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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/boot/sdCard-burn.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">SDCard 烧录</h1><div class="date inPage">4 Dec 2024</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><div class="- topic/p p" data-ofbid="d169428e22__20250121171620">芯片支持从 SD 卡的 FAT32 文件系统启动。烧录之前，确保满足以下要求：<ol class="- topic/ol ol" id="sdcard__ol_ipp_bfh_bzb" data-ofbid="sdcard__ol_ipp_bfh_bzb"><li class="- topic/li li" data-ofbid="d169428e25__20250121171620">板子 SD 卡接口，并且使用 SDMC1<ol class="- topic/ol ol" type="a" id="sdcard__ol_kpp_bfh_bzb" data-ofbid="sdcard__ol_kpp_bfh_bzb"><li class="- topic/li li" data-ofbid="d169428e28__20250121171620">SD 卡要求只有一个分区</li><li class="- topic/li li" data-ofbid="d169428e30__20250121171620">SD 卡格式化为 FAT32 文件系统，注意不是 exFAT、或者 FAT16</li><li class="- topic/li li" data-ofbid="d169428e32__20250121171620">SD 卡最好为专用卡，里面不要放置太多其他文件</li></ol></li><li class="- topic/li li" data-ofbid="d169428e34__20250121171620">芯片没有烧录跳过 SD 卡的 eFuse</li></ol></div><div class="- topic/p p" data-ofbid="d169428e36__20250121171620">执行步骤：<ol class="- topic/ol ol" id="sdcard__ol_mpp_bfh_bzb" data-ofbid="sdcard__ol_mpp_bfh_bzb"><li class="- topic/li li" data-ofbid="d169428e39__20250121171620">拷贝在编译输出目录 (images) 下的两个文件到 SD 卡 FAT32 文件系统的 <strong class="+ topic/ph hi-d/b ph b">根目录</strong><ul class="- topic/ul ul" id="sdcard__ul_opp_bfh_bzb" data-ofbid="sdcard__ul_opp_bfh_bzb"><li class="- topic/li li" data-ofbid="d169428e44__20250121171620">
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<p class="- topic/p p" data-ofbid="d169428e46__20250121171620">bootcfg.txt </p>
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<p class="- topic/p p" data-ofbid="d169428e49__20250121171620">NAND 输出的名字有些不同，例如
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<span class="+ topic/ph sw-d/filepath ph filepath">bootcfg.txt(page_2k_block_128k)</span></p>
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</li><li class="- topic/li li" data-ofbid="d169428e54__20250121171620">xxx.img，例如 <span class="- topic/ph ph">d13x_per1-nor_v1.0.0.img</span></li></ul></li><li class="- topic/li li" data-ofbid="d169428e58__20250121171620">修改并确保 bootcfg 文件的名字为 <span class="+ topic/ph sw-d/filepath ph filepath">bootcfg.txt</span><p class="- topic/p p" data-ofbid="d169428e62__20250121171620">如果生成的名字为
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<span class="+ topic/ph sw-d/filepath ph filepath">bootcfg.txt(page_2k_block_128k)</span>，则需要改为
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<span class="+ topic/ph sw-d/filepath ph filepath">bootcfg.txt</span>。</p></li><li class="- topic/li li" data-ofbid="d169428e70__20250121171620">将 SD 卡插入板子，重新上电，即可从 SD 卡启动到 U-Boot，并执行烧录。</li><li class="- topic/li li" data-ofbid="d169428e72__20250121171620">烧录完成时，需要拔出 SD 卡，然后重新上电启动。<div class="- topic/note note note note_note" id="sdcard__note_w3c_5pc_jzb" data-ofbid="sdcard__note_w3c_5pc_jzb"><span class="note__title">注：</span>
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<p class="- topic/p p" data-ofbid="d169428e76__20250121171620">烧录完成平台并不会主动重启，以防重复进入 SD 卡烧录模式。</p>
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</div></li><li class="- topic/li li" data-ofbid="d169428e79__20250121171620">
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<p class="- topic/p p" data-ofbid="d169428e81__20250121171620">完成下列不同方案的编译配置。SDK 提供的配置，默认已经使能该功能。此步提供了部分配置注意项的说明。</p>
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<ul class="- topic/ul ul" id="sdcard__ul_hvd_dt2_f1c" data-ofbid="sdcard__ul_hvd_dt2_f1c"><li class="- topic/li li" data-ofbid="d169428e85__20250121171620">SPI NAND/NOR 方案<div class="- topic/p p" data-ofbid="d169428e87__20250121171620">使能 SDFAT32 烧录功能，只需要在 BootLoader 的 menuconfig
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中勾选配置:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="sdcard__codeblock_v4z_2t2_f1c" data-ofbid="sdcard__codeblock_v4z_2t2_f1c">Bootloader options
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Upgrading
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[*] Upgrading by SD Card
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(<span class="hl-number">1</span>) SDMC controller id <strong class="hl-keyword">for</strong> SD Card # 对应板卡的 SDMC 控制器</pre></div><p class="- topic/p p" data-ofbid="d169428e91__20250121171620">开启
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SD 卡烧录功能后，编译完成生成的 <span class="+ topic/ph sw-d/filepath ph filepath">bootloader.aic</span> 文件大小不能超过
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126K，若超过则可以关闭以下配置来减小 CODE SIZE。</p><ol class="- topic/ol ol" type="a" id="sdcard__ol_om3_ft2_f1c" data-ofbid="sdcard__ol_om3_ft2_f1c"><li class="- topic/li li" data-ofbid="d169428e97__20250121171620">AIC_BOOTLOADER_CMD_SPI_NAND</li><li class="- topic/li li" data-ofbid="d169428e99__20250121171620">AIC_BOOTLOADER_CMD_MTD</li><li class="- topic/li li" data-ofbid="d169428e101__20250121171620">AIC_BOOTLOADER_CMD_MEM</li></ol></li></ul>
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