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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/bringup/bringup-ic-configuration.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">IC
配置</h1>
<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
Read time: 3 minute(s)
</div>
<div class="- topic/body concept/conbody body conbody">
<div class="- topic/p p" data-ofbid="d96378e42__20250123155207">D21x 是一个 IC 系列, 是不同的引脚数和不同的 ddr 容量的组合,因此在进行 Bringup 的时候要确保配置的正确。<ol class="- topic/ol ol" id="bringup_icConfiguration__ol_pql_xwb_d1c" data-ofbid="bringup_icConfiguration__ol_pql_xwb_d1c">
<li class="- topic/li li" data-ofbid="d96378e46__20250123155207">内存配置<div class="- topic/p p" data-ofbid="d96378e48__20250123155207">型号区分 <ul class="- topic/ul ul" id="bringup_icConfiguration__ul_dgr_pzl_jdc" data-ofbid="bringup_icConfiguration__ul_dgr_pzl_jdc">
<li class="- topic/li li" data-ofbid="d96378e52__20250123155207">
<p class="- topic/p p" data-ofbid="d96378e54__20250123155207">D21XXB64M ddr2譬如 D211BB </p>
</li>
<li class="- topic/li li" data-ofbid="d96378e58__20250123155207">
<p class="- topic/p p" data-ofbid="d96378e60__20250123155207">D21XXC128M ddr3 譬如 D211BC, D213EC</p>
</li>
</ul><div class="- topic/note note note note_note" id="bringup_icConfiguration__note_ilc_qqn_y1c" data-ofbid="bringup_icConfiguration__note_ilc_qqn_y1c"><span class="note__title">注:</span> <div class="note__body">目前 SDK 可以自动 turning ddr 的型号并进行初始化,但在
<span class="+ topic/ph sw-d/filepath ph filepath">board.dts</span>
中有对应用层容量进行配置的地方需要注意</div></div><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="bringup_icConfiguration__codeblock_jpr_ywb_d1c" data-ofbid="bringup_icConfiguration__codeblock_jpr_ywb_d1c"><code>memory@<span class="hl-number">40000000</span> {
device_type = <span class="hl-string">"memory"</span>;
reg = &lt;<span class="hl-number">0x0</span> <span class="hl-number">0x40000000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x4000000</span>&gt;; <em class="hl-comment">//0x4000000 为 64M0x8000000 为 128M</em>
};</code></pre></div></li>
<li class="- topic/li li" data-ofbid="d96378e72__20250123155207">检查 pin 脚。SDK 有自动的 Pin 脚配置检查,可以检查 pin 脚设置是否正确,不同模块是否有 pin 脚配置冲突等。<ol class="- topic/ol ol" type="a" id="bringup_icConfiguration__ol_lyc_bxb_d1c" data-ofbid="bringup_icConfiguration__ol_lyc_bxb_d1c">
<li class="- topic/li li" data-ofbid="d96378e76__20250123155207">设置 pin 数目<div class="- topic/p p" data-ofbid="d96378e78__20250123155207">IC 的 pin 数目在 <span class="+ topic/ph sw-d/filepath ph filepath">board.dts</span>
中设置,该设置只是辅助检查,不会产生功能性影响,但原则上应该要解决所有的告警<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="bringup_icConfiguration__codeblock_hln_cxb_d1c" data-ofbid="bringup_icConfiguration__codeblock_hln_cxb_d1c"><code>compatible = <span class="hl-string">"artinchip,d211"</span>;
package = <span class="hl-string">"QFN88"</span>;</code></pre></div></li>
<li class="- topic/li li" data-ofbid="d96378e86__20250123155207">配置 pin 脚<div class="- topic/p p" data-ofbid="d96378e88__20250123155207">如下告警的意思是 sdmc0 的 pinctrl 配置为 8 线,但 QFN88 只能支持 4
线<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="bringup_icConfiguration__codeblock_wzd_2xb_d1c" data-ofbid="bringup_icConfiguration__codeblock_wzd_2xb_d1c"><code>Pinmux check ...
No conflict in pinmux
Package check ...
QFN88 not support the following modules:
sdmc@<span class="hl-number">10440000</span> only support <span class="hl-number">4</span> lines</code></pre></div><div class="- topic/p p" data-ofbid="d96378e92__20250123155207">定义在
<span class="+ topic/ph sw-d/filepath ph filepath">target/common/d211-pinctrl.dtsi</span> 中,
解决方案是可以删掉不需要的引脚配置, 也可以仿照 <span class="+ topic/ph sw-d/filepath ph filepath">demo88_nand/board.dts</span>
<span class="+ topic/keyword pr-d/apiname keyword apiname">gmac0_local_pins</span>
的方式重新定义一组引脚。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="bringup_icConfiguration__codeblock_i4m_gxb_d1c" data-ofbid="bringup_icConfiguration__codeblock_i4m_gxb_d1c"><code>sdmc0_pins: sdmc0-<span class="hl-number">0</span> {
pins {
pinmux = &lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">0</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">1</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">2</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">3</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">4</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">5</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">6</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">7</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">8</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">9</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">10</span>, <span class="hl-number">2</span>)&gt;,
&lt;AIC_PINMUX(<span class="hl-string">'B'</span>, <span class="hl-number">11</span>, <span class="hl-number">2</span>)&gt;;
bias-pull-up;
drive-strength = &lt;<span class="hl-number">3</span>&gt;;
};
}</code></pre></div></li>
</ol></li>
<li class="- topic/li li" data-ofbid="d96378e107__20250123155207">解决 pin
脚冲突,如有。<div class="- topic/p p" data-ofbid="d96378e109__20250123155207">如果同一引脚在不同的功能块中被使用,则会告警有冲突,解决方案是按原理图重新厘定功能<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="bringup_icConfiguration__codeblock_tzy_jxb_d1c" data-ofbid="bringup_icConfiguration__codeblock_tzy_jxb_d1c"><code>Pinmux check ...
phy-reset-gpios pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE6
ethernet@<span class="hl-number">10280000</span> pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE0
ethernet@<span class="hl-number">10280000</span> pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE1
ethernet@<span class="hl-number">10280000</span> pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE2
ethernet@<span class="hl-number">10280000</span> pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE3
ethernet@<span class="hl-number">10280000</span> pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE4
ethernet@<span class="hl-number">10280000</span> pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE5
ethernet@<span class="hl-number">10280000</span> pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE7
ethernet@<span class="hl-number">10280000</span> pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE8
ethernet@<span class="hl-number">10280000</span> pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE9
ethernet@<span class="hl-number">10280000</span> pinmux conflicts with /soc/dvp@<span class="hl-number">18830000</span>
The conflicting pin: PE10
Package check ...</code></pre></div></li>
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