4ee5\u540e\u5148\u8fd0\u884c\u4e00\u6bb5 bootl oader \u7a0b\u5e8f\u3002\u8fd9\u6bb5 bootloader \u7a0b\u5e8f\u4f1a\u5148\u521d\u59cb\u5316 DDR \u7b49\u5916\u8bbe&#xff0c;\u7136\u540e\u5c06 Linux \u5185\u6838\u4ece flash(NAND&#xff0c; NOR FLASH&#xff0c;SD&#xff0c;MMC \u7b49) \u62f7\u8d1d\u5230 DDR \u4e2d&#xff0c;\u6700\u540e\u542f\u52a8 Linux \u5185\u6838\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0bootloader \u6700\u4e3b\u8981\u7684\u5de5\u4f5c\u5c31\u662f\u542f\u52a8 Linux \u5185\u6838&#xff0c;bootloader \u548c Linux \u5185\u6838\u7684\u5173\u7cfb\u5c31\u8ddf PC \u4e0a\u7684 BIOS \u548c Windows \u7684\u5173\u7cfb\u4e00\u6837&#xff0c;bootloader \u5c31\u76f8\u5f53\u4e8e BIOS\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0uboot\u662fbootloader\u7684\u4e00\u79cd&#xff0c;\u4e3b\u8981\u4f5c\u7528\u662f\u5728\u5185\u6838\u52a0\u8f7d\u524d\u5bf9\u786c\u4ef6\u8bbe\u5907\u521d\u59cb\u5316&#xff0c;\u5e76\u4e3a\u5185\u6838\u7684<br \/>\n\u8fd0\u884c\u63d0\u4f9b\u5f15\u5bfc\u529f\u80fd<br \/>\n\u00a0<\/p>\n<h3>1.2 IMX6ULL \u6838\u5fc3\u677f\u8d44\u6e90<\/h3>\n<h4>1.2.1 \u6838\u5fc3\u677f<\/h4>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 IMX6ULL \u7684\u6838\u5fc3\u677f\u8d44\u6e90<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e3b\u63a7\u82af\u7247&#xff0c;\u91c7\u7528BGA\u5c01\u88c5<br \/>\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a024MHz\u6676\u632f<br \/>\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a032.768KHz&#xff0c;RTC\u4f7f\u7528&#xff0c;\u65e5\u5386\u7b49\u7b49&#xff0c;\u8fd9\u4e2a\u65f6\u949f\u4e0d\u53d8<br \/>\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a08 GB EMMC&#xff0c;flash (ROM)&#xff0c;\u6c38\u4e45\u4fdd\u5b58\u6570\u636e<br \/>\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0512M DDR3L&#xff0c;(RAM)&#xff0c;\u8fd0\u5b58&#xff0c;\u65ad\u7535\u6570\u636e\u4e22\u5931<\/p>\n<h4>1.2.2 \u4e3b\u63a7\u82af\u7247\u5185\u90e8<\/h4>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u5728\u4e3b\u63a7\u82af\u7247\u5185\u90e8&#xff0c;\u8fd8\u6709&#xff1a;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <span style=\"color:#fe2c24\">ROM<\/span>&#xff1a;96 KB&#xff0c;\u5b58\u653e\u7b2c\u4e00\u9636\u6bb5\u542f\u52a8\u4ee3\u7801(\u56fa\u5316\u4ee3\u7801&#xff0c;\u4e0d\u53ef\u6539)&#xff0c;\u8fd0\u884c\u5b8c\u6b64\u4ee3\u7801\u4e4b\u540e\u518d\u6839\u636e\u62e8\u7801\u5f00\u5173\u7684\u9009\u62e9\u5230\u6307\u5b9a\u4f4d\u7f6e\u53bb\u8fd0\u884c(SD\u5361\u7b49)<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <span style=\"color:#fe2c24\">OCRAM<\/span>&#xff1a;128 KB&#xff0c;\u4e5f\u53eb IRAM<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"378\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044906-6a6ecc42cf48d.png\" width=\"450\" \/><\/p>\n<\/p>\n<h3>1.3 IMX6ULL \u542f\u52a8\u6d41\u7a0b<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0iMX6ULL \u5fc5\u987b\u7528 SPL &#043; U\u2011Boot \u7ec4\u5408&#xff0c;\u56e0\u4e3a\u7247\u5185 RAM \u53ea\u6709 128KB&#xff0c;\u88c5\u4e0d\u4e0b\u5b8c\u6574<br \/>\nU\u2011Boot&#xff0c;\u5fc5\u987b\u5206\u4e24\u9636\u6bb5<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 SPL(Secondary Program Loader)&#xff1a;\u7b2c\u4e8c\u9636\u6bb5\u7a0b\u5e8f\u52a0\u8f7d<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"348\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044907-6a6ecc432f7c2.png\" width=\"545\" \/><\/p>\n<\/p>\n<h2 style=\"background-color:transparent\">\u4e8c. U-Boot \u4e0e\u5185\u6838\u6587\u4ef6\u7684\u5236\u4f5c<\/h2>\n<h3>2.1 U-Boot \u7684\u5236\u4f5c<\/h3>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u57fa\u672c\u6d41\u7a0b&#xff1a;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1\u3001\u89e3\u538buboot\u538b\u7f29\u5305&#xff0c;\u5e76\u8fdb\u5165uboot\u6e90\u7801\u76ee\u5f55<\/p>\n<p>tar -zxvf uboot.tar.gz<br \/>\ncd uboot<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\u3001uboot\u56fe\u5f62\u754c\u9762\u662f\u57fa\u4e8encurses\u5e93\u7f16\u5199\u7684&#xff0c;\u6240\u4ee5\u9700\u8981\u5148\u5b89\u88c5\u8be5\u5e93<\/p>\n<p>sudo apt-get install libncurses5-dev<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03\u3001\u7f16\u8bd1uboot\u6e90\u7801<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0distclean \u7684\u4f5c\u7528&#xff1a;\u76ee\u7684\u662f\u6e05\u9664\u5de5\u7a0b&#xff0c;\u5c06\u6e90\u7801\u6062\u590d\u5230\u539f\u59cb\u72b6\u6001&#xff0c;\u7c7b\u4f3c\u590d\u4f4d<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CROSS_COMPILE&#xff1a;\u8bbe\u7f6e\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0V&#061;0&#xff1a;\u63a7\u5236\u7f16\u8bd1\u8f93\u51fa\u7684\u8be6\u7ec6\u7a0b\u5ea6&#xff0c; 0\u8868\u793a\u542f\u52a8\u9759\u9ed8\/\u7cbe\u7b80\u8f93\u51fa\u6a21\u5f0f&#xff0c; 1\u8868\u793a\u5b8c\u6574\u7684\u7f16\u8bd1\u547d\u4ee4&#xff0c;\u4fbf\u4e8e\u8c03\u8bd5<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u7b2c\u4e8c\u53e5\u7684\u4f5c\u7528&#xff1a;\u751f\u6210 .config\u00a0\u914d\u7f6e\u6587\u4ef6&#xff0c;\u6587\u4ef6\u4e2d\u6307\u5b9a\u4e86\u54ea\u4e9b\u9700\u8981\u7f16\u8bd1&#xff0c;\u539f\u6765\u7684.c\u5f88\u591a&#xff0c;\u53ea\u9700\u8981\u7f16\u8bd1ARM\u67b6\u6784\u4e0b\u9762\u7684imx6u\u7684.c\u5373\u53ef<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u6700\u540e\u4e00\u53e5\u7684\u4f5c\u7528&#xff1a;\u4f7f\u752816\u6838\u6765\u7f16\u8bd1uboot<\/p>\n<p>make ARCH&#061;arm CROSS_COMPILE&#061;arm-linux-gnueabihf- distclean<br \/>\nmake ARCH&#061;arm CROSS_COMPILE&#061;arm-linux-gnueabihf- mx6ull_alientek_emmc_defconfig<br \/>\nmake V&#061;0 ARCH&#061;arm CROSS_COMPILE&#061;arm-linux-gnueabihf- -j16<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 4\u3001\u751f\u6210\u7684\u6587\u4ef6<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u751f\u6210\u7684\u6587\u4ef6\u4e3b\u8981\u4f4d\u4e8e uboot \u9876\u5c42\u76ee\u5f55&#xff1a;u-boot.imx&#xff0c;u-boot.lds&#xff0c;u-boot.map\u7b49<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u6ce8\u610f&#xff1a;\u5176\u4e2d u-boot.bin \u5c31\u662f\u7f16\u8bd1\u51fa\u6765\u7684 uboot \u4e8c\u8fdb\u5236\u6587\u4ef6\u3002uboot \u662f\u4e2a\u88f8\u673a\u7a0b\u5e8f&#xff0c;\u56e0\u6b64\u9700\u8981\u5728\u5176\u524d\u9762\u52a0\u4e0a\u5934\u90e8(IVT\u3001DCD \u7b49\u6570\u636e)\u624d\u80fd\u5728 IMX6ULL \u4e0a\u6267\u884c&#xff0c;u-boot.imx \u6587\u4ef6\u5c31\u662f\u6dfb\u52a0\u5934\u90e8\u4ee5\u540e\u7684 u-boot.bin&#xff0c;u-boot.imx \u5c31\u662f\u6700\u7ec8\u8981\u70e7\u5199\u5230\u5f00\u53d1\u677f\u4e2d\u7684 uboot \u955c\u50cf\u6587\u4ef6<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>2.2 \u5185\u6838\u6587\u4ef6\u7684\u5236\u4f5c<\/h3>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u57fa\u672c\u6d41\u7a0b&#xff1a;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1\u3001\u5148\u5b89\u88c5\u5fc5\u8981\u7684\u5de5\u5177<\/p>\n<p>sudo apt-get install lzop<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2\u3001\u628alinux\u5185\u6838\u590d\u5236\u5230\u865a\u62df\u673a&#xff0c;\u89e3\u538b\u64cd\u4f5c<\/p>\n<p>tar -zxvf linux-imx-rel_imx_4.1.15_2.1.0_ga_alientek.tar.gz<br \/>\nls<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3\u3001\u7f16\u8bd1\u7684\u547d\u4ee4<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5177\u4f53\u601d\u8def\u548c U-Boot \u6587\u4ef6\u7684\u5236\u4f5c\u4e00\u6837&#xff1a;\u5148\u6e05\u7406\u5de5\u7a0b&#xff0c;\u518d\u751f\u6210\u914d\u7f6e\u6587\u4ef6&#xff0c;\u6700\u540e\u7f16\u8bd1\u5373\u53ef<\/p>\n<p>cd linux-imx-rel_imx_4.1.15_2.1.0_ga_alientek\/<br \/>\nmake ARCH&#061;arm CROSS_COMPILE&#061;arm-linux-gnueabihf- distclean<br \/>\nmake ARCH&#061;arm CROSS_COMPILE&#061;arm-linux-gnueabihf- imx_alientek_emmc_defconfig<br \/>\nmake ARCH&#061;arm CROSS_COMPILE&#061;arm-linux-gnueabihf- menuconfig #\u5185\u6838\u5730\u56fe&#xff0c;\u9a71\u52a8&#xff0c;\u6a21\u5757\u548cc\u6587\u4ef6\u7684\u5173\u7cfb<br \/>\nmake ARCH&#061;arm CROSS_COMPILE&#061;arm-linux-gnueabihf- all -j16<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 4\u3001\u751f\u6210\u7ed3\u679c<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7ed3\u679c\u6587\u4ef6\u4e3b\u8981\u67092\u4e2a&#xff1a;<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5185\u6838\u955c\u50cf\u6587\u4ef6&#xff1a; arch\/arm\/boot\/zImage<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8bbe\u5907\u6811\u6587\u4ef6&#xff1a; arch\/arm\/boot\/dts\/imx6ull-alientek-emmc.dtb\u6587\u4ef6<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fd8\u6709\u76f8\u5173\u7684\u9a71\u52a8\u6587\u4ef6 *.ko<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 5\u3001\u5c06\u7f16\u8bd1\u597d\u7684\u4e24\u4e2a\u6587\u4ef6\u62f7\u8d1d\u5230tftp\u7ba1\u7406\u76ee\u5f55\u4e0b<\/p>\n<p>cp arch\/arm\/boot\/zImage ~\/tftpboot\/ -rf<br \/>\ncp arch\/arm\/boot\/dts\/imx6ull-alientek-emmc.dtb ~\/tftpboot\/ -rf<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 6\u3001\u91cd\u65b0\u542f\u52a8\u5f00\u53d1\u677f&#xff0c;\u6bcf\u6b21\u4eceUbuntu\u7ba1\u7406\u76ee\u5f55\u4e0b\u8f7d\u6700\u65b0\u7248\u672c\u7684\u5185\u6838\u548c\u8bbe\u5907\u6811\u6587\u4ef6<br \/>\n\u00a0<\/p>\n<\/p>\n<h2 style=\"background-color:transparent\">\u4e09. U-Boot \u542f\u52a8\u8be6\u89e3<\/h2>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u603b\u5171\u4e09\u4e2a\u9636\u6bb5<\/p>\n<h3 style=\"background-color:transparent\">3.1 \u9636\u6bb5\u4e00 (Boot ROM \u9636\u6bb5)<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fd9\u4e00\u6b65\u4e0d\u5c5e\u4e8e U\u2011Boot&#xff0c;\u4f46\u5fc5\u987b\u5148\u505a&#xff0c;\u624d\u80fd\u542f\u52a8 U\u2011Boot\u3002<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 \u8fd9\u4e00\u6b65\u7684\u4f5c\u7528&#xff1a;<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u3001\u68c0\u6d4b\u542f\u52a8\u6a21\u5f0f&#xff08;SD \u5361\u3001 EMMC\u3001 NAND\u3001 QSPI&#xff09;\u3002 sd\/emmc\u8bbe\u5907\u6ca1\u6709\u5b8c\u5168\u521d\u59cb\u5316&#xff0c;\u5185\u90e8\u7a0b\u5e8f\u5199\u6b7b&#xff0c;\u53ea\u4f1a\u8bfb\u53d6\u524d\u9762\u4e00\u90e8\u5206\u5185\u5bb9\u6839\u636e\u62e8\u7801\u5f00\u5173\u6709\u5173&#xff0c;\u51b3\u5b9a\u4e86\u542f\u52a8\u65b9\u5f0f&#xff0c;\u4e3a\u4e86\u7b2c\u4e8c\u9636\u6bb5\u5230\u6307\u5b9a\u7684\u542f\u52a8\u8bbe\u5907\u4e0a\u53bb\u52a0\u8f7dU-Boot<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\u3001\u521d\u59cb\u5316\u6700\u57fa\u7840\u7684\u65f6\u949f arm_pll 396M, system_PLL 528M<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03\u3001\u8bfb\u53d6\u542f\u52a8\u8bbe\u5907\u7684\u7b2c\u4e00\u4e2a\u955c\u50cf&#xff08;SPL&#xff09;&#xff0c;\u4ece\u7247\u4e0a\u7684 Rom \u4e2d<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04\u3001\u628a SPL \u52a0\u8f7d\u5230\u7247\u5185 RAM(\u8fd0\u5b58)&#xff08;OCRAM 0x00900000&#xff09;<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a05\u3001\u8df3\u8f6c\u5230 SPL \u6267\u884c<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"200\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044907-6a6ecc4369100.png\" width=\"504\" \/><\/p>\n<\/p>\n<h3>3.2 \u9636\u6bb5\u4e8c U\u2011Boot SPL&#xff08;\u7b2c\u4e00\u9636\u6bb5 U\u2011Boot&#xff09;<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SPL &#061; Secondary Program Loader&#xff0c;\u7b2c\u4e8c\u9636\u6bb5\u7a0b\u5e8f\u52a0\u8f7d\u5668<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SPL:\u52a0\u8f7dUBoot\u7684\u524d4K<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fd0\u884c\u4f4d\u7f6e&#xff1a;\u7247\u5185 RAM&#xff08;OCRAM&#xff09;<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6838\u5fc3\u4f7f\u547d&#xff1a;\u521d\u59cb\u5316 DDR&#xff0c;\u7136\u540e\u52a0\u8f7d\u5b8c\u6574 U\u2011Boot<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"211\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044907-6a6ecc4395153.png\" width=\"563\" \/><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 SPL \u5b8c\u6210\u7684\u8be6\u7ec6\u5de5\u4f5c&#xff1a;<span style=\"color:#fe2c24\">u-boot.imx &#061; IVT&#043;BOOTData&#043;DCD<\/span><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1\u3001\u5173\u95ed\u770b\u95e8\u72d7&#xff0c;\u9632\u6b62\u82af\u7247\u81ea\u52a8\u590d\u4f4d\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\u3001\u8bbe\u7f6e CPU \u4e3b\u9891 \/ \u7cfb\u7edf\u65f6\u949f&#xff1a;iMX6ULL \u901a\u5e38\u8bbe\u4e3a 792MHz&#xff0c;\u521d\u59cb\u5316 PLL \u9501\u76f8\u73af\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03\u3001\u521d\u59cb\u5316 IOMUXC \u5f15\u811a\u590d\u7528&#xff1a;\u914d\u7f6e DDR \u5f15\u811a\u3001\u542f\u52a8\u8bbe\u5907\u5f15\u811a\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04\u3001\u521d\u59cb\u5316 DDR \u63a7\u5236\u5668 &#043; DDR \u6821\u51c6&#xff1a;\u6ca1\u6709 DDR&#xff0c;\u540e\u9762\u7684 U\u2011Boot \u548c Linux \u90fd\u65e0\u6cd5\u8fd0\u884c\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 5\u3001\u521d\u59cb\u5316 NAND\/SD\/EMMC\/QSPI&#xff0c;\u5b8c\u5168\u521d\u59cb\u5316 sd\/emmc\u63a7\u5236\u5668&#xff1a;\u4e3a\u4e86\u8bfb\u53d6\u5b8c\u6574 U\u2011Boot \u955c\u50cf\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 6\u3001\u4ece Flash\/SD\u5361\u4e2d\u8bfb\u53d6\u5b8c\u6574 U\u2011Boot \u5230 DDR&#xff0c;\u52a0\u8f7d\u5730\u5740&#xff1a;DDR&#061;0x87800000<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 7\u3001\u8df3\u8f6c\u5230 DDR \u4e2d\u7684 U\u2011Boot \u6267\u884c&#xff0c;SPL \u4f7f\u547d\u7ed3\u675f<\/p>\n<\/p>\n<h3>3.3 \u9636\u6bb5\u4e09\u00a0U\u2011Boot \u4e3b\u7a0b\u5e8f&#xff08;\u7b2c\u4e8c\u9636\u6bb5&#xff0c;\u771f\u6b63\u7684 U\u2011Boot&#xff09;<\/h3>\n<p style=\"text-align:center\"><span style=\"color:#fe2c24\">\u8fd0\u884c\u4f4d\u7f6e&#xff1a; DDR 0x87800000<\/span><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u6240\u505a\u7684\u5de5\u4f5c&#xff1a;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1.\u52a0\u8f7d Linux \u5185\u6838\u548c\u8bbe\u5907\u6811\u5230\u5185\u5b58<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u52a0\u8f7d zImage \u5230&#xff1a;0x80800000&#xff1b;\u52a0\u8f7d dtb \u5230 0x83000000<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2.\u8bfb\u53d6\u73af\u5883\u53d8\u91cf&#xff0c;\u89e3\u6790\u542f\u52a8\u547d\u4ee4<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3.\u4f20\u9012\u542f\u52a8\u53c2\u6570\u7ed9\u5185\u6838<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 4.\u542f\u52a8 Linux \u5185\u6838<\/p>\n<\/p>\n<h3>3.4 \u6574\u4f53\u6240\u5b8c\u6210\u7684\u5de5\u4f5c<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01.\u521d\u59cb\u5316DDR(\u6700\u5173\u952e)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0bootrom<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02.\u521d\u59cb\u5316\u65f6\u949f(CPU\u4e3b\u9891\u3001\u603b\u7ebf\u65f6\u949f)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0bootrom<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03.\u521d\u59cb\u5316\u542f\u52a8\u8bbe\u5907(SD\/EMMC\/NAND)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0bootrom&#043;<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04.\u52a0\u8f7d Linux \u5185\u6838\u548c\u8bbe\u5907\u6811\u5230\u5185\u5b58<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u52a0\u8f7d zImage \u5230&#xff1a;0x80800000&#xff1b;\u52a0\u8f7d dtb \u5230 0x83000000<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a05.\u4f20\u9012\u542f\u52a8\u53c2\u6570\u7ed9\u5185\u6838<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a06.\u542f\u52a8 Linux \u5185\u6838<\/p>\n<\/p>\n<h2 style=\"background-color:transparent\">\u56db. \u89e3\u91ca<span style=\"color:#0d0016\">IVT\u3001BOOTData\u4e0e<\/span><span style=\"color:#0d0016\">DCD<\/span><\/h2>\n<h3><span style=\"color:#0d0016\">4.1 <\/span>IVT (Image Vector Table&#xff0c;\u955c\u50cf\u5411\u91cf\u8868)<\/h3>\n<h4>4.1.1 \u4ec0\u4e48\u662f IVT<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u4e3a\u4e00\u4e2a\u201c\u5730\u5740\u7c3f\u201d\u6216\u201c\u5bfc\u822a\u5730\u56fe\u201d\u3002\u4f4d\u4e8e\u542f\u52a8\u8bbe\u5907\u7684\u7279\u5b9a\u504f\u79fb\u4f4d\u7f6e(\u4f8b\u5982SD\u5361\/EMMC\u662f\u4ece1KB\u504f\u79fb\u5904\u5f00\u59cb)\u3002BootROM\u542f\u52a8\u540e&#xff0c;\u4f1a\u9996\u5148\u5728\u56fa\u5b9a\u4f4d\u7f6e\u627e\u5230\u8fd9\u4e2a\u5730\u5740\u7c3f\u3002<\/p>\n<h4>4.1.2 \u4f5c\u7528<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e3aBootROM\u63d0\u4f9b\u5f15\u5bfc\u6240\u9700\u7684\u6240\u6709\u5173\u952e\u4fe1\u606f\u7684\u5730\u5740\u3002<\/p>\n<h4>4.1.3 \u5173\u952e\u5b57\u6bb5<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0IVT\u5185\u90e8\u5305\u542b\u4e86\u591a\u4e2a32\u4f4d\u7684\u5730\u5740\u6307\u9488&#xff0c;\u4e3b\u8981\u5305\u62ec:<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"225\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044907-6a6ecc43cb402.png\" width=\"521\" \/><\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7b80\u5355\u6765\u8bf4&#xff0c;BootROM\u901a\u8fc7\u8bfb\u53d6IVT&#xff0c;\u624d\u77e5\u9053\u53bb\u54ea\u91cc\u627e\u771f\u6b63\u7684\u7528\u6237\u7a0b\u5e8f(entry),\u5982\u4f55\u53bb\u914d\u7f6e\u786c\u4ef6(dcd)\u4ee5\u53ca\u7a0b\u5e8f\u6709\u591a\u5927(boot_data)<\/p>\n<\/p>\n<h3>4.2\u00a0DCD (Device Configuration Data&#xff0c;\u8bbe\u5907\u914d\u7f6e\u6570\u636e)<\/h3>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"365\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044908-6a6ecc440a200.png\" width=\"559\" \/><\/p>\n<\/p>\n<h3>4.3 IVT\u3001 DCD\u4e0eBoot Data\u7684\u534f\u4f5c\u5173\u7cfb<\/h3>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"351\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044908-6a6ecc44451eb.png\" width=\"632\" \/><\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"182\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044908-6a6ecc44781c9.png\" width=\"583\" \/><\/p>\n<\/p>\n<h2>\u4e94. U-Boot \u9636\u6bb5\u5e38\u7528\u547d\u4ee4<\/h2>\n<h3>5.1 \u73af\u5883\u53d8\u91cf\u64cd\u4f5c\u547d\u4ee4<\/h3>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"167\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044908-6a6ecc44953fd.png\" width=\"559\" \/><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 eg&#xff1a;<\/p>\n<p>env default -a  #uboot \u53d8\u91cf\u56de\u590d\u9ed8\u8ba4<br \/>\nsaveenv# \u4fdd\u5b58\u53d8\u91cf<br \/>\nreset#\u91cd\u542fuboot<br \/>\nsetenv ipaddr 192.168.1.50  # \u8bbe\u7f6e\u5f00\u53d1\u677fip\u5730\u5740<br \/>\nsetenv ethaddr 00:04:9f:04:d2:35#\u8bbe\u7f6e\u5f00\u53d1\u677f\u7f51\u5361mac\u5730\u5740<br \/>\nsetenv gatewayip 192.168.1.1      #\u8bbe\u7f6e\u5f00\u53d1\u677f\u7f51\u5173<br \/>\nsetenv netmask 255.255.255.0#\u8bbe\u7f6e\u5f00\u53d1\u677f\u5b50\u7f51\u63a9\u7801<br \/>\nsetenv serverip 192.168.1.100#\u8bbe\u7f6epc\u6bb5\u7684ip\u5730\u5740<br \/>\nsetenv bootargs &#039;console&#061;ttymxc0,115200 root&#061;\/dev\/nfs nfsroot&#061;192.168.1.100:\/home\/linux\/nfs\/rootfs,v3,proto&#061;tcp rw ip&#061;192.168.1.50:192.168.1.100:192.168.1.1:255.255.255.0::eth0:off&#039;  #\u8bbe\u7f6e\u6839\u6587\u4ef6\u7cfb\u7edf\u7684\u4f4d\u7f6e<br \/>\nsetenv bootcmd &#039;tftp 80800000 zImage;tftp 83000000 imx6ull-alientek-emmc.dtb;bootz 80800000 &#8211; 83000000&#039;  #\u8bbe\u7f6e \u4e0b\u8f7dzImage &#xff0c;dtb<br \/>\nsaveenv  #\u4fdd\u5b58\u53d8\u91cf<br \/>\nreset#\u91cd\u542fuboot<\/p>\n<p>\u8be6\u89e3&#xff1a;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 1\u3001setenv bootargs &#039;console&#061;ttymxc0,115200 root&#061;\/dev\/nfsnfsroot&#061;192.168.1.100:\/home\/linux\/nfs\/rootfs,proto&#061;tcp rw ip&#061;192.168.1.50:192.168.1.100:192.168.1.1:255.255.255.0::eth0:off&#039;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u6ce8\u610f&#xff1a;<span style=\"color:#fe2c24\">bootargs\u4fdd\u5b58\u7740uboot\u4f20\u9012\u7ed9Linux\u5185\u6838\u7684\u53c2\u6570<\/span>&#xff0c;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u4f5c\u7528&#xff1a;\u8bbe\u7f6e\u6839\u6587\u4ef6\u7cfb\u7edf\u4f4d\u7f6e&#xff0c;<span style=\"color:#fe2c24\">\u4ecenfs\u7f51\u7edc\u4e2d\u542f\u52a8Linux\u7cfb\u7edf<\/span><br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u542f\u52a8\u53c2\u6570<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0console&#xff1a;\u8868\u793a\u63a7\u5236\u53f0<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ttymxc0&#xff1a;\u8868\u793a\u53d1\u5230\u4e32\u53e30&#xff0c;\u6ce2\u7279\u7387&#xff1a;115200<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7f51\u7edc\u6587\u4ef6\u6765\u81ea192.168.1.100<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u53ef\u8bfb\u53ef\u5199<\/p>\n<p>\n\u00a0 \u00a0 \u00a0 \u00a0 2\u3001setenv bootcmd &#039;tftp 80800000 zImage;tftp 83000000 imx6ullalientekemmc.dtb;bootz 80800000 &#8211; 83000000&#039;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u6ce8\u610f&#xff1a;<span style=\"color:#fe2c24\">bootcmd\u4fdd\u5b58\u7740uboot\u9ed8\u8ba4\u547d\u4ee4&#xff0c; uboot\u5012\u8ba1\u65f6\u7ed3\u675f\u4ee5\u540e\u5c31\u4f1a\u6267\u884cbootcmd\u4e2d\u7684\u547d<br \/>\n\u4ee4<\/span><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u4f5c\u7528&#xff1a;\u8bbe\u7f6e\u4e0b\u8f7dzImage&#xff0c;dtb&#xff1b;<span style=\"color:#fe2c24\">\u4ece\u7f51\u7edc\u4e2d\u4e0b\u8f7d\u5185\u6838\u3001\u8bbe\u5907\u6811\u3001\u542f\u52a8<\/span><br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u542f\u52a8\u547d\u4ee4<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5012\u8ba1\u65f6\u7ed3\u675f&#xff0c;\u8d70\u8fd9\u6761\u547d\u4ee4<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u53bbPC\u673a\u4e0b\u8f7d\u6587\u4ef6<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5185\u6838\u653e\u572880800000\u8fd9\u4e2a\u5730\u5740<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8bbe\u5907\u6811\u653e\u572883000000\u8fd9\u4e2a\u5730\u5740<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0bootz&#xff1a;\u542f\u52a8; \u00a0-&#xff1a;\u8868\u793a\u4e0d\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf&#xff0c;\u4e0a\u9762\u4e00\u6761\u6307\u4ee4\u5df2\u7ecf\u914d\u7f6e\u8fc7\u4e86<\/p>\n<p>\u00a0\u00a0 \u00a0<\/p>\n<h3>5.2 \u7f51\u7edc\u547d\u4ee4<\/h3>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"245\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044908-6a6ecc44a2391.png\" width=\"532\" \/><\/p>\n<\/p>\n<h3>5.3 boot\u547d\u4ee4<\/h3>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"279\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260802044908-6a6ecc44bf3e0.png\" width=\"481\" \/><\/p>\n<\/p>\n<h2 style=\"background-color:transparent\">\u516d. Linux \u542f\u52a8\u603b\u6d41\u7a0b<\/h2>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u3001bootROM\u9636\u6bb5&#xff1a;<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">a.<\/span> IMX6U\u5e73\u53f0\u5728\u82af\u72470x0\u5730\u5740\u5904\u63a5\u4e8696k bootROM&#xff0c;\u91cc\u9762\u662f\u5382\u5546\u56fa\u5316\u7684\u542f\u52a8\u4ee3\u7801&#xff0c;\u4e0a<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7535\u542f\u52a8\u540e\u89e6\u53d1\u590d\u4f4d\u5f02\u5e38\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">\u00a0\u00a0b. <\/span>\u6839\u636e\u7528\u6237\u8bbe\u7f6e\u7684\u542f\u52a8\u65b9\u5f0f&#xff0c;\u5c06EMMC\u6216SD\u5361\u5b58\u50a8\u5668\u7684\u524d4k\u4ee3\u7801\u62f7\u8d1d\u5230SRAM\u4e2d\u6267\u884c&#xff0c;<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5176\u4e2d\u5305\u62ec&#xff08;IVT\u955c\u50cf\u5165\u53e3\u5730\u5740&#xff1a; 0X877FF400 &#xff08;0x8780 0000 -3k&#xff09; \u3001 DCD&#xff1a;<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DDR\u57fa\u7840\u521d\u59cb\u5316\u4ee3\u7801\u3001 BootData&#xff1a;\u955c\u50cf\u52a0\u8f7d\u5730\u5740\u53ca\u5927\u5c0f&#xff09;\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">\u00a0\u00a0\u00a0\u00a0\u00a0c. <\/span>\u6839\u636eBootData\u5c06SPL\u52a0\u8f7d\u5230OCRAM\u4e2d\u3002 (on-chip ram)<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 2\u3001SPL\u9636\u6bb5&#xff1a;<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">a. <\/span>\u5728OCRAM\u4e2d\u8fd0\u884cSPL\u4ee3\u7801\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">\u00a0b.<\/span> \u5bf9DDR\u505a\u6df1\u5ea6\u521d\u59cb\u5316\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">c. <\/span>\u5c06\u5b8c\u6574\u7684uboot\u62f7\u8d1d\u523087800000\u5730\u5740<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">d. <\/span>\u91cd\u65b0\u5b9a\u4f4d\u94fe\u63a5\u5730\u5740 (board_init_f -&gt; relocate_code,relocate_vectors)<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03\u3001uboot\u9636\u6bb5&#xff1a;<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">a. <\/span>\u91cd\u65b0\u8bbe\u7f6e\u5f02\u5e38\u5411\u91cf\u8868&#xff0c;\u6267\u884creset\u590d\u4f4d\u5f02\u5e38<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">\u00a0b. <\/span>\u8fd0\u884cuboot\u5b8c\u6210\u5bf9\u786c\u4ef6\u8bbe\u5907\u521d\u59cb\u5316(\u7f51\u5361&#xff0c;\u4e32\u53e3&#xff0c;\u5c4f\u5e55\u7b49\u5916\u8bbe)<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">c. <\/span>\u4e0e\u7528\u6237\u4ea4\u4e92&#xff0c;\u6267\u884cbootcmd\u52a0\u8f7d\u5185\u6838<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04\u3001\u5185\u6838\u9636\u6bb5&#xff1a;<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">a. <\/span>\u8fd0\u884c\u5185\u6838\u4ee3\u7801<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a05\u3001\u6587\u4ef6\u7cfb\u7edf\u9636\u6bb5&#xff1a;<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">a. <\/span>\u6267\u884cinit\u8fdb\u7a0b<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">b.<\/span> \u542f\u52a8\u914d\u7f6e\u6587\u4ef6\/etc\/inittab<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">c. <\/span>\u8fd0\u884c\/etc\/init.d\/rcS\u811a\u672c<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">d. <\/span>\u6302\u8f7d\/etc\/fatab\u6587\u4ef6<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color:#fe2c24\">\u00a0e.<\/span> \u542f\u52a8\u7ec8\u7aef<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00. 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