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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://aicdocco/taskstopics/sdk/bringup/config-filesys-and-partition.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">配置文件系统和分区</h1>
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<div class="date inPage">16 May 2025</div><div style="color: gray;">
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<p class="- topic/p p" data-ofbid="d59030e30__20250519091508">文件系统默认采用 FATFS。</p>
<p class="- topic/p p" data-ofbid="d59030e33__20250519091508">本节仅简单介绍 Bringup 相关的分区配置。Bringup 时建议只进行介质选择，不进行复杂的分区调整。关于分区的详细说明，可查看<a class="- topic/xref xref" href="../advanced/partition_config.html">配置分区</a>。</p>
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<section class="- topic/section section" id="config-filesys-and-partition__section_ids_c3p_w2c" data-ofbid="config-filesys-and-partition__section_ids_c3p_w2c"><h2 class="- topic/title title sectiontitle">SPI NOR 文件系统和分区</h2>
<ol class="- topic/ol ol" id="config-filesys-and-partition__ol_f52_4wr_x2c" data-ofbid="config-filesys-and-partition__ol_f52_4wr_x2c">
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<li class="- topic/li li" data-ofbid="d59030e47__20250519091508">
<div class="- topic/p p" data-ofbid="d59030e49__20250519091508">SPI NOR 默认采用
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FATFS。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="config-filesys-and-partition__codeblock_wtw_nwr_x2c" data-ofbid="config-filesys-and-partition__codeblock_wtw_nwr_x2c">Application options ---&gt;
[*] Using File System Image <span class="hl-number">1</span> ---&gt;
--- Using File System Image <span class="hl-number">1</span>
Select File System Type (FATFS) ---&gt;
(data/) Data Directory
(data.fatfs) Image Name</pre></div>
</li>
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<li class="- topic/li li" data-ofbid="d59030e55__20250519091508">
<p class="- topic/p p" data-ofbid="d59030e57__20250519091508">在 <span class="+ topic/ph sw-d/filepath ph filepath">target/dxxx/xxx/pack/image_cfg.json</span> 中，可以配置 SPI NOR
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的分区信息：</p>
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<p class="- topic/p p" data-ofbid="d59030e63__20250519091508">以 <span class="+ topic/ph sw-d/filepath ph filepath">d13x demo88_nor</span> 工程为例， 编译出来的固件为
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<span class="+ topic/ph sw-d/filepath ph filepath">d13x_demo88-nor_v1.0.0.img</span>。</p>
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<div class="- topic/p p" data-ofbid="d59030e72__20250519091508">
v1.2.0
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="config-filesys-and-partition__codeblock_qb5_ty1_bdc" data-ofbid="config-filesys-and-partition__codeblock_qb5_ty1_bdc"><span class="hl-string">"spi-nor"</span>: { <em class="hl-comment">// Device, The name should be the same with string in image:info:media:type</em>
<span class="hl-string">"size"</span>: <span class="hl-string">"16m"</span>, <em class="hl-comment">// Size of SPI NOR</em>
<span class="hl-string">"partitions"</span>: {
<span class="hl-string">"spl"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"256k"</span> },
<span class="hl-string">"env"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"128k"</span> },
<span class="hl-string">"env_r"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"128k"</span> },
<span class="hl-string">"os"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"1m"</span> },
<span class="hl-string">"os_r"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"1m"</span> },
<span class="hl-string">"rodata"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"3m"</span> },
<span class="hl-string">"rodata_r"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"3m"</span> },
<span class="hl-string">"data"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"7m"</span> }
},
},</pre>
</div>
</li>
</ol>
</section>
<section class="- topic/section section" id="config-filesys-and-partition__section_opz_d3p_w2c" data-ofbid="config-filesys-and-partition__section_opz_d3p_w2c"><h2 class="- topic/title title sectiontitle">SPI NAND 文件系统和分区</h2>
<ol class="- topic/ol ol" id="config-filesys-and-partition__ul_crg_5zq_ndc" data-ofbid="config-filesys-and-partition__ul_crg_5zq_ndc">
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<li class="- topic/li li" data-ofbid="d59030e88__20250519091508">
<div class="- topic/p p" data-ofbid="d59030e90__20250519091508">SPI NAND 默认采用
v1.2.0
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FATFS，配置如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="config-filesys-and-partition__codeblock_ln2_zkp_w2c" data-ofbid="config-filesys-and-partition__codeblock_ln2_zkp_w2c">Application options ---&gt;
[*] Using File System Image <span class="hl-number">1</span> ---&gt;
--- Using File System Image <span class="hl-number">1</span>
Select File System Type (FATFS) ---&gt;
(data/) Data Directory
(data.fatfs) Image Name</pre></div>
</li>
v1.2.1
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<li class="- topic/li li" data-ofbid="d59030e96__20250519091508">
<p class="- topic/p p" data-ofbid="d59030e98__20250519091508">在工程配置文件 <span class="+ topic/ph sw-d/filepath ph filepath">target/dxxx/xxx/pack/image_cfg.json</span>
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中，配置分区信息。</p>
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<p class="- topic/p p" data-ofbid="d59030e104__20250519091508">可以从其他 SPI NOR 方案中复制 image_cfg.json 到本方案，也可以手工修改。</p>
v1.2.0
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="config-filesys-and-partition__codeblock_ngb_wz1_bdc" data-ofbid="config-filesys-and-partition__codeblock_ngb_wz1_bdc"><span class="hl-string">"spi-nand"</span>: { <em class="hl-comment">// Device, The name should be the same with string in image:info:media:type</em>
<span class="hl-string">"size"</span>: <span class="hl-string">"128m"</span>, <em class="hl-comment">// Size of SPI NAND</em>
<span class="hl-string">"partitions"</span>: {
<span class="hl-string">"spl"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"1m"</span> },
<span class="hl-string">"userid"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"256k"</span> }, <em class="hl-comment">// at least 16KB</em>
<span class="hl-string">"env"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"256k"</span> },
<span class="hl-string">"env_r"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"256k"</span> },
<span class="hl-string">"os"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"2m"</span> },
<span class="hl-string">"os_r"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"2m"</span> },
<span class="hl-string">"rodata"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"14m"</span> },
<span class="hl-string">"rodata_r"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"14m"</span> },
<span class="hl-string">"data"</span>: {
<span class="hl-string">"size"</span>: <span class="hl-string">"40m"</span>,
<span class="hl-string">"nftl"</span>: { <em class="hl-comment">// Volume in NFTL device</em>
<span class="hl-string">"data"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"-"</span> },
},
},
<span class="hl-string">"data_r"</span>: {
<span class="hl-string">"size"</span>: <span class="hl-string">"40m"</span>,
<span class="hl-string">"nftl"</span>: { <em class="hl-comment">// Volume in NFTL device</em>
<span class="hl-string">"data"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"-"</span> },
},
},
},
},</pre>
<div class="- topic/note note note note_note" id="config-filesys-and-partition__note_j3g_vxq_ndc" data-ofbid="config-filesys-and-partition__note_j3g_vxq_ndc"><span class="note__title">注：</span> 调整分区后要跳到 BootLoader 配置编译，或者在 RT-Thread 配置下使用
<span class="+ topic/keyword sw-d/cmdname keyword cmdname">mb</span> 命令编译。</div>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d59030e117__20250519091508">基于 SPI NOR 的 Image 信息，在 <span class="+ topic/ph sw-d/filepath ph filepath">target/dxxx/xxx/pack/image_cfg.json</span>
v1.2.0
2025-04-23 17:54:31 +08:00
中设置 SPI NAND
的镜像信息：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="config-filesys-and-partition__codeblock_ut2_wqr_x2c" data-ofbid="config-filesys-and-partition__codeblock_ut2_wqr_x2c"> <span class="hl-string">"image"</span>: {
<span class="hl-string">"info"</span>: { <em class="hl-comment">// Header information about image</em>
<span class="hl-string">"platform"</span>: <span class="hl-string">"d21x"</span>,
<span class="hl-string">"version"</span>: <span class="hl-string">"1.0.0"</span>,
<span class="hl-string">"media"</span>: {
- <span class="hl-string">"type"</span>: <span class="hl-string">"spi-nor"</span>,
+ <span class="hl-string">"type"</span>: <span class="hl-string">"spi-nand"</span>,
<span class="hl-string">"device_id"</span>: <span class="hl-number">0</span>,
+ <span class="hl-string">"array_organization"</span>: [
+ { <span class="hl-string">"page"</span>: <span class="hl-string">"2k"</span>, <span class="hl-string">"block"</span>: <span class="hl-string">"128k"</span>, <span class="hl-string">"oob"</span>: <span class="hl-string">"64"</span> },
+ <em class="hl-comment">// { "page": "4k", "block": "256k", "oob": "128" },</em>
+ ],
}
},
<span class="hl-string">"updater"</span>: { <em class="hl-comment">// Image writer which is downloaded to RAM by USB</em>
@@ -<span class="hl-number">56</span>,<span class="hl-number">8</span> +<span class="hl-number">71</span>,<span class="hl-number">8</span> @@
<span class="hl-string">"part"</span>: [<span class="hl-string">"rodata"</span>]
},
<span class="hl-string">"data"</span>: {
- <span class="hl-string">"file"</span>: <span class="hl-string">"data.lfs"</span>,
- <span class="hl-string">"attr"</span>: [<span class="hl-string">"mtd"</span>, <span class="hl-string">"optional"</span>],
+ <span class="hl-string">"file"</span>: <span class="hl-string">"data.fatfs"</span>,
+ <span class="hl-string">"attr"</span>: [<span class="hl-string">"block"</span>, <span class="hl-string">"optional"</span>],
<span class="hl-string">"part"</span>: [<span class="hl-string">"data"</span>]
},
v1.2.1
2025-07-22 11:15:46 +08:00
},</pre><div class="- topic/p p" data-ofbid="d59030e124__20250519091508">SDK 也支持 "page" 大小为 4K 的 SPI
v1.2.0
2025-04-23 17:54:31 +08:00
NAND，但使用场景较少。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="config-filesys-and-partition__codeblock_yf5_fx1_bdc" data-ofbid="config-filesys-and-partition__codeblock_yf5_fx1_bdc"><span class="hl-string">"media"</span>: {
<span class="hl-string">"type"</span>: <span class="hl-string">"spi-nand"</span>,
<span class="hl-string">"device_id"</span>: <span class="hl-number">0</span>,
<span class="hl-string">"array_organization"</span>: [
{ <span class="hl-string">"page"</span>: <span class="hl-string">"2k"</span>, <span class="hl-string">"block"</span>: <span class="hl-string">"128k"</span>, <span class="hl-string">"oob"</span>: <span class="hl-string">"64"</span> },
<em class="hl-comment">// { "page": "4k", "block": "256k", "oob": "128" },</em>
],
}
},</pre></div></li>
</ol>
</section>
<section class="- topic/section section" id="config-filesys-and-partition__section_psd_b3p_w2c" data-ofbid="config-filesys-and-partition__section_psd_b3p_w2c"><h2 class="- topic/title title sectiontitle">eMMC 文件系统和分区</h2>
<ol class="- topic/ol ol" id="config-filesys-and-partition__ol_aww_jrr_x2c" data-ofbid="config-filesys-and-partition__ol_aww_jrr_x2c">
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d59030e138__20250519091508">
<div class="- topic/p p" data-ofbid="d59030e140__20250519091508">eMMC 默认采用
v1.2.0
2025-04-23 17:54:31 +08:00
FATFS。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="config-filesys-and-partition__codeblock_ndl_jrr_x2c" data-ofbid="config-filesys-and-partition__codeblock_ndl_jrr_x2c">Application options ---&gt;
[*] Using File System Image <span class="hl-number">0</span> ---&gt;
--- Using File System Image <span class="hl-number">0</span>
Select File System Type (FATFS) ---&gt;
(rodata/) Data Directory
(rodata.fatfs) Image Name
[*] Using File System Image <span class="hl-number">1</span> ---&gt;
--- Using File System Image <span class="hl-number">1</span>
Select File System Type (FATFS) ---&gt;
(data/) Data Directory
(data.fatfs) Image Name</pre></div>
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d59030e145__20250519091508">以 <span class="+ topic/ph sw-d/filepath ph filepath">d21x demo88-mmc</span> 工程为例， 编译出来的固件为
v1.2.0
2025-04-23 17:54:31 +08:00
<span class="+ topic/ph sw-d/filepath ph filepath">d21x_demo88_mmc_v1.0.0.img</span>。</p>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d59030e155__20250519091508">
<p class="- topic/p p" data-ofbid="d59030e157__20250519091508">在 <span class="+ topic/ph sw-d/filepath ph filepath">target/dxxx/xxx/pack/image_cfg.json</span> 中，配置分区信息：</p>
<p class="- topic/p p" data-ofbid="d59030e163__20250519091508">可以从其他 SPI NOR 方案中复制 image_cfg.json 到本方案，也可以手工修改。</p>
<div class="- topic/p p" data-ofbid="d59030e166__20250519091508">
v1.2.0
2025-04-23 17:54:31 +08:00
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="config-filesys-and-partition__codeblock_lvq_vy1_bdc" data-ofbid="config-filesys-and-partition__codeblock_lvq_vy1_bdc"><span class="hl-string">"mmc"</span>: { <em class="hl-comment">// Device, The name should be the same with string in image:info:media:type</em>
<span class="hl-string">"size"</span>: <span class="hl-string">"8G"</span>, <em class="hl-comment">// Size of SD/eMMC</em>
<span class="hl-string">"partitions"</span>: { <em class="hl-comment">// Partition table apply to device</em>
<span class="hl-string">"spl"</span>: { <span class="hl-string">"offset"</span>: <span class="hl-string">"0x4400"</span>, <span class="hl-string">"size"</span>: <span class="hl-string">"495k"</span> },
<span class="hl-string">"env"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"256k"</span> },
<span class="hl-string">"env_r"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"256k"</span> },
<span class="hl-string">"os"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"8m"</span> },
<span class="hl-string">"os_r"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"8m"</span> },
<span class="hl-string">"rodata"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"12m"</span> },
<span class="hl-string">"rodata_r"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"12m"</span> },
<span class="hl-string">"data"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"35m"</span> },
<span class="hl-string">"data_r"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"35m"</span> },
},
},</pre>
</div>
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d59030e172__20250519091508">eMMC 的接口协议固定，因此不需要进行新器件型号的移植。调整分区大小时，也需要同时调整固件的大小来和分区匹配。</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d59030e176__20250519091508">在 <span class="+ topic/ph sw-d/filepath ph filepath">target/dxxx/xxx/pack/image_cfg.json</span> 中设置基于 eMMC 的 Image
v1.2.0
2025-04-23 17:54:31 +08:00
信息：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="config-filesys-and-partition__codeblock_vlb_5rr_x2c" data-ofbid="config-filesys-and-partition__codeblock_vlb_5rr_x2c"> <span class="hl-string">"image"</span>: {
<span class="hl-string">"info"</span>: { <em class="hl-comment">// Header information about image</em>
<span class="hl-string">"platform"</span>: <span class="hl-string">"d21x"</span>,
<span class="hl-string">"version"</span>: <span class="hl-string">"1.0.0"</span>,
<span class="hl-string">"media"</span>: {
- <span class="hl-string">"type"</span>: <span class="hl-string">"spi-nor"</span>,
+ <span class="hl-string">"type"</span>: <span class="hl-string">"mmc"</span>,
<span class="hl-string">"device_id"</span>: <span class="hl-number">0</span>,
}
},
<span class="hl-string">"updater"</span>: { <em class="hl-comment">// Image writer which is downloaded to RAM by USB</em>
@@ -<span class="hl-number">56</span>,<span class="hl-number">8</span> +<span class="hl-number">71</span>,<span class="hl-number">8</span> @@
<span class="hl-string">"part"</span>: [<span class="hl-string">"rodata"</span>]
},
<span class="hl-string">"data"</span>: {
- <span class="hl-string">"file"</span>: <span class="hl-string">"data.lfs"</span>,
- <span class="hl-string">"attr"</span>: [<span class="hl-string">"mtd"</span>, <span class="hl-string">"optional"</span>],
+ <span class="hl-string">"file"</span>: <span class="hl-string">"data.fatfs"</span>,
+ <span class="hl-string">"attr"</span>: [<span class="hl-string">"block"</span>, <span class="hl-string">"optional"</span>],
<span class="hl-string">"part"</span>: [<span class="hl-string">"data"</span>]
},
},</pre></li>
</ol>
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#config-filesys-and-partition__section_ids_c3p_w2c" data-tocid="config-filesys-and-partition__section_ids_c3p_w2c">SPI NOR 文件系统和分区</a></div></li><li class="section-item"><div class="section-title"><a href="#config-filesys-and-partition__section_opz_d3p_w2c" data-tocid="config-filesys-and-partition__section_opz_d3p_w2c">SPI NAND 文件系统和分区</a></div></li><li class="section-item"><div class="section-title"><a href="#config-filesys-and-partition__section_psd_b3p_w2c" data-tocid="config-filesys-and-partition__section_psd_b3p_w2c">eMMC 文件系统和分区</a></div></li></ul></div>
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