mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
synced 2025-12-14 18:38:55 +00:00
161 lines
17 KiB
HTML
161 lines
17 KiB
HTML
<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn" lang="zh-cn" data-whc_version="26.0">
|
||
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="在 U-Boot SPL 运行之前，BROM 已经对系统进行了基本的初始化。 对于基本硬件模块，在 CPU 上电时默认进行初始化，具体如下表所示： 表 1 . 基本硬件模块状态 名字 频率 备注 AXI 24 MHz 默认使能 AHB 60 MHz 默认使能 APB0 24 MHz 默认使能 APB1 24 MHz 默认使能 CPU 24 MHz 默认使能 SRAM 60 MHz 默认使能 ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.contributor" content="yan.wang"/><meta name="DC.date.modified" content="2024-12-04"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="_65"/><meta name="DC.language" content="zh-CN"/><title>硬件运行环境</title><!-- Build number 2023110923. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content=""/><meta name="wh-source-relpath" content="topics/sdk/boot/uboot-hardware-env.dita"/><meta name="wh-out-relpath" content="topics/sdk/boot/uboot-hardware-env.html"/>
|
||
|
||
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/commons.css?buildId=2023110923"/>
|
||
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/topic.css?buildId=2023110923"/>
|
||
|
||
<script src="../../../webhelp/app/options/properties.js?buildId=20250121171154"></script>
|
||
<script src="../../../webhelp/app/localization/strings.js?buildId=2023110923"></script>
|
||
<script src="../../../webhelp/app/search/index/keywords.js?buildId=20250121171154"></script>
|
||
<script defer="defer" src="../../../webhelp/app/commons.js?buildId=2023110923"></script>
|
||
<script defer="defer" src="../../../webhelp/app/topic.js?buildId=2023110923"></script>
|
||
<link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-styles-web.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/notes.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-common.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-images.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/footnote.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-web-watermark.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/topic-body-list.css?buildId=2023110923"/></head>
|
||
|
||
<body id="_65" class="wh_topic_page frmBody">
|
||
<a href="#wh_topic_body" class="sr-only sr-only-focusable">
|
||
跳转到主要内容
|
||
</a>
|
||
|
||
|
||
|
||
|
||
<header class="navbar navbar-default wh_header">
|
||
<div class="container-fluid">
|
||
<div class="wh_header_flex_container navbar-nav navbar-expand-md navbar-dark">
|
||
<div class="wh_logo_and_publication_title_container">
|
||
<div class="wh_logo_and_publication_title">
|
||
|
||
<a href="http://www.artinchip.com" class=" wh_logo d-none d-sm-block "><img src="../../../company-logo-white.png" alt="RTOS SDK 使用指南SDK 指南文件"/></a>
|
||
<div class=" wh_publication_title "><a href="../../../index.html"><span class="booktitle"><span class="ph mainbooktitle">RTOS SDK 使用指南</span><span class="ph booktitlealt">SDK 指南文件</span></span></a></div>
|
||
|
||
</div>
|
||
|
||
|
||
</div>
|
||
|
||
<div class="wh_top_menu_and_indexterms_link collapse navbar-collapse" id="wh_top_menu_and_indexterms_link">
|
||
|
||
|
||
|
||
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</header>
|
||
|
||
|
||
|
||
|
||
<div class=" wh_search_input navbar-form wh_topic_page_search search " role="form">
|
||
|
||
|
||
|
||
<form id="searchForm" method="get" role="search" action="../../../search.html"><div><input type="search" placeholder="搜索 " class="wh_search_textfield" id="textToSearch" name="searchQuery" aria-label="搜索查询" required="required"/><button type="submit" class="wh_search_button" aria-label="搜索"><span class="search_input_text">搜索</span></button></div></form>
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<div class="container-fluid" id="wh_topic_container">
|
||
<div class="row">
|
||
|
||
<nav class="wh_tools d-print-none navbar-expand-md" aria-label="Tools">
|
||
|
||
<div data-tooltip-position="bottom" class=" wh_breadcrumb "></div>
|
||
|
||
|
||
|
||
<div class="wh_right_tools">
|
||
<button class="wh_hide_highlight" aria-label="切换搜索突出显示" title="切换搜索突出显示"></button>
|
||
<button class="webhelp_expand_collapse_sections" data-next-state="collapsed" aria-label="折叠截面" title="折叠截面"></button>
|
||
|
||
|
||
|
||
|
||
<div class=" wh_print_link print d-none d-md-inline-block "><button onClick="window.print()" title="打印此页" aria-label="打印此页"></button></div>
|
||
|
||
|
||
</div>
|
||
|
||
</nav>
|
||
</div>
|
||
|
||
|
||
|
||
|
||
<div class="wh_content_area">
|
||
<div class="row">
|
||
|
||
|
||
<div class="col-12" id="wh_topic_body">
|
||
|
||
|
||
|
||
<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/uboot-hardware-env.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">硬件运行环境</h1><div class="date inPage">4 Dec 2024</div><div style="color: gray;"></div><div class="- topic/body concept/conbody body conbody"><p class="- topic/p p" data-ofbid="d295156e22__20250121171801">在 U-Boot SPL 运行之前，BROM 已经对系统进行了基本的初始化。 </p><p class="- topic/p p" data-ofbid="d295156e24__20250121171801">对于基本硬件模块，在 CPU 上电时默认进行初始化，具体如下表所示：</p><div class="table-container"><table class="- topic/table table frame-all" id="_65__id4" data-ofbid="_65__id4" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">基本硬件模块状态</span></caption><colgroup><col style="width:33.33333333333333%"/><col style="width:33.33333333333333%"/><col style="width:33.33333333333333%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="_65__id4__entry__1">名字</th><th class="- topic/entry entry colsep-0 rowsep-0" id="_65__id4__entry__2">频率</th><th class="- topic/entry entry colsep-0 rowsep-0" id="_65__id4__entry__3">备注</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__1">AXI</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__2">24 MHz</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__3">默认使能</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__1">AHB</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__2">60 MHz</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__3">默认使能</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__1">APB0</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__2">24 MHz</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__3">默认使能</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__1">APB1</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__2">24 MHz</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__3">默认使能</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__1">CPU</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__2">24 MHz</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__3">默认使能</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__1">SRAM</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__2">60 MHz</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__3">默认使能</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__1">TIMER</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__2">24 MHz</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id4__entry__3">默认使能</td></tr></tbody></table></div><p class="- topic/p p" data-ofbid="d295156e91__20250121171801">正常启动时 BROM 检测启动介质，并对所使用到的硬件模块进行了初始化。 具体如下表所示：</p><div class="table-container"><table class="- topic/table table frame-all" id="_65__id5" data-ofbid="_65__id5" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">正常启动时的硬件模块状态</span></caption><colgroup><col style="width:25%"/><col style="width:25%"/><col style="width:50%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="_65__id5__entry__1">名字</th><th class="- topic/entry entry colsep-0 rowsep-0" id="_65__id5__entry__2">频率 (MHz)</th><th class="- topic/entry entry colsep-0 rowsep-0" id="_65__id5__entry__3">备注</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__1">DMA</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__2">60</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__3">SPI NAND/NOR 启动时使能</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__1">SDMC</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__2">25</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__3">启动的 SDMC 控制器被使能</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__1">SPI</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__2">25</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__3">启动的 SPI 控制器被使用</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__1">CE</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__2">200</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__3">安全启动打开时被使能</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__1">USB</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__2">60</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id5__entry__3">默认关闭</td></tr></tbody></table></div><p class="- topic/p p" data-ofbid="d295156e144__20250121171801">在 USB 升级模式下，无论是主动进入还是由于启动失败进入的 USB 升级模式，仅基本的硬件模块以及 USB 模块被使能，其他模块处于关闭状态。 具体如下表所示：</p><div class="table-container"><table class="- topic/table table frame-all" id="_65__id6" data-ofbid="_65__id6" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 3</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">升级模式时的硬件模块状态</span></caption><colgroup><col style="width:25%"/><col style="width:25%"/><col style="width:50%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="_65__id6__entry__1">名字</th><th class="- topic/entry entry colsep-0 rowsep-0" id="_65__id6__entry__2">频率 (MHz)</th><th class="- topic/entry entry colsep-0 rowsep-0" id="_65__id6__entry__3">备注</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__1">AHB0</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__2">60</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__3">进入 USB 升级时设置为 60 MHz</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__1">DMA</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__2">60</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__3">默认关闭</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__1">SRAM</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__2">60</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__3">跟随 AHB0</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__1">SDMC</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__2">25</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__3">默认关闭</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__1">SPI</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__2">25</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__3">默认关闭</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__1">USB</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__2">60</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="_65__id6__entry__3">默认使能</td></tr></tbody></table></div></div></article></main></div>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
|
||
|
||
</div>
|
||
<footer class="navbar navbar-default wh_footer">
|
||
<div class=" footer-container mx-auto ">
|
||
<title>footer def</title>
|
||
<style><!--
|
||
|
||
.p1 {
|
||
font-family: FangZhengShuSong, Times, serif;
|
||
}
|
||
.p2 {
|
||
font-family: Arial, Helvetica, sans-serif;
|
||
}
|
||
.p3 {
|
||
font-family: "Lucida Console", "Courier New", monospace;
|
||
}
|
||
|
||
--></style>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<div class="webhelp.fragment.footer">
|
||
<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
|
||
</div><div>
|
||
<div class="generation_time">
|
||
Update Time: 2025-01-21
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</footer>
|
||
|
||
<div id="go2top" class="d-print-none">
|
||
<span class="oxy-icon oxy-icon-up"></span>
|
||
</div>
|
||
|
||
<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> |