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data-tocid="spi_nand_user_guide-d4445e4239" class="topicref" data-id="spi_nand_user_guide" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action spi_nand_user_guide-d4445e4239-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/spinand/spi-nand-user-guide.html" id="spi_nand_user_guide-d4445e4239-link">SPI NAND 使用指南</a></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem"><div data-tocid="spi_nand_configuration-d4445e4253" class="topicref" data-id="spi_nand_configuration" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/spinand/spi-nand_config.html" id="spi_nand_configuration-d4445e4253-link">SPI NAND 配置</a></div></div></li><li role="treeitem" aria-expanded="true"><div data-tocid="spi_nand_transplant_guide-d4445e4267" class="topicref" data-id="spi_nand_transplant_guide" data-state="expanded"><span role="button" tabindex="0" 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class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/spinor/spinor_user_guide.html" id="spi_nor_user_guide-d4445e4297-link">SPI NOR 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_n3v_ttw_bzb-d4445e4354" class="topicref" data-id="concept_n3v_ttw_bzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_n3v_ttw_bzb-d4445e4354-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/file-system/file-system-user-guide.html" id="concept_n3v_ttw_bzb-d4445e4354-link">文件系统使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_mcc_32s_nbc-d4445e4438" class="topicref" data-id="concept_mcc_32s_nbc" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_mcc_32s_nbc-d4445e4438-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-multi-media-sdk.html" id="concept_mcc_32s_nbc-d4445e4438-link">多媒体</a><div class="wh-tooltip"><p class="shortdesc">GE、VE、Display、DVP、MPP、MPP 播放器等多媒体模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d4445e5947" class="topicref" data-id="concept_nww_hzh_pzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_nww_hzh_pzb-d4445e5947-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d4445e5947-link">接口</a><div class="wh-tooltip"><p class="shortdesc">CAN、CIR、GPAI、GPIO、I2C、PSADC、PWM 等接口模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-safety-d4445e7944" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action 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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">
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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/spinand/spi-nand_table.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">配置 <code class="+ topic/ph pr-d/codeph ph codeph">xxx_spinand_table</code></h1>
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<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 6 minute(s)
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<div class="- topic/p p" data-ofbid="d179111e35__20250123155219"><code class="+ topic/ph pr-d/codeph ph codeph">xxx_spinand_table</code> 数据结构为第二级索引，描述厂商的系列器件信息，是 SPI NAND
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驱动的核心，描述了下列参数信息：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_nand_table__codeblock_ccr_dry_c1c" data-ofbid="spi_nand_table__codeblock_ccr_dry_c1c"><code><strong class="hl-keyword">static</strong> <strong class="hl-keyword">const</strong> <strong class="hl-keyword">struct</strong> spinand_info foresee_spinand_table[] = {
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SPINAND_INFO(<span class="hl-string">"F35SQA002G"</span>,
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, <span class="hl-number">0x72</span>),
|
||
NAND_MEMORG(<span class="hl-number">1</span>, <span class="hl-number">2048</span>, <span class="hl-number">64</span>, <span class="hl-number">64</span>, <span class="hl-number">2048</span>, <span class="hl-number">40</span>, <span class="hl-number">1</span>, <span class="hl-number">1</span>, <span class="hl-number">1</span>),
|
||
NAND_ECCREQ(<span class="hl-number">1</span>, <span class="hl-number">528</span>),
|
||
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
|
||
&write_cache_variants,
|
||
&update_cache_variants),
|
||
SPINAND_HAS_QE_BIT,
|
||
SPINAND_ECCINFO(&f35sqa_ooblayout,
|
||
f35sqa_ecc_get_status)),
|
||
};</code></pre></div>
|
||
<section class="- topic/section section" id="spi_nand_table__section_odw_vkb_ndc" data-ofbid="spi_nand_table__section_odw_vkb_ndc"><h2 class="- topic/title title sectiontitle">配置 <code class="+ topic/ph pr-d/codeph ph codeph">NAND_MEMORG</code></h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d179111e49__20250123155219">芯片存储结构 <code class="+ topic/ph pr-d/codeph ph codeph">memorg</code> 通过 NAND_MEMORG 结构描述。一般情况下，器件数据手册会在开头描述
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">memorg</code> 信息。<code class="+ topic/ph pr-d/codeph ph codeph">NAND_MEMORG</code>
|
||
的参数示例描述如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_nand_table__codeblock_pwq_3ry_c1c" data-ofbid="spi_nand_table__codeblock_pwq_3ry_c1c"><code>#<span class="hl-directive">define</span> NAND_MEMORG(bpc, ps, os, ppe, epl, mbb, ppl, lpt, nt)
|
||
{
|
||
.bits_per_cell = (bpc), <em class="hl-comment">// Cell 是 NAND 的最小单元，一般只能存储 1bit，少有其他值得</em>
|
||
.pagesize = (ps), <em class="hl-comment">// 页大小，大部分的器件的页通过（N + Mbytes）的方式描述，N 为页大小，M 为 oob</em>
|
||
.oobsize = (os), <em class="hl-comment">//界外大小，一般用于存放 ECC 校验数据或其它数据，和 pagesize 共同描述</em>
|
||
.pages_per_eraseblock = (ppe), <em class="hl-comment">// 一个擦除块有多少个页</em>
|
||
.eraseblocks_per_lun = (epl), <em class="hl-comment">// 一个 lun（die）有多少个擦除块,1Gb/(64 x 2048 x 8) = 1024</em>
|
||
.max_bad_eraseblocks_per_lun = (mbb), <em class="hl-comment">//器件出厂的最大坏块数，一般在数据手册中通过 bad blocks 查找到</em>
|
||
.planes_per_lun = (ppl), <em class="hl-comment">//一般设置为 1，单 die</em>
|
||
.luns_per_target = (lpt), <em class="hl-comment">//一般设置为 1</em>
|
||
.ntargets = (nt), <em class="hl-comment">//一般设置为 1</em>
|
||
}</code></pre></div>
|
||
</section>
|
||
<div class="- topic/example example" id="spi_nand_table__example_l1g_4ry_c1c" data-ofbid="spi_nand_table__example_l1g_4ry_c1c"><h2 class="- topic/title title sectiontitle">配置 FM25S01A 中的 <code class="+ topic/ph pr-d/codeph ph codeph">NAND_MEMORG</code></h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d179111e71__20250123155219">对于 <code class="+ topic/ph pr-d/codeph ph codeph">FM25S01A</code>，按照下列描述配置参数 NAND_MEMORG (1, 2048, 64, 64, 1024, 20, 1, 1,
|
||
1)</p>
|
||
<ul class="- topic/ul ul" id="spi_nand_table__ul_uqq_nqy_c1c" data-ofbid="spi_nand_table__ul_uqq_nqy_c1c">
|
||
<li class="- topic/li li" data-ofbid="d179111e79__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e81__20250123155219">single cell， 则 bpc 设置为 1</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e85__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e87__20250123155219">Page size： 2048 + 64 bytes， 则 pagesize = 2048， oobsize = 64</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e91__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e93__20250123155219">Block size： 64 pages， 则 pages_per_eraseblock = 64</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e97__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e99__20250123155219">eraseblocks_per_lun 通过计算所得，该器件容量为 1Gb，一个 block 的容量为 （64 pages x 2048 bytes）=
|
||
128KB，则 1Gb / 128KB = 1024, 注意 bit 和 byte 的单位</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e103__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e105__20250123155219">max_bad_eraseblocks_per_lun：0014h (16 进制) = 20（十进制）</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e110__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e112__20250123155219">ppl，lpt，nt 描述的是该器件中有几个单元，大部分为 1，lun 对应器件上的 die，即有几个晶圆</p>
|
||
</li>
|
||
</ul>
|
||
<div class="- topic/p p" data-ofbid="d179111e117__20250123155219">
|
||
<figure class="- topic/fig fig fignone" id="spi_nand_table__fig_vdf_lmb_ndc" data-ofbid="spi_nand_table__fig_vdf_lmb_ndc">
|
||
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="spi_nand_table__image_vqq_nqy_c1c" src="../../../images/memory/FM25S01A-1.png" width="288" alt="FM25S01A-1"/></div><br/>
|
||
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">FM25S01A 数据手册描述示例</span></figcaption></figure>
|
||
</div>
|
||
</div>
|
||
<div class="- topic/example example" id="spi_nand_table__example_css_pry_c1c" data-ofbid="spi_nand_table__example_css_pry_c1c"><h2 class="- topic/title title sectiontitle">配置 F35SQA002G 中的 <code class="+ topic/ph pr-d/codeph ph codeph">NAND_MEMORG</code></h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d179111e140__20250123155219">对于 <code class="+ topic/ph pr-d/codeph ph codeph">F35SQA002G</code>，按照下列描述配置参数 NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1,
|
||
1, 1)</p>
|
||
<ul class="- topic/ul ul" id="spi_nand_table__ul_xqq_nqy_c1c" data-ofbid="spi_nand_table__ul_xqq_nqy_c1c">
|
||
<li class="- topic/li li" data-ofbid="d179111e148__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e150__20250123155219">cell 未明确， bpc 设置为 1</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e154__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e156__20250123155219">Page size： 2k + 64 bytes， 则 pagesize = 2048， oobsize = 64</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e160__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e162__20250123155219">Block size： 64 pages， 则 pages_per_eraseblock = 64</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e166__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e168__20250123155219">eraseblocks_per_lun 通过计算所得，该器件容量为 2Gb（256MB），一个 block 的容量为 （64 pages x 2048
|
||
bytes）= 128KB，则 256M / 128KB = 2048</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e172__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e174__20250123155219">max_bad_eraseblocks_per_lun：0028h (16 进制) = 40 （十进制）</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e179__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e181__20250123155219">ppl，lpt，nt 描述的是该器件中有几个单元，大部分为 1，lun 对应器件上的 die，即有几个晶圆</p>
|
||
</li>
|
||
</ul>
|
||
<div class="- topic/p p" data-ofbid="d179111e186__20250123155219">
|
||
<figure class="- topic/fig fig fignone" id="spi_nand_table__fig_g31_cmb_ndc" data-ofbid="spi_nand_table__fig_g31_cmb_ndc">
|
||
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="spi_nand_table__image_yqq_nqy_c1c" src="../../../images/memory/F35SQA-1.png" width="384" alt="F35SQA-1"/></div><br/>
|
||
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 2</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">F35SQA002G 数据手册描述示例</span></figcaption></figure>
|
||
</div>
|
||
</div>
|
||
<section class="- topic/section section" id="spi_nand_table__section_zqq_nqy_c1c" data-ofbid="spi_nand_table__section_zqq_nqy_c1c"><h2 class="- topic/title title sectiontitle">NAND_ECCREQ</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d179111e207__20250123155219"> Error Correcting Code (ECC)，可以在数据手册中搜索 <code class="+ topic/ph pr-d/codeph ph codeph">ECC</code> 字样获得， 如 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="spi-nand_table.html#spi_nand_table__fig_g31_cmb_ndc">F35SQA002G 数据手册描述示例</a>所示。 NAND_ECCREQ 参数用来描述每个 stp byte
|
||
包含多少位的内部 ECC：</p>
|
||
<ul class="- topic/ul ul" id="spi_nand_table__ul_arq_nqy_c1c" data-ofbid="spi_nand_table__ul_arq_nqy_c1c">
|
||
<li class="- topic/li li" data-ofbid="d179111e219__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e221__20250123155219">对于 FM25S01A：NAND_ECCREQ(1, 512)</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e225__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e227__20250123155219">对于 F35SQA002G：NAND_ECCREQ(1, 528)</p>
|
||
</li>
|
||
</ul>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_nand_table__codeblock_xvm_wsy_c1c" data-ofbid="spi_nand_table__codeblock_xvm_wsy_c1c"><code>#<span class="hl-directive">define</span> NAND_ECCREQ(str, stp) { .strength = (str), .step_size = (stp) }</code></pre>
|
||
</section>
|
||
<section class="- topic/section section" id="spi_nand_table__section_crq_nqy_c1c" data-ofbid="spi_nand_table__section_crq_nqy_c1c"><h2 class="- topic/title title sectiontitle">SPINAND_INFO_OP_VARIANTS</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d179111e242__20250123155219">在配置 SPI NAND 设备时，SPINAND_INFO_OP_VARIANTS
|
||
结构用于定义不同总线宽度下的缓存操作接口，包括读取缓存、写入缓存和更新缓存的操作：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_nand_table__codeblock_iqk_zsy_c1c" data-ofbid="spi_nand_table__codeblock_iqk_zsy_c1c"><code>#<span class="hl-directive">define</span> SPINAND_INFO_OP_VARIANTS(__read, __write, __update) \
|
||
{ \
|
||
.read_cache = __read, \
|
||
.write_cache = __write, \
|
||
.update_cache = __update, \
|
||
}</code></pre></div>
|
||
<div class="- topic/p p" data-ofbid="d179111e247__20250123155219">以下是如何根据数据手册设置缓存操作的详细步骤：<ul class="- topic/ul ul" id="spi_nand_table__ol_wzp_bty_c1c" data-ofbid="spi_nand_table__ol_wzp_bty_c1c">
|
||
<li class="- topic/li li" data-ofbid="d179111e251__20250123155219"><strong class="+ topic/ph hi-d/b ph b">read_cache_variants</strong><p class="- topic/p p" data-ofbid="d179111e254__20250123155219">根据数据手册中的命令列表，为不同的总线宽度配置读取缓存操作。可以在数据手册中搜索
|
||
commands 或者 command set 获得 command 列表进行设置。例如：</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_nand_table__codeblock_hsn_zsy_c1c" data-ofbid="spi_nand_table__codeblock_hsn_zsy_c1c"><code> SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(<span class="hl-number">0</span>, <span class="hl-number">1</span>, NULL, <span class="hl-number">0</span>), <em class="hl-comment">//command id：0xeb</em>
|
||
SPINAND_PAGE_READ_FROM_CACHE_X4_OP(<span class="hl-number">0</span>, <span class="hl-number">1</span>, NULL, <span class="hl-number">0</span>), <em class="hl-comment">//command id：0x6b</em>
|
||
SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(<span class="hl-number">0</span>, <span class="hl-number">1</span>, NULL, <span class="hl-number">0</span>), <em class="hl-comment">//command id：0xbb</em>
|
||
SPINAND_PAGE_READ_FROM_CACHE_X2_OP(<span class="hl-number">0</span>, <span class="hl-number">1</span>, NULL, <span class="hl-number">0</span>), <em class="hl-comment">//command id：0x3b</em>
|
||
SPINAND_PAGE_READ_FROM_CACHE_OP(true, <span class="hl-number">0</span>, <span class="hl-number">1</span>, NULL, <span class="hl-number">0</span>), <em class="hl-comment">//command id：0x0b</em>
|
||
SPINAND_PAGE_READ_FROM_CACHE_OP(false, <span class="hl-number">0</span>, <span class="hl-number">1</span>, NULL, <span class="hl-number">0</span>)); <em class="hl-comment">//command id：0x03</em></code></pre><div class="- topic/p p" data-ofbid="d179111e258__20250123155219">
|
||
<ul class="- topic/ul ul" id="spi_nand_table__ul_ogm_lnb_ndc" data-ofbid="spi_nand_table__ul_ogm_lnb_ndc">
|
||
<li class="- topic/li li" data-ofbid="d179111e262__20250123155219">
|
||
<div class="- topic/p p" data-ofbid="d179111e264__20250123155219">SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0) <ul class="- topic/ul ul" id="spi_nand_table__ul_xgc_gty_c1c" data-ofbid="spi_nand_table__ul_xgc_gty_c1c">
|
||
<li class="- topic/li li" data-ofbid="d179111e268__20250123155219"> (0, 1, NULL, 0) 分别表示地址、dummy 的 bite 长度、读取数据的 buf
|
||
以及读取数据的长度参数。详细配置值解析如下：<ul class="- topic/ul ul" id="spi_nand_table__ul_grq_nqy_c1c" data-ofbid="spi_nand_table__ul_grq_nqy_c1c">
|
||
<li class="- topic/li li" data-ofbid="d179111e272__20250123155219">0：后续赋值，以此设为规定值 0。</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e275__20250123155219">1：大部分为 1，少数部分为 2，可在数据手册中查找获得。<p class="- topic/p p" data-ofbid="d179111e277__20250123155219">如果器件对 0xeb 的
|
||
dummy 没有明确标识，则设置为 1。</p></li>
|
||
<li class="- topic/li li" data-ofbid="d179111e280__20250123155219">NULL：续赋值，此处固定为 NULL。</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e283__20250123155219">0：后续赋值，所以设置为固定值 0。</li>
|
||
</ul></li>
|
||
<li class="- topic/li li" data-ofbid="d179111e287__20250123155219">在 (0, 1, NULL, 0) 代表的四个参数中，仅需从数据手册中去获取 dummy
|
||
的长度即可，其他均赋固定值。</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e290__20250123155219">如果器件支持的命令较少，需要去掉部分不支持的操作。可根据 variants 的 command id
|
||
来判断，如```F35SQA002G```不支持 0xeb 和 0xbb 命令。</li>
|
||
</ul></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e295__20250123155219">SPINAND_PAGE_READ_FROM_CACHE_OP<ul class="- topic/ul ul" id="spi_nand_table__ul_hrq_nqy_c1c" data-ofbid="spi_nand_table__ul_hrq_nqy_c1c">
|
||
<li class="- topic/li li" data-ofbid="d179111e300__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e302__20250123155219">设置两次，分别设为 normal read 0x3 和 fast read 0xb</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d179111e306__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e308__20250123155219">第一个参数为 fast read 标志，对于支持 0x0b 和 0x03
|
||
两个命令的器件，此二者必须成对存在，并且参数一致</p>
|
||
</li>
|
||
</ul><div class="- topic/p p" data-ofbid="d179111e313__20250123155219">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="spi_nand_table__image_irq_nqy_c1c" src="../../../images/memory/FM25S01A-com2.png" width="480" alt="FM25S01A-com2"/></div><br/>
|
||
</div><div class="- topic/p p" data-ofbid="d179111e321__20250123155219">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="spi_nand_table__image_jrq_nqy_c1c" src="../../../images/memory/F35SQA-com2.png" width="480" alt="F35SQA-com2"/></div><br/>
|
||
</div></li>
|
||
</ul>
|
||
</div></li>
|
||
<li class="- topic/li li" data-ofbid="d179111e332__20250123155219"><strong class="+ topic/ph hi-d/b ph b">write_cache_variants</strong><p class="- topic/p p" data-ofbid="d179111e335__20250123155219">所有器件的写缓存操作设置都一致，不需要根据数据手册更改：</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_nand_table__codeblock_wbw_zsy_c1c" data-ofbid="spi_nand_table__codeblock_wbw_zsy_c1c"><code><strong class="hl-keyword">static</strong> SPINAND_OP_VARIANTS(update_cache_variants,
|
||
SPINAND_PROG_LOAD_X4(false, <span class="hl-number">0</span>, NULL, <span class="hl-number">0</span>),
|
||
SPINAND_PROG_LOAD(false, <span class="hl-number">0</span>, NULL, <span class="hl-number">0</span>));</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d179111e340__20250123155219"><strong class="+ topic/ph hi-d/b ph b">update_cache_variants</strong><p class="- topic/p p" data-ofbid="d179111e343__20250123155219">所有器件的更新缓存操作设置都一致，不需要根据数据手册更改：</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_nand_table__codeblock_fqx_zsy_c1c" data-ofbid="spi_nand_table__codeblock_fqx_zsy_c1c"><code><strong class="hl-keyword">static</strong> SPINAND_OP_VARIANTS(update_cache_variants,
|
||
SPINAND_PROG_LOAD_X4(false, <span class="hl-number">0</span>, NULL, <span class="hl-number">0</span>),
|
||
SPINAND_PROG_LOAD(false, <span class="hl-number">0</span>, NULL, <span class="hl-number">0</span>));</code></pre></li>
|
||
</ul></div>
|
||
</section>
|
||
<section class="- topic/section section" id="spi_nand_table__section_orq_nqy_c1c" data-ofbid="spi_nand_table__section_orq_nqy_c1c"><h2 class="- topic/title title sectiontitle">SPINAND_ECCINFO</h2><p class="- topic/p p" data-ofbid="d179111e353__20250123155219">SPI NAND 的坏块管理分为两部分：器件内部硬件逻辑进行的管理，和器件对外提供给用户手工操作的管理逻辑。</p>
|
||
<p class="- topic/p p" data-ofbid="d179111e356__20250123155219">ECCINFO 即表示对外暴露给用户进行手工操作的区域。即便不设置 ECCINFO 信息，坏块管理依然处于工作状态。器件自身的坏块管理更高效，因此一般占 ECC
|
||
容量的大部分。现在大部分器件都不再提供用户操作接口，因为使用门槛比较高。</p>
|
||
<div class="- topic/p p" data-ofbid="d179111e359__20250123155219">以下是 ECCINFO 的配置示例：<ul class="- topic/ul ul" id="spi_nand_table__ul_qrq_nqy_c1c" data-ofbid="spi_nand_table__ul_qrq_nqy_c1c">
|
||
<li class="- topic/li li" data-ofbid="d179111e363__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e365__20250123155219">Toshiba 的 TC58CYG0S3HRAIJ 的 ECC 为 64Byte：</p>
|
||
<div class="- topic/p p" data-ofbid="d179111e368__20250123155219">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="spi_nand_table__image_srq_nqy_c1c" src="../../../images/spinand/toshiba-ecc.png" width="480" alt="toshiba-ecc"/></div><br/>
|
||
</div>
|
||
<div class="- topic/p p" data-ofbid="d179111e377__20250123155219">
|
||
<ol class="- topic/ol ol" id="spi_nand_table__ol_shj_3qb_ndc" data-ofbid="spi_nand_table__ol_shj_3qb_ndc">
|
||
<li class="- topic/li li" data-ofbid="d179111e381__20250123155219">使用定义宏 <code class="+ topic/ph pr-d/codeph ph codeph">SPINAND_ECCINFO</code> 定义 ECCINFO
|
||
结构体，其中包含两个函数指针：<code class="+ topic/ph pr-d/codeph ph codeph">ooblayout</code> 和
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">get_status</code>：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_nand_table__codeblock_ehd_1ty_c1c" data-ofbid="spi_nand_table__codeblock_ehd_1ty_c1c"><code>#<span class="hl-directive">define</span> SPINAND_ECCINFO(__ooblayout, __get_status)
|
||
.eccinfo = {
|
||
.ooblayout = __ooblayout, <em class="hl-comment">//ooblayot 操作函数集合</em>
|
||
.get_status = __get_status, <em class="hl-comment">//获取 ECC 状态</em>
|
||
}</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d179111e395__20250123155219">
|
||
<div class="- topic/p p" data-ofbid="d179111e397__20250123155219">配置 <code class="+ topic/ph pr-d/codeph ph codeph">toshiba_spi_nand</code> 的
|
||
ECCINFO，示例如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_nand_table__codeblock_blq_2qb_ndc" data-ofbid="spi_nand_table__codeblock_blq_2qb_ndc"><code><strong class="hl-keyword">static</strong> <strong class="hl-keyword">int</strong> tx58cxgxsxraix_ooblayout_ecc(<strong class="hl-keyword">struct</strong> mtd_info *mtd, <strong class="hl-keyword">int</strong> section,
|
||
<strong class="hl-keyword">struct</strong> mtd_oob_region *region)
|
||
{
|
||
<strong class="hl-keyword">if</strong> (section > <span class="hl-number">0</span>)
|
||
<strong class="hl-keyword">return</strong> -ERANGE;
|
||
|
||
region->offset = mtd->oobsize / <span class="hl-number">2</span>; <em class="hl-comment">//ECC 总长度为 128Byte，64B 为对外</em>
|
||
region->length = mtd->oobsize / <span class="hl-number">2</span>; <em class="hl-comment">//长度也为 64</em>
|
||
|
||
<strong class="hl-keyword">return</strong> <span class="hl-number">0</span>;
|
||
}</code></pre></div>
|
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</li>
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</ol>
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</div>
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</li>
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<li class="- topic/li li" data-ofbid="d179111e409__20250123155219">
|
||
<p class="- topic/p p" data-ofbid="d179111e411__20250123155219">FM25S01A 和 F35SQA002G 两款器件都没有提供外部使用接口：</p>
|
||
<div class="- topic/p p" data-ofbid="d179111e414__20250123155219">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="spi_nand_table__image_trq_nqy_c1c" src="../../../images/memory/FM25S01A-ecc.png" width="480" alt="FM25S01A-ecc"/></div><br/>
|
||
</div>
|
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<div class="- topic/p p" data-ofbid="d179111e423__20250123155219">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="spi_nand_table__image_urq_nqy_c1c" src="../../../images/memory/F35SQA-ecc.png" width="480" alt="F35SQA-ecc"/></div><br/>
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</div>
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</ul></div></section>
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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="#spi_nand_table__section_odw_vkb_ndc" data-tocid="spi_nand_table__section_odw_vkb_ndc">配置 <code class="+ topic/ph pr-d/codeph ph codeph">NAND_MEMORG</code></a></div></li><li class="section-title"><a href="#spi_nand_table__example_l1g_4ry_c1c" data-tocid="spi_nand_table__example_l1g_4ry_c1c">配置 FM25S01A 中的 <code class="+ topic/ph pr-d/codeph ph codeph">NAND_MEMORG</code></a></li><li class="section-title"><a href="#spi_nand_table__example_css_pry_c1c" data-tocid="spi_nand_table__example_css_pry_c1c">配置 F35SQA002G 中的 <code class="+ topic/ph pr-d/codeph ph codeph">NAND_MEMORG</code></a></li><li class="section-item"><div class="section-title"><a href="#spi_nand_table__section_zqq_nqy_c1c" data-tocid="spi_nand_table__section_zqq_nqy_c1c">NAND_ECCREQ</a></div></li><li class="section-item"><div class="section-title"><a href="#spi_nand_table__section_crq_nqy_c1c" data-tocid="spi_nand_table__section_crq_nqy_c1c">SPINAND_INFO_OP_VARIANTS</a></div></li><li class="section-item"><div class="section-title"><a href="#spi_nand_table__section_orq_nqy_c1c" data-tocid="spi_nand_table__section_orq_nqy_c1c">SPINAND_ECCINFO</a></div></li></ul></div>
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