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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" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/pbus/pbus-configuration.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">PBUS 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">
<section class="- topic/section section" id="pbus_configuration__section_xfg_vds_21c" data-ofbid="pbus_configuration__section_xfg_vds_21c"><h2 class="- topic/title title sectiontitle">内核配置</h2>
<ol class="- topic/ol ol" id="pbus_configuration__ol_l42_fdr_sdc" data-ofbid="pbus_configuration__ol_l42_fdr_sdc">
<li class="- topic/li li" data-ofbid="d91636e40__20250123155207">
<div class="- topic/div div">
<div class="- topic/p p" data-ofbid="d91636e44__20250123155207">在 SDK 根目录下,执行下列命令,进入 kernel
的功能配置界面:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pbus_configuration__codeblock_wg1_3ml_sdc" data-ofbid="pbus_configuration__codeblock_wg1_3ml_sdc"><code>make kernel-menuconfig</code></pre></div>
<p class="- topic/p p" data-ofbid="d91636e49__20250123155207">或使用简写命令</p>
<div class="- topic/p p" data-ofbid="d91636e52__20250123155207">
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pbus_configuration__codeblock_uss_hml_sdc" data-ofbid="pbus_configuration__codeblock_uss_hml_sdc"><code>make km</code></pre>
</div>
</div>
</li>
<li class="- topic/li li" data-ofbid="d91636e60__20250123155207">
<div class="- topic/p p" data-ofbid="d91636e62__20250123155207">在内核配置界面,按如下选择:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pbus_configuration__pre_yfg_vds_21c" data-ofbid="pbus_configuration__pre_yfg_vds_21c"><code>Linux
Device Drivers
Misc devices
[*] PBUS driver <strong class="hl-keyword">for</strong> ArtInChip SoC</code></pre></div>
</li>
</ol>
</section>
<section class="- topic/section section" id="pbus_configuration__section_zfg_vds_21c" data-ofbid="pbus_configuration__section_zfg_vds_21c"><h2 class="- topic/title title sectiontitle">DTS 参数配置</h2>
<div class="- topic/p p" data-ofbid="d91636e75__20250123155207">
<ul class="- topic/ul ul" id="pbus_configuration__ul_qgt_xds_21c" data-ofbid="pbus_configuration__ul_qgt_xds_21c">
<li class="- topic/li li" data-ofbid="d91636e79__20250123155207">PBUS 自定义参数<p class="- topic/p p" data-ofbid="d91636e81__20250123155207">PBUS 驱动支持从 DTS 中配置的参数定义,基本和 Spec 中 CFG
寄存器的字段分布保持一致。如下表所示:</p><div class="table-container"><table class="- topic/table table frame-all" id="pbus_configuration__table_agg_vds_21c" data-ofbid="pbus_configuration__table_agg_vds_21c" data-cols="5"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label"><span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">PBUS 自定义参数</span></caption><colgroup><col style="width:11.560693641618498%"/><col style="width:22.42774566473988%"/><col style="width:13.179190751445086%"/><col style="width:12.601156069364162%"/><col style="width:40.23121387283236%"/></colgroup><thead class="- topic/thead thead">
<tr class="- topic/row">
<th class="- topic/entry entry colsep-1 rowsep-1" id="pbus_configuration__table_agg_vds_21c__entry__1">寄存器</th>
<th class="- topic/entry entry colsep-1 rowsep-1" id="pbus_configuration__table_agg_vds_21c__entry__2">参数名称</th>
<th class="- topic/entry entry colsep-1 rowsep-1" id="pbus_configuration__table_agg_vds_21c__entry__3">类型</th>
<th class="- topic/entry entry colsep-1 rowsep-1" id="pbus_configuration__table_agg_vds_21c__entry__4">取值范围</th>
<th class="- topic/entry entry colsep-0 rowsep-1" id="pbus_configuration__table_agg_vds_21c__entry__5">功能说明</th>
</tr>
</thead><tbody class="- topic/tbody tbody">
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__1" rowspan="7">CFG0</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">outenable-pol-highactive</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Boolean</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 1]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">外设输出使能的极性,是否高电平有效</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">wrenable-pol-highactive</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Boolean</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 1]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">读写指示信号的极性,是否高电平有效</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">addrvalid-pol-highactive</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Boolean</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 1]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">地址有效信号的极性,是否高电平有效</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">cs-pol-highactive</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Boolean</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 1]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">外设片选信号的极性,是否高电平有效</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">busclk-pol-riseedge</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Boolean</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 1]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">地址/数据是否在总线时钟信号上升沿跳变</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">busclk-outenable</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Boolean</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 1]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">总线时钟输出的使能</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">busclk-div</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 3]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">
<div class="- topic/p p" data-ofbid="d91636e231__20250123155207">总线时钟分频<ul class="- topic/ul ul" id="pbus_configuration__ul_fgh_tdr_sdc" data-ofbid="pbus_configuration__ul_fgh_tdr_sdc">
<li class="- topic/li li" data-ofbid="d91636e235__20250123155207">0 - 未定义</li>
<li class="- topic/li li" data-ofbid="d91636e238__20250123155207">1 - HCLK/2</li>
<li class="- topic/li li" data-ofbid="d91636e241__20250123155207">2 - HCLK/4</li>
<li class="- topic/li li" data-ofbid="d91636e244__20250123155207">3 - HCLK/8</li>
</ul></div>
</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__1" rowspan="6">CFG1</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">wrdata-holdtime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">写数据输出的保持时间<p class="- topic/p p" data-ofbid="d91636e266__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">wrdata-delaytime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">写数据输出的延迟时间<p class="- topic/p p" data-ofbid="d91636e283__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">addr-holdtime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">地址输出的保持时间<p class="- topic/p p" data-ofbid="d91636e300__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">addr-delaytime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">地址输出的延迟时间<p class="- topic/p p" data-ofbid="d91636e317__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">cs-holdtime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">外设片选信号的有效保持时间<p class="- topic/p p" data-ofbid="d91636e335__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">cs-delaytime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">外设片选信号的有效最小间隔</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-0" headers="pbus_configuration__table_agg_vds_21c__entry__1" rowspan="6">CFG2</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">outenable-holdtime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">外设输出使能的保持时间<p class="- topic/p p" data-ofbid="d91636e370__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">outenable-delaytime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">外设输出使能的延迟时间<p class="- topic/p p" data-ofbid="d91636e387__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">wrrd-holdtime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">读写控制信号的保持时间<p class="- topic/p p" data-ofbid="d91636e404__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">wrrd-delaytime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">读写控制信号的延迟时间<p class="- topic/p p" data-ofbid="d91636e421__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__2">addrvalid-holdtime</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="pbus_configuration__table_agg_vds_21c__entry__5">地址有效信号的保持时间<p class="- topic/p p" data-ofbid="d91636e439__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-0" headers="pbus_configuration__table_agg_vds_21c__entry__2">addrvalid-delaytime</td>
<td class="- topic/entry entry colsep-1 rowsep-0" headers="pbus_configuration__table_agg_vds_21c__entry__3">Integer</td>
<td class="- topic/entry entry colsep-1 rowsep-0" headers="pbus_configuration__table_agg_vds_21c__entry__4">[0, 15]</td>
<td class="- topic/entry entry colsep-0 rowsep-0" headers="pbus_configuration__table_agg_vds_21c__entry__5">地址有效信号的延迟时间<p class="- topic/p p" data-ofbid="d91636e456__20250123155207">单位PBUS clk 的周期值</p></td>
</tr>
</tbody></table></div></li>
<li class="- topic/li li" data-ofbid="d91636e463__20250123155207">D211 配置<div class="- topic/p p" data-ofbid="d91636e465__20250123155207"><span class="+ topic/ph sw-d/filepath ph filepath">common/d211.dtsi</span>
中的参数配置:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pbus_configuration__codeblock_gpn_12s_21c" data-ofbid="pbus_configuration__codeblock_gpn_12s_21c"><code>pbus: pbus@<span class="hl-number">107F</span>0000 {
compatible = <span class="hl-string">"artinchip,aic-pbus-v1.0"</span>;
reg = &lt;<span class="hl-number">0x0</span> <span class="hl-number">0x107F0000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x1000</span>&gt;;
clocks = &lt;&amp;cmu CLK_PBUS&gt;;
resets = &lt;&amp;rst RESET_PBUS&gt;;
};</code></pre></div></li>
<li class="- topic/li li" data-ofbid="d91636e472__20250123155207">Board 配置<p class="- topic/p p" data-ofbid="d91636e474__20250123155207"><span class="+ topic/ph sw-d/filepath ph filepath">xxx/board.dts</span>
中的参数配置:</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pbus_configuration__codeblock_xkr_12s_21c" data-ofbid="pbus_configuration__codeblock_xkr_12s_21c"><code>&amp;pbus {
aic,busclk-div = &lt;<span class="hl-number">2</span>&gt;;
aic,busclk-outenable;
aic,busclk-pol-riseedge;
aic,cs-pol-highactive;
aic,addrvalid-pol-highactive;
aic,wrenable-pol-highactive;
aic,outenable-pol-highactive;
aic,wrdata-holdtime = &lt;<span class="hl-number">1</span>&gt;;
aic,wrdata-delaytime = &lt;<span class="hl-number">2</span>&gt;;
aic,addr-holdtime = &lt;<span class="hl-number">3</span>&gt;;
aic,addr-delaytime = &lt;<span class="hl-number">4</span>&gt;;
aic,cs-holdtime = &lt;<span class="hl-number">5</span>&gt;;
aic,cs-delaytime = &lt;<span class="hl-number">6</span>&gt;;
aic,outenable-holdtime = &lt;<span class="hl-number">7</span>&gt;;
aic,outenable-delaytime = &lt;<span class="hl-number">8</span>&gt;;
aic,wrrd-holdtime = &lt;<span class="hl-number">9</span>&gt;;
aic,wrrd-delaytime = &lt;<span class="hl-number">10</span>&gt;;
aic,addrvalid-holdtime = &lt;<span class="hl-number">11</span>&gt;;
aic,addrvalid-delaytime = &lt;<span class="hl-number">12</span>&gt;;
status = <span class="hl-string">"okay"</span>;
};</code></pre></li>
</ul>
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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="#pbus_configuration__section_xfg_vds_21c" data-tocid="pbus_configuration__section_xfg_vds_21c">内核配置</a></div></li><li class="section-item"><div class="section-title"><a href="#pbus_configuration__section_zfg_vds_21c" data-tocid="pbus_configuration__section_zfg_vds_21c">DTS 参数配置</a></div></li></ul></div>
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</footer>
<button id="go2top" class="d-print-none" title="返回顶部">
<span class="oxy-icon oxy-icon-up"></span>
</button>
<div id="modal_img_large" class="modal">
<span class="close oxy-icon oxy-icon-remove"></span>
<div id="modal_img_container"></div>
<div id="caption"></div>
</div>
<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
</body>
</html>