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<div class="date inPage">16 May 2025</div><div style="color: gray;">
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<div class="- topic/body body">
<section class="- topic/section section" id="id__ref-to-lite-mac-cfg" data-ofbid="id__ref-to-lite-mac-cfg"><h2 class="- topic/title title sectiontitle">以太网配置</h2>
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v1.2.1
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<p class="- topic/p p" data-ofbid="d74924e33__20250519091511">内核配置主要是通过 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons --menuconfig</span> 命令进行 以太网的功能配置， 配置完成后的项目存储在
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<span class="+ topic/ph sw-d/filepath ph filepath">target/configs/xxx_defconfig</span> 文件中。</p>
v1.2.0
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<ul class="- topic/ul ul" id="id__ul_ehm_kys_4dc" data-ofbid="id__ul_ehm_kys_4dc">
v1.2.1
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<li class="- topic/li li" data-ofbid="d74924e44__20250519091511">
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<div class="- topic/div div section" id="id__mac">
<strong class="+ topic/ph hi-d/b ph b">MAC 参数配置</strong>
v1.2.1
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<p class="- topic/p p" data-ofbid="d74924e51__20250519091511">内核中要使用以太网功能，首先需要配置 MAC 的属性参数。MAC 的参数随着板卡的不同而不同 以下是展开后 MAC
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的所有的配置选项及其介绍</p><div class="- topic/note note note note_note" id="id__note_eql_qn3_ddc" data-ofbid="id__note_eql_qn3_ddc"><span class="note__title">注：</span>
v1.2.1
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<div class="- topic/p p" data-ofbid="d74924e55__20250519091511">为防止配置错误，实际的 MAC
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配置有一套依赖规则，不会同时出现以下全部的配置选项<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_nvz_yjn_fdc" data-ofbid="id__codeblock_nvz_yjn_fdc">Board options ---&gt;
[*] Using Gmac0
gmac0 parameter ---&gt;
(PE.<span class="hl-number">6</span>) gmac0 PHY reset GPIO
Select gmac0 bus (RMII) ---&gt;
Select PHY clk (external clk) ---&gt;
(<span class="hl-number">0</span>) gmac0 rx delay
(<span class="hl-number">0</span>) gmac0 tx delay
(<span class="hl-number">192.168</span>.<span class="hl-number">1.2</span>) gmac0 IPv4 addr
(<span class="hl-number">192.168</span>.<span class="hl-number">1.1</span>) gmac0 Gateway
(<span class="hl-number">255.255</span>.<span class="hl-number">255.0</span>) gmac0 Subnet Mask
[*] gmac0 MAC address use chip-id
(<span class="hl-number">002244887766</span>) gmac0 MAC addr
(<span class="hl-number">1</span>) gmac0 PHY MDIO addr
Clocks Options ---&gt;
...
[ ] Enable CLK_OUT0
[ ] Enable CLK_OUT1
[*] Enable CLK_OUT2
(<span class="hl-number">25000000</span>) Clk CLK_OUT2 frequence
[ ] Enable CLK_OUT3</pre></div>
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</div><ul class="- topic/ul ul simple" id="id__ul_of4_kys_4dc" data-ofbid="id__ul_of4_kys_4dc">
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<li class="- topic/li li" data-ofbid="d74924e62__20250519091511">
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<dl class="- topic/dl dl simple" id="id__dl_pf4_kys_4dc" data-ofbid="id__dl_pf4_kys_4dc">
v1.2.1
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<dt class="- topic/dt dt dlterm" data-ofbid="d74924e68__20250519091511">gmac0 PHY reset GPIO</dt>
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<dd class="- topic/dd dd">
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<p class="- topic/p p" data-ofbid="d74924e73__20250519091511">外部 PHY 芯片的复位脚相连接的 IO 引脚，根据板卡设计决定</p>
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</dd>
</dl>
</li>
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<li class="- topic/li li" data-ofbid="d74924e80__20250519091511">
v1.2.0
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<dl class="- topic/dl dl simple" id="id__dl_qf4_kys_4dc" data-ofbid="id__dl_qf4_kys_4dc">
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<dt class="- topic/dt dt dlterm" data-ofbid="d74924e86__20250519091511">Select gmac0 bus</dt>
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<dd class="- topic/dd dd">
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<p class="- topic/p p" data-ofbid="d74924e91__20250519091511">选择 MAC 与 PHY 相连接的接口类型，根据板卡决定是 RGMII 还是 RMII</p>
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</dd>
</dl>
</li>
v1.2.1
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<li class="- topic/li li" data-ofbid="d74924e98__20250519091511">
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<dl class="- topic/dl dl simple" id="id__dl_rf4_kys_4dc" data-ofbid="id__dl_rf4_kys_4dc">
v1.2.1
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<dt class="- topic/dt dt dlterm" data-ofbid="d74924e104__20250519091511">Select PHY clk</dt>
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<dd class="- topic/dd dd">
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<p class="- topic/p p" data-ofbid="d74924e109__20250519091511">选择 MAC 使用的总线参考时钟类型是 external clk (外部时钟)还是 internal
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clk (内部时钟)。这个配置需要根据电路设计决定。如果 MAC 的时钟参考时钟是来自 PHY 芯片
(即 GMAC_CLKIN 引脚接到 PHY 芯片)则这里选择 external clk，否则选择
internal clk</p>
v1.2.0
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</dd>
</dl>
</li>
v1.2.1
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<li class="- topic/li li" data-ofbid="d74924e116__20250519091511">
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v1.2.1
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<dt class="- topic/dt dt dlterm" data-ofbid="d74924e122__20250519091511">gmac0 rx delay</dt>
v1.2.0
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<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e127__20250519091511">gmac0 的接收时延，适用于 RGMII 接口模式下， MAC 匹配 PHY 芯片的数据建立时间和保留时
add doc v1.1.2
2025-01-23 16:37:00 +08:00
间(单位：0.17 ns)， 需要根据外部使用的 PHY 芯片调整。一般情况下，设置为 12 ，即
2.04 ns</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e134__20250519091511">
v1.2.0
2025-04-23 17:54:31 +08:00
<dl class="- topic/dl dl simple" id="id__dl_tf4_kys_4dc" data-ofbid="id__dl_tf4_kys_4dc">
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e140__20250519091511">gmac0 tx delay</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e145__20250519091511">gmac0 的发送时延，适用于 RGMII 接口模式下，MAC 匹配 PHY 芯片的数据建立时间和保留时间
add doc v1.1.2
2025-01-23 16:37:00 +08:00
(单位：0.17 ns)，需要根据外部使用的 PHY 芯片调整。一般情况下，可设置为 12，即 2.04
ns</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e153__20250519091511">
v1.2.0
2025-04-23 17:54:31 +08:00
<dl class="- topic/dl dl simple" id="id__dl_uf4_kys_4dc" data-ofbid="id__dl_uf4_kys_4dc">
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e159__20250519091511">gmac0 IPv4 addr</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e164__20250519091511">当前网卡的初始静态 IP 地址，如打开 DHCP 功能，此处设置无效</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e171__20250519091511">
v1.2.0
2025-04-23 17:54:31 +08:00
<dl class="- topic/dl dl simple" id="id__dl_vf4_kys_4dc" data-ofbid="id__dl_vf4_kys_4dc">
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e177__20250519091511">gmac0 Gateway</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e182__20250519091511">当前网卡的初始静态网关地址，如打开 DHCP 功能，此处设置无效</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e189__20250519091511">
v1.2.0
2025-04-23 17:54:31 +08:00
<dl class="- topic/dl dl simple" id="id__dl_wf4_kys_4dc" data-ofbid="id__dl_wf4_kys_4dc">
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e195__20250519091511">gmac0 Subnet Mask</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e200__20250519091511">当前网卡初始静态子网掩码，如打开 DHCP 功能，此处设置无效</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e207__20250519091511">
v1.2.0
2025-04-23 17:54:31 +08:00
<dl class="- topic/dl dl simple" id="id__dl_xf4_kys_4dc" data-ofbid="id__dl_xf4_kys_4dc">
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e213__20250519091511">gmac0 MAC address use chip-id</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e218__20250519091511">使用芯片的 chip-id 作为 MAC 地址，使能此选项后会使用 chip-id 的低六位经过加密后作为
add doc v1.1.2
2025-01-23 16:37:00 +08:00
MAC 地址。这样的好处是同一系列产品的 MAC 地址基本不会重复。</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e225__20250519091511">
v1.2.0
2025-04-23 17:54:31 +08:00
<dl class="- topic/dl dl simple" id="id__dl_yf4_kys_4dc" data-ofbid="id__dl_yf4_kys_4dc">
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e231__20250519091511">gmac0 MAC addr</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e236__20250519091511">gmac0 默认 MAC 地址，当不使能
add doc v1.1.2
2025-01-23 16:37:00 +08:00
<span class="+ topic/ph ui-d/uicontrol ph uicontrol">gmac0 MAC address use chip-id</span>
时，即用户需要自定义 MAC 地址时可以在这里配置用户自己的 MAC 地址。</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e246__20250519091511">
v1.2.0
2025-04-23 17:54:31 +08:00
<dl class="- topic/dl dl simple" id="id__dl_zf4_kys_4dc" data-ofbid="id__dl_zf4_kys_4dc">
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e252__20250519091511">gmac0 PHY MDIO addr</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e257__20250519091511">PHY 在 总线上的挂载地址，PHY 芯片地址一般取决于 PHY
add doc v1.1.2
2025-01-23 16:37:00 +08:00
芯片外部电路设计，请根据板卡设计决定</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e265__20250519091511">
v1.2.0
2025-04-23 17:54:31 +08:00
<dl class="- topic/dl dl simple" id="id__dl_ag4_kys_4dc" data-ofbid="id__dl_ag4_kys_4dc">
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e271__20250519091511">Clocks Options</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e276__20250519091511">如果 PHY 的工作时钟由主控芯片的 CLK_OUTx 提供，则需要在这里使能 CLK_OUT。
add doc v1.1.2
2025-01-23 16:37:00 +08:00
具体使能哪一个 CLK_OUT，取决于硬件设计</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e283__20250519091511">
v1.2.0
2025-04-23 17:54:31 +08:00
<dl class="- topic/dl dl simple" id="id__dl_bg4_kys_4dc" data-ofbid="id__dl_bg4_kys_4dc">
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e289__20250519091511">Clk CLK_OUT2 frequence</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e294__20250519091511">CLK_OUTx 的输出时钟频率，对于常用的 PHY 芯片，一般是 25 MHz</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
</li>
</ul></div>
</li>
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e303__20250519091511">
add doc v1.1.2
2025-01-23 16:37:00 +08:00
<div class="- topic/div div section" id="id__lwip">
<strong class="+ topic/ph hi-d/b ph b">LwIP 协议配置</strong>
v1.2.1
2025-07-22 11:15:46 +08:00
<div class="- topic/p p" data-ofbid="d74924e310__20250519091511"><span class="- topic/ph ph">Luban-Lite</span> 内置 LwIP2.1.3 协议栈，用户可以根据自身需求通过 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons
add doc v1.1.2
2025-01-23 16:37:00 +08:00
--menuconfig</span> 进行裁剪。 <span class="- topic/ph ph">Luban-Lite</span>
v1.2.0
2025-04-23 17:54:31 +08:00
提供的可裁剪属性如下，如有其它特别需求，可自行配置
add doc v1.1.2
2025-01-23 16:37:00 +08:00
<span class="+ topic/ph sw-d/filepath ph filepath">packages/third-party/lwip/lwipopts.h</span>
文件。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_a4l_2kn_fdc" data-ofbid="id__codeblock_a4l_2kn_fdc">Local packages options ---&gt;
Third-party packages options ---&gt;
[*] lwIP: light weight TCP/IP stack ---&gt;
[ ] IPv6 protocol
[*] lwIP Example
[*] Using net tools
[ ] IGMP protocol
[*] ICMP protocol
[ ] SNMP protocol
[ ] Enable DNS <strong class="hl-keyword">for</strong> name resolution
[ ] Enable alloc IP address through DHCP
[*] UDP protocol
[*] TCP protocol
[*] RAW protocol
[ ] PPP protocol
(<span class="hl-number">8</span>) the number of <strong class="hl-keyword">struct</strong> netconns
(<span class="hl-number">16</span>) the number of PBUF
(<span class="hl-number">15360</span>) the size of lwIP<span class="hl-string">'s dynamic memory
</span> (<span class="hl-number">4</span>) the number of raw connection
(<span class="hl-number">4</span>) the number of UDP socket
(<span class="hl-number">4</span>) the number of TCP socket
(<span class="hl-number">40</span>) the number of TCP segment
(<span class="hl-number">8196</span>) the size of send buffer
(<span class="hl-number">8196</span>) the size of TCP send window
(<span class="hl-number">10</span>) the priority level value of lwIP thread
(<span class="hl-number">8</span>) the number of mail in the lwIP thread mailbox
(<span class="hl-number">3072</span>) the stack size of lwIP thread
[ ] Enable IP reassembly and frag
[ ] Enable lwIP statistics
[ ] Enable tx hardware generate checksum
[ ] Enable rx hardware check checksum
[ ] Enable ping features ----
[ ] Using socket interface during ping requests
( ) the priority level value of ping thread
[ ] Using MQTT protocol
[ ] USing DHCP server
(<span class="hl-number">192.168</span>.<span class="hl-number">1.1</span>) DHCP server IP addresss
(<span class="hl-number">2</span>) Start address of DHCP allocation(Last byte)
(<span class="hl-number">254</span>) End address of DHCP allocation(Last byte)
v1.2.1
2025-07-22 11:15:46 +08:00
[ ] Enable lwIP Debugging Options ----</pre></div><dl class="- topic/dl dl" data-ofbid="d74924e325__20250519091511">
v1.2.0
2025-04-23 17:54:31 +08:00
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e329__20250519091511">IPv6 protocol</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e334__20250519091511">LwIP 支持 IPV6 协议</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e341__20250519091511">lwIP Example</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">SDK 提供的初始化以太网示例，示例程序源码在
add doc v1.1.2
2025-01-23 16:37:00 +08:00
<span class="+ topic/ph sw-d/filepath ph filepath">packages/third-party/lwip/contrib/examples/example_app/</span>
目录下的
<span class="+ topic/ph sw-d/filepath ph filepath">test.c</span><span class="+ topic/ph sw-d/filepath ph filepath">netif_start.c</span><span class="+ topic/ph sw-d/filepath ph filepath">netif_start.h</span>。打开此选项后，SDK
会在启动过程中自动 初始化以太网。用户可根据自身需求定义以太网初始化流程。如果不开启此选项，则需要用户自己编写以太网
v1.2.0
2025-04-23 17:54:31 +08:00
的初始化程序</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e360__20250519091511">IPv6 protocol</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e365__20250519091511">LwIP 支持 IPV6 协议</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e372__20250519091511">lwIP Example</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e377__20250519091511">SDK 提供的初始化以太网示例，示例程序源码在
add doc v1.1.2
2025-01-23 16:37:00 +08:00
<span class="+ topic/ph sw-d/filepath ph filepath">packages/third-party/lwip/contrib/examples/example_app/</span>
目录下的
<span class="+ topic/ph sw-d/filepath ph filepath">test.c</span>、<span class="+ topic/ph sw-d/filepath ph filepath">netif_start.c</span>
和 <span class="+ topic/ph sw-d/filepath ph filepath">netif_start.h</span> 文件。打开此选项后，SDK 会在启动过程中自动
初始化以太网。用户可根据自身需求定义以太网初始化流程。如果不开启此选项，则需要用户自己编写以太网 的初始化程序</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e396__20250519091511">Using net tools</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e401__20250519091511">使用网络调试命令，ifconfig, dhcpc …</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e409__20250519091511">IGMP protocol</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e414__20250519091511">以太网支持 IGMP 协议，使用组播功能时打开</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e421__20250519091511">ICMP protocol</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e426__20250519091511">以太网支持 ICMP 协议，使用 ping 命令时打开</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e433__20250519091511">SNMP protocol</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e438__20250519091511">以太网支持 SNMP 协议，需要时打开</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e445__20250519091511">Enable DNS for name resolution</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e450__20250519091511">支持 DNS 用户端功能，需要时打开</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e457__20250519091511">Enable alloc IP address through DHCP</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e462__20250519091511"> 支持 DHCP 用户端功能，需要时打开。如果打开 DHCP 选项，默认 IP 地址会失效，如果 IP 申请失败，则此时
add doc v1.1.2
2025-01-23 16:37:00 +08:00
IP 地址为 0.0.0.0</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e469__20250519091511">UDP protocol</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e474__20250519091511">支持 UDP 协议，默认打开</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e482__20250519091511">TCP protocol</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e487__20250519091511">支持 TCP 协议，默认打开</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e494__20250519091511">RAW protocol</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e499__20250519091511">支持原始套接字接口，如需要编写基于 RAW 套接字的程序时，需要打开</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e506__20250519091511">PPP protocol</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e511__20250519091511">支持 PPP 协议，需要时打开</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e518__20250519091511">the number of struct netconns</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e523__20250519091511">struct netconns 接口的数量，默认为 8 个，可根据需求自行修改</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e530__20250519091511">the number of PBUF</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e535__20250519091511">pbuf 结构的数量，如果需要发送较多的 ROM 类型消息，可自行修改</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e542__20250519091511">the size of lwIP’s dynamic memory</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e547__20250519091511">LwIP 堆空间大小，与数据发送有关，不建议修改</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e555__20250519091511">the number of raw connection</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e560__20250519091511">RAW 控制块数量，根据需求修改</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e567__20250519091511">the number of UDP socket</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e572__20250519091511">UDP 控制块数量，根据需求修改</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e579__20250519091511">the number of TCP socket</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e584__20250519091511">TCP 控制块数量，根据需求修改</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e591__20250519091511">the number of TCP segment</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e596__20250519091511">TCP 等待队列的个数，这个值应该不小于 TCP 的发送队列的个数</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e603__20250519091511">the size of send buffer</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e608__20250519091511">TCP 发送缓存大小，如无特别需求，请保持默认值</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e615__20250519091511">the size of TCP send window</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e620__20250519091511">TCP 滑动窗口大小，如无特别需求，请保持默认值</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e628__20250519091511">the priority level value of lwIP thread</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e633__20250519091511">LwIP 协议栈任务优先级，为防止网络丢包，建议保持较高优先级</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e640__20250519091511">the number of mail in the lwIP thread mailbox</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e645__20250519091511">消息邮箱数量，如无特别需求，不建议修改此数量</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e652__20250519091511">the stack size of lwIP thread</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e657__20250519091511">LwIP 协议栈任务的栈空间大小，如没有添加基于 RAW 接口的应用程序，不建议修改任务栈。
add doc v1.1.2
2025-01-23 16:37:00 +08:00
否则，应该加大协议栈任务的栈空间</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e664__20250519091511">Enable IP reassembly and frag</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e669__20250519091511">使能 IP 包的分片重装功能</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e676__20250519091511">Enable lwIP statistics</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e681__20250519091511">使能 LwIP 统计信息</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e688__20250519091511">Enable tx hardware generate checksum</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e693__20250519091511">使能发送时自动生成硬件校验和</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e701__20250519091511">Enable rx hardware check checksum</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e706__20250519091511">使能接收时硬件检查校验和</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e713__20250519091511">Enable ping features —-</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e718__20250519091511">ping 命令支持，使能此选项后，可在终端中使用 ping 命令</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e725__20250519091511">Using MQTT protocol</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e730__20250519091511">支持 MQTT 协议</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e737__20250519091511">USing DHCP server</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e742__20250519091511">使用 dhcp server 服务。使能此选项后可以使用 dhcpd 命令开启 dhcp 服务端</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e749__20250519091511">DHCP server IP addresss</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e754__20250519091511">做 dhcp 服务端时的 IP 地址</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e761__20250519091511">Start address of DHCP allocation(Last byte)</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e766__20250519091511">dhcp 服务端分配给用户端的起始 ip 地址的低八位</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e774__20250519091511">End address of DHCP allocation(Last byte)</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e779__20250519091511">dhcp 服务端分配给用户端的结束 ip 地址的低八位</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
v1.2.1
2025-07-22 11:15:46 +08:00
<dt class="- topic/dt dt dlterm" data-ofbid="d74924e786__20250519091511">Enable lwIP Debugging Options —-</dt>
v1.2.0
2025-04-23 17:54:31 +08:00
<dd class="- topic/dd dd">
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e791__20250519091511">LwIP 调试信息选项，可根据自身需求进行打开</p>
v1.2.0
2025-04-23 17:54:31 +08:00
</dd>
</dl>
add doc v1.1.2
2025-01-23 16:37:00 +08:00
</div>
v1.2.0
2025-04-23 17:54:31 +08:00
</li>
</ul>
</section>
<section class="- topic/section section" id="id__section_twf_bkn_fdc" data-ofbid="id__section_twf_bkn_fdc"><h2 class="- topic/title title sectiontitle">时钟</h2>
add doc v1.1.2
2025-01-23 16:37:00 +08:00
v1.2.1
2025-07-22 11:15:46 +08:00
<p class="- topic/p p" data-ofbid="d74924e806__20250519091511">MAC 和 PHY 的协同工作共牵涉到四组时钟， <span class="- topic/ph ph">Luban-Lite</span> 已将时钟部分处理完整，不需要用户除 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons
add doc v1.1.2
2025-01-23 16:37:00 +08:00
--menuconfig</span> 配置 MAC 使用 <span class="+ topic/keyword pr-d/parmname keyword parmname">external clk</span> 或
v1.2.0
2025-04-23 17:54:31 +08:00
<span class="+ topic/keyword pr-d/parmname keyword parmname">internal clk</span> 之外的其它任何修改</p>
<ul class="- topic/ul ul" id="id__ul_zvb_lys_4dc" data-ofbid="id__ul_zvb_lys_4dc">
v1.2.1
2025-07-22 11:15:46 +08:00
<li class="- topic/li li" data-ofbid="d74924e823__20250519091511">
add doc v1.1.2
2025-01-23 16:37:00 +08:00
<div class="- topic/div div section" id="id__id4">
<strong class="+ topic/ph hi-d/b ph b">MAC 工作时钟</strong>
v1.2.1
2025-07-22 11:15:46 +08:00
<div class="- topic/p p" data-ofbid="d74924e830__20250519091511">MAC 的内部工作时钟通过 PLL 分频获得，为 50M， 工作时钟不会因为方案的不同而不同，为一固定值 配置代码在
add doc v1.1.2
2025-01-23 16:37:00 +08:00
<span class="+ topic/ph sw-d/filepath ph filepath">packages/third-party/lwip/contrib/ports/drv/aic/aic_mac_ll.c</span>
中。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_lxy_qxn_fdc" data-ofbid="id__codeblock_lxy_qxn_fdc"><strong class="hl-keyword">void</strong> aicmac_low_level_init(uint32_t port, bool en)
{
uint32_t id = CLK_GMAC0 + port;
<em class="hl-comment">/* MAC clock */</em>
<strong class="hl-keyword">if</strong> (en) {
<em class="hl-comment">/* Set clock frequence = 50M */</em>
hal_clk_set_freq(id, <span class="hl-number">50000000</span>);
<em class="hl-comment">/* clock enable &amp; reset deassert */</em>
hal_clk_enable_deassertrst_iter(id);
} <strong class="hl-keyword">else</strong> {
<em class="hl-comment">/* clock enable &amp; reset deassert */</em>
hal_clk_disable_assertrst(id);
}
}</pre></div>
</div>
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="d74924e840__20250519091511">
add doc v1.1.2
2025-01-23 16:37:00 +08:00
<div class="- topic/div div section" id="id__mdc">
<strong class="+ topic/ph hi-d/b ph b">MDC 时钟</strong>
v1.2.1
2025-07-22 11:15:46 +08:00
<div class="- topic/p p" data-ofbid="d74924e847__20250519091511">MDC 时钟是 MDIO 的工作时钟，是 MAC 和 PHY 进行配置的工作时钟，双方在使用初期会有一个协 商，一般是 MAC 通知
add doc v1.1.2
2025-01-23 16:37:00 +08:00
PHY，该时钟为 MAC 通过模块的内部工作时钟处理生成，也不会因为方案的 不同而不同，为一固定值。MDIO 时钟初始化在
<span class="+ topic/ph sw-d/filepath ph filepath">packages/third-party/lwip/contrib/ports/drv/aic/aicmac.c</span>
文件的 <span class="+ topic/keyword pr-d/apiname keyword apiname">aicmac_init</span>
函数中：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_ir5_jyn_fdc" data-ofbid="id__codeblock_ir5_jyn_fdc"><strong class="hl-keyword">int</strong> aicmac_init(uint32_t port)
{
...
<em class="hl-comment">/* MDCIO Internal Clock Select */</em>
tmpreg = readl(MAC(port, mdioctl));
tmpreg &amp;= ~(ETH_MDIOCTL_CR_MSK);
ahbclk = hal_clk_get_freq(CLK_AHB0);
<strong class="hl-keyword">if</strong> ((ahbclk ≥ <span class="hl-number">20000000</span>) &amp;&amp; (ahbclk &lt; <span class="hl-number">35000000</span>)) {
tmpreg |= ETH_MDIOCTL_CR_Div16;
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> ((ahbclk ≥ <span class="hl-number">35000000</span>) &amp;&amp; (ahbclk &lt; <span class="hl-number">60000000</span>)) {
tmpreg |= ETH_MDIOCTL_CR_Div26;
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> ((ahbclk ≥ <span class="hl-number">60000000</span>) &amp;&amp; (ahbclk &lt; <span class="hl-number">100000000</span>)) {
tmpreg |= ETH_MDIOCTL_CR_Div42;
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> ((ahbclk ≥ <span class="hl-number">100000000</span>) &amp;&amp; (ahbclk &lt; <span class="hl-number">150000000</span>)) {
tmpreg |= ETH_MDIOCTL_CR_Div62;
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> ((ahbclk ≥ <span class="hl-number">150000000</span>) &amp;&amp; (ahbclk &lt; <span class="hl-number">250000000</span>)) {
tmpreg |= ETH_MDIOCTL_CR_Div102;
} <strong class="hl-keyword">else</strong> <em class="hl-comment">/* ((ahbclk ≥ 250000000)&amp;&amp;(ahbclk &lt;= 300000000)) */</em>
{
tmpreg |= ETH_MDIOCTL_CR_Div124;
}
writel(tmpreg, MAC(port, mdioctl));
...
...
v1.2.1
2025-07-22 11:15:46 +08:00
}</pre></div><p class="- topic/p p" data-ofbid="d74924e857__20250519091511">MDC 时钟配置错误，则 MAC 和 PHY 的通信不通，呈现的现象是 MAC 无法发现 PHY
add doc v1.1.2
2025-01-23 16:37:00 +08:00
设备</p>
</div>
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="d74924e862__20250519091511">
add doc v1.1.2
2025-01-23 16:37:00 +08:00
<div class="- topic/div div section" id="id__phy">
<strong class="+ topic/ph hi-d/b ph b">PHY 工作时钟</strong>
v1.2.1
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<p class="- topic/p p" data-ofbid="d74924e869__20250519091511">一般 PHY 的工作时钟是 25M， 一般的设计是外挂一个晶振提供时钟给 PHY 模组， AIC
不同型号芯片都对外提供几组时钟(CLK_OUT)，也可以使用该时钟供给 PHY 模块工作。</p><div class="- topic/p p" data-ofbid="d74924e871__20250519091511">该时钟 (CLK_OUT) 使能在
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<span class="+ topic/ph sw-d/filepath ph filepath">target/soc name/board name/sys_clk.c</span>
中配置。如果需要可以打开<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_brh_kyn_fdc" data-ofbid="id__codeblock_brh_kyn_fdc"><strong class="hl-keyword">struct</strong> aic_sysclk aic_sysclk_config[] = {
...
#ifdef AIC_USING_CLK_OUT0
{AIC_CLK_OUT0_FREQ, CLK_OUT0, <span class="hl-number">0</span>},
#endif <em class="hl-comment">/* AIC_USING_CLK_OUT0 */</em>
#ifdef AIC_USING_CLK_OUT1
{AIC_CLK_OUT1_FREQ, CLK_OUT1, <span class="hl-number">0</span>},
#endif <em class="hl-comment">/* AIC_USING_CLK_OUT1 */</em>
#ifdef AIC_USING_CLK_OUT2
{AIC_CLK_OUT2_FREQ, CLK_OUT2, <span class="hl-number">0</span>},
#endif <em class="hl-comment">/* AIC_USING_CLK_OUT2 */</em>
#ifdef AIC_USING_CLK_OUT3
{AIC_CLK_OUT3_FREQ, CLK_OUT3, <span class="hl-number">0</span>},
#endif <em class="hl-comment">/* AIC_USING_CLK_OUT3 */</em>
...
};
<strong class="hl-keyword">void</strong> aic_board_sysclk_init(<strong class="hl-keyword">void</strong>)
{
uint32_t i = <span class="hl-number">0</span>;
<strong class="hl-keyword">for</strong> (i=<span class="hl-number">0</span>; i&lt;<strong class="hl-keyword">sizeof</strong>(aic_sysclk_config)/<strong class="hl-keyword">sizeof</strong>(<strong class="hl-keyword">struct</strong> aic_sysclk); i++) {
hal_clk_set_freq(aic_sysclk_config[i].clk_id, aic_sysclk_config[i].freq);
}
<em class="hl-comment">/* Enable sys clk */</em>
hal_clk_enable_deassertrst_iter(CLK_GPIO);
hal_clk_enable_deassertrst_iter(CLK_GTC);
}</pre></div></div>
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<li class="- topic/li li" data-ofbid="d74924e880__20250519091511">
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<div class="- topic/div div section" id="id__mdata">
<strong class="+ topic/ph hi-d/b ph b">MDATA 时钟</strong>
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<p class="- topic/p p" data-ofbid="d74924e887__20250519091511">MDATA 时钟 为 MAC 和 PHY 进行数据传输的时钟，对于百兆和千兆有不同的使用方式 </p><ul class="- topic/ul ul simple" id="id__ul_yd3_bkn_fdc" data-ofbid="id__ul_yd3_bkn_fdc">
<li class="- topic/li li" data-ofbid="d74924e891__20250519091511">
<p class="- topic/p p" data-ofbid="d74924e893__20250519091511">百兆网络：可以是 MAC 供给 PHY， 也可以是 PHY 供给 MAC</p>
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v1.2.1
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<li class="- topic/li li" data-ofbid="d74924e897__20250519091511">
<p class="- topic/p p" data-ofbid="d74924e899__20250519091511">千兆网络：只能是 MAC 供给 PHY，RGMII0-TXCK 端口</p>
v1.2.0
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</li>
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</ul><div class="- topic/p p" data-ofbid="d74924e903__20250519091511">代码中会根据 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons --menuconfig</span> 中的配置来决定 MAC
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使用的时钟来源是内部时钟还是外部时钟<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_zk2_lyn_fdc" data-ofbid="id__codeblock_zk2_lyn_fdc"><strong class="hl-keyword">static</strong> s32 syscfg_gmac_init(u32 ch)
{
#ifdef AIC_SYSCFG_DRV_V10
u32 cfg_reg = ch ? SYSCFG_GMAC1_CFG : SYSCFG_GMAC0_CFG;
#<strong class="hl-keyword">else</strong>
u32 cfg_reg = SYSCFG_GMAC0_CFG;
#endif
s32 cfg;
cfg = syscfg_readl(cfg_reg);
<strong class="hl-keyword">if</strong> (ch == <span class="hl-number">0</span>) {
#ifdef AIC_SYSCFG_DRV_V10
#ifdef AIC_DEV_GMAC0_RGMII
cfg |= SYSCFG_GMAC_PHY_RGMII_<span class="hl-number">1000</span>M;
#<strong class="hl-keyword">else</strong>
cfg &amp;= ~SYSCFG_GMAC_PHY_RGMII_<span class="hl-number">1000</span>M;
#endif
#endif
#ifdef AIC_DEV_GMAC0_PHY_EXTCLK
cfg |= SYSCFG_GMAC_RMII_EXTCLK_SEL;
#endif
#<strong class="hl-keyword">if</strong> AIC_DEV_GMAC0_TXDELAY
cfg |= (AIC_DEV_GMAC0_TXDELAY &lt;&lt; SYSCFG_GMAC_TXDLY_SEL_SHIFT);
#endif
#<strong class="hl-keyword">if</strong> AIC_DEV_GMAC0_RXDELAY
cfg |= (AIC_DEV_GMAC0_RXDELAY &lt;&lt; SYSCFG_GMAC_RXDLY_SEL_SHIFT);
#endif
} <strong class="hl-keyword">else</strong> <strong class="hl-keyword">if</strong> (ch == <span class="hl-number">1</span>) {
#ifdef AIC_SYSCFG_DRV_V10
#ifdef AIC_DEV_GMAC1_RGMII
cfg |= SYSCFG_GMAC_PHY_RGMII_<span class="hl-number">1000</span>M;
#<strong class="hl-keyword">else</strong>
cfg &amp;= ~SYSCFG_GMAC_PHY_RGMII_<span class="hl-number">1000</span>M;
#endif
#endif
#ifdef AIC_DEV_GMAC1_PHY_EXTCLK
cfg |= SYSCFG_GMAC_RMII_EXTCLK_SEL;
#endif
#<strong class="hl-keyword">if</strong> AIC_DEV_GMAC1_TXDELAY
cfg |= (AIC_DEV_GMAC1_TXDELAY &lt;&lt; SYSCFG_GMAC_TXDLY_SEL_SHIFT);
#endif
#<strong class="hl-keyword">if</strong> AIC_DEV_GMAC1_RXDELAY
cfg |= (AIC_DEV_GMAC1_RXDELAY &lt;&lt; SYSCFG_GMAC_RXDLY_SEL_SHIFT);
#endif
}
syscfg_writel(cfg, cfg_reg);
<strong class="hl-keyword">return</strong> <span class="hl-number">0</span>;
}</pre></div></div>
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</li>
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<li class="- topic/li li" data-ofbid="d74924e912__20250519091511">
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<div class="- topic/div div section" id="id__pinmux">
<strong class="+ topic/ph hi-d/b ph b">pinmux 配置</strong>
v1.2.1
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<div class="- topic/p p" data-ofbid="d74924e919__20250519091511">在 <span class="+ topic/ph sw-d/filepath ph filepath">target/soc name/board name/pinmux.c</span> 中设置 MAC 端口的
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pinmux，
需要根据开发板板的不同进行不同的设置<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_s2s_lyn_fdc" data-ofbid="id__codeblock_s2s_lyn_fdc">#ifdef AIC_USING_GMAC0
<em class="hl-comment">/* gmac0 */</em>
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.0"</span>},
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.1"</span>},
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.2"</span>},
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.3"</span>},
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.4"</span>},
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.5"</span>},
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.7"</span>},
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.8"</span>},
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.9"</span>},
<em class="hl-comment">/* phy0 reset GPIO */</em>
{<span class="hl-number">1</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.6"</span>},
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#endif</pre></div><div class="- topic/p p" data-ofbid="d74924e926__20250519091511">如果 PHY 工作时钟是由主控芯片的 CLK_OUT 提供，则还需要配置 CLK_OUT
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引脚的
pinmux：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_skh_myn_fdc" data-ofbid="id__codeblock_skh_myn_fdc">#ifdef AIC_USING_CLK_OUT0
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PD.21"</span>},
#endif
#ifdef AIC_USING_CLK_OUT1
{<span class="hl-number">5</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.11"</span>},
#endif
#ifdef AIC_USING_CLK_OUT2
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PE.10"</span>},
#endif
#ifdef AIC_USING_CLK_OUT3
{<span class="hl-number">6</span>, PIN_PULL_DIS, <span class="hl-number">3</span>, <span class="hl-string">"PF.10"</span>},
#endif</pre></div></div>
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